Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 20, NWS Miami, FL

June 24, 2012Collier County, Hendry County, Florida

NWS Miami, FL issued this tornado warning at Jun 24, 2012, 12:01 PM EDT for Collier County, Hendry County, Florida. It was in force for 29 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 24, 2012, 12:01 PM EDT (16:01 UTC)
Expired
Jun 24, 2012, 12:30 PM EDT
In force
29 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

Counties Collier County, FL, Hendry County, FL

The radar

The Miami radar (KAMX), 126 km from the middle of the area, began a volume at 16:02 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 24, 11:47 AM EDTTornado WatchSPC8 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 4.0 hours before the alert went out and 119 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, Miami, FL at 12:00Z on 2012-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3139 joules per kilogram.LCLEL10008507005003002001001 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, Miami, FL at 12:00Z on 2012-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 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
3139 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.0
Supercell composite
8.6

Open this sounding in Storm Lab

The text

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

236 
WFUS52 KMFL 241601
TORMFL
FLC021-051-241630-
/O.NEW.KMFL.TO.W.0020.120624T1601Z-120624T1630Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
1201 PM EDT SUN JUN 24 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL HENDRY COUNTY IN SOUTHERN FLORIDA...
  NORTH CENTRAL COLLIER COUNTY IN SOUTHWEST FLORIDA...

* UNTIL 1230 PM EDT

* AT 1158 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER NORTH
  CENTRAL COLLIER COUNTY...MOVING NORTH AT 30 MPH.

  THIS STORM IS ALSO CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
  60 MPH.

* THE TORNADO WILL BE NEAR...
  RURAL CENTRAL HENDRY COUNTY
  AND SURROUNDING COMMUNITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER INSIDE A STURDY BUILDING ON THE LOWEST FLOOR...AWAY FROM
EXTERIOR WALLS AND WINDOWS. GET UNDER A WORKBENCH OR OTHER PIECE OF
STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR
SOUTHERN FLORIDA.

