Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 38, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Mar 9, 2011, 4:38 AM CST for Marengo County, Sumter County, Alabama. It was in force for 37 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 9, 2011, 4:38 AM CST (10:38 UTC)
- Expired
- Mar 9, 2011, 5:15 AM CST
- In force
- 37 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Marengo County, AL, Sumter County, AL
The radar
The Birmingham radar (KBMX), 149 km from the middle of the area, began a volume at 10:40 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 9, 4:46 AM CST | TSTM WND DMG | 3 Nne Oakchia, AL | A FEW TREES WERE BLOWN DOWN IN EXTREME SOUTHEASTERN SUMTER COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 10.6 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1808 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 365 m²/s²
- 0-3 km storm-relative helicity
- 712 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
164
WUUS54 KBMX 091038
SVRBMX
ALC091-119-091115-
/O.NEW.KBMX.SV.W.0038.110309T1038Z-110309T1115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
438 AM CST WED MAR 9 2011
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL MARENGO COUNTY IN SOUTHWEST ALABAMA...
SOUTHEASTERN SUMTER COUNTY IN WEST CENTRAL ALABAMA...
* UNTIL 515 AM CST
* AT 435 AM CST...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED 7 MILES NORTH OF INDIAN SPRINGS...OR
14 MILES SOUTHEAST OF YORK...AND MOVING EAST AT 55 MPH.
* LOCATIONS IMPACTED INCLUDE...
LINDEN...JEFFERSON...PIN HOOK...CHICKASAW STATE PARK...US 80 AND AL
28...PROVIDENCE AND OLD SPRING HILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.
&&
TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.
LAT...LON 3243 8822 3247 8772 3225 8770 3225 8801
3228 8803 3231 8800 3231 8821
TIME...MOT...LOC 1038Z 267DEG 47KT 3235 8810
$$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, 4:59 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, 4:56 PM CST | Special Weather Statement | BMX | Winston | 34 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
Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.