Alert archive / Mississippi / Tornado Warnings in 2011
Tornado Warning 104, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Sep 4, 2011, 9:14 AM CDT for Perry County, Wayne County, Mississippi. It was in force for 46 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, 9:14 AM CDT (14:14 UTC)
- Expired
- Sep 4, 2011, 10:00 AM CDT
- In force
- 46 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Perry County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 117 km from the middle of the area, began a volume at 14:16 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, 2.2 hours before the alert went out and 139 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.
274
WFUS54 KMOB 041414
TORMOB
MSC111-153-041500-
/O.NEW.KMOB.TO.W.0104.110904T1414Z-110904T1500Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
914 AM CDT SUN SEP 4 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
WESTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 1000 AM CDT
* AT 912 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES
NORTHEAST OF RICHTON...OR 14 MILES NORTH OF BEAUMONT...MOVING NORTH
AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
PLEASANT GROVE... PINEVIEW... HOLLIS CREEK...
GOOD HOPE... LIGHTSEY... STRENGTHFORD...
MULBERRY... EUCUTTA...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
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.
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT SUNDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3144 8895 3182 8895 3184 8883 3183 8882
3138 8884 3137 8894 3143 8896
TIME...MOT...LOC 1414Z 171DEG 26KT 3139 8888
$$1 follow-up statement
709
WWUS54 KMOB 041428
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
928 AM CDT SUN SEP 4 2011
MSC111-041434-
/O.CAN.KMOB.TO.W.0104.000000T0000Z-110904T1500Z/
PERRY MS-
928 AM CDT SUN SEP 4 2011
...THE TORNADO WARNING FOR NORTHEASTERN PERRY COUNTY IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 PM CDT SUNDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3143 8884 3144 8894 3182 8895 3184 8883
3183 8882
TIME...MOT...LOC 1424Z 171DEG 26KT 3146 8889
$$
MSC153-041500-
/O.CON.KMOB.TO.W.0104.000000T0000Z-110904T1500Z/
WAYNE MS-
928 AM CDT SUN SEP 4 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR WESTERN
WAYNE COUNTY...
AT 921 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR MULBERRY...OR 7
MILES NORTHEAST OF RICHTON...MOVING NORTH AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HOLLIS
CREEK...STRENGTHFORD...PLEASANT GROVE...PINEVIEW...LIGHTSEY AND
EUCUTTA.
THE STORM INDICATED WITH A TORNADO HAS MOVED OUT OF PERRY
COUNTY...BUT NEW STORMS MAY DEVELOP BEHIND IT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE 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 3143 8884 3144 8894 3182 8895 3184 8883
3183 8882
TIME...MOT...LOC 1424Z 171DEG 26KT 3146 8889
$$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, 9:54 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, 11:41 AM CDT | Tornado Warning | MOB | Greene, Wayne | 64 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.