Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

June 1, 2012Miami-Dade County, Florida

NWS Miami, FL issued this special weather statement at Jun 1, 2012, 4:21 PM EDT for Miami-Dade County, Florida. It was in force for 54 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 1, 2012, 4:21 PM EDT (20:21 UTC)
Expired
Jun 1, 2012, 5:15 PM EDT
In force
54 min
Issued by
NWS Miami, FL

County Miami-Dade County, FL

The radar

The Miami radar (KAMX), 12 km from the middle of the area, began a volume at 20:22 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, 8.4 hours before the alert went out and 32 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 2012-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 436 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 2012-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
436 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

492 
WWUS82 KMFL 012021
SPSMFL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
421 PM EDT FRI JUN 1 2012

FLZ073-074-173-174-012115-
COASTAL MIAMI DADE COUNTY FL FAR SOUTH MIAMI-DADE COUNTY FL INLAND
MIAMI-DADE COUNTY FL METROPOLITAN MIAMI DADE FL 
421 PM EDT FRI JUN 1 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  CENTRAL AND EASTERN MIAMI-DADE COUNTY 

* UNTIL 515 PM EDT

* AT 417 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES
  NORTHEAST OF FORTYMILE BEND TO 5 MILES SOUTHWEST OF HOMESTEAD
  GENERAL AIRPORT TO 10 MILES NORTHWEST OF KEY LARGO...AND MOVING
  EAST AT 25 MPH.

* THE LINE OF STORMS WILL AFFECT...
  HOMESTEAD...
  FLORIDA CITY...
  MIAMI...
  DORAL...
  MIAMI BEACH...
  GOULDS...
  HIALEAH...
  AND SURROUNDING COMMUNITIES.

THE PRIMARY IMPACTS WILL BE FREQUENT TO EXCESSIVE LIGHTNING AND GUSTY
WINDS OF 45 TO 55 MPH. 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...THIS LINE OF 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 2567 8015 2566 8016 2568 8018 2574 8017
      2572 8024 2553 8032 2540 8032 2541 8028
      2537 8028 2531 8037 2525 8039 2520 8055
      2522 8058 2518 8060 2547 8068 2587 8074
      2595 8012 2580 8011
TIME...MOT...LOC 2020Z 250DEG 23KT 2581 8070 2548 8061
          2522 8054

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 2:11 AM EDTSpecial Weather StatementMFLMonroe49 min
Jun 1, 2:42 AM EDTTornado WarningMFLMiami-Dade, Monroe25 min
Jun 1, 4:22 AM EDTSpecial Marine WarningMFL53 min
Jun 1, 4:49 AM EDTFlood WatchMFLBroward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more15 hr
Jun 1, 7:24 AM EDTSpecial Marine WarningMFL81 min
Jun 1, 8:03 AM EDTSpecial Marine WarningMFL87 min
Jun 1, 8:39 AM EDTSpecial Marine WarningMFL96 min
Jun 1, 8:43 AM EDTSpecial Weather StatementMFLMonroe62 min
Jun 1, 9:22 AM EDTSpecial Marine WarningMFL38 min
Jun 1, 9:25 AM EDTTornado WarningMFLMonroe13 min
Jun 1, 10:11 AM EDTSpecial Marine WarningMFL94 min
Jun 1, 11:28 AM EDTSpecial Marine WarningMFL51 min
Jun 1, 2:15 PM EDTSpecial Marine WarningMFL60 min
Jun 1, 2:37 PM EDTSpecial Weather StatementMFLMonroe53 min
Jun 1, 3:38 PM EDTSpecial Weather StatementMFLMiami-Dade, Monroe52 min
Jun 1, 4:23 PM EDTSpecial Marine WarningMFL52 min
Jun 1, 4:25 PM EDTTornado WarningMFLMiami-Dade20 min
Jun 1, 4:50 PM EDTSpecial Marine WarningMFL55 min
Jun 1, 5:07 PM EDTSpecial Weather StatementMFLMiami-Dade38 min
Jun 1, 5:39 PM EDTSpecial Marine WarningMFL96 min
Jun 1, 5:51 PM EDTSpecial Weather StatementMFLBroward24 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.