Alert archive / Florida / Frost Advisories in 2021
Frost Advisory 4, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this frost advisory at Feb 3, 2021, 2:01 PM EST for 10 counties in Florida. It took effect at Feb 4, 2021, 4:00 AM EST. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Feb 3, 2021, 2:01 PM EST (19:01 UTC)
- In effect from
- Feb 4, 2021, 4:00 AM EST
- Expired
- Feb 4, 2021, 8:00 AM EST
- In force
- 4 hr
- Issued by
- NWS Tampa Bay, FL
Counties Charlotte County, FL, DeSoto County, FL, Hardee County, FL, Highlands County, FL, Hillsborough County, FL, Lee County, FL, Manatee County, FL, Pasco County, FL, Polk County, FL, Sarasota County, FL
The radar
The Tampa radar (KTBW), 50 km from the middle of the area, began a volume at 19:04 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, 7.0 hours before the alert went out and 50 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1082 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
644 WWUS72 KTBW 031901 NPWTBW URGENT - WEATHER MESSAGE National Weather Service Tampa Bay Ruskin FL 201 PM EST Wed Feb 3 2021 FLZ043-139-142-148-239-242-248-249-040315- /O.CON.KTBW.FZ.W.0004.210204T0900Z-210204T1300Z/ Sumter-Coastal Levy-Coastal Citrus-Coastal Hernando-Inland Levy- Inland Citrus-Inland Hernando-Inland Pasco- Including the cities of Wildwood, Lake Panasoffkee, Bushnell, The Villages, Cedar Key, Yankeetown, Crystal River, Homosassa, Hernando Beach, Bayport, Chiefland, Bronson, Williston, Inverness, Brooksville, Spring Hill, Dade City, and Zephyrhills 201 PM EST Wed Feb 3 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM EST THURSDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Coastal Levy, Coastal Citrus, Coastal Hernando, Inland Hernando and Inland Pasco Counties. * WHEN...From 4 AM to 8 AM EST Thursday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... A freeze warning means widespread freezing temperatures are expected to occur. Take steps now to protect tender plants from the cold. Exposed outdoor water pipes may burst if not wrapped or covered. && $$ FLZ052-056-057-061-040315- /O.UPG.KTBW.FZ.A.0004.210204T0900Z-210204T1300Z/ /O.NEW.KTBW.FR.Y.0004.210204T0900Z-210204T1300Z/ Polk-Hardee-Highlands-DeSoto- Including the cities of Lakeland, Winter Haven, Wauchula, Bowling Green, Zolfo Springs, Sebring, Avon Park, Placid Lakes, and Arcadia 201 PM EST Wed Feb 3 2021 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM EST THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Polk, Hardee, Highlands and DeSoto Counties. * WHEN...From 4 AM to 8 AM EST Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ FLZ149-251-255-260-262-265-040315- /O.NEW.KTBW.FR.Y.0004.210204T0900Z-210204T1300Z/ Coastal Pasco-Inland Hillsborough-Inland Manatee-Inland Sarasota- Inland Charlotte-Inland Lee- Including the cities of Port Richey, Hudson, Brandon, Plant City, Sun City Center, Parrish, Lakewood Ranch, Myakka City, North Port, Babcock Ranch, Fort Myers, and Lehigh Acres 201 PM EST Wed Feb 3 2021 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM EST THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Coastal Pasco, Inland Hillsborough, Inland Manatee, Inland Sarasota, Inland Charlotte and Inland Lee Counties. * WHEN...From 4 AM to 8 AM EST Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit https://weather.gov/tampa
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 3:27 AM EST | Freeze Watch | TBW | DeSoto, Hardee, Highlands, Polk | 11 hr |
| Feb 3, 3:27 AM EST | Freeze Warning | TBW | Citrus, Hernando, Levy, Pasco, Sumter | 29 hr |
Nearby
Frost Advisories in Florida, 2021Every frost advisory 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.