Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

May 28, 2012Hendry County, Florida

NWS Miami, FL issued this special weather statement at May 28, 2012, 3:21 PM EDT for Hendry County, Florida. It was in force for 39 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
May 28, 2012, 3:21 PM EDT (19:21 UTC)
Expired
May 28, 2012, 4:00 PM EDT
In force
39 min
Issued by
NWS Miami, FL

County Hendry County, FL

The radar

The Miami radar (KAMX), 114 km from the middle of the area, began a volume at 19:21 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, 7.4 hours before the alert went out and 104 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 2012-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1204 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 2012-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1204 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
8 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.

662 
WWUS82 KMFL 281921
SPSMFL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
321 PM EDT MON MAY 28 2012

FLZ066-067-070-071-282000-
HENDRY FL INLAND BROWARD COUNTY FL INLAND COLLIER COUNTY FL INLAND
PALM BEACH COUNTY FL 
321 PM EDT MON MAY 28 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  EXTREME NORTHWESTERN BROWARD COUNTY 
  EXTREME SOUTHWESTERN PALM BEACH COUNTY 
  SOUTHEASTERN HENDRY COUNTY 
  EXTREME EAST CENTRAL COLLIER COUNTY 

* UNTIL 400 PM EDT

* AT 317 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM 4 MILES NORTH OF BIG CYPRESS SEMINOLE INDIAN
  RESERVATION...AND MOVING NORTH AT 20 MPH.

* THE STORM WILL AFFECT...
  RURAL EASTERN HENDRY COUNTY
  RURAL WESTERN PALM BEACH COUNTY
  AND SURROUNDING COMMUNITIES.

FREQUENT LIGHTNING...GUSTY WINDS FROM 45 TO 55 MPH...SMALL 
HAIL...TORRENTIAL DOWNPOURS...OR A COMBINATION OF THESE ARE POSSIBLE. 
LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. TREES 
AND OPEN SHELTERS OFFER NO PROTECTION. THESE WINDS CAN DOWN SMALL 
TREE LIMBS AND BRANCHES...AND BLOW AROUND UNSECURED SMALL OBJECTS. 
SEEK SHELTER IN A SAFE BUILDING UNTIL THE STORM PASSES.

LAT...LON 2660 8121 2660 8084 2625 8086 2627 8113
TIME...MOT...LOC 1921Z 197DEG 19KT 2638 8094

$$

MJB

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 2:53 PM EDTSpecial Weather StatementMFLPalm Beach52 min
May 28, 3:23 PM EDTSpecial Weather StatementMFLBroward52 min
May 28, 3:30 PM EDTSpecial Weather StatementMFLPalm Beach30 min
May 28, 3:48 PM EDTSpecial Weather StatementMFLPalm Beach42 min
May 28, 3:59 PM EDTSevere Thunderstorm WarningMFLPalm Beach46 min
May 28, 4:08 PM EDTSpecial Weather StatementMFLBroward52 min
May 28, 4:35 PM EDTSevere Thunderstorm WarningMFLPalm Beach55 min
May 28, 4:42 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach48 min
May 28, 5:30 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade, Palm Beach90 min
May 28, 6:12 PM EDTSpecial Marine WarningMFL93 min

Nearby

Special Weather Statements in Florida, 2012Every special weather statement 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.