Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

June 23, 2012Palm Beach County, Florida

NWS Miami, FL issued this special weather statement at Jun 23, 2012, 8:48 PM EDT for Palm Beach County, Florida. It was in force for 27 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 23, 2012, 8:48 PM EDT (00:48 UTC)
Expired
Jun 23, 2012, 9:15 PM EDT
In force
27 min
Issued by
NWS Miami, FL

County Palm Beach County, FL

The radar

The Miami radar (KAMX), 130 km from the middle of the area, began a volume at 00:48 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 00:00Z, 0.8 hours before the alert went out and 105 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 00:00Z on 2012-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 233 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 00:00Z on 2012-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.193958Sfc1 km3 km6 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
233 J/kg
Mixed-layer CIN
-268 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
-4 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 23, 7:57 PM EDT, 51 minutes earlier.

Area forecast discussion, Jun 23, 7:57 PM EDT, 51 minutes before
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Hazardous weather outlook, Jun 23, 5:12 PM EDT, 3 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK FOR SOUTH FLORIDA
NATIONAL WEATHER SERVICE MIAMI FL
512 PM EDT SAT JUN 23 2012

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
241115-
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-
512 PM EDT SAT JUN 23 2012

...ISOLATED TORNADOES POSSIBLE ACROSS SOUTH FLORIDA INTO TONIGHT...
...BUILDING SEAS OVER GULF WATERS...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH FLORIDA.

.DAY ONE...THROUGH TONIGHT

TORNADOES: VERY HIGH MOISTURE AND INCREASING WIND SHEAR IS LEADING
TO AN ENVIRONMENT BECOMING MORE FAVORABLE FOR ISOLATED TORNADOES. A
TORNADO WAS ALREADY REPORTED IN THE EAST NAPLES AREA THIS AFTERNOON.
THE RISK OF ISOLATED TORNADOES WILL CONTINUE INTO TONIGHT ACROSS ALL
OF SOUTH FLORIDA. REMAIN ALERT IN CASE TORNADO WARNINGS ARE ISSUED.

WATERSPOUTS: ISOLATED TORNADIC WATERSPOUTS ARE POSSIBLE OVER THE
LOCAL WATERS.

WIND: STRONG WINDS TO AROUND 55 MPH WILL BE POSSIBLE IN FAST MOVING
THUNDERSTORMS.

THUNDERSTORMS: ISOLATED THUNDERSTORMS WILL AFFECT THE AREA. THERE IS
A RISK OF ISOLATED TORNADOES AND STRONG WINDS WITH THE
THUNDERSTORMS. TORRENTIAL RAINS AND FREQUENT LIGHTNING STRIKES WILL
ALSO BE POSSIBLE WITH THE STORMS AS WELL.

FLOODING: STREET FLOODING OR FLOODING OF LOW LYING AREAS, ESPECIALLY
WITHIN URBAN LOCALES WILL REMAIN A POSSIBILITY.

WAVES: ADVISORY LEVEL SEAS WILL BE EXPECTED OVER THE OFFSHORE
GULF WATERS, WEST OF NAPLES.

RIP CURRENTS: A SLIGHT RISK OF RIP CURRENTS AT THE ATLANTIC AND GULF
COAST BEACHES.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE NATIONAL HURRICANE CENTER IS GIVING A LIKELY CHANCE OF THE
BROAD LOW PRESSURE SYSTEM LOCATED OVER THE SOUTHERN GULF OF MEXICO
DEVELOPING INTO A TROPICAL CYCLONE BY THE END OF THE WEEKEND. LOCALLY
HEAVY RAINFALL WILL REMAIN POSSIBLE THROUGH THIS TIME AS TROPICAL
MOISTURE CONTINUES TO STREAM NORTH OVER THE AREA EAST OF THIS LOW.
THERE IS A CONCERN FOR FLOODING, PARTICULARLY WHERE ANY PERSISTENT
RAINFALL BECOMES CONCENTRATED. ALTHOUGH CONFIDENCE REMAINS LOW AT
THIS TIME...A FLOOD WATCH MAY BE NEEDED AT SOME POINT IN THE
WEEKEND.

