Alert archive / Florida / Tornado Warnings in 2003

Tornado Warning 20, NWS Miami, FL

August 9, 2003Broward County, Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Aug 9, 2003, 2:00 PM EDT for Broward County, Palm Beach County, Florida. It was in force for 30 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 9, 2003, 2:00 PM EDT (18:00 UTC)
Expired
Aug 9, 2003, 2:30 PM EDT
In force
30 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

Counties Broward County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 81 km from the middle of the area, began a volume at 18:01 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

Miami, FL (KMFL), launched 12:00Z, 6.0 hours before the alert went out and 54 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 2003-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1542 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 12:00Z on 2003-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
1542 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
7 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 091800
TORMIA
FLC011-099-091830-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
200 PM EDT SAT AUG 9 2003

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BROWARD COUNTY IN SOUTHEAST FLORIDA
  EXTREME SOUTHEASTERN PALM BEACH COUNTY IN SOUTHEAST FLORIDA

* UNTIL 230 PM EDT

* AT 200 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO OVER FORT LAUDERDALE...MOVING NORTHEAST AT 15
  MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 230 PM EDT...
  OAKLAND PARK
  WILTON MANORS AND LAUDERDALE BY THE SEA
  POMPANO BEACH AND POMPANO BEACH AIRPORT
  LIGHTHOUSE POINT
  DEERFIELD BEACH
  HILLSBORO BEACH

IF YOU ARE NEAR THE PATH OF THIS TORNADO...SEEK SHELTER IN A STURDY
BUILDING ON THE LOWEST FLOOR...AWAY FROM OUTSIDE WALLS AND WINDOWS.
GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND STAY AWAY FROM WINDOWS.

LAT...LON 2615 8028 2602 8013 2638 7966 2658 7987

.END

LUSHINE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 12:13 AM EDTSevere Thunderstorm WarningMFLCollier47 min
Aug 9, 9:13 AM EDTSpecial Marine WarningMFL2 hr
Aug 9, 1:41 PM EDTSevere Thunderstorm WarningMFLBroward64 min
Aug 9, 3:26 PM EDTTornado WarningMFLPalm Beach64 min
Aug 9, 6:35 PM EDTSevere Thunderstorm WarningMFLBroward40 min
Aug 9, 7:21 PM EDTSevere Thunderstorm WarningMFLBroward24 min
Aug 9, 7:51 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade24 min

Nearby

Tornado Warnings in Florida, 2003Every tornado warning in 2003Tornadoes 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.