Alert archive / Florida / Flash Flood Warnings in 2011
Flash Flood Warning 24, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 17, 2011, 8:01 AM CDT for Escambia 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
- Jul 17, 2011, 8:01 AM CDT (13:01 UTC)
- Expired
- Jul 17, 2011, 12:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Escambia County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 103 km from the middle of the area, began a volume at 13:05 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, 1.0 hours before the alert went out and 259 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
- 616 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
518
WGUS54 KMOB 171301
FFWMOB
FLC033-113-171700-
/O.NEW.KMOB.FF.W.0024.110717T1301Z-110717T1700Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
801 AM CDT SUN JUL 17 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN ESCAMBIA COUNTY AND SOUTHERN SANTA ROSA COUNTY IN
NORTHWEST FLORIDA...
THIS INCLUDES THE CITIES OF...WEST PENSACOLA...WARRINGTON...
MYRTLE GROVE...GOULDING...GONZALEZ...FERRY PASS...ENSLEY...
BRENT...PACE...MILTON...GULF BREEZE AND BAGDAD...
* UNTIL NOON CDT
* AT 800 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED VERY HEAVY
RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WHITING
FIELD...WALLACE...SPRINGHILL...SKYLINE...ROEVILLE...POINT BAKER...
EAST MILTON...MUNSON...HAROLD...CHUMUCKLA AND ALLENTOWN
SOME LOCATIONS IN THE WARNING AREA HAVE RECEIVED 4 TO 5 INCHES OF
RAINFALL SINCE MIDNIGHT. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4
INCHES ARE POSSIBLE IN THE WARNED AREA THROUGH NOON. THIS ADDITIONAL
RAINFALL COULD RESULT IN RAPID FLASH FLOODING OF FLOOD PRONE AREAS.
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.
REPORT FLASH FLOODING TO YOUR NATIONAL WEATHER SERVICE IN MOBILE AT
AREA CODE 2 5 1...AND THEN 6 3 3 6 4 4 3. OR...YOU MAY CONTACT YOUR
NEAREST LAW ENFORCEMENT AGENCY OR COUNTY EMERGENCY MANAGEMENT...AND
THEY WILL RELAY YOUR REPORT.
LAT...LON 3032 8732 3078 8729 3088 8679 3055 8679
3055 8678 3055 8679 3042 8679 3041 8680
3041 8679 3038 8679 3035 8704 3031 8726
$$
PURDYThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 7:42 PM CDT | Areal Flood Advisory | MOB | Okaloosa | 2 hr |
| Jul 16, 11:19 PM CDT | Areal Flood Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 4 hr |
| Jul 16, 11:30 PM CDT | Flash Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 4 hr |
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.