Alert archive / Florida / Tornado Warnings in 2007

Tornado Warning 2, NWS Key West, FL

February 12, 2007Monroe County, Florida

NWS Key West, FL issued this tornado warning at Feb 12, 2007, 8:20 AM EST for Monroe County, Florida. It was in force for 30 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
Feb 12, 2007, 8:20 AM EST (13:20 UTC)
Expired
Feb 12, 2007, 8:50 AM EST
In force
30 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), 94 km from the middle of the area, began a volume at 13:21 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, 1.3 hours before the alert went out and 96 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 2007-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 167 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Key West, FL at 12:00Z on 2007-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.1939587897117Sfc1 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
167 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
782 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS52 KKEY 121323 RRA
TORKEY
FLC087-121350-
/O.NEW.KKEY.TO.W.0002.070212T1320Z-070212T1350Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
820 AM EST MON FEB 12 2007

THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A

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

* UNTIL 850 AM EST

* AT 816 AM EST...OUR RADAR DETECTED A WATERSPOUT JUST SOUTH OF LONG
  KEY...DRIFTING NORTH.

* LOCATIONS IN THE PATH INCLUDE MILE MARKER 66 AND 67...THE
  EDGEWATER LODGE...LONG KEY STATE PARK AND THE LONG KEY VIADUCT.

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

LAT...LON 2467 8079 2476 8066 2497 8083 2486 8093

$$

DFM/APA
2 follow-up statements
000 
WWUS52 KKEY 121334
SVSKEY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
829 AM EST MON FEB 12 2007

FLC087-121345-
/O.CON.KKEY.TO.W.0002.000000T0000Z-070212T1345Z/
MIDDLE KEYS IN MONROE FL-UPPER KEYS IN MONROE FL-
829 AM EST MON FEB 12 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 AM EST FOR UPPER
KEYS IN MONROE AND MIDDLE KEYS IN MONROE COUNTIES...

AT 825 AM EST...RADAR CONTINUED TO INDICATE A WATERSPOUT COMING 
ASHORE ON LONG KEY NEAR MILE MARKER 66 AND 67...AS A TORNADO. 
MOVEMENT WAS VERY GRADUALLY TOWARD THE NORTH.

IF YOU ARE IN THE PATH OF THIS STORM...TAKE SHELTER NOW. IF YOU 
SIGHT THIS WHILE DRIVING...PULL OVER AND STOP.

LAT...LON 2482 8078 2480 8078 2480 8082 2479 8084
      2483 8081 2483 8078 2486 8074 2484 8074

$$

DFM/APA
000 
WWUS52 KKEY 121346
SVSKEY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
843 AM EST MON FEB 12 2007

FLC087-121353-
/O.EXP.KKEY.TO.W.0002.000000T0000Z-070212T1345Z/
MIDDLE KEYS IN MONROE FL-
843 AM EST MON FEB 12 2007

...THE TORNADO WARNING FOR MIDDLE KEYS IN MONROE COUNTY EXPIRES AT
845 AM EST...

AT 845 AM...OUR RADAR SIGNATURE CONTINUED TO INDICATE A WATERSPOUT 
COMING ASHORE ON LONG KEY NEAR MILE MARKER 66 AND 67...AS A TORNADO. 
MOVEMENT WAS VERY GRADUALLY TOWARD THE NORTH...TOWARD FLORIDA BAY.

LAT...LON 2482 8078 2480 8078 2480 8082 2479 8084
      2483 8081 2483 8078 2486 8074 2484 8074

$$

DFM/APA

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 12:31 AM ESTSpecial Marine WarningKEY29 min
Feb 12, 2:31 AM ESTSpecial Marine WarningKEY59 min
Feb 12, 3:34 AM ESTSpecial Marine WarningKEY56 min
Feb 12, 4:26 AM ESTSpecial Marine WarningKEY64 min
Feb 12, 6:09 AM ESTSpecial Marine WarningKEY66 min
Feb 12, 7:14 AM ESTSpecial Marine WarningKEY61 min
Feb 12, 8:13 AM ESTSpecial Marine WarningKEY62 min
Feb 12, 8:20 AM ESTTornado WarningKEYMonroe30 min
Feb 12, 8:49 AM ESTTornado WarningKEYMonroe16 min
Feb 12, 9:14 AM ESTSpecial Marine WarningKEY61 min
Feb 12, 10:14 AM ESTSpecial Marine WarningKEY61 min
Feb 12, 10:25 AM ESTSpecial Marine WarningKEY65 min
Feb 12, 11:14 AM ESTSpecial Marine WarningKEY61 min
Feb 12, 12:14 PM ESTSpecial Marine WarningKEY61 min
Feb 12, 2:18 PM ESTSpecial Marine WarningKEY45 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.