Alert archive / Alabama / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 266, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at May 27, 2009, 6:53 PM CDT for Winston County, Alabama. It was in force for 52 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
- May 27, 2009, 6:53 PM CDT (23:53 UTC)
- Expired
- May 27, 2009, 7:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
County Winston County, AL
The radar
The Columbus AFB radar (KGWX), 92 km from the middle of the area, began a volume at 23:56 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, 11.9 hours before the alert went out and 121 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
- 578 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 466 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 61 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 May 27, 6:40 PM CDT, 13 minutes earlier.
Area forecast discussion, May 27, 6:40 PM CDT, 13 minutes before
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</html>Hazardous weather outlook, May 27, 1:30 PM CDT, 5 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BIRMINGHAM AL 130 PM CDT WED MAY 27 2009 ALZ011>015-017>050-281828- 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- 130 PM CDT WED MAY 27 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM. .DAY ONE...THIS AFTERNOON AND TONIGHT. A FEW STRONG THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING... FROM 2 PM UNTIL 8 PM...PRODUCING WIND GUSTS OF 40 MPH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ON THURSDAY... PRODUCING DAMAGING STRAIGHT LINE WINDS AND LARGE HAIL. THE PRIMARY RISK AREA WILL BE AREAS ALONG AND SOUTH OF I-20...MAINLY BETWEEN 2 PM UNTIL 8 PM. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT MAY BE NECESSARY ON THURSDAY.
In the hours before
Special weather statement, May 27, 5:23 PM CDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 523 PM CDT WED MAY 27 2009 ALZ013-272300- FAYETTE- 523 PM CDT WED MAY 27 2009 ...SIGNIFICANT WEATHER ALERT FOR WESTERN FAYETTE COUNTY UNTIL 600 PM CDT... AT 522 PM CDT...THE NATIONAL WEATHER SERVICE IS TRACKING A STRONG THUNDERSTORM NEAR BLOOMING GROVE...OR 7 MILES NORTHWEST OF FAYETTE... MOVING NORTHEAST AT 15 MPH. SMALL HAIL...WINDS UP TO 30 MPH...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... BLUFF. RICHARD ARTHUR FIELD. HUBBERTVILLE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. KSL
Special weather statement, May 27, 5:37 PM CDT, 1 hour 16 minutes before
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</html>Special weather statement, May 27, 5:44 PM CDT, 1 hour 9 minutes before
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</html>Local storm report, May 27, 5:54 PM CDT, 59 minutes before
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</html>Local storm report, May 27, 6:47 PM CDT, 6 minutes before
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</html>Local storm report, May 27, 6:52 PM CDT, 1 minute 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 |
|---|---|---|---|---|
| May 27, 2:36 PM CDT | Severe Thunderstorm Warning | BMX | Greene | 39 min |
| May 27, 3:27 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Sumter | 33 min |
| May 27, 3:33 PM CDT | Areal Flood Advisory | BMX | Greene, Sumter | 3 hr |
| May 27, 3:53 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Sumter | 37 min |
| May 27, 4:06 PM CDT | Areal Flood Advisory | BMX | Dallas, Marengo, Perry | 3 hr |
| May 27, 4:16 PM CDT | Severe Thunderstorm Warning | BMX | Hale, Perry | 44 min |
| May 27, 4:28 PM CDT | Severe Thunderstorm Warning | BMX | Marengo | 29 min |
| May 27, 4:35 PM CDT | Severe Thunderstorm Warning | BMX | Greene, Sumter | 40 min |
| May 27, 4:54 PM CDT | Severe Thunderstorm Warning | BMX | Lamar | 31 min |
| May 27, 5:20 PM CDT | Areal Flood Advisory | BMX | Autauga, Chilton | 115 min |
| May 27, 5:25 PM CDT | Severe Thunderstorm Warning | BMX | Autauga, Chilton | 50 min |
| May 27, 6:01 PM CDT | Areal Flood Advisory | BMX | Marengo | 3 hr |
| May 27, 6:16 PM CDT | Severe Thunderstorm Warning | BMX | Winston | 44 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2009Every severe thunderstorm warning in 2009
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.