Alert archive / Florida / Wind Chill Warnings in 2010

Wind Chill Warning 2, NWS Tampa Bay, FL

December 13, 20104 counties in Florida

NWS Tampa Bay, FL issued this wind chill warning at Dec 13, 2010, 9:35 AM EST for 4 counties in Florida. It took effect at Dec 13, 2010, 7:00 PM EST. It was in force for 15 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
Dec 13, 2010, 9:35 AM EST (14:35 UTC)
In effect from
Dec 13, 2010, 7:00 PM EST
Expired
Dec 14, 2010, 10:00 AM EST
In force
15 hr
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 14:36 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 2.6 hours before the alert went out and 158 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-pSkew-T log-p diagram, Cape Canaveral, FL at 12:00Z on 2010-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2010-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
978 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 13, 3:53 AM ESTFire Weather WatchTBWDeSoto, Hardee, Highlands, Pinellas, Polk, Sumter24 hr
Dec 13, 3:53 AM ESTRed Flag WarningTBWDeSoto, Hardee, Highlands, Pinellas, Polk, Sumter39 hr
Dec 13, 4:18 AM ESTWind Chill WatchTBWDeSoto, Hardee, Highlands, Polk5 hr
Dec 13, 4:54 AM ESTFreeze WatchTBWPinellas23 hr
Dec 13, 4:54 AM ESTFreeze WarningTBWPinellas28 hr
Dec 13, 4:54 AM ESTHard Freeze WatchTBWDeSoto, Hardee, Highlands, Polk, Sumter23 hr
Dec 13, 4:54 AM ESTHard Freeze WarningTBWDeSoto, Hardee, Highlands, Polk, Sumter28 hr
Dec 13, 9:35 AM ESTWind Chill AdvisoryTBWPinellas, Sumter24 hr

Nearby

Wind Chill Warnings in Florida, 2010Every wind chill 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; radar from the NEXRAD Level II archive.