Alert archive / Pennsylvania / Lake Effect Snow Advisories in 2016
Lake Effect Snow Advisory 3, NWS State College, PA
NWS State College, PA issued this lake effect snow advisory at Feb 9, 2016, 10:28 PM EST for McKean County, Pennsylvania. It took effect at Feb 10, 2016, 1:00 AM EST. It was in force for 45 hr.
The area
The counties it named.
The facts
- Issued
- Feb 9, 2016, 10:28 PM EST (03:28 UTC)
- In effect from
- Feb 10, 2016, 1:00 AM EST
- Expired
- Feb 11, 2016, 10:00 PM EST
- In force
- 45 hr
- Issued by
- NWS State College, PA
County McKean County, PA
The radar
The State College radar (KCCX), 109 km from the middle of the area, began a volume at 03:26 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, 3.5 hours before the alert went out and 125 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
- 631 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this lake effect snow advisory 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 lake effect snow advisory went out at Feb 9, 9:09 PM EST, 1 hour 19 minutes earlier.
Area forecast discussion, Feb 9, 9:09 PM EST, 1 hour 19 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 909 PM EST TUE FEB 9 2016 .SYNOPSIS... A DEEP UPPER TROUGH WILL ESTABLISH ITSELF OVER THE NORTHEASTERN US OVER THE NEXT SEVERAL DAYS BRINGING THE COLDEST AIR OF THE SEASON ALONG WITH A PROLONGED PERIOD OF SNOW SHOWERS TO WESTERN AND NORTHERN HIGHER ELEVATIONS...ESPECIALLY IN THE SNOWBELT LOCATIONS DOWNWIND OF LAKE ERIE. && .NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/... SNOW HAS CONTINUED TO SHRINK IN COVERAGE SO THE BULK OF THE HEADLINES FROM THE LAURELS EASTWARD HAVE BEEN DROPPED. HEADLINES HAVE BEEN CONTINUED FOR THE LAURELS WHERE AN EXTENDED PERIOD OF UPSLOPE SNOW CAN BE EXPECTED AS COLDER AIR FILTERS INTO THE REGION. THE MAIN CHANGE FOR THE NEAR TERM WAS TO UPGRADE THE WATCH FOR WARREN COUNTY TO A LAKE EFFECT SNOW WARNING...AND TO ERECT A LAKE EFFECT SNOW ADVISORY FOR THE NEIGHBORING MCKEAN WITH INDICATIONS POINTING TO A LONG PERIOD OF FAVORABLE OVER-LAKE FLOW. A LAKE MICHIGAN CONNECTION IS MADE TO DEVELOP UNDER HIGHLY-FAVORABLE TEMPERATURE/LAKE INDUCED INSTABILITY CONDITIONS WHICH SHOULD FAVOR THE USUAL SNOW BELT AREAS WITH LOCALLY HEAVY SNOW SHOWERS AND HEAVIER SNOW SQUALLS. FARTHER DOWNSTREAM THE AIR WILL DRY OUT AS IT TYPICALLY DOES IN THE DOWNSLOPE FLOW...SO MOST OTHER LOCATIONS WILL SEE LITTLE MORE THAN FLURRIES. LOW TEMPS WILL FALL INTO THE LOW TO MID 20S TONIGHT. && .SHORT TERM /6 AM WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT/... ON WED...THE LAKE EFFECT IN THE NW SHOULD CONTINUE...ESPECIALLY FAVORING NWRN WARREN COUNTRY AS THE WSW FLOW FAVORS MOST OF THE BANDED SNOWS SLIDING INTO NY STATE. TEMPS WILL DROP OFF QUITE QUICKLY LATE WED AS REGION RECEIVES A GLANCING BLOW OF -20C 850MB AIR. MINS MAY GET INTO THE SINGLE DIGITS ON THE HILL TOPS OF THE ALLEGHENIES AND LAURELS AS WIND CHILLS GO BELOW ZERO IN A STIFF BREEZE. && .LONG TERM /THURSDAY THROUGH TUESDAY/... *IMPACT WEATHER HIGHLIGHTS: SNOW SQUALLS POSSIBLE WITH ARCTIC FRONT FRIDAY NIGHT-EARLY SATURDAY; FRIGID TEMPERATURES/DANGEROUS WIND CHILLS FOR VALENTINES WEEKEND. POLAR