Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Miami, FL

August 4, 2021Broward County, Florida

NWS Miami, FL issued this special weather statement at Aug 4, 2021, 12:02 PM EDT for Broward County, Florida. It was in force for 43 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 4, 2021, 12:02 PM EDT (16:02 UTC)
Expired
Aug 4, 2021, 12:45 PM EDT
In force
43 min
Issued by
NWS Miami, FL

County Broward County, FL

The radar

The Miami radar (KAMX), 48 km from the middle of the area, began a volume at 16:02 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, 4.0 hours before the alert went out and 34 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 2021-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 903 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 2021-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
903 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

695 
WWUS82 KMFL 041602
SPSMFL

Special Weather Statement
National Weather Service Miami FL
1202 PM EDT Wed Aug 4 2021
 
FLZ071>073-041645-
Inland Broward County FL-Metro Broward County FL-Inland Miami-
Dade County FL-
1202 PM EDT Wed Aug 4 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL MIAMI-DADE AND
SOUTH CENTRAL BROWARD COUNTIES UNTIL 1245 PM EDT...

* At 1202 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm 9 miles south of Mile Marker 30 On
  Alligator Alley, or 14 miles west of Pembroke Pines, moving east at
  15 to 20 mph.

* Winds in excess of 45 mph possible with this storm.

* Locations impacted include...
  Pembroke Pines, Miramar, Weston, Mile Marker 30 On Alligator Alley,
  Intersection Krome And U.S. 27, East Toll Gate On Alligator Alley
  and Intersection I-75 And U.S. 27.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Miami on Facebook and
Twitter.

&&

LAT...LON 2592 8063 2611 8068 2622 8039 2596 8035
TIME...MOT...LOC 1602Z 260DEG 18KT 2602 8058 

$$

MOLLEDA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 8:00 PM EDTSpecial Weather StatementMFLMiami-Dade60 min
Aug 3, 8:11 PM EDTSpecial Weather StatementMFLMiami-Dade49 min
Aug 3, 8:16 PM EDTAreal Flood AdvisoryMFLMiami-Dade119 min
Aug 3, 8:27 PM EDTAreal Flood AdvisoryMFLMiami-Dade2 hr
Aug 3, 9:29 PM EDTSpecial Weather StatementMFLMiami-Dade61 min
Aug 4, 7:49 AM EDTAreal Flood AdvisoryMFLCollier2 hr
Aug 4, 8:44 AM EDTAreal Flood AdvisoryMFLCollier2 hr
Aug 4, 11:15 AM EDTAreal Flood AdvisoryMFLCollier3 hr
Aug 4, 11:53 AM EDTSpecial Marine WarningMFL67 min
Aug 4, 12:40 PM EDTSpecial Weather StatementMFLBroward35 min
Aug 4, 12:58 PM EDTSpecial Marine WarningMFL62 min
Aug 4, 1:11 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade2 hr
Aug 4, 1:11 PM EDTSpecial Weather StatementMFLBroward64 min
Aug 4, 1:25 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach2 hr
Aug 4, 3:18 PM EDTAreal Flood AdvisoryMFLMiami-Dade117 min

Nearby

Special Weather Statements in Florida, 2021Every special weather statement in 2021

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.