Alert archive / Florida / Flash Flood Warnings in 2003

Flash Flood Warning 5, NWS Miami, FL

August 25, 2003Glades County, Florida

NWS Miami, FL issued this flash flood warning at Aug 25, 2003, 8:37 PM EDT for Glades County, Florida. It was in force for 3 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
Aug 25, 2003, 8:37 PM EDT (00:37 UTC)
Expired
Aug 26, 2003, 12:00 AM EDT
In force
3 hr
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Glades County, FL

The radar

The Tampa radar (KTBW), 125 km from the middle of the area, began a volume at 00:39 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

Tampa Bay, FL (KTBW), launched 00:00Z, 0.6 hours before the alert went out and 125 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, Tampa Bay, FL at 00:00Z on 2003-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 246 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, Tampa Bay, FL at 00:00Z on 2003-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
246 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1002 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
-1 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 KMFL 260044
FFWMIA
FLC043-260400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
837 PM EDT MON AUG 25 2003

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CENTRAL GLADES COUNTY IN SOUTHERN FLORIDA

* UNTIL MIDNIGHT EDT

* AT 837 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
VERY HEAVY RAIN OVER WESTERN SECTIONS OF GLADES COUNTY BETWEEN ROADS 
74 AND 720. RADAR INDICATED HEAVY RAIN...UP TO 3 TO 5 INCHES HAVE 
FALLEN IN STRONG THUNDERSTORMS OVER THE AREA IN THE PAST THREE HOURS.

THIS HEAVY THUNDERSTORMS HAVE BEEN MOVING SLOWLY NORTHWARD AND WILL 
AFFECT THIS AREA FOR THE HOURS OR SO.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF ROAD FLOODING. DRIVE VERY CAUTIOUSLY.

DO NOT DRIVE YOUR VEHICLE THROUGH AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER MAY OBSCURE DEEP CANALS OR PONDS.

A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU
ARE IN THE WARNING AREA MOVE TO A SAFER LOCATION IMMEDIATELY.

LAT...LON 2703 8141 2681 8142 2680 8156 2703 8156

$$

GARCIA

Nearby

Flash Flood Warnings in Florida, 2003Every flash flood warning in 2003

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.