Alert archive / Florida / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS Miami, FL

August 13, 2004Glades County, Hendry County, Florida

NWS Miami, FL issued this flash flood warning at Aug 13, 2004, 12:37 PM EDT for Glades County, Hendry 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 13, 2004, 12:37 PM EDT (16:37 UTC)
Expired
Aug 13, 2004, 3:30 PM EDT
In force
3 hr
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

Counties Glades County, FL, Hendry County, FL

The radar

The Melbourne radar (KMLB), 100 km from the middle of the area, began a volume at 16:41 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 12:00Z, 4.6 hours before the alert went out and 119 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 12:00Z on 2004-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Tampa Bay, FL at 12:00Z on 2004-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -160 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1607 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-160 m²/s²
0-3 km storm-relative helicity
-117 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 131642
FFWMIA
FLC043-051-131930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1237 PM EDT FRI AUG 13 2004

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HENDRY COUNTY IN SOUTHERN FLORIDA
  GLADES COUNTY IN SOUTHERN FLORIDA

* UNTIL 330 PM EDT

* AT 1235 PM EDT...RADAR IMAGERY SHOWED HEAVY RAINFALL FROM EAST OF  
  DEVILS GARDEN TO MOORE HAVEN...TO LAKEPORT. LOCAL EMERGENCY       
  MANAGEMENT OFFICIALS IN GLADES COUNTY REPORTED TWO AND A HALF      
  INCHES OF RAIN WITHIN MINUTES. THE HEAVIEST RAINFALL HAS           
  PASSED...BUT ADDITIONAL RAINFALL UP TO AN INCH PER HOUR IS         
  POSSIBLE FORTHE NEXT HOUR WHICH WILL AGGRAVATE THE FLOODING        
  SITUATION. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOORE
  HAVEN...LAKEPORT AND BRIGHTON SEMINOLE RESERVATION.

A FEW MAIN ROADS WILL LIKELY BECOME IMPASSABLE WITH THIS EVENT.
MODERATE FLOODING OF UNPROTECTED STRUCTURES OR BUILDINGS ALONG WITH
MODERATE AGRICULTURAL DAMAGE ARE LIKELY. THE FLOODING WILL LIKELY BE
SIMILAR TO THAT CAUSED BY TROPICAL STORM GORDON IN NOVEMBER OF 1994.

LAT...LON 2665 8103 2667 8082 2857 8145 2841 8193

$$

EC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 11:58 PM EDTSevere Thunderstorm WarningMFLMiami-Dade47 min
Aug 13, 1:27 AM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade63 min
Aug 13, 1:29 AM EDTSevere Thunderstorm WarningMFLCollier46 min
Aug 13, 2:54 AM EDTSevere Thunderstorm WarningMFLGlades21 min
Aug 13, 8:44 AM EDTTornado WarningMFLCollier, Hendry46 min
Aug 13, 10:54 AM EDTSevere Thunderstorm WarningMFLCollier, Hendry51 min
Aug 13, 10:56 AM EDTSevere Thunderstorm WarningMFLHendry49 min
Aug 13, 11:06 AM EDTTornado WarningMFLHendry39 min
Aug 13, 11:41 AM EDTSpecial Marine WarningMFL64 min
Aug 13, 11:45 AM EDTTornado WarningMFLGlades, Hendry30 min
Aug 13, 12:17 PM EDTTornado WarningMFLGlades43 min
Aug 13, 3:05 PM EDTTornado WarningMFLCollier, Hendry25 min

Nearby

Flash Flood Warnings in Florida, 2004Every flash flood warning in 2004

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.