Alert archive / Pennsylvania / Winter Storm Watches in 2011
Winter Storm Watch 6, NWS State College, PA
NWS State College, PA issued this winter storm watch at Mar 22, 2011, 3:51 AM EDT for 9 counties in Pennsylvania. It took effect at Mar 23, 2011, 12:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 22, 2011, 3:51 AM EDT (07:51 UTC)
- In effect from
- Mar 23, 2011, 12:00 AM EDT
- Expired
- Mar 22, 2011, 3:49 PM EDT
- In force
- Issued by
- NWS State College, PA
Counties Cameron County, PA, Clinton County, PA, Columbia County, PA, Lycoming County, PA, McKean County, PA, Potter County, PA, Schuylkill County, PA, Sullivan County, PA, Tioga County, PA
The radar
The State College radar (KCCX), 78 km from the middle of the area, began a volume at 07:54 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, 7.9 hours before the alert went out and 259 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
- 122 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1144 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
What forecasters said that day
The local office's own words before this winter storm watch 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 watch went out at Mar 22, 2:18 AM EDT, 1 hour 33 minutes earlier.
Area forecast discussion, Mar 22, 2:18 AM EDT, 1 hour 33 minutes before
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</html>Hazardous weather outlook, Mar 21, 3:05 PM EDT, 12 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 305 PM EDT MON MAR 21 2011 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-221915- WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN- JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING- SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND- ADAMS-YORK-LANCASTER- 305 PM EDT MON MAR 21 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. A LATE WINTER STORM WILL MOVE ACROSS THE REGION LATE TUESDAY NIGHT AND WEDNESDAY. SNOW IS LIKELY NEAR THE NEW YORK BORDER AND A WINTRY MIX TO RAIN IN CENTRAL AREAS. LIGHT SNOW IS LIKELY BEHIND THIS STORM WEDNESDAY NIGHT INTO EARLY THURSDAY. A POTENTIAL WINTER STORM COULD BRING A LATE SEASON SNOWFALL TO THE REGION SATURDAY INTO SUNDAY. AT THIS TIME THE BEST CHANCE OF SNOW APPEARS TO BE ON SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 3:49 PM EDT | Winter Storm Warning | CTP | Columbia, Lycoming, Potter, Sullivan, Tioga | 22 hr |
| Mar 22, 3:49 PM EDT | Winter Weather Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 7 more | 22 hr |
Nearby
Winter Storm Watches in Pennsylvania, 2011Every winter storm watch in 2011
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.