Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 60, NWS Miami, FL

June 6, 2012Glades County, Hendry County, Palm Beach County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Jun 6, 2012, 4:35 AM EDT for Glades County, Hendry County, Palm Beach County, Florida. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 6, 2012, 4:35 AM EDT (08:35 UTC)
Expired
Jun 6, 2012, 5:15 AM EDT
In force
40 min
Issued by
NWS Miami, FL
Area
Storm-based polygon

Counties Glades County, FL, Hendry County, FL, Palm Beach County, FL

The radar

The Miami radar (KAMX), 137 km from the middle of the area, began a volume at 08:35 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.

What was reported inside it

TimeReportWhereRemark
Jun 6, 5:10 AM EDTTSTM WND GST 483 Ese Clewiston, FLA MESONET SITE NEAR CLEWISTON REPORTED A WIND GUST OF 42 KTS...OR 48 MPH...AT 510 AM EDT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Miami, FL (KMFL), launched 00:00Z, 8.6 hours before the alert went out and 122 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 00:00Z on 2012-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2033 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 00:00Z on 2012-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
2033 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1306 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
38 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.

588 
WUUS52 KMFL 060835
SVRMFL
FLC043-051-099-060915-
/O.NEW.KMFL.SV.W.0060.120606T0835Z-120606T0915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
435 AM EDT WED JUN 6 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL PALM BEACH COUNTY IN SOUTH FLORIDA.
  SOUTHEASTERN GLADES COUNTY IN SOUTH FLORIDA.
  EASTERN HENDRY COUNTY IN SOUTH FLORIDA.

* UNTIL 515 AM EDT

* AT 430 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 12
  MILES SOUTHEAST OF DEVILS GARDEN...AND MOVING NORTH AT 35 MPH.

* THE STORM WILL AFFECT...
  DEVILS GARDEN...
  CLEWISTON...
  AND SURROUNDING COMMUNITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MPH AND
OR LARGE HAIL. FREQUENT TO EXCESSIVE LIGHTNING AND HEAVY RAINFALL IS
ALSO POSSIBLE. IF THE STORM APPROACHES YOUR LOCATION, SEEK SHELTER IN
AN ENCLOSED BUILDING ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS.

SEVERE THUNDERSTORMS CAN ALSO PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN AN INTERIOR
ROOM IN THE LOWEST FLOOR OF YOUR HOUSE OR BUSINESS IF A TORNADO IS
SPOTTED.

&&

LAT...LON 2688 8109 2685 8109 2682 8105 2682 8095
      2680 8095 2677 8094 2674 8085 2671 8081
      2671 8078 2677 8074 2671 8078 2670 8077
      2634 8092 2636 8122 2689 8114
TIME...MOT...LOC 0835Z 186DEG 29KT 2649 8103

$$

MJB
1 follow-up statement
089 
WWUS52 KMFL 060911
SVSMFL

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
511 AM EDT WED JUN 6 2012

FLC043-051-099-060919-
/O.EXP.KMFL.SV.W.0060.000000T0000Z-120606T0915Z/
HENDRY FL-GLADES FL-PALM BEACH FL-
511 AM EDT WED JUN 6 2012

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL PALM BEACH...
SOUTHEASTERN GLADES AND EASTERN HENDRY COUNTIES WILL EXPIRE AT 515 AM
EDT...

NATIONAL WEATHER SERVICE RADAR INDICATES THE STRONGEST WINDS 
ASSOCIATED WITH THIS THUNDERSTORM HAVE MOVED NORTH INTO LAKE 
OKEECHOBEE. THUS THE THUNDERSTORM WARNING WILL EXPIRE AT 515 AM EDT.

HOWEVER, GUSTY WINDS AROUND 50 MPH, SMALL HAIL, AND VERY HEAVY RAINFALL
ARE STILL POSSIBLE.

