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LEHIGH COUNTY
National Weather Service -
icon HAZARDOUS WEATHER OUTLOOK
Lehigh County
Issued - September 2 2014 3:34 pm EDT
Update - September 2, 2014 9:58pm EDT
Expires - September 3 3:45pm EDT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
334 PM EDT TUE SEP 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW
JERSEY...NORTHWEST NEW JERSEY...EAST CENTRAL
PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA.

• DAY ONE...THIS AFTERNOON AND TONIGHT.

THUNDERSTORMS MAY HAVE WIND GUSTS UP TO 40 MPH THROUGH EARLY THIS
EVENING.

• DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

• SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.


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METRIC | IMPERIAL
Updated: 02-Sep-2014 @ 10:00pm  
Temperature Current Conditions Forecast / Solar Field
Currently Outside: Colder 1.2°F than last hour.

74.1°F

Heat Index:  74.1°F
Comfortable
High Today
88.9°F
3:54 PM
Low Today
70.4°F
4:54 AM
Yest High
85.7°F
4:24 PM
Yest Low
70.2°F
6:38 AM
Rec* High
99.0°F
1953
Rec* Low
44.0°F
1949
* Records from Weather Underground
<!-- fixupCondition in='Night time/Dry/Clear skies ' out='Night time, Dry, Clear skies' ocnt='3' --><!-- vals split on slash -->
Night time, Dry, Clear skies Night time, Dry, Clear skies

Wind from WSW Wind:  WSW
6.2

Gusting to:
5 mph
Current Rain Rain:
0.01 in
Fire Weather Index: MINIMAL Current FWI:4
Fire Danger:
4.9 of 232
Tonight

Scattered T-Storms. Chance for Measurable Precipitation 50%
Scattered
T-Storms
Lo 65 °F
Wednesday

Sunny
Sunny

Hi 84 °F
Wednesday
Night

Clear
Clear

Lo 59 °F
APCI Solar Field Facing SE
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 1.6°F since last hour. 67.2°F
Last Hour: Decreased 1.6°F since last hour. 1.6°F
High 11:00 AM: 73.3°F
Low 9:37 PM: 67.1°F
Record High: 77.7°F on
9/11/2013
Record Low: -16.0°F on
1/7/2014
Wetbulb: 69.6°F
Rain Today
rain graph

Today: 0.01 in
Yesterday: 0.01 in
Last 7 Days: 0.16 in
Sep Rain: 0.02 in
Sep to Date
  Avg:10
0.39 in
Sep to Date
  Diff from Avg:10
Under 0.37 in for the month 0.37 in
Sep Avg: 4.71 in
Diff from Avg: Under 4.69 in for the month 4.69 in
Season:1 36.19 in
YTD
  Avg:11
30.55 in
YTD
  Diff from Avg:11
Over 5.64 in for the year 5.64 in
Last Rain
Time/Date:
09/02/2014
at 7:54 PM
93 rain days in 2014
2 days in September
0 days since last rain
Current: WSW  6.2 mph
1Hr Average: 5.3 mph
Wind Run: 56.73 miles
Wind Gust
Current: 5 mph mph
Today: 16 mph 3:08 PM
Month: 16 mph Sep-2
Year: 49 mph May-24
Record Gust: 66 mph
1/24/2013
Sunlight:
13 hrs 0 min
of Sunlight Today
graph 54.2% 45.8%
Which is
2 min 35 sec Shorter
Than Yesterday
 
Waxing Gibbous, 8 days, 11 hours, 51 minutes in cycle
57%
Illuminated
Humidity Barometer
Current: Decreased 1% since last hour. 79%
Last Hour: Decreased 1% since last hour. 1%
High 4:33 AM: 95%
Low 2:42 PM: 53%
Record High: 100%
8/25/2011
Record Low: 13%
4/21/2014
Current: Rising 0.02  inHg/hr 29.865 inHg
Last Hour: Steady
High 10:36 AM: 29.948 in.
Low 7:37 PM: 29.807 in.
Record High: 30.865 inHg
10/9/2013
Record Low: 28.440 inHg
10/29/2012
Cooling Degree Days Snow3 Heat Index Air
Today: 9.1
Sep: 21.2
2014 to Date: 672.6
Heating Degree Days
2014 to Date: 3900.0
Today: 0.00 in
Yesterday: 0.00 in
Sep Snow: No Change 0.00 in
Sep Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 0.00 in
Snow Depth: 0.00 in
0 snow days in September
0 snow days this season.2
First Snow of Season:
//
Average 1st Snow:
Current: 74.1°F
High 3:53pm: 94.5°F
Yesterday: 92.0°F
Record: 115.7°F
7/22/2011
Quality
Index6:

66


Moderate
Density:
1.178 kg/m3
UV Summary/Forecast Solar Summary
High Today:   7.6 @ 12:43 PM
Sep-03

7.3
Sep-04

6.7
Sep-05

7.1
High Today:  
993 W/m2 @ 1:40 PM
Sun Hours Today:
07:44
   This Month: 10:48 Hrs
Rise: 6:31 AM  Set: 7:31 PM
Almanac Irrigation Index5 Station All Time Records Cloud Level
Current: Evening
YTD Avg Temp: 51.7°F
Sunrise: 6:31 AM
Sunset: 7:31 PM
Moonrise: 3:12 PM
Moonset: 12:18 AM
Full Moon: 9/9/2014
New Moon: 06:14 UTC
9/24/2014
Updated at Midnight
Current ET: 0.21 in
7-Days Rain: 0.16 in
7-Days ET: 1.00 in
7-Day:  0.837 in water in deficit of what evaporated in last 7 days. 0.837 in
September:  0.1 in water in deficit of what evaporated this month. 0.1 in
HIGHS: LOWS:
103.3°F
7/22/2011
-1.7°F
1/4/2014
Daytime Records
  94.8°F
7/07/2012
  4.3°F
1/07/2014
Nitetime Records
  83.3°F
7/18/2012
  3.2°F
1/04/2014
ICN:1 | 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.   10 Historical average only to day 2 of just the month of September for this station since 2013.   11 Historical average rain this season to day 2 of September for this station since 2013.
 NWS Weather Forecast  -   Outlook Tonight & Wednesday
Tonight

Scattered T-Storms. Chance for Measurable Precipitation 50%
Scattered
T-Storms
Lo 65 °F
NWS forecast: Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Mostly cloudy, with a low around 65. West wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Local station forecast: MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS LATE THIS EVENING...THEN PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE MID 60S. WEST WINDS 5 TO 10 MPH.CHANCE OF RAIN 50 PERCENT.
Wednesday

Sunny
Sunny

Hi 84 °F
NWS forecast: Sunny, with a high near 84. Northwest wind 3 to 7 mph.
 NWS Short Term Weather Forecast
Wednesday
Night

Clear
Clear

Lo 59 °F
Thursday

Sunny
Sunny

Hi 87 °F
Thursday
Night

Mostly Clear
Mostly
Clear
Lo 62 °F
Friday

Slight Chc T-Storms. Chance for Measurable Precipitation 20%
Slight Chc
T-Storms
Hi 88 °F
Friday
Night

Chance T-Storms. Chance for Measurable Precipitation 30%
Chance
T-Storms
Lo 67 °F
Saturday

Chance T-Storms. Chance for Measurable Precipitation 50%
Chance
T-Storms
Hi 85 °F
Saturday
Night

Chance T-Storms. Chance for Measurable Precipitation 30%
Chance
T-Storms
Lo 61 °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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