Alert archive / Florida / Tornado Warnings in 2004
Tornado Warning 4, NWS EYW
NWS EYW issued this tornado warning at Aug 13, 2004, 9:58 AM EDT for Monroe County, Florida. It was in force for 47 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 13, 2004, 9:58 AM EDT (13:58 UTC)
- Expired
- Aug 13, 2004, 10:45 AM EDT
- In force
- 47 min
- Issued by
- NWS EYW
- Area
- Counties, with a storm outline in the text
County Monroe County, FL
The radar
The Key West radar (KBYX), 11 km from the middle of the area, began a volume at 14:02 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 |
|---|---|---|---|
| Aug 13, 7:30 AM EDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 2.0 hours before the alert went out and 9 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.
- Mixed-layer CAPE
- 1395 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
689 WFUS52 KEYW 131358 TOREYW FLC087-131445- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE KEY WEST FL 956 AM EDT FRI AUG 13 2004 THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A * TORNADO WARNING FOR... LOWER KEYS IN MONROE COUNTY IN FLORIDA THIS INCLUDES THE CITY OF KEY WEST * UNTIL 1045 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING VIOLENT WATERSPOUT 15 MILES SOUTH SOUTHWEST OF KEY WEST...MOVING NORTH TO NORTHEAST AT OVER 45 MPH. * SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 1045 AM EDT... KEY WEST AND STOCK ISLAND... BOCA CHICA AND BIG COPPITT KEY... OFTEN...IN SITUATIONS SUCH AS THIS...MULTIPLE TORNADOES OCCUR. BE PREPARED FOR THE OCCURRENCE OF MULTIPLE TORNADOES. STAY IN A SAFE PLACE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM EDT FRIDAY AFTERNOON FOR FLORIDA. LAT...LON 2436 8196 2431 8177 2487 8156 2494 8180 $$
The office that day
Everything else NWS EYW issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 9:43 PM EDT | Tornado Warning | EYW | Monroe | 62 min |
| Aug 13, 5:49 AM EDT | Tornado Warning | EYW | Monroe | 26 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.