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, 2:52 PM EDT for Broward County, Florida. It was in force for 38 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, 2:52 PM EDT (18:52 UTC)
Expired
Aug 3, 2013, 3:30 PM EDT
In force
38 min
Issued by
NWS Miami, FL

County Broward County, FL

The radar

The Miami radar (KAMX), 78 km from the middle of the area, began a volume at 18:53 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, 6.9 hours before the alert went out and 244 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, 42 minutes earlier.

Area forecast discussion, Aug 3, 2:10 PM EDT, 42 minutes before
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Hazardous weather outlook, Aug 3, 4:03 AM EDT, 10 hours 49 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, 1:47 PM EDT, 1 hour 5 minutes before
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Special weather statement, Aug 3, 2:07 PM EDT, 45 minutes before
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Special weather statement, Aug 3, 2:11 PM EDT, 41 minutes before
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Special weather statement, Aug 3, 2:26 PM EDT, 26 minutes before
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Local storm report, Aug 3, 2:48 PM EDT, 4 minutes before
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Special weather statement, Aug 3, 2:52 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, 2:26 PM EDTSpecial Weather StatementMFLBroward34 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.