THE TRACK OF THIS LOW REMAINS HIGHLY UNCERTAIN WITH SOME MODELS
MOVING IT ACROSS NORTH OR CENTRAL FLORIDA EARLY NEXT WEEK, WHILE
OTHERS TRACK IT TOWARDS THE TEXAS COAST. SHOULD THE TRACK ACROSS
NORTH OR CENTRAL FLORIDA VERIFY, THE RISK FOR HEAVY RAINS...GUSTY
WINDS AND MINOR COASTAL FLOODING ALONG THE GULF COAST WOULD
INCREASE LOCALLY. AT THIS TIME THE NATIONAL HURRICANE CENTER IS
FAVORING A TRACK WESTWARD OVER THE GULF OF MEXICO...AND THIS WOULD
LIMIT THE HEAVY RAINFALL RISK ACROSS SOUTH FLORIDA. AGAIN, THIS
FORECAST IS HIGHLY UNCERTAIN, SO STAY TUNED TO THE LATEST
FORECASTS CONCERNING THIS DEVELOPING SYSTEM.

RIP CURRENT RISK WILL REMAIN ELEVATED OVER THE WEEKEND,
ESPECIALLY ALONG THE GULF COAST DUE TO INCREASING SOUTHERLY WINDS
AND SEAS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

FOR MORE INFORMATION...VISIT THE NATIONAL WEATHER SERVICE IN MIAMI
WEBSITE AT WWW.WEATHER.GOV/MIAMI.

