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Lehigh county, PA Weather and Climate Synopsis

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A joint service of the UK Ag Weather Center and the National Weather Service.

Regional Weather Summary
National Weather Service State College PA
1004 PM EDT Mon Jul 24 2017

Drier and cooler air will move into the state overnight as a cold
front puhes off the east coast. Low temperatures tonight will
range from the mid 50s over the northern mountains, to the mid 60s
near the Maryland border.

High pressure will bring plenty of sunshine, dry air and
comfortable humidity tomorrow. Highs Tuesday will range from 
around 70 across the northern mountains, to the low 80s across the
southeast piedmont.

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

Precision Agriculture Weather Forecast For LEHIGH County

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Hourly Observations For LEHIGH county
400 AM EDT TUE JUL 25 2017

PHILADELPHIA   CLOUDY    66  65  96 NE6       29.96R FOG              
NORTH PHILA    CLOUDY    67  64  90 NE6       29.97F FOG              
BLUE BELL*     CLOUDY    63  63 100 E6        29.97S                  
DOYLESTOWN     CLOUDY    63  62  97 CALM      29.96S                  
QUAKERTOWN*    CLOUDY    63  63 100 CALM      29.98S                  
PERKASIE*      CLOUDY    63  63 100 E3        29.98S FOG              
POTTSTOWN      FOG       64  64 100 E5        29.98S VSB 1            
LANCASTER      CLEAR     68  65  90 CALM      29.96S                  
READING        CLOUDY    68  68 100 N5        29.95S                  
ALLENTOWN      CLOUDY    66  62  87 E5        29.96F                  
MOUNT POCONO   CLOUDY    60  60 100 CALM      29.99S                  
HAZLETON         N/A     61  57  88 CALM      30.02S                  
LEHIGHTON      CLOUDY    64  64 100 CALM      29.97S FOG              
WILKES BARRE   CLOUDY    67  63  87 CALM      29.96S                  

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

Current Agricultural Weather Conditions in Pennsylvania
Based on observations at 400am EDT, Tuesday July 25, 2017

Across Pennsylvania...temperatures are near 63 degrees west, near 64 degrees central, and near 66 degrees east. Current sky conditions are cloudy west, cloudy central, and cloudy east. In the west, relative humidity is near 70%, and the dew point is near 53 degrees. In the central part of the state, relative humidity is near 77%, and the dew point is near 56 degrees. In the east, relative humidity is near 96%, and the dew point is near 65 degrees. The livestock heat stress category is no stress west, no stress central, and no stress east. There is patchy fog east. Winds are coming from the northwest at 6 mph in the west, where conditions are favorable for spraying. Winds are coming from the west at 9 mph in the central, where conditions are favorable for spraying. Winds are coming from the northeast at 6 mph in the east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 68 degrees at WilliamSport, Reading, Lancaster, and Harrisburg. The lowest temperature is 59 degrees at Meadville, Johnstown, Franklin, Dubois, and 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 LEHIGH County,PA

438 AM EDT Tue Jul 25 2017

 DAY ONE  Today and Tonight.

Hazardous weather is not expected at this time.

 DAYS TWO THROUGH SEVEN  Wednesday through Monday.

There is a potential for heavy rainfall Thursday night into Friday. 
Areas that were impacted by heavy rainfall earlier this week will be
particularly susceptible to another round of flooding. Additionally,
a few thunderstorms may become severe.


Spotter activation is not expected at this time.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For LEHIGH County, PA
Issued at 330 AM EDT Tue Jul 25 2017

Mostly cloudy this morning, then becoming partly sunny. Highs in the upper 70s. North winds around 5 mph.

Mostly cloudy. Lows around 60. Northeast winds 5 to 10 mph.

Partly sunny. Highs around 80. Southeast winds around 5 mph.

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. South winds around 5 mph.

Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. South winds around 5 mph. Chance of rain 40 percent.

Showers likely. A chance of thunderstorms. Some thunderstorms may produce heavy rainfall after midnight. Lows in the upper 60s. Chance of rain 70 percent.

Showers likely with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the lower 80s. Chance of rain 70 percent.

Partly cloudy. Showers likely with a chance of thunderstorms in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 60s. Chance of rain 60 percent.

Mostly sunny. Highs around 80.

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Lows in the mid 60s.

Mostly sunny. Highs in the lower 80s.

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
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                JUL 30-AUG 3  AUG 1-AUG 7    AUG       AUG-OCT                      
                 -----------  -----------  --------  ---------
   Temperature:      Below       Normal      Above      Above                      
 Precipitation:     Normal       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

The Lexington weather office closed. It would re-open eleven years later.
(NWS Louisville)
The mercury hit 109 degrees at Los Angeles CA marking the peak of a torrid
heat wave. (David Ludlum)
Louisville's warmest July low temperature: 83 degrees.(NWS Louisville)
The Andrea Doria sank in dense fog near Nantucket Lightship MA. The ship
was rammed by the Swedish-American liner, Stockholm, forty-five miles off
the coast of Massachusetts. Fifty-two persons drowned, or were killed by
the impact. (David Ludlum) (The Weather Channel)
Tremendous hailstones pounded parts of South Dakota damaging crops,
buildings and vehicles. Hail piled two feet deep at Black Hawk and northern
Rapid City. Hail an inch and a quarter in diameter fell for 85 minutes near
Miller and Huron, piling up to depths of two feet. (The Weather Channel)
Sixteen cities in the eastern U.S. reported record high temperatures for
the date. Beckley WV equalled their all-time record high of 91 degrees,
established just the previous day. It marked their fourth day in a row of
90 degree heat, after hitting 90 degrees just twice in the previous 25
years of records. The water temperature of Lake Erie at Buffalo NY reached
79 degrees, the warmest reading in 52 years of records. (The National
Weather Summary)
Thunderstorms produced severe weather from central Kansas to western
Kentucky and southern Illinois during the day. Thunder- storms produced
tennis ball size hail at Union MO, and winds gusts to 65 mph at Sedalia MO.
Five cities in Washington and Oregon reported record high temperatures for
the date. Medford OR hit 107 degrees. (The National Weather Summary) (Storm
Early afternoon thunderstorms over west central Missouri drenched the town
of Ferguson with four inches of rain. Early evening thunderstorms in
Pennsylvania produced more than two inches of rain north of Avella in one
hour. (The National Weather Summary)
Lexington Area  (ThreadEx Station)
Daily Almanac
Date: Jul 25, 2010

Daily Values         Observed    Normal       Record/Year    Prev Year
Max Temperature          89         86        101 in 1934          84
Min Temperature          75         67         53 in 1911          68
Avg Temperature        82.0         77       88.5 in 1934        76.0
Precipitation         Trace       0.15       3.61 in 1943        1.92
New Snowfall            0.0        0.0        0.0 in 2010+        0.0
Snow Depth                0          -          0 in 2010+          0
HDD (base 65)             0          0          1 in 1911           0
CDD (base 65)            17         12         24 in 1934          11

+ indicates record also occurred in previous years (last occurrence listed).

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