Alert archive / Alabama / Flash Flood Warnings in 2009
Flash Flood Warning 94, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Dec 8, 2009, 9:31 PM CST for 4 counties in Alabama; Lincoln County, Tennessee. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 8, 2009, 9:31 PM CST (03:31 UTC)
- Expired
- Dec 9, 2009, 12:30 AM CST
- In force
- 3 hr
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lawrence County, AL, Limestone County, AL, Madison County, AL, Morgan County, AL, Lincoln County, TN
The radar
The Northeast Alabama radar (KHTX), 74 km from the middle of the area, began a volume at 03:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 3.5 hours before the alert went out and 157 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 480 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 1192 m²/s²
- 0-3 km storm-relative helicity
- 1416 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Huntsville, AL wrote its last area forecast discussion before this flash flood warning went out at Dec 8, 9:10 PM CST, 21 minutes earlier.
Area forecast discussion, Dec 8, 9:10 PM CST, 21 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Dec 8, 6:45 PM CST, 2 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE HUNTSVILLE AL 645 PM CST TUE DEC 8 2009 ALZ001>010-016-TNZ076-096-097-091000- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 645 PM CST TUE DEC 8 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TONIGHT... STRONG TO SEVERE THUNDERSTORMS WILL IMPACT MUCH OF THE CENTRAL TENNESSEE VALLEY TONIGHT. ALONG WITH HEAVY RAIN...AN INCREASING THREAT FOR DAMAGING WINDS AND ISOLATED TORNADOES WILL OCCUR THROUGH MIDNIGHT. AREAS SOUTH OF THE TENNESSEE RIVER AND WEST OF I-65 WILL INITIALLY EXPERIENCE THE HIGHEST THREAT OF SEVERE WEATHER THIS EVENING. HOWEVER...THE SEVERE THREAT WILL SHIFT EAST LATER THIS EVENING AND INTO THE EARLY MORNING HOURS WEDNESDAY. TOTAL RAINFALL AMOUNTS OF 1 TO 3 INCHES WILL OCCUR...WITH LOCALLY HIGHER AMOUNTS EXPECTED AS HEAVY RAIN MOVES OVER THE SAME AREAS. THIS WILL ELEVATE THE FLASH FLOOD POTENTIAL. IN ADDITION TO THE THUNDERSTORM THREAT...SOUTHERLY WINDS 20 TO 35 MPH WITH GUSTS TO 40 MPH CAN BE EXPECTED. HIGHER GUSTS TO 50 MPH WILL BE POSSIBLE IN THE HIGHER TERRAIN. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... GUSTY WEST WINDS ARE EXPECTED TO CONTINUE WEDNESDAY...BEHIND THE PASSAGE OF THE COLD FRONT. GUSTS NEAR 40 MPH ARE POSSIBLE AT TIMES...ESPECIALLY IN THE HIGHER ELEVATIONS. WINDS ARE EXPECTED TO DIMINISH DURING THE LATE AFTERNOON HOURS WEDNESDAY. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL CAN BE EXPECTED TONIGHT. DJN
In the hours before
Special weather statement, Dec 8, 5:10 PM CST, 4 hours 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 510 PM CST TUE DEC 8 2009 ALZ009-TNZ097-082330- FRANKLIN-JACKSON- 510 PM CST TUE DEC 8 2009 ...SIGNIFICANT WEATHER ALERT FOR SOUTHEASTERN FRANKLIN COUNTY TENNESSEE AND NORTHERN JACKSON COUNTY ALABAMA UNTIL 530 PM CST... AT 508 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A LINE OF HEAVY SHOWERS CONTAINING GUSTY WINDS ALONG A LINE EXTENDING FROM FRANCISCO TO SCOTTSBORO...MOVING NORTHEAST AT 70 MPH. WINDS UP TO 50 MPH AND HEAVY DOWNPOURS ARE EXPECTED. * LOCATIONS IN OR NEAR THE PATH INCLUDE... MARTINTOWN...FACKLER. COWAN...SHERWOOD. ALTO...ST. ANDREWS. LONG ISLAND. THE GUSTY WINDS WILL BE CAPABLE OF KNOCKING DOWN SMALL TREES...TREE LIMBS...AND POWERLINES. SEEK SAFE SHELTER UNTIL THE STORM HAS PASSED. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. JE
