Alert archive / Alabama / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 40, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at May 10, 2007, 2:15 PM CDT for Colbert County, Lawrence County, Alabama. It was in force for 16 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 10, 2007, 2:15 PM CDT (19:15 UTC)
- Expired
- May 10, 2007, 2:31 PM CDT
- In force
- 16 min
- Issued by
- NWS Huntsville, AL
- Area
- Counties, with a storm outline in the text
Counties Colbert County, AL, Lawrence County, AL
The radar
The Columbus AFB radar (KGWX), 106 km from the middle of the area, began a volume at 19:16 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, 7.3 hours before the alert went out and 175 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1305 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 59 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 May 10, 2:15 PM CDT, 0 minutes earlier.
Area forecast discussion, May 10, 2:15 PM CDT, 0 minutes before
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</html>Hazardous weather outlook, May 10, 1:00 PM CDT, 1 hour 15 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 100 PM CDT THU MAY 10 2007 ALZ001>010-016-TNZ076-096-097-111000- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 100 PM CDT THU MAY 10 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THROUGH TONIGHT... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. THE COMBINATION OF A WEATHER DISTURBANCE MOVING TOWARD THE SOUTHEASTERN STATES AND AFTERNOON HEATING WILL CAUSE ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP THIS AFTERNOON ACROSS THE REGION. SOME OF THESE THUNDERSTORMS COULD PRODUCE MICROBURSTS...RESULTING IN BRIEF WIND GUSTS TO 50 MPH...HEAVY DOWNPOURS AND SMALL HAIL. CONDITIONS ACROSS NORTHWEST ALABAMA WILL BE MORE FAVORABLE FOR THIS STRONG THUNDERSTORM ACTIVITY. MOST OF THE SHOWER AND THUNDERSTORM ACTIVITY SHOULD DISSIPATE SHORTLY AFTER SUNSET. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE POSSIBLE ON FRIDAY AND SATURDAY AS A WEAK COLD FRONT MOVES INTO THE TENNESSEE VALLEY. THESE THUNDERSTORMS MAY ALSO BE CAPABLE OF PRODUCING MICROBURSTS. ANOTHER WEAK FRONT IS EXPECTED TO CAUSE SHOWERS AND THUNDERSTORMS TO RETURN TO THE AREA BY THE MIDDLE OF NEXT WEEK. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED AT THIS TIME. JE
In the hours before
Special weather statement, May 10, 12:30 PM CDT, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 1230 PM CDT THU MAY 10 2007 ALZ004-101800- LAWRENCE- 1230 PM CDT THU MAY 10 2007 ...SIGNIFICANT WEATHER ALERT FOR SOUTHWESTERN LAWRENCE COUNTY UNTIL 100 PM CDT... AT 1230 PM CDT...SATELLITE IMAGERY AND NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THUNDERSTORMS WERE RAPIDLY DEVELOPING 12 MILES SOUTHWEST OF MOULTON...MOVING NORTHEAST AT 5 MPH. PEA SIZE HAIL...WINDS UP TO 45 MPH...AND LOCALLY HEAVY RAINFALL ARE EXPECTED WITH THESE STORMS. RAINFALL AMOUNTS UP TO ONE INCH ARE LIKELY IN A SHORT PERIOD OF TIME. * LOCATIONS IN OR NEAR THE PATH INCLUDE... MOUNT HOPE. LANDERSVILLE. BANKHEAD NATIONAL FOREST. SEEK SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. JE
Special weather statement, May 10, 1:04 PM CDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 104 PM CDT THU MAY 10 2007 ALZ003-101830- FRANKLIN- 104 PM CDT THU MAY 10 2007 ...SIGNIFICANT WEATHER ALERT FOR FRANKLIN COUNTY ALABAMA UNTIL 130 PM CDT... AT 104 PM CDT...SATELLITE IMAGERY AND NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THUNDERSTORMS WERE RAPIDLY DEVELOPING NEAR RUSSELLVILLE. THESE STORMS WERE NEARLY STATIONARY. PEA SIZE HAIL...WINDS UP TO 40 MPH...AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE STORMS. * LOCATIONS IN OR NEAR THE PATH INCLUDE... ISBELL. RUSSELLVILLE. RAINFALL AMOUNTS OF OVER AN INCH IN A SHORT PERIOD OF TIME ARE POSSIBLE FROM THE THUNDERSTORMS. 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. JE
Special weather statement, May 10, 1:33 PM CDT, 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 133 PM CDT THU MAY 10 2007 ALZ003-101900- FRANKLIN- 133 PM CDT THU MAY 10 2007 ...SIGNIFICANT WEATHER ALERT FOR FRANKLIN COUNTY ALABAMA UNTIL 200 PM CDT... AT 133 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12 MILES SOUTHEAST OF RED BAY. THIS STORM WAS NEARLY STATIONARY. ONE HALF INCH DIAMETER HAIL...WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND VERY HEAVY RAINFALL ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... ATWOOD. HODGES. A SECOND THUNDERSTORM NEAR RUSSELLVILLE...WHICH PROMPTED THE PREVIOUS SIGNIFICANT WEATHER ALERT...WAS WEAKENING. RAINFALL AMOUNTS OF UP TO ONE INCH IN A SHORT PERIOD OF TIME ARE POSSIBLE FROM THE THUNDERSTORM. THIS MAY RESULT IN BRIEF RUNOFF PROBLEMS AND PONDING OF WATER ON AREA ROADWAYS. JE
Special weather statement, May 10, 1:42 PM CDT, 33 minutes before
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</html>Special weather statement, May 10, 1:52 PM CDT, 23 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 10, 1:37 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 14 min |
| May 10, 6:15 PM CDT | Severe Thunderstorm Warning | HUN | Morgan | 30 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.