Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 3, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 1, 2011, 3:09 PM CST for 5 counties in Mississippi; Choctaw County, Clarke County, Washington County, Alabama. It was in force for 51 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
- Feb 1, 2011, 3:09 PM CST (21:09 UTC)
- Expired
- Feb 1, 2011, 4:00 PM CST
- In force
- 51 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Choctaw County, AL, Clarke County, AL, Washington County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 89 km from the middle of the area, began a volume at 21:12 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 |
|---|---|---|---|
| Feb 1, 1:03 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.2 hours before the alert went out and 154 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
- 464 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 437 m²/s²
- 0-3 km storm-relative helicity
- 526 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
957
WUUS54 KMOB 012109
SVRMOB
ALC023-025-129-MSC039-041-111-131-153-012200-
/O.NEW.KMOB.SV.W.0003.110201T2109Z-110201T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
309 PM CST TUE FEB 1 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF LEAKESVILLE...
PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF RICHTON...
STONE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF WIGGINS...
WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF WAYNESBORO...
SOUTHERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITY OF BUTLER...
NORTHWESTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
NORTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 400 PM CST
* AT 302 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 13 MILES WEST OF WAYNESBORO TO 10 MILES SOUTHEAST OF PETAL
TO 25 MILES WEST OF WIGGINS...AND WAS MOVING TO THE EAST AT
40 MPH. INDIVIDUAL THUNDERSTORMS ALONG THE LINE WERE
MOVING NORTHEAST AROUND 55 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
NEW AUGUSTA AROUND 315 PM CST...
WIGGINS AND WAYNESBORO AROUND 320 PM CST...
BEAUMONT AROUND 325 PM CST...
NEEDHAM AROUND 330 PM CST...
BUTLER...MCLAIN...TOXEY AND GILBERTOWN AROUND 335 PM CST...
SILAS AROUND 340 PM CST...
THE PRIMARY THREAT FROM THIS LNE OF STORMS IS WIND GUSTS BETWEEN
60 AND 65 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3092 8914 3143 8914 3144 8893 3184 8881
3189 8848 3203 8847 3213 8804 3209 8804
3206 8811 3202 8811 3200 8796 3074 8876
3073 8886 3068 8888 3068 8922 3065 8923
3065 8933 3091 8934
TIME...MOT...LOC 2107Z 237DEG 73KT 3174 8876 3134 8900
3107 8921 3082 8944
$$2 follow-up statements
282
WWUS54 KMOB 012134
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
334 PM CST TUE FEB 1 2011
ALC023-025-129-MSC039-041-111-131-153-012200-
/O.CON.KMOB.SV.W.0003.000000T0000Z-110201T2200Z/
WASHINGTON AL-CLARKE AL-CHOCTAW AL-GEORGE MS-STONE MS-PERRY MS-
GREENE MS-WAYNE MS-
334 PM CST TUE FEB 1 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST
FOR WAYNE...GREENE...PERRY...STONE...WESTERN GEORGE...SOUTHERN
CHOCTAW...NORTHWESTERN CLARKE AND NORTHWESTERN WASHINGTON COUNTIES...
AT 326 PM CST...NATIONAL WEATHER SERVICE RADAR CONTINUED TO INDICATE
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS
OVER 60 MPH. THESE STORMS WERE ALONG A LINE EXTENDING FROM 15 MILES
EAST OF QUITMAN TO 9 MILES NORTHEAST OF WAYNESBORO TO 16 MILES SOUTH
OF RICHTON TO 8 MILES WEST OF WIGGINS...MOVING EAST AT 35 TO 40 MPH.
INDIVIDUAL STORMS WERE MOVING TO THE NORTHEAST ALONG THE THUNDERSTORM
LINE AT 55 MPH.
THE MOST INTENSE STORMS ALONG THE LINE WERE MOVING INTO SOUTHWEST
CHOCTAW COUNTY ALABAMA AND INTO EASTERN PERRY COUNTY OF MISSISSIPPI.
SEVERE THUNDERSTORMS WILL BE NEAR...
RAMSEY SPRINGS AROUND 335 PM CST...
