Alert archive / Florida / Tornado Warnings in 2007

Tornado Warning 4, NWS Key West, FL

June 1, 2007Monroe County, Florida

NWS Key West, FL issued this tornado warning at Jun 1, 2007, 4:32 PM EDT for Monroe County, Florida. It was in force for 28 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
Jun 1, 2007, 4:32 PM EDT (20:32 UTC)
Expired
Jun 1, 2007, 5:00 PM EDT
In force
28 min
Issued by
NWS Key West, FL
Area
Counties, with a storm outline in the text

County Monroe County, FL

The radar

The Key West radar (KBYX), 92 km from the middle of the area, began a volume at 20:35 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

Key West, FL (KEYW), launched 12:00Z, 8.5 hours before the alert went out and 95 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, Key West, FL at 12:00Z on 2007-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 55 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, Key West, FL at 12:00Z on 2007-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.193958Sfc1 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
55 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
853 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
277 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 KKEY 012033
TORKEY
FLC087-012100-
/O.NEW.KKEY.TO.W.0004.070601T2032Z-070601T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
432 PM EDT FRI JUN 1 2007

THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A

* TORNADO WARNING FOR...
  MIDDLE KEYS IN MONROE COUNTY IN FLORIDA...

* UNTIL 500 PM EDT

* AT 431 PM EDT...RADAR DETECTED A WATERSPOUT 8 MILES SOUTH OF LONG 
KEY...OR ABOUT 18 MILES EAST OF MARATHON...MOVING NORTH AT 20 MPH.

* THE TORNADO WILL BE NEAR LONG KEY BY 450 PM EDT...

WATERSPOUTS THAT MOVE ONSHORE ARE DANGEROUS AND CAN BE DEADLY. IF
THREATENING WEATHER APPROACHES...SEE SHELTER IMMEDIATELY

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE KEY WEST
AT 3 0 5...2 9 5...1 3 1 6...EXTENSION 3.

LAT...LON 2463 8082 2465 8072 2484 8077 2482 8087

$$

CB/FUTTERMAN
2 follow-up statements
000 
WWUS52 KKEY 012044
SVSKEY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
443 PM EDT FRI JUN 1 2007

FLC087-012100-
/O.CON.KKEY.TO.W.0004.000000T0000Z-070601T2100Z/
MIDDLE KEYS IN MONROE FL-
443 PM EDT FRI JUN 1 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR MIDDLE
KEYS IN MONROE COUNTY...

AT 439 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS APPROACHING LONG KEY...OR 
ABOUT 17 MILES EAST OF MARATHON...MOVING NORTH AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LAYTON.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS. GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER
ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM
SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND
ALWAYS STAY AWAY FROM WINDOWS.


LAT...LON 2463 8082 2465 8072 2484 8077 2482 8087

$$

CB/FUTTERMAN
000 
WWUS52 KKEY 012100
SVSKEY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
500 PM EDT FRI JUN 1 2007

FLC087-012108-
/O.EXP.KKEY.TO.W.0004.000000T0000Z-070601T2100Z/
MIDDLE KEYS IN MONROE FL-
500 PM EDT FRI JUN 1 2007

...THE TORNADO WARNING FOR MIDDLE KEYS IN MONROE COUNTY EXPIRED AT
500 PM EDT...

KEY WEST RADAR NOW INDICATES THAT THE TORNADO HAS WEAKENED. THERE 
ARE NO OTHER SIGNATURES ON RADAR...THEREFORE THE TORNADO WARNING HAS 
EXPIRED.

LAT...LON 2463 8082 2465 8072 2484 8077 2482 8087

$$

CB/FUTTERMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 11:03 AM EDTSpecial Marine WarningKEY57 min
Jun 1, 11:55 AM EDTSpecial Marine WarningKEY65 min
Jun 1, 7:57 PM EDTSpecial Marine WarningKEY63 min
Jun 1, 7:57 PM EDTSpecial Marine WarningKEY63 min

Nearby

Tornado Warnings in Florida, 2007Every tornado warning in 2007Tornadoes in 2007

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.