LAT...LON 2688 8109 2685 8109 2682 8105 2682 8095
      2680 8095 2677 8094 2674 8085 2671 8081
      2671 8078 2677 8074 2671 8078 2670 8077
      2634 8092 2636 8122 2689 8114
TIME...MOT...LOC 0909Z 186DEG 29KT 2676 8100

$$

MJB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 2:56 AM EDTSpecial Weather StatementMFLCollier49 min
Jun 6, 3:02 AM EDTSpecial Marine WarningMFL58 min
Jun 6, 3:21 AM EDTSpecial Weather StatementMFLCollier24 min
Jun 6, 3:41 AM EDTSevere Thunderstorm WarningMFLCollier, Hendry34 min
Jun 6, 3:47 AM EDTSpecial Weather StatementMFLCollier43 min
Jun 6, 4:12 AM EDTSpecial Weather StatementMFLCollier, Hendry48 min
Jun 6, 4:19 AM EDTSpecial Weather StatementMFLHendry41 min
Jun 6, 4:37 AM EDTSpecial Weather StatementMFLBroward23 min
Jun 6, 4:59 AM EDTSpecial Marine WarningMFL68 min
Jun 6, 5:05 AM EDTSpecial Marine WarningMFL85 min
Jun 6, 5:14 AM EDTSpecial Weather StatementMFLCollier46 min
Jun 6, 5:24 AM EDTSevere Thunderstorm WarningMFLCollier51 min
Jun 6, 5:31 AM EDTSpecial Weather StatementMFLCollier44 min
Jun 6, 5:39 AM EDTSevere Thunderstorm WarningMFLCollier42 min
Jun 6, 5:42 AM EDTTornado WarningMFLCollier28 min
Jun 6, 5:55 AM EDTSpecial Weather StatementMFLPalm Beach35 min
Jun 6, 6:19 AM EDTSpecial Weather StatementMFLPalm Beach41 min
Jun 6, 6:44 AM EDTSpecial Weather StatementMFLPalm Beach31 min
Jun 6, 6:47 AM EDTSpecial Marine WarningMFL58 min
Jun 6, 7:01 AM EDTSevere Thunderstorm WarningMFLPalm Beach44 min
Jun 6, 7:18 AM EDTSevere Thunderstorm WarningMFLPalm Beach27 min
Jun 6, 7:29 AM EDTSpecial Weather StatementMFLMiami-Dade46 min
Jun 6, 7:33 AM EDTSpecial Weather StatementMFLMiami-Dade42 min
Jun 6, 7:36 AM EDTSevere Thunderstorm WarningMFLMiami-Dade39 min
Jun 6, 7:40 AM EDTSpecial Marine WarningMFL65 min
Jun 6, 7:40 AM EDTSpecial Weather StatementMFLPalm Beach35 min
Jun 6, 7:54 AM EDTSpecial Marine WarningMFL66 min
Jun 6, 8:02 AM EDTSpecial Weather StatementMFLBroward28 min
Jun 6, 8:05 AM EDTSevere Thunderstorm WarningMFLBroward16 min
Jun 6, 8:08 AM EDTSevere Thunderstorm WarningMFLMiami-Dade37 min
Jun 6, 8:37 AM EDTSpecial Marine WarningMFL53 min
Jun 6, 8:38 AM EDTSevere Thunderstorm WarningMFLMiami-Dade37 min
Jun 6, 8:49 AM EDTSpecial Marine WarningMFL56 min
Jun 6, 8:52 AM EDTSpecial Weather StatementMFLPalm Beach23 min
Jun 6, 9:02 AM EDTSpecial Weather StatementMFLMiami-Dade28 min
Jun 6, 2:24 PM EDTSpecial Marine WarningMFL66 min
Jun 6, 2:37 PM EDTSpecial Weather StatementMFLBroward23 min
Jun 6, 3:05 PM EDTSpecial Weather StatementMFLPalm Beach25 min
Jun 6, 3:10 PM EDTSpecial Marine WarningMFL35 min

Nearby

Severe Thunderstorm Warnings in Florida, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.