Alert archive / Florida / Flash Flood Warnings in 2014
Flash Flood Warning 18, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Apr 14, 2014, 10:54 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 3 hr. 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
- Apr 14, 2014, 10:54 PM CDT (03:54 UTC)
- Expired
- Apr 15, 2014, 1:45 AM CDT
- In force
- 3 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), 71 km from the middle of the area, began a volume at 03:54 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 15, 12:00 AM CDT | FLASH FLOOD | Fort Walton Beach, FL | GAP CREEK BRIDGE, GREEN ACRES ROAD, AND LOYD STREET CLOSED IN FT. WALTON BEACH DUE TO FLOODING. HWY 98 AT CODY AVE NEAR HURLBURT FIELD ALSO CLOSED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 3.9 hours before the alert went out and 225 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
- 127 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
769
WGUS54 KMOB 150354
FFWMOB
FLC091-113-150645-
/O.NEW.KMOB.FF.W.0018.140415T0354Z-140415T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1054 PM CDT MON APR 14 2014
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN OKALOOSA COUNTY IN NORTHWEST FLORIDA...
SOUTHEASTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
* UNTIL 145 AM CDT
* AT 1048 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER
MUCH OF SOUTHEASTERN OKALOOSA AND SANTA ROSA COUNTIES. RADAR
ESTIMATES SHOW THAT 2 TO 3 INCHES OF RAIN HAS FALLEN AND
ADDITIONAL HEAVY RAINS WILL SPREAD OVER THE WARNED AREA DURING
THE NEXT HOUR. EXCESSIVE RUNOFF WILL LIKELY CAUSE FLASH FLOODING IN
THE WARNED AREA.
* LOCATIONS IMPACTED INCLUDE...
MIDWAY... OCEAN CITY... FORT WALTON BEACH...
WOODLAWN BEACH... TIGER POINT... NAVARRE BEACH...
SHALIMAR... LAKE LORRAINE... CINCO BAYOU...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. SEEK
HIGHER GROUND IMMEDIATELY. DO NOT DRIVE OR WALK INTO AREAS WHERE
WATER CROSSES A ROAD. TURN AROUND - DON'T DROWN!
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3036 8712 3039 8690 3039 8687 3038 8692
3037 8692 3039 8659 3037 8640 3038 8639
3041 8640 3042 8644 3042 8649 3040 8653
3042 8659 3048 8646 3044 8642 3045 8639
3098 8639 3098 8656 3051 8663 3039 8713
$$1 follow-up statement
699
WGUS74 KMOB 150643
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
143 AM CDT TUE APR 15 2014
FLC091-113-150652-
/O.EXP.KMOB.FF.W.0018.000000T0000Z-140415T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKALOOSA FL-SANTA ROSA FL-
143 AM CDT TUE APR 15 2014
...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 145 AM CDT
FOR SOUTHEASTERN SANTA ROSA AND SOUTHEASTERN OKALOOSA COUNTIES...BUT
WILL BE REPLACED WITH AN AREAL FLOOD WARNING...
AT 144 AM CDT...THE HEAVY RAINFALL THAT PROMPTED THE WARNING FOR
SOUTHEASTERN SANTA ROSA AND SOUTHEASTERN OKALOOSA COUNTIES HAS
SUBSIDED SUFFICIENTLY THAT THE THREAT OF FLASH FLOODING HAS ENDED.
HOWEVER...A NEW AREAL FLOOD WARNING WILL BE ISSUED WILL COVER MUCH
OF THE WARNED AREA TO ALLOW FOR POOR DRAINAGE AREAS TO DRAIN.
LAT...LON 3036 8712 3039 8690 3039 8687 3038 8692
3037 8692 3039 8659 3037 8640 3038 8639
3041 8640 3042 8644 3042 8649 3040 8653
3042 8659 3048 8646 3044 8642 3045 8639
3098 8639 3098 8656 3051 8663 3039 8713
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 8:28 PM CDT | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 62 min |
| Apr 14, 8:48 PM CDT | Flash Flood Warning | MOB | Escambia, Santa Rosa | 117 min |
| Apr 14, 8:50 PM CDT | Severe Thunderstorm Warning | MOB | Okaloosa | 55 min |
| Apr 14, 10:06 PM CDT | Flash Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 3 hr |
| Apr 14, 10:45 PM CDT | Areal Flood Warning | MOB | Escambia, Santa Rosa | 6 hr |
| Apr 15, 1:09 AM CDT | Areal Flood Warning | MOB | Escambia, Okaloosa, Santa Rosa | 6 hr |
| Apr 15, 1:46 AM CDT | Areal Flood Warning | MOB | Okaloosa, Santa Rosa | 6 hr |
| Apr 15, 2:08 AM CDT | River Flood Warning | MOB | Okaloosa | 65 hr |
| Apr 15, 4:49 AM CDT | Freeze Watch | MOB | 9 hr | |
| Apr 15, 4:49 AM CDT | Wind Advisory | MOB | 13 hr | |
| Apr 15, 9:30 AM CDT | River Flood Warning | MOB | Escambia | 14 hr |
Nearby
Flash Flood Warnings in Florida, 2014Every flash flood warning in 2014
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.