Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Aug 6, 2021, 4:46 PM EDT for Collier County, Florida. It was in force for 44 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 6, 2021, 4:46 PM EDT (20:46 UTC)
- Expired
- Aug 6, 2021, 5:30 PM EDT
- In force
- 44 min
- Issued by
- NWS Miami, FL
- Hail
- 0.00 in
- Wind
- 40
County Collier County, FL
The radar
The Miami radar (KAMX), 140 km from the middle of the area, began a volume at 20:45 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, 8.8 hours before the alert went out and 138 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
- 2189 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 763 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
365
WWUS82 KMFL 062046
SPSMFL
Special Weather Statement
National Weather Service Miami FL
446 PM EDT Fri Aug 6 2021
FLZ066-070-062130-
Hendry FL-Inland Collier County FL-
446 PM EDT Fri Aug 6 2021
...A strong thunderstorm will impact portions of northwestern Collier
and central Hendry Counties through 530 PM EDT...
At 446 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm capable of producing a funnel cloud over Ave
Maria, moving northwest at 10 mph.
HAZARD...Funnel clouds and winds in excess of 40 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...
Ave Maria, Golden Gate Estates, Immokalee, Felda, Orangetree, Hendry
Correctional, Big Corkscrew Island, Corkscrew Swamp Sanctuary,
Sunniland, Picayune Strand State Forest, Bunker Hill, Intersection
I-75 And Everglades Blvd, Miles City, Lake Trafford and Keri.
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.
&&
LAT...LON 2632 8166 2642 8166 2642 8156 2657 8157
2659 8155 2661 8121 2630 8112 2601 8147
2632 8173
TIME...MOT...LOC 2046Z 147DEG 10KT 2633 8140
FUNNEL CLOUD...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
CWCThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 4:10 PM EDT | Special Weather Statement | MFL | Collier | 35 min |
| Aug 6, 4:12 PM EDT | Special Weather Statement | MFL | Collier | 33 min |
| Aug 6, 4:50 PM EDT | Areal Flood Advisory | MFL | Collier | 115 min |
| Aug 6, 5:26 PM EDT | Special Weather Statement | MFL | Hendry | 34 min |
| Aug 6, 5:47 PM EDT | Special Weather Statement | MFL | Collier | 28 min |
| Aug 6, 5:50 PM EDT | Areal Flood Advisory | MFL | Collier | 78 min |
| Aug 6, 6:10 PM EDT | Special Marine Warning | MFL | 65 min | |
| Aug 6, 6:23 PM EDT | Special Weather Statement | MFL | Glades | 52 min |
| Aug 6, 6:57 PM EDT | Special Weather Statement | MFL | Glades | 33 min |
| Aug 6, 7:07 PM EDT | Special Weather Statement | MFL | Palm Beach | 23 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.