Alert archive / Florida / Special Weather Statements in 2013

Special Weather Statement, NWS Miami, FL

August 3, 2013Broward County, Florida

NWS Miami, FL issued this special weather statement at Aug 3, 2013, 2:26 PM EDT for Broward County, Florida. It was in force for 34 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
Aug 3, 2013, 2:26 PM EDT (18:26 UTC)
Expired
Aug 3, 2013, 3:00 PM EDT
In force
34 min
Issued by
NWS Miami, FL

County Broward County, FL

The radar

The Miami radar (KAMX), 84 km from the middle of the area, began a volume at 18:27 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 6.4 hours before the alert went out and 237 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, Cape Canaveral, FL at 12:00Z on 2013-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 391 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, Cape Canaveral, FL at 12:00Z on 2013-08-03The 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
391 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
955 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this special weather statement went out at Aug 3, 2:10 PM EDT, 16 minutes earlier.

Area forecast discussion, Aug 3, 2:10 PM EDT, 16 minutes before
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Hazardous weather outlook, Aug 3, 4:03 AM EDT, 10 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
403 AM EDT SAT AUG 3 2013

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
040400-
LAKE OKEECHOBEE-BISCAYNE BAY-
COASTAL WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL OUT 20 NM-
COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL OUT 20 NM-
WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL EXTENDING FROM
20 NM TO 60 NM-
WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL EXTENDING FROM 20 NM
TO THE TERRITORIAL WATERS OF THE BAHAMAS-GLADES-HENDRY-
INLAND PALM BEACH-METRO PALM BEACH-COASTAL COLLIER-INLAND COLLIER-
INLAND BROWARD-METRO BROWARD-INLAND MIAMI DADE-METRO MIAMI DADE-
MAINLAND MONROE-COASTAL PALM BEACH-COASTAL BROWARD-
COASTAL MIAMI DADE-FAR SOUTH MIAMI DADE-
COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL OUT 20 NM-
COASTAL WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE, FL OUT 20 NM-
GULF WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL EXTENDING FROM
20 TO 60 NM-
403 AM EDT SAT AUG 3 2013

...SCATTERED THUNDERSTORMS, FOCUSED INTERIOR/EAST COAST THIS AFTERNOON...
...LOCALLY HEAVY RAINFALL, ISOLATED STREET FLOODING POSSIBLE...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE FORECAST TODAY, BECOMING
FOCUSED ACROSS THE EAST COAST THIS AFTERNOON. THE MAIN IMPACTS
FROM THE THUNDERSTORMS WILL BE OCCASIONAL LIGHTNING STRIKES, HEAVY
RAINFALL AND GUSTY WINDS.

FLOODING: LOCALLY HEAVY RAINFALL IS POSSIBLE WHICH COULD LEAD TO
STREET FLOODING AT ISOLATED LOCALES TODAY.

WIND: STRONG WIND GUSTS OF 40 TO 50 MPH IS POSSIBLE IN THE
STRONGEST THUNDERSTORMS.

WATERSPOUTS: LIGHT LOW LEVEL WINDS COULD LEAD TO THE DEVELOPMENT
OF ISOLATED WATERSPOUTS ACROSS THE LOCAL WATERS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SCATTERED MAINLY AFTERNOON THUNDERSTORMS ARE EXPECTED EACH
DAY...MOST FOCUSED OVER THE INTERIOR.

.SPOTTER INFORMATION STATEMENT...

WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER
INDIVIDUAL SPOTTERS ARE ENCOURAGED TO REPORT HIGH WIND, HAIL AND
FLOODING TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MIAMI.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN
MIAMI WEBSITE AT WWW.WEATHER.GOV/MIAMI.

GREGORIA

In the hours before

Special weather statement, Aug 3, 12:58 PM EDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1258 PM EDT SAT AUG 3 2013

FLZ066-070-031730-
HENDRY FL INLAND COLLIER COUNTY FL
1258 PM EDT SAT AUG 3 2013

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR HENDRY COUNTY...
NORTHERN COLLIER COUNTY...FOR FREQUENT TO EXCESSIVE LIGHTNING AND
GUSTY WINDS OF 45 TO 55 MPH...

* UNTIL 130 PM EDT

* AT 1254 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM 9 MILES NORTHWEST OF HENDRY CORRECTIONAL
  I/A/P...AND MOVING NORTHEAST AT 15 MPH.

* THE STORM WILL AFFECT...
  RURAL CENTRAL HENDRY COUNTY
  AND SURROUNDING COMMUNITIES.

THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND GUSTY
WINDS OF 45 TO 55 MPH. 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 2669 8122 2644 8097 2626 8129 2645 8147
TIME...MOT...LOC 1659Z 222DEG 13KT 2643 8126
Special weather statement, Aug 3, 1:10 PM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
110 PM EDT SAT AUG 3 2013

FLZ066-067-031745-
HENDRY FL INLAND PALM BEACH COUNTY FL
110 PM EDT SAT AUG 3 2013

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR WESTERN PALM BEACH
COUNTY...NORTHEASTERN HENDRY COUNTY...FOR FREQUENT TO EXCESSIVE
LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH...

* UNTIL 145 PM EDT

* AT 107 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM 6 MILES WEST OF OKEELANTA...AND MOVING
  NORTHEAST AT 10 MPH.

* THE STORM WILL AFFECT...
  LAKE HARBOR...
  AND SURROUNDING COMMUNITIES.

THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND GUSTY
WINDS OF 45 TO 55 MPH. 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 2643 8082 2669 8095 2674 8085 2671 8081
      2671 8078 2669 8074 2672 8073 2677 8075
      2678 8073 2675 8071 2676 8069 2680 8070
      2682 8066 2645 8041
TIME...MOT...LOC 1711Z 236DEG 7KT 2659 8080
Special weather statement, Aug 3, 1:47 PM EDT, 39 minutes before
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Special weather statement, Aug 3, 2:07 PM EDT, 19 minutes before
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Special weather statement, Aug 3, 2:11 PM EDT, 15 minutes before
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Special weather statement, Aug 3, 2:26 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 12:58 PM EDTSpecial Weather StatementMFLHendry32 min
Aug 3, 1:10 PM EDTSpecial Weather StatementMFLPalm Beach35 min
Aug 3, 1:47 PM EDTSpecial Weather StatementMFLBroward28 min
Aug 3, 2:07 PM EDTSpecial Weather StatementMFLGlades23 min
Aug 3, 2:11 PM EDTSpecial Weather StatementMFLBroward34 min
Aug 3, 2:52 PM EDTSpecial Weather StatementMFLBroward38 min
Aug 3, 3:00 PM EDTSpecial Marine WarningMFL60 min

Nearby

Special Weather Statements in Florida, 2013Every special weather statement 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.