&&

LAT...LON 2661 8129 2648 8106 2628 8125 2634 8134
TIME...MOT...LOC 1601Z 201DEG 25KT 2638 8127

$$

MJB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 8:03 PM EDTSpecial Weather StatementMFLPalm Beach27 min
Jun 23, 8:47 PM EDTSpecial Marine WarningMFL58 min
Jun 23, 8:48 PM EDTSpecial Weather StatementMFLPalm Beach27 min
Jun 23, 9:43 PM EDTSpecial Marine WarningMFL47 min
Jun 24, 2:18 AM EDTSpecial Marine WarningMFL57 min
Jun 24, 3:13 AM EDTSpecial Marine WarningMFL62 min
Jun 24, 5:45 AM EDTSpecial Marine WarningMFL60 min
Jun 24, 6:44 AM EDTSpecial Marine WarningMFL61 min
Jun 24, 7:13 AM EDTSpecial Weather StatementMFLBroward32 min
Jun 24, 7:40 AM EDTSpecial Marine WarningMFL65 min
Jun 24, 7:45 AM EDTSpecial Weather StatementMFLBroward30 min
Jun 24, 8:14 AM EDTSpecial Weather StatementMFLBroward31 min
Jun 24, 8:41 AM EDTSpecial Marine WarningMFL64 min
Jun 24, 8:57 AM EDTSpecial Weather StatementMFLCollier48 min
Jun 24, 9:10 AM EDTSpecial Marine WarningMFL35 min
Jun 24, 9:48 AM EDTSpecial Marine WarningMFL57 min
Jun 24, 10:25 AM EDTSpecial Weather StatementMFLBroward35 min
Jun 24, 10:44 AM EDTSpecial Marine WarningMFL61 min
Jun 24, 10:48 AM EDTSpecial Weather StatementMFLGlades27 min
Jun 24, 10:53 AM EDTSpecial Weather StatementMFLPalm Beach52 min
Jun 24, 10:59 AM EDTSpecial Weather StatementMFLCollier46 min
Jun 24, 11:02 AM EDTTornado WarningMFLPalm Beach28 min
Jun 24, 11:12 AM EDTSpecial Marine WarningMFL33 min
Jun 24, 11:27 AM EDTTornado WarningMFLPalm Beach33 min
Jun 24, 11:28 AM EDTSpecial Weather StatementMFLGlades32 min
Jun 24, 11:31 AM EDTTornado WarningMFLCollier29 min
Jun 24, 11:40 AM EDTTornado WarningMFLGlades35 min
Jun 24, 11:49 AM EDTSevere Thunderstorm WarningMFLPalm Beach26 min
Jun 24, 11:56 AM EDTTornado WarningMFLCollier34 min
Jun 24, 12:07 PM EDTTornado WarningMFLGlades23 min
Jun 24, 12:18 PM EDTTornado WarningMFLCollier33 min
Jun 24, 12:20 PM EDTSpecial Marine WarningMFL115 min
Jun 24, 12:20 PM EDTTornado WarningMFLPalm Beach25 min
Jun 24, 12:22 PM EDTTornado WarningMFLCollier, Glades, Hendry53 min
Jun 24, 12:26 PM EDTTornado WarningMFLCollier, Hendry34 min
Jun 24, 12:43 PM EDTTornado WarningMFLCollier, Hendry32 min
Jun 24, 12:44 PM EDTSpecial Weather StatementMFLPalm Beach31 min
Jun 24, 12:57 PM EDTTornado WarningMFLPalm Beach33 min
Jun 24, 12:58 PM EDTTornado WarningMFLGlades, Hendry32 min
Jun 24, 1:01 PM EDTSpecial Weather StatementMFLPalm Beach29 min
Jun 24, 1:05 PM EDTSpecial Weather StatementMFLGlades40 min
Jun 24, 1:10 PM EDTTornado WarningMFLPalm Beach35 min
Jun 24, 1:14 PM EDTAreal Flood AdvisoryMFLPalm Beach4 hr
Jun 24, 1:23 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade23 min
Jun 24, 1:27 PM EDTTornado WarningMFLGlades33 min
Jun 24, 1:28 PM EDTSpecial Marine WarningMFL32 min
Jun 24, 1:50 PM EDTTornado WarningMFLGlades25 min
Jun 24, 1:54 PM EDTSpecial Marine WarningMFL66 min
Jun 24, 1:56 PM EDTSpecial Weather StatementMFLPalm Beach34 min
Jun 24, 2:13 PM EDTTornado WarningMFLGlades, Hendry32 min
Jun 24, 2:18 PM EDTSpecial Weather StatementMFLBroward27 min
Jun 24, 2:32 PM EDTSpecial Weather StatementMFLMartin28 min
Jun 24, 2:43 PM EDTTornado WarningMFLGlades, Hendry47 min
Jun 24, 2:54 PM EDTSpecial Marine WarningMFL2 hr
Jun 24, 2:55 PM EDTSpecial Marine WarningMFL65 min
Jun 24, 3:12 PM EDTSpecial Weather StatementMFLPalm Beach48 min
Jun 24, 3:28 PM EDTTornado WarningMFLGlades, Hendry62 min
Jun 24, 5:01 PM EDTSpecial Marine WarningMFL89 min
Jun 24, 5:47 PM EDTSpecial Weather StatementMFLPalm Beach28 min
Jun 24, 6:09 PM EDTSpecial Weather StatementMFLPalm Beach36 min
Jun 24, 6:26 PM EDTSpecial Marine WarningMFL64 min
Jun 24, 6:27 PM EDTSpecial Marine WarningMFL93 min
Jun 24, 6:34 PM EDTTornado WarningMFLPalm Beach26 min
Jun 24, 7:39 PM EDTSpecial Marine WarningMFL66 min

Nearby

Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes in 2012

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.