Alert archive / Florida / Freeze Watches in 2021
Freeze Watch 4, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this freeze watch at Feb 3, 2021, 3:27 AM EST for 4 counties in Florida. It took effect at Feb 4, 2021, 4:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 3, 2021, 3:27 AM EST (08:27 UTC)
- In effect from
- Feb 4, 2021, 4:00 AM EST
- Expired
- Feb 3, 2021, 2:01 PM EST
- In force
- Issued by
- NWS Tampa Bay, FL
Counties DeSoto County, FL, Hardee County, FL, Highlands County, FL, Polk County, FL
The radar
The Tampa radar (KTBW), 76 km from the middle of the area, began a volume at 08:29 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 nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 8.5 hours before the alert went out and 76 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
- 950 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Warning | TBW | Citrus, Hernando, Levy, Pasco, Sumter | 29 hr |
| Feb 3, 2:01 PM EST | Frost Advisory | TBW | Charlotte, DeSoto, Hardee, Highlands, Hillsborough, Lee and 4 more | 18 hr |
Nearby
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.