Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Miami, FL

August 3, 2021Glades County, Florida

NWS Miami, FL issued this special weather statement at Aug 3, 2021, 5:07 PM EDT for Glades County, Florida. It was in force for 38 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 3, 2021, 5:07 PM EDT (21:07 UTC)
Expired
Aug 3, 2021, 5:45 PM EDT
In force
38 min
Issued by
NWS Miami, FL

County Glades County, FL

The radar

The Melbourne radar (KMLB), 136 km from the middle of the area, began a volume at 21:08 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

Tampa Bay, FL (KTBW), launched 12:00Z, 9.1 hours before the alert went out and 142 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, Tampa Bay, FL at 12:00Z on 2021-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 256 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, Tampa Bay, FL at 12:00Z on 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
256 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
814 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

993 
WWUS82 KMFL 032107
SPSMFL

Special Weather Statement
National Weather Service Miami FL
507 PM EDT Tue Aug 3 2021
 
FLZ063-066-070-032145-
Hendry FL-Inland Collier County FL-Glades FL-
507 PM EDT Tue Aug 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL COLLIER...
NORTHWESTERN HENDRY AND GLADES COUNTIES UNTIL 545 PM EDT...

* At 507 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from 8 miles
  northwest of Brighton Seminole Reservation to 7 miles southeast of
  Southwest Florida Airport. Movement was east at 20 mph.

* Winds in excess of 45 mph possible with these storms.

* Locations impacted include...
  Labelle, Lakeport, Palmdale, Port La Belle, Brighton Seminole
  Reservation, Felda, Ortona, Muse, Keri and Lake Hicpochee.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 2719 8091 2717 8090 2695 8112 2659 8117
      2645 8156 2667 8157 2700 8148 2703 8141
      2703 8127 2712 8126 2712 8117 2721 8117
      2721 8094
TIME...MOT...LOC 2107Z 270DEG 19KT 2718 8113 2645 8167 

$$

AR

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 2, 10:48 PM EDTSpecial Weather StatementMFLCollier42 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, 5:10 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.