Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Miami, FL

February 12, 2014Broward County, Miami-Dade County, Florida

NWS Miami, FL issued this special weather statement at Feb 12, 2014, 9:47 PM EST for Broward County, Miami-Dade County, Florida. It was in force for 43 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: Feb 12, 2014, 9:47 PM EST (02:47 UTC)
Expired: Feb 12, 2014, 10:30 PM EST
In force: 43 min
Issued by: NWS Miami, FL

Counties Broward County, FL, Miami-Dade County, FL

The radar

The Miami radar (KAMX), 48 km from the middle of the area, began a volume at 02:48 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 00:00Z, 2.8 hours before the alert went out and 30 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 835 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 884 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 6.6

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 Feb 12, 6:50 PM EST, 2 hours 57 minutes earlier.

Area forecast discussion, Feb 12, 6:50 PM EST, 2 hours 57 minutes before

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Hazardous weather outlook, Feb 12, 4:26 PM EST, 5 hours 21 minutes before

HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
426 PM EST WED FEB 12 2014

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
132130-
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-
426 PM EST WED FEB 12 2014

...SEVERE THUNDERSTORM WATCH UNTIL 11PM EDT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TONIGHT

THUNDERSTORMS: SCATTERED THUNDERSTORMS ARE EXPECTED LATE THIS
AFTERNOON...FOLLOWED BY A BAND OF THUNDERSTORMS THIS EVENING AND
TONIGHT. FREQUENT CLOUD-TO-GROUND LIGHTNING CAN BE EXPECTED. SOME
THUNDERSTORMS MAY BE SEVERE WITH DAMAGING WINDS. A SEVERE
THUNDERSTORM WATCH IS IN EFFECT FOR MIAMI-DADE...BROWARD...PALM
BEACH...COLLIER...GLADES...AND HENDRY COUNTIES UNTIL 11PM EDT.

TORNADOES: ISOLATED TORNADOES CANT BE RULED OUT THIS EVENING AND TONIGHT.

WATERSPOUTS: WATERSPOUTS ARE POSSIBLE FROM THIS EVENING AND TONIGHT ACROSS
ALL SOUTH FLORIDA WATERS.

WIND: GUSTY WINDS ARE LIKELY WITH ANY THUNDERSTORMS. SOME
THUNDERSTORMS MAY BE SEVERE AND PRODUCE WIND GUSTS TO 70 MPH. A
SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF THE AREA UNTIL
11PM EDT FOR THE THREAT OF DAMAGING WINDS.

HAIL: HAIL UP TO THE SIZE OF NICKELS IS POSSIBLE IN THE STRONGEST
THUNDERSTORMS.

WAVES: WINDS AND SEAS ARE EXPECTED TO BUILD ACROSS THE REGIONAL
WATERS LATER TONIGHT, WITH SEAS TO NEAR 7 FEET POSSIBLE ACROSS THE
ATLANTIC WATERS LATE TONIGHT. A SMALL CRAFT ADVISORY IS IN EFFECT
FOR ALL WATERS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A SMALL CRAFT ADVISORY IS IN EFFECT THURSDAY FOR ALL WATERS. A FEW
GUSTS IN EXCESS OF 30 KNOTS ARE POSSIBLE.

TEMPERATURES ARE LIKELY TO DROP INTO THE LOWER 40S LATE THURSDAY
NIGHT INTO FRIDAY MORNING ACROSS GLADES, HENDRY, AND PORTIONS
OF COLLIER COUNTIES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED. 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.

KONARIK

In the hours before

Special weather statement, Feb 12, 5:11 PM EST, 4 hours 36 minutes before

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Local storm report, Feb 12, 5:13 PM EST, 4 hours 34 minutes before

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Local storm report, Feb 12, 5:14 PM EST, 4 hours 33 minutes before

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Local storm report, Feb 12, 5:19 PM EST, 4 hours 28 minutes before

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Local storm report, Feb 12, 5:23 PM EST, 4 hours 24 minutes before

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Local storm report, Feb 12, 5:36 PM EST, 4 hours 11 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 12, 7:08 PM EST	Special Weather Statement	MFL	Glades, Hendry	67 min
Feb 12, 7:31 PM EST	Special Marine Warning	MFL		89 min
Feb 12, 7:35 PM EST	Special Weather Statement	MFL	Collier, Hendry	55 min
Feb 12, 7:39 PM EST	Special Marine Warning	MFL		81 min
Feb 12, 7:41 PM EST	Special Marine Warning	MFL		94 min
Feb 12, 8:20 PM EST	Special Marine Warning	MFL		55 min
Feb 12, 8:29 PM EST	Special Weather Statement	MFL	Miami-Dade	46 min
Feb 12, 9:20 PM EST	Special Weather Statement	MFL	Monroe	25 min
Feb 12, 9:22 PM EST	Special Marine Warning	MFL		38 min
Feb 12, 9:56 PM EST	Special Marine Warning	MFL		94 min
Feb 12, 10:01 PM EST	Special Marine Warning	MFL		59 min
Feb 12, 10:50 PM EST	Special Marine Warning	MFL		85 min
Feb 13, 4:19 AM EST	Rip Current Statement	MFL	Collier	15 hr

Nearby

Special Weather Statements in Florida, 2014 Every special weather statement in 2014

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.