Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Aug 9, 2021, 4:35 PM EDT for Collier County, Florida. It was in force for 40 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 9, 2021, 4:35 PM EDT (20:35 UTC)
- Expired
- Aug 9, 2021, 5:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Miami, FL
- Hail
- 0.50 in
- Wind
- 55
County Collier County, FL
The radar
The Miami radar (KAMX), 98 km from the middle of the area, began a volume at 20:36 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, 8.6 hours before the alert went out and 104 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
- 2002 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 935 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
386
WWUS82 KMFL 092035
SPSMFL
Special Weather Statement
National Weather Service Miami FL
435 PM EDT Mon Aug 9 2021
FLZ066-069-070-075-092115-
Coastal Collier County FL-Hendry FL-Inland Collier County FL-
Mainland Monroe FL-
435 PM EDT Mon Aug 9 2021
...Strong thunderstorms will impact portions of southeastern Collier
and northern Mainland Monroe Counties through 515 PM EDT...
At 435 PM EDT, National Weather Service meteorologists were tracking
strong thunderstorms along a line extending from 6 miles northwest of
Big Cypress National Preserve to near Chokoloskee. Movement was
northwest at 15 mph.
HAZARD...Wind gusts of 50 to 55 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Chokoloskee, Everglades City, Plantation Island, Carnestown, Big
Cypress National Preserve, Copeland, Fakahatchee Strand State
Preserve, 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.
Funnel clouds occasionally touch down and produce tornadoes or
waterspouts. Move indoors and stay away from windows.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 2627 8123 2604 8094 2570 8126 2577 8143
2579 8144 2579 8146 2584 8158
TIME...MOT...LOC 2035Z 123DEG 12KT 2604 8115 2583 8129
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH
$$
WeinmanThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 8:21 PM EDT | Special Marine Warning | MFL | 54 min | |
| Aug 8, 9:03 PM EDT | Special Marine Warning | MFL | 57 min | |
| Aug 8, 9:18 PM EDT | Special Marine Warning | MFL | 27 min | |
| Aug 8, 9:29 PM EDT | Special Weather Statement | MFL | Hendry | 31 min |
| Aug 8, 9:40 PM EDT | Special Marine Warning | MFL | 35 min | |
| Aug 9, 2:53 PM EDT | Special Marine Warning | MFL | 67 min | |
| Aug 9, 3:15 PM EDT | Areal Flood Advisory | MFL | Collier | 2 hr |
| Aug 9, 3:24 PM EDT | Special Marine Warning | MFL | 66 min | |
| Aug 9, 3:33 PM EDT | Special Weather Statement | MFL | Hendry | 42 min |
| Aug 9, 3:41 PM EDT | Areal Flood Advisory | MFL | Collier | 109 min |
| Aug 9, 3:43 PM EDT | Special Weather Statement | MFL | Collier | 47 min |
| Aug 9, 4:37 PM EDT | Special Marine Warning | MFL | 53 min | |
| Aug 9, 5:01 PM EDT | Special Weather Statement | MFL | Collier | 44 min |
| Aug 9, 5:26 PM EDT | Special Marine Warning | MFL | 34 min | |
| Aug 9, 5:35 PM EDT | Special Weather Statement | MFL | Broward | 40 min |
| Aug 9, 6:42 PM EDT | Special Marine Warning | MFL | 63 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.