Alert archive / Florida / Special Weather Statements in 2015

Special Weather Statement, NWS Miami, FL

July 5, 2015Glades County, Florida

NWS Miami, FL issued this special weather statement at Jul 5, 2015, 7:13 PM EDT for Glades County, Florida. It was in force for 47 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 5, 2015, 7:13 PM EDT (23:13 UTC)
Expired
Jul 5, 2015, 8:00 PM EDT
In force
47 min
Issued by
NWS Miami, FL

County Glades County, FL

The radar

The Tampa radar (KTBW), 125 km from the middle of the area, began a volume at 23:13 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

Tampa Bay, FL (KTBW), launched 12:00Z, 11.2 hours before the alert went out and 125 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, Tampa Bay, FL at 12:00Z on 2015-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1366 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, Tampa Bay, FL at 12:00Z on 2015-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
1366 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1059 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jul 5, 3:39 PM EDT, 3 hours 34 minutes earlier.

Area forecast discussion, Jul 5, 3:39 PM EDT, 3 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
339 PM EDT SUN JUL 5 2015

.DISCUSSION...
THE MAIN WEATHER STORY FOR THE WEEK AHEAD WILL BE A CONTINUATION
OF DRIER THAN NORMAL CONDITIONS...ESPECIALLY ACROSS SOUTHEAST
FLORIDA WHERE IT HAS BEEN ESPECIALLY DRY THIS RAINY SEASON.
SAHARAN DUST WILL CONTINUE AS WELL...AT LEAST OVER THE NEXT FEW
DAYS. THE WEATHER PATTERN THIS WEEK WILL FAVOR AFTERNOON TSTORMS
ACROSS THE INTERIOR-GULF COAST WITH THE POTENTIAL FOR A FEW
TSTORMS AT NIGHT ACROSS THE ATLANTIC COAST.

A DEEP LAYERED MEAN RIDGE AXIS NOW OVER SOUTH FLORIDA WILL BE
DISPLACED NORTHWARD AS AN UPPER LEVEL CLOSED LOW/TUTT NOW EAST OF
THE BAHAMAS MOVES TOWARDS THE WEST. MODEL CONSENSUS SHOWS THIS
FEATURE MOVING OVER THE BAHAMAS THEN SW OR EVEN S WELL TO OUR
SOUTH-SOUTHEAST BY MID WEEK. A CLOSED MID LEVEL LOW DEVELOPS FROM
THIS FEATURE AND LOOKS TO MOVE JUST SOUTH OF OUR AREA...OVER THE
FL STRAITS/CUBA. AT LOWER LEVELS...RIDGING NORTH OF THE AREA WILL
LEAD TO A CONTINUATION OF AN E-SE WIND FLOW. THIS WILL CONTINUE
TO FOCUS AFTERNOON CONVECTION THROUGH THE WEEK ACROSS THE
INTERIOR AND GULF COAST. A FEW NIGHTTIME TSTORMS ARE POSSIBLE
ACROSS SOUTHEAST FLORIDA...ESPECIALLY BY MID WEEK WITH THE
APPROACH OF THE MID LEVEL TROUGH AS H5 TEMPS COOL...TO -1.5C TO
-2C COLDER THAN AVG FOR EARLY JULY. THIS HIGHER INSTABILITY COULD
LEAD TO INCREASING NIGHTTIME CONVECTION OVER THE WATERS WITH A
FEW NIGHTTIME HIGHLY ELECTRIFIED TSTORMS POSSIBLE ACROSS THE EAST
COAST METRO AREAS. AN ENHANCEMENT IN TSTORM VIGOR IS POSSIBLE
DURING THE AFTERNOON'S OVER THE INTERIOR-GULF COAST MID WEEK AS
WELL DUE TO COLD AIR ALOFT.

BY LATE WEEK RIDGING STRENGTHENS OVER THE SOUTHEAST U.S. AND
FLORIDA WITH CONTINUED E-SE FLOW AND REALLY AN UNCHANGEABLE
PATTERN IN DAILY CONVECTION...CONTINUING TO FOCUSED INLAND AND
TOWARD THE GULF COAST. MID LEVELS WARM LATE IN THE WEEK. SO LOOKS
LIKE THREAT FOR STRONGEST TSTORMS IS MID WEEK.

&&

.MARINE...
E-SE WINDS WILL PREVAIL AT 10-15 KT THROUGH THE PERIOD WITH SEAS
LESS THAN 4 FT. THE ONLY CONCERN WILL BE ISOLATED TSTORMS OVER THE
WATERS, PARTICULARLY MID WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  78  90  79  90 /  10  20  10  40
FORT LAUDERDALE  80  90  80  89 /  10  20  10  30
MIAMI            80  91  79  90 /  10  20  10  30
NAPLES           75  92  76  92 /  20  40  20  40

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.
GM...NONE.
&&
Hazardous weather outlook, Jul 5, 12:20 PM EDT, 6 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
1220 PM EDT SUN JUL 5 2015

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
060100-
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-
1220 PM EDT SUN JUL 5 2015

...LOCALLY STRONG THUNDERSTORMS INTERIOR/LAKE OKEECHOBEE AREA...
...GUSTY WINDS AND SMALL HAIL POSSIBLE...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

RIP CURRENTS: THERE IS A SLIGHT RISK FOR RIP CURRENTS AT SOUTH
FLORIDA BEACHES.

