Alert archive / Alabama / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 256, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 2, 2010, 3:04 PM CDT for Coosa County, Tallapoosa County, Alabama. It was in force for 41 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
- Aug 2, 2010, 3:04 PM CDT (20:04 UTC)
- Expired
- Aug 2, 2010, 3:45 PM CDT
- In force
- 41 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Coosa County, AL, Tallapoosa County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.1 hours before the alert went out and 77 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
- 1999 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 1139 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -18 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 Birmingham, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 2, 12:21 PM CDT, 2 hours 43 minutes earlier.
Area forecast discussion, Aug 2, 12:21 PM CDT, 2 hours 43 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BIRMINGHAM AL 1221 PM CDT MON AUG 2 2010 .UPDATE...FOR 18Z AVIATION. && .DISCUSSION... EXTENSIVE CLOUD COVER OVER THE NORTHERN HALF OF GEORGIA HAS BLED INTO EXTREME REACHES OF NORTHEAST ALABAMA THIS MORNING...AND THIS IS GOING TO CHANGE THE GAME SOMEWHAT TODAY. OBVIOUSLY WITH THE CLOUD COVER AND THE EFFECTS OF THE TROUGH CAUSING THE CLOUD COVER... TEMPERATURES WILL NOT BE AS WARM ACROSS EASTERN THIRD OF THE CWA. HAVE ADJUSTED ACCORDINGLY. THE BAD NEWS IS THAT IT LOOKS LIKE WE WILL REMAIN ON TRACK FOR HIGH TEMPERATURES ACROSS THE WEST AND SOUTH...SO THE HEAT ADVISORY WILL CONTINUE. AS FAR AS PRECIP TODAY...THIS CLOUD COVER WILL ALSO DIMINISH ANY SIGNIFICANT TS DEVELOPMENT TODAY...BUT SINCE WE ONLY HAVE SLIGHT CHANCE POPS IN THIS AREA...WILL CONTINUE WITH THAT CATEGORY. CU DEVELOPMENT WILL AGAIN BE SLOW TODAY. CONVECTIVE TEMPERATURES OFF OF THE 12Z SOUNDING ARE SHOWING A 93-95 RANGE...SO WE STILL HAVE A WAYS TO GO TO HIT THAT MARK. IT WILL HAPPEN THOUGH...AND WE CAN EXPECT TO SEE SHOWERS START IN THE NOON TO 2 PM TIME FRAME...AND THUNDER TO START SHORTLY THEREAFTER. PLEASE REMEMBER WE HAVE POSTED A NUMBER OF ITEMS ON OUR HOMEPAGE CONCERNING HEAT AND HEAT RELATED ISSUES. && .AVIATION...18Z TAF DISCUSSION. VFR CONDITIONS THROUGH THE TAF PERIOD WITH LIGHT AND VARIABLE WINDS. WILL HAVE TO DEAL WITH SH/TS AGAIN THIS AFTERNOON...BUT THEY ARE EXPECTED TO BE VERY ISOLATED IN NATURE...SO WE WILL HAVE TO MONITOR AND AMEND AS NECESSARY. FOG TONIGHT WILL AGAIN DEPEND ON ANY SITE THAT RECEIVES RAINFALL... SO WILL HAVE WAIT UNTIL 00Z ISSUANCE TO SEE IF ANYBODY ACTUALLY GETS RAIN. NOTICE...KEET TAF WILL HAVE (AMD LTD TO VIS WIND AND WX) AMENDED TO THE END OF THE FORECAST THROUGH THE END OF 2010. THE CEILOMETER DATA WILL BE GOING THROUGH NUMEROUS TESTS AND MONITORED FOR ACCURACY. && .BMX WATCHES/WARNINGS/ADVISORIES... HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT TUESDAY FOR ALL OF CENTRAL ALABAMA. && 27
Hazardous weather outlook, Aug 2, 2:57 PM CDT, 7 minutes before
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</html>In the hours before
Special weather statement, Aug 2, 1:44 PM CDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 144 PM CDT MON AUG 2 2010 ALZ041-021930- AUTAUGA AL- 144 PM CDT MON AUG 2 2010 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN AUTAUGA COUNTY UNTIL 230 PM CDT... AT 142 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG THUNDERSTORM 8 MILES SOUTH OF PLECHER...OR 10 MILES NORTHEAST OF VALLEY GRANDE...MOVING SOUTH SOUTHEAST AT 10 MPH. WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... VIDA JUNCTION... MULBERRY... AUTAUGAVILLE... BOOTH... DAWSON MILL... GOGGINS
Special weather statement, Aug 2, 2:42 PM CDT, 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 242 PM CDT MON AUG 2 2010 ALZ023-031-032-022030- GREENE AL-HALE AL-TUSCALOOSA AL- 242 PM CDT MON AUG 2 2010 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN TUSCALOOSA... NORTHEASTERN GREENE AND NORTHERN HALE COUNTIES UNTIL 330 PM CDT... AT 236 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG THUNDERSTORM 7 MILES NORTHWEST OF MOUNDVILLE...OR 14 MILES SOUTHWEST OF NORTHPORT...MOVING SOUTH SOUTHEAST AT 10 MPH. WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...AS WELL AS FREQUENT CLOUD TO GROUND LIGHTNING LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... KNOXVILLE... MOUNDVILLE... AKRON... EVANSVILLE... WEDGEWORTH... GOGGINS
Special weather statement, Aug 2, 2:47 PM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 247 PM CDT MON AUG 2 2010 ALZ037-022030- TALLAPOOSA AL- 247 PM CDT MON AUG 2 2010 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN TALLAPOOSA COUNTY UNTIL 330 PM CDT... AT 248 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG THUNDERSTORM NEAR HILLABEE CREEK...OR 8 MILES NORTHEAST OF ALEXANDER CITY...MOVING SOUTH AT 10 MPH. WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... ALEXANDER CITY... DADEVILLE... HILLABEE CREEK... JACKSONS GAP... WIND CREEK STATE PARK... GOGGINS
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 2:31 PM CDT | Excessive Heat Warning | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 3 days |
| Aug 2, 2:31 PM CDT | Heat Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 13 hr |
| Aug 2, 3:19 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson, Shelby | 41 min |
| Aug 2, 4:20 PM CDT | Severe Thunderstorm Warning | BMX | Lee, Russell | 40 min |
| Aug 2, 5:05 PM CDT | Severe Thunderstorm Warning | BMX | Barbour, Bullock, Pike | 40 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2010Every severe thunderstorm warning in 2010
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.