BREAKING: Dam Failure Imminent due to Isaac Flooding | |
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alexisj9 User ID: 1376880 United Kingdom 08/30/2012 10:50 AM Report Abusive Post Report Copyright Violation | Tim Ballisty, weather.com: Quoting: Tard *Dam Failure Expected* Flash flood EMERGENCY for all low lying areas along the Tangipahoa River. This is near McComb, MS. wxch.nl/NYNTjV Severe flooding is expected! Expected almost sounds like a word indicating they want this to happen.... I don't think it's meant like that, I read it as they think it will happen but it may not. |
DoorBert (OP) User ID: 857877 United States 08/30/2012 10:51 AM Report Abusive Post Report Copyright Violation | TROPICAL STORM ISAAC DISCUSSION NUMBER 38 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 1000 AM CDT THU AUG 30 2012 CENTER FIXES USING SURFACE OBSERVATIONS AND NOAA DOPPLER WEATHER RADARS INDICATE THAT ISAAC IS MOVING NORTHWESTWARD AT 330/08 KT. THE FORECAST TACK AND REASONING REMAIN BASICALLY UNCHANGED FROM THE PREVIOUS ADVISORY. ISAAC AND ITS REMNANTS ARE EXPECTED TO BE STEERED NORTHWARD AROUND THE WESTERN PORTION OF A SUBTROPICAL RIDGE THAT IS LOCATED OVER THE SOUTHEASTERN U.S. THROUGH DAY 2...AND THEN TURN NORTHEASTWARD AND EASTWARD ON DAY 3-5 AS THE SYSTEM MOVES INTO WEAK MID-LATITUDE WESTERLY FLOW. THE OFFICIAL TRACK FORECAST IS VERY CLOSE TO THE PREVIOUS ONE...AND LIES CLOSE TO THE LATEST DYNAMICAL MODEL CONSENSUS. THE INITIAL INTENSITY HAS BEEN DECREASED TO 35 KT...AND THAT IS IN SMALL AREA OVER WATER BETWEEN SOUTHEASTERN LOUISIANA AND THE MISSISSIPPI COAST...AND PERHAPS EXTENDING A FEW MILES INLAND. ISAAC WILL CONTINUE TO WEAKEN OVER LAND AND IT IS LIKELY TO BECOME A TROPICAL DEPRESSION BY THIS EVENING...AND BECOME A POST-TROPICAL REMNANT LOW BY SATURDAY...IF NOT SOONER. THE OFFICIAL INTENSITY FORECAST IS SIMILAR TO THE PREVIOUS ONE...AND CLOSELY FOLLOWS THE DECAY-SHIPS STATISTICAL-DYNAMICAL INTENSITY MODEL. HEAVY RAINFALL AND A SIGNIFICANT FLOOD THREAT WILL CONTINUE TO SPREAD INLAND ACROSS PORTIONS OF THE CENTRAL UNITED STATES DURING THE NEXT SEVERAL DAYS. WATER LEVELS ALONG THE NORTHERN GULF COAST WILL REMAIN ELEVATED THROUGH AT LEAST THIS MORNING. THE THREAT FOR TORNADOES WITH THIS SYSTEM ALSO APPEARS TO BE INCREASING TODAY. FORECAST POSITIONS AND MAX WINDS INIT 30/1500Z 31.7N 92.1W 35 KT 40 MPH...INLAND 12H 31/0000Z 33.0N 92.8W 30 KT 35 MPH...INLAND 24H 31/1200Z 35.0N 93.3W 25 KT 30 MPH...INLAND 36H 01/0000Z 37.0N 93.3W 20 KT 25 MPH...INLAND 48H 01/1200Z 38.4N 92.3W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 02/1200Z 39.4N 89.2W 15 KT 15 MPH...POST-TROP/REMNT LOW 96H 03/1200Z 39.5N 86.0W 15 KT 15 MPH...POST-TROP/REMNT LOW 120H 04/1200Z 39.5N 83.0W 15 KT 15 MPH...POST-TROP/REMNT LOW $$ FORECASTER STEWART |
Anonymous Coward User ID: 22872114 Portugal 08/30/2012 10:51 AM Report Abusive Post Report Copyright Violation | RT @nwsneworleans: Looks like if the dam breaks, there would be about a 2-3 ft rise at Osyka. 1 h AccuWeather.com ‏@breakingweather Potential dam break at Percy Quinn Park on the Tangipahoa River (south of McComb, MS). #Isaac |
anabel User ID: 16007817 United States 08/30/2012 10:55 AM Report Abusive Post Report Copyright Violation | Tim Ballisty, weather.com: Quoting: Tard *Dam Failure Expected* Flash flood EMERGENCY for all low lying areas along the Tangipahoa River. This is near McComb, MS. wxch.nl/NYNTjV Severe flooding is expected! Expected almost sounds like a word indicating they want this to happen.... yah, there was no maybe about it was there?.... howdy |
David Fap User ID: 7279839 Canada 08/30/2012 10:56 AM Report Abusive Post Report Copyright Violation | I was just saying to my wife, watch this storm drop rain up the Mississippi valley. Causing flood concerns for days and it all ends up back near NOLA. Quoting: --Voltaic-- Only blessing is the lack of rain in the mid states will help absorb the initial rain fall. I have heard that if ground is too dry/hard, then the water runs right over it and doesn't soak in or get absorbed. |