THUNDERSTORMS: THUNDERSTORMS ARE LIKELY OVER HENDRY AND GLADES
COUNTIES THIS AFTERNOON...WITH CHANCES EXISTING OVER MUCH OF
INTERIOR AND GULF COASTAL SOUTH FLORIDA. THE PRIMARY THREAT WITH
THIS ACTIVITY WILL BE FREQUENT CLOUD TO GROUND LIGHTNING, GUSTY
WINDS, LOCALIZED FLOODING AND SMALL HAIL.

WIND: THE STRONGEST THUNDERSTORMS WILL BE CAPABLE OF PRODUCING
WIND GUSTS TO 50 MPH, MAINLY NORTH OF A NAPLES TO WEST PALM BEACH
LINE.

HAIL: THE STRONGEST THUNDERSTORMS WILL BE CAPABLE OF PRODUCING
SMALL HAIL, MAINLY NORTH OF A NAPLES TO WEST PALM BEACH LINE.

FLOODING: LOCALIZED FLOODING IS POSSIBLE IN AREAS OF GREATEST
THUNDERSTORM CONCENTRATION, MAINLY FROM COLLIER COUNTY NORTH TO
GLADES COUNTY.

TEMPERATURES: HEAT INDICES ACROSS MOST OF SOUTH FLORIDA WILL RANGE
BETWEEN 100 AND 105 DEGREES THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

CHANCES FOR MAINLY AFTERNOON THUNDERSTORMS WILL CONTINUE THROUGH
THE WEEK...ESPECIALLY OVER THE WESTERN INTERIOR PORTIONS OF SOUTH
FLORIDA.

.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.

MOLLEDA

In the hours before

Special weather statement, Jul 5, 6:28 PM EDT, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
628 PM EDT SUN JUL 5 2015

FLZ070-052315-
INLAND COLLIER COUNTY FL-
628 PM EDT SUN JUL 5 2015

...SIGNIFICANT WEATHER ADVISORY FOR 45 TO 55 MPH AND SMALL HAIL FOR
CENTRAL COLLIER COUNTY UNTIL 715 PM EDT...

* AT 626 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
  MILES NORTHEAST OF ROYAL PALM HAMMOCK...OR 11 MILES SOUTHEAST OF
  GOLDEN GATE ESTATES. THIS STORM WAS NEARLY STATIONARY.

* THE PRIMARY IMPACTS WILL BE SMALL 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.

* LOCATIONS IMPACTED INCLUDE...
  INTERSECTION I-75 AND EVERGLADES BLVD...PICAYUNE STRAND STATE
  FOREST AND SOUTH BLOCKS GOLDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RESIDENTS SHOULD REMAIN ON THE ALERT FOR ADDITIONAL STATEMENTS AND
POSSIBLE WARNINGS.

&&

LAT...LON 2602 8157 2615 8162 2615 8147 2608 8139
TIME...MOT...LOC 2226Z 162DEG 2KT 2609 8153

KB
Special weather statement, Jul 5, 6:52 PM EDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
652 PM EDT SUN JUL 5 2015

FLZ070-052330-
INLAND COLLIER COUNTY FL-
652 PM EDT SUN JUL 5 2015

...SIGNIFICANT WEATHER ADVISORY FOR 45 TO 55 MPH AND SMALL HAIL FOR
NORTH CENTRAL COLLIER COUNTY UNTIL 730 PM EDT...

* AT 652 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
  NEAR GOLDEN GATE ESTATES...MOVING NORTH AT 15 MPH.

* THE PRIMARY IMPACTS WILL BE SMALL 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.

* LOCATIONS IMPACTED INCLUDE...
  AVE MARIA...GOLDEN GATE ESTATES...BIG CORKSCREW ISLAND AND
  ORANGETREE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RESIDENTS SHOULD REMAIN ON THE ALERT FOR ADDITIONAL STATEMENTS AND
POSSIBLE WARNINGS.

&&

LAT...LON 2616 8138 2616 8157 2636 8159 2635 8144
TIME...MOT...LOC 2252Z 183DEG 13KT 2621 8151

KB
Special weather statement, Jul 5, 7:13 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
713 PM EDT SUN JUL 5 2015

FLZ063-060000-
GLADES FL-
713 PM EDT SUN JUL 5 2015

...SIGNIFICANT WEATHER ADVISORY FOR 45 TO 55 MPH AND SMALL HAIL FOR
WEST CENTRAL GLADES COUNTY UNTIL 800 PM EDT...

* AT 712 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9
  MILES SOUTHWEST OF VENUS...OR 10 MILES WEST OF PALMDALE...MOVING
  NORTH AT 10 MPH.

* THE PRIMARY IMPACTS WILL BE SMALL 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.

* THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF ...WHICH INCLUDES
  WEST CENTRAL GLADES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

&&

LAT...LON 2703 8133 2693 8137 2694 8156 2703 8156
TIME...MOT...LOC 2312Z 174DEG 9KT 2700 8148

KB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 6:28 PM EDTSpecial Weather StatementMFLCollier47 min
Jul 5, 6:52 PM EDTSpecial Weather StatementMFLCollier38 min
Jul 5, 7:33 PM EDTSpecial Weather StatementMFLGlades42 min
Jul 5, 7:37 PM EDTSevere Thunderstorm WarningMFLGlades, Hendry23 min
Jul 5, 7:55 PM EDTSevere Thunderstorm WarningMFLGlades, Hendry35 min

Nearby

Special Weather Statements in Florida, 2015Every special weather statement in 2015

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.