989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb | |
Dr. Acula![]() Forum Moderator User ID: 78748 01/29/2013 10:31 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Didn't the great derecho from last year look something similar to this, horizontal band of t-storms? Quoting: Luisport yeah it did what's the difference? This one is more akin to the march 2nd 2012 tornado outbreak in kentucky... that pulled tropical and arctic air together right above my head. I'll try to get some screen shots I am a HelpTard, need Help? Ask me! Peace Means Reloading Your Guns! Some of my custom graphics are featured in the Official GLP Store: [link to www.cafepress.com] |
| Luisport (OP) User ID: 33259444 01/29/2013 10:37 AM ![]() Report Abusive Post Report Copyright Violation | |
Dr. Acula![]() Forum Moderator User ID: 78748 01/29/2013 10:44 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Didn't the great derecho from last year look something similar to this, horizontal band of t-storms? Quoting: Luisport yeah it did what's the difference? This one is more akin to the march 2nd 2012 tornado outbreak in kentucky... that pulled tropical and arctic air together right above my head. I'll try to get some screen shots alright the screen shots I can get are useless lol the great derecho storm started out as a thunderstrom cell and it had a lot of energy to feed on... But this one has a lot more... pulling moisture and energy from the pacific ocean... yes tomorrow it will be over Kentucky... and at the same time over the pacific too... it ill also be pulling cold down from Canada... Nothing about this storm makes me happy... Its not even raining here yet... and i want to run to the shelter... im hope this storm doesnt go the extra mile... but its liable to turn very tornadic BUT my local weather dude who is pretty awesome and actually loves getting on TV to scream at us to run run run run when there is an actual threat just said this on facebook about the storm for my location in Kentucky.... US... this is for Kentucky... not ur state OK...everybody take a breath...first off today is going to be a GREAT day...it's going to be warm and windy...enjoy this January treat. Second...yes there is a possibility of strong/severe storms late tonight and Wednesday morning. Damaging wind gusts will be the primary threat and it does look like a squall line situation where multiple counties could be warned at once...it covers a big area. There is no reason to panic...no reason to alter your day's plans (or even your evening ones). We'll be tracking the storms through the night and if situations warrant advise the folks in the greatest danger on how to protect themselves...but only if needed. The vast majority of folks will just have gusty thunderstorms to contend with. The only thing you need to worry about right now is just take a second to think where your safe spot is...just in case. Do it now while the weather is calm. We'll update more later, but until then, enjoy the warmth." Quoting: Bill MeckLast Edited by Dr. Acula on 01/29/2013 10:47 AM I am a HelpTard, need Help? Ask me! Peace Means Reloading Your Guns! Some of my custom graphics are featured in the Official GLP Store: [link to www.cafepress.com] |
| Luisport (OP) User ID: 33259444 01/29/2013 10:45 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb AccuWeather.com‏@breakingweather Snow from Kansas City to Marquette will water the Mississippi. [link to ow.ly] |
| Luisport (OP) User ID: 33259444 01/29/2013 10:46 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Strong storms going through OKC right now. [link to radar.weather.gov] |
| Luisport (OP) User ID: 33259444 01/29/2013 10:53 AM ![]() Report Abusive Post Report Copyright Violation | |