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Mr Martin User ID: 22265977 Belgium 08/30/2012 10:59 AM Report Abusive Post Report Copyright Violation | Issued by The National Weather Service Quoting: DoorBert New Orleans/Baton Rouge, LA Thu, Aug 30, 2012, 8:26 AM CDT THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN PIKE COUNTY IN SOUTHERN MISSISSIPPI... * UNTIL 1115 AM CDT * AT 810 AM CDT... LOCAL EMERGENCY MANAGEMENT AND LAW ENFORCEMENT OFFICIALS REPORTED THE LAKE TANGIPAHOA DAM IS EXPECTED TO FAIL. SEVERE FLOODING IS EXPECTED DOWNSTREAM ALONG THE TANGIPAHOA RIVER FROM WEST OF THE MCCOMB AIRPORT AND MAGNOLIA TO OSYKA. WATER LEVEL RISES ARE EXPECTED TO BE NEAR 8 FEET BELOW THE DAM TO 6 FEET AT OSYKA. CURRENT RIVER STAGE READING AT OSYKA WAS 14.8 FEET. THIS IS A FLASH FLOOD EMERGENCY FOR ALL LOW LYING AREAS ALONG THE TANGIPAHOA RIVER INCLUDING OSYKA. My prayers go out to all of the people in the path of ISAAC “If you want to find the secrets of the universe, think in terms of energy, frequency, and vibration.” Resonance is the KEY! |
DoorBert (OP) User ID: 870568 United States 08/30/2012 11:10 AM Report Abusive Post Report Copyright Violation | The human side of Isaac. Residents in Slidell, LA flooded out of their homes talking with Jim Cantore [link to instagram.com] |
Anonymous Coward User ID: 22462724 United States 08/30/2012 11:13 AM Report Abusive Post Report Copyright Violation | I was just saying to my wife, watch this storm drop rain up the Mississippi valley. Causing flood concerns for days and it all ends up back near NOLA. Quoting: --Voltaic-- Only blessing is the lack of rain in the mid states will help absorb the initial rain fall. I have heard that if ground is too dry/hard, then the water runs right over it and doesn't soak in or get absorbed. Yes...true. i live in Arizona and that is precisely what happens. We always hope for a light, soaking rain before a hard monsoon so the ground can absorb more. But if not..the torrential rain just sends rivers right over the top in flash floods. In fact there have been reports from farmers in drought areas that the soil is so dry and cracked that a big downpour would only wash over the top and not soak in. Sad situation. The whole country is in a sad situation. I wish more people would just take time to get on their knees in earnest prayer....and have a heart to reach out and help the ones who need and can't help themselves. Could make more difference than anything. |
Anonymous Coward User ID: 287857 United States 08/30/2012 11:14 AM Report Abusive Post Report Copyright Violation | I was just saying to my wife, watch this storm drop rain up the Mississippi valley. Causing flood concerns for days and it all ends up back near NOLA. Quoting: --Voltaic-- Only blessing is the lack of rain in the mid states will help absorb the initial rain fall. My best friend lives near Lake Maurepas & hasn't had any water in his house until this morning at around 6AM when it started to creep under the door... I spoke with him about an hour & a half ago & they had 4 inches in the lower level and rising fast. Sending love and light to your friend Thanks. His little boy's bedroom ceiling upstairs just collapsed from an until-now-unknown leak... so they're trying to save everything they can & are moving asap. Godspeed to those in the midst of this :flowers: |
Tard User ID: 22534039 United States 08/30/2012 11:14 AM Report Abusive Post Report Copyright Violation | Haven't seen any updates about the dam. Hope they get the people out before it breaks. Last Edited by Tard on 08/30/2012 11:16 AM |
