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Sullivan county, PA Weather and Climate Synopsis

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Regional Weather Summary
National Weather Service State College PA
412 AM EDT Mon Aug 21 2017

Skies will be fair tonight and lows will range from the mid 50s 
over the north to mid 60s south. 

High pressure will move off the coast today allowing heat and 
humidity to creep back into Pennsylvania. The increasing humidity 
will create a chance of a shower or thunderstorm in the 
afternoon. Highs will rise into the 80s, with some areas along the
Maryland border nudging 90 degrees. 

A strong cold front will approach the area Tuesday bringing 
scattered showers and strong thunderstorms in the afternoon and 
evening. It will be very warm and humid with highs in the lower 
80s over northern areas ranging to the lower 90s around 
Philadelphia.

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

Precision Agriculture Weather Forecast For SULLIVAN County


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Hourly Observations For SULLIVAN county
1100 AM EDT MON AUG 21 2017

CENTRAL PENNSYLVANIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BRADFORD       CLOUDY    75  65  70 CALM      30.21F                  
DUBOIS         MOSUNNY   77  65  66 SW7       30.20F                  
CLEARFIELD     SUNNY     75  65  70 S7        30.21F                  
JOHNSTOWN      SUNNY     76  66  71 SW6       30.26S                  
ALTOONA        SUNNY     78  69  73 VRB5      30.23F                  
STATE COLLEGE  MOSUNNY   75  66  73 SW7       30.21F                  
WILLIAMSPORT   MOSUNNY   76  67  73 CALM      30.18F                  
SELINSGROVE    SUNNY     78  68  71 VRB5      30.19F                  
FT INDIANTOWN  PTSUNNY   78  70  77 SW6       30.20F                  
CAPITAL CITY   MOSUNNY   80  69  69 VRB5      30.20S                  
HARRISBURG     PTSUNNY   79  70  74 VRB3      30.19S                  
YORK           MOSUNNY   80  73  79 CALM      30.21R                  

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


Current Agricultural Weather Conditions in Pennsylvania
Based on observations at 1100am EDT, Monday August 21, 2017

Across Pennsylvania...temperatures are near 74 degrees west, near 75 degrees central, and near 82 degrees east. Current sky conditions are cloudy west, mostly sunny central, and partly sunny east. In the west, relative humidity is near 81%, and the dew point is near 68 degrees. In the central part of the state, relative humidity is near 73%, and the dew point is near 66 degrees. In the east, relative humidity is near 52%, and the dew point is near 63 degrees. The livestock heat stress category is no stress west, no stress central, and no stress east. Winds are coming from the south at 8 mph in the west, where conditions are favorable for spraying. Winds are coming from the southwest at 7 mph in the central, where conditions are favorable for spraying. Winds are coming from the south at 6 mph in the east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 84 degrees at North Phila and Beaver County. The lowest temperature is 74 degrees at pittsburgh, Mount Pocono, and Buffalo.


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 SULLIVAN County,PA

409 AM EDT Mon Aug 21 2017

 DAY ONE  Today and Tonight.

There will be a Marginal Risk of severe thunderstorms this afternoon and
evening.

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday.

There will be a Slight Risk of severe thunderstorms Tuesday 
afternoon and evening.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not expected at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For SULLIVAN County, PA
Issued at 1015 AM EDT Mon Aug 21 2017

REST OF TODAY
Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

TONIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 40 percent.

TUESDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Very warm. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

TUESDAY NIGHT
Mostly cloudy. Showers and thunderstorms likely, mainly in the evening. Humid with lows in the lower 60s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 70 percent.

WEDNESDAY
Partly sunny. A chance of showers in the morning. Not as warm with highs in the lower 70s. Northwest winds 5 to 10 mph. Chance of rain 30 percent.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s.

THURSDAY
Mostly sunny. Highs around 70.

THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows around 50.

FRIDAY
Sunny. Highs in the upper 60s.

FRIDAY NIGHT
Mostly clear. Lows around 50.

SATURDAY
Sunny. Highs in the lower 70s.

SATURDAY NIGHT
Mostly clear. Lows in the lower 50s.

SUNDAY
Mostly sunny. Highs in the lower 70s.

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 
                   AUG 26-30 AUG 28-SEP 3    AUG       AUG-OCT                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below      Above      Above                      
 Precipitation:      Below       Normal     Normal     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

///////////////////////////////
AUGUST 21ST...HISTORIC WEATHER EVENTS
...1883...
A tornado hit Rochester MN killing 31 persons and wrecking 1351 dwellings.
(David Ludlum)
...1888...
A tornado swarm occurred in Maryland and Delaware. Many waterspouts were
seen over Chesapeake Bay. (Sandra and TI Richard Sanders - 1987)
...1918...
A tornado struck Tyler MN killing 36 persons and destroying most of the
business section of the town resulting in a million dollars damage. (David
Ludlum)
...1983...
The temperature at Fayetteville NC soared to 110 degrees to establish a
state record. (The Weather Channel)
...1987...
Early morning thunderstorms produced severe weather in eastern Iowa and
west central Illinois. Thunderstorms produced wind gusts to 82 mph at
Moline IL, and tennis ball size hail at Independence IA. Rock Island IL was
drenched with 3.70 inches of rain. Total damage for the seven county area
of west central Illinois was estimated at twelve million dollars. (National
Weather Summary) (Storm Data)
...1988...
Thunderstorms spawned several tornadoes in Iowa, produced wind gusts to 63
mph in the Council Bluffs area, and drenched Sioux Center IA with up to
6.61 inches of rain. (Storm Data) (The National Weather Summary)
...1989...
Afternoon and evening thunderstorms produced severe weather from Kansas to
Minnesota and North Dakota. Thunderstorms in Minnesota produced baseball
size hail from Correll to north of Appleton. Thunderstorms in north central
Kansas produced wind gusts higher than 100 mph at Wilson Dam. Thunderstorms
around Lincoln NE produced baseball size hail and up to five inches of
rain, and Boone NE was deluged with five inches of rain in an hour and a
half. (The National Weather Summary) (Storm Data)


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