Alert archive / Florida / Frost Advisories in 2014

Frost Advisory 1, NWS Tampa Bay, FL

January 22, 20145 counties in Florida

NWS Tampa Bay, FL issued this frost advisory at Jan 22, 2014, 3:05 PM EST for 5 counties in Florida. It took effect at Jan 22, 2014, 11:00 PM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Jan 22, 2014, 3:05 PM EST (20:05 UTC)
In effect from: Jan 22, 2014, 11:00 PM EST
Expired: Jan 23, 2014, 9:00 AM EST
In force: 10 hr
Issued by: NWS Tampa Bay, FL

Counties Charlotte County, FL, Hillsborough County, FL, Lee County, FL, Manatee County, FL, Sarasota County, FL

The radar

The Tampa radar (KTBW), 59 km from the middle of the area, began a volume at 20:10 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

Miami, FL (KMFL), launched 12:00Z, 8.1 hours before the alert went out and 244 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1061 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -89 m²/s²
0-3 km storm-relative helicity: -61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this frost advisory 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 frost advisory went out at Jan 22, 10:04 AM EST, 5 hours 1 minute earlier.

Area forecast discussion, Jan 22, 10:04 AM EST, 5 hours 1 minute before

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Hazardous weather outlook, Jan 22, 5:42 AM EST, 9 hours 23 minutes before

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The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 22, 3:05 PM EST	Freeze Watch	TBW	Citrus, Hernando, Levy, Sumter	24 hr
Jan 22, 3:05 PM EST	Freeze Warning	TBW	Charlotte, DeSoto, Hardee, Highlands, Hillsborough, Manatee and 4 more	18 hr
Jan 22, 3:05 PM EST	Hard Freeze Warning	TBW	Citrus, Hernando, Levy	18 hr

Nearby

Frost Advisories in Florida, 2014 Every frost advisory in 2014

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.