Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 36, NWS Miami, FL

July 12, 2012Glades County, Hendry County, Florida

NWS Miami, FL issued this tornado warning at Jul 12, 2012, 3:13 PM EDT for Glades County, Hendry County, Florida. It was in force for 17 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
Jul 12, 2012, 3:13 PM EDT (19:13 UTC)
Expired
Jul 12, 2012, 3:30 PM EDT
In force
17 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

Counties Glades County, FL, Hendry County, FL

The radar

The Melbourne radar (KMLB), 145 km from the middle of the area, began a volume at 19:13 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

Miami, FL (KMFL), launched 12:00Z, 7.2 hours before the alert went out and 141 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 2012-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1482 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, Miami, FL at 12:00Z on 2012-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
1482 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
729 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

221 
WFUS52 KMFL 121913
TORMFL
FLC043-051-121930-
/O.NEW.KMFL.TO.W.0036.120712T1913Z-120712T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIAMI FL
313 PM EDT THU JUL 12 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN GLADES COUNTY IN SOUTHERN FLORIDA...
  THIS INCLUDES THE CITY OF MOORE HAVEN...
  NORTH CENTRAL HENDRY COUNTY IN SOUTHERN FLORIDA...

* UNTIL 330 PM EDT

* AT 309 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MOORE N  
  HAVEN...MOVING NORTHWEST AT 15 MPH.

* THE TORNADO WILL BE NEAR...
  MOORE HAVEN...
  AND SURROUNDING COMMUNITIES.

EMERGENCY MANAGEMENT REPORTED A TORNADO NEAR MOORE HAVEN NEAR THE 
INTERSECTION US 27 AND STATE ROAD 78.

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.

&&

LAT...LON 2694 8106 2693 8108 2692 8107 2692 8110
      2689 8111 2688 8109 2685 8108 2682 8105
      2682 8103 2672 8100 2667 8118 2686 8133
      2697 8108
TIME...MOT...LOC 1912Z 154DEG 11KT 2676 8115

$$

85-GIBBS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 3:05 AM EDTSpecial Marine WarningMFL30 min
Jul 12, 3:25 AM EDTSpecial Marine WarningMFL56 min
Jul 12, 6:10 AM EDTSpecial Weather StatementMFLCollier35 min
Jul 12, 11:33 AM EDTSpecial Marine WarningMFL32 min
Jul 12, 12:03 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade57 min
Jul 12, 3:26 PM EDTSpecial Weather StatementMFLCollier19 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.