Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Aug 23, 2021, 4:03 PM EDT for Collier County, Florida. It was in force for 42 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 23, 2021, 4:03 PM EDT (20:03 UTC)
- Expired
- Aug 23, 2021, 4:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Miami, FL
- Hail
- 0.00 in
- Wind
- 40
County Collier County, FL
The radar
The Miami radar (KAMX), 124 km from the middle of the area, began a volume at 20:03 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, 8.1 hours before the alert went out and 121 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
- 2599 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- -49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
185
WWUS82 KMFL 232003
SPSMFL
Special Weather Statement
National Weather Service Miami FL
403 PM EDT Mon Aug 23 2021
FLZ066-070-232045-
Hendry FL-Inland Collier County FL-
403 PM EDT Mon Aug 23 2021
...Strong thunderstorms will impact portions of northeastern Collier
and south central Hendry Counties through 445 PM EDT...
At 402 PM EDT, National Weather Service meteorologists were tracking
strong thunderstorms along a line extending from Immokalee to near
Hendry Correctional. Movement was northeast at 5 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...
Ave Maria, Immokalee, Hendry Correctional, Sunniland, Bunker Hill and
Lake Trafford.
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 these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 2647 8156 2647 8117 2622 8109 2614 8133
TIME...MOT...LOC 2002Z 220DEG 5KT 2640 8141 2635 8128
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
Hadi/BNBThe office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 3:02 PM EDT | Special Weather Statement | MFL | Collier | 28 min |
| Aug 23, 3:30 PM EDT | Special Weather Statement | MFL | Collier | 45 min |
| Aug 23, 3:43 PM EDT | Special Weather Statement | MFL | Hendry | 47 min |
| Aug 23, 3:51 PM EDT | Areal Flood Advisory | MFL | Collier | 114 min |
| Aug 23, 4:26 PM EDT | Special Weather Statement | MFL | Hendry | 49 min |
| Aug 23, 4:53 PM EDT | Special Weather Statement | MFL | Glades, Hendry | 52 min |
| Aug 23, 5:09 PM EDT | Special Weather Statement | MFL | Collier | 51 min |
| Aug 23, 5:21 PM EDT | Special Marine Warning | MFL | 54 min | |
| Aug 23, 5:29 PM EDT | Special Weather Statement | MFL | Glades | 46 min |
| Aug 23, 6:34 PM EDT | Special Weather Statement | MFL | Palm Beach | 41 min |
| Aug 23, 7:52 PM EDT | Special Marine Warning | MFL | 38 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.