VORTEX DIVES FROM HUDSON BAY SOUTHEAST ACROSS QUEBEC AND NORTHERN NEW ENGLAND THURSDAY-SUNDAY. THE GLOBAL MODELS AND ENSEMBLE MEANS KEEP A 'MILDER' TROUGH PATTERN IN PLACE OVER THE NORTHEAST CONUS INTO NEXT WEEK. THE FIRST SHOT OF COLD AIR ARRIVES ON THURSDAY WITH LAKE EFFECT AND UPSLOPE SNOW SHOWERS TAPERING OFF THURSDAY NIGHT. LIGHT TO MODERATE SNOW ACCUMULATIONS ARE LIKELY IN THE FAVORED NORTHWEST SNOWBELT AND HIGHER TERRAIN ALONG THE ALLEGHENIES/LAUREL HIGHLANDS. THE COLDEST AIRMASS OF THE 2015-16 WINTER SEASON REMAINS POISED TO ARRIVE THIS WEEKEND...AS A BLAST OF ARCTIC AIR DELIVERS A SHORT DURATION COLD OUTBREAK TO CENTRAL PENNSYLVANIA. SNOW SQUALLS ARE POSSIBLE WITH THE ARCTIC FRONTAL PASSAGE FRIDAY NIGHT INTO EARLY SATURDAY. MAX/MIN TEMPERATURE DEPARTURES OF -20 TO -25 DEGREES BELOW CLIMO ARE FCST SATURDAY AND SUNDAY. MINIMUM TEMPERATURES SATURDAY NIGHT INTO EARLY SUNDAY MORNING RANGE FROM AROUND 0F IN THE LOWER SUSQ. VALLEY TO -10F IN THE NORTHWEST ALLEGHENIES. THE FRIGID TEMPERATURES COMBINED WITH DANGEROUS WIND CHILLS /-10 TO -25 BELOW ZERO/ WILL RESULT IN AN INCREASED RISK FOR FROSTBITE AND HYPOTHERMIA. A SLOW MODERATION (WARMING TREND) IS EXPECTED INTO EARLY NEXT WEEK...BUT WITH A POTENTIAL OVERRUNNING/WAA TYPE SNOW EVENT. && .AVIATION /02Z WEDNESDAY THROUGH SUNDAY/... IFR/LIFR CONDITIONS WILL REMAIN WIDESPREAD...ESPECIALLY ALONG AND SOUTHEAST OF I 80. THE DRIER FLOW IS MOVING IN FROM THE NORTHEAST...WHICH WILL SIGNAL AN END TO MOST OF THE SNOW SHOWERS...OUTSIDE OF THE LAKE AND TOPOGRAPHIC EFFECTED REGIONS. SNOW WILL CONTINUE TO TAPER TO FLURRIES AS THE EVENING CONTINUES...CIGS WILL REMAIN LOW THROUGH THE EVENING...BUT AS WESTERLY FLOW INCREASES A BIT OVERNIGHT CIGS WILL IMPROVE AS WELL IN CENTRAL AND EASTERN AREAS. LOWER SUSQ WILL IMPROVE TO VFR WITH CENTRAL MTNS HOLDING ON TO AN MVFR DECK. WESTERN HIGHER TERRAIN WILL CONTINUE TO SEE SOME SNOWFLAKES IN THE AIR WITH UPSLOPE FLOW KEEPING MAINLY IFR CIGS IN PLACE. EXPECT CIGS TO IMPROVE TOWARD MORNING. OUTLOOK... WED...MAINLY IFR IN SNOW WRN AIRSPACE. MVFR-VFR CIGS CENTRAL/EAST. THU-SAT...MVFR IN -SHSN W MTNS. VFR ELSEWHERE. SUN...NO SIG WX. && .CTP WATCHES/WARNINGS/ADVISORIES... LAKE EFFECT SNOW ADVISORY FROM 1 AM WEDNESDAY TO 1 PM EST THURSDAY FOR PAZ005. LAKE EFFECT SNOW WARNING FROM 1 AM WEDNESDAY TO 1 PM EST THURSDAY FOR PAZ004. WINTER WEATHER ADVISORY UNTIL 7 PM EST WEDNESDAY FOR PAZ024- 033. && SYNOPSIS...LA CORTE NEAR TERM...LA CORTE SHORT TERM...RXR LONG TERM...STEINBUGL AVIATION...CERU/RXR
Hazardous weather outlook, Feb 9, 9:01 PM EST, 1 hour 27 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 901 PM EST TUE FEB 9 2016 PAZ024-033-110215- CAMBRIA-SOMERSET- 901 PM EST TUE FEB 9 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM EST WEDNESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WINTER WEATHER ADVISORY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WINTER WEATHER ADVISORY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ004-110215- WARREN- 901 PM EST TUE FEB 9 2016 ...LAKE EFFECT SNOW WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 1 PM EST THURSDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. LAKE