Alert archive / Florida / Tornado Warnings in 2011
Tornado Warning 100, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Sep 4, 2011, 3:57 AM CDT for Escambia County, Santa Rosa County, Florida; Baldwin County, Alabama. It was in force for 42 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, 3:57 AM CDT (08:57 UTC)
- Expired
- Sep 4, 2011, 4:39 AM CDT
- In force
- 42 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Baldwin County, AL, Escambia County, FL, Santa Rosa County, FL
The radar
The Mobile radar (KMOB), 105 km from the middle of the area, began a volume at 08:57 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 3, 9:43 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 9.0 hours before the alert went out and 243 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
- 1081 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
994
WFUS54 KMOB 040857
TORMOB
ALC003-FLC033-113-041000-
/O.NEW.KMOB.TO.W.0100.110904T0857Z-110904T1000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
357 AM CDT SUN SEP 4 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
SOUTHWESTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
EASTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 500 AM CDT
* AT 353 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES WEST OF
GONZALEZ...OR 8 MILES WEST OF CANTONMENT...MOVING NORTH AT 30 MPH.
OTHER ROTATING THUNDERSTORMS WERE MOVING ONSHORE IN THE PENSACOLA
AREAS AS WELL. THESE STORMS WERE BEING MONITORED CLOSELY FOR
TORNADO PRODUCTION.
* LOCATIONS IMPACTED INCLUDE...
WOODLAWN BEACH... WALLACE... TIGER POINT...
PEA RIDGE... MULAT... MIDWAY...
GARCON POINT... FLORIDATOWN... DICKERSON CITY...
THIS INCLUDES INTERSTATE 10 IN FLORIDA BETWEEN MILE MARKERS 1 AND 27.
THIS INCLUDES INTERSTATE 10 IN ALABAMA BETWEEN MILE MARKERS 50 AND
66.
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT SUNDAY MORNING FOR
SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3028 8756 3096 8779 3100 8728 3039 8690
3039 8691 3038 8698 3038 8688 3035 8720
3036 8721 3045 8695 3050 8703 3054 8703
3044 8710 3051 8710 3057 8717 3047 8715
3041 8718 3038 8726 3032 8726
TIME...MOT...LOC 0856Z 166DEG 26KT 3062 8748
$$3 follow-up statements
829
WWUS54 KMOB 040918
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
418 AM CDT SUN SEP 4 2011
ALC003-FLC033-113-041000-
/O.CON.KMOB.TO.W.0100.000000T0000Z-110904T1000Z/
SANTA ROSA FL-ESCAMBIA FL-BALDWIN AL-
418 AM CDT SUN SEP 4 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR EAST
CENTRAL BALDWIN...ESCAMBIA AND SOUTHWESTERN SANTA ROSA COUNTIES...
AT 416 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A POSSIBLE TORNADO. THIS TORNADO WAS LOCATED NEAR BAY
SPRINGS...OR 12 MILES WEST OF MOLINO...MOVING NORTH TO NORTHWEST AT
30 MPH. THE LINE ASSOCIATED WITHIN THIS STORM CONTAINS MULTIPLE
CIRCULATING STORMS THAT HAVE PRODUCED TORNADOES SUDDENLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT SUNDAY MORNING FOR
SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3038 8726 3096 8779 3100 8728 3039 8690
3039 8691 3038 8698 3038 8688 3035 8720
3036 8721 3045 8695 3050 8703 3054 8703
3044 8710 3051 8710 3057 8717 3047 8715
3041 8718
TIME...MOT...LOC 0917Z 166DEG 26KT 3076 8752
$$569
WWUS54 KMOB 040928
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
428 AM CDT SUN SEP 4 2011
ALC003-040937-
/O.CAN.KMOB.TO.W.0100.000000T0000Z-110904T1000Z/
BALDWIN AL-
428 AM CDT SUN SEP 4 2011
...THE TORNADO WARNING FOR EAST CENTRAL BALDWIN COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT SUNDAY MORNING FOR
SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3036 8721 3041 8707 3044 8710 3051 8710
3058 8717 3053 8718 3047 8715 3042 8717
3038 8726 3056 8742 3063 8739 3067 8741
3074 8753 3085 8763 3097 8759 3100 8728
3039 8690 3035 8720
TIME...MOT...LOC 0927Z 166DEG 26KT 3094 8750 3083 8713
3038 8692
$$
FLC033-113-041000-
/O.CON.KMOB.TO.W.0100.000000T0000Z-110904T1000Z/
SANTA ROSA FL-ESCAMBIA FL-
428 AM CDT SUN SEP 4 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR ESCAMBIA
AND SOUTHWESTERN SANTA ROSA COUNTIES...
AT 425 AM CDT...A LINE OF TORNADO PRODUCING STORMS WAS REPORTED.
THESE TORNADO PRODUCING STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM WALNUT HILL TO NEW YORK TO WOODLAWN BEACH...OR ALONG A LINE
EXTENDING FROM 8 MILES SOUTH OF ATMORE TO 14 MILES NORTH OF MILTON TO
13 MILES SOUTHEAST OF BAGDAD...MOVING NORTH AT 30 MPH.
MULTIPLE STRONG CIRCULATIONS WERE OCCURRING ALONG THIS LINE.
