Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 201, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Sep 4, 2012, 8:06 PM CDT for George County, Greene County, Mississippi; Mobile County, Washington County, Alabama. It was in force for 34 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, 8:06 PM CDT (01:06 UTC)
- Expired
- Sep 4, 2012, 8:40 PM CDT
- In force
- 34 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Mobile County, AL, Washington County, AL, George County, MS, Greene County, MS
The radar
The Mobile radar (KMOB), 26 km from the middle of the area, began a volume at 01:07 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, 1.1 hours before the alert went out and 131 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.
199
WUUS54 KMOB 050106
SVRMOB
ALC097-129-MSC039-041-050200-
/O.NEW.KMOB.SV.W.0201.120905T0106Z-120905T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
806 PM CDT TUE SEP 4 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHEASTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
WESTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
SOUTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 900 PM CDT
* AT 802 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM
9 MILES SOUTHWEST OF LEAKESVILLE TO 6 MILES SOUTHWEST OF
CITRONELLE...AND MOVING SOUTH AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
GRAND BAY... LEAKESVILLE... LUCEDALE...
LAT...LON 3073 8842 3073 8885 3123 8869 3117 8828
3046 8834 3045 8840
TIME...MOT...LOC 0106Z 013DEG 36KT 3104 8870 3101 8832
$$2 follow-up statements
708
WWUS54 KMOB 050120
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
820 PM CDT TUE SEP 4 2012
ALC129-MSC041-050130-
/O.CAN.KMOB.SV.W.0201.000000T0000Z-120905T0200Z/
WASHINGTON AL-GREENE MS-
820 PM CDT TUE SEP 4 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR
SOUTHEASTERN GREENE AND SOUTHWESTERN WASHINGTON COUNTIES...
AT 816 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN
GREENE AND SOUTHWESTERN WASHINGTON COUNTIES HAS MOVED OUT OF THE
COUNTY...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3073 8842 3074 8865 3100 8864 3100 8843
3101 8842 3101 8830 3046 8834 3045 8840
TIME...MOT...LOC 0120Z 001DEG 35KT 3091 8862 3093 8831
$$
ALC097-MSC039-050200-
/O.CON.KMOB.SV.W.0201.000000T0000Z-120905T0200Z/
GEORGE MS-MOBILE AL-
820 PM CDT TUE SEP 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WESTERN MOBILE AND EASTERN GEORGE COUNTIES...
AT 816 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 3
MILES NORTHWEST OF LUCEDALE TO 10 MILES SOUTHWEST OF CITRONELLE...
MOVING SOUTH AT 40 MPH.
LOCATIONS IMPACTED INCLUDE...
GRAND BAY... LUCEDALE...
LAT...LON 3073 8842 3074 8865 3100 8864 3100 8843
3101 8842 3101 8830 3046 8834 3045 8840
TIME...MOT...LOC 0120Z 001DEG 35KT 3091 8862 3093 8831
$$509
WWUS54 KMOB 050140 RRA
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
840 PM CDT TUE SEP 4 2012
ALC097-MSC039-050150-
/O.CAN.KMOB.SV.W.0201.000000T0000Z-120905T0200Z/
GEORGE MS-MOBILE AL-
840 PM CDT TUE SEP 4 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR WESTERN
MOBILE AND EASTERN GEORGE COUNTIES...
AT 836 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR WESTERN
MOBILE AND EASTERN GEORGE COUNTIES HAS WEAKENED TO BELOW SEVERE
LIMITS...THUS THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3073 8842 3074 8865 3100 8864 3100 8843
3101 8842 3101 8830 3046 8834 3045 8840
TIME...MOT...LOC 0140Z 001DEG 35KT 3072 8862 3074 8831
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 7:21 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene, Wayne | 54 min |
| 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, 8:22 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.