Alert archive / Alabama / Special Weather Statements in 2011
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Mar 9, 2011, 4:56 PM CST for Winston County, Alabama. It was in force for 34 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
- Mar 9, 2011, 4:56 PM CST (22:56 UTC)
- Expired
- Mar 9, 2011, 5:30 PM CST
- In force
- 34 min
- Issued by
- NWS Birmingham, AL
County Winston County, AL
The radar
The Columbus AFB radar (KGWX), 92 km from the middle of the area, began a volume at 22:56 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 12:00Z, 10.9 hours before the alert went out and 132 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 743 m²/s²
- 0-3 km storm-relative helicity
- 1250 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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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 Mar 9, 3:35 PM CST, 1 hour 21 minutes earlier.
Area forecast discussion, Mar 9, 3:35 PM CST, 1 hour 21 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BIRMINGHAM AL 123 PM CST WED MAR 9 2011 ALZ011>015-017>050-101800- 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- 123 PM CST WED MAR 9 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM. .DAY ONE...THIS AFTERNOON AND TONIGHT. AS THE HEAVIER RAINFALL MOVES OFF TO THE EAST DURING THE AFTERNOON AND EVENING HOURS TONIGHT...CONTINUING AREAL AND RIVER FLOODING WILL BE LIKELY FROM CONTINUED RUNOFF. LOCAL RIVERS AND STREAMS ARE APPROACHING FLOOD STAGE OR ARE ALREADY IN MINOR FLOOD STAGE...AND WILL BE CONTINUING TO RISE THROUGH THE DAY ON THURSDAY. FOR MORE DETAILS...SEE THE LATEST RIVER STATEMENTS FOR CURRENT STAGE AND FORECAST STAGE INFORMATION. ALSO...THERE IS A SLIGHT CHANCE OF VERY ISOLATED THUNDERSTORM DEVELOPMENT ALONG A COLD FRONT THAT WILL MOVE ACROSS CENTRAL ALABAMA THIS AFTERNOON...BUT CONFIDENCE OF STORMS DEVELOPING IS VERY LOW AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. BREEZY CONDITIONS ARE EXPECTED TO REDEVELOP DURING THE DAY THURSDAY BEHIND THE FRONT. SUSTAINED WINDS OF 15 TO 25 MPH WITH HIGHER GUSTS ARE POSSIBLE. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT WILL LIKELY CONTINUE THROUGH TODAY DUE TO THE THREAT OF FLOODING ACROSS CENTRAL ALABAMA. 56/GOGGINS
In the hours before
Special weather statement, Mar 9, 3:56 PM CST, 1 hour 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 |
|---|---|---|---|---|
| Mar 8, 6:21 PM CST | Special Weather Statement | BMX | Lamar | 24 min |
| Mar 8, 7:06 PM CST | Areal Flood Warning | BMX | Lamar | 3 hr |
| Mar 8, 8:42 PM CST | Areal Flood Advisory | BMX | Greene, Hale, Marengo, Pickens, Sumter | 3 hr |
| Mar 8, 9:00 PM CST | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter | 4 days |
| Mar 8, 9:49 PM CST | River Flood Warning | BMX | Bibb, Jefferson, Shelby | 36 hr |
| Mar 8, 9:49 PM CST | River Flood Warning | BMX | Bibb, Dallas, Perry | 61 hr |
| Mar 8, 10:33 PM CST | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter | 9 days |
| Mar 8, 10:38 PM CST | River Flood Warning | BMX | Greene, Hale, Marengo | 8 days |
| Mar 8, 11:21 PM CST | Areal Flood Advisory | BMX | Greene, Hale, Lamar, Marengo, Pickens, Sumter | 3 hr |
| Mar 8, 11:55 PM CST | Special Weather Statement | BMX | Dallas, Perry | 50 min |
| Mar 9, 1:02 AM CST | Areal Flood Advisory | BMX | Fayette, Jefferson, Marion, Tuscaloosa, Walker, Winston | 3 hr |
| Mar 9, 1:15 AM CST | Special Weather Statement | BMX | Marengo | 30 min |
| Mar 9, 1:37 AM CST | Special Weather Statement | BMX | Dallas | 38 min |
