Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 59, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 21, 2012, 3:08 PM CDT for Butler County, Conecuh County, Monroe 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 outline as issued.
The facts
- Issued
- May 21, 2012, 3:08 PM CDT (20:08 UTC)
- Expired
- May 21, 2012, 4:00 PM CDT
- In force
- 52 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Butler County, AL, Conecuh County, AL, Monroe County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.1 hours before the alert went out and 167 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.
410 WUUS54 KMOB 212008 SVRMOB ALC013-035-099-212100- /O.NEW.KMOB.SV.W.0059.120521T2008Z-120521T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 308 PM CDT MON MAY 21 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL BUTLER COUNTY IN SOUTH CENTRAL ALABAMA... NORTH CENTRAL CONECUH COUNTY IN SOUTH CENTRAL ALABAMA... NORTHEASTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA... * UNTIL 400 PM CDT * AT 304 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 23 MILES WEST OF GREENVILLE...OR 10 MILES EAST OF BEATRICE...AND MOVING SOUTHEAST AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... I65 AND AL 106... THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 110 AND 117. 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 3166 8670 3153 8697 3174 8708 3182 8697 TIME...MOT...LOC 2008Z 322DEG 12KT 3176 8698 $$
1 follow-up statement
753 WWUS54 KMOB 212027 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 327 PM CDT MON MAY 21 2012 ALC013-035-099-212100- /O.CON.KMOB.SV.W.0059.000000T0000Z-120521T2100Z/ BUTLER AL-CONECUH AL-MONROE AL- 327 PM CDT MON MAY 21 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR NORTHEASTERN MONROE...NORTH CENTRAL CONECUH AND WEST CENTRAL BUTLER COUNTIES... AT 322 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 16 MILES SOUTHWEST OF GREENVILLE...OR 6 MILES NORTHWEST OF I65 AND AL 106... MOVING SOUTHEAST AT 10 MPH. LOCATIONS IMPACTED INCLUDE... BEACON...I65 AND AL 106... THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 110 AND 117. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS IS A DANGEROUS STORM. PREPARE FOR DESTRUCTIVE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. && LAT...LON 3166 8670 3153 8697 3174 8708 3182 8697 TIME...MOT...LOC 2026Z 308DEG 10KT 3170 8683 $$
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, 2:54 PM CDT | Severe Thunderstorm Warning | MOB | Monroe, Wilcox | 51 min |
| May 21, 3:04 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 19 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.