Alert archive / Florida / Flash Flood Warnings in 2011
Flash Flood Warning 18, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Mar 9, 2011, 11:48 AM CST for Okaloosa County, Santa Rosa County, Florida. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2011, 11:48 AM CST (17:48 UTC)
- Expired
- Mar 9, 2011, 4:14 PM CST
- In force
- 4 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 87 km from the middle of the area, began a volume at 17:50 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 nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.8 hours before the alert went out and 241 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
- 611 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 348 m²/s²
- 0-3 km storm-relative helicity
- 471 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
213
WGUS54 KMOB 091748
FFWMOB
FLC091-113-092345-
/O.NEW.KMOB.FF.W.0018.110309T1748Z-110309T2345Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1148 AM CST WED MAR 9 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN OKALOOSA COUNTY IN NORTHWEST FLORIDA...
THIS INCLUDES THE CITIES OF...LAKE LORRAINE...WRIGHT...
VALPARAISO...OCEAN CITY...NICEVILLE...MARY ESTHER...FORT WALTON
BEACH...EGLIN AFB...DESTIN...
SOUTHEASTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
THIS INCLUDES THE CITY OF GULF BREEZE...
* UNTIL 545 PM CST WEDNESDAY
* AT 1144 AM CST...NATIONAL WEATHER SERVICE RADAR INDICATED VERY
HEAVY RAIN FROM A LINE OF THUNDERSTORMS MOVING WEST TO EAST ACROSS
EXTREME SOUTHERN OKALOOSA AND SANTA ROSA COUNTIES. THESE STORMS
HAVE BEEN PRODUCING UP TO 2 TO 3 INCHES OF RAIN PER HOUR AND WILL
LIKELY LAST AROUND TWO HOURS...WHICH WILL LIKELY RESULT IN FLASH
FLOODING.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
TO REPORT FLASH FLOODING TO YOUR NATIONAL WEATHER SERVICE...CALL TOLL
FREE AT 1 8 7 7 6 3 3 6 7 7 2.
LAT...LON 3036 8722 3041 8710 3042 8700 3046 8693
3051 8701 3054 8714 3054 8713 3051 8700
3053 8638 3046 8639 3049 8645 3044 8658
3041 8652 3043 8646 3039 8638 3040 8651
3038 8685 3040 8691 3034 8718
$$3 follow-up statements
012
WGUS74 KMOB 092104
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
304 PM CST WED MAR 9 2011
FLC091-113-092345-
/O.CON.KMOB.FF.W.0018.000000T0000Z-110309T2345Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKALOOSA FL-SANTA ROSA FL-
304 PM CST WED MAR 9 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM CST FOR
SOUTHEASTERN SANTA ROSA AND SOUTHERN OKALOOSA COUNTIES...
AT 256 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES
THAT 3 TO 4 INCHES OF RAIN FELL OVER THE AREA. THE FLASH FLOOD
WARNING CONTINUES IN EFFECT UNTIL THE HEAVY RAINS FINISHING DRAINING
OFF.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3036 8722 3041 8710 3042 8700 3046 8693
3051 8701 3054 8714 3054 8713 3051 8700
3053 8638 3046 8639 3049 8645 3044 8658
3041 8652 3043 8646 3039 8638 3040 8651
3038 8685 3040 8691 3034 8718
$$539
WGUS74 KMOB 092213
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
413 PM CST WED MAR 9 2011
FLC091-113-092345-
/O.CON.KMOB.FF.W.0018.000000T0000Z-110309T2345Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKALOOSA FL-SANTA ROSA FL-
413 PM CST WED MAR 9 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM CST FOR
SOUTHEASTERN SANTA ROSA AND SOUTHERN OKALOOSA COUNTIES...
AT 410 PM CST...REPORTS FROM EMERGENCY MANAGEMENT AND LOCAL LAW
ENFORCEMENT INDICATE THAT ANY AREAS THAT FLOODED HAVE SINCE
SUBSIDED...THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3036 8722 3041 8710 3042 8700 3046 8693
3051 8701 3054 8714 3054 8713 3051 8700
3053 8638 3046 8639 3049 8645 3044 8658
3041 8652 3043 8646 3039 8638 3040 8651
3038 8685 3040 8691 3034 8718
$$720
WGUS74 KMOB 092214
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
414 PM CST WED MAR 9 2011
FLC091-113-092224-
/O.CAN.KMOB.FF.W.0018.000000T0000Z-110309T2345Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKALOOSA FL-SANTA ROSA FL-
414 PM CST WED MAR 9 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN SANTA
ROSA AND SOUTHERN OKALOOSA COUNTIES...
AT 410 PM CST...REPORTS FROM EMERGENCY MANAGEMENT AND LOCAL LAW
ENFORCEMENT INDICATE THAT ANY AREAS THAT FLOODED HAVE SINCE
SUBSIDED...THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
LAT...LON 3036 8722 3041 8710 3042 8700 3046 8693
3051 8701 3054 8714 3054 8713 3051 8700
3053 8638 3046 8639 3049 8645 3044 8658
3041 8652 3043 8646 3039 8638 3040 8651
3038 8685 3040 8691 3034 8718
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 9:02 AM CST | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 58 min |
| Mar 9, 9:10 AM CST | Severe Thunderstorm Warning | MOB | Okaloosa, Santa Rosa | 65 min |
| Mar 9, 9:10 AM CST | Tornado Warning | MOB | Escambia | 50 min |
| Mar 9, 9:16 AM CST | Tornado Warning | MOB | Escambia | 44 min |
| Mar 9, 9:25 AM CST | Flash Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Mar 9, 9:26 AM CST | Tornado Warning | MOB | Escambia, Santa Rosa | 49 min |
| Mar 9, 9:40 AM CST | Tornado Warning | MOB | Escambia, Santa Rosa | 50 min |
| Mar 9, 10:09 AM CST | Severe Thunderstorm Warning | MOB | Escambia, Okaloosa, Santa Rosa | 66 min |
| Mar 9, 10:17 AM CST | Flash Flood Warning | MOB | Santa Rosa | 6 hr |
| Mar 9, 10:30 AM CST | Tornado Warning | MOB | Okaloosa, Santa Rosa | 32 min |
| Mar 9, 11:03 AM CST | Flash Flood Warning | MOB | Okaloosa | 5 hr |
| Mar 9, 11:10 AM CST | Severe Thunderstorm Warning | MOB | Okaloosa | 65 min |
| Mar 9, 11:14 AM CST | Tornado Warning | MOB | Escambia, Santa Rosa | 61 min |
| Mar 9, 11:41 AM CST | Tornado Warning | MOB | Okaloosa | 26 min |
| Mar 9, 12:16 PM CST | Tornado Warning | MOB | Okaloosa, Santa Rosa | 26 min |
Nearby
Flash Flood Warnings in Florida, 2011Every flash flood 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.