Alert archive / Alabama / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 47, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Jun 8, 2007, 4:50 PM CDT for Jackson County, Alabama. It was in force for 25 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
- Jun 8, 2007, 4:50 PM CDT (21:50 UTC)
- Expired
- Jun 8, 2007, 5:15 PM CDT
- In force
- 25 min
- Issued by
- NWS Huntsville, AL
- Area
- Counties, with a storm outline in the text
County Jackson County, AL
The radar
The Northeast Alabama radar (KHTX), 19 km from the middle of the area, began a volume at 21:53 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, 9.8 hours before the alert went out and 160 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
- 2466 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 715 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 46 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 Jun 8, 4:04 PM CDT, 46 minutes earlier.
Area forecast discussion, Jun 8, 4:04 PM CDT, 46 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 1210 PM CDT FRI JUN 8 2007 ALZ001>010-016-TNZ076-096-097-090300- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 1210 PM CDT FRI JUN 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH THE AFTERNOON AND EVENING HOURS AS DAYTIME HEATING...INCREASING MOISTURE...AND AN APPROACHING FRONT CREATE AN UNSTABLE ENVIRONMENT ACROSS THE REGION. THE POTENTIAL EXISTS FOR THESE STORMS TO BECOME STRONG...WITH THE MAIN THREATS BEING GUSTY WINDS AND SMALL HAIL. ISOLATED STORMS MAY BRIEFLY APPROACH SEVERE LIMITS... CONTAINING DAMAGING WIND GUSTS UP TO 60 MPH. IN ADDITION...ALL STORMS WILL BE CAPABLE OF PRODUCING LOCALLY HEAVY DOWNPOURS AND FREQUENT CLOUD TO GROUND LIGHTNING. SHOWERS AND THUNDERSTORMS WILL GRADUALLY DIMINISH OVERNIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... UNSTABLE AIR WILL PERSIST ACROSS THE AREA INTO SATURDAY...WHEN ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP. THE BEST CHANCE OF RAIN WILL BE SOUTH OF THE TENNESSEE RIVER DUE TO THE POSITION OF THE FRONT. SOME STRONGER STORMS WILL AGAIN HAVE THE POTENTIAL TO GENERATE GUSTY WINDS AND PEA SIZED HAIL. A DRY WEATHER PATTERN WILL RESUME AFTER SATURDAY. .SPOTTER CALL TO ACTION STATEMENT... STORM REPORTS FROM EMERGENCY MANAGERS AND SPOTTERS WOULD BE APPRECIATED FRIDAY AND SATURDAY...HOWEVER FORMAL ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED AT THIS TIME. MR
In the hours before
Special weather statement, Jun 8, 3:20 PM CDT, 1 hour 30 minutes before
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</html>Special weather statement, Jun 8, 4:19 PM CDT, 31 minutes before
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</html>Special weather statement, Jun 8, 4:29 PM CDT, 21 minutes before
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</html>Special weather statement, Jun 8, 4:36 PM CDT, 14 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 8, 2:32 PM CDT | Severe Thunderstorm Warning | HUN | Lauderdale | 28 min |
| Jun 8, 2:53 PM CDT | Severe Thunderstorm Warning | HUN | Colbert | 22 min |
| Jun 8, 3:38 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 23 min |
| Jun 8, 3:55 PM CDT | Severe Thunderstorm Warning | HUN | Limestone | 24 min |
| Jun 8, 3:42 PM CDT | Severe Thunderstorm Warning | HUN | Lincoln | 16 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2007Every severe thunderstorm warning in 2007
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.