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 Apr 19, 2021, 4:18 AM EDT for Manatee County, Florida. It was in force for 27 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
- Apr 19, 2021, 4:18 AM EDT (08:18 UTC)
- Expired
- Apr 19, 2021, 4:45 AM EDT
- In force
- 27 min
- Issued by
- NWS Tampa Bay, FL
County Manatee County, FL
The radar
The Tampa radar (KTBW), 10 km from the middle of the area, began a volume at 08:21 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 00:00Z, 8.3 hours before the alert went out and 10 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
- 1430 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 988 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
The text
As transmitted.
540
WWUS82 KTBW 190818
SPSTBW
Special Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
418 AM EDT Mon Apr 19 2021
FLZ151-155-251-255-190845-
Inland Manatee FL-Coastal Manatee FL-Coastal Hillsborough FL-
Inland Hillsborough FL-
418 AM EDT Mon Apr 19 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL MANATEE AND
SOUTHEASTERN HILLSBOROUGH COUNTIES UNTIL 445 AM EDT...
At 418 AM EDT, Doppler radar was tracking a strong thunderstorm over
Parrish, or 9 miles northeast of Palmetto, moving northeast at 45
mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Fish Hawk, Parrish, Greater Sun Center, Ruskin, Ellenton, Boyette,
Little Manatee River State Park, Wimauma, Sun City Center and Fort
Lonesome.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 2747 8241 2757 8257 2783 8231 2782 8215
2768 8210
TIME...MOT...LOC 0818Z 223DEG 38KT 2758 8244
$$
TBWThe office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 9:23 PM EDT | Special Marine Warning | TBW | 37 min | |
| Apr 18, 9:26 PM EDT | Tornado Warning | TBW | Hillsborough, Pasco, Pinellas | 34 min |
| Apr 18, 9:55 PM EDT | Special Weather Statement | TBW | Pinellas | 35 min |
| Apr 18, 10:53 PM EDT | Special Weather Statement | TBW | Polk | 22 min |
| Apr 18, 11:16 PM EDT | Special Weather Statement | TBW | Polk | 44 min |
| Apr 19, 3:33 AM EDT | Special Marine Warning | TBW | 57 min | |
| Apr 19, 4:14 AM EDT | Special Weather Statement | TBW | Polk | 46 min |
| Apr 19, 4:26 AM EDT | Severe Thunderstorm Warning | TBW | Polk | 34 min |
| Apr 19, 4:57 AM EDT | Special Marine Warning | TBW | 63 min | |
| Apr 19, 5:01 AM EDT | Special Weather Statement | TBW | Polk | 44 min |
| Apr 19, 5:42 AM EDT | Special Weather Statement | TBW | Hardee | 48 min |
| Apr 19, 5:48 AM EDT | Severe Thunderstorm Warning | TBW | Polk | 42 min |
| Apr 19, 5:58 AM EDT | Areal Flood Advisory | TBW | Polk | 2 hr |
| Apr 19, 6:06 AM EDT | Special Marine Warning | TBW | 39 min | |
| Apr 19, 6:36 AM EDT | Special Weather Statement | TBW | Hardee | 39 min |
| Apr 19, 6:44 AM EDT | Tornado Warning | TBW | Hardee | 36 min |
| Apr 19, 7:19 AM EDT | Special Weather Statement | TBW | Highlands | 41 min |
| Apr 19, 7:57 AM EDT | Areal Flood Advisory | TBW | Hardee, Highlands | 2 hr |
| Apr 19, 8:00 AM EDT | Special Weather Statement | TBW | Highlands | 60 min |
| Apr 19, 10:36 AM EDT | Special Weather Statement | TBW | Charlotte | 39 min |
| Apr 19, 2:22 PM EDT | Rip Current Statement | TBW | Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota | 30 hr |
| Apr 19, 3:00 PM EDT | Special Weather Statement | TBW | Highlands | 30 min |
| Apr 19, 3:33 PM EDT | Severe Thunderstorm Warning | TBW | Highlands | 27 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.