Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Miami, FL

August 2, 2021Hendry County, Florida

NWS Miami, FL issued this special weather statement at Aug 2, 2021, 5:54 PM EDT for Hendry County, Florida. It was in force for 51 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, 5:54 PM EDT (21:54 UTC)
Expired
Aug 2, 2021, 6:45 PM EDT
In force
51 min
Issued by
NWS Miami, FL

County Hendry County, FL

The radar

The Miami radar (KAMX), 132 km from the middle of the area, began a volume at 21:54 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, 9.9 hours before the alert went out and 120 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 2021-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 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 2021-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
1725 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
-21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

764 
WWUS82 KMFL 022154
SPSMFL

Special Weather Statement
National Weather Service Miami FL
554 PM EDT Mon Aug 2 2021
 
FLZ063-066-067-022245-
Hendry FL-Inland Palm Beach County FL-Glades FL-
554 PM EDT Mon Aug 2 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HENDRY AND SOUTH
CENTRAL GLADES COUNTIES UNTIL 645 PM EDT...

* At 554 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm over Devils Garden, or over Montura,
  moving northeast at 10 mph.

* Small hail and winds in excess of 45 mph possible with this storm.

* Locations impacted include...
  Clewiston, Moore Haven, Montura, Devils Garden, Harlem 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 this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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 2644 8104 2662 8137 2695 8112 2677 8078
TIME...MOT...LOC 2154Z 230DEG 7KT 2664 8113 

$$

Weinman

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 2:32 AM EDTHeat AdvisoryMFLCollier, Glades, Hendry16 hr
Aug 2, 6:42 AM EDTSpecial Marine WarningMFL48 min
Aug 2, 8:57 AM EDTSpecial Marine WarningMFL24 min
Aug 2, 10:36 AM EDTSpecial Weather StatementMFLMonroe39 min
Aug 2, 12:18 PM EDTSpecial Weather StatementMFLBroward42 min
Aug 2, 1:39 PM EDTSpecial Weather StatementMFLMiami-Dade51 min
Aug 2, 2:28 PM EDTSpecial Weather StatementMFLBroward47 min
Aug 2, 2:39 PM EDTSpecial Weather StatementMFLBroward36 min
Aug 2, 3:04 PM EDTSpecial Weather StatementMFLBroward41 min
Aug 2, 3:08 PM EDTAreal Flood AdvisoryMFLBroward, Miami-Dade, Palm Beach2 hr
Aug 2, 3:14 PM EDTSpecial Weather StatementMFLBroward46 min
Aug 2, 3:17 PM EDTSpecial Marine WarningMFL58 min
Aug 2, 3:26 PM EDTSevere Thunderstorm WarningMFLBroward, Palm Beach37 min
Aug 2, 3:33 PM EDTAreal Flood AdvisoryMFLBroward, Palm Beach117 min
Aug 2, 3:43 PM EDTSpecial Weather StatementMFLPalm Beach47 min
Aug 2, 4:01 PM EDTSpecial Marine WarningMFL59 min
Aug 2, 4:07 PM EDTSpecial Marine WarningMFL68 min
Aug 2, 4:31 PM EDTSpecial Weather StatementMFLPalm Beach44 min
Aug 2, 4:47 PM EDTSpecial Weather StatementMFLGlades43 min
Aug 2, 5:15 PM EDTSpecial Marine WarningMFL45 min
Aug 2, 5:19 PM EDTSpecial Weather StatementMFLHendry41 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.