Alert archive / Florida / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 4, NWS Miami, FL

February 25, 2004Broward County, Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Feb 25, 2004, 1:07 PM EST for Broward County, Palm Beach County, Florida. It was in force for 53 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
Feb 25, 2004, 1:07 PM EST (18:07 UTC)
Expired
Feb 25, 2004, 2:00 PM EST
In force
53 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

Counties Broward County, FL, Palm Beach County, FL

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 25, 10:35 AM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 6.1 hours before the alert went out and 38 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, Miami, FL at 12:00Z on 2004-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 880 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, Miami, FL at 12:00Z on 2004-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 square meters per square second.1939587897Sfc1 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
880 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
597 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.2

Open this sounding in Storm Lab

The text

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

619 
WUUS52 KMFL 251807
SVRMIA
FLC011-099-251900-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
104 PM EST WED FEB 25 2004

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BROWARD COUNTY IN SOUTHEAST FLORIDA
  THIS INCLUDES THE CITIES OF...WESTON...SUNRISE...PEMBROKE PINES...
  MIRAMAR...HOLLYWOOD...HALLANDALE BEACH...DEERFIELD BEACH...
  COOPER CITY...FORT LAUDERDALE...DAVIE...CORAL SPRINGS
  SOUTHEASTERN PALM BEACH COUNTY IN SOUTHEAST FLORIDA
  THIS INCLUDES THE CITY OF BOCA RATON

* UNTIL 200 PM EST

* AT 101 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS. 
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WESTON TO
  INTERSECTION U.S. 27 PINES BLVD...OR ALONG A LINE EXTENDING FROM
  WESTON TO 9 MILES WEST OF MIRAMAR...AND MOVING EAST AT 25 MPH.

  ANOTHER CLUSTER OF STRONG THUNDERSTORMS IS ALSO MOVING ACROSS SOUTHEAST
  PALM BEACH COUNTY AND THEREFORE...A WARNING HAS BEEN ISSUED FOR THAT
  AREA ALSO.

  THE MAIN THREAT WITH ANY OF THESE STORMS WILL BE WIND GUSTS IN EXCESS
  OF 55 MPH.

SEVERE THUNDERSTORMS CAN PRODUCE DAMAGING WINDS IN EXCESS OF 60
MPH...DAMAGING HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

LAT...LON 2616 8041 2622 8037 2634 8024 2647 8014
          2625 8011 2601 8014 2601 8031 2598 8034
          2598 8061

$$

PS

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 9:49 AM ESTSpecial Marine WarningMFL56 min
Feb 25, 10:02 AM ESTSevere Thunderstorm WarningMFLCollier58 min
Feb 25, 10:15 AM ESTSpecial Marine WarningMFL60 min
Feb 25, 10:33 AM ESTTornado WarningMFLCollier27 min
Feb 25, 10:50 AM ESTTornado WarningMFLHendry25 min
Feb 25, 11:30 AM ESTSpecial Marine WarningMFL60 min
Feb 25, 12:00 PM ESTSpecial Marine WarningMFL60 min
Feb 25, 12:07 PM ESTSevere Thunderstorm WarningMFLPalm Beach53 min
Feb 25, 12:56 PM ESTSpecial Marine WarningMFL2 hr
Feb 25, 1:03 PM ESTSevere Thunderstorm WarningMFLMiami-Dade42 min
Feb 25, 1:17 PM ESTSevere Thunderstorm WarningMFLMiami-Dade58 min
Feb 25, 1:20 PM ESTSpecial Marine WarningMFL100 min
Feb 25, 2:54 PM ESTSpecial Marine WarningMFL66 min
Feb 25, 3:05 PM ESTSpecial Marine WarningMFL55 min

Nearby

Severe Thunderstorm Warnings in Florida, 2004Every severe thunderstorm 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.