Alert archive / Florida / Special Weather Statements in 2021
Special Weather Statement, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this special weather statement at Aug 9, 2021, 4:21 PM EDT for Sumter County, Florida. It was in force for 24 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, 4:21 PM EDT (20:21 UTC)
- Expired
- Aug 9, 2021, 4:45 PM EDT
- In force
- 24 min
- Issued by
- NWS Tampa Bay, FL
- Hail
- 0.50 in
- Wind
- 40
County Sumter County, FL
The radar
The Tampa radar (KTBW), 93 km from the middle of the area, began a volume at 20:25 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
Tampa Bay, FL (KTBW), launched 12:00Z, 8.4 hours before the alert went out and 93 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
- 1728 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 929 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
247
WWUS82 KTBW 092021
SPSTBW
Special Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
421 PM EDT Mon Aug 9 2021
FLZ043-248-092045-
Inland Hernando FL-Sumter FL-
421 PM EDT Mon Aug 9 2021
...A strong thunderstorm will impact portions of east central Sumter
and southeastern Hernando Counties through 445 PM EDT...
At 421 PM EDT, Doppler radar was tracking a strong thunderstorm 10
miles south of Bushnell, moving west at 15 mph.
HAZARD...Winds in excess of 40 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...
Ridge Manor, Tarrytown and Croom.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 2856 8226 2860 8224 2857 8202 2847 8201
2847 8206 2848 8206 2848 8225 2847 8225
2847 8226
TIME...MOT...LOC 2021Z 092DEG 13KT 2852 8208
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH
$$
TBWThe office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 4:40 PM EDT | Special Weather Statement | TBW | Hardee | 20 min |
| Aug 9, 5:27 PM EDT | Special Weather Statement | TBW | Hillsborough | 33 min |
| Aug 9, 5:50 PM EDT | Special Marine Warning | TBW | 55 min | |
| Aug 9, 6:29 PM EDT | Special Weather Statement | TBW | Manatee, Sarasota | 46 min |
| Aug 9, 6:55 PM EDT | Areal Flood Advisory | TBW | Manatee, Sarasota | 82 min |
| Aug 9, 7:22 PM EDT | Special Weather Statement | TBW | Alachua | 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.