DEEP CREEK...OAK GROVE...LITTLE CREEK AND BARBARA AROUND 340 PM
CST...
DALE...CROSSROADS...BENNDALE AND PROGRESS AROUND 345 PM CST...
MERRILL AROUND 350 PM CST...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY ON THE LOWEST
FLOOR OF A STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A
ROOM SUCH AS A CLOSET OR BATHROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3092 8914 3127 8913 3144 8895 3144 8893
3148 8892 3185 8870 3189 8848 3203 8847
3213 8804 3209 8804 3206 8811 3202 8811
3200 8796 3074 8876 3073 8886 3068 8888
3068 8922 3065 8923 3065 8933 3091 8934
TIME...MOT...LOC 2131Z 237DEG 73KT 3207 8837 3183 8844
3155 8864 3118 8889 3091 8917
$$922
WWUS54 KMOB 012146
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
346 PM CST TUE FEB 1 2011
ALC023-025-129-MSC039-041-111-131-153-012200-
/O.CON.KMOB.SV.W.0003.000000T0000Z-110201T2200Z/
WASHINGTON AL-CLARKE AL-CHOCTAW AL-GEORGE MS-STONE MS-PERRY MS-
GREENE MS-WAYNE MS-
346 PM CST TUE FEB 1 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST
FOR EASTERN WAYNE...GREENE...SOUTHEASTERN PERRY...STONE...WESTERN
GEORGE...SOUTHERN CHOCTAW...NORTHWESTERN CLARKE AND NORTHWESTERN
WASHINGTON COUNTIES...
AT 345 PM CST... CAPABLE OF PRODUCING DAMAGING WINDS OVER 60 MPH.
THESE STORMS WERE ALONG A LINE EXTENDING FROM FROM BUTLER TO 19
MILES SOUTH OF BUTLER TO 13 MILES SOUTHEAST OF RICHTON TO 10 MILES
SOUTHWEST OF WIGGINS...MOVING NORTHEAST AT 40 MPH. INDIVIDUAL
THUNDERSTORMS WERE MOVING NORTHEAST AT 55 MPH.
THE MOST INTENSE THUNDERSTORMS ALONG THE LINE WERE LOCATED OVER
SOUTHERN CHOCTAW COUNTY ALABAMA AND ALSO OVER NORTHEAST GREENE
COUNTY OF MISSISSIPPI.
SEVERE THUNDERSTORMS WILL BE NEAR...
WHITES CROSSING...RAMSEY SPRINGS...BEATRICE AND OLD AVERA AROUND
350 PM CST...
DALE...KNOBTOWN...ERET AND DEEP CREEK AROUND 355 PM CST...
AVENT AND CUNNINGHAM AROUND 400 PM CST...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY ON THE LOWEST
FLOOR OF A STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A
ROOM SUCH AS A CLOSET OR BATHROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3084 8929 3092 8921 3092 8914 3100 8914
3119 8897 3144 8887 3171 8869 3189 8848
3203 8846 3213 8804 3209 8804 3206 8811
3202 8811 3200 8796 3074 8876 3073 8886
3068 8888 3068 8922 3065 8923 3065 8933
TIME...MOT...LOC 2143Z 237DEG 73KT 3209 8822 3187 8826
3163 8853 3123 8875 3077 8915
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 31, 9:04 PM CST | Wind Advisory | MOB | George, Greene, Perry, Stone, Wayne | 23 hr |
| Feb 1, 3:59 PM CST | Severe Thunderstorm Warning | MOB | Greene, Wayne | 34 min |
| Feb 1, 3:59 PM CST | Severe Thunderstorm Warning | MOB | George, Greene, Perry, Stone | 46 min |
| Feb 1, 1:48 AM CST | Dense Fog Advisory | MOB | 8 hr | |
| Feb 1, 2:14 AM CST | Marine Dense Fog Advisory | MOB | 7 hr | |
| Feb 1, 4:45 PM CST | Special Marine Warning | MOB | 90 min | |
| Feb 1, 4:48 PM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 42 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2011Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning in 2011
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.