Alert archive / Ohio / Snow Advisories in 2005

Snow Advisory 2, NWS Pittsburgh, PA

November 23, 20059 counties in Pennsylvania; 11 counties in Ohio; 6 counties in West Virginia

NWS Pittsburgh, PA issued this snow advisory at Nov 23, 2005, 11:45 AM EST for 9 counties in Pennsylvania; 11 counties in Ohio; 6 counties in West Virginia. It took effect at Nov 23, 2005, 12:00 PM EST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Nov 23, 2005, 11:45 AM EST (16:45 UTC)
In effect from: Nov 23, 2005, 12:00 PM EST
Expired: Nov 24, 2005, 12:53 AM EST
In force: 13 hr
Issued by: NWS Pittsburgh, PA

All 26 counties

Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Monroe County, OH, Muskingum County, OH, Noble County, OH, Tuscarawas County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Greene County, PA, Jefferson County, PA, Lawrence County, PA, Washington County, PA, Brooke County, WV, Hancock County, WV, Marion County, WV, Marshall County, WV, Ohio County, WV, Wetzel County, WV

The radar

The Pittsburgh radar (KPBZ), 42 km from the middle of the area, began a volume at 16:49 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

Pittsburgh, PA (KPIT), launched 12:00Z, 4.8 hours before the alert went out and 46 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: 877 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 181 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 snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pittsburgh, PA wrote its last area forecast discussion before this snow advisory went out at Nov 23, 2:00 AM EST, 9 hours 45 minutes earlier.

Area forecast discussion, Nov 23, 2:00 AM EST, 9 hours 45 minutes before

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Hazardous weather outlook, Nov 23, 4:40 AM EST, 7 hours 5 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
440 AM EST WED NOV 23 2005

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-
020>023-029>032-WVZ001>004-012-021>023-041-240945-
GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-
JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-
VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-
ALLEGHENY-ARMSTRONG-INDIANA-WASHINGTON-WESTMORELAND-GREENE-
FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-
PRESTON-TUCKER-
440 AM EST WED NOV 23 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN
MARYLAND...EAST CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST
PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA
AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

A STORM SYSTEM WILL BRING SNOW BACK TO THE AREA TONIGHT.
ACCUMULATIONS ARE POSSIBLE WITH THE HIGHEST AMOUNTS ACROSS
NORTHWEST PENNSYLVANIA AND ALSO OVER THE RIDGES OF SOUTHWESTERN
PENNSYLVANIA...NORTHERN WEST VIRGINIA AND WESTERN MARYLAND. ALONG
WITH THE SNOW...COLDER TEMPERATURES AND GUSTY WINDS WILL
ACCOMPANY THIS STORM.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SNOW SHOWERS...COLD TEMPERATURES AND GUSTY WINDS WILL CONTINUE
INTO THURSDAY. ADDITIONAL ACCUMULATIONS ARE POSSIBLE...ESPECIALLY
OVER THE RIDGES AND SNOW BELT AREAS. THESE WINTRY CONDITIONS WILL
PREVAIL INTO FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 23, 3:32 AM EST	Winter Storm Watch	PBZ	Armstrong, Butler, Clarion, Forest, Jefferson, Lawrence and 2 more	12 hr
Nov 23, 3:16 PM EST	Heavy Snow Warning	PBZ	Forest, Mercer, Venango	10 hr
Nov 22, 11:20 PM EST	Heavy Snow Warning	PBZ		4 hr

Nearby

Snow Advisories in Ohio, 2005 Snow Advisories in Pennsylvania, 2005 Snow Advisories in West Virginia, 2005 Every snow advisory in 2005

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.