Alert archive / Alabama / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 99, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Jul 25, 2007, 6:45 PM CDT for Madison 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 25, 2007, 6:45 PM CDT (23:45 UTC)
- Expired
- Jul 25, 2007, 7:15 PM CDT
- In force
- 30 min
- Issued by
- NWS Huntsville, AL
- Area
- Counties, with a storm outline in the text
County Madison County, AL
The radar
The Northeast Alabama radar (KHTX), 46 km from the middle of the area, began a volume at 23:44 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, 11.8 hours before the alert went out and 152 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
- 1612 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 95 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 25, 3:13 PM CDT, 3 hours 32 minutes earlier.
Area forecast discussion, Jul 25, 3:13 PM CDT, 3 hours 32 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HUNTSVILLE AL 313 PM CDT WED JUL 25 2007 .DISCUSSION... UPPER CLOSED LOW OVR NRN OHIO WITH SEVERAL DISTURBANCES SPINNING ARND IT. RADAR SHOWS A LINE OF STRONG TO SEVERE THUNDERSTORMS OVER PORTIONS OF MID TN. THESE STORMS ARE SLOWLY MOVING SE TOWARDS OUR CWA. COULD SEE A FEW SVR STORMS THIS AFTN MAINLY ACROSS OUR TN ZONES. EXPECT THE TSRA ACTIVITY TO DIMINISH SHORTLY AFTER SUNSET. HOWEVER SINCE IT IS DIFFICULT TO TIME ANY DISTURBANCES SPINNING OFF THE UPPER LOW...WILL GO AHEAD AND KEEP LOW POPS ACROSS THE CWA FOR OVERNIGHT. THURSDAY/FRIDAY...PRETTY MUCH THE SAME WX SITUATION WITH MAINLY AFTN/EVENING SHRA/TSRA. AGAIN...TIMING OF PCPN WILL BE TRICKY DUE TO WEAK VORT MAXES SPINNING OFF OF THE UPPER LOW. WILL KEEP LOW POPS IN FOR BOTH DAYS. SATURDAY...BOTH NAM AND GFS SHOWS A WEAK CDFNT APPROACHING THE CWA BY AFTN/EVENING. KEPT THE POPS FROM PREVIOUS FCST. ATTM THIS CDFNT DOES NOT LOOK TO BRING MUCH IN THE WAY OF DRIER/COOLER AIR (AFTN HIGHS ARND 90/MRNG LOWS NEAR 70 AND LITTLE OR NO PCPN). SUNDAY THRU WEDNESDAY...GFS SHOWS THE UPPER LOW NOW OVER THE MID ATLANTIC STATES/WEAK RIDGING OVER CENTRAL US...THIS PUTS THE BEST CHANCE OF PCPN IN OUR EXTREME NERN ZONES. SUNDAY LOOKS DRY ACCORDING TO THE GFS...BUT WILL KEEP POPS IN BUT REMOVE FROM SUNDAY NIGHT. SINCE CONFIDENCE IS LOW THIS FAR OUT IN THE FCST...WILL KEEP MONDAY THRU WEDNESDAY DRY. && .PRELIMINARY POINT TEMPS/POPS... HUNTSVILLE 69 90 70 90 / 20 20 20 20 SHOALS 70 90 70 91 / 30 20 20 20 CULLMAN 70 90 70 90 / 20 20 20 20 FAYETTEVILLE 67 88 68 88 / 30 20 20 20 ALBERTVILLE 69 90 70 90 / 20 20 20 20 FORT PAYNE 66 88 68 88 / 20 20 20 20 && .HUN WATCHES/WARNINGS/ADVISORIES... AL...NONE. TN...NONE. && 07
Hazardous weather outlook, Jul 25, 6:15 PM CDT, 30 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE HUNTSVILLE AL 615 PM CDT WED JUL 25 2007 ALZ001>010-016-TNZ076-096-097-261030- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DE KALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 615 PM CDT WED JUL 25 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. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH THIS EVENING ACROSS THE TENNESSEE VALLEY. A WARM AND UNSTABLE AIR MASS WILL ALLOW A FEW STRONGER STORMS TO DEVELOP...WHICH WILL BE CAPABLE OF PRODUCING WIND GUSTS TO NEAR 50 MPH...SMALL HAIL...AND FREQUENT CLOUD TO GROUND LIGHTNING. THE SLOW MOVING NATURE OF THESE STORMS WILL ALSO PRODUCE VERY HEAVY RAINFALL IN A FEW LOCATIONS WITH THE POTENTIAL FOR PONDING OF WATER ON AREA ROADWAYS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. SLIGHTLY DRIER CONDITIONS ARE FORECAST FOR LATER IN THE WORK WEEK... BUT AN APPROACHING COLD FRONT WILL BRING AN INCREASED CHANCE OF RAIN TO THE CENTRAL TENNESSEE VALLEY FOR THE WEEKEND. SOME STRONGER THUNDERSTORMS ARE POSSIBLE NEAR THE FRONTAL BOUNDARY...WITH THE MAIN THREATS LIKELY TO BE GUSTY WINDS AND LOCALLY HEAVY RAINFALL. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED AT THIS TIME. 14/15
