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Hurricane Isaac Storm Reports


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URGENT - IMMEDIATE BROADCAST REQUESTED

CIVIL EMERGENCY MESSAGE

LOUISIANA EMERGENCY MANAGEMENT AGENCY NEW ORLEANS LOUISIANA

RELAYED BY NATIONAL WEATHER SERVICE NEW ORLEANS LA

1108 AM CDT THU AUG 30 2012

THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE

MISSISSIPPI EMERGENCY MANAGEMENT AGENCY.

A MANDATORY EVACUATION HAS BEEN ORDERED FOR ALL LOW LYING AREAS

AND ALONG THE TANGIPAHOA RIVER DUE TO THE POTENTIAL FAILURE OF THE

LAKE TANGIPAHOA DAM...ALSO KNOWN AS THE PERCY QUIN DAM...IN

SOUTHERN MISSISSIPPI. AGAIN...A MANDATORY EVACUATION HAS BEEN

ORDERED FOR ALL LOW LYING AREAS AND ALONG THE TANGIPAHOA RIVER DUE

TO THE POTENTIAL FAILURE OF THE LAKE TANGIPAHOA DAM...ALSO KNOWN

AS THE PERCY QUIN DAM...IN SOUTHERN MISSISSIPPI.

DUE TO THE DAM FAILURE...WATER LEVELS ON THE TANGIPAHOA RIVER NEAR

CHATAWA AND OSYKA WILL RISE QUICKLY. NEAR OSYKA...THE RIVER WILL

RISE TO NEAR 21.5 FEET. THIS WILL BREAK THE RECORD PREVIOUSLY SET

IN 1997. AT 21 FEET...THE RIVER WILL THREATEN THE ROADWAY APPROACH

TO HIGHWAY 584 AND WILL INUNDATE THE SURROUNDING AREAS. IF YOU

LIVE IN THESE AREAS...LEAVE IMMEDIATELY FOR HIGHER GROUND.

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One of the highest rainfall totals I have seen. Rainbands are still moving over this area also. Note the 20" report earlier from N.O. was determined to be incorrect.

1015 AM FLOOD 5 WNW WILMER 30.85N 88.44W

08/30/2012 GEORGE MS PUBLIC

PUBLIC REPORT OF 17 5/8 INCHES OF RAIN SINCE

08/27/12...9.5 INCHES OF RAIN FROM 10 PM 8/29/2012 TO

10AM 08/30/2012. LOCATED ON ESCATAWPA RIVER AT AL/MS

STATE LINE ON HIGHWAY 98. RIVER GAUGE CAMPGROUND AT 17.57

FEET.

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If I understand them correctly ( on WWL) they aren't going to wait for the dam to fail completely, they are going to purposefully breech it to release pressure. Had a reporter on recently that there is a town (or towns) along the river which is already fairly flooded already..sounds like a very serious situation.

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impressive flooding on the biloxi river

Biloxi river near wortham

latest 26.35 ft new #2

Historical Crests

(1) 28.94 ft on 05/09/1995

(2) 25.61 ft on 08/30/2005

(3) 25.43 ft on 09/29/1998

(4) 25.30 ft on 04/08/1983

(5) 24.99 ft on 09/26/2002

Biloxi river near lyman

latest 18.00 ft new #3

Historical Crests

(1) 20.95 ft on 05/10/1995

(2) 18.50 ft on 09/01/1957

(3) 17.50 ft on 09/27/2002

(4) 16.78 ft on 09/24/1985

(5) 16.75 ft on 04/14/1980

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My company's field near the Mississippi in St. Charles Parish. The office seen was completely flooded in Katrina, they now have two "elder buildings" (like shipping containers, often used as temporary berthing facilities on offshore platforms when a drilling rig is aboard) stacked as an office, with all the stuff susceptible to water damage in the upper building. Doesn't look all that bad. Field is shut in for now.

post-138-0-26683600-1346349484_thumb.jpg

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We didn't reset the storm total rainfall. The radar went down. If it's out for too long...the storm total resets.

First, fantastic job under extreme stress! Next, best screen name on the board. Love your impact graphics, to bad some, including those in charge, did not take heed. Great job, hope all is well with you personally.

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First, fantastic job under extreme stress! Next, best screen name on the board. Love your impact graphics, to bad some, including those in charge, did not take heed. Great job, hope all is well with you personally.

Our staff appreciates the comments. We've had quite a few of us put in 40 or more hours on duty since Tuesday am. I will be glad to get out of here and sleep in my own bed.

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First, fantastic job under extreme stress! Next, best screen name on the board. Love your impact graphics, to bad some, including those in charge, did not take heed. Great job, hope all is well with you personally.

I second that. That broke down the impacts regionally, which to me...really broke it down nicely. NWS sites are widely viewed and something like that can be easily communicated by on air mets.

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I have a question for the NWS team that worked during this event: did you actually get to go home after your shift or did you stay at the NWS office? I would be concerned with travel during the storm, or distractions due to families having to ride out the storm.

Mods feel free to put this in the correct topic.

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I have a question for the NWS team that worked during this event: did you actually get to go home after your shift or did you stay at the NWS office? I would be concerned with travel during the storm, or distractions due to families having to ride out the storm.

Mods feel free to put this in the correct topic.

Some went home, some stayed here at the office. Personal decisions made by each employee.

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