Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 28, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 2, 2012, 4:27 PM CST for Choctaw County, Clarke County, Alabama. It was in force for 48 min. 2 reports 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 2, 2012, 4:27 PM CST (22:27 UTC)
- Expired
- Mar 2, 2012, 5:15 PM CST
- In force
- 48 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Choctaw County, AL, Clarke County, AL
The radar
The Mobile radar (KMOB), 140 km from the middle of the area, began a volume at 22:30 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 2, 4:39 PM CST | HAIL 0.75 | Cunningham, AL | PENNY TO DIME SIZE. |
| Mar 2, 4:39 PM CST | HAIL 1 | Cunningham, AL | CLARKE COUNTY EMERGENCY MANAGER REPORTED QUARTER SIZE HAIL IN CUNNINGHAM. |
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 12:00Z, 10.5 hours before the alert went out and 182 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
- 544 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 530 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
661
WUUS54 KMOB 022227
SVRMOB
ALC023-025-022315-
/O.NEW.KMOB.SV.W.0028.120302T2227Z-120302T2315Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
427 PM CST FRI MAR 2 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
NORTHWESTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 515 PM CST
* AT 425 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 18 MILES SOUTH OF BUTLER...OR 5
MILES NORTHEAST OF SILAS...AND MOVING NORTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
ROCK SPRINGS... SPRING HILL... PLEASANT HILL...
FLATWOOD... OPINE... SMYER...
GLOVER... FAILETOWN... CUNNINGHAM...
&&
LAT...LON 3199 8806 3199 8772 3193 8768 3175 8827
3186 8834 3200 8808
TIME...MOT...LOC 2228Z 243DEG 27KT 3184 8823
$$1 follow-up statement
580
WWUS54 KMOB 022251
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
451 PM CST FRI MAR 2 2012
ALC023-022301-
/O.CAN.KMOB.SV.W.0028.000000T0000Z-120302T2315Z/
CHOCTAW AL-
451 PM CST FRI MAR 2 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHOCTAW COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CST SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3199 8772 3193 8768 3180 8812 3190 8813
3193 8805 3194 8807 3192 8809 3194 8811
3197 8810 3195 8808 3199 8807
TIME...MOT...LOC 2251Z 243DEG 27KT 3192 8805
$$
ALC025-022315-
/O.CON.KMOB.SV.W.0028.000000T0000Z-120302T2315Z/
CLARKE AL-
451 PM CST FRI MAR 2 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CST
FOR NORTHWESTERN CLARKE COUNTY...
AT 447 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR CUNNINGHAM...OR 15 MILES SOUTHEAST OF BUTLER...MOVING
NORTHEAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
FAILETOWN...CAMPBELL...MORVIN...OPINE...TALLAHATTA SPRINGS...BASHI...
GLOVER AND CHOCTAW CORNER
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CST SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3199 8772 3193 8768 3180 8812 3190 8813
3193 8805 3194 8807 3192 8809 3194 8811
3197 8810 3195 8808 3199 8807
TIME...MOT...LOC 2251Z 243DEG 27KT 3192 8805
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 3:40 PM CST | Small Craft Advisory | MOB | 26 hr | |
| Mar 2, 3:55 PM CST | Tornado Warning | MOB | Clarke, Wilcox | 50 min |
| Mar 2, 4:26 PM CST | Tornado Warning | MOB | Monroe, Wilcox | 49 min |
| Mar 2, 4:43 PM CST | Tornado Warning | MOB | Covington | 17 min |
| Mar 2, 4:57 PM CST | Tornado Warning | MOB | Clarke | 33 min |
| Mar 2, 5:03 PM CST | Tornado Warning | MOB | Baldwin, Conecuh, Escambia, Monroe | 42 min |
| Mar 2, 5:16 PM CST | Tornado Warning | MOB | Covington | 29 min |
| Mar 2, 5:17 PM CST | Tornado Warning | MOB | Clarke, Wilcox | 58 min |
| Mar 2, 5:35 PM CST | Tornado Warning | MOB | Choctaw, Clarke | 19 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.