Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

April 6, 2012Broward County, Florida

NWS Miami, FL issued this special weather statement at Apr 6, 2012, 1:00 PM EDT for Broward County, Florida. It was in force for 30 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: Apr 6, 2012, 1:00 PM EDT (17:00 UTC)
Expired: Apr 6, 2012, 1:30 PM EDT
In force: 30 min
Issued by: NWS Miami, FL

County Broward County, FL

The radar

The Miami radar (KAMX), 42 km from the middle of the area, began a volume at 17:03 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, 5.0 hours before the alert went out and 16 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: 2930 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 478 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 257 m²/s²
Significant tornado parameter: 3.7
Supercell composite: 16.2

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 Apr 6, 12:21 PM EDT, 39 minutes earlier.

Area forecast discussion, Apr 6, 12:21 PM EDT, 39 minutes before

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Hazardous weather outlook, Apr 6, 9:05 AM EDT, 3 hours 55 minutes before

HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
905 AM EDT FRI APR 6 2012

AMZ610-630-FLZ063-066>075-168-172>174-070415-
LAKE OKEECHOBEE-BISCAYNE BAY-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-
905 AM EDT FRI APR 6 2012

...STRONG TO SEVERE THUNDERSTORMS POSSIBLE TODAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS: SHOWERS AND THUNDERSTORMS WILL FORM TODAY AHEAD OF
A COLD FRONT. SOME THUNDERSTORMS COULD BECOME STRONG TO SEVERE
WITH FREQUENT LIGHTNING STRIKES, STRONG WINDS, AND HAIL.

TORNADO: INTENSE THUNDERSTORMS MAY PRODUCE AN ISOLATED TORNADO.
THIS SLIGHT RISK EXISTS ACROSS MUCH OF THE REGION.

WIND: GUSTY WINDS IN EXCESS OF 60 MPH ARE POSSIBLE WITH ANY
THUNDERSTORMS THAT DEVELOP THROUGH EARLY EVENING.

HAIL: QUARTER SIZE HAIL MAY OCCUR WITH A FEW THUNDERSTORMS THROUGH
EARLY THIS EVENING.

RIP CURRENTS: WEST SOUTHWEST WINDS AROUND 15 MPH WITH HIGHER
GUSTS WILL RESULT IN A MODERATE RISK OF RIP CURRENTS AT THE GULF
COAST BEACHES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

GULF STREAM SEAS WILL INCREASE BEHIND THE PASSAGE OF THIS COLD
FRONT, WITH HAZARDOUS SEAS EXPECTED BY SATURDAY MORNING.

THE RISK OF RIP CURRENTS WILL INCREASE THIS WEEKEND ALONG THE
ATLANTIC BEACHES DUE TO A BREEZY ONSHORE WIND FLOW.

.SPOTTER INFORMATION STATEMENT...

WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER
INDIVIDUAL SPOTTERS ARE ENCOURAGED TO REPORT HIGH WIND AND HAIL
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.

In the hours before

Special weather statement, Apr 6, 10:13 AM EDT, 2 hours 47 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1013 AM EDT FRI APR 6 2012

FLZ069-070-061445-
COASTAL COLLIER COUNTY FL INLAND COLLIER COUNTY FL
1013 AM EDT FRI APR 6 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  WEST CENTRAL COLLIER COUNTY

* UNTIL 1045 AM EDT

* AT 1012 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM NEAR NAPLES...AND MOVING EAST AT 35 MPH.

* THE STORM WILL AFFECT...
  SOUTH NAPLES...
  EAST NAPLES...
  WEST TOLL GATE ON ALLIGATOR ALLEY...
  GOLDEN GATE ESTATES...
  ROYAL PALM HAMMOCK...
  AND SURROUNDING COMMUNITIES.

