Alert archive / Alabama / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 260, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 4, 2010, 3:35 PM CDT for Barbour County, Lee County, Russell County, Alabama. It was in force for 40 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 4, 2010, 3:35 PM CDT (20:35 UTC)
- Expired
- Aug 4, 2010, 4:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Barbour County, AL, Lee County, AL, Russell County, AL
The nearest sounding before it
Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 8.6 hours before the alert went out and 227 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
- 1144 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 878 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
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 4, 3:20 PM CDT, 15 minutes earlier.
Area forecast discussion, Aug 4, 3:20 PM CDT, 15 minutes before
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</html>Hazardous weather outlook, Aug 4, 1:00 PM CDT, 2 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BIRMINGHAM AL 100 PM CDT WED AUG 4 2010 ALZ011>015-017>050-051200- AUTAUGA-BARBOUR-BIBB-BLOUNT-BULLOCK-CALHOUN-CHAMBERS-CHEROKEE- CHILTON-CLAY-CLEBURNE-COOSA-DALLAS-ELMORE-ETOWAH-FAYETTE-GREENE-HALE- JEFFERSON-LAMAR-LEE-LOWNDES-MACON-MARENGO-MARION-MONTGOMERY-PERRY- PICKENS-PIKE-RANDOLPH-RUSSELL-SHELBY-ST CLAIR-SUMTER-TALLADEGA- TALLAPOOSA-TUSCALOOSA-WALKER-WINSTON- 100 PM CDT WED AUG 4 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM. .DAY ONE...THIS AFTERNOON AND TONIGHT. AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FOR ALL OF CENTRAL ALABAMA. AFTERNOON HIGHS WILL ONCE AGAIN BE IN THE UPPER 90S TO LOWER 100S...WITH HEAT INDICES OF 108 TO 115 DEGREES. OVERNIGHT LOWS WILL ONLY FALL INTO THE MID TO UPPER 70S ONCE AGAIN...PROVIDING LITTLE RELIEF FROM THE HEAT. STRONG STORMS WILL BE POSSIBLE ACROSS ALL OF CENTRAL ALABAMA THROUGH 8 PM THIS EVENING. THE MAIN THREAT WILL BE WIND GUSTS UP TO 50 MPH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT THROUGH THURSDAY. HEAT INDICES OF 108 TO 115 DEGREES WILL BE LIKELY AGAIN ON THURSDAY AFTERNOON...AND OVERNIGHT LOWS WILL ONLY DROP INTO THE MIDDLE TO UPPER 70S. TEMPERATURES ARE EXPECTED TO BE A COUPLE OF DEGREES COOLER ON FRIDAY...BUT STILL HOT...SO A HEAT ADVISORY HAS BEEN ISSUED FOR FRIDAY AND MAY NEED TO BE EXTENDED INTO THE WEEKEND. HEAT INDICES WILL BE IN THE 105 TO 112 DEGREE RANGE IN MANY LOCATIONS. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Aug 4, 2:48 PM CDT, 47 minutes before
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</html>Special weather statement, Aug 4, 3:19 PM CDT, 16 minutes before
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</html>Special weather statement, Aug 4, 3:22 PM CDT, 13 minutes before
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</html>The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 3:33 AM CDT | Heat Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 63 hr |
| Aug 4, 6:37 PM CDT | Areal Flood Advisory | BMX | Sumter | 113 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.