Alert archive / Pennsylvania / Wind Chill Advisories in 2014

Wind Chill Advisory 10, NWS State College, PA

February 27, 201413 counties in Pennsylvania

NWS State College, PA issued this wind chill advisory at Feb 27, 2014, 4:08 AM EST for 13 counties in Pennsylvania. It took effect at Feb 27, 2014, 3:00 PM EST. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Feb 27, 2014, 4:08 AM EST (09:08 UTC)
In effect from
Feb 27, 2014, 3:00 PM EST
Expired
Feb 28, 2014, 9:59 AM EST
In force
19 hr
Issued by
NWS State College, PA

Counties Cambria County, PA, Cameron County, PA, Centre County, PA, Clearfield County, PA, Clinton County, PA, Elk County, PA, Lycoming County, PA, McKean County, PA, Potter County, PA, Somerset County, PA, Sullivan County, PA, Tioga County, PA, Warren County, PA

The radar

The State College radar (KCCX), 38 km from the middle of the area, began a volume at 09:11 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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 9.1 hours before the alert went out and 192 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, Buffalo Intl Airport, NY at 00:00Z on 2014-02-27Temperature 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, Buffalo Intl Airport, NY at 00:00Z on 2014-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
801 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 27, 8:55 AM ESTSpecial Weather StatementCTPWarren95 min
Feb 27, 10:31 AM ESTSpecial Weather StatementCTPCameron, Elk, McKean, Potter89 min
Feb 27, 11:23 AM ESTSpecial Weather StatementCTPCameron, Centre, Clearfield, Clinton, Lycoming, Potter and 1 more97 min
Feb 27, 1:04 PM ESTSpecial Weather StatementCTPBlair, Cambria, Centre, Clearfield, Clinton, Huntingdon and 4 more86 min
Feb 27, 1:38 PM ESTSpecial Weather StatementCTPColumbia, Huntingdon, Juniata, Mifflin, Montour, Northumberland and 3 more82 min

Nearby

Wind Chill Advisories in Pennsylvania, 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.