Alert archive / Florida / Special Weather Statements in 2015

Special Weather Statement, NWS Miami, FL

July 23, 2015Palm Beach County, Florida

NWS Miami, FL issued this special weather statement at Jul 23, 2015, 5:03 PM EDT for Palm Beach County, Florida. It was in force for 42 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 23, 2015, 5:03 PM EDT (21:03 UTC)
Expired
Jul 23, 2015, 5:45 PM EDT
In force
42 min
Issued by
NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 107 km from the middle of the area, began a volume at 21:06 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, 9.1 hours before the alert went out and 83 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 2015-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1481 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2015-07-23The 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
1481 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
906 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
-3 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.

200 
WWUS82 KMFL 232103
SPSMFL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
503 PM EDT THU JUL 23 2015
 
FLZ067-068-071-072-168-232145-
INLAND BROWARD COUNTY FL-METRO BROWARD COUNTY FL-
INLAND PALM BEACH COUNTY FL-COASTAL PALM BEACH COUNTY FL-
METRO PALM BEACH COUNTY FL-
503 PM EDT THU JUL 23 2015

...SIGNIFICANT WEATHER ADVISORY FOR FREQUENT TO EXCESSIVE LIGHTNING
FOR NORTHEASTERN BROWARD AND PALM BEACH COUNTIES UNTIL 545 PM EDT...

* AT 502 PM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
  THUNDERSTORMS ALONG A LINE EXTENDING FROM MARGATE TO NEAR BELLE
  GLADE CAMP...AND MOVING NORTHEAST AT 15 MPH.

* THE MAIN IMPACT WILL BE FREQUENT TO EXCESSIVE LIGHTNING. LIGHTNING
  IS THE NUMBER ONE WEATHER RELATED KILLER IN FLORIDA. TREES AND OPEN
  SHELTERS FOUND IN PARKS...ON BEACHES OR GOLF COURSES OFFER NO
  PROTECTION FROM THE DANGERS OF LIGHTNING. SEEK SHELTER IN A SAFE
  BUILDING UNTIL THE STORM PASSES.

* LOCATIONS IMPACTED INCLUDE...
  CORAL SPRINGS...PLANTATION...SUNRISE...BOCA RATON...DEERFIELD
  BEACH...BOYNTON BEACH...DELRAY BEACH...TAMARAC...WELLINGTON...
  MARGATE...LAKE WORTH...BELLE GLADE...PAHOKEE...SOUTH BAY...CANAL
  POINT...LAUDERHILL...COCONUT CREEK...NORTH LAUDERDALE...GREENACRES
  AND ROYAL PALM BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 2657 8004 2658 8005 2655 8005 2613 8023
      2653 8081 2686 8063 2661 8005 2659 8005
      2659 8004
TIME...MOT...LOC 2102Z 208DEG 13KT 2625 8025 2664 8064 

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 2:42 PM EDTSpecial Weather StatementMFLMiami-Dade33 min
Jul 23, 3:09 PM EDTSpecial Weather StatementMFLMiami-Dade51 min
Jul 23, 3:11 PM EDTSpecial Weather StatementMFLOkeechobee34 min
Jul 23, 3:29 PM EDTSpecial Weather StatementMFLMiami-Dade61 min
Jul 23, 3:48 PM EDTSpecial Weather StatementMFLBroward57 min
Jul 23, 4:25 PM EDTSpecial Weather StatementMFLHendry50 min
Jul 23, 4:36 PM EDTSpecial Weather StatementMFLCollier39 min
Jul 23, 5:17 PM EDTSpecial Weather StatementMFLPalm Beach43 min
Jul 23, 5:31 PM EDTSpecial Weather StatementMFLPalm Beach44 min
Jul 23, 5:36 PM EDTSpecial Weather StatementMFLHendry39 min
Jul 23, 5:57 PM EDTSpecial Marine WarningMFL63 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.