Alert archive / Florida / Freeze Warnings in 2010

Freeze Warning 4, NWS Melbourne, FL

January 5, 20104 counties in Florida

NWS Melbourne, FL issued this freeze warning at Jan 5, 2010, 9:29 AM EST for 4 counties in Florida. It took effect at Jan 5, 2010, 11:00 PM EST. It was in force for 10 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 5, 2010, 9:29 AM EST (14:29 UTC)
In effect from: Jan 5, 2010, 11:00 PM EST
Expired: Jan 6, 2010, 9:00 AM EST
In force: 10 hr
Issued by: NWS Melbourne, FL

Counties Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 2.5 hours before the alert went out and 72 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: 1345 m above ground
0-6 km bulk shear: 92 kt
0-1 km storm-relative helicity: -85 m²/s²
0-3 km storm-relative helicity: -16 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 freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Melbourne, FL wrote its last area forecast discussion before this freeze warning went out at Jan 5, 3:32 AM EST, 5 hours 57 minutes earlier.

Area forecast discussion, Jan 5, 3:32 AM EST, 5 hours 57 minutes before

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Hazardous weather outlook, Jan 5, 5:06 AM EST, 4 hours 23 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 5, 4:10 AM EST	Hard Freeze Watch	MLB	Lake, Volusia	5 hr
Jan 5, 9:29 AM EST	Hard Freeze Warning	MLB	Lake, Volusia	24 hr
Jan 5, 2:05 PM EST	Fire Weather Watch	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	24 hr
Jan 5, 2:05 PM EST	Red Flag Warning	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	28 hr
Jan 5, 3:00 PM EST	Freeze Watch	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	18 hr
Jan 5, 3:00 PM EST	Wind Chill Warning	MLB	Lake, Orange, Seminole, Volusia	18 hr
Jan 5, 3:00 PM EST	Wind Chill Advisory	MLB	Okeechobee, Osceola	18 hr

Nearby

Freeze Warnings in Florida, 2010 Every freeze warning in 2010

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.