Alert archive / Florida / Flash Flood Warnings in 2002

Flash Flood Warning 15, NWS Tallahassee, FL

September 15, 2002Jackson County, Florida

NWS Tallahassee, FL issued this flash flood warning at Sep 15, 2002, 1:05 AM CDT for Jackson County, Florida. It was in force for 115 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 15, 2002, 1:05 AM CDT (06:05 UTC)
Expired
Sep 15, 2002, 3:00 AM CDT
In force
115 min
Issued by
NWS Tallahassee, FL
Area
Counties, with a storm outline in the text

County Jackson County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 6.1 hours before the alert went out and 103 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 2002-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Tallahassee Rgnl, FL at 00:00Z on 2002-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
1 J/kg
Mixed-layer CIN
-133 J/kg
Mixed-layer LCL
1106 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
186 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 150605
FFWTLH
FLC063-150800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
102 AM CDT SUN SEP 15 2002

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JACKSON COUNTY IN FLORIDA

* UNTIL 300 AM CDT

* AT 1251 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
VERY HEAVY RAIN CONTINUING OVER SOUTHERN JACKSON COUNTY...WITH AN 
ADDITIONAL 1 TO 2 INCHES OF RAINFALL POSSIBLE DURING THE NEXT FEW 
HOURS. THIS ADDITIONAL RAIN FALLING OVER ALREADY SATURATED GROUND 
WILL CONTINUE THE FLOODING PROBLEMS...MAINLY TO THE SOUTH OF 
MARIANNA.

* 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.

LAT...LON 3061 8543 3078 8541 3099 8550 3099 8522
          3096 8498 3064 8493

.END

17-GOULD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 9:39 PM CDTFlash Flood WarningTAEWalton81 min
Sep 14, 10:14 PM CDTFlash Flood WarningTAEBay, Calhoun, Jackson, Washington91 min
Sep 14, 11:42 PM CDTFlash Flood WarningTAEJackson78 min
Sep 15, 12:06 AM CDTTornado WarningTAEJackson11 days
Sep 15, 1:10 PM CDTFlash Flood WarningTAETaylor2 hr

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.