Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

August 2, 2012Palm Beach County, Florida

NWS Miami, FL issued this special weather statement at Aug 2, 2012, 4:09 PM EDT for Palm Beach County, Florida. It was in force for 51 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 2, 2012, 4:09 PM EDT (20:09 UTC)
Expired: Aug 2, 2012, 5:00 PM EDT
In force: 51 min
Issued by: NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 140 km from the middle of the area, began a volume at 20:11 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.

What was reported inside it

Time	Report	Where	Remark
Aug 2, 4:45 PM EDT	HAIL 0.75	1 N Caloosa, FL	A TRAINED SPOTTER REPORTED PENNY SIZED HAIL.
Aug 2, 4:50 PM EDT	TSTM WND GST 60	2 Se Caloosa, FL	ESTIMATED WINDS OF 50 TO 60 MPH, APPROXIMATELY 2 MILES SOUTHEAST OF CALOOSA ON STATE ROUTE 710.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 8.2 hours before the alert went out and 116 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: 2440 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 834 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 22 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.

389 
WWUS82 KMFL 022009
SPSMFL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
409 PM EDT THU AUG 2 2012

FLZ067-068-168-022100-
COASTAL PALM BEACH COUNTY FL INLAND PALM BEACH COUNTY FL METRO PALM
BEACH COUNTY FL 
409 PM EDT THU AUG 2 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

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

* UNTIL 500 PM EDT

* AT 407 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM 6 MILES NORTH OF NORTH COUNTY AIRPORT...AND    
  MOVING SOUTH AT 15 TO 20 MPH.

* THE STORM WILL AFFECT...
  NORTH COUNTY AIRPORT...
  PALM BEACH GARDENS...
  RIVIERA BEACH...
  PORT OF PALM BEACH...
  LION COUNTRY SAFARI...
  AND SURROUNDING COMMUNITIES.

FREQUENT TO EXCESSIVE LIGHTNING...GUSTY WINDS FROM 45 TO 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 2670 8039 2696 8035 2696 8015 2697 8014
      2697 8013 2675 8005
TIME...MOT...LOC 2009Z 358DEG 15KT 2693 8023

$$

MJB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 3:18 PM EDT	Special Weather Statement	MFL	Collier	42 min
Aug 2, 3:51 PM EDT	Severe Thunderstorm Warning	MFL	Collier, Hendry	39 min
Aug 2, 3:52 PM EDT	Special Weather Statement	MFL	Monroe	38 min
Aug 2, 4:16 PM EDT	Special Weather Statement	MFL	Broward	44 min
Aug 2, 4:27 PM EDT	Special Weather Statement	MFL	Miami-Dade	48 min
Aug 2, 4:29 PM EDT	Severe Thunderstorm Warning	MFL	Collier, Glades, Hendry	46 min
Aug 2, 4:33 PM EDT	Special Weather Statement	MFL	Monroe	42 min
Aug 2, 4:35 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	44 min
Aug 2, 5:12 PM EDT	Special Weather Statement	MFL	Glades, Hendry	48 min
Aug 2, 5:21 PM EDT	Special Weather Statement	MFL	Monroe	39 min
Aug 2, 5:23 PM EDT	Special Weather Statement	MFL	Broward	52 min
Aug 2, 5:29 PM EDT	Special Weather Statement	MFL	Martin	46 min
Aug 2, 5:38 PM EDT	Special Marine Warning	MFL		67 min
Aug 2, 5:45 PM EDT	Severe Thunderstorm Warning	MFL	Glades	45 min
Aug 2, 5:53 PM EDT	Special Weather Statement	MFL	Palm Beach	52 min
Aug 2, 5:56 PM EDT	Severe Thunderstorm Warning	MFL	Hendry, Palm Beach	49 min
Aug 2, 6:17 PM EDT	Special Weather Statement	MFL	Miami-Dade	43 min
Aug 2, 6:53 PM EDT	Severe Thunderstorm Warning	MFL	Palm Beach	52 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.