Alert archive / Florida / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 21, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Apr 20, 2020, 1:27 PM EDT for Hardee County, Manatee 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
- Apr 20, 2020, 1:27 PM EDT (17:27 UTC)
- Expired
- Apr 20, 2020, 2:00 PM EDT
- In force
- 33 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Hardee County, FL, Manatee County, FL
The radar
The Tampa radar (KTBW), 19 km from the middle of the area, began a volume at 17:29 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 20, 7:02 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 5.5 hours before the alert went out and 19 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
- 1093 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 989 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 351 m²/s²
- 0-3 km storm-relative helicity
- 431 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 22.1
The text
As transmitted.
395
WUUS52 KTBW 201727
SVRTBW
FLC049-081-201800-
/O.NEW.KTBW.SV.W.0021.200420T1727Z-200420T1800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tampa Bay Area Ruskin FL
127 PM EDT Mon Apr 20 2020
The National Weather Service in Ruskin has issued a
* Severe Thunderstorm Warning for...
Northwestern Hardee County in central Florida...
Northern Manatee County in west central Florida...
* Until 200 PM EDT.
* At 126 PM EDT, severe thunderstorms were located along a line
extending from 6 miles southeast of Greater Sun Center to near
Ellenton to near Anna Maria, moving east at 35 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bradenton, Palmetto, Ellenton, South Bradenton, Parrish, West
Bradenton, West Samoset, Memphis, Bradenton Beach, Lake Manatee
State Park, Cortez, Samoset, Duette, Oneco and Bayshore Gardens.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2753 8254 2765 8231 2764 8200 2759 8207
2745 8240 2743 8276 2745 8277
TIME...MOT...LOC 1726Z 264DEG 31KT 2762 8231 2754 8247 2747 8270
HAIL...0.88IN
WIND...60MPH
$$
TBWThe office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 7:33 AM EDT | Special Marine Warning | TBW | 117 min | |
| Apr 20, 7:33 AM EDT | Special Weather Statement | TBW | Levy | 42 min |
| Apr 20, 8:00 AM EDT | Severe Thunderstorm Warning | TBW | Levy | 45 min |
| Apr 20, 8:43 AM EDT | Severe Thunderstorm Warning | TBW | Levy | 32 min |
| Apr 20, 9:12 AM EDT | Severe Thunderstorm Warning | TBW | Levy | 18 min |
| Apr 20, 9:25 AM EDT | Special Marine Warning | TBW | 2 hr | |
| Apr 20, 9:29 AM EDT | Special Weather Statement | TBW | Citrus | 31 min |
| Apr 20, 9:37 AM EDT | Special Weather Statement | TBW | Citrus, Sumter | 38 min |
| Apr 20, 9:44 AM EDT | Severe Thunderstorm Warning | TBW | Citrus, Levy, Sumter | 16 min |
| Apr 20, 10:09 AM EDT | Severe Thunderstorm Warning | TBW | Citrus, Hernando, Sumter | 36 min |
| Apr 20, 10:33 AM EDT | Tornado Warning | TBW | Sumter | 27 min |
| Apr 20, 10:50 AM EDT | Special Weather Statement | TBW | Sumter | 40 min |
| Apr 20, 11:07 AM EDT | Special Weather Statement | TBW | Pasco | 38 min |
| Apr 20, 11:15 AM EDT | Severe Thunderstorm Warning | TBW | Hernando, Hillsborough, Pasco, Pinellas | 30 min |
| Apr 20, 11:27 AM EDT | Special Marine Warning | TBW | 2 hr | |
| Apr 20, 11:40 AM EDT | Special Weather Statement | TBW | Hillsborough, Pinellas | 50 min |
| Apr 20, 11:48 AM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Pasco, Pinellas, Polk, Sumter | 27 min |
| Apr 20, 12:09 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Pasco, Pinellas, Polk, Sumter | 36 min |
| Apr 20, 12:29 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Manatee, Pinellas | 31 min |
| Apr 20, 12:33 PM EDT | Special Weather Statement | TBW | Hillsborough | 42 min |
| Apr 20, 12:41 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Polk | 34 min |
| Apr 20, 12:56 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Manatee | 34 min |
| Apr 20, 1:05 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Polk | 25 min |
| Apr 20, 1:11 PM EDT | Severe Thunderstorm Warning | TBW | Polk | 34 min |
| Apr 20, 1:25 PM EDT | Severe Thunderstorm Warning | TBW | Hillsborough, Polk | 35 min |
| Apr 20, 1:26 PM EDT | Special Marine Warning | TBW | 2 hr | |
| Apr 20, 1:55 PM EDT | Severe Thunderstorm Warning | TBW | Polk | 35 min |
| Apr 20, 2:00 PM EDT | Special Weather Statement | TBW | Hardee, Manatee | 45 min |
| Apr 20, 2:42 PM EDT | Special Weather Statement | TBW | Highlands | 48 min |
| Apr 20, 3:29 PM EDT | Special Weather Statement | TBW | Highlands | 31 min |
| Apr 20, 3:33 PM EDT | Special Marine Warning | TBW | 57 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2020Every severe thunderstorm warning in 2020
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.