Alert archive / Florida / Tornado Warnings in 2004

Tornado Warning 5, NWS Miami, FL

April 13, 2004Collier County, Florida

NWS Miami, FL issued this tornado warning at Apr 13, 2004, 3:05 AM EDT for Collier County, Florida. It was in force for 25 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, 3:05 AM EDT (07:05 UTC)
Expired: Apr 13, 2004, 3:30 AM EDT
In force: 25 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), 65 km from the middle of the area, began a volume at 07:09 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.

Issued	Product	Office	Lasted
Apr 13, 2:45 AM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 7.1 hours before the alert went out and 70 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: 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.

815 
WFUS52 KMFL 130705
TORMIA
FLC021-130730-

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

THE NATIONAL WEATHER SERVICE IN MIAMI HAS EXTENDED THE

* TORNADO WARNING FOR...
  SOUTHEASTERN COLLIER COUNTY IN SOUTHWEST FLORIDA

* UNTIL 330 AM EDT

* AT 259 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER EXTREME
  SOUTHEASTERN COLLIER COUNTY...OR ABOUT 6 MILES EAST OF MONROE
  STATION...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE   
  INDICATED COUNTY ALONG AND NORTH OF THE TAMIAMI TRAIL...U.S.       
  HIGHWAY 41.

SEEK SHELTER IN AN INTERIOR ROOM OF A STURDY BUILDING IF YOU ARE IN 
THE PATH OF THIS STORM.


LAT...LON 2588 8106 2581 8101 2586 8088 2604 8089

$$

HANDEL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 11:13 PM EDT	Special Marine Warning	MFL		2 hr
Apr 13, 1:10 AM EDT	Special Marine Warning	MFL		2 hr
Apr 13, 1:55 AM EDT	Tornado Warning	MFL	Collier, Monroe	65 min
Apr 13, 4:10 AM EDT	Special Marine Warning	MFL		2 hr
Apr 13, 4:15 AM EDT	Tornado Warning	MFL	Broward	60 min
Apr 13, 4:29 AM EDT	Special Marine Warning	MFL		2 hr
Apr 13, 4:35 AM EDT	Tornado Warning	MFL	Collier	55 min
Apr 13, 5:20 AM EDT	Special Marine Warning	MFL		115 min
Apr 13, 5:38 AM EDT	Special Marine Warning	MFL		2 hr
Apr 13, 5:48 AM EDT	Special Marine Warning	MFL		42 min
Apr 13, 7:10 AM EDT	Special Marine Warning	MFL		65 min
Apr 13, 7:42 AM EDT	Special Marine Warning	MFL		93 min
Apr 13, 7:42 AM EDT	Special Marine Warning	MFL		93 min
Apr 13, 12:56 PM EDT	Special Marine Warning	MFL		49 min
Apr 13, 1:42 PM EDT	Severe Thunderstorm Warning	MFL	Collier	33 min
Apr 13, 2:00 PM EDT	Special Marine Warning	MFL		90 min
Apr 13, 2:34 PM EDT	Tornado Warning	MFL	Broward, Miami-Dade	56 min
Apr 13, 3:23 PM EDT	Special Marine Warning	MFL		2 hr
Apr 13, 3:23 PM EDT	Special Marine Warning	MFL		2 hr
Apr 13, 3:52 PM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	23 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.