Alert archive / Florida / Flash Flood Warnings in 2007

Flash Flood Warning 5, NWS Mobile, AL

October 19, 2007Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Alabama

NWS Mobile, AL issued this flash flood warning at Oct 19, 2007, 9:37 AM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Alabama. 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
Oct 19, 2007, 9:37 AM CDT (14:37 UTC)
Expired
Oct 19, 2007, 3:30 PM CDT
In force
6 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Baldwin County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 99 km from the middle of the area, began a volume at 14:37 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, 2.6 hours before the alert went out and 254 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, Tallahassee Rgnl, FL at 12:00Z on 2007-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Tallahassee Rgnl, FL at 12:00Z on 2007-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 191447
FFWMOB
ALC003-FLC033-091-113-192030-
/O.NEW.KMOB.FF.W.0005.071019T1437Z-071019T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
937 AM CDT FRI OCT 19 2007

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLOOD WARNING FOR...
  SOUTHERN 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...
  SOUTHEASTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 330 PM CDT

* AT 930 AM CDT...LOCAL LAW ENFORCEMENT AND EMERGENCY MANAGEMENT
  AGENCIES CONTINUE TO REPORT PROBLEMS WITH PROLONGED STANDING WATER
  AND WASHED OUT ROADWAYS. THEREFORE...AN AREAL FLOOD WARNING HAS
  BEEN ISSUED THROUGH THE MID AFTERNOON HOURS. WEATHER SERVICE RADAR
  IS DETECTING ONLY SPORADIC LIGHT RAIN ACROSS THE WARNED AREA THAT
  CONTINUES TO DETERIORATE. NO ADDITIONAL SIGNIFICANT RAINFALL IS
  EXPECTED FOR THE REMINDER OF THE DAY...BUT FLOOD WATERS ARE
  EXPECTED TO RECEDE AT A VERY SLOW RATE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  ELSANOR...PACE...MILTON NEAR WHITING FIELD...MILTON...
  MILLIGAN...HOLT...HAROLD...GONZALEZ...GALLIVER...DORCAS...
  DEERLAND...CRESTVIEW AIRPORT...COTTAGE HILL...CANTONMENT...
  BAKER...BAGDAD AND ALLENTOWN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL...RANGING FROM 7 INCHES ALONG 
THE I-10 CORRIDOR UP TO TWO FEET AROUND THE GULF BREEZE AREA...THE 
PAST TWO DAYS CONTINUES TO CAUSE FLOODING OF SMALL CREEKS AND 
STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND 
FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING 
AREAS ARE SUBJECT TO FLOODING.

FLOOD WATERS ARE MOVING DOWN THE SHOAL RIVER. THE FLOOD CREST IS 
EXPECTED TO REACH 1.3 ABOVE FLOOD STAGE AT CRESTVIEW OVER THE 
WEEKEND.

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 FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MOBILE.

LAT...LON 3046 8784 3077 8715 3085 8638 3046 8639
      3049 8646 3043 8657 3039 8640 3040 8673
      3024 8773
TIME...MOT...LOC 1437Z 180DEG 0KT 3054 8721

$$
JP

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 18, 9:22 PM CDTSpecial Marine WarningMOB23 min
Oct 18, 9:53 PM CDTSpecial Marine WarningMOB52 min
Oct 18, 10:40 PM CDTFlash Flood WatchMOB14 hr
Oct 19, 12:45 AM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa3 hr
Oct 19, 1:05 AM CDTMarine Weather StatementMOB115 min
Oct 19, 1:57 AM CDTSpecial Marine WarningMOB63 min
Oct 19, 3:54 AM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa3 hr
Oct 19, 4:58 AM CDTSpecial Marine WarningMOB107 min
Oct 19, 5:36 AM CDTSpecial Marine WarningMOB84 min
Oct 19, 6:57 AM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa3 hr
Oct 19, 6:58 AM CDTSpecial Marine WarningMOB92 min
Oct 19, 9:54 AM CDTRiver Flood WarningMOBOkaloosa49 hr
Oct 19, 1:47 PM CDTFire Weather WatchMOBWalton15 hr
Oct 19, 7:29 AM CDTFlash Flood WarningMOBBaldwin2 hr

Nearby

Flash Flood Warnings in Florida, 2007Flash Flood Warnings in Alabama, 2007Every flash flood warning in 2007

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.