Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 198, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Sep 4, 2012, 7:21 PM CDT for George County, Greene County, Wayne County, Mississippi; Mobile County, Washington County, Alabama. It was in force for 54 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
- Sep 4, 2012, 7:21 PM CDT (00:21 UTC)
- Expired
- Sep 4, 2012, 8:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Mobile County, AL, Washington County, AL, George County, MS, Greene County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 52 km from the middle of the area, began a volume at 00:23 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 0.4 hours before the alert went out and 152 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
- 2069 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1149 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
286 WUUS54 KMOB 050021 SVRMOB ALC097-129-MSC039-041-153-050115- /O.NEW.KMOB.SV.W.0198.120905T0021Z-120905T0115Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 721 PM CDT TUE SEP 4 2012 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI... EASTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI... SOUTHEASTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI... NORTHWESTERN MOBILE COUNTY IN SOUTHWEST ALABAMA... WESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA... * UNTIL 815 PM CDT * AT 719 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OVER 60 MPH WAS LOCATED 12 MILES WEST OF CHATOM...OR 5 MILES NORTH OF STATE LINE...AND MOVING SOUTH AT 45 MPH. * LOCATIONS IMPACTED INCLUDE... STATE LINE... BUCKATUNNA... LEAKESVILLE... LUCEDALE... VINEGAR BEND... FRUITDALE... LAT...LON 3077 8833 3085 8876 3159 8857 3156 8831 TIME...MOT...LOC 0022Z 006DEG 40KT 3147 8845 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 7:31 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry, Wayne | 59 min |
| Sep 4, 7:39 PM CDT | Severe Thunderstorm Warning | MOB | Stone | 21 min |
| Sep 4, 8:06 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene | 34 min |
| Sep 4, 8:22 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene | 18 min |
| Sep 4, 7:04 PM CDT | Special Marine Warning | MOB | 86 min | |
| Sep 4, 7:17 PM CDT | Special Marine Warning | MOB | 58 min | |
| Sep 4, 8:39 PM CDT | Special Marine Warning | MOB | 50 min | |
| Sep 4, 9:10 PM CDT | Special Marine Warning | MOB | 73 min | |
| Sep 4, 9:34 PM CDT | Special Marine Warning | MOB | 56 min | |
| Sep 4, 9:40 PM CDT | Special Marine Warning | MOB | 41 min | |
| Sep 4, 10:22 PM CDT | Special Marine Warning | MOB | 83 min | |
| Sep 5, 2:16 AM CDT | Areal Flood Advisory | MOB | Mobile | 59 min |
| Sep 5, 11:06 AM CDT | River Flood Warning | MOB | Covington, Escambia | 33 hr |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2012Severe 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.