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Winter Weather Advisory WINTER WEATHER ADVISORY - NW Suffolk  - SW Suffolk  - NE Suffolk  - SE Suffolk  - Suffolk  - Nassau

Regional Radar Regional Visible Satellite
Radar/Satellite images courtesy of Weather Underground and NOAA.
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METRIC | IMPERIAL
Updated: 02/20/2019 @ 4:15 am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: No Change

24.6°F

Wind Chill:  24.6°F
---
High Today
26.1°F
12:00 AM 		Low Today
24.3°F
3:31 AM
Yest High
34.9°F
3:49 PM 		Yest Low
21.4°F
7:01 AM
Rec* High
64.0°F
2018 		Rec* Low
2.0°F
2015
* Records from Weather Underground
mostly clear - mist mostly clear - mist

Wind from N Wind:  N
4.0
Gusting to:
 0.9 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
4.2 of 100
Rest of
tonight
Partly Cloudy Cold!
Partly Cloudy
Cold! 		Wednesday

Mix
Mix 		Wednesday
night
Mix
Mix
Low: 20° High: 34° Low: 29°

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 1.9°F since last hour. 13.8°F
Last Hour: Increased 1.9°F since last hour. 1.9°F
High 4:11 AM: 14.7°F
Low 12:54 AM: 10.7°F
Record High: 82.4°F on
Aug-13-2016
Record Low: -14.1°F on
Feb-13-2016
Wetbulb: 21.7°F
Rain Today
rain graph
Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.46 in
Feb Rain: 1.41 in
Feb Avg: 2.98 in
Diff from Avg: Under 1.57 in for the month 1.57 in
Season:1 5.18 in
Last YTD:1 7.19 in
Last Rain
Time/Date: 		Feb-18-2019
at 11:46 AM
16 rain days in 2019
6 days in February
1 day since last rain
Current: N  4.0 mph
1Hr Average: 2.4 mph
Wind Run: 10.77 miles
Wind Gust
Current: 0.9 mph mph
Today: 10.1 mph 1:47 AM
Month: 32.0 mph Feb-8
Year: 34.5 mph Jan-24
Record Gust: 48.3 mph
Jan-23-2016
Sunlight:
10 hrs 53 min
of Sunlight Today
 graph 45.3% 54.7%
Which is
2 min 36 sec Longer
Than Yesterday
 
Morning Crescent, 15 days, 12 hours, 14 minutes in cycle
9%
Illuminated
Humidity Barometer
Current: Increased 5% since last hour. 63%
Last Hour: Increased 5% since last hour. 5%
High 4:11 AM: 65%
Low 12:54 AM: 53%
Record High: 100%
Aug-27-2013
Record Low: 0%
Jan-26-2015
Current: No Change 30.608 inHg
Last Hour: Steady
High 3:21 AM: 30.611 in.
Low 12:24 AM: 30.578 in.
Record High: 30.832 inHg
Feb-13-2018
Record Low: 28.919 inHg
Mar-14-2017
Heating Degree Days Snow3 Wind Chill Air
Today: 6.5
Feb: 602.3
2019 to Date: 1646.8
Cooling Degree Days
2019 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
Feb Snow: Under 8.465 in for the month 0.00 in
Feb Avg: 8.46 in
Diff from Avg: -8.46 in
Season Total:2 3.80 in
Snow Depth: 0.00 in
0 snow days in February
1 snow day this season.2
First Snow of Season:
Nov-15-2018
Average 1st Snow:
14 of Dec
Current: 24.6°F
Low 1:47 AM: 15.4°F
Yesterday: 10.2°F
Record: -23.4°F
Feb-14-2016
Data Not
Available

Data Not Available
Density:
1.34 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   3.0 @ 11:58 AM
Feb-20

3.4 		Feb-21

3.5 		Feb-22

3.4
High Yest:   682.0 @ 12:31 PM
Sun Hours Today:
00:00
   This Month: 89:35 Hrs
Rise: 6:39 am  Set: 5:32 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 32.1°F
Sunrise: 6:39 am
Sunset: 5:32 pm
Moonrise: 5:48 pm
Moonset: 7:32 am
Full Moon: Feb-19-2019
New Moon: 16:05 UTC
Mar-6-2019
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 0.46 in
7-Days ET: 0.32 in
7-Day: 0.146 in water in excess of what evaporated in last 7 days. 0.146 in
February: 0.67 in water in excess of what evaporated this month. 0.67 in
HIGHS: LOWS:
98.4°F
Jul-1-2018 		-2.0°F
Feb-14-2016
Daytime Records
  93.2°F
Jul-23-2016 		  6.3°F
Feb-14-2016
Nitetime Records
  79.5°F
Aug-14-2016 		  3.4°F
Feb-14-2016
ICN:10 | S3C2:1 | Ajax 3.xx
ISS:Ok |
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Updated at 7:00 AM Daily..   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 Source: New York State Department of Environmental Conservation.  
  Weather Forecast  -   Outlook Rest of tonight & Wednesday
Rest of
tonight
Partly Cloudy Cold!
Partly Cloudy
Cold!
Low: 20° 		WXSIM forecast: Partly cloudy. Low 20°. Wind chill ranging from 14 to 20. Wind north around 5 mph.
 Wednesday

Mix
Mix
High: 34° 		WXSIM forecast: Mostly cloudy to cloudy in the morning, becoming dense overcast in the afternoon. A chance of snow in the morning, then a mix of snow and sleet likely in the afternoon. High 34°. Wind northeast around 4 mph in the morning, becoming southeast in the afternoon. Chance of precipitation 60 percent. Precipitation (liquid equivalent) mostly around a quarter of an inch. Snow or ice (on ground) accumulation about an inch.
  Short Term Weather Forecast
Wednesday
night
Mix
Mix 		Thursday

Fog a.m.
Fog a.m. 		Thursday
night
Partly Cloudy
Partly Cloudy 		Friday

Partly Cloudy
Partly Cloudy 		Friday
night
Mostly Cloudy
Mostly Cloudy 		Saturday

Mostly Cloudy
Mostly Cloudy 		Saturday
night
Rain likely
Rain likely
Low: 29° High: 53° Low: 31° High: 46° Low: 28° High: 46° Low: 38°