Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 1, NWS Key West, FL

June 5, 2009Monroe County, Florida

NWS Key West, FL issued this tornado warning at Jun 5, 2009, 7:56 PM EDT for Monroe County, Florida. It was in force for 22 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 5, 2009, 7:56 PM EDT (23:56 UTC)
Expired
Jun 5, 2009, 8:18 PM EDT
In force
22 min
Issued by
NWS Key West, FL
Area
Storm-based polygon

County Monroe County, FL

The radar

The Key West radar (KBYX), 14 km from the middle of the area, began a volume at 23:56 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, 11.9 hours before the alert went out and 17 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 2009-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2242 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 2009-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939Sfc1 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
2242 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KKEY 052356
TORKEY
FLC087-060030-
/O.NEW.KKEY.TO.W.0001.090605T2356Z-090606T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
756 PM EDT FRI JUN 5 2009

THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A

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

* UNTIL 830 PM EDT

* AT 752 PM EDT...TRAINED WEATHER SPOTTERS REPORTED NUMEROUS
  WATERSPOUTS ALONG A LINE EXTENDING FROM BAY POINT TO SUGARLOAF
  KEY AND MAY MOVE ONSHORE AT ANY TIME. THESE TORNADO PRODUCING
  STORMS WERE NEARLY STATIONARY.

* TORNADO PRODUCING STORMS WILL BE NEAR...
  LOWER SUGARLOAF AND SUGARLOAF KEY

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

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A LOW SPOT ON THE GROUND
AND COVER YOUR HEAD WITH YOUR HANDS.

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.

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 2461 8162 2462 8162 2464 8160 2464 8158
      2462 8158 2464 8157 2464 8150 2463 8150
      2461 8152
TIME...MOT...LOC 2354Z 271DEG 1KT 2462 8160 2463 8151

$$

11
1 follow-up statement
000 
WWUS52 KKEY 060018
SVSKEY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
818 PM EDT FRI JUN 5 2009

FLC087-060024-
/O.CAN.KKEY.TO.W.0001.000000T0000Z-090606T0030Z/
LOWER KEYS IN MONROE FL-
818 PM EDT FRI JUN 5 2009

...THE TORNADO WARNING FOR LOWER KEYS IN MONROE COUNTY IS CANCELED...

AT 810 PM...A TRAINED SPOTTER REPORTED THAT ALL WATERSPOUTS HAVE 
DISSIPATED...AND NO FURTHER REPORTS OF WATERSPOUTS HAVE BEEN 
RECEIVED SINCE. THEREFORE...THE TORNADO WARNING FOR SUGARLOAF AND 
LOWER SUGARLOAF KEY HAS BEEN CANCELED.

RESIDENTS IN THE LOWER KEYS SHOULD CONTINUE TO BE ALERT TO THE 
POTENTIAL FOR FURTHER WATERSPOUT DEVELOPMENT NEAR LAND...AS 
CONDITIONS WILL STILL BE FAVORABLE FOR WATERSPOUT DEVELOPMENT IN 
THIS AREA. IN ADDITION...SHOWERS AND THUNDERSTORMS OVER THE EASTERN 
LOWER KEYS WILL CONTINUE TO PRODUCE WIND GUSTS OF UP TO 30 
MPH...BLINDING DOWNPOURS...AND FREQUENT LIGHTNING STRIKES.

STAY TUNED TO NOAA WEATHER RADIO FOR ADDITIONAL STATEMENTS AND 
POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE IN KEY WEST.

LAT...LON 2461 8162 2462 8162 2464 8160 2464 8158
      2462 8158 2464 8157 2464 8150 2463 8150
      2461 8152
TIME...MOT...LOC 0014Z 271DEG 1KT 2462 8159 2463 8150

$$

11

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 2:20 AM EDTSpecial Marine WarningKEY25 min
Jun 5, 2:27 AM EDTSpecial Marine WarningKEY33 min
Jun 5, 3:07 AM EDTSpecial Marine WarningKEY38 min
Jun 5, 5:14 AM EDTAreal Flood AdvisoryKEYMonroe2 hr
Jun 5, 2:25 PM EDTSpecial Marine WarningKEY65 min
Jun 5, 4:38 PM EDTSpecial Marine WarningKEY67 min
Jun 5, 5:44 PM EDTSpecial Marine WarningKEY61 min
Jun 5, 5:51 PM EDTSpecial Marine WarningKEY54 min
Jun 5, 6:45 PM EDTSpecial Marine WarningKEY60 min
Jun 5, 7:40 PM EDTSpecial Marine WarningKEY65 min
Jun 5, 7:44 PM EDTSpecial Marine WarningKEY40 min

Nearby

Tornado Warnings in Florida, 2009Every tornado warning in 2009Tornadoes in 2009

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.