Alert archive / Pennsylvania / Snow Advisories in 2005
Snow Advisory 3, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this snow advisory at Nov 24, 2005, 2:59 AM EST for Clarion County, Jefferson County, Pennsylvania. It took effect at Nov 24, 2005, 10:00 AM EST. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Nov 24, 2005, 2:59 AM EST (07:59 UTC)
- In effect from
- Nov 24, 2005, 10:00 AM EST
- Expired
- Nov 24, 2005, 11:11 PM EST
- In force
- 13 hr
- Issued by
- NWS Pittsburgh, PA
Counties Clarion County, PA, Jefferson County, PA
The radar
The State College radar (KCCX), 105 km from the middle of the area, began a volume at 07:59 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 00:00Z, 8.0 hours before the alert went out and 112 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 529 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 369 m²/s²
- 0-3 km storm-relative helicity
- 441 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 24, 2:21 AM EST, 38 minutes earlier.
Area forecast discussion, Nov 24, 2:21 AM EST, 38 minutes before
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</html>Hazardous weather outlook, Nov 23, 4:40 AM EST, 22 hours 19 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.
In the hours before
Special weather statement, Nov 23, 9:40 PM EST, 5 hours 19 minutes before
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</html>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 9:00 PM EST | Wind Advisory | PBZ | Clarion, Forest, Jefferson, Mercer, Venango | 26 hr |
| Nov 24, 2:59 AM EST | Lake Effect Snow Warning | PBZ | Forest, Mercer, Venango | 20 hr |
| Nov 24, 2:59 AM EST | Heavy Snow Warning | PBZ | 20 hr |
Nearby
Snow Advisories in Pennsylvania, 2005Every 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.