Alert archive / Florida / Flash Flood Warnings in 2009
Flash Flood Warning 13, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Apr 2, 2009, 3:18 PM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 6 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
- Apr 2, 2009, 3:18 PM CDT (20:18 UTC)
- Expired
- Apr 2, 2009, 9:15 PM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 75 km from the middle of the area, began a volume at 20:21 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, 8.3 hours before the alert went out and 230 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
- 1561 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 484 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 297 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KMOB 022018
FFWMOB
FLC033-091-113-030215-
/O.NEW.KMOB.FF.W.0013.090402T2018Z-090403T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
318 PM CDT THU APR 2 2009
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
THIS INCLUDES THE CITY OF PENSACOLA...
OKALOOSA COUNTY IN NORTHWEST FLORIDA...
THIS INCLUDES THE CITIES OF...FORT WALTON BEACH...DESTIN...
CRESTVIEW...
SOUTHERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
THIS INCLUDES THE CITY OF NAVARRE...
* UNTIL 915 PM CDT
* AT 309 PM CDT...NWS DOPPLER WEATHER RADAR INDICATES THAT
BETWEEN TWO AND THREE INCHES OF RAIN HAS FALLEN OVER PORTIONS OF
THE EXTREME NORTHWEST FLORIDA PANHANDLE DURING THE PAST HOUR.
REPORTS OF RUNOFF OVER URBAN AREAS ARE BEING RECEIVED BY THE
NWS IN MOBILE. THE RUNOFF WILL CAUSE RAPID RISES OF SMALL CREEKS
AND DRAINAGE CULVERTS.
AN ADDITIONAL TWO INCHES COULD FALL ONCE AGAIN OVER THE
FLORIDA PANHANDLE WITH YET ANOTHER LINE OF STORMS APPROACHING FROM
THE WEST AFTER 4 PM CDT.
IF YOU ARE IN THE WARNED AREA...MOVE TO HIGHER GROUND IMMEDIATELY
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BRENT...
VALPARAISO...SEMINOLE...POSTIL...PENSACOLA REGIONAL A/P...PEADEN...
PACE...NICEVILLE...MILTON NEAR WHITING FIELD...MILTON...MILLIGAN...
HOLT...HAROLD...GALLIVER...FERRY PASS...DORCAS...DEERLAND...
CRESTVIEW AIRPORT...CANNON TOWN...BAKER...BAGDAD AND ALLENTOWN
LAT...LON 3032 8740 3078 8713 3096 8638 3046 8638
3046 8642 3049 8645 3044 8658 3041 8651
3043 8646 3041 8639 3039 8638 3040 8674
3033 8712
$$1 follow-up statement
000
WGUS74 KMOB 022251
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
551 PM CDT THU APR 2 2009
FLC033-091-113-030215-
/O.CON.KMOB.FF.W.0013.000000T0000Z-090403T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKALOOSA FL-ESCAMBIA FL-SANTA ROSA FL-
551 PM CDT THU APR 2 2009
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHERN SANTA ROSA...SOUTHEASTERN ESCAMBIA AND OKALOOSA COUNTIES...
AT 538 PM CDT...MOST OF THE HEAVIER RAINS HAVE MOVED WELL EAST OF
THE CRESTVIEW AND DESTIN AREAS. DOPPLER RADAR SHOWED A NARROW LINE
OF SHOWERS AND ISOLATED THUNDERSTORMS MOVING EAST ACROSS THE
PENSACOLA AND MILTON AREAS. THIS NARROW LINE OF SHOWERS AND
THUNDERSTORMS WILL PRODUCE LOCALIZED RAINFALL AMOUNTS AROUND ONE
QUARTER OF AN INCH. THE PREVIOUS HEAVY RAINS THIS AFTERNOON HAVE
AGAIN BROUGHT MANY STREAMS AND CREEKS WELL OUT OF THEIR BANKS...AND
THE FLOODING WILL LIKELY PERSIST INTO THE EVENING HOURS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VALPARAISO...
POSTIL...PEADEN...PACE...NICEVILLE...MILTON NEAR WHITING FIELD...
MILTON...MILLIGAN...HOLT...HAROLD...GALLIVER...FERRY PASS...DORCAS...
DEERLAND...CRESTVIEW AIRPORT...CRESTVIEW...CANNON TOWN...BAKER...
BAGDAD AND ALLENTOWN
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
LAT...LON 3032 8740 3078 8713 3096 8638 3046 8638
3046 8642 3049 8645 3044 8658 3041 8651
3043 8646 3041 8639 3039 8638 3040 8674
3033 8712
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 12:58 PM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 62 min |
| Apr 2, 1:59 PM CDT | Severe Thunderstorm Warning | MOB | Escambia, Okaloosa, Santa Rosa | 46 min |
| Apr 2, 2:25 PM CDT | Tornado Warning | MOB | Escambia, Okaloosa, Santa Rosa | 24 min |
| Apr 2, 2:43 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 17 min |
| Apr 2, 3:28 PM CDT | Severe Thunderstorm Warning | MOB | Escambia | 62 min |
Nearby
Flash Flood Warnings in Florida, 2009Every flash flood warning in 2009
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.