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| Anonymous Coward User ID: 18677079 01/29/2013 10:56 AM Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb This is concerning, and I think it may even be a surprise to the mets calling it. Forecast highs in Southern WI were 45-50 today, and it is currently 52, with more warming on the way. The warm air is pulling much further north than initially forecast, which means possibly even more instability. Just giving a firsthand account on the northern end of the system. |
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| Luisport (OP) User ID: 33259444 01/29/2013 11:16 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb According to TWC for today: Tuesday, Jan. 29 Severe thunderstorms, possibly in a squall line, in north-central and east TX, east half OK, extreme southeast KS, south and central MO, central and south IL, AR, west and north LA, west KY, west TN, northwest MS. AL north night - 4 AL west-central, southwest night - 3 to 4 AR central, east - 4 AR west - 3 FL west panhandle night - 3 IL central, south - 3 KS southeast - 3 KY west - 3 KY central night - 3 LA north - 4 LA west-central, southwest - 3 LA night - 3 to 4 MO central, south - 3 MS northwest - 4 MS night - 4 OK central, east - 3 TN west, middle night - 4 TX central, east - 3 other areas - 1 or less |
| DoorBert User ID: 870568 01/29/2013 11:16 AM ![]() Report Abusive Post Report Copyright Violation | |
| Luisport (OP) User ID: 33259444 01/29/2013 11:17 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb MESOSCALE DISCUSSION 0068 NWS STORM PREDICTION CENTER NORMAN OK 0946 AM CST TUE JAN 29 2013 AREAS AFFECTED...NERN TX...SERN OK...WRN AR CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY VALID 291546Z - 291745Z PROBABILITY OF WATCH ISSUANCE...95 PERCENT SUMMARY...STORMS SHOULD CONTINUE TO INCREASE IN COVERAGE ACROSS NERN TX...SERN OK...AND WRN AR...WITH A THREAT OF TORNADOES AND DAMAGING WINDS. DISCUSSION...A MOIST AIR MASS IS IN PLACE ACROSS THE REGION WITH DEWPOINTS RISING INTO THE MID 60S F. ALTHOUGH HEATING WILL REMAIN LIMITED...FORCING FOR ASCENT WILL BE ON THE INCREASE THROUGH THE DAY. ASIDE FROM THE COLD FRONT WHICH CURRENTLY EXTENDS FROM OKC TO SPS...CONFLUENCE FLOW WITHIN THE MOIST AXIS AND BENEATH A 65 KT LOW LEVEL JET SHOULD RESULT IN ADDITIONAL CONVECTION ACROSS THE WARM SECTOR. WIND PROFILES ARE VERY STRONG WITH VWP AND PROFILER DATA INDICATING 0-1 SRH IN EXCESS OF 400 M2/S2. FURTHER....THE 12Z FWD SOUNDING SHOWED STEEP MIDLEVEL LAPSE RATES IN PLACE. WHILE INITIAL ATTEMPTS AT NEW STORMS MAY BE SLOW DUE TO MARGINAL CAPPING...SUPERCELLS ARE EXPECTED TO MATERIALIZE ONCE DEEP CONVECTION IS REALIZED AND TORNADOES AS WELL AS DAMAGING WINDS WITH BOWS ARE LIKELY. ..JEWELL/THOMPSON.. 01/29/2013 ATTN...WFO...LZK...SHV...TSA...FWD...OUN... LAT...LON 35439671 35749581 35909504 35919444 35809351 35539323 35219324 34329331 33569361 33069405 32869529 33159721 33719771 34279775 34679745 35019723 35439671 |
| Luisport (OP) User ID: 33259444 01/29/2013 11:17 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb ATCH COUNTY NOTIFICATION FOR WATCH 6...UPDATED NATIONAL WEATHER SERVICE SPRINGFIELD MO 932 AM CST TUE JAN 29 2013 KSC011-021-037-MOC009-011-015-029-039-043-057-059 -077-085-097-105- 109-119-131-141-145-167-185-209-217-225-292000- /O.CON.KSGF.TO.A.0006.000000T0000Z-130129T2100Z/ TORNADO WATCH 6 REMAINS VALID UNTIL 3 PM CST THIS AFTERNOON FOR THE FOLLOWING AREAS IN KANSAS THIS WATCH INCLUDES 3 COUNTIES IN SOUTHEAST KANSAS BOURBON CHEROKEE CRAWFORD IN MISSOURI THIS WATCH INCLUDES 22 COUNTIES IN CENTRAL MISSOURI BENTON CAMDEN HICKORY MILLER MORGAN ST. CLAIR IN SOUTHWEST MISSOURI BARRY BARTON CEDAR CHRISTIAN DADE DALLAS GREENE JASPER LACLEDE LAWRENCE MCDONALD NEWTON POLK STONE VERNON WEBSTER THIS INCLUDES THE CITIES OF...ANDERSON...APPLETON CITY...AURORA... BAXTER SPRINGS...BOLIVAR...BUFFALO...CAMDENTON...CARTHAGE ... CASSVILLE...COLE CAMP...COLUMBUS...EL DORADO SPRINGS...ELDON... FORT SCOTT...GALENA...GREENFIELD...HERMITAGE...JOPLIN.. . KIMBERLING CITY...LAKE OZARK...LAMAR...LEBANON...MARSHFIELD... MONETT...MOUNT VERNON...NEOSHO...NEVADA...NIXA...OSAGE BEACH... OSCEOLA...OZARK...PINEVILLE...PITTSBURG...REPUBLI C... ROGERSVILLE...SPRINGFIELD...STOCKTON...VERSAILLES AND WARSAW. $$ |
