Alert archive / Alabama / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 151, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Jul 9, 2008, 5:15 PM CDT for Morgan County, Alabama. It was in force for 30 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
- Jul 9, 2008, 5:15 PM CDT (22:15 UTC)
- Expired
- Jul 9, 2008, 5:45 PM CDT
- In force
- 30 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
County Morgan County, AL
The radar
The Northeast Alabama radar (KHTX), 88 km from the middle of the area, began a volume at 22:17 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 12:00Z, 10.3 hours before the alert went out and 142 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
- 757 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 798 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 16 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 Jul 9, 5:02 PM CDT, 13 minutes earlier.
Area forecast discussion, Jul 9, 5:02 PM CDT, 13 minutes before
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</html>Hazardous weather outlook, Jul 9, 12:35 PM CDT, 4 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 1235 PM CDT WED JUL 9 2008 ALZ001>010-016-TNZ076-096-097-100100- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 1235 PM CDT WED JUL 9 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT... A WARM...MOIST AND UNSTABLE ENVIRONMENT WILL INTERACT WITH AN APPROACHING COLD FRONT THIS AFTERNOON TO CREATE THE CHANCE FOR SHOWERS AND THUNDERSTORMS. THE BEST CHANCE FOR THUNDERSTORMS WILL BE DURING THE AFTERNOON AND EVENING HOURS. ISOLATED SEVERE STORMS ARE POSSIBLE...WITH THE PRIMARY THREAT BEING DAMAGING WIND GUSTS. OTHERWISE...THUNDERSTORMS THIS AFTERNOON AND THIS EVENING WILL BE CAPABLE OF PRODUCING STRONG WIND GUSTS UP TO 50 MPH...ALONG WITH LOCALLY HEAVY RAIN. RAIN AND THUNDERSTORMS COULD BECOME MORE WIDESPREAD TONIGHT WITH THE PRIMARY THREAT BECOMING VERY HEAVY RAINFALL. IMPACTS OF FLOODING COULD INCREASE OVER AREAS THAT RECEIVE ANY PROLONGED PERIOD OF SIGNIFICANT RAINFALL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... A NEARLY STATIONARY FRONTAL BOUNDARY WILL BE THE FOCUS FOR ADDITIONAL SHOWERS AND THUNDERSTORMS THURSDAY INTO FRIDAY. AT THIS TIME...THE PRIMARY THREAT WITH THESE STORMS WILL BE HEAVY RAIN. FLOOD IMPACTS WILL CONTINUE TO BE MONITORED THROUGH FRIDAY... ESPECIALLY IN URBAN AREAS AND LOCATIONS THAT RECEIVE SEVERAL ROUNDS OF HEAVY RAINFALL. ANOTHER COLD FRONT IS EXPECTED TO IMPACT THE AREA LATE THIS WEEKEND WITH AN ONGOING CHANCE FOR THUNDERSTORMS SATURDAY AND SUNDAY. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL MAY BE REQUESTED FOR LATER THIS AFTERNOON AND THIS EVENING. EMERGENCY MANAGEMENT PERSONNEL ARE ENCOURAGED TO CLOSELY MONITOR WEATHER CONDITIONS THROUGH THIS EVENING.
In the hours before
Special weather statement, Jul 9, 3:35 PM CDT, 1 hour 40 minutes before
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</html>Special weather statement, Jul 9, 4:18 PM CDT, 57 minutes before
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</html>Local storm report, Jul 9, 4:32 PM CDT, 43 minutes before
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</html>Local storm report, Jul 9, 4:43 PM CDT, 32 minutes before
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</html>Special weather statement, Jul 9, 4:51 PM CDT, 24 minutes before
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</html>Special weather statement, Jul 9, 5:02 PM CDT, 13 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 |
|---|---|---|---|---|
| Jul 9, 1:09 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 21 min |
| Jul 9, 3:46 PM CDT | Severe Thunderstorm Warning | HUN | Limestone | 29 min |
| Jul 9, 4:42 PM CDT | Flash Flood Warning | HUN | Limestone | 89 min |
| Jul 9, 4:55 PM CDT | Flash Flood Warning | HUN | Madison | 3 hr |
| Jul 9, 5:16 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 14 min |
| Jul 9, 5:26 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 34 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2008Every severe thunderstorm warning in 2008
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.