Alert archive / Pennsylvania / Winter Storm Warnings in 2019

Winter Storm Warning 5, NWS State College, PA

December 1, 2019Sullivan County, Tioga County, Pennsylvania

NWS State College, PA issued this winter storm warning at Dec 1, 2019, 3:33 PM EST for Sullivan County, Tioga County, Pennsylvania. It was in force for 27 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 1, 2019, 3:33 PM EST (20:33 UTC)
Expired: Dec 2, 2019, 6:43 PM EST
In force: 27 hr
Issued by: NWS State College, PA

Counties Sullivan County, PA, Tioga County, PA

The radar

The Binghamton radar (KBGM), 99 km from the middle of the area, began a volume at 20:37 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 12:00Z, 8.6 hours before the alert went out and 210 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: 1525 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 264 m²/s²
0-3 km storm-relative helicity: 294 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 winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this winter storm warning went out at Dec 1, 2:18 PM EST, 1 hour 15 minutes earlier.

Area forecast discussion, Dec 1, 2:18 PM EST, 1 hour 15 minutes before

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Hazardous weather outlook, Dec 1, 2:11 PM EST, 1 hour 22 minutes before

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In the hours before

Local storm report, Dec 1, 1:33 PM EST, 2 hours before

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Local storm report, Dec 1, 1:36 PM EST, 1 hour 57 minutes before

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Local storm report, Dec 1, 2:07 PM EST, 1 hour 26 minutes before

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Local storm report, Dec 1, 2:11 PM EST, 1 hour 22 minutes before

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Local storm report, Dec 1, 2:22 PM EST, 1 hour 11 minutes before

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Local storm report, Dec 1, 2:23 PM EST, 1 hour 10 minutes before

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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 30, 7:29 PM EST	Ice Storm Warning	CTP	Bedford, Blair, Cambria, Somerset	23 hr
Nov 30, 7:29 PM EST	Winter Weather Advisory	CTP	Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 10 more	63 hr

Nearby

Winter Storm Warnings in Pennsylvania, 2019 Every winter storm warning in 2019

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.