Alert archive / Alabama / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 38, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 23, 2012, 3:56 AM CDT for Conecuh County, Monroe County, Alabama. It was in force for 49 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, 2012, 3:56 AM CDT (08:56 UTC)
- Expired
- Mar 23, 2012, 4:45 AM CDT
- In force
- 49 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Conecuh County, AL, Monroe County, AL
The radar
The Mobile radar (KMOB), 139 km from the middle of the area, began a volume at 08:55 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 00:00Z, 8.9 hours before the alert went out and 186 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
- 102 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 649 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
589 WUUS54 KMOB 230856 SVRMOB ALC035-099-230945- /O.NEW.KMOB.SV.W.0038.120323T0856Z-120323T0945Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 356 AM CDT FRI MAR 23 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA... CENTRAL MONROE COUNTY IN SOUTH CENTRAL ALABAMA... * UNTIL 445 AM CDT * AT 351 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5 MILES EAST OF FRISCO CITY...OR 2 MILES EAST OF EXCEL...AND MOVING NORTHEAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... FRISCO CITY... EXCEL... LYEFFION... PRECAUTIONARY/PREPAREDNESS ACTIONS... DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 3171 8714 3155 8691 3134 8732 3142 8742 TIME...MOT...LOC 0856Z 226DEG 23KT 3144 8728 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 4:08 AM CDT | Tornado Warning | MOB | Conecuh, Monroe | 37 min |
| Mar 23, 4:37 AM CDT | Tornado Warning | MOB | Butler, Conecuh | 16 min |
| Mar 23, 6:54 AM CDT | Areal Flood Advisory | MOB | Mobile | 111 min |
| Mar 23, 8:47 AM CDT | Severe Thunderstorm Warning | MOB | Covington | 43 min |
| Mar 23, 10:01 AM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 6 days |
| Mar 23, 10:01 AM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 6 days |
| Mar 23, 10:04 AM CDT | Special Marine Warning | MOB | 86 min | |
| Mar 23, 10:57 AM CDT | Special Marine Warning | MOB | 48 min | |
| Mar 23, 1:35 PM CDT | Special Marine Warning | MOB | 55 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.