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, 6:57 PM EDT for Glades County, Florida. It was in force for 33 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, 6:57 PM EDT (22:57 UTC)
- Expired
- Aug 6, 2021, 7:30 PM EDT
- In force
- 33 min
- Issued by
- NWS Miami, FL
- Hail
- 0.00 in
- Wind
- 40
County Glades County, FL
The radar
The Melbourne radar (KMLB), 109 km from the middle of the area, began a volume at 22:59 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 11.0 hours before the alert went out and 152 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
- 429 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1067 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
314
WWUS82 KMFL 062257
SPSMFL
Special Weather Statement
National Weather Service Miami FL
657 PM EDT Fri Aug 6 2021
FLZ063-062330-
Glades FL-
657 PM EDT Fri Aug 6 2021
...A strong thunderstorm will impact portions of northeastern Glades
County through 730 PM EDT...
At 657 PM EDT, National Weather Service meteorologists were tracking
a strong thunderstorm capable of producing a funnel cloud near
Brighton Seminole Reservation, or 8 miles west of Buckhead Ridge,
moving north at 20 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...
Buckhead Ridge, Brighton Seminole Reservation and Indian Prairie
Canal Mouth.
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 this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 2720 8094 2720 8093 2719 8091 2718 8091
2717 8090 2717 8088 2715 8087 2714 8087
2719 8083 2699 8089 2705 8113 2721 8111
2721 8094
TIME...MOT...LOC 2257Z 193DEG 18KT 2711 8101
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, 4:46 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, 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.