Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 125, NWS Mobile, AL

September 5, 2011Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Sep 5, 2011, 1:07 AM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 53 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 5, 2011, 1:07 AM CDT (06:07 UTC)
Expired
Sep 5, 2011, 2:00 AM CDT
In force
53 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 110 km from the middle of the area, began a volume at 06:08 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.

What was reported inside it

TimeReportWhereRemark
Sep 5, 1:45 AM CDTTSTM WND GST 41Pensacola Regional A/P, FLKPNS ASOS RECORDED A WIND GUST OF 41 MPH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 4, 9:42 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 6.1 hours before the alert went out and 249 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2011-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1653 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2011-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1653 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
616 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

211 
WFUS54 KMOB 050607
TORMOB
FLC033-113-050700-
/O.NEW.KMOB.TO.W.0125.110905T0607Z-110905T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
107 AM CDT MON SEP 5 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  SOUTHERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 200 AM CDT

* AT 105 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES SOUTH
  OF WARRINGTON...OR 16 MILES SOUTHEAST OF PERDIDO BEACH...MOVING    
  NORTH AT 35 MPH. ANOTHER WEAKER CIRCULATION WAS JUST SOUTH OF      
  PENSACOLA.

* LOCATIONS IMPACTED INCLUDE...
  WOODLAWN BEACH...     WHITING FIELD...      WALLACE...
  TIGER POINT...        SPRINGHILL...         SKYLINE...
  ROEVILLE...           POINT BAKER...        PEA RIDGE...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 8 AND 38.

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 MONDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3088 8724 3077 8682 3044 8693 3038 8700
      3037 8709 3035 8714 3036 8705 3036 8701
      3034 8703 3031 8721 3031 8727 3032 8731
      3031 8733
TIME...MOT...LOC 0606Z 200DEG 32KT 3020 8729

$$
3 follow-up statements
272 
WWUS54 KMOB 050633
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
133 AM CDT MON SEP 5 2011

FLC033-113-050700-
/O.CON.KMOB.TO.W.0125.000000T0000Z-110905T0700Z/
SANTA ROSA FL-ESCAMBIA FL-
133 AM CDT MON SEP 5 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR
SOUTHEASTERN ESCAMBIA AND SOUTHERN SANTA ROSA COUNTIES...

AT 126 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO. THE CIRCULATION WAS LOCATED NEAR 
PENSACOLA NAVAL BASE...OR NEAR GULF BREEZE...MOVING NORTH AT 30 MPH.
ANOTHER CIRCULATION WAS LOCATED NEAR FERRY PASS. 

BOTH OF THESE CIRCULATIONS WILL CONTINUE MOVING TO THE NORTH DURING 
THE NEXT 45 MINUTES. THESE ARE THE TYPE OF STORMS WHEREBY TORNADOES 
CAN FORM SUDDENLY. BE PREPARED TO TAKE SHELTER UNTIL THESE STORMS 
PASS YOUR LOCATION.

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 MONDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3088 8724 3077 8682 3044 8693 3038 8700
      3037 8709 3035 8714 3036 8705 3036 8701
      3034 8703 3031 8721 3031 8727 3032 8731
      3031 8733
TIME...MOT...LOC 0628Z 201DEG 27KT 3036 8722

$$
667 
WWUS54 KMOB 050654
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
154 AM CDT MON SEP 5 2011

FLC033-113-050700-
/O.CON.KMOB.TO.W.0125.000000T0000Z-110905T0700Z/
SANTA ROSA FL-ESCAMBIA FL-
154 AM CDT MON SEP 5 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR EAST
CENTRAL ESCAMBIA AND CENTRAL SANTA ROSA COUNTIES...

AT 149 AM CDT...RADAR INDICATED A POSSIBLE TORNADO NEAR FERRY 
PASS...MOVING NORTH AT 30 MPH. THE CIRCULATION WILL MOVE BETWEEN 
MILTON AND WALLACE BEFORE 215 AM.

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 MONDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3087 8722 3078 8686 3061 8691 3047 8707
      3050 8724
TIME...MOT...LOC 0653Z 200DEG 28KT 3055 8715

$$
467 
WWUS54 KMOB 050659
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
159 AM CDT MON SEP 5 2011

FLC033-113-050709-
/O.EXP.KMOB.TO.W.0125.000000T0000Z-110905T0700Z/
SANTA ROSA FL-ESCAMBIA FL-
159 AM CDT MON SEP 5 2011

...THE TORNADO WARNING FOR EAST CENTRAL ESCAMBIA AND CENTRAL SANTA
ROSA COUNTIES WILL EXPIRE AT 200 AM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT MONDAY MORNING FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3087 8722 3078 8686 3061 8691 3047 8707
      3050 8724
TIME...MOT...LOC 0659Z 200DEG 28KT 3059 8713

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 4, 9:12 PM CDTTornado WarningMOBEscambia, Santa Rosa63 min
Sep 4, 9:58 PM CDTHigh Wind WarningMOB21 hr
Sep 4, 9:58 PM CDTWind AdvisoryMOB24 hr
Sep 4, 10:24 PM CDTCoastal Flood AdvisoryMOB15 hr
Sep 4, 10:24 PM CDTRip Current StatementMOB21 hr
Sep 4, 10:24 PM CDTHigh Surf AdvisoryMOB21 hr
Sep 4, 11:53 PM CDTTornado WarningMOBSanta Rosa67 min
Sep 5, 2:24 AM CDTRiver Flood WarningMOBEscambia15 hr
Sep 5, 5:11 AM CDTTornado WarningMOBOkaloosa64 min
Sep 5, 7:23 AM CDTAreal Flood WarningMOBEscambia, Okaloosa, Santa Rosa12 hr
Sep 5, 8:40 AM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa65 min
Sep 5, 9:16 AM CDTTornado WarningMOBOkaloosa44 min
Sep 5, 9:56 AM CDTTornado WarningMOBEscambia34 min
Sep 5, 9:59 AM CDTTornado WarningMOBOkaloosa61 min
Sep 5, 10:35 AM CDTTornado WarningMOBEscambia40 min
Sep 5, 10:39 AM CDTFlash Flood WarningMOBOkaloosa111 min
Sep 5, 10:58 AM CDTTornado WarningMOBOkaloosa62 min
Sep 5, 12:54 PM CDTCoastal Flood WarningMOB6 hr
Sep 5, 1:14 PM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa39 min

Nearby

Tornado Warnings in Florida, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.