In the hours before
Special weather statement, Jul 25, 5:39 PM CDT, 1 hour 6 minutes before
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</html>Special weather statement, Jul 25, 5:49 PM CDT, 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 549 PM CDT WED JUL 25 2007 ALZ005-252315- LIMESTONE- 549 PM CDT WED JUL 25 2007 ...SIGNIFICANT WEATHER ALERT FOR SOUTHERN LIMESTONE COUNTY UNTIL 615 PM CDT... AT 549 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR THE INTERSECTION OF INTERSTATE 65 AND INTERSTATE 565...MOVING EAST AT 5 MPH. PEA SIZE HAIL...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... TANNER. MOORESVILLE. BELLE MINA. I-65 BETWEEN MILE MARKERS 340 AND 350. I-565 BETWEEN I-65 AND MILE MARKER 5. ALABAMA ROUTE 20 BETWEEN I-565 AND HIGHWAY 31. PRYOR FIELD. CALHOUN COMMUNITY COLLEGE. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. JE
Local storm report, Jul 25, 5:57 PM CDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
557 PM CDT WED JUL 25 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0314 PM LIGHTNING ESTILL SPRINGS 35.26N 86.13W
07/25/2007 FRANKLIN TN LAW ENFORCEMENT
HOUSE STRUCK BY LIGHTNING.
0328 PM HAIL COWAN 35.17N 86.02W
07/25/2007 E0.25 INCH FRANKLIN TN EMERGENCY MNGR
PEA SIZE HAIL.
0338 PM HAIL SEWANEE 35.20N 85.92W
07/25/2007 E0.50 INCH FRANKLIN TN TRAINED SPOTTER
PEA TO MARBLE SIZE HAIL REPORTED BY SPOTTER.
0455 PM HAIL ROGERSVILLE 34.83N 87.29W
07/25/2007 E0.75 INCH LAUDERDALE AL POST OFFICE
PENNY SIZE HAIL REPORTED BY POSTAL EMPLOYEE.
&&
CBDSpecial weather statement, Jul 25, 6:09 PM CDT, 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 609 PM CDT WED JUL 25 2007 ALZ007-252345- MORGAN- 609 PM CDT WED JUL 25 2007 ...SIGNIFICANT WEATHER ALERT FOR MORGAN COUNTY UNTIL 645 PM CDT... AT 609 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7 MILES SOUTHWEST OF FLINT CITY...OR 8 MILES WEST OF HARTSELLE...MOVING EAST AT 10 MPH. ANOTHER STRONG THUNDERSTORM WAS LOCATED NEAR PENCE...OR ABOUT 5 MILES EAST OF PRICEVILLE...ALSO MOVING EAST 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... NEEL. BASHAM. FLINT CITY. HARTSELLE. PENCE. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY. 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, Jul 25, 6:17 PM CDT, 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 617 PM CDT WED JUL 25 2007 ALZ006-252345- MADISON- 617 PM CDT WED JUL 25 2007 ...SIGNIFICANT WEATHER ALERT FOR MADISON COUNTY UNTIL 645 PM CDT... AT 617 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM HUNTSVILLE TO GURLEY...MOVING SOUTHEAST 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... BROWNSBORO. HADEN. GURLEY. HAMPTON COVE. INTERSTATE 565 BETWEEN MILE MARKERS 11 AND 21. HIGHWAY 72 BETWEEN INTERSTATE 565 AND GURLEY. REDSTONE ARSENAL. SOUTH HUNTSVILLE. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY. 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, Jul 25, 6:23 PM CDT, 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 623 PM CDT WED JUL 25 2007 ALZ004-260000- LAWRENCE- 623 PM CDT WED JUL 25 2007 ...SIGNIFICANT WEATHER ALERT FOR SOUTHERN LAWRENCE COUNTY UNTIL 700 PM CDT... AT 623 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9 MILES SOUTHWEST OF MOULTON...MOVING EAST AT 5 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... WREN. SPEAKE. BANKHEAD NATIONAL FOREST. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. JE
The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 4:39 PM CDT | Severe Thunderstorm Warning | HUN | Lauderdale | 21 min |
| Jul 25, 6:25 PM CDT | Severe Thunderstorm Warning | HUN | Madison | 20 min |
| Jul 25, 6:29 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 16 min |
| Jul 25, 6:31 PM CDT | Severe Thunderstorm Warning | HUN | Morgan | 29 min |
| Jul 25, 2:58 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 32 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.