Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Miami, FL

September 2, 2021Collier County, Florida

NWS Miami, FL issued this special weather statement at Sep 2, 2021, 9:54 AM EDT for Collier 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: Sep 2, 2021, 9:54 AM EDT (13:54 UTC)
Expired: Sep 2, 2021, 10:45 AM EDT
In force: 51 min
Issued by: NWS Miami, FL
Hail: 0.00 in
Wind: 30
Spout: Possible

County Collier County, FL

The radar

The Miami radar (KAMX), 116 km from the middle of the area, began a volume at 13:55 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, 1.9 hours before the alert went out and 124 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 665 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 1082 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Miami, FL wrote its last area forecast discussion before this special weather statement went out at Sep 2, 8:44 AM EDT, 1 hour 10 minutes earlier.

Area forecast discussion, Sep 2, 8:44 AM EDT, 1 hour 10 minutes before

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Hazardous weather outlook, Sep 2, 8:40 AM EDT, 1 hour 14 minutes before

Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
840 AM EDT Thu Sep 2 2021

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
030045-
Lake Okeechobee-Biscayne Bay-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-Glades-Hendry-
Inland Palm Beach-Metro Palm Beach-Coastal Collier-Inland Collier-
Inland Broward-Metro Broward-Inland Miami-Dade-Metro Miami-Dade-
Mainland Monroe-Coastal Palm Beach-Coastal Broward-Coastal Miami-
Dade-Far South Miami-Dade-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
840 AM EDT Thu Sep 2 2021

...A Few Strong Storms Possible Today East Coast...

This hazardous weather outlook is for South Florida.

.DAY ONE...TODAY AND TONIGHT

Rip currents: An elevated risk for rip currents along the Gulf Coast
beaches.

Thunderstorms: Scattered thunderstorms are possible with the best
coverage over eastern areas this afternoon into early this evening.
Strong wind gusts, lightning, heavy rainfall, localized flooding, and
funnel clouds are possible.

Wind: The strongest thunderstorms could contain wind gusts in excess
of 45 mph.

Flooding: Localized flooding possible over coastal areas.

Waterspouts: Waterspouts will be possible with the showers and
thunderstorms over the local South Florida waters.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Scattered to numerous showers and thunderstorms will continue
through the rest of the forecast period, with locally gusty winds,
frequent lightning, and heavy rainfall and flooding possible.

.SPOTTER INFORMATION STATEMENT...

Widespread spotter activation is not anticipated, however individual
spotters are encouraged to report high wind, hail and flooding to
the National Weather Service forecast office in Miami.

For more information...visit the National Weather Service in
Miami website at www.weather.gov/miami.

Fell

In the hours before

Local storm report, Sep 2, 9:51 AM EDT, 3 minutes before

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Local storm report, Sep 2, 9:54 AM EDT, 0 minutes before

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Special weather statement, Sep 2, 9:54 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 8:25 PM EDT	Special Marine Warning	MFL		35 min
Sep 1, 8:52 PM EDT	Special Marine Warning	MFL		23 min
Sep 1, 9:13 PM EDT	Special Weather Statement	MFL	Collier	47 min
Sep 2, 9:47 AM EDT	Special Marine Warning	MFL		43 min
Sep 2, 12:24 PM EDT	Special Weather Statement	MFL	Collier, Hendry	36 min
Sep 2, 12:39 PM EDT	Severe Thunderstorm Warning	MFL	Collier	36 min
Sep 2, 1:01 PM EDT	Special Weather Statement	MFL	Broward	29 min
Sep 2, 1:32 PM EDT	Special Weather Statement	MFL	Broward, Palm Beach	28 min
Sep 2, 1:57 PM EDT	Special Weather Statement	MFL	Palm Beach	33 min
Sep 2, 2:07 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	3 hr
Sep 2, 2:21 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	2 hr
Sep 2, 2:23 PM EDT	Special Marine Warning	MFL		52 min
Sep 2, 2:27 PM EDT	Special Marine Warning	MFL		33 min
Sep 2, 2:29 PM EDT	Special Weather Statement	MFL	Miami-Dade	46 min
Sep 2, 2:44 PM EDT	Flash Flood Warning	MFL	Miami-Dade	5 hr
Sep 2, 2:44 PM EDT	Special Weather Statement	MFL	Collier	46 min
Sep 2, 2:49 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	95 min
Sep 2, 2:53 PM EDT	Special Marine Warning	MFL		67 min
Sep 2, 2:56 PM EDT	Special Weather Statement	MFL	Miami-Dade	64 min
Sep 2, 3:08 PM EDT	Special Marine Warning	MFL		52 min
Sep 2, 3:16 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	3 hr
Sep 2, 4:15 PM EDT	Special Marine Warning	MFL		45 min
Sep 2, 4:23 PM EDT	Special Weather Statement	MFL	Monroe	37 min
Sep 2, 4:43 PM EDT	Special Marine Warning	MFL		47 min
Sep 2, 5:01 PM EDT	Special Weather Statement	MFL	Miami-Dade	29 min
Sep 2, 5:43 PM EDT	Special Weather Statement	MFL	Miami-Dade	47 min
Sep 2, 6:02 PM EDT	Areal Flood Advisory	MFL	Miami-Dade	118 min

Nearby

Special Weather Statements in Florida, 2021 Every 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.