Alert archive / Florida / Flash Flood Warnings in 2007

Flash Flood Warning 2, NWS Mobile, AL

October 19, 2007Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Oct 19, 2007, 3:54 AM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 3 hr. 2 reports 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
Oct 19, 2007, 3:54 AM CDT (08:54 UTC)
Expired
Oct 19, 2007, 7:00 AM CDT
In force
3 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), 99 km from the middle of the area, began a volume at 08:57 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
Oct 19, 4:05 AM CDTFLASH FLOODNavarre, FLDRAINAGE POND COMPROMISED NEAR NAVARRE. WATER COVERS SECTIONS OF HIGHWAY 98. A PORTION OF HIGHWAY 98 IS REPORTED CLOSED.
Oct 19, 4:15 AM CDTFLASH FLOODWest Pensacola, FLFLOODING ON ANTHONY STREET AND AT THE BROWN MOBILE HOME PARK IN WEST PENSACOLA. EVACUATIONS ARE UNDERWAY FOR MOBILE HOME RESIDENTS.

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, 8.9 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 00:00Z on 2007-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 189 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 00:00Z on 2007-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
189 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 190904
FFWMOB
FLC033-091-113-191200-
/O.NEW.KMOB.FF.W.0002.071019T0854Z-071019T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

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...
  SOUTHERN OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITIES OF...FORT WALTON BEACH...DESTIN...
  SOUTHERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITY OF NAVARRE...

* UNTIL 700 AM CDT

* AT 403 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO 
  SHOW THUNDERSTORMS IMPACTING THE WARNED AREA. STORM MOVEMENT IS SLOW...
  SUGGESTING THAT THE THREAT OF HEAVY RAINFALL WILL CONTINUE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  NICEVILLE...VALPARAISO...PACE...MILTON...HAROLD...GONZALEZ...FERRY
  PASS...ENSLEY...COTTAGE HILL...CANTONMENT...BEULAH AND BAGDAD

MANY AREAS ALONG AND SOUTH OF INTERSTATE 10 OVER THE WESTERN FLORIDA 
PANHANDLE HAVE SEEN UPWARDS OF A HALF TO AROUND A FOOT OF RAIN ON 
THURSDAY. LOCAL DOPPLER WEATHER RADAR PRECIPITATION ESTIMATES SUGGEST
THAT 3 TO POSSIBLY AS HIGH AS 5 INCHES OF ADDITIONAL RAIN HAS FALLEN
FROM NEAR BELFOREST TO GULF BREEZE SINCE LATE THURSDAY NIGHT. 

ADDITIONAL HEAVY RAINFALL AMOUNTS AROUND 2 INCHES ARE POSSIBLE.

EMERGENCY MANAGEMENT OFFICIALS HAVE RELAYED REPORTS OF STREET 
FLOODING NEAR NAVARRE AND MIDWAY FLORIDA. MANY OTHER STREETS PRONE 
TO FLOODING IN HEAVY RAINS ARE LIKELY TO BE IMPACTED.

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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS 
HARDER TO RECOGNIZE THE DANGERS OF FLOODING. 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.

LAT...LON 3030 8752 3043 8736 3052 8744 3060 8740
      3070 8738 3067 8638 3043 8639 3043 8642
      3038 8640 3037 8653 3039 8669
TIME...MOT...LOC 0854Z 180DEG 0KT 3050 8691

$$

10

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, 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, 9:37 AM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa6 hr
Oct 19, 9:54 AM CDTRiver Flood WarningMOBOkaloosa49 hr
Oct 19, 1:47 PM CDTFire Weather WatchMOBWalton15 hr

Nearby

Flash Flood Warnings in Florida, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.