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, 4:10 PM EDT for Collier County, Florida. It was in force for 35 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, 4:10 PM EDT (20:10 UTC)
- Expired
- Aug 6, 2021, 4:45 PM EDT
- In force
- 35 min
- Issued by
- NWS Miami, FL
- Hail
- 0.00 in
- Wind
- 40
County Collier County, FL
The radar
The Miami radar (KAMX), 73 km from the middle of the area, began a volume at 20:10 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, 8.2 hours before the alert went out and 78 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.
181
WWUS82 KMFL 062010
SPSMFL
Special Weather Statement
National Weather Service Miami FL
410 PM EDT Fri Aug 6 2021
FLZ069-070-075-062045-
Coastal Collier County FL-Inland Collier County FL-
Mainland Monroe FL-
410 PM EDT Fri Aug 6 2021
...A strong thunderstorm will impact portions of southeastern Collier
and north central Mainland Monroe Counties through 445 PM EDT...
At 410 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm near Big Cypress National Preserve, or 18 miles
east of Chokoloskee, moving northwest at 15 mph.
HAZARD...Winds in excess of 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Big Cypress National Preserve.
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.
&&
LAT...LON 2584 8090 2572 8112 2598 8136 2616 8105
TIME...MOT...LOC 2010Z 148DEG 11KT 2590 8107
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, 4:12 PM EDT | Special Weather Statement | MFL | Collier | 33 min |
| Aug 6, 4:46 PM EDT | Special Weather Statement | MFL | Collier | 44 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.