Alert archive / Florida / Flash Flood Warnings in 2005

Flash Flood Warning 20, NWS Mobile, AL

April 1, 2005Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Apr 1, 2005, 9:38 AM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 3 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: Apr 1, 2005, 9:38 AM CST (15:38 UTC)
Expired: Apr 1, 2005, 12:30 PM CST
In force: 3 hr
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 3.6 hours before the alert went out and 257 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1455 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 333 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 011539
FFWMOB
FLC033-091-113-011830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
938 AM CST FRI APR 1 2005

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  OKALOOSA COUNTY IN NORTHWEST FLORIDA
  ESCAMBIA COUNTY IN NORTHWEST FLORIDA
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA

* UNTIL 1230 PM CST

* AT 930 AM CST...LOCAL LAW ENFORCEMENT OFFICIALS CONTINUE TO REPORT
  NUMEROUS FLOODED ROADWAYS ACROSS THE AREA. NATIONAL WEATHER SERVICE
  DOPPLER RADAR CONTINUES TO INDICATE ADDITIONAL SHOWERS AND
  THUNDERSTORMS OVER THE GULF WATERS THAT WILL MOVE NORTHEAST OVER THE
  NORTHWEST FLORIDA PANHANDLE THROUGH EARLY AFTERNOON.

ADDITIONAL WIDESPREAD RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE 
THROUGH THE REMAINDER OF THE DAY...WITH UP TO 4 INCHES ALONG AND SOUTH 
OF THE I-10 CORRIDOR.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

LAT...LON 3046 8639 3050 8645 3042 8658 3043 8647
      3039 8639 3041 8673 3028 8753 3044 8734
      3053 8745 3060 8739 3068 8739 3074 8751
      3086 8762 3099 8759 3099 8639

$$

1 follow-up statement

000 
WGUS74 KMOB 011754
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1154 AM CST FRI APR 1 2005

FLC033-091-113-011830-
OKALOOSA FL-ESCAMBIA FL-SANTA ROSA FL-
1154 AM CST FRI APR 1 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1230 PM CST FOR SANTA
ROSA...ESCAMBIA AND OKALOOSA COUNTIES...

AT 1150 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR HAS INDICATED 
THAT THE THUNDERSTORMS THAT PRODUCED THE VERY HEAVY RAINS AND FLASH 
FLOODING OVER THE WARNED AREA ARE ENDING FROM WEST TO EAST ACROSS THE 
NORTHWEST FLORIDA PANHANDLE.

ALTHOUGH THE RAINS HAVE TAPERED OFF...SOME FLOODING PROBLEMS REMAIN. 
THE EXCESSIVE RUNOFF WILL CONTINUE TO CAUSE FLOODING OF SMALL CREEKS 
AND STREAMS...HIGHWAYS AND UNDERPASSES...AND OTHER LOW LYING AREAS THAT 
ARE SUBJECT TO FLOODING.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3046 8639 3050 8645 3042 8658 3043 8647
      3039 8639 3041 8673 3028 8753 3044 8734
      3053 8745 3060 8739 3068 8739 3074 8751
      3086 8762 3099 8759 3099 8639

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 6:22 PM CST	Flash Flood Warning	MOB	Okaloosa, Santa Rosa	4 hr
Mar 31, 7:30 PM CST	Flash Flood Warning	MOB	Escambia	2 hr
Mar 31, 9:27 PM CST	Flash Flood Warning	MOB	Escambia	3 hr
Mar 31, 10:04 PM CST	Severe Thunderstorm Warning	MOB	Okaloosa	26 min
Mar 31, 10:12 PM CST	Flash Flood Warning	MOB	Okaloosa, Santa Rosa	4 hr
Apr 1, 12:20 AM CST	Flash Flood Warning	MOB	Escambia	3 hr
Apr 1, 12:34 AM CST	Severe Thunderstorm Warning	MOB	Escambia, Okaloosa, Santa Rosa	56 min
Apr 1, 1:27 AM CST	Severe Thunderstorm Warning	MOB	Okaloosa	18 min
Apr 1, 1:42 AM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	18 min
Apr 1, 2:00 AM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	60 min
Apr 1, 2:25 AM CST	Flash Flood Warning	MOB	Escambia, Okaloosa, Santa Rosa	4 hr
Apr 1, 4:45 AM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	75 min
Apr 1, 6:07 AM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	53 min
Apr 1, 6:30 AM CST	Flash Flood Warning	MOB	Escambia, Okaloosa, Santa Rosa	3 hr
Apr 1, 6:30 AM CST	Flash Flood Warning	MOB	Escambia, Okaloosa, Santa Rosa	30 min
Apr 1, 7:09 AM CST	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	66 min

Nearby

Flash Flood Warnings in Florida, 2005 Every flash flood warning in 2005

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.