Alert archive / Florida / Tornado Warnings in 2003

Tornado Warning 21, NWS Miami, FL

August 9, 2003Palm Beach County, Florida

NWS Miami, FL issued this tornado warning at Aug 9, 2003, 3:26 PM EDT for Palm Beach County, Florida. It was in force for 64 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, 3:26 PM EDT (19:26 UTC)
Expired
Aug 9, 2003, 4:30 PM EDT
In force
64 min
Issued by
NWS Miami, FL
Area
Counties, with a storm outline in the text

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 116 km from the middle of the area, began a volume at 19:27 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, 7.4 hours before the alert went out and 92 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 091926
TORMIA
FLC099-092030-

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

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL PALM BEACH COUNTY IN SOUTHEAST FLORIDA

* UNTIL 430 PM EDT

* AT 324 PM EDT... A SKYWARN WEATHER SPOTTER REPORTED A SEVERAL 
FUNNEL CLOUDS WITH A DISTINCT WALL CLOUD 5 MILES SOUTH OF 
WELLINGTON...MOVING NORTH AT 15 MPH.


* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 430 PM EDT...
  WELLINGTON
  GREENACRES CITY
  LION COUNTRY SAFARI
  ROYAL PALM BEACH AND HAVERHILL
  FAU NORTH CAMPUS AND PALM BEACH GARDENS

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT. THEY WILL RELAY YOUR REPORT TO
THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MIAMI. OR YOU CAN
ALSO CALL THE NATIONAL WEATHER SERVICE IN MIAMI DIRECTLY AT 305 229
4522 TO REPORT SEVERE WEATHER.

LAT...LON 2654 8039 2650 8019 2681 8010 2685 8036

.END

ROTHFUSS

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, 2:00 PM EDTTornado WarningMFLBroward, Palm Beach30 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.