| Mar 9, 2:29 AM CST | Flash Flood Warning | BMX | Fayette, Lamar, Marion, Pickens, Tuscaloosa, Walker and 1 more | 6 hr |
| Mar 9, 2:47 AM CST | Special Weather Statement | BMX | Perry | 43 min |
| Mar 9, 3:32 AM CST | Areal Flood Advisory | BMX | Greene, Hale, Marengo, Perry, Sumter | 3 hr |
| Mar 9, 3:56 AM CST | Areal Flood Advisory | BMX | Bibb, Blount, Jefferson, Shelby, Tuscaloosa | 3 hr |
| Mar 9, 4:21 AM CST | Flash Flood Warning | BMX | Bibb, Greene, Hale, Marengo, Perry, Sumter and 1 more | 6 hr |
| Mar 9, 4:38 AM CST | Severe Thunderstorm Warning | BMX | Marengo, Sumter | 37 min |
| Mar 9, 4:59 AM CST | Special Weather Statement | BMX | Bibb, Hale, Jefferson, Perry, Tuscaloosa | 46 min |
| Mar 9, 5:24 AM CST | Flash Flood Warning | BMX | Bibb, Blount, Chilton, Dallas, Jefferson, Perry and 3 more | 6 hr |
| Mar 9, 5:27 AM CST | River Flood Warning | BMX | Jefferson | 16 hr |
| Mar 9, 5:48 AM CST | Special Weather Statement | BMX | Autauga, Blount, Calhoun, Chilton, Coosa, Dallas and 5 more | 57 min |
| Mar 9, 6:00 AM CST | Flash Flood Warning | BMX | Blount, Calhoun, Cherokee, Etowah, St. Clair, Shelby and 1 more | 4 hr |
| Mar 9, 6:46 AM CST | Special Weather Statement | BMX | Clay, Coosa, Elmore, Lowndes, Montgomery, Talladega and 1 more | 59 min |
| Mar 9, 6:53 AM CST | Special Weather Statement | BMX | Clay, Coosa, Elmore, Lowndes, Montgomery, Talladega and 1 more | 52 min |
| Mar 9, 7:38 AM CST | Special Weather Statement | BMX | Bullock, Chambers, Lee, Macon, Montgomery, Pike and 1 more | 67 min |
| Mar 9, 8:25 AM CST | Areal Flood Warning | BMX | Lamar | 24 hr |
| Mar 9, 8:34 AM CST | Special Weather Statement | BMX | Barbour, Bullock, Chambers, Lee, Macon, Russell | 56 min |
| Mar 9, 8:53 AM CST | Areal Flood Advisory | BMX | Clay, Cleburne, Coosa, Talladega | 6 hr |
| Mar 9, 9:25 AM CST | River Flood Warning | BMX | Jefferson, Tuscaloosa, Walker | 59 hr |
| Mar 9, 9:46 AM CST | Severe Thunderstorm Warning | BMX | Pike | 29 min |
| Mar 9, 10:00 AM CST | Areal Flood Warning | BMX | Talladega | 12 hr |
| Mar 9, 10:03 AM CST | Tornado Warning | BMX | Barbour, Pike | 42 min |
| Mar 9, 10:40 AM CST | Areal Flood Advisory | BMX | Chambers, Randolph, Tallapoosa | 3 hr |
| Mar 9, 10:46 AM CST | Severe Thunderstorm Warning | BMX | Barbour | 29 min |
| Mar 9, 10:59 AM CST | River Flood Warning | BMX | Greene, Hale, Marengo, Tuscaloosa | 33 hr |
| Mar 9, 10:59 AM CST | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter, Tuscaloosa | 68 hr |
| Mar 9, 11:18 AM CST | Flash Flood Warning | BMX | Cleburne | 3 hr |
| Mar 9, 12:04 PM CST | River Flood Warning | BMX | Chilton, Coosa, Elmore, Shelby, Talladega | 45 hr |
| Mar 9, 3:56 PM CST | Special Weather Statement | BMX | Marion | 34 min |
| Mar 9, 4:00 PM CST | Special Weather Statement | BMX | Lamar | 30 min |
| Mar 9, 4:04 PM CST | Special Weather Statement | BMX | Pickens | 26 min |
| Mar 9, 4:24 PM CST | Special Weather Statement | BMX | Fayette | 36 min |
| Mar 9, 4:45 PM CST | Special Weather Statement | BMX | Pickens | 30 min |
| Mar 9, 5:00 PM CST | Special Weather Statement | BMX | Fayette | 30 min |
| Mar 9, 5:14 PM CST | Special Weather Statement | BMX | Fayette | 31 min |
| Mar 9, 5:31 PM CST | Special Weather Statement | BMX | Winston | 29 min |
| Mar 9, 5:36 PM CST | Special Weather Statement | BMX | Walker | 39 min |
| Mar 9, 5:46 PM CST | Special Weather Statement | BMX | Tuscaloosa | 44 min |
Nearby
Special Weather Statements in Alabama, 2011Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.