Alert archive / Florida / Flash Flood Warnings in 2002

Flash Flood Warning 19, NWS Tallahassee, FL

September 15, 2002Taylor County, Florida

NWS Tallahassee, FL issued this flash flood warning at Sep 15, 2002, 2:10 PM EDT for Taylor 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 outline as issued.

The facts

Issued: Sep 15, 2002, 2:10 PM EDT (18:10 UTC)
Expired: Sep 15, 2002, 4:15 PM EDT
In force: 2 hr
Issued by: NWS Tallahassee, FL
Area: Counties, with a storm outline in the text

County Taylor County, FL

The radar

The Tallahassee radar (KTLH), 81 km from the middle of the area, began a volume at 18:09 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, 6.2 hours before the alert went out and 78 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: 2635 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 459 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS52 KTAE 151810
FFWTLH
FLC123-152015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
209 PM EDT SUN SEP 15 2002

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  TAYLOR COUNTY IN FLORIDA
  THIS INCLUDES PERRY

* UNTIL 415 PM EDT

* AT 209 PM EDT...SEVERE FLOODING WAS REPORTED BY LAW ENFORCEMENT
  OFFICIALS IN PERRY...WITH WATER IN SEVERAL HOMES.

* 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 3024 8338 2987 8361 3000 8383 3028 8354

.END

8-JAMSKI

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 14, 10:39 PM EDT	Flash Flood Warning	TAE	Walton	81 min
Sep 14, 11:14 PM EDT	Flash Flood Warning	TAE	Bay, Calhoun, Jackson, Washington	91 min
Sep 15, 12:42 AM EDT	Flash Flood Warning	TAE	Jackson	78 min
Sep 15, 1:06 AM EDT	Tornado Warning	TAE	Jackson	11 days
Sep 15, 2:05 AM EDT	Flash Flood Warning	TAE	Jackson	115 min

Nearby

Flash Flood Warnings in Florida, 2002 Every 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.