EFFECT SNOW WARNING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. LAKE EFFECT SNOW WARNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ005-110215- MCKEAN- 901 PM EST TUE FEB 9 2016 ...LAKE EFFECT SNOW ADVISORY IN EFFECT FROM 1 AM WEDNESDAY TO 1 PM EST THURSDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. LAKE EFFECT SNOW ADVISORY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. LAKE EFFECT SNOW ADVISORY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ006-010>012-017>019-025>028-034>037-041-042-045-046-049>053- 056>059-063>066-110215- POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE- SOUTHERN CENTRE-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON- FRANKLIN-TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON- SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY- DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER- 901 PM EST TUE FEB 9 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Feb 9, 9:12 PM EST, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
912 PM EST TUE FEB 09 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0912 PM SNOW GIRARDVILLE 40.79N 76.28W
02/09/2016 M6.5 INCH SCHUYLKILL PA SOCIAL MEDIA
&&
EVENT NUMBER CTP1601198
EVANEGOLocal storm report, Feb 9, 9:37 PM EST, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
937 PM EST TUE FEB 09 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0937 PM SNOW GREENCASTLE 39.79N 77.73W
02/09/2016 M4.8 INCH FRANKLIN PA TRAINED SPOTTER
&&
EVENT NUMBER CTP1601199
EVANEGOLocal storm report, Feb 9, 9:41 PM EST, 47 minutes before
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</html>Local storm report, Feb 9, 9:46 PM EST, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
946 PM EST TUE FEB 09 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0946 PM SNOW HARRISBURG INTERNATIONA 40.19N 76.76W
02/09/2016 M5.5 INCH DAUPHIN PA ASOS
WEATHER OBSERVER
&&
EVENT NUMBER CTP1601201
EVANEGOLocal storm report, Feb 9, 10:05 PM EST, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1005 PM EST TUE FEB 09 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1005 PM SNOW BLOOMSBURG 41.00N 76.46W
02/09/2016 M2.5 INCH COLUMBIA PA SOCIAL MEDIA
&&
EVENT NUMBER CTP1601202
EVANEGOLocal storm report, Feb 9, 10:13 PM EST, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1013 PM EST TUE FEB 09 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1012 PM SNOW COLONIAL PARK 40.30N 76.81W
02/09/2016 M6.0 INCH DAUPHIN PA SOCIAL MEDIA
&&
EVENT NUMBER CTP1601203
EVANEGOThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 9, 7:53 PM EST | Special Weather Statement | CTP | Union | 52 min |
| Feb 9, 10:28 PM EST | Lake Effect Snow Warning | CTP | Warren | 48 hr |
| Feb 10, 3:13 PM EST | Special Weather Statement | CTP | McKean, Warren | 107 min |
| Feb 10, 5:08 PM EST | Special Weather Statement | CTP | Cameron, Elk, Potter | 52 min |
| Feb 10, 6:04 PM EST | Special Weather Statement | CTP | Cameron, Potter, Tioga | 56 min |
Nearby
Lake Effect Snow Advisories in Pennsylvania, 2016Every lake effect snow advisory in 2016
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.