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

 

Winter Weather Advisory Winter Weather Advisory - Lehigh (Pennsylvania)


Updated:Mon, 08-Feb-2016 3:22pm EST
Effective:Mon, 08-Feb-2016 3:22pm EST
Expires:Wed, 10-Feb-2016 6:00am EST
Severity:Minor
Urgency:Expected
Certainty:Likely
Status:Actual
Type:Alert
Category:Met

Areas affected: Berks; Lehigh; Upper Bucks; Western Montgomery
 
Instructions: A winter weather advisory for snow means that periods of snow will cause travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. Report snow and ice accumulation to the national weather service by calling our trained spotter line, posting to the nws mount holly facebook page, or using twitter @nws_mountholly. Snowfall and ice accumulation forecast maps in addition to experimental probabilistic snowfall information for the latest event are available online at www.weather.gov/phi/winter

Message summary: ...accumulating snow expected across the region later tonight into wednesday...
.an area of low pressure will redevelop off the mid atlantic coast late tonight through tuesday. As this occurs, a surface trough will extend westward from it and this should be the main focus for heavier snowfall. The location of where this feature sets up will determine the axis of the heavier accumulating snowfall.
...winter weather advisory in effect from midnight tonight to 6 am est wednesday...
The national weather service in mount holly has issued a winter weather advisory, which is in effect from midnight tonight to 6 am est wednesday.
* snow accumulations...2 to 5 inches.
* timing...snow is expected to develop late this evening and overnight, then continue through tuesday night. The snow has the potential to fall at a moderate to heavy rate at times tuesday and tuesday night.
* impacts...accumulating snow will affect travel late tonight through tuesday night, including the rush hour commutes. The road conditions will likely deteriorate during times of heavier snowfall rates. Remember, bridges and other elevated surfaces tend to become slippery first.
* visibilities...one half mile or less at times.
* temperatures...dropping into the mid and upper 20s later tonight, then rising to around freezing for a time tuesday.
* winds...northeast 10 to 15 mph with gusts up to 25 mph.
...view the complete message

Icon Legend: Icon key
Source: NWS Watches, Warnings or Advisories for zone PAZ061

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METRIC | IMPERIAL
Updated: 08-Feb-2016 @ 5:50pm  
Temperature Current Conditions Forecast / Solar Field
Currently Outside: Colder 1.2°F than last hour.

37.3°F

Wind Chill:  37.3°F
Cold
High Today
40.4°F
2:40 PM
Low Today
30.1°F
12:01 AM
Yest High
44.5°F
2:22 PM
Yest Low
21.0°F
6:54 AM
Rec* High
59.0°F
1965
Rec* Low
-5.0°F
1935
* Records from Weather Underground
Dry Dry

Wind from ENE Wind:  ENE
1.0

Gusting to:
0.0 mph
Current Rain Rain:
0.00 in
Fire Weather Index: MINIMAL Current FWI:4
Fire Danger:
0.3 of 232
Tonight

Tonight: Snow, mainly after 10pm.  Low around 26. East wind 5 to 7 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Snow

Lo 26 °F
Tuesday

Tuesday: Snow.  High near 33. Northeast wind 5 to 8 mph becoming calm  in the afternoon.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Snow

Hi 33 °F
Tuesday
Night
Tuesday Night: Snow likely, mainly before midnight.  Cloudy, with a low around 27. Calm wind becoming west around 5 mph after midnight.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Snow Likely

Lo 27 °F
APCI Solar Field Facing SE
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.8°F since last hour. 25.8°F
Last Hour: Decreased 0.8°F since last hour. 0.8°F
High 11:56 AM: 29.7°F
Low 1:54 AM: 23.3°F
Record High: 79.5°F on
9/11/2013
Record Low: -19.8°F on
1/7/2014
Wetbulb: 33.4°F
Rain Today
rain graph

Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.96 in
Feb Rain: 0.96 in
Feb to Date
  Avg:10
0.47 in
Feb to Date
  Diff from Avg:10
Over 0.49 in for the month 0.49 in
Feb Avg: 2.66 in
Diff from Avg: Under 1.7 in for the month 1.70 in
Season:1 2.90 in
YTD
  Avg:11
3.52 in
YTD
  Diff from Avg:11
Under 0.62 in for the year 0.62 in
Last Rain
Time/Date:
2/5/2016
at 3:17 AM
10 rain days in 2016
3 days in February
3 days since last rain
Current: ENE  1.0 mph
1Hr Average: 3.5 mph
Wind Run: 58.86 miles
Wind Gust
Current: 0.0 mph
Today: 14.0 mph 11:56 AM
Month: 29.0 mph Feb-3
Year: 36.0 mph Jan-10
Record Gust: 54.1 mph
10/29/2012
Sunlight:
10 hrs 23 min
of Sunlight Today
graph 43.3% 56.7%
Which is
2 min 14 sec Longer
Than Yesterday
 
