Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

August 24, 2012Palm Beach County, Florida

NWS Miami, FL issued this special weather statement at Aug 24, 2012, 7:40 PM EDT for Palm Beach County, Florida. It was in force for 50 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: Aug 24, 2012, 7:40 PM EDT (23:40 UTC)
Expired: Aug 24, 2012, 8:30 PM EDT
In force: 50 min
Issued by: NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 110 km from the middle of the area, began a volume at 23:40 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, 11.7 hours before the alert went out and 84 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: 2430 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 740 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 13 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 Aug 24, 7:26 PM EDT, 14 minutes earlier.

Area forecast discussion, Aug 24, 7:26 PM EDT, 14 minutes before

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Hazardous weather outlook, Aug 24, 6:30 PM EDT, 1 hour 10 minutes before

HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
630 PM EDT FRI AUG 24 2012

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
251330-
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-
630 PM EDT FRI AUG 24 2012

...STRONG STORMS POSSIBLE...
...HIGH RISK OF RIP CURRENTS EAST COAST BEACHES...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...TONIGHT

RIP CURRENTS: THERE IS A HIGH RISK OF RIP CURRENTS ALONG THE EAST
COAST BEACHES DUE TO MODERATE TO STRONG EAST TO NORTHEAST WINDS.

THUNDERSTORMS: SCATTERED THUNDERSTORMS WILL BE POSSIBLE. FREQUENT
LIGHTNING...GUSTY WINDS...AND HEAVY DOWNPOURS WILL REMAIN
POSSIBLE IN THE HEAVIER STORMS THAT DEVELOP.

WINDS: WIND GUSTS IN THE 40 TO 55 MPH RANGE WILL BE POSSIBLE IN
AND AROUND ANY OF THE STRONGER STORMS THAT DEVELOP.

FLOODING: SCATTERED THUNDERSTORMS COULD RESULT IN PONDING OF WATER
IN POORLY DRAINED AREAS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

FOR THE LATEST INFORMATION ON TROPICAL STORM ISAAC, PLEASE REFER
TO THE LATEST HURRICANE LOCAL STATEMENT.

OTHERWISE, THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS EACH
DAY MAINLY IN THE AFTERNOON AND EVENING HOURS. AT THIS TIME NO
ACTIVITY OUTSIDE OF THE ORDINARY IS EXPECTED WITH THE MAIN CONCERN
BEING LIGHTNING STRIKES.

.SPOTTER INFORMATION STATEMENT...
WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER INDIVIDUAL
SPOTTERS ARE ENCOURAGED TO REPORT HIGH WIND 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, Aug 24, 4:16 PM EDT, 3 hours 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
416 PM EDT FRI AUG 24 2012

FLZ073-074-173-174-242045-
COASTAL MIAMI DADE COUNTY FL FAR SOUTH MIAMI-DADE COUNTY FL INLAND
MIAMI-DADE COUNTY FL METROPOLITAN MIAMI DADE FL
416 PM EDT FRI AUG 24 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR CENTRAL MIAMI-DADE
COUNTY...FOR FREQUENT TO EXCESSIVE LIGHTNING AND GUSTY WINDS OF 45 TO
55 MPH...

* UNTIL 445 PM EDT

* AT 413 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG THUNDERSTORM 3 MILES SOUTH OF KEY BISCAYNE...AND MOVING WEST
  AT 30 MPH.

* THE STORM WILL AFFECT...
  COCONUT GROVE...
  UNIVERSITY OF MIAMI...
  PERRINE...
  PALMETTO BAY...
  ZOO MIAMI...
  COUNTRY WALK...
  AND SURROUNDING COMMUNITIES.

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

LAT...LON 2567 8015 2566 8016 2568 8018 2574 8017
      2575 8018 2572 8024 2565 8026 2559 8031
      2556 8030 2551 8019 2554 8017 2551 8017
      2550 8019 2556 8030 2549 8033 2544 8032
      2537 8050 2577 8055 2574 8014
TIME...MOT...LOC 2015Z 083DEG 27KT 2564 8018

GARCIA

Special weather statement, Aug 24, 5:17 PM EDT, 2 hours 23 minutes before

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Special weather statement, Aug 24, 5:52 PM EDT, 1 hour 48 minutes before

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Local storm report, Aug 24, 6:19 PM EDT, 1 hour 21 minutes before

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Special weather statement, Aug 24, 7:40 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 24, 11:43 AM EDT	Special Marine Warning	MFL		62 min
Aug 24, 12:31 PM EDT	Special Weather Statement	MFL	Palm Beach	29 min
Aug 24, 1:24 PM EDT	Special Marine Warning	MFL		66 min
Aug 24, 2:09 PM EDT	Small Craft Advisory	MFL		9 hr
Aug 24, 3:47 PM EDT	Special Marine Warning	MFL		58 min
Aug 24, 3:57 PM EDT	Special Marine Warning	MFL		63 min
Aug 24, 4:34 PM EDT	Severe Thunderstorm Warning	MFL	Miami-Dade	26 min
Aug 24, 4:45 PM EDT	Special Marine Warning	MFL		2 hr
Aug 24, 5:06 PM EDT	Tropical Storm Watch	MFL	Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more	6 hr
Aug 24, 5:17 PM EDT	Special Weather Statement	MFL	Miami-Dade	43 min
Aug 24, 5:31 PM EDT	Rip Current Statement	MFL	Broward, Miami-Dade, Palm Beach	50 hr
Aug 24, 5:52 PM EDT	Special Weather Statement	MFL	Broward	38 min
Aug 24, 6:40 PM EDT	Special Marine Warning	MFL		2 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.