Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Miami, FL

July 28, 2021Broward County, Florida

NWS Miami, FL issued this special weather statement at Jul 28, 2021, 2:13 PM EDT for Broward County, Florida. It was in force for 47 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
Jul 28, 2021, 2:13 PM EDT (18:13 UTC)
Expired
Jul 28, 2021, 3:00 PM EDT
In force
47 min
Issued by
NWS Miami, FL

County Broward County, FL

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 6.2 hours before the alert went out and 57 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 2021-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1469 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 2021-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
1469 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
3 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
-31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

420 
WWUS82 KMFL 281813
SPSMFL

Special Weather Statement
National Weather Service Miami FL
213 PM EDT Wed Jul 28 2021
 
FLZ070-071-073-075-281900-
Inland Broward County FL-Inland Collier County FL-Mainland Monroe FL-
Inland Miami-Dade County FL-
213 PM EDT Wed Jul 28 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN COLLIER...NORTHERN
MIAMI-DADE AND SOUTHERN BROWARD COUNTIES UNTIL 300 PM EDT...

* At 213 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm near Dade-Collier Training Airport,
  or 32 miles east of Chokoloskee, moving northeast at 10 mph.

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

* Locations impacted include...
  Dade-Collier Training Airport and Big Cypress National Preserve. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 2577 8089 2597 8104 2614 8082 2592 8062
TIME...MOT...LOC 1813Z 231DEG 7KT 2593 8086 

$$

CWC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:00 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade3 hr
Jul 28, 12:32 PM EDTSpecial Weather StatementMFLHendry43 min
Jul 28, 12:56 PM EDTSpecial Weather StatementMFLMiami-Dade49 min
Jul 28, 1:16 PM EDTAreal Flood AdvisoryMFLMiami-Dade119 min
Jul 28, 1:29 PM EDTSpecial Marine WarningMFL61 min
Jul 28, 1:36 PM EDTSpecial Weather StatementMFLHendry39 min
Jul 28, 1:47 PM EDTSpecial Weather StatementMFLBroward43 min
Jul 28, 2:10 PM EDTSpecial Marine WarningMFL65 min
Jul 28, 2:12 PM EDTAreal Flood AdvisoryMFLBroward2 hr
Jul 28, 2:28 PM EDTSpecial Weather StatementMFLPalm Beach47 min
Jul 28, 3:09 PM EDTSpecial Weather StatementMFLBroward51 min
Jul 28, 3:13 PM EDTSpecial Weather StatementMFLBroward, Palm Beach47 min
Jul 28, 3:28 PM EDTSpecial Weather StatementMFLPalm Beach47 min
Jul 28, 3:33 PM EDTAreal Flood AdvisoryMFLPalm Beach117 min
Jul 28, 3:37 PM EDTAreal Flood AdvisoryMFLBroward113 min
Jul 28, 3:52 PM EDTSpecial Weather StatementMFLMiami-Dade38 min
Jul 28, 4:04 PM EDTSpecial Marine WarningMFL41 min
Jul 28, 4:05 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade115 min
Jul 28, 4:44 PM EDTSpecial Marine WarningMFL61 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.