Alert archive / Mississippi / Tornado Warnings in 2011
Tornado Warning 108, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Sep 4, 2011, 11:41 AM CDT for Greene County, Wayne County, Mississippi. It was in force for 64 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, 2011, 11:41 AM CDT (16:41 UTC)
- Expired
- Sep 4, 2011, 12:45 PM CDT
- In force
- 64 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Greene County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 118 km from the middle of the area, began a volume at 16:44 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 |
|---|---|---|---|
| Sep 4, 5:05 AM CDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 4.7 hours before the alert went out and 143 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
- 307 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 490 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
148
WFUS54 KMOB 041641
TORMOB
MSC041-153-041745-
/O.NEW.KMOB.TO.W.0108.110904T1641Z-110904T1745Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1141 AM CDT SUN SEP 4 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
WESTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 1245 PM CDT
* AT 1139 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES
NORTHEAST OF RICHTON...OR 13 MILES SOUTHWEST OF CLARA...MOVING
NORTH AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
CLARA...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF IN MANUFACTURED HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT SUNDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3182 8894 3186 8866 3186 8864 3135 8872
3135 8884 3143 8884 3144 8894
TIME...MOT...LOC 1641Z 168DEG 22KT 3145 8885
$$2 follow-up statements
694
WWUS54 KMOB 041720
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1220 PM CDT SUN SEP 4 2011
MSC041-153-041745-
/O.CON.KMOB.TO.W.0108.000000T0000Z-110904T1745Z/
WAYNE MS-GREENE MS-
1220 PM CDT SUN SEP 4 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR
NORTHWESTERN GREENE AND WESTERN WAYNE COUNTIES...
AT 1216 PM CDT...NATIONAL WEATHER SERVICE RADAR CONTINUED TO
INDICATE A TORNADO ENTERING SOUTHWEST WAYNE COUNTY 10 MILES
NORTHEAST OF RICHTON...OR 11 MILES SOUTHWEST OF CLARA...MOVING
NORTH AT 35 MPH. IN ADDITION TO THIS STORM...ANOTHER WAS LOCATED
NEAR STRENGTHFORD...OR 14 MILES EAST OF LAUREL...MOVING NORTH AT 25
MPH.
* LOCATIONS IMPACTED INCLUDE...
CLARA...
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WHISTLER...PLEASANT GROVE...WEST KING...LIGHTSEY...HIWANNEE AND
EUCUTTA
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT SUNDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3182 8894 3186 8866 3186 8864 3135 8872
3135 8884 3143 8884 3144 8894
TIME...MOT...LOC 1717Z 168DEG 22KT 3167 8890
$$703
WWUS54 KMOB 041747
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1247 PM CDT SUN SEP 4 2011
MSC041-153-041756-
/O.EXP.KMOB.TO.W.0108.000000T0000Z-110904T1745Z/
WAYNE MS-GREENE MS-
1247 PM CDT SUN SEP 4 2011
...THE TORNADO WARNING FOR NORTHWESTERN GREENE AND WESTERN WAYNE
COUNTIES HAS EXPIRED...
THE STORMS THAT PROMPTED THE WARNING HAVE LOST THEIR TIGHT ROTATION
CHARACTERISTICS. THEREFORE...THE WARNING HAS BEEN ALLOWED TO EXPIRE
AT THIS TIME. NEW WARNINGS MAY BE NECESSARY FOR NEW DEVELOPMENT
ALONG THE SOUTHERN FLANK.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT SUNDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3182 8894 3186 8866 3186 8864 3135 8872
3135 8884 3143 8884 3144 8894
TIME...MOT...LOC 1720Z 168DEG 22KT 3169 8890
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 7:53 PM CDT | Areal Flood Warning | MOB | George, Greene, Perry, Stone | 6 hr |
| Sep 4, 12:59 AM CDT | Tornado Warning | MOB | George | 61 min |
| Sep 4, 1:09 AM CDT | Flash Flood Warning | MOB | Stone | 3 hr |
| Sep 4, 3:10 AM CDT | Tornado Warning | MOB | George | 50 min |
| Sep 4, 8:40 AM CDT | Tornado Warning | MOB | Greene, Perry | 35 min |
| Sep 4, 9:14 AM CDT | Tornado Warning | MOB | Perry, Wayne | 46 min |
| Sep 4, 9:54 AM CDT | River Flood Warning | MOB | George, Greene, Wayne | 25 hr |
| Sep 4, 11:13 AM CDT | Tornado Warning | MOB | Perry | 62 min |
| Sep 4, 11:19 AM CDT | Tornado Warning | MOB | Greene, Perry | 56 min |
| Sep 4, 12:19 PM CDT | Tornado Warning | MOB | Greene | 56 min |
| Sep 4, 1:18 PM CDT | Tornado Warning | MOB | Wayne | 42 min |
| Sep 4, 1:22 PM CDT | Flash Flood Warning | MOB | Wayne | 3 hr |
| Sep 4, 1:57 PM CDT | Flash Flood Warning | MOB | George, Greene | 3 hr |
| Sep 4, 2:01 PM CDT | Tornado Warning | MOB | Wayne | 59 min |
Nearby
Tornado Warnings in Mississippi, 2011Every tornado warning in 2011Tornadoes 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.