Alert archive / Florida / Flash Flood Warnings in 1987
Flash Flood Warning 4, NWS Tallahassee, FL
NWS Tallahassee, FL issued this flash flood warning at Aug 14, 1987, 4:42 PM CDT for Washington County, Florida. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Aug 14, 1987, 4:42 PM CDT (21:42 UTC)
- Expired
- Aug 14, 1987, 5:45 PM CDT
- In force
- 63 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
County Washington County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Apalachicola Mun, FL (KAQQ), launched 12:00Z, 9.7 hours before the alert went out and 117 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.
- Mixed-layer CAPE
- 760 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 530 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KPNS 142142 RRA
FFWPNS
FLC133-142245-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PENSACOLA FL
442 PM CDT FRI AUG 14 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHWEST FLORIDA
...WASHINGTON
AREAS OF FLOODING HAVE BEEN REPORTED BY WASHINGTON COUNTY
AUTHORITIES ON MANY ROADWAYS AND LOW LYING AREAS. RADAR
INDICATES THAT HEAVY RAIN HAS FALLEN AND CONTINUES TO FALL
OVER MUCH OF THE COUNTY MAKING A NUMBER OF ROADS IMPASSABLE.
THE PRESENT RAINFALL WITH THE ADDITION OF MORE RAIN COULD
CAUSE FLOODING IN LOW AND POOR DRAINAGE AREAS. BE PREPARED
TO MOVE TO HIGHER GROUND OR TAKE NECESSARY PRECAUTIONS AND
DO NOT ATTEMPT TO DRIVE THROUGH HIGH WATERS.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS..3.OR LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 14, 2:12 PM CDT, 2 hours 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TALLAHASSEE FL 310 PM EDT FRI AUG 14 1987 ...RAINFALL CONTINUING ACROSS FLORIDA BIG BEND... AT 310 PM EDT RAIN CONTINUED ACROSS NORTH FLORIDA AND FLORIDA PANHANDLE FROM PERRY TO TALLAHASSEE WESTWARD. ALTHOUGH THE RAINFALL OVER TALLAHASSEE HAS BECOME LIGHTER DURING THE LAST HOUR... RAINFALL ACCUMULATIONS HAVE BEEN HIGH DURING MIDDLE PART OF THE DAY. OVER TWO INCHES OF RAIN HAS FALLEN AT THE TALLAHASSEE AIRPORT SINCE SUNRISE TODAY. WITH THE GROUND ALREADY SATURATED STREETS AND DRAINAGE DITCHES ARE FILLED WITH WATER AND ANY ADDITIONAL RAINFALL WILL QUICKLY FLOOD STREETS AND LOW LYING AREAS. MOTORISTS SHOULD BE EXTRA CAUTIOUS DU/RING THE AFTERNOON RUSH HOUR AS DRIVING CONDITIONS COULD WORSEN RAPIDLY IF HEAVY RAIN DEVELOPS. STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR FURTHER INFORMATION.
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 2:05 PM CDT | Flash Flood Warning | TAE | Escambia | 3 hr |
Nearby
Flash Flood Warnings in Florida, 1987Every flash flood warning in 1987
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.