Alert archive / Florida / Flash Flood Warnings in 1997

Flash Flood Warning 1, NWS Tallahassee, FL

July 22, 1997Washington County, Florida

NWS Tallahassee, FL issued this flash flood warning at Jul 22, 1997, 9:25 AM CDT for Washington County, Florida. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 22, 1997, 9:25 AM CDT (14:25 UTC)
Expired
Jul 22, 1997, 11:30 AM CDT
In force
2 hr
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Washington County, FL

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 2.4 hours before the alert went out and 81 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, Eglin AFB/Valpar, FL at 12:00Z on 1997-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3202 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Eglin AFB/Valpar, FL at 12:00Z on 1997-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -50 square meters per square second.1939Sfc1 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
3202 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-50 m²/s²
0-3 km storm-relative helicity
-25 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.

000 
TTAA00 KTLH 221428
FFWTLH
FLC133-221630-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
925 AM CDT TUE JUL 22 1997
 
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 1130 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST FLORIDA
 
   ...WASHINGTON COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO SHOW AN AREA OF
THUNDERSTORMS OVER THE EASTERN PART OF WASHINGTON COUNTY MOVING SLOWLY
TO THE NORTH NORTHEAST AT 5 TO 10 MPH. THIS AREA OF STORMS WAS PRODUCING
RAINFALL AT THE RATE OF TWO TO THREE INCHES PER HOUR. RADAR ESTIMATES
THAT OVER FIVE INCHES OF RAIN HAS FALLEN OVER THIS AREA IN THE PAST
THREE HOURS.
 
IN ADDITION...A NEW AREA OF SHOWERS AND THUNDERSTORMS DEVELOPING OVER
THE WESTERN PART OF WASHINGTON COUNTY WILL MOVE NORTHEAST AND PRODUCE
ADDITIONAL RAINFALL WHICH WILL AGGRAVATE DRAINAGE PROBLEMS. SOME
FLOODING HAS BEEN REPORTED ALONG STATE HIGHWAY 77 SOUTH OF CHIPLEY.
ADDITIONAL FLOODING IS LIKELY...MAINLY OVER THE NORTHEASTERN PART OF
WASHINGTON COUNTY...THROUGH LATE MORNING.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALzLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
 
&

Nearby

Flash Flood Warnings in Florida, 1997Every flash flood warning in 1997

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.