NEW MOON, 0 days, 8 hours, 12 minutes in cycle
0%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 63%
Last Hour: Increased 1% since last hour. 1%
High 12:16 AM: 82%
Low 2:47 PM: 61%
Record High: 98%
7/14/2014
Record Low: 2%
1/13/2015
Current: Rising 0.01  inHg/hr 29.732 inHg
Last Hour: Steady
High 12:00 AM: 29.915
Low 2:30 PM: 29.706
Record High: 30.874 inHg
2/28/2015
Record Low: 28.423 inHg
10/29/2012
Heating Degree Days Snow3 Wind Chill Air
Today: 14.5
Feb: 205.8
2016 to Date: 906.1
Cooling Degree Days
2016 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
Feb Snow: Under 10.157 in for the month 0.00 in
Feb Avg: 10.16 in
Diff from Avg: -10.16 in
Season Total:2 0.00 in
Snow Depth: 0.00 in
0 snow days in February
0 snow days this season.2
First Snow of Season:
None Yet!//
Average 1st Snow:
27 of Jan
Current: 37.3°F
Low 5:46 AM: 27.0°F
Yesterday: 19.9°F
Record: -24.5°F
1/7/2014
Quality
Index6:

39


Good
Density:
1.268 kg/m3
Current UV Index Current Solar Energy9
0.0
Sunburn in
N/A Minutes
Highest:
11:55 AM
2.2
0 W/m2
0%
W/m2 SI
High Today:
11:22 AM
598  W/m2 Record:1267 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Current: Afternoon
YTD Avg Temp: 30.8°F
Sunrise: 7:05 am
Sunset: 5:28 pm
Moonrise: 6:50 am
Moonset: 5:46 pm
Updated at Midnight
Current ET: 0.04 in
7-Days Rain: 0.96 in
7-Days ET: 0.20 in
7-Day:  0.756 in water in excess of what evaporated in last 7 days. 0.756 in
February:  0.76 in water in excess of what evaporated this month. 0.76 in
HIGHS: LOWS:
97.3°F
7/7/2012
-3.6°F
2/24/2015
Daytime Records
  94.5°F
2/06/2012
  2.7°F
1/07/2014
Nitetime Records
  83.3°F
7/18/2012
  2.1°F
1/04/2014
ICN:18 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.6 | RCP:100%
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.   4 Updated at Noon Central Time.   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 8 of just the month of February for this station since 2013.   11 Historical average rain this season to day 8 of February for this station since 2013.
 NWS Weather Forecast  -   Outlook Tonight & Tuesday
Tonight

Tonight: Snow, mainly after 10pm.  Low around 26. East wind 5 to 7 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Snow

Lo 26 °F
NWS forecast: Snow, mainly after 10pm. Low around 26. East wind 5 to 7 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Local station forecast: SNOW LIKELY. SNOW ACCUMULATION AROUND AN INCH. LOWS IN THE MID 20S. EAST WINDS AROUND 5 MPH. CHANCE OF SNOW 70 PERCENT.
Tuesday

Tuesday: Snow.  High near 33. Northeast wind 5 to 8 mph becoming calm  in the afternoon.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Snow

Hi 33 °F
NWS forecast: Snow. High near 33. Northeast wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
 NWS Short Term Weather Forecast
Tuesday
Night
Tuesday Night: Snow likely, mainly before midnight.  Cloudy, with a low around 27. Calm wind becoming west around 5 mph after midnight.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Snow Likely

Lo 27 °F
Wednesday

Wednesday: A chance of snow showers, mainly before noon.  Mostly cloudy, with a high near 35. West wind 6 to 10 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Chance Snow
Showers

Hi 35 °F
Wednesday
Night
Wednesday Night: A slight chance of snow showers.  Mostly cloudy, with a low around 20. West wind around 9 mph.  Chance of precipitation is 20%.
Slight Chance
Snow Showers

Lo 20 °F
Thursday

Thursday: Partly sunny, with a high near 28.
Partly Sunny

Hi 28 °F
Thursday
Night
Thursday Night: Partly cloudy, with a low around 11.
Partly Cloudy

Lo 11 °F
Friday

Friday: Mostly sunny, with a high near 26.
Mostly Sunny

Hi 26 °F
Friday
Night
Friday Night: Mostly cloudy, with a low around 14.
Mostly Cloudy

Lo 14 °F
Animated icons courtesy of www.meteotreviglio.com
Precipitation average-to-date script courtesy of Murry Conarroe
Version 6.93 - 01-May-2014 - Script Mods by: BurnsvilleWeatherLIVE.com


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