Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 13, NWS Miami, FL

August 13, 2004Glades County, Florida

NWS Miami, FL issued this tornado warning at Aug 13, 2004, 12:17 PM EDT for Glades County, Florida. It was in force for 43 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
Aug 13, 2004, 12:17 PM EDT (16:17 UTC)
Expired
Aug 13, 2004, 1:00 PM EDT
In force
43 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Glades County, FL

The radar

The Melbourne radar (KMLB), 118 km from the middle of the area, began a volume at 16:19 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 13, 7:30 AM EDTTornado WatchSPC10 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 4.3 hours before the alert went out and 149 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 
WFUS52 KMFL 131617
TORMIA
FLC043-131700-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1217 PM EDT FRI AUG 13 2004

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN GLADES COUNTY IN SOUTH FLORIDA.

* UNTIL 100 PM EDT

* AT 1217 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING A TORNADO OVER EASTERN GLADES COUNTY...MOVING NORTH AT 35
  MPH.

* THE STORM WILL AFFECT...
  BRIGHTON SEMINOLE RESERVATION BY 1230 PM EDT.
  BUCKHEAD RIDGE BY 1235 PM EDT.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EDT FRIDAY AFTERNOON
FOR SOUTHERN FLORIDA.

LAT...LON 2685 8110 2687 8090 2750 8092 2748 8120

$$

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, 12:37 PM EDTFlash Flood WarningMFLGlades, Hendry3 hr
Aug 13, 3:05 PM EDTTornado WarningMFLCollier, Hendry25 min

Nearby

Tornado Warnings in Florida, 2004Every tornado warning in 2004Tornadoes 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.