Alert archive / Alabama / Special Weather Statements in 2016
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Jul 21, 2016, 9:55 PM CDT for Clay County, Talladega County, Alabama. It was in force for 50 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
- Jul 21, 2016, 9:55 PM CDT (02:55 UTC)
- Expired
- Jul 21, 2016, 10:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Birmingham, AL
Counties Clay County, AL, Talladega County, AL
The radar
The Birmingham radar (KBMX), 60 km from the middle of the area, began a volume at 02:57 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
Birmingham, AL (KBMX), launched 00:00Z, 2.9 hours before the alert went out and 61 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
- 1430 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 1510 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.6
The text
As transmitted.
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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 Jul 21, 9:28 PM CDT, 27 minutes earlier.
Area forecast discussion, Jul 21, 9:28 PM CDT, 27 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BIRMINGHAM AL 1059 AM CDT THU JUL 21 2016 ALZ011>015-017>050-221900- 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- 1059 AM CDT THU JUL 21 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM. .DAY ONE...OUTLOOK THROUGH TONIGHT. HEAT INDICES ARE FORECAST TO BE ABOVE 105 DEGREES THIS AFTERNOON FOR PORTIONS OF SOUTH AND WEST CENTRAL ALABAMA. THOSE WHO MUST BE OUTSIDE SHOULD TAKE PROPER SAFETY PRECAUTIONS. DRINK PLENTY OF WATER AND TAKE FREQUENT BREAKS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. DAYTIME TEMPERATURES ARE FORECAST TO CLIMB INTO THE MIDDLE TO UPPER 90S THROUGH THE END OF THE WEEK AND INTO THE WEEKEND. HEAT INDICES COULD REACH 105 DEGREES OR HIGHER EACH AFTERNOON... ESPECIALLY ACROSS THE SOUTHERN AND WESTERN PORTIONS OF CENTRAL ALABAMA. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Jul 21, 9:02 PM CDT, 53 minutes before
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</html>Special weather statement, Jul 21, 9:55 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 |
|---|---|---|---|---|
| Jul 21, 7:39 PM CDT | Special Weather Statement | BMX | Marengo | 36 min |
| Jul 21, 7:58 PM CDT | Special Weather Statement | BMX | Randolph | 47 min |
| Jul 21, 8:06 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Clay, Cleburne, Randolph | 24 min |
| Jul 21, 8:14 PM CDT | Special Weather Statement | BMX | Marengo | 31 min |
| Jul 21, 8:20 PM CDT | Areal Flood Advisory | BMX | Montgomery | 115 min |
| Jul 21, 8:29 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Clay, Cleburne, Randolph | 46 min |
| Jul 21, 8:46 PM CDT | Special Weather Statement | BMX | Talladega | 29 min |
| Jul 21, 8:48 PM CDT | Special Weather Statement | BMX | Chambers, Lee | 42 min |
| Jul 21, 8:51 PM CDT | Special Weather Statement | BMX | Etowah | 24 min |
| Jul 21, 8:58 PM CDT | Special Weather Statement | BMX | Calhoun | 32 min |
| Jul 21, 9:12 PM CDT | Special Weather Statement | BMX | Cherokee | 48 min |
| Jul 21, 9:21 PM CDT | Special Weather Statement | BMX | Etowah | 24 min |
| Jul 21, 9:22 PM CDT | Special Weather Statement | BMX | Clay | 38 min |
| Jul 21, 9:25 PM CDT | Special Weather Statement | BMX | Coosa | 50 min |
| Jul 21, 10:00 PM CDT | Special Weather Statement | BMX | Chilton, Coosa | 30 min |
| Jul 21, 10:02 PM CDT | Special Weather Statement | BMX | Calhoun, Cherokee | 28 min |
| Jul 21, 10:32 PM CDT | Special Weather Statement | BMX | Chilton, Coosa, Shelby | 28 min |
| Jul 21, 10:34 PM CDT | Special Weather Statement | BMX | Calhoun, St. Clair | 26 min |
| Jul 21, 11:02 PM CDT | Special Weather Statement | BMX | Chilton | 28 min |
| Jul 21, 11:25 PM CDT | Special Weather Statement | BMX | Cleburne | 35 min |
| Jul 21, 11:28 PM CDT | Special Weather Statement | BMX | Bibb, Chilton | 47 min |
| Jul 22, 12:02 AM CDT | Special Weather Statement | BMX | Autauga, Perry | 43 min |
| Jul 22, 4:14 PM CDT | Special Weather Statement | BMX | Marion | 31 min |
| Jul 22, 4:42 PM CDT | Special Weather Statement | BMX | Marion | 48 min |
| Jul 22, 4:47 PM CDT | Special Weather Statement | BMX | Sumter | 28 min |
| Jul 22, 4:48 PM CDT | Special Weather Statement | BMX | Winston | 27 min |
| Jul 22, 5:09 PM CDT | Special Weather Statement | BMX | Pickens | 36 min |
| Jul 22, 5:20 PM CDT | Special Weather Statement | BMX | Jefferson | 40 min |
| Jul 22, 5:28 PM CDT | Special Weather Statement | BMX | Walker | 47 min |
| Jul 22, 5:31 PM CDT | Special Weather Statement | BMX | Winston | 44 min |
| Jul 22, 5:39 PM CDT | Special Weather Statement | BMX | Lamar | 36 min |
| Jul 22, 6:00 PM CDT | Special Weather Statement | BMX | Walker | 30 min |
| Jul 22, 6:31 PM CDT | Special Weather Statement | BMX | Jefferson | 29 min |
| Jul 22, 6:58 PM CDT | Special Weather Statement | BMX | Jefferson | 32 min |
| Jul 22, 6:59 PM CDT | Special Weather Statement | BMX | Tuscaloosa | 31 min |
Nearby
Special Weather Statements in Alabama, 2016Every special weather statement in 2016
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.