Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 41, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 30, 2012, 3:13 PM CDT for Covington County, Crenshaw County, Alabama. It was in force for 20 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
- Mar 30, 2012, 3:13 PM CDT (20:13 UTC)
- Expired
- Mar 30, 2012, 3:33 PM CDT
- In force
- 20 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Covington County, AL, Crenshaw County, AL
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 8.2 hours before the alert went out and 180 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
- 36 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
461
WUUS54 KMOB 302013
SVRMOB
ALC039-041-302045-
/O.NEW.KMOB.SV.W.0041.120330T2013Z-120330T2045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
313 PM CDT FRI MAR 30 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
SOUTHERN CRENSHAW COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 345 PM CDT
* AT 311 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 13
MILES NORTHEAST OF ANDALUSIA...OR NEAR DOZIER...AND MOVING
NORTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
GLENWOOD... DOZIER... BRANTLEY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 3146 8639 3155 8644 3179 8620 3179 8615
3178 8614 3166 8614 3163 8618 3162 8615
3162 8614 3157 8614
TIME...MOT...LOC 2013Z 233DEG 26KT 3150 8637
$$1 follow-up statement
458
WWUS54 KMOB 302033
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
333 PM CDT FRI MAR 30 2012
ALC039-041-302043-
/O.CAN.KMOB.SV.W.0041.000000T0000Z-120330T2045Z/
COVINGTON AL-CRENSHAW AL-
333 PM CDT FRI MAR 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CRENSHAW AND NORTH
CENTRAL COVINGTON COUNTIES IS CANCELLED...
LAT...LON 3146 8639 3155 8644 3179 8620 3179 8615
3178 8614 3166 8614 3163 8618 3162 8615
3162 8614 3157 8614
TIME...MOT...LOC 2033Z 233DEG 26KT 3159 8623
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 2:55 AM CDT | Dense Fog Advisory | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia, Monroe | 6 hr |
| Mar 30, 1:54 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh | 28 min |
| Mar 30, 5:39 PM CDT | Severe Thunderstorm Warning | MOB | Covington | 40 min |
| Mar 30, 5:47 PM CDT | Tornado Warning | MOB | Covington | 31 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.