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Blair county, PA Weather and Climate Synopsis

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NATIONAL WEATHER SERVICE STATE COLLEGE PA
1034 AM EST SAT DEC 20 2014

A WEAK RIDGE OF HIGH PRESSURE WILL BUILD INTO THE NORTHEASTERN 
UNITED STATES THIS WEEKEND...PROVIDING TRANQUIL WEATHER AND 
SEASONABLY CHILLY TEMPERATURES TO PENNSYLVANIA. A CONSIDERABLE 
AMOUNT OF CLOUDINESS WILL PERSIST THIS AFTERNOON...WITH HIGHS 
RANGING FROM AROUND 30 DEGREES ACROSS NORTHERN AND WESTERN 
PENNSYLVANIA TO THE UPPER 30S ACROSS THE SOUTHEASTERN PIEDMONT.

UNDER MOSTLY CLOUDY SKIES... LOWS TONIGHT WILL GENERALLY BE IN THE 
LOW TO MID 20S STATEWIDE.

SUNDAY SHOULD SEE SKIES BECOME PARTLY SUNNY...WITH HIGH TEMPERATURES 
RANGING FROM THE LOW 30S ACROSS THE NORTHERN MOUNTAINS AND THE 
LAUREL HIGHLANDS TO THE LOW 40S ACROSS THE SOUTHEASTERN PIEDMONT.

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

Precision Agriculture Weather Forecast For BLAIR County


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Hourly Observations For BLAIR county
1100 AM EST SAT DEC 20 2014

CENTRAL PENNSYLVANIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BRADFORD       CLOUDY    22  17  81 N3        30.18F                  
DUBOIS         CLOUDY    25  20  81 N6        30.20S                  
CLEARFIELD     CLOUDY    25  18  74 VRB3      30.23F                  
JOHNSTOWN      CLOUDY    25  17  72 CALM      30.17S                  
ALTOONA        PTSUNNY   28  20  71 CALM      30.23F                  
STATE COLLEGE  CLOUDY    27  19  74 NW6       30.24F                  
WILLIAMSPORT   CLOUDY    32  20  61 NW5       30.28F                  
SELINSGROVE    CLOUDY    32  20  61 CALM      30.29F                  
FT INDIANTOWN  CLOUDY    32  20  61 NE6       30.28F                  
CAPITAL CITY   CLOUDY    33  20  58 NE7       30.30F                  
HARRISBURG     CLOUDY    32  20  61 N3        30.29F                  
YORK           CLOUDY    32  21  64 NE6       30.29S                  

Current Temperatures, Dewpoint, RH, Wind, Surface 4-Panel


Current Agricultural Weather Conditions in Pennsylvania
Based on observations at 1100am EST, Saturday December 20, 2014

Across Pennsylvania...temperatures are near 28 degrees west, near 27 degrees central, and near 34 degrees east. Current sky conditions are cloudy west, cloudy central, and cloudy east. In the west, relative humidity is near 60%, and the dew point is near 16 degrees. In the central part of the state, relative humidity is near 74%, and the dew point is near 19 degrees. In the east, relative humidity is near 56%, and the dew point is near 20 degrees. Winds are calm in the west, where conditions are favorable for spraying. Winds are coming from the northwest at 6 mph in the central, where conditions are favorable for spraying. Winds are coming from the northeast at 9 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 34 degrees at Philadelphia and North Phila. The lowest temperature is 22 degrees at Bradford.


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 BLAIR County,PA

532 AM EST SAT DEC 20 2014

 DAY ONE  TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

 DAYS TWO THROUGH SEVEN  SUNDAY THROUGH FRIDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

 SPOTTER INFORMATION STATEMENT  

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For BLAIR County, PA
Issued at 1004 AM EST SAT DEC 20 2014

THIS AFTERNOON
MOSTLY CLOUDY. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 5 MPH.

TONIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. WEST WINDS AROUND 5 MPH.

SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 30S. WEST WINDS AROUND 5 MPH.

SUNDAY NIGHT
PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. LOWS IN THE MID 20S. SOUTHEAST WINDS AROUND 5 MPH.

