Current Watches, Warnings and Advisories for Lehigh (PAZ061) Pennsylvania Issued by the National Weather Service

 

Special Weather Statement Special Weather Statement - Lehigh (Pennsylvania)


Updated:Fri, 15-Dec-2017 8:38am EST
Effective:Fri, 15-Dec-2017 6:00pm EST
Expires:Fri, 15-Dec-2017 2:45pm EST
Severity:Minor
Urgency:Expected
Certainty:Observed
Status:Actual
Type:Alert
Category:Met

Areas affected: Berks; Eastern Chester; Eastern Montgomery; Lehigh; Lower Bucks; Northampton; Upper Bucks; Western Chester; Western Montgomery
 
Message summary: ...snow to effect the evening commute...
A period of snow will move in southwest to northeast beginning between noon and 2pm and will continue to for several hours before tapering off early this evening. While amounts of 1 to 2 inches are currently expected for southeast pennsylvania and central new jersey with a dusting to an inch north of here, the timing of the snow coinciding with the afternoon rush hour could result in slippery travel and travel delays. $$
...view the complete message

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Source: NWS Watches, Warnings or Advisories for zone PAZ061


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METRIC | IMPERIAL
Updated: 15-Dec-2017 @ 8:55am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 3.3°F than last hour.

18.2°F

Wind Chill:  18.2°F
Uncomfortably Cold
High Today
18.3°F
12:10 AM
Low Today
12.2°F
5:33 AM
Yest High
29.9°F
3:05 PM
Yest Low
17.9°F
11:51 PM
Sta* High
64.3°F
2015
Sta* Low
14.9°F
2016
* This Station's Records Since 12/2012
Rec* High
66.0°F
2015
Rec* Low
6.0°F
1960
* Records from Weather Underground
<!-- fixupCondition in='Partly cloudy/Dry' out='Partly cloudy, Dry' ocnt='2' --><!-- vals split on slash -->
Partly cloudy, Dry Partly cloudy, Dry

Calm Wind:  NW
0.0

Gusting to:
0.0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-1.1 of 100
Today

Today: Mostly Cloudy then Chance Light Snow
Mostly Cloudy then Chance Light Snow
Tonight

Tonight: Chance Light Snow then Mostly Cloudy
Chance Light Snow then Mostly Cloudy
Saturday

Saturday: Partly Sunny
Partly Sunny
Hi 28 °F Lo 18 °F ↑ Hi 35 °F ↓
Regional Visible Satellite
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 2.2°F since last hour. 12.5°F
Last Hour: Increased 2.2°F since last hour. 2.2°F
High 8:54 AM: 12.5°F
Low 1:26 AM: 7.5°F
Record High: 79.5°F on
Sep-11-2013
Record Low: -19.8°F on
Jan-7-2014
Wetbulb: 16.8°F
Rain Today
rain graph

Melt Today: 0.00 in
Storm Rain: 0.04 in
Yesterday: 0.04 in
Last 7 Days: 0.20 in
Dec Rain: 0.49 in
Dec to Date
  Avg:10
1.45 in
Dec to Date
  Diff from Avg:10
Under 0.96 in for the month 0.96 in
Dec Avg: 3.55 in
Diff from Avg: Under 3.06 in for the month 3.06 in
Season:1 44.48 in
YTD
  Avg:11
43.62 in
YTD
  Diff from Avg:11
Over 0.86 in for the year 0.86 in
Last Rain
Time/Date:
Dec-14-2017
at 2:26 PM
143 rain days in 2017
7 days in December
0 days since last rain
Current: NW  0.0 mph
1Hr Average: Calm
Wind Run: 0.00 miles
Wind Gust
Current: 0.0 mph
Today: 0.0 mph 10:44 AM
Month: 38.0 mph Dec-13
Year: 42.6 mph Jan-26
Record Gust: 54.1 mph
Oct-29-2012
Sunlight:
9 hrs 18 min
of Sunlight Today
graph 38.8% 61.2%
Which is
0 min 27 sec Shorter
Than Yesterday
 
