Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 57, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 21, 2012, 2:54 PM CDT for Monroe County, Wilcox County, Alabama. It was in force for 51 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
- May 21, 2012, 2:54 PM CDT (19:54 UTC)
- Expired
- May 21, 2012, 3:45 PM CDT
- In force
- 51 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Monroe County, AL, Wilcox County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 7.9 hours before the alert went out and 153 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
- 468 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1309 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
205 WUUS54 KMOB 211954 SVRMOB ALC099-131-212045- /O.NEW.KMOB.SV.W.0057.120521T1954Z-120521T2045Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 254 PM CDT MON MAY 21 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA... SOUTH CENTRAL WILCOX COUNTY IN SOUTH CENTRAL ALABAMA... * UNTIL 345 PM CDT * AT 250 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 6 MILES SOUTH OF CAMDEN...OR 5 MILES NORTHEAST OF COY...AND MOVING SOUTHEAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... BEATRICE... PEBBLE HILL... WATSONVILLE... PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS AND LARGE HAIL. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. && LAT...LON 3181 8698 3167 8719 3192 8740 3202 8730 TIME...MOT...LOC 1953Z 315DEG 20KT 3192 8730 $$
1 follow-up statement
404 WWUS54 KMOB 212015 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 315 PM CDT MON MAY 21 2012 ALC099-131-212045- /O.CON.KMOB.SV.W.0057.000000T0000Z-120521T2045Z/ MONROE AL-WILCOX AL- 315 PM CDT MON MAY 21 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR SOUTH CENTRAL WILCOX AND NORTHEASTERN MONROE COUNTIES... AT 314 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 11 MILES SOUTH OF CAMDEN...OR 6 MILES EAST OF COY...MOVING SOUTHEAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... BEATRICE...BUENA VISTA...AND NADAWAH. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS AND LARGE HAIL. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. TO REPORT SEVERE WEATHER...CALL (800) 284-9059. && LAT...LON 3197 8723 3181 8698 3167 8719 3187 8736 TIME...MOT...LOC 2013Z 315DEG 20KT 3183 8723 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 2:03 PM CDT | Special Marine Warning | MOB | 87 min | |
| May 21, 3:04 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 19 min |
| May 21, 3:08 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Monroe | 52 min |
| May 21, 3:11 PM CDT | Special Marine Warning | MOB | 59 min | |
| May 21, 3:36 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Clarke, Conecuh, Covington, Crenshaw, Monroe and 1 more | 54 min |
| May 21, 4:26 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 64 min |
| May 21, 4:32 PM CDT | Special Marine Warning | MOB | 88 min | |
| May 21, 4:54 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia, Mobile | 51 min |
| May 21, 5:48 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Escambia, Mobile | 57 min |
| May 21, 6:56 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 64 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; the sounding from the Mesonet's radiosonde archive.