Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

August 27, 2012Glades County, Palm Beach County, Florida

NWS Miami, FL issued this special weather statement at Aug 27, 2012, 1:53 AM EDT for Glades County, Palm Beach County, Florida. It was in force for 52 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 27, 2012, 1:53 AM EDT (05:53 UTC)
Expired
Aug 27, 2012, 2:45 AM EDT
In force
52 min
Issued by
NWS Miami, FL

Counties Glades County, FL, Palm Beach County, FL

The radar

The Melbourne radar (KMLB), 137 km from the middle of the area, began a volume at 05:53 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, 5.9 hours before the alert went out and 130 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 2012-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2399 joules per kilogram.LCLEL10008507005003002001001 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, Miami, FL at 00:00Z on 2012-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.193958Sfc1 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
2399 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

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 27, 12:31 AM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Aug 27, 12:31 AM EDT, 1 hour 22 minutes before
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Hazardous weather outlook, Aug 27, 12:31 AM EDT, 1 hour 22 minutes before
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In the hours before

Local storm report, Aug 27, 12:20 AM EDT, 1 hour 33 minutes before
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Special weather statement, Aug 27, 12:38 AM EDT, 1 hour 15 minutes before
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Special weather statement, Aug 27, 1:19 AM EDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
119 AM EDT MON AUG 27 2012

FLZ067-068-072-168-172-270615-
COASTAL BROWARD COUNTY FL COASTAL PALM BEACH COUNTY FL INLAND PALM
BEACH COUNTY FL METRO BROWARD COUNTY FL METRO PALM BEACH COUNTY FL
119 AM EDT MON AUG 27 2012

...STRONG RAINBAND WITH SEVERE WIND GUSTS OF 60 TO 70 MPH MOVING
ONSHORE THE NORTHEASTERN BROWARD AND SOUTHEASTERN PALM BEACH COAST...

* UNTIL 215 AM EDT

* AT 115 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  STRONG RAINBAND MOVING ONSHORE THE NORTHEASTERN BROWARD AND SOUTHEAST
  PALM BEACH COAST...MOVING  NORTHWEST AT 50 MPH. SEVERE WINDS OF
  60 TO 70 MPH ARE EXPECTED WITHIN THIS RAINBAND AS IT MOVES ONSHORE.

* THE STRONG WINDS WILL AFFECT...
  BOCA RATON...
  DELRAY BEACH...
  VILLAGE OF GOLF...
  ABERDEEN...
  FLORIDA GARDENS...
  WELLINGTON...
  ROYAL PALM BEACH...
  AND SURROUNDING COMMUNITIES.

FUNNEL CLOUDS ARE POSSIBLE AS WELL...WHICH CAN OCCASIONALLY TOUCH
DOWN AND PRODUCE TORNADOES. MOVE INDOORS AND STAY AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT MONDAY MORNING FOR
SOUTHERN FLORIDA.

LAT...LON 2655 8004 2640 8006 2626 8007 2620 8009
      2669 8043 2681 8008 2669 8002 2663 8003
      2660 8004 2659 8003 2655 8003
TIME...MOT...LOC 0516Z 147DEG 42KT 2642 8008

GREGORIA
Local storm report, Aug 27, 1:46 AM EDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
146 AM EDT MON AUG 27 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0137 AM     TROPICAL STORM   WEST PALM BEACH         26.71N 80.06W
08/27/2012                   PALM BEACH         FL   ASOS

            A WIND GUST OF 61 MPH WAS MEASURED AT THE PALM BEACH
            INTERNATIONAL AIRPORT.

&&

GREGORIA
Local storm report, Aug 27, 1:49 AM EDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
149 AM EDT MON AUG 27 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1200 AM     HEAVY RAIN       FORT LAUDERDALE         26.12N 80.15W
08/27/2012  M6.98 INCH       BROWARD            FL   TRAINED SPOTTER

            A TRAINED SPOTTER AT THE 5 ASH WATER PLANT IN FORT
            LAUDERDALE RECORDED A 24-HR RAINFALL OF 6.98 INCHES
            BETWEEN MIDNIGHT AND MIDNIGHT.

&&

ROSS
Special weather statement, Aug 27, 1:53 AM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
153 AM EDT MON AUG 27 2012

FLZ063-066>068-168-270645-
COASTAL PALM BEACH COUNTY FL GLADES FL HENDRY FL INLAND PALM BEACH
COUNTY FL METRO PALM BEACH COUNTY FL
153 AM EDT MON AUG 27 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR NORTHERN PALM
BEACH COUNTY...EASTERN GLADES COUNTY...NORTHEASTERN HENDRY COUNTY...
FOR GUSTY WINDS OF 45 TO 55 MPH...

THE DEVELOPMENT OF FUNNEL CLOUDS...

* UNTIL 245 AM EDT

* AT 151 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM JUPITER TO
  7 MILES WEST OF SOUTH BAY...AND MOVING NORTHWEST AT 50 MPH.

* THE LINE OF STORMS WILL AFFECT...
  CALOOSA...
  CANAL POINT...
  INDIAN PRAIRIE CANAL MOUTH...
  BRIGHTON SEMINOLE INDIAN...
  AND SURROUNDING COMMUNITIES.

THE PRIMARY IMPACTS WILL BE GUSTY WINDS OF 45 TO 55 MPH. 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.

THIS ACTIVITY WAS ALSO DEVELOPING IN AN ENVIRONMENT FAVORABLE FOR THE
FORMATION OF FUNNEL CLOUDS. STAY TUNED TO NOAA WEATHER RADIO AND
LOCAL MEDIA FOR ADDITIONAL UPDATES AND POSSIBLE WARNINGS.