Morning Crescent, 27 days, 2 hours, 16 minutes in cycle
0%
Illuminated
Humidity Barometer
Current: Decreased 4% since last hour. 78%
Last Hour: Decreased 4% since last hour. 4%
High 5:46 AM: 83%
Low 12:08 AM: 64%
Record High: 100%
May-30-2011
Record Low: 0%
Jul-31-2015
Current: Falling 0.011  inHg/hr 30.114 inHg
Last Hour: Steady
High 1:15 AM: 30.134
Low 3:56 AM: 30.108
Record High: 30.874 inHg
Feb-28-2015
Record Low: 28.423 inHg
Oct-29-2012
Heating Degree Days Snow3 Wind Chill Air
Today: 13.5
Dec: 450.1
2017 to Date: 2229.9
Cooling Degree Days
2017 to Date: 2523.2
Today: 0.00 in
Yesterday: 1.30 in
Dec Snow: Over 1.357 in for the month 6.20 in
Dec Avg: 4.84 in
Diff from Avg: 1.36 in
Season Total:2 6.20 in
Snow Depth: 0.00 in
3 snow days in December
3 snow days this season.2
First Snow of Season:
Dec-11-2017
Average 1st Snow:
14 of Jan
Current: 18.2°F
Low 5:33 AM: 12.2°F
Yesterday: 13.4°F
Record: -24.5°F
Jan-7-2014
Quality
Index6:

63


Moderate
Density:
1.34 kg/m3
Current UV Index Current Solar Energy9
0.0
Sunburn in
N/A Minutes
Highest:
12:00 AM
0.0
91 W/m2
65%
W/m2 SI
High Today:
8:53 AM
91  W/m2
Record:
2017 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Morning
YTD Avg Temp: 55.0°F
Sunrise: 7:18 am
Sunset: 4:36 pm
Moonrise: 4:36 am
Moonset: 3:13 pm
Full Moon: Dec-03-2017
New Moon: 06:31 UTC
Dec-18-2017
Updated at Midnight
Current ET: 0.00 in
7-Days Rain: 0.20 in
7-Days ET: 0.12 in
7-Day:  0.083 in water in excess of what evaporated in last 7 days. 0.083 in
December:  0.21 in water in excess of what evaporated this month. 0.21 in
HIGHS: LOWS:
97.3°F
Jul-7-2012
-3.6°F
Feb-24-2015
Daytime Records
  94.5°F
Dec-06-2012
  2.7°F
Jan-07-2014
Nitetime Records
  83.3°F
Jul-18-2012
  2.1°F
Jan-04-2014
ICN:5 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.6 | RCP:99%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 7AM and 7PM.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 15 of just the month of December for this station since 2012.   11 Historical average rain this season to day 15 of December for this station since 2012.
 NWS Weather Forecast  -   Outlook Today & Tonight
Today

Today: Mostly Cloudy then Chance Light Snow
Mostly Cloudy then Chance Light Snow

Hi 28 °F
NWS forecast: A chance of snow after noon. Mostly cloudy, with a high near 28. Southwest wind 2 to 6 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Local station forecast: A CHANCE OF SNOW AFTER 2PM. MOSTLY CLOUDY, WITH A HIGH NEAR 28. SOUTHWEST WIND 2 TO 6 MPH. CHANCE OF PRECIPITATION IS 50. NEW SNOW ACCUMULATION OF LESS THAN ONE INCH POSSIBLE.
Tonight

Tonight: Chance Light Snow then Mostly Cloudy
Chance Light Snow then Mostly Cloudy

Lo 18 °F ↑
NWS forecast: A chance of snow before 7pm. Mostly cloudy. Low around 18, with temperatures rising to around 24 overnight. West wind 2 to 9 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
 NWS Short Term Weather Forecast
Saturday

Saturday: Partly Sunny
Partly Sunny
Saturday
Night
Saturday Night: Mostly Cloudy
Mostly Cloudy
Sunday

Sunday: Partly Sunny
Partly Sunny
Sunday
Night
Sunday Night: Chance Light Snow
Chance Light Snow
Monday

Monday: Slight Chance Light Snow then Partly Sunny
Slight Chance Light Snow then Partly Sunny
Monday
Night
Monday Night: Slight Chance Rain Showers
Slight Chance Rain Showers
Tuesday

Tuesday: Slight Chance Rain Showers
Slight Chance Rain Showers
Hi 35 °F ↓ Lo 21 °F Hi 38 °F Lo 29 °F Hi 46 °F Lo 33 °F Hi 47 °F
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