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Allegheny county, PA Weather and Climate Synopsis

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Regional Weather Summary
National Weather Service State College PA
634 PM EDT Mon Mar 18 2024

Areas west of I99 and north of I80 will have multiple rounds of 
snow flurries/showers through Thursday. The southeast will have 
variable cloudiness, but will generally stay dry through the same
period. Colder then normal temperatures through Wednesday morning will
be more uncomfortable with gusty west to northwest winds.

Snow accumulation will be confined to the higher elevations of 
the northern and western mountains. Just a few inches of snow will
build up over the next few days in the lake effect snow belt with
just an occasional dusting to an inch in the Laurel Highlands and
northern Alleghenies.

Lows tonight will be below freezing everywhere across the 
Commonwealth, running between the lower 20s in the northwest to
the lower 30s in the piedmont region. Highs on Tuesday will be
slightly milder running from the mid 30s across the northern tier
counties to the mid 40s across the southern tier counties. Expect
milder temperatures on Wednesday before turning colder again
Thursday

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

Precision Agriculture Weather Forecast For ALLEGHENY County


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Hourly Observations For ALLEGHENY county
100 AM EDT TUE MAR 19 2024

OTHER REGIONAL OBSERVATIONS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
NEW YORK CITY  CLEAR     38  19  46 W8G28     29.77R WCI  32          
PHILADELPHIA   CLEAR     38  21  50 W16G22    29.84R WCI  29          
PITTSBURGH     FLURRIES  32  25  75 W13G22    29.92F WCI  22          
ROANOKE        MOCLDY    35  15  44 NW17G35   29.99F WCI  25          
RICHMOND       PTCLDY    39  16  39 N10       29.93R WCI  32          
RALEIGH        PTCLDY    43  17  35 VRB7      29.97R                  

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


Current Agricultural Weather Conditions in Pennsylvania
Based on observations at 100am EDT, Tuesday March 19, 2024

Across Pennsylvania...temperatures are near 31 degrees west, near 31 degrees central, and near 38 degrees east. Current sky conditions are cloudy west, cloudy central, and clear east. In the west, relative humidity is near 75%, and the dew point is near 24 degrees. In the central part of the state, relative humidity is near 70%, and the dew point is near 22 degrees. In the east, relative humidity is near 50%, and the dew point is near 21 degrees. Winds are coming from the west at 7 mph with gusts at 18 mph in the west, where conditions are not favorable for spraying due to strong winds. Winds are coming from the west at 12 mph with gusts at 18 mph in the central, where conditions are not favorable for spraying due to strong winds. Winds are coming from the west at 16 mph with gusts at 22 mph in the east, where conditions are not favorable for spraying due to strong winds. Based on current available observations, the highest temperature is 38 degrees at Philadelphia. The lowest temperature is 25 degrees at Johnstown.


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 ALLEGHENY County,PA

248 PM EDT Mon Mar 18 2024

 DAY ONE  This afternoon and tonight.

No hazardous weather is expected at this time.

 DAYS TWO THROUGH SEVEN  Tuesday through Sunday.

Wind gusts will increase through the day on Tuesday into Wednesday
with highest gusts expected on Wednesday. There is an 80-90% chance
of gusts greater than 30 mph with a 40% chance of greater than 40 
mph.

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not expected at this time.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For ALLEGHENY County, PA
Issued at 100 AM EDT Tue Mar 19 2024

OVERNIGHT
Snow showers likely. Little or no snow accumulation. Near steady temperature in the upper 20s. West winds around 10 mph with gusts up to 20 mph. Chance of snow 60 percent.

TODAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 40s. Southwest winds 15 to 20 mph with gusts up to 30 mph.

TONIGHT
Considerable cloudiness. A chance of rain and snow showers, mainly in the evening. Lows in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 30 percent.

WEDNESDAY
Mostly cloudy with a chance of snow showers in the morning, then partly sunny with a chance of rain showers with a slight chance of snow showers in the afternoon. Little or no snow accumulation. Breezy with highs in the upper 40s. West winds 15 to 25 mph with gusts up to 35 mph. Chance of precipitation 40 percent.

WEDNESDAY NIGHT
Mostly cloudy in the evening, then clearing. Lows in the mid 20s. Northwest winds 15 to 20 mph. Gusts up to 35 mph in the evening.

THURSDAY
Mostly sunny. Highs around 40.

THURSDAY NIGHT
Mainly clear. Lows in the lower 20s.

FRIDAY
Partly sunny in the morning, then becoming mostly cloudy. A chance of rain showers in the afternoon. Highs in the upper 40s. Chance of rain 40 percent.

FRIDAY NIGHT
Rain showers likely. Lows in the mid 30s. Chance of rain 60 percent.

SATURDAY
Mostly cloudy with a chance of rain showers in the morning, then partly sunny in the afternoon. Highs in the upper 40s. Chance of rain 50 percent.

SATURDAY NIGHT
Mainly clear. Lows in the mid 20s.

SUNDAY
Mostly sunny. Highs in the upper 40s.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s.

MONDAY
Partly sunny with a 30 percent chance of rain showers. 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 24-28 MAR 26-APR 1    JUN       JUN-AUG                      
                 -----------  -----------  --------  ---------
   Temperature:      Above        Above      Above      Above                      
 Precipitation:      Above        Above      Above      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

MARCH 19TH
HISTORIC WEATHER EVENTS
...1950...
Timberline Lodge reported 246 inches of snow on the ground, a record for
the state of Oregon. (The Weather Channel)
...1935...
Suffocating dust storms occurred frequently in southeastern Colorado
between the 12th and the 25th of the month. Six people died, and many
livestock starved or suffocated. Up to six feet of dust covered the ground.
Schools were closed, and many rural homes were deserted by tenants. (The
Weather Channel)
...1956...
The second heavy snowstorm in just three days hit Boston. Nearby Blue Hill
received 19.5 inches contributing to their snowiest March of record. (David
Ludlum)

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