| Luisport (OP) User ID: 33259444 01/29/2013 11:17 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb AREAS AFFECTED...NERN TX...SERN OK...WRN AR CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY VALID 291546Z - 291745Z PROBABILITY OF WATCH ISSUANCE...95 PERCENT SUMMARY...STORMS SHOULD CONTINUE TO INCREASE IN COVERAGE ACROSS NERN TX...SERN OK...AND WRN AR...WITH A THREAT OF TORNADOES AND DAMAGING WINDS. DISCUSSION...A MOIST AIR MASS IS IN PLACE ACROSS THE REGION WITH DEWPOINTS RISING INTO THE MID 60S F. ALTHOUGH HEATING WILL REMAIN LIMITED...FORCING FOR ASCENT WILL BE ON THE INCREASE THROUGH THE DAY. ASIDE FROM THE COLD FRONT WHICH CURRENTLY EXTENDS FROM OKC TO SPS...CONFLUENCE FLOW WITHIN THE MOIST AXIS AND BENEATH A 65 KT LOW LEVEL JET SHOULD RESULT IN ADDITIONAL CONVECTION ACROSS THE WARM SECTOR. WIND PROFILES ARE VERY STRONG WITH VWP AND PROFILER DATA INDICATING 0-1 SRH IN EXCESS OF 400 M2/S2. FURTHER....THE 12Z FWD SOUNDING SHOWED STEEP MIDLEVEL LAPSE RATES IN PLACE. WHILE INITIAL ATTEMPTS AT NEW STORMS MAY BE SLOW DUE TO MARGINAL CAPPING...SUPERCELLS ARE EXPECTED TO MATERIALIZE ONCE DEEP CONVECTION IS REALIZED AND TORNADOES AS WELL AS DAMAGING WINDS WITH BOWS ARE LIKELY. ..JEWELL/THOMPSON.. 01/29/2013 |
| Luisport (OP) User ID: 33259444 01/29/2013 11:18 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 1005 AM CST TUE JAN 29 2013 KSC037-291615- /O.CON.KSGF.SV.W.0001.000000T0000Z-130129T1615Z/ CRAWFORD KS- 1005 AM CST TUE JAN 29 2013 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN CRAWFORD COUNTY UNTIL 1015 AM CST... AT 1000 AM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR GIRARD...AND MOVING NORTHEAST AT 55 MPH. HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. SOURCE...RADAR INDICATED. IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN. IN ADDITION...A 50 MPH WIND GUST WAS REPORTED IN MCCUNE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... ARMA...BEULAH...CHICOPEE...CROWEBURG...ENGLEVALE. ..FARLINGTON... FRANKLIN...FRONTENAC...GIRARD...LONE OAK...MULBERRY...PITTSBURG... POLK...RINGO AND YALE. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST TUESDAY AFTERNOON FOR SOUTHEAST KANSAS AND SOUTHWESTERN MISSOURI. LAT...LON 3767 9477 3767 9466 3767 9462 3766 9462 3737 9462 3734 9492 3753 9493 3767 9481 3767 9478 TIME...MOT...LOC 1604Z 237DEG 47KT 3747 9479 HAIL...0.75IN WIND...60 MPH $$ KARDELL |
| Luisport (OP) User ID: 33259444 01/29/2013 11:21 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Ryan Maue‏@RyanMaue WRF 4km simulated radar: [link to models.weatherbell.com] …piece of energy moves up front Wed morning thru SE into MidATL, final severe wx threat |
| Luisport (OP) User ID: 33259444 01/29/2013 11:22 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Ryan Maue‏@RyanMaue 1.33 km WRF seems to produce micro feature with rotation in SW Arkansas, supercell b4 linearizing. [link to models.weatherbell.com] … |
| Luisport (OP) User ID: 33259444 01/29/2013 11:22 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Ryan Maue‏@RyanMaue 00z WRF 5km ARW [link to models.weatherbell.com] … & NMM [link to models.weatherbell.com] … 48-hour animations of storm simulated radar. |
| Luisport (OP) User ID: 33259444 01/29/2013 11:23 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Ryan Maue‏@RyanMaue Temperatures ahead of cold front 40°F above normal vs. 40°F below normal behind front. [link to twitter.com] |
| DoorBert User ID: 857877 01/29/2013 11:24 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb A tornado watch will likely be issued soon for parts of NE Texas. Discrete supercells will form ahead of the cold front and main line of storms in Central Oklahoma. These storms will bring a high threat for tornadoes. [link to www.facebook.com] |
