Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 19, NWS Miami, FL

September 19, 2004Collier County, Florida

NWS Miami, FL issued this tornado warning at Sep 19, 2004, 4:15 PM EDT for Collier 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: Sep 19, 2004, 4:15 PM EDT (20:15 UTC)
Expired: Sep 19, 2004, 5:15 PM EDT
In force: 60 min
Issued by: NWS Miami, FL
Area: Counties, with a storm outline in the text

County Collier County, FL

The radar

The Miami radar (KAMX), 139 km from the middle of the area, began a volume at 20:19 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 nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 8.3 hours before the alert went out and 147 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1761 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 790 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: -3 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 192015
TORMIA
FLC021-192115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
414 PM EDT SUN SEP 19 2004

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN COLLIER COUNTY IN SOUTH FLORIDA.

* UNTIL 515 PM EDT

* AT 414 PM EDT...LOCAL LAW ENFORCEMENT REPORTED MULTIPLE TORNADOES 
IN EAST NAPLES NEAR STATE HIGHWAY 82 AND TAMIAMI TRAIL.

* THE TORNADO WILL AFFECT...
  EAST NAPLES.
  GOODLAND.
  MARCO ISLAND.
  BELLE MEADE.
  SOUTH NAPLES.
  NAPLES.

THIS IS A VERY DANGEROUS STORM...A TORNADO IS ON THE GROUND. IF YOU
ARE NEAR THE PATH OF THIS TORNADO...MOVE TO A SAFE PLACE NOW TAKE
COVER IN A STURDY BUILDING...AWAY FROM OUTSIDE WALLS AND WINDOWS.
MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE SUBSTANTIAL
SHELTER.

LAT...LON 2583 8160 2600 8152 2621 8195 2596 8207

$$
DG/RRH

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 19, 10:26 AM EDT	Special Marine Warning	MFL		64 min
Sep 19, 3:18 PM EDT	Special Marine Warning	MFL		57 min
Sep 19, 3:55 PM EDT	Special Marine Warning	MFL		65 min
Sep 19, 4:10 PM EDT	Severe Thunderstorm Warning	MFL	Collier	65 min
Sep 19, 4:56 PM EDT	Special Marine Warning	MFL		64 min
Sep 19, 5:26 PM EDT	Severe Thunderstorm Warning	MFL	Broward	64 min

Nearby

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