FUNNEL CLOUDS OCCASIONALLY TOUCH DOWN AND PRODUCE TORNADOES. MOVE
INDOORS AND STAY AWAY FROM WINDOWS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT MONDAY MORNING FOR
SOUTHERN FLORIDA.

LAT...LON 2645 8077 2706 8128 2707 8127 2721 8094
      2717 8088 2713 8087 2708 8094 2704 8092
      2698 8107 2689 8111 2682 8105 2682 8095
      2677 8094 2671 8081 2670 8073 2677 8075
      2676 8069 2696 8061 2698 8008 2680 8003
TIME...MOT...LOC 0553Z 145DEG 52KT 2696 8015 2668 8084

GARCIA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 8:16 PM EDTSpecial Weather StatementMFLBroward44 min
Aug 26, 8:38 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach112 min
Aug 26, 9:07 PM EDTSpecial Weather StatementMFLPalm Beach23 min
Aug 26, 9:10 PM EDTRiver Flood WarningMFLGlades6 days
Aug 26, 9:23 PM EDTTornado WarningMFLPalm Beach22 min
Aug 26, 9:30 PM EDTAreal Flood AdvisoryMFLPalm Beach2 hr
Aug 26, 9:38 PM EDTSpecial Weather StatementMFLPalm Beach37 min
Aug 26, 9:49 PM EDTTornado WarningMFLBroward, Miami-Dade7 min
Aug 26, 10:13 PM EDTSpecial Weather StatementMFLBroward62 min
Aug 26, 10:17 PM EDTSpecial Marine WarningMFL118 min
Aug 26, 10:18 PM EDTSpecial Weather StatementMFLPalm Beach57 min
Aug 26, 10:49 PM EDTFlash Flood WarningMFLPalm Beach3 hr
Aug 26, 11:21 PM EDTSpecial Weather StatementMFLBroward, Palm Beach54 min
Aug 26, 11:40 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach2 hr
Aug 27, 12:06 AM EDTAreal Flood AdvisoryMFLPalm Beach114 min
Aug 27, 12:13 AM EDTSpecial Marine WarningMFL2 hr
Aug 27, 12:38 AM EDTSpecial Weather StatementMFLPalm Beach52 min
Aug 27, 1:19 AM EDTSpecial Weather StatementMFLPalm Beach56 min
Aug 27, 1:51 AM EDTFlash Flood WarningMFLPalm Beach9 hr
Aug 27, 2:08 AM EDTSpecial Marine WarningMFL112 min
Aug 27, 2:10 AM EDTAreal Flood AdvisoryMFLPalm Beach110 min
Aug 27, 5:49 AM EDTSmall Craft AdvisoryMFL38 hr
Aug 27, 5:49 AM EDTWind AdvisoryMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more15 hr
Aug 27, 6:23 AM EDTRip Current StatementMFLBroward, Collier, Miami-Dade, Palm Beach19 hr
Aug 27, 6:30 AM EDTAreal Flood AdvisoryMFLPalm Beach2 hr
Aug 27, 6:36 AM EDTSpecial Marine WarningMFL24 min
Aug 27, 6:38 AM EDTSpecial Marine WarningMFL2 hr
Aug 27, 8:07 AM EDTSpecial Weather StatementMFLPalm Beach53 min
Aug 27, 8:26 AM EDTAreal Flood AdvisoryMFLGlades, Palm Beach42 min
Aug 27, 8:38 AM EDTSpecial Marine WarningMFL52 min
Aug 27, 9:21 AM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade, Palm Beach114 min
Aug 27, 9:52 AM EDTSpecial Weather StatementMFLBroward23 min
Aug 27, 9:57 AM EDTSpecial Weather StatementMFLBroward18 min
Aug 27, 11:10 AM EDTFlash Flood WarningMFLBroward, Palm Beach3 hr
Aug 27, 11:25 AM EDTSpecial Weather StatementMFLBroward, Miami-Dade, Palm Beach65 min
Aug 27, 11:56 AM EDTSpecial Marine WarningMFL2 hr
Aug 27, 12:04 PM EDTGale WarningMFL9 hr
Aug 27, 12:06 PM EDTAreal Flood AdvisoryMFLMiami-Dade114 min
Aug 27, 12:24 PM EDTCoastal Flood StatementMFLCollier13 hr
Aug 27, 1:05 PM EDTSpecial Weather StatementMFLBroward, Miami-Dade, Palm Beach25 min
Aug 27, 1:08 PM EDTSevere Thunderstorm WarningMFLPalm Beach37 min
Aug 27, 1:28 PM EDTSpecial Weather StatementMFLBroward, Palm Beach62 min
Aug 27, 1:40 PM EDTFlash Flood WarningMFLBroward, Palm Beach3 hr
Aug 27, 1:47 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade118 min
Aug 27, 2:14 PM EDTSpecial Marine WarningMFL91 min
Aug 27, 2:32 PM EDTSpecial Weather StatementMFLBroward, Palm Beach58 min
Aug 27, 2:56 PM EDTSevere Thunderstorm WarningMFLPalm Beach12 min
Aug 27, 3:01 PM EDTSpecial Weather StatementMFLCollier29 min
Aug 27, 3:19 PM EDTSpecial Marine WarningMFL116 min
Aug 27, 4:39 PM EDTAreal Flood WarningMFLBroward, Palm Beach6 hr
Aug 27, 5:11 PM EDTSpecial Marine WarningMFL94 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.