Alert archive / Alabama / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 166, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Jun 12, 2009, 2:35 PM CDT for Colbert County, Franklin 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 12, 2009, 2:35 PM CDT (19:35 UTC)
- Expired
- Jun 12, 2009, 3:00 PM CDT
- In force
- 25 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
Counties Colbert County, AL, Franklin County, AL
The radar
The Columbus AFB radar (KGWX), 88 km from the middle of the area, began a volume at 19:38 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, 7.6 hours before the alert went out and 182 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
- 2334 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 692 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
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 12, 12:50 PM CDT, 1 hour 45 minutes earlier.
Area forecast discussion, Jun 12, 12:50 PM CDT, 1 hour 45 minutes before
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</html>Hazardous weather outlook, Jun 12, 1:20 PM CDT, 1 hour 15 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 120 PM CDT FRI JUN 12 2009 ALZ001>010-016-TNZ076-096-097-130300- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 120 PM CDT FRI JUN 12 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE ACROSS THE TENNESSEE VALLEY THROUGH TONIGHT. AMPLE INSTABILITY AND MOISTURE ACROSS THE AREA WILL RESULT IN SCATTERED THUNDERSTORMS THIS AFTERNOON. SOME OF THESE STORMS COULD BE STRONG TO SEVERE...CAPABLE OF PRODUCING DAMAGING WINDS AND HAIL...ALONG WITH LOCALLY HEAVY RAINFALL. ADDITIONAL THUNDERSTORM ACTIVITY IS POSSIBLE DURING THE OVERNIGHT... AS A THUNDERSTORM COMPLEX MOVES FROM THE CENTRAL PLAINS TO THE TENNESSEE VALLEY. SOME OF THESE STORMS COULD BE STRONG TO SEVERE... CAPABLE OF DAMAGING WINDS AND HAIL...IN ADDITION TO LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... THE TENNESSEE VALLEY WILL REMAIN UNDER THE INFLUENCE OF SEVERAL UPPER LEVEL DISTURBANCES AND A STALLED FRONTAL BOUNDARY THROUGH THE WEEKEND...WITH SHOWERS AND THUNDERSTORMS POSSIBLE THROUGH MONDAY. ON SATURDAY...SOME OF THESE STORMS COULD BE STRONG TO SEVERE...CAPABLE OF HAIL AND GUSTY WINDS...IN ADDITION TO LOCALLY HEAVY RAINFALL. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS POSSIBLE LATER THIS AFTERNOON AND EVENING. RSB
In the hours before
Special weather statement, Jun 12, 2:30 PM CDT, 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 230 PM CDT FRI JUN 12 2009 ALZ002-003-122015- COLBERT-FRANKLIN- 230 PM CDT FRI JUN 12 2009 ...SIGNIFICANT WEATHER ALERT FOR COLBERT AND FRANKLIN COUNTIES UNTIL 315 PM CDT... AT 230 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR MYNOT...OR 15 MILES SOUTHEAST OF IUKA... MOVING EAST AT 15 MPH. ONE HALF INCH DIAMETER HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... SRYGLEY CHURCH... RED ROCK... POSEY LOOP... CROOKED OAK...NEW BETHEL. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. RSB
The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 3:34 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 26 min |
| Jun 12, 5:07 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 27 min |
| Jun 12, 6:16 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale | 44 min |
| Jun 12, 6:59 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale, Lawrence | 38 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2009Every severe thunderstorm warning in 2009
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.