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York county, PA Weather and Climate Synopsis

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National Weather Service State College PA
1030 PM EST Mon Feb 27 2017

Clouds will persist overnight as a weak disturbance approaches from 
the Ohio Valley. A few light rain showers are possible with low 
temperatures in the 30s statewide.

A developing southerly flow will bring even milder air into the 
region for Tuesday. There will be an increasing chance for showers 
from west to east through the day, as low pressure approaches from 
the Mississippi Valley. Some thunder is possible late in the day 
across the far west. High temperatures will range from the low 50s 
in north-central Pennsylvania to the low 60s across the valleys of 
the south.

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Precision Agriculture Weather Forecast For YORK County


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Regional Hourly Observations For YORK County

SWR not available
Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel
Current Agricultural Weather Conditions in Pennsylvania
Based on observations at 400am EST, Tuesday February 28, 2017

Across Pennsylvania...temperatures are near 41 degrees west, near 38 degrees central, and near 45 degrees east. Current sky conditions are cloudy west, cloudy central, and cloudy east. In the west, relative humidity is near 82%, and the dew point is near 36 degrees. In the central part of the state, relative humidity is near 90%, and the dew point is near 35 degrees. In the east, relative humidity is near 70%, and the dew point is near 36 degrees. Winds are coming from the east at 3 mph in the west, where conditions are favorable for spraying. Winds are calm in the central, where conditions are favorable for spraying. Winds are coming from the east at 3 mph in the east, where conditions are favorable for spraying. The livestock cold stress index is in the no stress category west, no stress category central, and no stress category east. Based on current available observations, the highest temperature is 45 degrees at Philadelphia. The lowest temperature is 36 degrees at Franklin and Butler.


Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For YORK County,PA

415 AM EST Mon Feb 27 2017

 DAY ONE  Today and Tonight.

No hazardous weather will occur today.

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday.

A slight risk of severe thunderstorms exists on Wednesday before a
cold front pushes through late in the day.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not expected at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For YORK County, PA
Issued at 447 AM EST Tue Feb 28 2017

TODAY
Mostly sunny this morning, then mostly cloudy with rain showers likely with a slight chance of thunderstorms this afternoon. Unseasonably warm with highs in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

TONIGHT
Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Unseasonably mild. Near steady temperature in the upper 50s. South winds 5 to 10 mph. Chance of rain 90 percent.

WEDNESDAY
Showers likely. Thunderstorms likely, mainly in the afternoon. Some thunderstorms may produce gusty winds in the morning. Some thunderstorms may produce gusty winds in the afternoon. Continued unseasonably warm with highs in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.

WEDNESDAY NIGHT
Showers and thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce gusty winds in the evening. Mild. Lows around 40. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.

THURSDAY
Mostly sunny. Much cooler with highs in the mid 40s. West winds 15 to 20 mph with gusts up to 35 mph.

THURSDAY NIGHT
Partly cloudy. Cooler with lows in the upper 20s.

FRIDAY
Partly sunny with a chance of rain or snow. Highs around 40. Chance of precipitation 30 percent.

FRIDAY NIGHT
Partly cloudy. Lows in the lower 20s.

SATURDAY
Mostly sunny. Highs in the mid 40s.

SATURDAY NIGHT
Partly cloudy. Not as cool with lows in the lower 30s.

SUNDAY
Mostly sunny. Unseasonably warm with highs in the upper 50s.

SUNDAY NIGHT
Partly cloudy. Mild. Lows around 40.

MONDAY
Partly sunny with a 40 percent chance of rain. Continued unseasonably warm with highs in the upper 50s.

12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2


Medium & Long Range Outlook For Pennsylvania
                                 PENN                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                 MAR 5-MAR 9 MAR 7-MAR 13    FEB       FEB-APR                      
                 -----------  -----------  --------  ---------
   Temperature:      Above       Normal     Normal      Above                      
 Precipitation:      Above       Normal      Above     Normal                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Historical Weather And Climate Facts For Today

FEBRUARY 28TH
HISTORIC WEATHER EVENTS
...1900...
A massive storm spread record snows from Kansas to New York State. Snowfall
totals rangeD up to 17.5 inches at Springfield IL and 43 inches at
Rochester NY, with up to 60 inches in the Adirondack Mountains of New York
State. (David Ludlum)
...1952...
An intense storm brought coastal sections of southeastern Massachusetts to
a halt, stranding 3000 motorists on Lower Cape, and leaving ten thousand
homes on the Cape without electricity. Winds gusting to 72 mph created
mountainous snowdrifts of the 18 inches of snow which buried Nantucket and
Hyannis. A barometric pressure reading of 29.02 inches was reported at the
center of the storm. (The Weather Channel)
...1987...
A powerful storm produced severe thunderstorms in Louisiana and Mississippi
early in the day. About mid morning a monstrous tornado touched down near
Moselle MS and grew to a width of two miles as it passed near Laurel MS.
The tornado traveled a distance of 40 miles killing six persons, injuring
350 others, and causing 28.5 million dollars damage. The tornado swept
homes right off their foundations, and tossed eighteen wheel trucks about
like toys. Strong straight line winds associated with the powerful storm
system gusted to 70 mph at Jonesboro AR and Carbondale IL. (The National
Weather Summary) (Storm Data)
...1988...
Thunderstorms in California produced severe weather during the early
morning hours. Strong thunderstorm winds, gusting to 74 mph, downed trees
in the Sacramento area. Unseasonably mild weather prevailed in the
northwestern U.S. The afternoon high of 71 degrees at Portland OR was a
February record. (The National Weather Summary) (Storm Data)
...1989...
Thunderstorms in the southeast corner of the nation produced winds gusts to
58 mph at Fort Lauderdale FL, and a total of seven inches of rain. Heavy
snow whitened parts of the Northern Plateau and the Northern Rockies, with
ten inches reported at Marion MT. (The National Weather Summary) (Storm
Data)
...1990...
Showers and thunderstorms over the Southern Plains Region capped a record
wet February for parts of Oklahoma. Totals for the month ranged up to 9.11
inches at McCurtain, with 4.63 inches reported at Oklahoma City. Snow and
sleet fell across northern Oklahoma, with four inches reported at Freedom
and Jefferson. Snow also spread across southern Kansas into Missouri and
Arkansas, with six inches of snow reported at Harrison AR. In Alaska,
February temperatures at Nome averaged 21 degrees below normal, ranging
from -38 degrees to 29 degrees during the month. (The National Weather
Summary) (Storm Data)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky