Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Aug 22, 2021, 2:21 PM EDT for Collier County, Florida. It was in force for 39 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 22, 2021, 2:21 PM EDT (18:21 UTC)
- Expired
- Aug 22, 2021, 3:00 PM EDT
- In force
- 39 min
- Issued by
- NWS Miami, FL
- Hail
- 0.00 in
- Wind
- 50
County Collier County, FL
The radar
The Miami radar (KAMX), 120 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 122 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.
- Mixed-layer CAPE
- 1716 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 963 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
166
WWUS82 KMFL 221821
SPSMFL
Special Weather Statement
National Weather Service Miami FL
221 PM EDT Sun Aug 22 2021
FLZ069-070-221900-
Coastal Collier County FL-Inland Collier County FL-
221 PM EDT Sun Aug 22 2021
...Strong thunderstorms will impact portions of central Collier
County through 300 PM EDT...
At 221 PM EDT, National Weather Service meteorologists were tracking
strong thunderstorms capable of producing a funnel cloud along a line
extending from 7 miles northeast of Royal Palm Hammock to 8 miles
north of Copeland. Movement was northwest at 15 mph.
HAZARD...Funnel clouds and wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Funnel clouds occasionally touch down and produce tornadoes
or waterspouts. Gusty winds could knock down tree limbs and
blow around unsecured objects.
Locations impacted include...
Golden Gate Estates, Golden Gate, Copeland, West Toll Gate On
Alligator Alley, Royal Palm Hammock, Big Cypress National Preserve,
South Blocks Golde, Fakahatchee Strand State Preserve, Picayune
Strand State Forest, Port Of The Island, Intersection I-75 And
Everglades Blvd, Miles City, Jerome and Deep Lake.
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.
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.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Persons participating in outdoor activities should seek sturdy
shelter until these storms pass. Open shelters found in parks,
beaches, or golf courses offer no protection from the dangers of
lightning.
&&
LAT...LON 2619 8171 2627 8128 2602 8113 2588 8153
TIME...MOT...LOC 1821Z 140DEG 13KT 2603 8148 2608 8136
FUNNEL CLOUD...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
$$
Hadi/BNBThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 1:48 PM EDT | Special Weather Statement | MFL | Collier | 42 min |
| Aug 22, 1:50 PM EDT | Special Marine Warning | MFL | 40 min | |
| Aug 22, 2:53 PM EDT | Special Weather Statement | MFL | Collier | 52 min |
| Aug 22, 3:24 PM EDT | Special Weather Statement | MFL | Hendry | 51 min |
| Aug 22, 3:36 PM EDT | Special Weather Statement | MFL | Palm Beach | 39 min |
| Aug 22, 4:03 PM EDT | Special Weather Statement | MFL | Palm Beach | 42 min |
| Aug 22, 4:45 PM EDT | Special Weather Statement | MFL | Broward | 45 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.