Alert archive / Florida / Flash Flood Warnings in 2002

Flash Flood Warning 6, NWS Tallahassee, FL

September 14, 20024 counties in Florida

NWS Tallahassee, FL issued this flash flood warning at Sep 14, 2002, 11:25 AM EDT for 4 counties in Florida. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 14, 2002, 11:25 AM EDT (15:25 UTC)
Expired
Sep 14, 2002, 12:15 PM EDT
In force
50 min
Issued by
NWS Tallahassee, FL
Area
Counties, with a storm outline in the text

Counties Jefferson County, FL, Leon County, FL, Taylor County, FL, Wakulla County, FL

The radar

The Tallahassee radar (KTLH), 26 km from the middle of the area, began a volume at 15:24 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, 3.4 hours before the alert went out and 24 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 2002-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1184 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 2002-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 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
1184 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
-102 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 
WGUS52 KTAE 141525
FFWTLH
FLC065-073-123-129-141615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1119 AM EDT SAT SEP 14 2002

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON COUNTY IN FLORIDA
  THIS INCLUDES MONTICELLO
  EASTERN LEON COUNTY IN FLORIDA
  NORTHWESTERN TAYLOR COUNTY IN FLORIDA
  EAST CENTRAL WAKULLA COUNTY IN FLORIDA

* UNTIL 1215 PM EDT

* AT 1112 AM EDT(1012 AM CDT)...RADAR INDICATED THAT THE HEAVY BAND 
OF PRECIPITATION WITH RAIN RATES OF 2 TO 3 INCHES PER HOUR CONTINUED 
TO MOVE TO THE NORTHEAST AT 20 MILES PER HOUR INTO EASTERN WAKULLA 
...EASTERN LEON...WESTERN JEFFERSON AND SOUTHWEST TAYLOR COUNTIES.  

* DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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. IT ONLY TAKES A FOOT OR TWO OF FLOWING WATER TO SWEEP MOST
  CARS AWAY. REMEMBER...MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.

* RESIDENTS IN FLOOD PRONE AREAS SHOULD MONITOR FLOOD CONDITIONS
  AND BE PREPARED TO MOVE TO HIGHER GROUND SHOULD FLOOD WATERS
  THREATEN. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY MOVE TO
  HIGHER GROUND TO ESCAPE FLOOD WATERS.

* DO NOT DRIVE THROUGH FLOWING WATER. NEARLY HALF OF ALL FLOOD
  FATALITIES ARE VEHICLE RELATED.

LAT...LON 3068 8435 3065 8385 3033 8378 2994 8368
          3014 8416 3032 8421

.END

52-LANIER

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 10:40 AM EDTFlash Flood WarningTAEGadsden, Jefferson, Leon, Wakulla20 min
Sep 14, 10:48 AM EDTFlash Flood WarningTAEGadsden, Jefferson, Leon, Wakulla12 min
Sep 14, 10:52 AM EDTFlash Flood WarningTAEGadsden, Jefferson, Leon, Wakulla2 hr
Sep 14, 12:18 PM EDTFlash Flood WarningTAEJefferson57 min
Sep 14, 2:15 PM EDTFlash Flood WarningTAELeon, Wakulla60 min
Sep 14, 2:55 PM EDTFlash Flood WarningTAEJefferson, Madison, Taylor50 min

Nearby

Flash Flood Warnings in Florida, 2002Every flash flood warning in 2002

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.