Alert archive / Alabama / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 2, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Feb 11, 2009, 11:04 AM CST for Lauderdale County, Alabama. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 11, 2009, 11:04 AM CST (17:04 UTC)
- Expired
- Feb 11, 2009, 11:30 AM CST
- In force
- 26 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
County Lauderdale County, AL
The radar
The Columbus AFB radar (KGWX), 128 km from the middle of the area, began a volume at 17:05 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 12:00Z, 5.1 hours before the alert went out and 167 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
- 722 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 510 m²/s²
- 0-3 km storm-relative helicity
- 444 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Feb 11, 9:35 AM CST, 1 hour 29 minutes earlier.
Area forecast discussion, Feb 11, 9:35 AM CST, 1 hour 29 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, Feb 11, 5:00 AM CST, 6 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 500 AM CST WED FEB 11 2009 ALZ001>010-016-TNZ076-096-097-111900- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 500 AM CST WED FEB 11 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT... STRONG SOUTHERLY WINDS WILL CONTINUE TODAY IN ADVANCE OF AN APPROACHING COLD FRONT. WINDS AROUND 20 MPH WITH GUSTS OVER 25 MPH WILL CONTINUE INCREASING THIS MORNING TO 25 TO 35 MPH WITH GUSTS OVER 40 MPH. IN HIGHER ELEVATIONS...SUSTAINED WINDS AROUND 40 MPH ARE ANTICIPATED AT LEAST FOR AN HOUR OR TWO...WITH GUSTS POTENTIALLY OVER 50 MPH. WINDS OF THESE STRENGTHS HAVE THE POTENTIAL TO CAUSE WIDESPREAD WIND DAMAGE...PARTICULARLY TO TREES. A SQUALL LINE OF THUNDERSTORMS WILL SWEEP ACROSS THE CENTRAL TENNESSEE VALLEY BETWEEN 9 AM AND 3 PM TODAY. AN ADDITIONAL THREAT OF DAMAGING WINDS WILL EXIST WITHIN THIS LINE...WITH WIND GUSTS OVER 70 MPH POSSIBLE IN THE STRONGEST STORMS. ISOLATED TORNADOES WILL ALSO BE POSSIBLE. GUSTY WINDS WILL CONTINUE AFTER THE SQUALL LINE PASSES. SOUTHWESTERLY WINDS OF 20 TO 30 MPH...WITH GUSTS TO 40 MPH...ARE POSSIBLE THROUGH LATE AFTERNOON...BEFORE WINDS RAPIDLY SUBSIDE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL WILL LIKELY BE REQUIRED LATE THIS MORNING AND EARLY THIS AFTERNOON. JE
In the hours before
Special weather statement, Feb 11, 10:05 AM CST, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1005 AM CST WED FEB 11 2009 ALZ001>003-111700- COLBERT-FRANKLIN-LAUDERDALE- 1005 AM CST WED FEB 11 2009 ...SIGNIFICANT WEATHER ALERT FOR COLBERT...FRANKLIN AND LAUDERDALE COUNTIES UNTIL 11 AM CST... AT 1005 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM PICKWICK DAM TO FULTON...MOVING EAST AT 35 MPH. WINDS UP TO 55 MPH AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE STORMS. * LOCATIONS IN OR NEAR THE PATH INCLUDE... WATERLOO...RIVERTON...AND RED BAY AROUND 1015 AM. OAKLAND...CHEROKEE...AND HODGES AROUND 1030 AM. FLORENCE...SHEFFIELD...TUSCUMBIA...AND RUSSELLVILLE BY 11 AM. A HIGH WIND WARNING ALSO REMAINS IN EFFECT FOR ALL OF NORTH ALABAMA UNTIL 6 PM CST...FOR STRONG WINDS EVEN OUTSIDE OF SHOWERS AND THUNDERSTORMS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. 27
Special weather statement, Feb 11, 10:51 AM CST, 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1051 AM CST WED FEB 11 2009 ALZ001>005-111800- COLBERT-FRANKLIN-LAUDERDALE-LAWRENCE-LIMESTONE- 1051 AM CST WED FEB 11 2009 ...SIGNIFICANT WEATHER ALERT FOR COLBERT...FRANKLIN...LAUDERDALE... LAWRENCE AND LIMESTONE COUNTIES UNTIL 1200 PM CST... AT 1051 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM ZIP CITY TO BELGREEN...MOVING EAST AT 45 MPH. WINDS UP TO 55 MPH AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE STORMS. * LOCATIONS IN OR NEAR THE PATH INCLUDE... GREEN HILL...THARPTOWN. WHITEOAK...LA GRANGE. LEXINGTON...NEWBURG. WHITEHEAD...RED BANK. LANDERSVILLE...HATTON. A HIGH WIND WARNING ALSO REMAINS IN EFFECT FOR ALL OF NORTH ALABAMA UNTIL 6 PM CST...FOR STRONG WINDS EVEN OUTSIDE OF SHOWERS AND THUNDERSTORMS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. CA/BCC
The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 3:06 AM CST | High Wind Warning | HUN | Colbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more | 15 hr |
| Feb 11, 11:10 AM CST | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lawrence | 35 min |
| Feb 11, 11:27 AM CST | Severe Thunderstorm Warning | HUN | Lauderdale, Lawrence, Limestone, Morgan | 48 min |
| Feb 11, 12:11 PM CST | Severe Thunderstorm Warning | HUN | Limestone, Madison, Morgan | 49 min |
| Feb 11, 12:54 PM CST | Severe Thunderstorm Warning | HUN | Jackson, Madison, Marshall, Morgan | 51 min |
| Feb 11, 2:00 PM CST | Severe Thunderstorm Warning | HUN | DeKalb | 30 min |
| Feb 11, 2:16 PM CST | Severe Thunderstorm Warning | HUN | DeKalb, Jackson | 29 min |
| Feb 11, 11:58 AM CST | Severe Thunderstorm Warning | HUN | Lincoln, Moore | 47 min |
| Feb 11, 12:41 PM CST | Severe Thunderstorm Warning | HUN | Franklin, Lincoln, Moore | 49 min |
| Feb 11, 1:29 PM CST | Severe Thunderstorm Warning | HUN | Franklin | 16 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2009Every severe thunderstorm 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.