Alert archive / Florida / Wind Chill Advisories in 2010

Wind Chill Advisory 13, NWS Tampa Bay, FL

December 5, 2010Polk County, Florida

NWS Tampa Bay, FL issued this wind chill advisory at Dec 5, 2010, 3:59 PM EST for Polk County, Florida. It took effect at Dec 6, 2010, 4:00 AM EST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Dec 5, 2010, 3:59 PM EST (20:59 UTC)
In effect from
Dec 6, 2010, 4:00 AM EST
Expired
Dec 6, 2010, 9:00 AM EST
In force
5 hr
Issued by
NWS Tampa Bay, FL

County Polk County, FL

The radar

The Tampa radar (KTBW), 74 km from the middle of the area, began a volume at 21:00 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, 9.0 hours before the alert went out and 131 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 2010-12-05Temperature 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 2010-12-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 224 square meters per square second.1939587897Sfc1 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
909 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
224 m²/s²
0-3 km storm-relative helicity
274 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 5, 5:21 AM ESTFire Weather WatchTBWDeSoto, Hardee, Highlands, Polk, Sumter32 hr
Dec 5, 5:21 AM ESTRed Flag WarningTBWDeSoto, Hardee, Highlands, Polk, Sumter37 hr
Dec 5, 3:59 PM ESTFreeze WatchTBWDeSoto, Hardee, Highlands, Polk, Sumter12 hr
Dec 5, 3:59 PM ESTFreeze WarningTBW16 hr

Nearby

Wind Chill Advisories in Florida, 2010Every wind chill advisory 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.