THE PRIMARY IMPACTS WILL BE OCCASIONAL LIGHTNING...GUSTY WINDS OF
35 TO 45 MPH AND SMALL HAIL. 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 2631 8158 2595 8154 2601 8177 2609 8181
      2617 8182 2621 8182
TIME...MOT...LOC 1413Z 271DEG 30KT 2611 8179

85-GIBBS

Local storm report, Apr 6, 10:18 AM EDT, 2 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
1018 AM EDT FRI APR 06 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0947 AM     TSTM WND GST     NAPLES                  26.14N 81.80W
04/06/2012  M47 MPH          COLLIER            FL   ASOS

            THE NAPLES MUNICIPAL AIRPORT...APF...RECORDED A WIND GUST
            TO 47 MPH...OR 41 KNOTS...DURING A THUNDERSTORM.

&&

MJB

Local storm report, Apr 6, 10:52 AM EDT, 2 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MIAMI FL
1052 AM EDT FRI APR 06 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0940 AM     MARINE TSTM WIND 4 N NAPLES              26.19N 81.81W
04/06/2012  M39.00 MPH       COLLIER            FL   MESONET

            MEASURED AT VILLAGE ON VENETIAN BAY. TIME ESTIMATED BASED
            ON RADAR AND NEARBY OBSERVATIONS.

0950 AM     TSTM WND GST     5 N GOLDEN GATE         26.25N 81.69W
04/06/2012  M45.00 MPH       COLLIER            FL   MESONET

            MEASURED AT GOLDEN GATE FIRE STATION 73. TIME ESTIMATED
            BASED ON RADAR AND NEARBY OBSERVATIONS.

0955 AM     HAIL             6 N GOLDEN GATE         26.26N 81.69W
04/06/2012  M1.00 INCH       COLLIER            FL   FIRE DEPT/RESCUE

            REPORTED NEAR COLLIER BOULEVARD 1 MILE SOUTH OF IMMOKALEE
            ROAD.

0958 AM     TSTM WND GST     2 NNE NORTH BLOCKS GOLD 26.26N 81.52W
04/06/2012  M46.00 MPH       COLLIER            FL   MESONET

            MEASURED AT SABAL PALM ELEMENTARY SCHOOL. TIME ESTIMATED
            BASED ON RADAR AND NEARBY OBSERVATIONS.

&&

MOLLEDA

Special weather statement, Apr 6, 11:21 AM EDT, 1 hour 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1121 AM EDT FRI APR 6 2012

FLZ070-071-061545-
INLAND BROWARD COUNTY FL INLAND COLLIER COUNTY FL
1121 AM EDT FRI APR 6 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  EXTREME WEST CENTRAL BROWARD COUNTY
  EAST CENTRAL COLLIER COUNTY

* UNTIL 1145 AM EDT

* AT 1115 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM 8 MILES NORTHWEST OF BIG CYPRESS NATIONAL
  PRESERVE...AND MOVING EAST AT 25 MPH.

* THE STORM WILL AFFECT...
  BIG CYPRESS NATIONAL PRESERVE...
  MILE MARKER 60 ON ALLIGATOR ALLEY...
  AND SURROUNDING COMMUNITIES.

FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 T0 55 MPH...UP
TO NICKEL-SIZED 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 2622 8088 2599 8087 2601 8124 2618 8122
TIME...MOT...LOC 1521Z 275DEG 22KT 2610 8113

AK

Special weather statement, Apr 6, 11:39 AM EDT, 1 hour 21 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1139 AM EDT FRI APR 6 2012

FLZ067-068-071-072-168-172-061615-
COASTAL BROWARD COUNTY FL COASTAL PALM BEACH COUNTY FL INLAND BROWARD
COUNTY FL INLAND PALM BEACH COUNTY FL METRO BROWARD COUNTY FL METRO
PALM BEACH COUNTY FL
1139 AM EDT FRI APR 6 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHEASTERN BROWARD COUNTY
  SOUTHEASTERN PALM BEACH COUNTY

* UNTIL 1215 PM EDT

* AT 1134 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM NEAR CORAL SPRINGS...AND MOVING EAST AT 40 MPH.

