Alert archive / Alabama / Special Weather Statements in 2015
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Aug 10, 2015, 1:55 PM CDT for Cherokee County, Alabama. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 10, 2015, 1:55 PM CDT (18:55 UTC)
- Expired
- Aug 10, 2015, 2:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Birmingham, AL
County Cherokee County, AL
The radar
The Northeast Alabama radar (KHTX), 81 km from the middle of the area, began a volume at 18:55 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.9 hours before the alert went out and 148 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
- 374 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1079 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 10, 12:55 PM CDT, 1 hour earlier.
Area forecast discussion, Aug 10, 12:55 PM CDT, 1 hour before
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</html>Hazardous weather outlook, Aug 10, 4:58 AM CDT, 8 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BIRMINGHAM AL 458 AM CDT MON AUG 10 2015 ALZ011>015-017>050-111300- MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN-CHEROKEE- CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR-TALLADEGA- CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON-COOSA-TALLAPOOSA- CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE-MONTGOMERY-MACON- BULLOCK-LEE-RUSSELL-PIKE-BARBOUR- 458 AM CDT MON AUG 10 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM. .DAY ONE...OUTLOOK THROUGH TONIGHT. THE HEAT AND HUMIDITY WILL LEAD TO MAXIMUM HEAT INDICES OF 105 TO 109 DEGREES THIS AFTERNOON ACROSS MUCH OF CENTRAL ALABAMA...GENERALLY ALONG AND WEST OF A ONEONTA...TALLADEGA...LINEVILLE...AND LAFAYETTE LINE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE HEAT AND HUMIDITY WILL CONTINUE TO LEAD TO HEAT INDICES NEAR OR ABOVE 105 DEGREES ON TUESDAY ACROSS PORTIONS OF SOUTH AND WEST CENTRAL ALABAMA. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Aug 10, 12:34 PM CDT, 1 hour 21 minutes before
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</html>Special weather statement, Aug 10, 1:38 PM CDT, 17 minutes before
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</html>Special weather statement, Aug 10, 1:55 PM CDT, 0 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 10, 12:34 PM CDT | Special Weather Statement | BMX | Tuscaloosa | 41 min |
| Aug 10, 1:38 PM CDT | Special Weather Statement | BMX | Tuscaloosa | 52 min |
| Aug 10, 2:02 PM CDT | Special Weather Statement | BMX | Etowah | 43 min |
| Aug 10, 3:54 PM CDT | Special Weather Statement | BMX | Marshall | 36 min |
| Aug 10, 4:10 PM CDT | Special Weather Statement | BMX | DeKalb | 50 min |
| Aug 10, 4:34 PM CDT | Special Weather Statement | BMX | Etowah | 56 min |
| Aug 10, 4:46 PM CDT | Areal Flood Advisory | BMX | Blount | 3 hr |
| Aug 10, 5:29 PM CDT | Special Weather Statement | BMX | Calhoun, Cherokee | 61 min |
| Aug 10, 5:37 PM CDT | Special Weather Statement | BMX | Blount | 53 min |
| Aug 10, 5:49 PM CDT | Special Weather Statement | BMX | Jefferson | 56 min |
| Aug 10, 6:15 PM CDT | Special Weather Statement | BMX | Winston | 30 min |
| Aug 10, 6:18 PM CDT | Special Weather Statement | BMX | Cleburne | 57 min |
| Aug 10, 6:25 PM CDT | Special Weather Statement | BMX | Randolph | 65 min |
| Aug 10, 6:30 PM CDT | Severe Thunderstorm Warning | BMX | Clay, Cleburne, Randolph | 60 min |
| Aug 10, 6:36 PM CDT | Special Weather Statement | BMX | Winston | 39 min |
| Aug 10, 6:39 PM CDT | Special Weather Statement | BMX | Jefferson | 66 min |
Nearby
Special Weather Statements in Alabama, 2015Every special weather statement in 2015
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.