Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Miami, FL

August 2, 2021Collier County, Florida

NWS Miami, FL issued this special weather statement at Aug 2, 2021, 10:48 PM EDT for Collier County, Florida. It was in force for 42 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 2, 2021, 10:48 PM EDT (02:48 UTC)
Expired
Aug 2, 2021, 11:30 PM EDT
In force
42 min
Issued by
NWS Miami, FL

County Collier County, FL

The radar

The Miami radar (KAMX), 107 km from the middle of the area, began a volume at 02:50 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 00:00Z, 2.8 hours before the alert went out and 115 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 00:00Z on 2021-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1929 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 00:00Z on 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1929 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
943 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

098 
WWUS82 KMFL 030248
SPSMFL

Special Weather Statement
National Weather Service Miami FL
1048 PM EDT Mon Aug 2 2021
 
FLZ069-070-030330-
Coastal Collier County FL-Inland Collier County FL-
1048 PM EDT Mon Aug 2 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL COLLIER COUNTY
UNTIL 1130 PM EDT...

* At 1047 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm near Everglades City. This storm was
  was drifting slowly northward.

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

* Locations impacted include...
  Everglades City, Plantation Island, Carnestown, Port Of The Island
  and Cape Romano Aquatic Preserve.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 2580 8138 2582 8155 2599 8157 2592 8131
TIME...MOT...LOC 0247Z 194DEG 3KT 2586 8147 

$$

BAXTER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 9:55 PM EDTSpecial Weather StatementMFLHendry50 min
Aug 3, 8:38 AM EDTSpecial Marine WarningMFL25 min
Aug 3, 11:37 AM EDTSpecial Weather StatementMFLBroward38 min
Aug 3, 11:43 AM EDTSpecial Weather StatementMFLBroward32 min
Aug 3, 12:14 PM EDTSpecial Weather StatementMFLBroward61 min
Aug 3, 12:22 PM EDTSevere Thunderstorm WarningMFLBroward23 min
Aug 3, 12:35 PM EDTSpecial Marine WarningMFL40 min
Aug 3, 12:39 PM EDTAreal Flood AdvisoryMFLBroward111 min
Aug 3, 1:08 PM EDTSpecial Weather StatementMFLPalm Beach37 min
Aug 3, 1:14 PM EDTSpecial Marine WarningMFL46 min
Aug 3, 1:40 PM EDTSpecial Marine WarningMFL35 min
Aug 3, 1:55 PM EDTAreal Flood AdvisoryMFLBroward2 hr
Aug 3, 2:53 PM EDTSpecial Weather StatementMFLHendry37 min
Aug 3, 4:15 PM EDTSpecial Weather StatementMFLCollier60 min
Aug 3, 4:36 PM EDTAreal Flood AdvisoryMFLCollier54 min
Aug 3, 5:07 PM EDTSpecial Weather StatementMFLGlades38 min
Aug 3, 5:10 PM EDTSpecial Marine WarningMFL35 min
Aug 3, 5:13 PM EDTSpecial Weather StatementMFLCollier, Hendry47 min
Aug 3, 5:56 PM EDTSpecial Weather StatementMFLCollier49 min
Aug 3, 6:00 PM EDTAreal Flood AdvisoryMFLMiami-Dade4 hr
Aug 3, 6:07 PM EDTSpecial Weather StatementMFLBroward38 min
Aug 3, 6:41 PM EDTSpecial Weather StatementMFLBroward, Palm Beach34 min
Aug 3, 7:05 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade40 min
Aug 3, 7:06 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach39 min
Aug 3, 7:25 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade2 hr
Aug 3, 7:26 PM EDTSpecial Marine WarningMFL64 min
Aug 3, 7:37 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade113 min
Aug 3, 7:43 PM EDTSevere Thunderstorm WarningMFLBroward, Miami-Dade32 min
Aug 3, 7:50 PM EDTAreal Flood AdvisoryMFLPalm Beach115 min
Aug 3, 7:50 PM EDTSpecial Weather StatementMFLPalm Beach40 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.