Alert archive / Florida / Tornado Warnings in 2007

Tornado Warning 3, NWS Key West, FL

February 12, 2007Monroe County, Florida

NWS Key West, FL issued this tornado warning at Feb 12, 2007, 8:49 AM EST for Monroe County, Florida. It was in force for 16 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, 8:49 AM EST (13:49 UTC)
Expired
Feb 12, 2007, 9:05 AM EST
In force
16 min
Issued by
NWS Key West, FL
Area
Counties, with a storm outline in the text

County Monroe County, FL

The radar

The Miami radar (KAMX), 94 km from the middle of the area, began a volume at 13:49 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, 1.8 hours before the alert went out and 97 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°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 121351
TORKEY
FLC087-121405-
/O.NEW.KKEY.TO.W.0003.070212T1349Z-070212T1405Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
849 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 905 AM EST

* AT 847 AM EST...DOPPLER RADAR INDICATED A ROTATING THUNDERSTORM 
  NEAR CRAIG KEY...MOVING NORTHEAST NEAR 10 MPH. THIS THUNDERSTORM 
  IS CAPABLE OF PRODUCING A   TORNADO.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LOWER
  MATECUMBE KEY

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

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

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 2480 8090 2475 8076 2492 8068 2498 8081

$$
BS
1 follow-up statement
000 
WWUS52 KKEY 121404
SVSKEY

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

FLC087-121415-
/O.EXP.KKEY.TO.W.0003.000000T0000Z-070212T1405Z/
MIDDLE KEYS IN MONROE FL-UPPER KEYS IN MONROE FL-
904 AM EST MON FEB 12 2007

...THE TORNADO WARNING FOR UPPER KEYS IN MONROE AND MIDDLE KEYS IN
MONROE COUNTIES EXPIRES AT 905 AM EST...

THE ROTATING THUNDERSTORM NEAR LONG KEY HAS WEAKENED. THEREFORE...
THE TORNADO WARNING FOR THE UPPER AND MIDDLE KEYS WILL BE ALLOWED TO 
EXPIRE AT 905 AM EST. 

LAT...LON 2484 8072 2483 8076 2480 8078 2479 8084
      2483 8081 2484 8075 2488 8071 2491 8071
      2491 8069 2491 8069

$$
BS

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, 8:20 AM ESTTornado WarningKEYMonroe30 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.