TORNADOES CAN FORM SUDDENLY...ESPECIALLY ALONG AND SOUTH OF I-10 AS
THEY MOVE EASTWARD DURIGN THE NEXT HALF HOUR.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BROWNSDALE...BRATT...BLUFF SPRINGS...BYRNEVILLE AND GANDYVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT SUNDAY MORNING FOR
SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3036 8721 3041 8707 3044 8710 3051 8710
3058 8717 3053 8718 3047 8715 3042 8717
3038 8726 3056 8742 3063 8739 3067 8741
3074 8753 3085 8763 3097 8759 3100 8728
3039 8690 3035 8720
TIME...MOT...LOC 0927Z 166DEG 26KT 3094 8750 3083 8713
3038 8692
$$632
WWUS54 KMOB 040939
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
439 AM CDT SUN SEP 4 2011
FLC033-113-040948-
/O.CAN.KMOB.TO.W.0100.000000T0000Z-110904T1000Z/
SANTA ROSA FL-ESCAMBIA FL-
439 AM CDT SUN SEP 4 2011
...THE TORNADO WARNING FOR ESCAMBIA AND PORTIONS OF SOUTHWESTERN
PORTIONS OF SANTA ROSA COUNTIES HAS BEEN CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT SUNDAY MORNING FOR
SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3036 8721 3041 8707 3044 8710 3051 8710
3058 8717 3053 8718 3047 8715 3042 8717
3038 8726 3056 8742 3063 8739 3067 8741
3074 8753 3085 8763 3097 8759 3100 8728
3039 8690 3035 8720
TIME...MOT...LOC 0938Z 166DEG 26KT 3102 8752 3091 8715
3046 8694
$$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 | Escambia, Okaloosa, Santa Rosa | 6 hr |
| Sep 3, 9:11 PM CDT | River Flood Warning | MOB | Okaloosa, Santa Rosa | 12 hr |
| Sep 3, 9:11 PM CDT | River Flood Warning | MOB | Okaloosa, Santa Rosa | 12 hr |
| Sep 3, 9:11 PM CDT | River Flood Warning | MOB | Okaloosa | 49 hr |
| Sep 4, 4:15 AM CDT | Tornado Warning | MOB | Escambia, Okaloosa, Santa Rosa | 60 min |
| Sep 4, 5:04 AM CDT | Tornado Warning | MOB | Okaloosa | 41 min |
| Sep 4, 5:36 AM CDT | Flash Flood Warning | MOB | Okaloosa, Santa Rosa | 3 hr |
| Sep 4, 9:42 AM CDT | Tornado Warning | MOB | Okaloosa | 33 min |
| Sep 4, 4:15 PM CDT | Tornado Warning | MOB | Escambia | 60 min |
| Sep 3, 8:02 PM CDT | Special Marine Warning | MOB | 43 min | |
| Sep 3, 8:24 PM CDT | Special Marine Warning | MOB | 51 min | |
| Sep 3, 10:34 PM CDT | Special Marine Warning | MOB | 41 min | |
| Sep 3, 11:11 PM CDT | Tornado Warning | MOB | Mobile | 64 min |
| Sep 3, 11:58 PM CDT | Tornado Warning | MOB | Mobile | 62 min |
| Sep 4, 12:13 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Sep 4, 12:59 AM CDT | Tornado Warning | MOB | Mobile | 61 min |
| Sep 4, 1:14 AM CDT | Flash Flood Warning | MOB | Mobile | 3 hr |
| Sep 4, 1:40 AM CDT | Flash Flood Warning | MOB | Mobile | 3 hr |
| Sep 4, 1:59 AM CDT | Tornado Warning | MOB | Mobile | 45 min |
| Sep 4, 2:16 AM CDT | Special Marine Warning | MOB | 119 min | |
| Sep 4, 2:46 AM CDT | Tornado Warning | MOB | Baldwin | 59 min |
| Sep 4, 3:16 AM CDT | Special Marine Warning | MOB | 119 min | |
| Sep 4, 4:49 AM CDT | Special Marine Warning | MOB | 86 min | |
| Sep 4, 5:51 AM CDT | Special Marine Warning | MOB | 114 min | |
| Sep 4, 9:42 AM CDT | Special Marine Warning | MOB | 33 min | |
| Sep 4, 9:59 AM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 4 days |
| Sep 4, 9:59 AM CDT | River Flood Warning | MOB | Choctaw, Clarke, Washington | 5 days |
| Sep 4, 10:43 AM CDT | Special Marine Warning | MOB | 47 min | |
| Sep 4, 10:44 AM CDT | Special Marine Warning | MOB | 46 min | |
| Sep 4, 11:29 AM CDT | Special Marine Warning | MOB | 46 min | |
| Sep 4, 11:46 AM CDT | Tornado Warning | MOB | Baldwin, Mobile | 19 min |
| Sep 4, 12:12 PM CDT | Tornado Warning | MOB | Washington | 63 min |
| Sep 4, 12:58 PM CDT | Tornado Warning | MOB | Washington | 62 min |
| Sep 4, 1:20 PM CDT | Tornado Warning | MOB | Clarke, Washington | 55 min |
| Sep 4, 4:01 PM CDT | Tornado Warning | MOB | Choctaw, Clarke | 59 min |
| Sep 4, 4:09 PM CDT | Tornado Warning | MOB | Washington | 36 min |
| Sep 4, 4:28 PM CDT | Tornado Warning | MOB | Baldwin | 49 min |
Nearby
Tornado Warnings in Florida, 2011Tornado Warnings in Alabama, 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.