Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 40, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 30, 2012, 1:54 PM CDT for Conecuh County, Alabama. It was in force for 28 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, 1:54 PM CDT (18:54 UTC)
- Expired
- Mar 30, 2012, 2:22 PM CDT
- In force
- 28 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Conecuh County, AL
The radar
The Eglin Afb radar (KEVX), 121 km from the middle of the area, began a volume at 18:55 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.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.9 hours before the alert went out and 208 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.
036
WUUS54 KMOB 301854
SVRMOB
ALC035-301945-
/O.NEW.KMOB.SV.W.0040.120330T1854Z-120330T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
154 PM CDT FRI MAR 30 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
* UNTIL 245 PM CDT
* AT 153 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 10
MILES SOUTHWEST OF EVERGREEN...OR 3 MILES SOUTHEAST OF
CASTLEBERRY...AND MOVING EAST AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
SHREVE... I65 AND US 84... I65 AND CR 6...
EVERGREEN... CASTLEBERRY...
THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 83 AND 95.
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 3125 8670 3125 8677 3126 8677 3126 8712
3138 8715 3153 8674
TIME...MOT...LOC 1854Z 257DEG 22KT 3131 8702
$$1 follow-up statement
708
WWUS54 KMOB 301922
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
222 PM CDT FRI MAR 30 2012
ALC035-301932-
/O.CAN.KMOB.SV.W.0040.000000T0000Z-120330T1945Z/
CONECUH AL-
222 PM CDT FRI MAR 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CONECUH COUNTY IS
CANCELLED...
THE THUNDERSTORM HAS WEAKENED AND WAS NO LONGER SEVERE.
LAT...LON 3125 8670 3125 8677 3126 8677 3126 8712
3138 8715 3153 8674
TIME...MOT...LOC 1922Z 257DEG 22KT 3135 8682
$$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, 3:13 PM CDT | Severe Thunderstorm Warning | MOB | Covington, Crenshaw | 20 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; radar from the NEXRAD Level II archive.