Alert archive / Alabama / Flash Flood Warnings in 2010
Flash Flood Warning 22, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at May 28, 2010, 3:54 PM CDT for Limestone County, Madison County, Morgan 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
- May 28, 2010, 3:54 PM CDT (20:54 UTC)
- Expired
- May 28, 2010, 6:07 PM CDT
- In force
- 2 hr
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Limestone County, AL, Madison County, AL, Morgan County, AL
The radar
The Northeast Alabama radar (KHTX), 71 km from the middle of the area, began a volume at 20:54 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, 8.9 hours before the alert went out and 163 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
- 909 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 951 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- -28 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 May 28, 2:49 PM CDT, 1 hour 5 minutes earlier.
Area forecast discussion, May 28, 2:49 PM CDT, 1 hour 5 minutes before
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</html>Hazardous weather outlook, May 28, 1:15 PM CDT, 2 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 115 PM CDT FRI MAY 28 2010 ALZ001>010-016-TNZ076-096-097-290300- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 115 PM CDT FRI MAY 28 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON...AS AN UPPER LEVEL DISTURBANCE TRACKS INTO THE AREA. ANY OF THE STORMS COULD BECOME STRONG WITH GUSTY WINDS...SMALL HAIL...AND HEAVY DOWNPOURS. SOME OF THESE HEAVY DOWNPOURS COULD PRODUCE ISOLATED INSTANCES OF FLASH FLOODING. SOME OF THESE STORMS COULD BECOME SEVERE...PRODUCING DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE SATURDAY THROUGH THE HOLIDAY WEEKEND AS HEAT AND HUMIDITY COMBINE WITH A STALLED UPPER LEVEL DISTURBANCE. THUNDERSTORMS DURING THIS PERIOD COULD BECOME STRONG WITH GUSTY WINDS...SMALL HAIL...AND HEAVY DOWNPOURS. ISOLATED SEVERE STORMS ARE ALSO POSSIBLE...WITH DAMAGING WINDS AS THE MAIN THREAT. ISOLATED TO SCATTERED THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH MIDWEEK AS A SUMMER LIKE PATTERN CONTROLS THE FORECAST. .SPOTTER CALL TO ACTION STATEMENT... FORMAL ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED AT THIS TIME. HOWEVER...SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD REMAIN ALERT TO THE POTENTIAL FOR ISOLATED SEVERE STORMS THIS HOLIDAY WEEKEND. 20
In the hours before
Special weather statement, May 28, 2:47 PM CDT, 1 hour 7 minutes before
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</html>Local storm report, May 28, 2:50 PM CDT, 1 hour 4 minutes before
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</html>Local storm report, May 28, 3:46 PM CDT, 8 minutes before
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</html>Local storm report, May 28, 3:51 PM CDT, 3 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 |
|---|---|---|---|---|
| May 28, 1:01 PM CDT | Special Weather Statement | HUN | DeKalb | 44 min |
| May 28, 1:19 PM CDT | Special Weather Statement | HUN | Madison | 41 min |
| May 28, 1:28 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 32 min |
| May 28, 1:44 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 31 min |
| May 28, 1:49 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 26 min |
| May 28, 2:01 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb, Marshall | 29 min |
| May 28, 2:08 PM CDT | Special Weather Statement | HUN | Cullman | 37 min |
| May 28, 2:14 PM CDT | Special Weather Statement | HUN | Madison | 31 min |
| May 28, 2:29 PM CDT | Flash Flood Warning | HUN | DeKalb | 99 min |
| May 28, 2:47 PM CDT | Special Weather Statement | HUN | Madison | 43 min |
| May 28, 3:07 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison, Marshall | 38 min |
| May 28, 3:24 PM CDT | Severe Thunderstorm Warning | HUN | Madison, Morgan | 36 min |
| May 28, 3:44 PM CDT | Special Weather Statement | HUN | Marshall | 46 min |
| May 28, 4:02 PM CDT | Special Weather Statement | HUN | Morgan | 58 min |
| May 28, 4:05 PM CDT | Severe Thunderstorm Warning | HUN | Cullman, Morgan | 25 min |
| May 28, 4:07 PM CDT | Special Weather Statement | HUN | Limestone | 53 min |
| May 28, 4:12 PM CDT | Severe Thunderstorm Warning | HUN | Marshall | 18 min |
| May 28, 4:27 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 33 min |
| May 28, 4:36 PM CDT | Special Weather Statement | HUN | Lawrence | 54 min |
| May 28, 4:40 PM CDT | Special Weather Statement | HUN | DeKalb | 35 min |
| May 28, 4:48 PM CDT | Special Weather Statement | HUN | Lawrence | 42 min |
| May 28, 5:01 PM CDT | Special Weather Statement | HUN | Cullman | 29 min |
| May 28, 5:24 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 38 min |
| May 28, 5:54 PM CDT | Special Weather Statement | HUN | Marshall | 36 min |
| May 28, 6:17 PM CDT | Special Weather Statement | HUN | Lauderdale | 43 min |
| May 28, 6:37 PM CDT | Severe Thunderstorm Warning | HUN | Lauderdale | 23 min |
| May 28, 1:13 PM CDT | Special Weather Statement | HUN | Franklin | 47 min |
| May 28, 1:24 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 36 min |
| May 28, 1:57 PM CDT | Flash Flood Warning | HUN | Franklin | 106 min |
| May 28, 2:19 PM CDT | Special Weather Statement | HUN | Franklin | 26 min |
| May 28, 3:00 PM CDT | Special Weather Statement | HUN | Moore | 30 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.