GREGORIA

In the hours before

Special weather statement, Jun 23, 7:12 PM EDT, 1 hour 36 minutes before
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Special weather statement, Jun 23, 7:23 PM EDT, 1 hour 25 minutes before
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Local storm report, Jun 23, 7:38 PM EDT, 1 hour 10 minutes before
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Local storm report, Jun 23, 7:45 PM EDT, 1 hour 3 minutes before
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Special weather statement, Jun 23, 8:03 PM EDT, 45 minutes before
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Special weather statement, Jun 23, 8:48 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 23, 8:03 PM EDTSpecial Weather StatementMFLPalm Beach27 min
Jun 23, 8:47 PM EDTSpecial Marine WarningMFL58 min
Jun 23, 9:43 PM EDTSpecial Marine WarningMFL47 min
Jun 24, 2:18 AM EDTSpecial Marine WarningMFL57 min
Jun 24, 3:13 AM EDTSpecial Marine WarningMFL62 min
Jun 24, 5:45 AM EDTSpecial Marine WarningMFL60 min
Jun 24, 6:44 AM EDTSpecial Marine WarningMFL61 min
Jun 24, 7:13 AM EDTSpecial Weather StatementMFLBroward32 min
Jun 24, 7:40 AM EDTSpecial Marine WarningMFL65 min
Jun 24, 7:45 AM EDTSpecial Weather StatementMFLBroward30 min
Jun 24, 8:14 AM EDTSpecial Weather StatementMFLBroward31 min
Jun 24, 8:41 AM EDTSpecial Marine WarningMFL64 min
Jun 24, 8:57 AM EDTSpecial Weather StatementMFLCollier48 min
Jun 24, 9:10 AM EDTSpecial Marine WarningMFL35 min
Jun 24, 9:48 AM EDTSpecial Marine WarningMFL57 min
Jun 24, 10:25 AM EDTSpecial Weather StatementMFLBroward35 min
Jun 24, 10:44 AM EDTSpecial Marine WarningMFL61 min
Jun 24, 10:48 AM EDTSpecial Weather StatementMFLGlades27 min
Jun 24, 10:53 AM EDTSpecial Weather StatementMFLPalm Beach52 min
Jun 24, 10:59 AM EDTSpecial Weather StatementMFLCollier46 min
Jun 24, 11:02 AM EDTTornado WarningMFLPalm Beach28 min
Jun 24, 11:12 AM EDTSpecial Marine WarningMFL33 min
Jun 24, 11:27 AM EDTTornado WarningMFLPalm Beach33 min
Jun 24, 11:28 AM EDTSpecial Weather StatementMFLGlades32 min
Jun 24, 11:31 AM EDTTornado WarningMFLCollier29 min
Jun 24, 11:40 AM EDTTornado WarningMFLGlades35 min
Jun 24, 11:49 AM EDTSevere Thunderstorm WarningMFLPalm Beach26 min
Jun 24, 11:56 AM EDTTornado WarningMFLCollier34 min
Jun 24, 12:01 PM EDTTornado WarningMFLCollier, Hendry29 min
Jun 24, 12:07 PM EDTTornado WarningMFLGlades23 min
Jun 24, 12:18 PM EDTTornado WarningMFLCollier33 min
Jun 24, 12:20 PM EDTSpecial Marine WarningMFL115 min
Jun 24, 12:20 PM EDTTornado WarningMFLPalm Beach25 min
Jun 24, 12:22 PM EDTTornado WarningMFLCollier, Glades, Hendry53 min
Jun 24, 12:26 PM EDTTornado WarningMFLCollier, Hendry34 min
Jun 24, 12:43 PM EDTTornado WarningMFLCollier, Hendry32 min
Jun 24, 12:44 PM EDTSpecial Weather StatementMFLPalm Beach31 min
Jun 24, 12:57 PM EDTTornado WarningMFLPalm Beach33 min
Jun 24, 12:58 PM EDTTornado WarningMFLGlades, Hendry32 min
Jun 24, 1:01 PM EDTSpecial Weather StatementMFLPalm Beach29 min
Jun 24, 1:05 PM EDTSpecial Weather StatementMFLGlades40 min
Jun 24, 1:10 PM EDTTornado WarningMFLPalm Beach35 min
Jun 24, 1:14 PM EDTAreal Flood AdvisoryMFLPalm Beach4 hr
Jun 24, 1:23 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade23 min
Jun 24, 1:27 PM EDTTornado WarningMFLGlades33 min
Jun 24, 1:28 PM EDTSpecial Marine WarningMFL32 min
Jun 24, 1:50 PM EDTTornado WarningMFLGlades25 min
Jun 24, 1:54 PM EDTSpecial Marine WarningMFL66 min
Jun 24, 1:56 PM EDTSpecial Weather StatementMFLPalm Beach34 min
Jun 24, 2:13 PM EDTTornado WarningMFLGlades, Hendry32 min
Jun 24, 2:18 PM EDTSpecial Weather StatementMFLBroward27 min
Jun 24, 2:32 PM EDTSpecial Weather StatementMFLMartin28 min
Jun 24, 2:43 PM EDTTornado WarningMFLGlades, Hendry47 min
Jun 24, 2:54 PM EDTSpecial Marine WarningMFL2 hr
Jun 24, 2:55 PM EDTSpecial Marine WarningMFL65 min
Jun 24, 3:12 PM EDTSpecial Weather StatementMFLPalm Beach48 min
Jun 24, 3:28 PM EDTTornado WarningMFLGlades, Hendry62 min
Jun 24, 5:01 PM EDTSpecial Marine WarningMFL89 min
Jun 24, 5:47 PM EDTSpecial Weather StatementMFLPalm Beach28 min
Jun 24, 6:09 PM EDTSpecial Weather StatementMFLPalm Beach36 min
Jun 24, 6:26 PM EDTSpecial Marine WarningMFL64 min
Jun 24, 6:27 PM EDTSpecial Marine WarningMFL93 min
Jun 24, 6:34 PM EDTTornado WarningMFLPalm Beach26 min
Jun 24, 7:39 PM EDTSpecial Marine WarningMFL66 min

Nearby

Special Weather Statements in Florida, 2012Every 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.