Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 251, NWS Huntsville, AL

July 12, 2011Limestone County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Jul 12, 2011, 4:42 PM CDT for 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 12, 2011, 4:42 PM CDT (21:42 UTC)
Expired
Jul 12, 2011, 5:15 PM CDT
In force
33 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

County Limestone County, AL

The radar

The Northeast Alabama radar (KHTX), 83 km from the middle of the area, began a volume at 21:42 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.

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 12, 2:16 PM CDT, 2 hours 26 minutes earlier.

Area forecast discussion, Jul 12, 2:16 PM CDT, 2 hours 26 minutes before
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Hazardous weather outlook, Jul 12, 10:57 AM CDT, 5 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1057 AM CDT TUE JUL 12 2011

ALZ001>010-016-TNZ076-096-097-131015-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
1057 AM CDT TUE JUL 12 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF
SOUTHERN MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT...

HEAT INDEX VALUES IN EXCESS OF 110 DEGREES ARE EXPECTED ACROSS
NORTHWEST AND NORTH CENTRAL ALABAMA.  ELSEWHERE IN NORTHEAST ALABAMA
AND SOUTHERN MIDDLE TENNESSEE...HEAT INDEX VALUES WILL REACH THE
105 TO 110 DEGREE RANGE.

ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON.
SUDDEN LIGHTNING STRIKES WILL OCCUR WITH THESE FAST DEVELOPING
STORMS.  IN ADDITION...GUSTY WINDS UP TO 40 MPH AND LOCALLY HEAVY
DOWNPOURS WILL ACCOMPANY THE STRONGEST STORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

HEAT INDEX VALUES ARE EXPECTED TO REACH THE 105 TO 110
DEGREE RANGE AGAIN ON WEDNESDAY AFTERNOON.

SCATTERED THUNDERSTORMS ARE EXPECTED WEDNESDAY INTO THURSDAY.  A FEW
OF THESE STORMS MAY BE STRONG WITH FREQUENT LIGHTNING...GUSTY WINDS
AND LOCALLY HEAVY RAINFALL.

DAILY ISOLATED TO SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ARE
POSSIBLE FROM FRIDAY THROUGH MONDAY.

.SPOTTER CALL TO ACTION STATEMENT...

FORMAL ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT
PERSONNEL IS NOT ANTICIPATED AT THIS TIME. HOWEVER...TIMELY REPORTS
OF WIND DAMAGE AND FLOODING WILL BE GREATLY APPRECIATED.

KULA

In the hours before

Special weather statement, Jul 12, 3:13 PM CDT, 1 hour 29 minutes before
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Local storm report, Jul 12, 3:27 PM CDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
327 PM CDT TUE JUL 12 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0205 PM     TSTM WND DMG     5 NW FORT PAYNE         34.51N 85.76W
07/12/2011                   DEKALB             AL   EMERGENCY MNGR

            A POWER POLE WAS KNOCKED DOWN. TIME ESTIMATED BY RADAR OF
            GUST FRONT.

&&

KULA
Special weather statement, Jul 12, 3:50 PM CDT, 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
350 PM CDT TUE JUL 12 2011

ALZ008-010-122115-
DE KALB-MARSHALL-
350 PM CDT TUE JUL 12 2011

...SIGNIFICANT WEATHER ADVISORY FOR DEKALB AND MARSHALL COUNTIES
UNTIL 415 PM CDT...

AT 350 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR RODENTOWN...OR 7 MILES NORTHEAST OF BOAZ...
MOVING SOUTHWEST AT 10 MPH.

WINDS UP TO 50 MPH ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  ARONA...ALBERTVILLE.
  BOAZ...HIGH POINT.
  HORTON...DOUGLAS.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

&&

LAT...LON 3414 8635 3436 8620 3427 8590 3419 8594
      3420 8609 3418 8611 3418 8619 3410 8629
      3410 8631
TIME...MOT...LOC 2050Z 028DEG 11KT 3423 8605
Special weather statement, Jul 12, 4:05 PM CDT, 37 minutes before
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Special weather statement, Jul 12, 4:35 PM CDT, 7 minutes before
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Special weather statement, Jul 12, 4:39 PM CDT, 3 minutes before
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The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 12, 4:48 AM CDTHeat AdvisoryHUNColbert, Cullman, Franklin, Lauderdale, Lawrence, Limestone and 2 more38 hr
Jul 12, 1:43 PM CDTSevere Thunderstorm WarningHUNJackson32 min
Jul 12, 1:53 PM CDTSpecial Weather StatementHUNDeKalb37 min
Jul 12, 2:03 PM CDTSevere Thunderstorm WarningHUNDeKalb27 min
Jul 12, 2:11 PM CDTFlash Flood WarningHUNJackson90 min
Jul 12, 2:36 PM CDTFlash Flood WarningHUNDeKalb64 min
Jul 12, 2:38 PM CDTSpecial Weather StatementHUNMadison67 min
Jul 12, 3:06 PM CDTSevere Thunderstorm WarningHUNMadison28 min
Jul 12, 3:29 PM CDTSevere Thunderstorm WarningHUNJackson31 min
Jul 12, 3:50 PM CDTSpecial Weather StatementHUNMarshall25 min
Jul 12, 4:05 PM CDTSpecial Weather StatementHUNMadison40 min
Jul 12, 4:35 PM CDTSpecial Weather StatementHUNLimestone40 min
Jul 12, 4:39 PM CDTSpecial Weather StatementHUNCullman, Morgan36 min
Jul 12, 5:09 PM CDTSevere Thunderstorm WarningHUNLimestone, Morgan21 min
Jul 12, 5:13 PM CDTSpecial Weather StatementHUNCullman47 min
Jul 12, 6:00 PM CDTSpecial Weather StatementHUNCullman30 min
Jul 12, 3:13 PM CDTSpecial Weather StatementHUNFranklin47 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.