Alert archive / Alabama / Special Weather Statements in 2012
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Aug 16, 2012, 1:22 PM CDT for Sumter County, Alabama. It was in force for 23 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 16, 2012, 1:22 PM CDT (18:22 UTC)
- Expired
- Aug 16, 2012, 1:45 PM CDT
- In force
- 23 min
- Issued by
- NWS Birmingham, AL
County Sumter County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.4 hours before the alert went out and 149 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
- 761 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 59 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 16, 1:12 PM CDT, 10 minutes earlier.
Area forecast discussion, Aug 16, 1:12 PM CDT, 10 minutes before
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</html>Hazardous weather outlook, Aug 16, 10:32 AM CDT, 2 hours 50 minutes before
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</html>In the hours before
Special weather statement, Aug 16, 12:36 PM CDT, 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1236 PM CDT THU AUG 16 2012 ALZ030>032-039-161800- GREENE AL-HALE AL-MARENGO AL-SUMTER AL- 1236 PM CDT THU AUG 16 2012 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN SUMTER...NORTHERN MARENGO...SOUTHWESTERN HALE AND SOUTHEASTERN GREENE COUNTIES UNTIL 100 PM CDT... AT 1236 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG THUNDERSTORM NEAR DEMOPOLIS...MOVING SOUTHEAST AT 5 MPH. PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... DEMOPOLIS... ARCOLA... OLD SPRING HILL... GALLION... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. && LAT...LON 3259 8766 3237 8777 3250 8799 3262 8792 TIME...MOT...LOC 1736Z 300DEG 5KT 3253 8787 19
Special weather statement, Aug 16, 1:22 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
122 PM CDT THU AUG 16 2012
ALZ030-161845-
SUMTER AL-
122 PM CDT THU AUG 16 2012
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN SUMTER COUNTY UNTIL 145
PM CDT...
AT 122 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A CLUSTER
OF STRONG THUNDERSTORMS 6 MILES SOUTHEAST OF YORK...MOVING SOUTHEAST
AT 10 MPH.
PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.
LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
KINTERBISH...
COATOPA...
DUG HILL...
LILITA...
BELLAMY...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
&&
LAT...LON 3256 8839 3249 8794 3247 8796 3243 8804
3238 8805 3237 8802 3234 8799 3234 8797
3233 8795 3231 8794 3231 8842
TIME...MOT...LOC 1822Z 302DEG 10KT 3242 8823
19The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 12:36 PM CDT | Special Weather Statement | BMX | Marengo | 24 min |
| Aug 16, 1:44 PM CDT | Special Weather Statement | BMX | Sumter | 31 min |
| Aug 16, 2:05 PM CDT | Areal Flood Advisory | BMX | Sumter | 115 min |
| Aug 16, 2:16 PM CDT | Special Weather Statement | BMX | Hale | 29 min |
| Aug 16, 3:00 PM CDT | Special Weather Statement | BMX | Tuscaloosa | 30 min |
| Aug 16, 3:23 PM CDT | Areal Flood Advisory | BMX | Tuscaloosa | 112 min |
| Aug 16, 3:30 PM CDT | Special Weather Statement | BMX | Marengo | 30 min |
Nearby
Special Weather Statements in Alabama, 2012Every special weather statement in 2012
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.