Alert archive / Florida / Freeze Warnings in 2018
Freeze Warning 5, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this freeze warning at Jan 13, 2018, 2:15 PM EST for Levy County, Florida. It took effect at Jan 14, 2018, 4:00 AM EST. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 13, 2018, 2:15 PM EST (19:15 UTC)
- In effect from
- Jan 14, 2018, 4:00 AM EST
- Expired
- Jan 14, 2018, 9:00 AM EST
- In force
- 5 hr
- Issued by
- NWS Tampa Bay, FL
County Levy County, FL
The radar
The Jacksonville radar (KJAX), 170 km from the middle of the area, began a volume at 19:14 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.3 hours before the alert went out and 192 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
- 651 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- -73 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tampa Bay, FL wrote its last area forecast discussion before this freeze warning went out at Jan 13, 2:08 PM EST, 7 minutes earlier.
Area forecast discussion, Jan 13, 2:08 PM EST, 7 minutes before
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</html>Hazardous weather outlook, Jan 13, 4:55 AM EST, 9 hours 20 minutes before
Hazardous Weather Outlook National Weather Service Tampa Bay Ruskin FL 455 AM EST Sat Jan 13 2018 FLZ043-050-052-056-057-061-139-142-148-149-151-155-160-162-165- 239-242-248-249-251-255-260-262-265-GMZ830-836-850-853-856-870- 873-876-132200- Sumter-Pinellas-Polk-Hardee-Highlands-DeSoto-Coastal Levy- Coastal Citrus-Coastal Hernando-Coastal Pasco- Coastal Hillsborough-Coastal Manatee-Coastal Sarasota- Coastal Charlotte-Coastal Lee-Inland Levy-Inland Citrus- Inland Hernando-Inland Pasco-Inland Hillsborough-Inland Manatee- Inland Sarasota-Inland Charlotte-Inland Lee-Tampa Bay waters- Charlotte Harbor and Pine Island Sound- Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM- Coastal waters from Englewood to Tarpon Springs FL out 20 NM- Coastal waters from Bonita Beach to Englewood FL out 20 NM- Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM- Waters from Englewood to Tarpon Springs FL out 20 to 60 NM- Waters from Bonita Beach to Englewood FL out 20 to 60 NM- 455 AM EST Sat Jan 13 2018 This Hazardous Weather Outlook is for West Central And Southwest Florida. .DAY ONE...Today and Tonight. ...EXCESSIVE COLD IMPACT... A freeze watch is in effect tonight for inland Levy county where low temperatures are expected to be around 30 degrees. Elsewhere, overnight temperatures will drop into the upper 30s to lower 40s. Make sure to dress in layers to protect yourself from the cold. ...RIP CURRENT IMPACT... High surf will produce rip currents along area beaches today. ...MARINE IMPACTS... A small craft advisory for hazardous seas is in effect for the outer waters until 10 PM this evening. A high surf advisory is in effect until 7 PM this evening along the coast. .DAYS TWO THROUGH SEVEN...Sunday through Friday. ...EXCESSIVE COLD IMPACT... A cold front is expected to push across the area mid week with much colder temperatures in the wake of the front. Temperatures will likely drop below freezing Wednesday night over the nature coast...and possibly across interior areas of west central Florida. ...MARINE IMPACTS... Wind speeds may approach advisory levels across the coastal waters of west central and southwest Florida in the wake of a cold front on Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today. Oglesby
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 3:44 AM EST | Freeze Watch | TBW | Levy | 11 hr |
| Jan 13, 3:49 AM EST | High Surf Advisory | TBW | Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota | 15 hr |
| Jan 13, 3:57 AM EST | Small Craft Advisory for Hazardous Seas | TBW | 18 hr |
Nearby
Freeze Warnings in Florida, 2018Every freeze warning in 2018
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.