Alert archive / Florida / Flash Flood Warnings in 2014

Flash Flood Warning 15, NWS Mobile, AL

April 14, 2014Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Apr 14, 2014, 8:48 PM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 117 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
Apr 14, 2014, 8:48 PM CDT (01:48 UTC)
Expired
Apr 14, 2014, 10:45 PM CDT
In force
117 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 81 km from the middle of the area, began a volume at 01:49 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
Apr 14, 9:25 PM CDTFLASH FLOOD2 Wnw Molino, FLINTERSECTION OF HWY 29 AND HWY 97 CLOSED DUE TO FLOODING.

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.8 hours before the alert went out and 287 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, Birmingham, AL at 00:00Z on 2014-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 00:00Z on 2014-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939587897Sfc1 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
7 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
840 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

419 
WGUS54 KMOB 150148
FFWMOB
FLC033-113-150345-
/O.NEW.KMOB.FF.W.0015.140415T0148Z-140415T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
848 PM CDT MON APR 14 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  NORTHWESTERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 1045 PM CDT

* AT 847 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
  SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL OVER 
  THE WARNED AREA. RADAR ESTIMATES SHOW 2 TO 4 INCHES OF RAIN HAS
  FALLEN OVER THE PAST HOUR 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...
  WHITFIELD...          PINE LEVEL...         WHITING FIELD...
  POINT BAKER...        JAY...                MOLINO...
  GONZALEZ...           CANTONMENT...

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 3049 8743 3052 8745 3058 8741 3060 8741
      3061 8740 3066 8740 3068 8741 3074 8753
      3078 8754 3082 8759 3098 8711 3074 8691
      3047 8743

$$
1 follow-up statement
317 
WGUS74 KMOB 150323
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1023 PM CDT MON APR 14 2014

FLC033-113-150345-
/O.CON.KMOB.FF.W.0015.000000T0000Z-140415T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA ROSA FL-ESCAMBIA FL-
1023 PM CDT MON APR 14 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR
CENTRAL ESCAMBIA AND NORTHWESTERN SANTA ROSA COUNTIES...

LAW ENFORCEMENT REPORTS THAT THE INTERSECTION OF HIGHWAYS 29 AND 97 
NEAR MOLINO WERE CLOSED DUE TO FLASH FLOODING.

NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES THAT 3 TO 5 INCHES 
OF RAIN WITH ISOLATED AMOUNTS OVER 6 INCHES HAS FALLEN OVER THE 
WARNED AREA THIS EVENING. EXCESSIVE RUNOFF FROM THE HEAVY RAINS WILL 
LIKELY CAUSE CONTINUED FLASH FLOODING IN THE WARNED AREA.

LOCATIONS IMPACTED INCLUDE...
WHITFIELD...          PINE LEVEL...         WHITING FIELD...  
POINT BAKER...        JAY...                MOLINO...  
GONZALEZ...           CANTONMENT...

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 3049 8743 3052 8745 3058 8741 3060 8741
      3061 8740 3066 8740 3068 8741 3074 8753
      3078 8754 3082 8759 3098 8711 3074 8691
      3047 8743

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 8:28 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa62 min
Apr 14, 8:50 PM CDTSevere Thunderstorm WarningMOBOkaloosa55 min
Apr 14, 10:06 PM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa3 hr
Apr 14, 10:45 PM CDTAreal Flood WarningMOBEscambia, Santa Rosa6 hr
Apr 14, 10:54 PM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa3 hr
Apr 15, 1:09 AM CDTAreal Flood WarningMOBEscambia, Okaloosa, Santa Rosa6 hr
Apr 15, 1:46 AM CDTAreal Flood WarningMOBOkaloosa, Santa Rosa6 hr
Apr 15, 2:08 AM CDTRiver Flood WarningMOBOkaloosa65 hr
Apr 15, 4:49 AM CDTFreeze WatchMOB9 hr
Apr 15, 4:49 AM CDTWind AdvisoryMOB13 hr
Apr 15, 9:30 AM CDTRiver Flood WarningMOBEscambia14 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.