Alert archive / Alabama / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 82, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Jul 9, 2007, 2:57 PM CDT for Lauderdale County, Limestone County, Alabama. It was in force for 33 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, 2007, 2:57 PM CDT (19:57 UTC)
- Expired
- Jul 9, 2007, 3:30 PM CDT
- In force
- 33 min
- Issued by
- NWS Huntsville, AL
- Area
- Counties, with a storm outline in the text
Counties Lauderdale County, AL, Limestone County, AL
The radar
The Northeast Alabama radar (KHTX), 113 km from the middle of the area, began a volume at 20:00 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
Nashville Metro, TN (KBNA), launched 12:00Z, 8.0 hours before the alert went out and 156 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
- 1071 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1266 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- -9 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, 2:05 PM CDT, 52 minutes earlier.
Area forecast discussion, Jul 9, 2:05 PM CDT, 52 minutes before
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</html>Hazardous weather outlook, Jul 9, 12:45 PM CDT, 2 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 1245 PM CDT MON JUL 9 2007 ALZ001>010-016-TNZ076-096-097-100400- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 1245 PM CDT MON JUL 9 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT... SHOWERS AND THUNDERSTORMS WILL AFFECT THE CENTRAL TENNESSEE VALLEY THROUGH AT LEAST SUNSET THIS EVENING AS A MOIST AND UNSTABLE ENVIRONMENT INTERACTS WITH AN UPPER LEVEL DISTURBANCE APPROACHING FROM CENTRAL MISSISSIPPI. HEAVY RAIN WILL CONTINUE TO BE THE PRIMARY THREAT...BUT SOME STRONGER STORMS WILL BE CAPABLE OF PRODUCING BRIEF STRONG WIND GUSTS TO 45 MPH. THE HEAVY RAINFALL...WITH RAINFALL RATES UP TO 2 INCHES PER HOUR... COULD POTENTIALLY CREATE MINOR STREET AND LOWLAND FLOODING... ESPECIALLY IN URBAN AREAS WHERE POOR DRAINAGE MAY EXIST. FLASH FLOODING IS NOT EXPECTED TODAY...HOWEVER LOCATIONS THAT HAVE RECEIVED SIGNIFICANT RAINFALL DURING THE PAST WEEK WILL BE MORE PRONE TO THE THREAT OF ISOLATED FLASH FLOOD CONDITIONS. LATER THIS EVENING AND TONIGHT...AREAS OF FOG WILL DEVELOP... REDUCING VISIBILITIES TO LESS THAN 2 MILES AT TIMES...ESPECIALLY IN VALLEYS...BODIES OF WATER AND WHERE SIGNIFICANT RAIN OCCURRED TODAY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED ONCE AGAIN TUESDAY AND WEDNESDAY AS SEVERAL UPPER LEVEL WAVES MOVE ACROSS THE REGION. THERE IS AN ELEVATED THREAT OF STRONG TO SEVERE STORMS WEDNESDAY AFTERNOON AND EARLY EVENING AS A MORE INTENSE LOW PRESSURE SYSTEM AFFECTS THE AREA. IN ADDITION TO HEAVY RAIN...THE PRIMARY THREATS WILL BE STRONG DAMAGING WINDS AND LARGE HAIL. A FRONTAL BOUNDARY IS FORECAST TO PUSH SOUTH OF THE AREA WEDNESDAY NIGHT...BRINGING A LESSER CHANCE OF RAIN TO THE AREA THURSDAY AND FRIDAY. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED AT THIS TIME. SPOTTERS AND EMERGENCY OFFICIALS ARE ENCOURAGED TO REPORT RAINFALL AMOUNTS. NADLER
In the hours before
Special weather statement, Jul 9, 1:16 PM CDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 116 PM CDT MON JUL 9 2007 TNZ097-091900- FRANKLIN- 116 PM CDT MON JUL 9 2007 ...SIGNIFICANT WEATHER ALERT FOR FRANKLIN COUNTY UNTIL 200 PM CDT... AT 116 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR ESTILL SPRINGS...OR 8 MILES NORTH OF WINCHESTER...MOVING EAST AT 10 MPH. PEA SIZE HAIL...WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... ESTILL SPRINGS. WOODS RESERVOIR. ALTO. ESIMATED RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE FROM THE THUNDERSTORM. THIS MAY RESULT IN BRIEF RUNOFF PROBLEMS AND PONDING OF WATER ON AREA ROADWAYS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. DJN
Special weather statement, Jul 9, 2:05 PM CDT, 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 205 PM CDT MON JUL 9 2007 ALZ003-004-092000- FRANKLIN-LAWRENCE- 205 PM CDT MON JUL 9 2007 ...SIGNIFICANT WEATHER ALERT FOR SOUTHEAST FRANKLIN AND SOUTHERN LAWRENCE COUNTIES UNTIL 300 PM CDT... AT 205 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES WEST OF PHIL CAMPBELL TO 10 MILES NORTHEAST OF HALEYVILLE TO ADDISON...MOVING NORTHEAST AT 10 MPH. WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE STORMS. * LOCATIONS IN OR NEAR THE PATH INCLUDE... PHIL CAMPBELL. SPRUCE PINE. ISBELL. MT HOPE. RUSSELLVILLE. NEWBURG. RAINFALL AMOUNTS UP TO 1 INCH CAN BE EXPECTED WITH THESE STORMS... WITH ISOLATED HIGHER AMOUNTS POSSIBLE. THIS MAY RESULT IN BRIEF RUNOFF PROBLEMS AND PONDING OF WATER ON AREA ROADWAYS AND LOW LYING AREAS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. DJN
Special weather statement, Jul 9, 2:20 PM CDT, 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 220 PM CDT MON JUL 9 2007 ALZ016-092000- CULLMAN- 220 PM CDT MON JUL 9 2007 ...SIGNIFICANT WEATHER ALERT FOR EAST CENTRAL CULLMAN COUNTY UNTIL 300 PM CDT... AT 220 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8 MILES EAST OF CULLMAN...MOVING NORTH AT 10 MPH. WINDS UP TO 45 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... WALTER. RAINFALL AMOUNTS OF OF UP TO 1 INCH ARE POSSIBLE WITH THIS STORM. THIS MAY RESULT IN BRIEF RUNOFF PROBLEMS AND PONDING OF WATER ON AREA ROADWAYS. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. DJN
Special weather statement, Jul 9, 2:32 PM CDT, 25 minutes before
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</html>Special weather statement, Jul 9, 2:40 PM CDT, 17 minutes before
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</html>Special weather statement, Jul 9, 2:48 PM CDT, 9 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, 2:35 PM CDT | Severe Thunderstorm Warning | HUN | Cullman | 40 min |
| Jul 9, 4:16 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 29 min |
| Jul 9, 4:22 PM CDT | Severe Thunderstorm Warning | HUN | Jackson | 23 min |
| Jul 9, 4:49 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 17 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.