* THE STORM WILL AFFECT...
  COCONUT CREEK...
  DEERFIELD BEACH...
  LIGHTHOUSE POINT...
  AND SURROUNDING COMMUNITIES.

THE PRIMARY IMPACTS WILL BE UP TO NICKEL SIZED HAIL AND GUSTY WINDS
OF 45 TO 55 MPH. 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 2618 8009 2616 8036 2636 8037 2641 8006
      2637 8006
TIME...MOT...LOC 1539Z 261DEG 33KT 2628 8023

AK

Special weather statement, Apr 6, 1:00 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
100 PM EDT FRI APR 6 2012

FLZ071>074-172-173-061730-
COASTAL BROWARD COUNTY FL COASTAL MIAMI DADE COUNTY FL INLAND BROWARD
COUNTY FL INLAND MIAMI-DADE COUNTY FL METRO BROWARD COUNTY FL
METROPOLITAN MIAMI DADE FL
100 PM EDT FRI APR 6 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHEASTERN BROWARD COUNTY
  NORTHEASTERN MIAMI-DADE COUNTY

* UNTIL 130 PM EDT

* AT 1258 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM NEAR PEMBROKE PINES...AND MOVING EAST AT 30
  MPH.

* THE STORM WILL AFFECT...
  PEMBROKE PINES...
  MIAMI LAKES...
  MIRAMAR PARKWAY AND UNIVERSITY DRIVE...
  NORTH PERRY AIRPORT...
  HOLLYWOOD...
  AVENTURA...
  AND SURROUNDING COMMUNITIES.

THE PRIMARY IMPACTS WILL BE GUSTY WINDS OF 40 TO 50 MPH. 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 2589 8011 2586 8012 2586 8015 2588 8015
      2587 8016 2596 8054 2611 8048 2608 8010
      2591 8011 2591 8010 2590 8010
TIME...MOT...LOC 1700Z 279DEG 25KT 2600 8034

AK

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 9:09 AM EDT	Special Marine Warning	MFL		51 min
Apr 6, 9:29 AM EDT	Special Marine Warning	MFL		46 min
Apr 6, 9:48 AM EDT	Special Weather Statement	MFL	Collier	42 min
Apr 6, 9:53 AM EDT	Severe Thunderstorm Warning	MFL	Collier, Hendry	37 min
Apr 6, 10:12 AM EDT	Special Marine Warning	MFL		33 min
Apr 6, 10:13 AM EDT	Special Weather Statement	MFL	Collier	32 min
Apr 6, 10:50 AM EDT	Special Marine Warning	MFL		55 min
Apr 6, 11:18 AM EDT	Special Marine Warning	MFL		57 min
Apr 6, 11:21 AM EDT	Special Weather Statement	MFL	Collier	24 min
Apr 6, 11:39 AM EDT	Special Weather Statement	MFL	Broward	36 min
Apr 6, 11:46 AM EDT	Severe Thunderstorm Warning	MFL	Broward, Palm Beach	12 min
Apr 6, 11:51 AM EDT	Special Marine Warning	MFL		43 min
Apr 6, 1:29 PM EDT	Special Weather Statement	MFL	Broward	31 min
Apr 6, 1:39 PM EDT	Severe Thunderstorm Warning	MFL	Broward, Miami-Dade	17 min
Apr 6, 1:42 PM EDT	Special Marine Warning	MFL		33 min
Apr 6, 1:58 PM EDT	Special Marine Warning	MFL		62 min
Apr 6, 2:56 PM EDT	Special Marine Warning	MFL		64 min
Apr 6, 3:36 PM EDT	Special Marine Warning	MFL		39 min
Apr 6, 4:00 PM EDT	Special Marine Warning	MFL		45 min
Apr 6, 4:13 PM EDT	Small Craft Advisory	MFL		48 hr

Nearby

Special Weather Statements in Florida, 2012 Every 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.