MONDAY
PARTLY SUNNY IN THE MORNING
THEN BECOMING MOSTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTHEAST WINDS 5 TO 10 MPH.

MONDAY NIGHT
CLOUDY WITH A CHANCE OF RAIN OR DRIZZLE OR FREEZING RAIN. NEAR STEADY TEMPERATURE IN THE LOWER 30S. CHANCE OF PRECIPITATION 50 PERCENT.

TUESDAY
CLOUDY WITH A CHANCE OF RAIN OR DRIZZLE. HIGHS IN THE LOWER 40S. CHANCE OF RAIN 50 PERCENT.

TUESDAY NIGHT
RAIN LIKELY. UNSEASONABLY MILD. LOWS IN THE LOWER 40S. CHANCE OF RAIN 70 PERCENT.

WEDNESDAY
RAIN. HIGHS IN THE LOWER 50S. CHANCE OF RAIN 80 PERCENT.

WEDNESDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF RAIN OR SNOW SHOWERS IN THE EVENING
THEN A CHANCE OF RAIN OR SNOW SHOWERS AFTER MIDNIGHT. COOLER WITH LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION 50 PERCENT.

CHRISTMAS DAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW SHOWERS. BLUSTERY AND MUCH COOLER WITH HIGHS IN THE MID 30S.

THURSDAY NIGHT
MOSTLY CLOUDY AND BLUSTERY. LOWS IN THE MID 20S.

FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 40S.

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 
                   DEC 25-29 DEC 27-JAN 2   JAN        JAN-MAR                      
                 -----------  -----------  --------  ---------
   Temperature:     Normal        Below     Normal     Normal                      
 Precipitation:      Above       Normal     Normal      Above                      

....  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

DECEMBER 20TH
HISTORIC WEATHER EVENTS
...1836...
A famous cold wave occurred in central Illinois. A cold front with 70 mph
winds swept through at Noon dropping the temperature from 40 degrees to
near zero in a matter of minutes. Many settlers froze to death. Folklore
told of chickens frozen in their tracks and men frozen to saddles. Ice in
streams reportedly froze to six inches in a few hours. (David Ludlum) (The
Weather Channel)
...1901...
An extremely cold air mass brought record lows of 0 at Louisville, KY -2 at 
Lexington, and -10 at Bowling Green.
...1942...
An early cold wave sent the temperature plunging to 3 degrees below zero at
Nantucket MA, and to 11 degrees below zero at Boston MA. (The Weather
Channel)
...1987...
Heavy snow fell in the northern mountains of Colorado, with 15 inches
reported in the Mary Jane ski area. Strong and gusty winds prevailed from
the Northern High Plains to the Great Lakes. Winds gusted to 54 mph at
Buffalo NY, and reached 66 mph at Livingston MT. Rain, freezing rain, sleet
and snow fell across New England, with up to seven inches of snow in Maine.
(The National Weather Summary) (Storm Data)
...1988...
Strong southerly winds ahead of a cold front in the central U.S. gusted to
70 mph at Indianapolis IN. The high winds toppled a masonary wall killing a
construction worker. Low pressure and a trailing cold front brought rain
and snow and high winds to the western U.S. Winds gusted to 90 mph at the
Callahan Ranch south of Reno NV. Soda Springs, in the Sierra Nevada Range
of California, received 17 inches of snow in less than 24 hours. (Storm
Data) (The National Weather Summary)
...1989...
Brutal northwest winds ushered bitter cold arctic air into the north
central U.S. International Falls MN and Warroad MN tied for honors as the
cold spot in the nation with morning lows of 34 degrees below zero. Minot
ND reported a wind chill reading of 81 degrees below zero. Squalls produced
more heavy snow in the Great Lakes Region. Erie PA received 21 inches of
snow, including four inches in one hour, to bring their total snow cover to
39 inches, an all-time record for that location. (Storm Data) (The National
Weather Summary)
...1990...
Snow fell at Santa Maria, CA for the first time since records were kept. 

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