Alert archive / Florida / Tornado Warnings in 2013

Tornado Warning 2, NWS Key West, FL

June 5, 2013Monroe County, Florida

NWS Key West, FL issued this tornado warning at Jun 5, 2013, 11:05 PM EDT for Monroe County, Florida. It was in force for 40 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, 2013, 11:05 PM EDT (03:05 UTC)
Expired
Jun 5, 2013, 11:45 PM EDT
In force
40 min
Issued by
NWS Key West, FL
Area
Storm-based polygon

County Monroe County, FL

The radar

The Key West radar (KBYX), 67 km from the middle of the area, began a volume at 03:08 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 00:00Z, 3.1 hours before the alert went out and 70 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 00:00Z on 2013-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1531 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 00:00Z on 2013-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 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
1531 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

Open this sounding in Storm Lab

The text

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

767 
WFUS52 KKEY 060305
TORKEY
FLC087-060345-
/O.NEW.KKEY.TO.W.0002.130606T0305Z-130606T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KEY WEST FL
1105 PM EDT WED JUN 5 2013

THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A

* TORNADO WARNING FOR...
  MIDDLE KEYS IN MONROE COUNTY IN FLORIDA...
  THIS INCLUDES THE COMMUNITIES OF...EAST END OF SEVEN MILE BRIDGE...
  MARATHON...

* UNTIL 1145 PM EDT

* AT 1058 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  VIOLENT WATERSPOUT 11 MILES SOUTHEAST OF MARATHON...MOVING NORTH AT
  20 MPH.

* THE TORNADO WILL BE NEAR...
  MARATHON...BOOT KEY AND EAST END OF SEVEN MILE BRIDGE
  KNIGHT KEY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

&&

LAT...LON 2471 8114 2470 8116 2471 8116 2472 8110
      2475 8104 2474 8102 2476 8101 2478 8093
      2476 8092 2476 8094 2471 8102 2472 8104
      2471 8106 2469 8107 2468 8111
TIME...MOT...LOC 0304Z 165DEG 17KT 2459 8102

$$
1 follow-up statement
236 
WWUS52 KKEY 060348
SVSKEY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE KEY WEST FL
1148 PM EDT WED JUN 5 2013

FLC087-060358-
/O.EXP.KKEY.TO.W.0002.000000T0000Z-130606T0345Z/
MIDDLE KEYS IN MONROE FL-
1148 PM EDT WED JUN 5 2013

...THE TORNADO WARNING FOR MIDDLE KEYS IN MONROE COUNTY HAS
EXPIRED...


LAT...LON 2471 8114 2470 8116 2471 8116 2472 8110
      2475 8104 2474 8102 2476 8101 2478 8093
      2476 8092 2476 8094 2471 8102 2472 8104
      2471 8106 2469 8107 2468 8111
TIME...MOT...LOC 0305Z 165DEG 17KT 2459 8102

$$
JOHNSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 8:37 PM EDTSpecial Marine WarningKEY53 min
Jun 5, 8:54 PM EDTSpecial Marine WarningKEY66 min
Jun 5, 9:01 PM EDTSpecial Marine WarningKEY59 min
Jun 5, 9:12 PM EDTSpecial Marine WarningKEY63 min
Jun 5, 9:21 PM EDTSmall Craft AdvisoryKEY14 hr
Jun 5, 9:28 PM EDTSpecial Marine WarningKEY62 min
Jun 5, 9:40 PM EDTSpecial Marine WarningKEY65 min
Jun 5, 10:20 PM EDTSpecial Marine WarningKEY55 min
Jun 5, 10:37 PM EDTTornado WarningKEYMonroe38 min
Jun 5, 10:52 PM EDTSpecial Marine WarningKEY53 min
Jun 5, 11:19 PM EDTSpecial Marine WarningKEY56 min
Jun 5, 11:40 PM EDTSpecial Marine WarningKEY65 min
Jun 6, 12:12 AM EDTSpecial Marine WarningKEY48 min
Jun 6, 12:51 AM EDTSpecial Marine WarningKEY54 min
Jun 6, 3:32 AM EDTSpecial Marine WarningKEY28 min
Jun 6, 3:50 PM EDTSmall Craft AdvisoryKEY13 hr
Jun 6, 4:15 PM EDTSpecial Marine WarningKEY60 min
Jun 6, 4:56 PM EDTSpecial Marine WarningKEY64 min
Jun 6, 5:04 PM EDTSpecial Marine WarningKEY56 min
Jun 6, 5:43 PM EDTSpecial Marine WarningKEY62 min
Jun 6, 5:49 PM EDTSpecial Marine WarningKEY56 min
Jun 6, 6:32 PM EDTSpecial Marine WarningKEY58 min
Jun 6, 6:39 PM EDTSpecial Marine WarningKEY51 min

Nearby

Tornado Warnings in Florida, 2013Every tornado warning in 2013Tornadoes in 2013

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.