Alert archive / Florida / Special Weather Statements in 2012

Special Weather Statement, NWS Miami, FL

May 22, 2012Broward County, Florida

NWS Miami, FL issued this special weather statement at May 22, 2012, 2:21 PM EDT for Broward County, Florida. It was in force for 39 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 22, 2012, 2:21 PM EDT (18:21 UTC)
Expired
May 22, 2012, 3:00 PM EDT
In force
39 min
Issued by
NWS Miami, FL

County Broward County, FL

The radar

The Miami radar (KAMX), 72 km from the middle of the area, began a volume at 18:22 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, 6.4 hours before the alert went out and 48 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 2012-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1333 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 12:00Z on 2012-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.19395878Sfc1 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
1333 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
748 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

705 
WWUS82 KMFL 221821
SPSMFL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
221 PM EDT TUE MAY 22 2012

FLZ067-071-072-221900-
INLAND BROWARD COUNTY FL INLAND PALM BEACH COUNTY FL METRO BROWARD
COUNTY FL 
221 PM EDT TUE MAY 22 2012

THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A

* SIGNIFICANT WEATHER ADVISORY FOR...
  CENTRAL BROWARD COUNTY 
  EXTREME SOUTH CENTRAL PALM BEACH COUNTY 

* UNTIL 300 PM EDT

* AT 218 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  DEVELOPING THUNDERSTORM 5 MILES NORTHWEST OF SAWGRASS MILLS MALL...AND
  MOVING NORTHEAST AT 10 MPH.

* THE STORM WILL AFFECT...
  TAMARAC...
  CORAL SPRINGS...
  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.

LAT...LON 2634 8026 2620 8020 2612 8043 2625 8047
TIME...MOT...LOC 1820Z 243DEG 10KT 2621 8037

$$
RIVERA

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 8:00 PM EDTSpecial Weather StatementMFLMiami-Dade30 min
May 22, 9:32 AM EDTSpecial Marine WarningMFL35 min
May 22, 12:04 PM EDTSpecial Marine WarningMFL56 min
May 22, 12:26 PM EDTSpecial Weather StatementMFLPalm Beach34 min
May 22, 1:21 PM EDTAreal Flood AdvisoryMFLMiami-Dade114 min
May 22, 2:00 PM EDTTornado WarningMFLBroward12 min
May 22, 2:24 PM EDTFlash Flood WarningMFLMiami-Dade111 min
May 22, 2:39 PM EDTAreal Flood AdvisoryMFLBroward111 min
May 22, 4:25 PM EDTSpecial Weather StatementMFLBroward35 min
May 22, 5:04 PM EDTSpecial Weather StatementMFLMiami-Dade26 min
May 22, 5:15 PM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr
May 22, 5:44 PM EDTSpecial Weather StatementMFLMiami-Dade31 min
May 22, 6:37 PM EDTSpecial Weather StatementMFLMiami-Dade23 min
May 22, 7:21 PM EDTFlash Flood WarningMFLMiami-Dade3 hr
May 22, 7:37 PM EDTSpecial Weather StatementMFLMiami-Dade53 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.