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Anonymous Coward User ID: 19852008 United States 08/30/2012 11:27 AM Report Abusive Post Report Copyright Violation | Tim Ballisty, weather.com: Quoting: Tard *Dam Failure Expected* Flash flood EMERGENCY for all low lying areas along the Tangipahoa River. This is near McComb, MS. wxch.nl/NYNTjV Severe flooding is expected! Expected almost sounds like a word indicating they want this to happen.... No I don't see it that way, just a statement of very high probability. |
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DoorBert (OP) User ID: 870568 United States 08/30/2012 11:31 AM Report Abusive Post Report Copyright Violation | |
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Tard User ID: 22534039 United States 08/30/2012 11:36 AM Report Abusive Post Report Copyright Violation | Real-time river gauge to monitor the Tangipahoa River situation, where dam failure is imminent. [link to water.weather.gov] |
alexisj9 User ID: 1376880 United Kingdom 08/30/2012 11:38 AM Report Abusive Post Report Copyright Violation | Tim Ballisty@IrishEagle Quoting: Tard MT @bmccarthyWWL: Mandatory evac for those along Tangipahoa River from Kentwood to Robert. Dam broke. Includes 50K-60K people. #Isaac WTF that many people and they thought it would happen but they don't order mandatory eavac till it's already broke, I hope people saw the initial warning and left already. |
momma coop User ID: 20442533 United States 08/30/2012 11:41 AM Report Abusive Post Report Copyright Violation | Just received word from my cousin in Mississippi. She installed a drainage system on her property and it is unable to keep up with the rain. Her yard is flooded and the water is getting close to coming in the house. (She is assuming it is from the relentless rain.) She is about 1/2 hour outside of Jackson (to the south) in an affluent neighborhood. I have been real sick so I haven't been able to keep up with what is going on with the storm. I hope it ends soon. The power is yours. Take it back. In a world where you can choose to be anything, choose to be kind. |
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Anonymous Coward User ID: 961432 United States 08/30/2012 11:44 AM Report Abusive Post Report Copyright Violation | I was just saying to my wife, watch this storm drop rain up the Mississippi valley. Causing flood concerns for days and it all ends up back near NOLA. Quoting: --Voltaic-- Only blessing is the lack of rain in the mid states will help absorb the initial rain fall. I have heard that if ground is too dry/hard, then the water runs right over it and doesn't soak in or get absorbed. There are a lot of variables in the runoff. Probably the three biggest are soil type, vegetation and ground cover. If the soil is clayey or silty then it isn't as "permeable" as say good topsoil where water will infiltrate quite easily. That is there are few open voids in the soil for water to seep into. Vegetation also affects runoff, as certain types of vegetation can retard surface water flow more highly than others. Finally, if you have a lot of rock outcrops water can just sheet flow over the ground surface. Of course these are technical details and as usual this web site has little tolerance for details or facts. |
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snark Forum Administrator User ID: 6788036 United States 08/30/2012 11:46 AM Report Abusive Post Report Copyright Violation | [link to www.ustream.tv] talking about the dam now T For Texas, T For Tennessee! The virtue of courage is a prerequisite for the practice of all other virtues, because otherwise one is virtuous only when virtue has no cost. There are times when something needs to be done, and yet we know that if we step up and do this needful thing, we will pay a heavy personal price. -C.S. Lewis |
Anonymous Coward User ID: 22881987 United States 08/30/2012 11:47 AM Report Abusive Post Report Copyright Violation | Mandatory evacs issued in LA. [link to www.nola.com] |
northerntomcat User ID: 13843244 Canada 08/30/2012 11:48 AM Report Abusive Post Report Copyright Violation | |