| Luisport (OP) User ID: 33259444 01/29/2013 11:24 AM ![]() Report Abusive Post Report Copyright Violation | |
| Luisport (OP) User ID: 33259444 01/29/2013 11:25 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Kory Hartman‏@koryhartman Over a foot of snow reported in Marshall County, SD (Hillhead) as of 9:54 am. #sdwx 35 minSevereStudios‏@severestudios New Tornado Watch likely soon for NERN TX...SERN OK...WRN AR [link to 1.usa.gov] |
| Luisport (OP) User ID: 33259444 01/29/2013 11:26 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb New update: Tue Jan 29 Severe thunderstorms, many in a cold front squall line but some in advance, in north-central and east TX, south-central and east OK, extreme southeast KS, south, central, and northeast MO, south, central, and northeast IL, west-central and north IN, AR, northwest LA. TORCON - 6 northeast TX, northwest LA, central and east AR; 3 to 4 for the rest of the above area. Numerous damaging wind gusts. Tuesday night Severe thunderstorms in east-central and south IL, IN, west and central OH, KY, TN, north and west AL, MS, LA, extreme east TX, southwest, central, and east AR, southeast MO. TORCON - 6 north LA, central and east AR, west TN; 5 southeast MO, west and central KY, middle TN, central MS, north AL; 3 to 4 other areas above. Numerous damaging wind gusts. Wed Jan 30 Severe thunderstorms in south and east OH, south PA, MD, DE, south NJ, DC, WV, VA, NC, SC, GA, FL panhandle, AL, east half KY, east half TN, east-central and south AL, southeast LA. TORCON - 5 AL, east TN, east KY; 4 to 5 north GA; 3 to 4 rest of above area. Damaging non-thunderstorm gusts may extend across east PA, NJ, south NY. Jeff Masters |
| Anonymous Coward User ID: 18677079 01/29/2013 11:26 AM Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Kory Hartman‏@koryhartman Quoting: Luisport Over a foot of snow reported in Marshall County, SD (Hillhead) as of 9:54 am. #sdwx 35 minSevereStudios‏@severestudios New Tornado Watch likely soon for NERN TX...SERN OK...WRN AR [link to 1.usa.gov] Any idea how much they were forecast to get? Curious if it is more than initially thought? |
Dr. Acula![]() Forum Moderator User ID: 6860 01/29/2013 11:26 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb Kansas City area is under a tornado watch and then a winter weather advisory for tonight. Quoting: Anonymous Coward 25620085 I've mentioned this a bunch... so anyone who remembers my posts will be like "he's a fucking broken record" lol but Friday March 2nd 2012 Tornados devastated Eastern, Kentucky The Tornado that hit the town of Salyersville about got me before it hit that town... it was a miracle from God that it turned at the last minute and spared us. Sunday March 4th shortly after midnight it started snowing... we got 6 inches of snow... So yeah it is a but it has happened... and can happen It was a nice day on that thursday and friday... much like it is now... warm and beautiful... but turned bitter cold... a lot of people here lost their homes and a lot of people lost power in the Tornados... Then the freezing cold come in to add "insult to injury" I kept power during the tornados... we were one of the few... but the snow got our power... and we were out several days... I am a HelpTard, need Help? Ask me! Peace Means Reloading Your Guns! Some of my custom graphics are featured in the Official GLP Store: [link to www.cafepress.com] |
| DoorBert User ID: 870568 01/29/2013 11:30 AM ![]() Report Abusive Post Report Copyright Violation | |
| Luisport (OP) User ID: 33259444 01/29/2013 11:33 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb SevereStudios‏@severestudios MAP: Here is the new MODERATE RISK area (greatest threat for severe weather in red) [link to twitpic.com] Last Edited by Luisport on 01/29/2013 11:34 AM |
