Alert archive / Alabama / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 39, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 23, 2013, 6:57 PM CDT for Clarke County, Monroe County, Wilcox County, Alabama. It was in force for 48 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 23, 2013, 6:57 PM CDT (23:57 UTC)
- Expired
- Mar 23, 2013, 7:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Clarke County, AL, Monroe County, AL, Wilcox County, AL
The radar
The Mobile radar (KMOB), 152 km from the middle of the area, began a volume at 23:59 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 23, 12:56 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 12.0 hours before the alert went out and 158 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 517 m²/s²
- 0-3 km storm-relative helicity
- 502 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
372 WUUS54 KMOB 232357 SVRMOB ALC025-099-131-240045- /O.NEW.KMOB.SV.W.0039.130323T2357Z-130324T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 657 PM CDT SAT MAR 23 2013 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL MONROE COUNTY IN SOUTH CENTRAL ALABAMA... WILCOX COUNTY IN SOUTH CENTRAL ALABAMA... EAST CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA... * UNTIL 745 PM CDT * AT 655 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL WAS LOCATED 5 MILES SOUTHEAST OF GROVE HILL...OR NEAR WHATLEY...AND MOVING NORTHEAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... BOYKIN... YELLOW BLUFF... CAMDEN... WHATLEY... GROVE HILL... FULTON... VREDENBURGH... PRECAUTIONARY/PREPAREDNESS ACTIONS... FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SATURDAY EVENING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI. && LAT...LON 3215 8738 3185 8702 3156 8772 3169 8783 TIME...MOT...LOC 2357Z 238DEG 43KT 3167 8769 $$
1 follow-up statement
852
WWUS54 KMOB 240022
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
722 PM CDT SAT MAR 23 2013
ALC025-240031-
/O.CAN.KMOB.SV.W.0039.000000T0000Z-130324T0045Z/
CLARKE AL-
722 PM CDT SAT MAR 23 2013
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR EAST
CENTRAL CLARKE COUNTY...
AT 720 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR EAST CENTRAL
CLARKE COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT
SATURDAY EVENING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND
SOUTHEAST MISSISSIPPI.
LAT...LON 3185 8702 3168 8743 3181 8752 3181 8750
3182 8750 3183 8753 3193 8760 3215 8738
TIME...MOT...LOC 0021Z 238DEG 43KT 3182 8739
$$
ALC099-131-240045-
/O.CON.KMOB.SV.W.0039.000000T0000Z-130324T0045Z/
MONROE AL-WILCOX AL-
722 PM CDT SAT MAR 23 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR CENTRAL WILCOX AND NORTH CENTRAL MONROE COUNTIES...
AT 718 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL WAS LOCATED 15 MILES SOUTHWEST OF CAMDEN...OR 6 MILES WEST
OF VREDENBURGH...MOVING NORTHEAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
BOYKIN... YELLOW BLUFF... CAMDEN...
VREDENBURGH...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. PREPARE FOR LARGE HAIL. PEOPLE OUTSIDE SHOULD
MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT
SATURDAY EVENING FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND
SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3185 8702 3168 8743 3181 8752 3181 8750
3182 8750 3183 8753 3193 8760 3215 8738
TIME...MOT...LOC 0021Z 238DEG 43KT 3182 8739
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 10:47 PM CDT | Small Craft Advisory | MOB | 4 days | |
| Mar 23, 12:47 PM CDT | Special Marine Warning | MOB | 58 min | |
| Mar 23, 12:50 PM CDT | Special Marine Warning | MOB | 55 min | |
| Mar 23, 1:22 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 53 min |
| Mar 23, 1:43 PM CDT | Special Marine Warning | MOB | 32 min | |
| Mar 23, 3:00 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Wilcox | 60 min |
| Mar 23, 6:31 PM CDT | Marine Dense Fog Advisory | MOB | 4 hr |
Nearby
Severe Thunderstorm Warnings in Alabama, 2013Every severe thunderstorm warning in 2013
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.