Alert archive / Alabama / Flash Flood Warnings in 2010
Flash Flood Warning 35, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at Jun 25, 2010, 4:44 PM CDT for Colbert County, Alabama. It was in force for 2 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
- Jun 25, 2010, 4:44 PM CDT (21:44 UTC)
- Expired
- Jun 25, 2010, 6:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Colbert County, AL
The radar
The Columbus AFB radar (KGWX), 101 km from the middle of the area, began a volume at 21:47 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, 9.7 hours before the alert went out and 193 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
- 2198 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 95 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 Jun 25, 2:44 PM CDT, 2 hours earlier.
Area forecast discussion, Jun 25, 2:44 PM CDT, 2 hours before
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HAZARDOUS WEATHER OUTLOOK...RETRANSMITTED NATIONAL WEATHER SERVICE HUNTSVILLE AL 1058 AM CDT FRI JUN 25 2010 ALZ001>010-016-TNZ076-096-097-260300- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 1058 AM CDT FRI JUN 25 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT... A WEAK FRONTAL BOUNDARY STRETCHED ACROSS THE TENNESSEE VALLEY...COMBINED WITH A MOIST AND UNSTABLE AIRMASS...WILL RESULT IN SCATTERED AFTERNOON AND EVENING THUNDERSTORMS. DUE TO THEIR SLOW MOVEMENT...LOCALLY HEAVY RAINFALL IS LIKELY WITH ANY STORMS TODAY. IN ADDITION...A FEW STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS. HEAT INDICES WILL ALSO APPROACH 100 TO 105 DEGREE RANGE ACROSS THE TENNESSEE VALLEY THROUGH LATE AFTERNOON. CAUTION IS ADVISED WHEN CONDUCTING OUTDOOR ACTIVITIES THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... SCATTERED THUNDERSTORMS ARE POSSIBLE THROUGH TUESDAY AS A WEAK FRONT LINGERS ACROSS THE REGION. THE BETTER CHANCE FOR THUNDERSTORMS WILL BE ON MONDAY AS A STRONGER COLD FRONT PUSHES SOUTHWARD THROUGH THE AREA. LOCALLY HEAVY RAINFALL AND GUSTY WINDS REMAIN POSSIBLE WITH THE STRONGER STORMS. AFTERNOON HEAT INDEX VALUES BETWEEN 100 AND 105 DEGREES ALSO REMAIN POSSIBLE THROUGH EARLY NEXT WEEK. CAUTION IS STRONGLY ADVISED WHEN CONDUCTING OUTDOOR ACTIVITIES THIS WEEKEND AND EARLY NEXT WEEK. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED AT THIS TIME.
In the hours before
Special weather statement, Jun 25, 3:10 PM CDT, 1 hour 34 minutes before
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</html>Local storm report, Jun 25, 3:24 PM CDT, 1 hour 20 minutes before
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</html>Local storm report, Jun 25, 3:32 PM CDT, 1 hour 12 minutes before
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</html>The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 11:20 AM CDT | Special Weather Statement | HUN | Lawrence | 40 min |
| Jun 25, 12:26 PM CDT | Special Weather Statement | HUN | Morgan | 34 min |
| Jun 25, 12:50 PM CDT | Special Weather Statement | HUN | Limestone | 25 min |
| Jun 25, 1:01 PM CDT | Special Weather Statement | HUN | Morgan | 29 min |
| Jun 25, 1:07 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 23 min |
| Jun 25, 1:18 PM CDT | Special Weather Statement | HUN | Madison | 42 min |
| Jun 25, 1:29 PM CDT | Special Weather Statement | HUN | Lauderdale | 46 min |
| Jun 25, 1:33 PM CDT | Special Weather Statement | HUN | Cullman | 27 min |
| Jun 25, 1:48 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 28 min |
| Jun 25, 2:04 PM CDT | Special Weather Statement | HUN | Jackson | 41 min |
| Jun 25, 2:13 PM CDT | Severe Thunderstorm Warning | HUN | Jackson | 32 min |
| Jun 25, 2:27 PM CDT | Flash Flood Warning | HUN | Jackson | 51 min |
| Jun 25, 2:42 PM CDT | Special Weather Statement | HUN | Madison | 48 min |
| Jun 25, 3:10 PM CDT | Special Weather Statement | HUN | DeKalb | 50 min |
| Jun 25, 3:12 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 48 min |
| Jun 25, 3:57 PM CDT | Flash Flood Warning | HUN | Franklin | 80 min |
| Jun 25, 4:02 PM CDT | Special Weather Statement | HUN | Colbert, Lauderdale | 58 min |
| Jun 25, 4:11 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 49 min |
| Jun 25, 5:05 PM CDT | Special Weather Statement | HUN | Lauderdale | 40 min |
| Jun 25, 1:53 PM CDT | Special Weather Statement | HUN | Lincoln | 37 min |
| Jun 25, 1:59 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln | 46 min |
| Jun 25, 3:30 PM CDT | Special Weather Statement | HUN | Franklin | 60 min |
Nearby
Flash Flood Warnings in Alabama, 2010Every flash flood warning in 2010
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.