Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 6, NWS Miami, FL

April 13, 2004Broward County, Florida

NWS Miami, FL issued this tornado warning at Apr 13, 2004, 4:15 AM EDT for Broward County, Florida. It was in force for 60 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
Apr 13, 2004, 4:15 AM EDT (08:15 UTC)
Expired
Apr 13, 2004, 5:15 AM EDT
In force
60 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Broward County, FL

The radar

The Miami radar (KAMX), 60 km from the middle of the area, began a volume at 08:18 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
Apr 13, 2:45 AM EDTTornado WatchSPC5 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 8.3 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 00:00Z on 2004-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 joules per kilogram.LCLLFCEL10008507005003002001001 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, Miami, FL at 00:00Z on 2004-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.19395878Sfc1 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
262 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1327 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

513 
WFUS52 KMFL 130815
TORMIA
FLC011-130915-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
414 AM EDT TUE APR 13 2004

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN BROWARD COUNTY IN SOUTHEAST FLORIDA
  THIS INCLUDES THE CITIES OF...WESTON...TAMARAC...SUNRISE...POMPANO
  BEACH...PLANTATION...MARGATE...DEERFIELD BEACH...FORT LAUDERDALE...
  DAVIE...CORAL SPRINGS

* UNTIL 515 AM EDT

* AT 413 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES
  SOUTHWEST OF INTERSECTION I-75 AND U.S. 27...OR ABOUT 11 MILES
  SOUTHWEST OF WESTON...MOVING NORTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PORT
  EVERGLADES...LAUDERDALE BY THE SEA...HILLSBORO BEACH...WILTON
  MANORS...SOUTHWEST RANCHES...SAWGRASS MILLS MALL...PARKLAND...
  OAKLAND PARK...NORTH LAUDERDALE...LIGHTHOUSE POINT...LAUDERDALE
  LAKES...LAUDERHILL AND COCONUT CREEK.

THIS IS A DANGEROUS SITUATION. TAKE COVER NOW MOVE TO AN INTERIOR 
ROOM OR HALLWAY ON THE LOWEST FLOOR. LEAVE MOBILE HOMES AND VEHICLES 
FOR REINFORCED SHELTER. STAY AWAY FROM WINDOWS.

LAT...LON 2610 8061 2600 8057 2608 8009 2631 8006
          2631 8034

$$

HANDEL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 11:13 PM EDTSpecial Marine WarningMFL2 hr
Apr 13, 1:10 AM EDTSpecial Marine WarningMFL2 hr
Apr 13, 1:55 AM EDTTornado WarningMFLCollier, Monroe65 min
Apr 13, 3:05 AM EDTTornado WarningMFLCollier25 min
Apr 13, 4:10 AM EDTSpecial Marine WarningMFL2 hr
Apr 13, 4:29 AM EDTSpecial Marine WarningMFL2 hr
Apr 13, 4:35 AM EDTTornado WarningMFLCollier55 min
Apr 13, 5:20 AM EDTSpecial Marine WarningMFL115 min
Apr 13, 5:38 AM EDTSpecial Marine WarningMFL2 hr
Apr 13, 5:48 AM EDTSpecial Marine WarningMFL42 min
Apr 13, 7:10 AM EDTSpecial Marine WarningMFL65 min
Apr 13, 7:42 AM EDTSpecial Marine WarningMFL93 min
Apr 13, 7:42 AM EDTSpecial Marine WarningMFL93 min
Apr 13, 12:56 PM EDTSpecial Marine WarningMFL49 min
Apr 13, 1:42 PM EDTSevere Thunderstorm WarningMFLCollier33 min
Apr 13, 2:00 PM EDTSpecial Marine WarningMFL90 min
Apr 13, 2:34 PM EDTTornado WarningMFLBroward, Miami-Dade56 min
Apr 13, 3:23 PM EDTSpecial Marine WarningMFL2 hr
Apr 13, 3:23 PM EDTSpecial Marine WarningMFL2 hr
Apr 13, 3:52 PM EDTSevere Thunderstorm WarningMFLMiami-Dade23 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.