Alert archive / Florida / Wind Chill Advisories in 2014

Wind Chill Advisory 1, NWS Tampa Bay, FL

January 2, 20147 counties in Florida

NWS Tampa Bay, FL issued this wind chill advisory at Jan 2, 2014, 3:11 PM EST for 7 counties in Florida. It took effect at Jan 3, 2014, 3:00 AM EST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jan 2, 2014, 3:11 PM EST (20:11 UTC)
In effect from
Jan 3, 2014, 3:00 AM EST
Expired
Jan 3, 2014, 10:00 AM EST
In force
7 hr
Issued by
NWS Tampa Bay, FL

Counties Citrus County, FL, Hernando County, FL, Hillsborough County, FL, Levy County, FL, Pasco County, FL, Polk County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 89 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 8.2 hours before the alert went out and 179 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 2014-01-02Temperature 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 2014-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.19395878Sfc1 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
1187 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
117 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
Jan 2, 1:07 AM ESTDense Fog AdvisoryTBWCharlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more8 hr
Jan 2, 4:38 AM ESTGale WatchTBW11 hr
Jan 2, 4:38 AM ESTSmall Craft AdvisoryTBW47 hr
Jan 2, 4:46 AM ESTFreeze WatchTBWLevy24 hr
Jan 2, 3:00 PM ESTLake Wind AdvisoryTBWCharlotte, Citrus, Hernando, Hillsborough, Lee, Levy and 4 more18 hr
Jan 2, 3:39 PM ESTRip Current StatementTBWCharlotte, Hillsborough, Lee, Manatee, Pasco, Pinellas and 1 more24 hr
Jan 2, 3:39 PM ESTHigh Surf AdvisoryTBWCharlotte, Hillsborough, Lee, Manatee, Pasco, Pinellas and 1 more24 hr

Nearby

Wind Chill Advisories in Florida, 2014Every wind chill 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.