| Anonymous Coward User ID: 18677079 01/29/2013 11:35 AM Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb SevereStudios‏@severestudios Quoting: Luisport MAP: Here is the new MODERATE RISK area (greatest threat for severe weather in red) [link to twitpic.com] Extended further north.....not surprising. I think at least one more adjustment will be made to that moderate risk zone before everything starts to tear loose. |
| Luisport (OP) User ID: 33259444 01/29/2013 11:35 AM ![]() Report Abusive Post Report Copyright Violation | Re: 989 mb Explosively Developing Low over Chicago early Wed!!! TWO DEATHS CONFIRMED!!!! Compared with cleveland superbomb SPC AC 291620 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 1020 AM CST TUE JAN 29 2013 VALID 291630Z - 301200Z ...THERE IS A MDT RISK OF SVR TSTMS FROM THE ARKLATEX TO THE LOWER OH VALLEY... ...THERE IS A SLGT RISK OF SVR TSTMS SURROUNDING THE MDT RISK...FROM ERN TX/OK TO THE LOWER MS VALLEY AND OH VALLEY... ...ERN OK/TX TO THE MS AND OH VALLEYS THROUGH TONIGHT... A LARGE-SCALE MID-UPPER TROUGH OVER THE HIGH PLAINS WILL PROGRESS EWD OVER THE LOWER PLAINS TO THE MS VALLEY BY EARLY WEDNESDAY. WITHIN THE LARGE TROUGH...A PRIMARY SHORTWAVE TROUGH OVER THE SRN HIGH PLAINS...WITH AN ASSOCIATED 100 KT MIDLEVEL JET...WILL EJECT ENEWD TOWARD ERN OK/NW AR/MO OVERNIGHT. LIKEWISE...AN ASSOCIATED SURFACE CYCLONE NOW IN N CENTRAL OK WILL DEEPEN AND MOVE NEWD ACROSS MO/IL TO LOWER MI...ALONG A PRE-EXISTING BAROCLINIC ZONE. MEANWHILE...A BROAD MOIST SECTOR IS ALREADY ESTABLISHED FROM ERN TX/OK TO THE LOWER AND MID MS VALLEY REGION...WHERE BOUNDARY LAYER DEWPOINTS RANGE FROM THE UPPER 60S ALONG THE NW GULF COAST...TO 56-60 F FARTHER N INTO MO/IL. ADDITIONAL EWD EXPANSION OF THE MOIST SECTOR IS LIKELY THROUGH TONIGHT ACROSS THE MS/TN AND LOWER OH VALLEY REGION...IN RESPONSE TO THE DEEPEN CYCLONE AND A STRENGTHENING SLY LLJ. WIDESPREAD CONVECTION IS ONGOING ALONG AND JUST AHEAD OF THE SURFACE COLD FRONT FROM CENTRAL OK TO NRN MO. THOUGH EXTENSIVE CLOUDS ARE PRESENT THROUGH MUCH OF THE WARM SECTOR...CONTINUED MOISTURE ADVECTION FROM THE S AND MODEST SURFACE HEATING IN CLOUD BREAKS WILL BOOST MLCAPE VALUES TO THE 1000-2000 J/KG RANGE ACROSS E TX AND SE OK THIS AFTERNOON...WITH LESSER BUOYANCY FARTHER TO THE E AND NE. THERE ARE ALREADY INDICATIONS THAT ADDITIONAL PRE-FRONTAL CONVECTION WILL DEVELOP FROM NE TX INTO SE OK/WRN AR AND EVENTUALLY SRN MO THIS AFTERNOON ALONG THE MOIST AXIS. VERTICAL SHEAR PROFILES WILL BE FAVORABLE FOR SUPERCELLS WITH AN ATTENDANT RISK FOR TORNADOES AND DAMAGING WINDS ACROSS THIS CORRIDOR. FARTHER N...CONVECTION WILL GRADUALLY EVOLVE INTO A WELL-DEVELOPED QLCS WITH AN INCREASING RISK FOR DAMAGING WINDS LATER THIS AFTERNOON INTO EARLY TONIGHT...WITH A RISK OF EMBEDDED MESOVORTICES AND TORNADOES. THE GREATEST SEVERE RISK IS EXPECTED THIS EVENING THROUGH TONIGHT...BEGINNING AS THE PRE-FRONTAL CONVECTION NEAR AND NW OF THE ARKLATEX...AND CONTINUING OVERNIGHT AS ADDITIONAL PRE-FRONTAL CONVECTION FORMS WITHIN ONE OR MORE WARM SECTOR CONFLUENCE BANDS NEAR THE MS RIVER. VERTICAL SHEAR WILL BE EXTREMELY STRONG WITHIN A MOIST ENVIRONMENT WITH AT LEAST WEAK SURFACE-BASED INSTABILITY. THOUGH MLCAPE MAY ONLY REACH 500-750 J/KG...EFFECTIVE SRH OF 500-700 M2/S2 IN ASSOCIATION WITH A 70-80 KT LLJ WILL SUPPORT THE POTENTIAL FOR A FEW STRONG TORNADOES WITH FAST-MOVING PRE-FRONTAL SUPERCELLS...AS WELL AS CIRCULATIONS EMBEDDED WITHIN WHAT WILL BECOME A WELL-FORMED SQUALL LINE. WIDESPREAD AND SIGNIFICANT DAMAGING WINDS WILL ALSO BE POSSIBLE AS FAR NE AS THE LOWER OH VALLEY...WHERE 80+ KT FLOW JUST ABOVE THE SURFACE WILL COINCIDE WITH AT LEAST WEAK SURFACE-BASED BUOYANCY THROUGH MOST OF THE NIGHT. ..THOMPSON/COHEN.. 01/29/2013 CLICK TO GET WUUS01 PTSDY1 PRODUCT NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z CURRENT UTC TIME: 1627Z (10:27AM), RELOAD THIS PAGE TO UPDATE THE TIME |