Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Miami, FL

June 19, 2014Broward County, Florida

NWS Miami, FL issued this special weather statement at Jun 19, 2014, 3:13 PM EDT for Broward County, Florida. It was in force for 32 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
Jun 19, 2014, 3:13 PM EDT (19:13 UTC)
Expired
Jun 19, 2014, 3:45 PM EDT
In force
32 min
Issued by
NWS Miami, FL

County Broward County, FL

The radar

The Miami radar (KAMX), 73 km from the middle of the area, began a volume at 19:16 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, 7.2 hours before the alert went out and 245 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 2014-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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 2014-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
44 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
-39 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 Jun 19, 2:18 PM EDT, 55 minutes earlier.

Area forecast discussion, Jun 19, 2:18 PM EDT, 55 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
218 PM EDT THU JUN 19 2014

.SHORT TERM (TONIGHT-SATURDAY NIGHT)...
A WEAK TROUGH OF LOW PRESSURE REFLECTED BOTH AT THE SURFACE AND IN
THE MID/UPPER LEVELS WILL REMAIN NEARLY STATIONARY OFF THE EAST
COAST OF THE PENINSULA THROUGH THIS PERIOD. GLOBAL MODELS ARE ALL IN
GOOD AGREEMENT WITH THIS SCENARIO AND KEEP PWAT IN THE 1.7 TO 1.8
INCH RANGE WITH A VERY WEAK STEERING FLOW. SO THIS WILL KEEP
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS DEVELOPING JUST
ABOUT ANYWHERE ACROSS THE AREA INTO THE FIRST HALF OF THE WEEKEND.
FORECAST SOUNDINGS DO NOT SHOW ANY THREAT FOR SEVERE OTHER THAN YOUR
POSSIBLE ISOLATED STORM AND AN AVERAGE STORM MOTION TO THE NORTHEAST
AT AROUND 5 MPH. THE AVERAGE CAPE IS LOOKING TO BE AROUND 1200-1300
J/KG AND THIS WOULD TEND TO PRODUCE THE AVERAGE GARDEN VARIETY
THUNDERSTORM. SO THE PRIMARY THREAT WILL BE OCCASIONAL TO FREQUENT
LIGHTNING STRIKES ALONG WITH GUSTY WINDS AND BRIEF VERY HEAVY
RAINFALL.

.LONG TERM (SUNDAY-THURSDAY)...
THE EXTENDED PERIOD LOOKS LIKE A TRANSITIONAL TREND BACK TO SLIGHTLY
DRIER CONDITIONS. MODELS ARE ALSO IN GOOD AGREEMENT IN LIFTING THE
TROUGH TO THE NORTHEAST AS AN UPSTREAM TROUGH MOVES OFF THE MID
ATLANTIC COAST AND THE ATLANTIC RIDGE BUILDS BACK TO THE WEST. THE
ECMWF IS THE MOST BULLISH IN THE DRYING WITH ITS FORECAST SOUNDING
SHOWING PWAT LOWERING TO AROUND 1.5 INCHES BY MID WEEK. BOTH THE GFS
AND ECMWF DO SHOW THE SURFACE HIGH ALSO BUILDING BACK TO THE NORTH
WHICH IN TURN WOULD TEND TO STEER ANY AFTERNOON STORM DEVELOPMENT
AWAY FROM THE EAST COAST AND TOWARDS THE INTERIOR. THE ECMWF SHOWS
THE WEAKEST STEERING FLOW HOWEVER AND ITS SOLUTION WOULD FAVOR SEA
BREEZE DEVELOPMENT KEEPING SOME STORM CHANCES FOR AT LEAST THE
WESTERN SUBURBS ALONG THE EAST COAST AS WELL AS THE INLAND AREAS OF
THE COASTAL COLLIER COUNTY REGION.

&&

.MARINE...
VERY WEAK WIND FLOW WILL YIELD IN NEARLY CALM MARINE CONDITIONS
THROUGH THE WEEKEND. HOWEVER, SCATTERED SHOWERS AND THUNDERSTORMS
ARE EXPECTED EACH AFTERNOON AND EVENING ESPECIALLY OVER LAKE
OKEECHOBEE AND THE ATLANTIC WATERS. THIS COULD CAUSE LOCALLY ROUGH
SEAS NEAR THE STRONGER THUNDERSTORMS.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  73  87  74  89 /  30  50  30  50
FORT LAUDERDALE  75  88  76  88 /  20  40  30  40
MIAMI            75  88  75  89 /  20  50  30  50
NAPLES           73  87  75  88 /  20  40  20  30

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.
GM...NONE.
&&

SHORT TERM...84/AK
LONG TERM....30/KOB
Hazardous weather outlook, Jun 19, 3:11 PM EDT, 2 minutes before
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In the hours before

Local storm report, Jun 19, 2:31 PM EDT, 42 minutes before
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Local storm report, Jun 19, 2:38 PM EDT, 35 minutes before
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Special weather statement, Jun 19, 2:42 PM EDT, 31 minutes before
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Local storm report, Jun 19, 2:43 PM EDT, 30 minutes before
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Local storm report, Jun 19, 2:45 PM EDT, 28 minutes before
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Special weather statement, Jun 19, 3:13 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
Jun 19, 2:17 PM EDTSpecial Weather StatementMFLBroward43 min
Jun 19, 2:42 PM EDTSpecial Weather StatementMFLBroward33 min
Jun 19, 3:33 PM EDTSpecial Weather StatementMFLBroward27 min
Jun 19, 4:15 PM EDTSpecial Weather StatementMFLMonroe30 min
Jun 19, 4:48 PM EDTSpecial Weather StatementMFLBroward27 min
Jun 19, 4:53 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade112 min
Jun 19, 5:08 PM EDTSpecial Marine WarningMFL22 min
Jun 19, 5:33 PM EDTSpecial Marine WarningMFL27 min
Jun 19, 5:39 PM EDTSpecial Marine WarningMFL36 min
Jun 19, 5:59 PM EDTSpecial Marine WarningMFL31 min
Jun 19, 6:05 PM EDTSpecial Marine WarningMFL40 min
Jun 19, 6:54 PM EDTSpecial Marine WarningMFL36 min

Nearby

Special Weather Statements in Florida, 2014Every 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.