Alert archive / Alabama / Flash Flood Warnings in 2010
Flash Flood Warning 19, NWS Huntsville, AL
NWS Huntsville, AL issued this flash flood warning at May 24, 2010, 7:58 PM CDT for Cullman County, Alabama. It was in force for 93 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
- May 24, 2010, 7:58 PM CDT (00:58 UTC)
- Expired
- May 24, 2010, 9:31 PM CDT
- In force
- 93 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Cullman County, AL
The radar
The Birmingham radar (KBMX), 107 km from the middle of the area, began a volume at 01:00 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
Birmingham, AL (KBMX), launched 00:00Z, 1.0 hours before the alert went out and 106 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
- 1094 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1715 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 57 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 24, 6:15 PM CDT, 1 hour 43 minutes earlier.
Area forecast discussion, May 24, 6:15 PM CDT, 1 hour 43 minutes before
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</html>Hazardous weather outlook, May 24, 1:07 PM CDT, 6 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 107 PM CDT MON MAY 24 2010 ALZ001>010-016-TNZ076-096-097-250400- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 107 PM CDT MON MAY 24 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING MAINLY ACROSS LOCATIONS WEST OF INTERSTATE 65. SOME STORMS MAY BE CAPABLE OF PRODUCING BRIEF HEAVY RAINFALL...HAIL...AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. ISOLATED TO SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE THROUGH MUCH OF THE WORK WEEK AS A SERIES OF UPPER LEVEL DISTURBANCES MOVE ACROSS THE REGION. SOME OF THESE STORMS MAY PRODUCE GUSTY WINDS...HAIL...AND LOCALLY HEAVY RAINFALL. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED AT THIS TIME. KNS
In the hours before
Special weather statement, May 24, 2:23 PM CDT, 5 hours 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
223 PM CDT MON MAY 24 2010
ALZ001-002-242030-
COLBERT-LAUDERDALE-
223 PM CDT MON MAY 24 2010
...SIGNIFICANT WEATHER ADVISORY FOR COLBERT AND LAUDERDALE COUNTIES
UNTIL 330 PM CDT...
AT 220 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM COLLINWOOD TO ZIP
CITY TO FORD CITY...MOVING SOUTHWEST AT 10 MPH.
PENNY SIZE HAIL...WINDS UP TO 45 MPH...AND FREQUENT CLOUD TO GROUND
LIGHTNING ARE EXPECTED WITH THESE STORMS.
* LOCATIONS IN OR NEAR THE PATH INCLUDE...
UNDERWOOD-PETERSVILLE.
FLORENCE.
MUSCLE SHOALS.
CLOVERDALE.
SHEFFIELD.
THREET...TUSCUMBIA.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE
STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY.
&&
LAT...LON 3502 8763 3501 8759 3500 8758 3476 8747
3457 8783 3476 8799 3502 8811 3502 8810
TIME...MOT...LOC 1923Z 052DEG 7KT 3513 8778 3494 8767
3479 8760
KNSLocal storm report, May 24, 3:35 PM CDT, 4 hours 23 minutes before
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</html>Special weather statement, May 24, 4:18 PM CDT, 3 hours 40 minutes before
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</html>Local storm report, May 24, 5:02 PM CDT, 2 hours 56 minutes before
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</html>Special weather statement, May 24, 5:08 PM CDT, 2 hours 50 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 24, 7:26 PM CDT | Special Weather Statement | HUN | Cullman | 49 min |
| May 24, 7:53 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 52 min |
| May 24, 8:16 PM CDT | Severe Thunderstorm Warning | HUN | Morgan | 29 min |
| May 24, 8:47 PM CDT | Special Weather Statement | HUN | Cullman | 43 min |
| May 24, 7:07 PM CDT | Special Weather Statement | HUN | Franklin | 23 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.