Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Miami, FL

March 6, 2021Broward County, Florida

NWS Miami, FL issued this special weather statement at Mar 6, 2021, 3:11 PM EST for Broward County, Florida. It was in force for 64 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
Mar 6, 2021, 3:11 PM EST (20:11 UTC)
Expired
Mar 6, 2021, 4:15 PM EST
In force
64 min
Issued by
NWS Miami, FL

County Broward County, FL

The radar

The Miami radar (KAMX), 54 km from the middle of the area, began a volume at 20:12 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, 8.2 hours before the alert went out and 51 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 2021-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2021-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939587897117Sfc1 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
2 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1349 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

642 
WWUS82 KMFL 062011
SPSMFL

Special Weather Statement
National Weather Service Miami FL
311 PM EST Sat Mar 6 2021
 
FLZ070-071-073-062115-
Inland Broward County FL-Inland Collier County FL-Inland Miami-
Dade County FL-
311 PM EST Sat Mar 6 2021

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL COLLIER...NORTHERN
MIAMI-DADE AND SOUTHERN BROWARD COUNTIES UNTIL 415 PM EST...

* At 310 PM EST, National Weather Service meteorologists were
  tracking a strong thunderstorm 7 miles north of Dade-Collier
  Training Airport, or 28 miles east of Chokoloskee, moving east at 15 to
  20 mph.

* Dime size hail, funnel clouds, and winds in excess of 45 mph
  possible with this storm.

* Locations impacted include...
  East Toll Gate On Alligator Alley and Big Cypress National
  Preserve.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Funnel clouds occasionally touch down and produce tornadoes or
waterspouts. Move indoors and stay away from windows.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

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 8096 2606 8096 2614 8048 2587 8048
TIME...MOT...LOC 2010Z 265DEG 19KT 2597 8090 

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 2:45 PM ESTSpecial Weather StatementMFLCollier45 min
Mar 6, 3:02 PM ESTSmall Craft AdvisoryMFL5 days
Mar 6, 3:37 PM ESTSpecial Weather StatementMFLBroward38 min
Mar 6, 3:58 PM ESTSpecial Weather StatementMFLBroward62 min
Mar 6, 4:27 PM ESTSevere Thunderstorm WarningMFLBroward, Miami-Dade48 min
Mar 6, 4:30 PM ESTSpecial Marine WarningMFL60 min
Mar 6, 4:48 PM ESTSpecial Weather StatementMFLMiami-Dade57 min
Mar 6, 5:09 PM ESTAreal Flood AdvisoryMFLMiami-Dade3 hr
Mar 6, 5:17 PM ESTSpecial Marine WarningMFL58 min
Mar 6, 5:24 PM ESTSevere Thunderstorm WarningMFLMiami-Dade17 min
Mar 6, 5:41 PM ESTSpecial Marine WarningMFL64 min
Mar 6, 6:04 PM ESTSpecial Marine WarningMFL86 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.