Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

May 8, 2012Miami-Dade County, Florida

NWS Miami, FL issued this special weather statement at May 8, 2012, 3:01 PM EDT for Miami-Dade County, Florida. It was in force for 44 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
May 8, 2012, 3:01 PM EDT (19:01 UTC)
Expired
May 8, 2012, 3:45 PM EDT
In force
44 min
Issued by
NWS Miami, FL

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 18 km from the middle of the area, began a volume at 19:03 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, 7.0 hours before the alert went out and 10 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 2012-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2012-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
33 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 May 8, 12:28 PM EDT, 2 hours 33 minutes earlier.

Area forecast discussion, May 8, 12:28 PM EDT, 2 hours 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
1228 PM EDT TUE MAY 8 2012

.AVIATION...SHRA/TSRA DVLPG INTERIOR AND MOVG NE. WITH SSE SEA
BREEZE ON E COAST...SHRA/TSRA TO INCRS IN COVERAGE AND IMPACTING
BROWARD/PALM BEACH TERMINALS PRIMARILY BUT MIAMI DADE WL SEE
ACTIVITY AS WELL. MOSTLY VFR CONDITIONS THRU THE PD BUT THRU 00Z
PERIODS OF MVFR CIG/VSBY PSBL BUT UNDECIDED ABT TEMPO GRP
INSERTION INTO TAFS ATTM. IF ANY TERMINAL AFFECTED WND GUSTS COULD
EXCEED 35 KT. AT KAPF... VFR THRU PD THOUGH SHRA MOVG IN FM GULF
PSBL AFT 00Z.

&&

.PRELIMINARY POINT TEMPS/POPS...
WEST PALM BEACH  70  87  71  86 / 30 40 20 40
FORT LAUDERDALE  71  87  74  88 / 30 40 20 40
MIAMI            72  87  73  87 / 20 40 20 30
NAPLES           70  85  71  85 / 10 20 20 30

&&

.MFL WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.
GM...NONE.
&&

DISCUSSION/MARINE/FIRE...14/MJB
AVIATION/RADAR...15/JR
Hazardous weather outlook, May 8, 2:41 PM EDT, 20 minutes before
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In the hours before

Special weather statement, May 8, 2:00 PM EDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
200 PM EDT TUE MAY 8 2012

FLZ072-074-172-173-081845-
COASTAL BROWARD COUNTY FL COASTAL MIAMI DADE COUNTY FL METRO BROWARD
COUNTY FL METROPOLITAN MIAMI DADE FL
200 PM EDT TUE MAY 8 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHEASTERN BROWARD COUNTY
  NORTHEASTERN MIAMI-DADE COUNTY

* UNTIL 245 PM EDT

* AT 158 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM MIAMI
  GARDENS TO MIAMI SHORES...AND MOVING NORTHEAST AT 15 MPH.

* THE LINE OF STORMS WILL AFFECT...
  MIAMI GARDENS...
  MIRAMAR PARKWAY AND UNIVERSITY DRIVE...
  NORTH MIAMI BEACH...
  COOPER CITY...
  NOVA SOUTHEASTERN UNIVERSITY...
  HOLLYWOOD...
  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.

ALSO...THESE STORMS ARE DEVELOPING IN AN ENVIRONMENT FAVORABLE FOR
FUNNEL CLOUDS.

RESIDENTS NEAR THE PATH OF SHOULD REMAIN ON THE ALERT FOR ADDITIONAL
STATEMENTS AND POSSIBLE WARNINGS.

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

LAT...LON 2600 8011 2590 8011 2585 8015 2588 8015
      2584 8017 2596 8034 2613 8026 2608 8010
TIME...MOT...LOC 1800Z 204DEG 14KT 2599 8029 2588 8018

BAXTER
Special weather statement, May 8, 2:16 PM EDT, 45 minutes before
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Local storm report, May 8, 2:43 PM EDT, 18 minutes before
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Special weather statement, May 8, 2:58 PM EDT, 3 minutes before
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Special weather statement, May 8, 3:01 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
May 7, 9:40 PM EDTSpecial Weather StatementMFLBroward50 min
May 7, 10:28 PM EDTSpecial Weather StatementMFLBroward32 min
May 8, 2:00 PM EDTSpecial Weather StatementMFLBroward45 min
May 8, 2:05 PM EDTSpecial Marine WarningMFL39 min
May 8, 2:10 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade23 min
May 8, 2:16 PM EDTSpecial Weather StatementMFLHendry44 min
May 8, 2:30 PM EDTTornado WarningMFLPalm Beach18 min
May 8, 2:46 PM EDTSpecial Marine WarningMFL29 min
May 8, 2:58 PM EDTSpecial Weather StatementMFLBroward47 min
May 8, 3:08 PM EDTSpecial Weather StatementMFLHendry37 min
May 8, 3:14 PM EDTSpecial Marine WarningMFL61 min
May 8, 3:33 PM EDTAreal Flood AdvisoryMFLMiami-Dade117 min
May 8, 3:38 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach52 min
May 8, 3:42 PM EDTSpecial Weather StatementMFLGlades33 min
May 8, 3:48 PM EDTSpecial Weather StatementMFLBroward57 min
May 8, 3:53 PM EDTSpecial Marine WarningMFL112 min
May 8, 3:58 PM EDTSpecial Weather StatementMFLMiami-Dade32 min
May 8, 4:37 PM EDTSpecial Weather StatementMFLMiami-Dade38 min
May 8, 4:50 PM EDTSpecial Marine WarningMFL55 min
May 8, 4:53 PM EDTSpecial Weather StatementMFLMiami-Dade37 min
May 8, 5:21 PM EDTSpecial Weather StatementMFLMiami-Dade39 min
May 8, 5:35 PM EDTAreal Flood AdvisoryMFLMiami-Dade115 min
May 8, 5:38 PM EDTSpecial Marine WarningMFL82 min
May 8, 6:06 PM EDTSpecial Weather StatementMFLMiami-Dade39 min
May 8, 6:28 PM EDTSpecial Marine WarningMFL62 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.