Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Miami, FL

July 12, 2016Collier County, Florida

NWS Miami, FL issued this special weather statement at Jul 12, 2016, 6:02 PM EDT for Collier 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
Jul 12, 2016, 6:02 PM EDT (22:02 UTC)
Expired
Jul 12, 2016, 6:45 PM EDT
In force
43 min
Issued by
NWS Miami, FL

County Collier County, FL

The radar

The Miami radar (KAMX), 143 km from the middle of the area, began a volume at 22:01 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, 10.0 hours before the alert went out and 140 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 2016-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3141 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, Miami, FL at 12:00Z on 2016-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
3141 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
789 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
-6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Jul 12, 4:31 PM EDT, 1 hour 31 minutes earlier.

Area forecast discussion, Jul 12, 4:31 PM EDT, 1 hour 31 minutes before
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Hazardous weather outlook, Jul 12, 12:09 PM EDT, 5 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
1209 PM EDT TUE JUL 12 2016

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
130415-
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 FROM 20 TO 60 NM-
WATERS FROM DEERFIELD BEACH TO OCEAN REEF FL FROM 20 TO 60 NM
EXCLUDING THE TERRITORIAL WATERS OF 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-
WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL FROM 20 TO 60 NM-
1209 PM EDT TUE JUL 12 2016

...MORE HOT AND HUMID CONDITIONS EXPECTED TODAY...
...A FEW STRONG STORMS POSSIBLE INTERIOR AND WEST AREAS...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS: ISOLATED TO SCATTERED THUNDERSTORMS WILL AFFECT
PORTIONS OF SOUTH FLORIDA, FAVORING INTERIOR AND WESTERN AREAS.
ANY THUNDERSTORMS THAT MAY FORM COULD PRODUCE DANGEROUS CLOUD TO
GROUND LIGHTNING, GUSTY WINDS AND BRIEF PERIODS OF HEAVY RAIN.

WIND: WIND GUSTS UP TO 50 MPH ARE POSSIBLE WITH THE STRONGEST
STORMS OVER THE INTERIOR AND WEST COAST METRO AREAS.

TEMPERATURES: HIGHEST AFTERNOON HEAT INDEX VALUES WILL AGAIN REACH AROUND
100 TO 105 DEGREES ALONG THE EAST AND WEST COASTS OF SOUTH FLORIDA,
WITH SLIGHTLY HIGHER VALUES POSSIBLE ACROSS INLAND SECTIONS OF
SOUTH FLORIDA. WITH THE HOT AND HUMID WEATHER THE LAST FEW DAYS
AND UNUSUALLY WARM OVERNIGHT LOWS, THERE IS A THREAT FOR HEAT
EXHAUSTION FOR VULNERABLE PEOPLE AND THOSE WORKING OUTDOORS. WEAR
LIGHT CLOTHING, DRINK PLENTY OF FLUIDS, AND DON'T LEAVE KIDS AND
PETS UNATTENDED IN VEHICLES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THUNDERSTORM ACTIVITY WILL CONTINUE THROUGH THE REST OF THE WEEK,
BUT WITH BEST CHANCES STILL REMAINING INLAND. ANY THUNDERSTORM
THAT MAY FORM WILL BRING BRIEF PERIODS OF HEAVY RAIN ALONG WITH
LIGHTNING STRIKES.

HIGHEST AFTERNOON HEAT INDEX VALUES WILL CONTINUE TO BE IN THE LOW
TO MID 100S THROUGH MUCH OF THE WEEK, WITH THE HIGHEST VALUES
OVER INTERIOR SOUTH FLORIDA.

NO OTHER HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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.

In the hours before

Special weather statement, Jul 12, 3:30 PM EDT, 2 hours 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
330 PM EDT TUE JUL 12 2016

FLZ067-071-122015-
INLAND PALM BEACH COUNTY FL-INLAND BROWARD COUNTY FL-
330 PM EDT TUE JUL 12 2016

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE LIGHTNING
AND SMALL HAIL FOR NORTH CENTRAL BROWARD AND SOUTH CENTRAL PALM BEACH
COUNTIES UNTIL 415 PM EDT...

* AT 329 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 10
  MILES NORTH OF INTERSECTION I-75 AND U.S. 27...OR 12 MILES WEST OF
  CORAL SPRINGS...MOVING NORTH AT 15 MPH.

* THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND
  SMALL HAIL.  LIGHTNING IS THE NUMBER ONE WEATHER RELATED KILLER IN
  FLORIDA. TREES AND OPEN SHELTERS OFFER NO PROTECTION. SEEK SHELTER
  IN A SAFE BUILDING UNTIL THE STORM PASSES.

* LOCATIONS IMPACTED INCLUDE...
  LOXAHATCHEE NWR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO STREET FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 2623 8039 2621 8052 2635 8064 2651 8054
      2645 8029
TIME...MOT...LOC 1929Z 165DEG 15KT 2630 8047

60
Special weather statement, Jul 12, 4:02 PM EDT, 2 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
402 PM EDT TUE JUL 12 2016

FLZ071-072-122045-
INLAND BROWARD COUNTY FL-METRO BROWARD COUNTY FL-
402 PM EDT TUE JUL 12 2016

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE
LIGHTNING...SMALL HAIL AND 45 TO 55 MPH WINDS FOR CENTRAL BROWARD
COUNTY UNTIL 445 PM EDT...

* AT 401 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
  NEAR INTERSECTION I-75 AND U.S. 27...OR 13 MILES WEST OF CORAL
  SPRINGS...MOVING SOUTH AT 5 MPH.

* FREQUENT TO EXCESSIVE 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.

* LOCATIONS IMPACTED INCLUDE...
  SUNRISE...WESTON...INTERSECTION I-75 AND U.S. 27...
  MILE MARKER 30 ON ALLIGATOR ALLEY...
  EAST TOLL GATE ON ALLIGATOR ALLEY AND MARKHAM PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO STREET FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 2623 8055 2625 8039 2614 8034 2610 8044
      2611 8056
TIME...MOT...LOC 2001Z 353DEG 6KT 2624 8048

60
Special weather statement, Jul 12, 4:20 PM EDT, 1 hour 42 minutes before
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Special weather statement, Jul 12, 4:22 PM EDT, 1 hour 40 minutes before
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Special weather statement, Jul 12, 5:53 PM EDT, 9 minutes before
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Special weather statement, Jul 12, 6:02 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
Jul 11, 9:18 PM EDTSpecial Weather StatementMFLGlades42 min
Jul 12, 1:49 PM EDTSpecial Weather StatementMFLBroward56 min
Jul 12, 2:41 PM EDTSpecial Weather StatementMFLMartin49 min
Jul 12, 2:58 PM EDTSpecial Weather StatementMFLPalm Beach47 min
Jul 12, 3:30 PM EDTSpecial Weather StatementMFLBroward45 min
Jul 12, 4:02 PM EDTSpecial Weather StatementMFLBroward43 min
Jul 12, 4:20 PM EDTSpecial Weather StatementMFLGlades40 min
Jul 12, 4:22 PM EDTSpecial Weather StatementMFLCollier38 min
Jul 12, 5:53 PM EDTSpecial Weather StatementMFLMonroe37 min
Jul 12, 7:14 PM EDTSpecial Weather StatementMFLGlades46 min
Jul 12, 7:53 PM EDTSpecial Marine WarningMFL37 min

Nearby

Special Weather Statements in Florida, 2016Every special weather statement in 2016

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.