Special weather statement, Dec 8, 7:26 PM CST, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 726 PM CST TUE DEC 8 2009 ALZ004>007-090230- LAWRENCE-LIMESTONE-MADISON-MORGAN- 726 PM CST TUE DEC 8 2009 ...SIGNIFICANT WEATHER ALERT FOR LIMESTONE...MADISON...MORGAN...AND EXTREME EASTERN LAWRENCE COUNTIES UNTIL 830 PM CST... AT 726 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED HEAVY RAINFALL CONTINUING TO MOVE ACROSS THE DECATUR...ATHENS...AND HUNTSVILLE AREAS. RAINFALL UP TO ONE INCH PER HOUR IS POSSIBLE. SOME FLOODING OF LOW-LYING...POOR DRAINAGE...AND URBAN AREAS IS POSSIBLE. AS THE RAIN CONTINUES THROUGH THE EVENING...FLASH FLOODING OR SMALL STREAM FLOODING MAY OCCUR. INTERESTS IN THESE AREAS SHOULD BE ALERT TO WATER OVER ROADWAYS...AND KEEP AN EYE FOR POSSIBLE FUTURE FLASH FLOOD WARNINGS. * LOCATIONS AFFECTED INCLUDE... MOORESVILLE...VALHERMOSO SPRINGS. TRIANA...MADISON. REDSTONE ARSENAL...HUNTSVILLE. HADEN...DECATUR. BROWNSBORO...MAYSVILLE. ATHENS...CAPSHAW. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. JE
Local storm report, Dec 8, 8:47 PM CST, 44 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Dec 8, 9:14 PM CST, 17 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Dec 8, 9:31 PM CST, 0 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 8, 6:46 PM CST | Flash Flood Warning | HUN | Franklin, Lawrence | 6 hr |
| Dec 8, 7:27 PM CST | River Flood Warning | HUN | Lawrence | 14 hr |
| Dec 8, 8:23 PM CST | Flash Flood Warning | HUN | Cullman, Lawrence, Limestone, Madison, Morgan | 4 hr |
| Dec 8, 8:41 PM CST | Areal Flood Warning | HUN | Madison | 6 hr |
| Dec 8, 10:25 PM CST | Flash Flood Warning | HUN | Jackson, Madison | 2 hr |
| Dec 8, 10:51 PM CST | Severe Thunderstorm Warning | HUN | Jackson, Marshall | 24 min |
| Dec 8, 11:19 PM CST | Flash Flood Warning | HUN | Jackson | 86 min |
| Dec 8, 11:30 PM CST | Flash Flood Warning | HUN | Cullman | 60 min |
| Dec 9, 12:17 AM CST | Areal Flood Warning | HUN | Franklin, Lauderdale, Lawrence, Limestone | 3 hr |
| Dec 9, 12:21 AM CST | Areal Flood Warning | HUN | Limestone | 3 hr |
| Dec 9, 12:28 AM CST | Flash Flood Warning | HUN | Cullman, DeKalb, Jackson, Madison, Marshall, Morgan | 2 hr |
| Dec 9, 12:46 AM CST | River Flood Warning | HUN | Madison | 33 hr |
| Dec 9, 12:50 AM CST | River Flood Warning | HUN | Jackson, Madison, Marshall | 66 hr |
| Dec 9, 1:56 AM CST | Areal Flood Warning | HUN | DeKalb | 3 hr |
| Dec 9, 2:54 AM CST | Areal Flood Warning | HUN | Cullman, DeKalb, Jackson, Limestone, Madison, Marshall and 1 more | 3 hr |
| Dec 9, 6:26 AM CST | Areal Flood Warning | HUN | Cullman, DeKalb, Jackson, Limestone, Madison, Marshall and 1 more | 6 hr |
| Dec 9, 12:16 PM CST | Areal Flood Warning | HUN | Cullman, DeKalb, Jackson, Limestone, Madison, Marshall and 1 more | 8 hr |
| Dec 9, 12:54 PM CST | River Flood Warning | HUN | Madison | 7 hr |
| Dec 9, 5:07 PM CST | River Flood Warning | HUN | Lawrence | 36 hr |
| Dec 9, 12:40 AM CST | River Flood Warning | HUN | Franklin, Lincoln | 16 hr |
Nearby
Flash Flood Warnings in Alabama, 2009Flash Flood Warnings in Tennessee, 2009Every flash flood warning in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.