Weather Outlook – July 20, 2017

NOAA Northeast Regional Climate Center, Cornell University

Last week temperatures ranged from 2 degrees below-normal to 3 degrees above-normal. Precipitation ranged from a quarter inch to over 3.5 inches. Base 50 growing degree-days ranged from 90 to 170.

Severe storms with heavy rain and strong winds possible Thursday afternoon into evening. Dry Friday into Saturday before unsettled weather returns…

Today temperatures will be throughout the 80’s, with low 90’s possible in southeast NY. Isolated showers and thunderstorms are possible, more likely for western into central NY. Some storms could be severe with the threat of heavy rain, damaging winds and hail. Flooding is possible where heavy rain falls due to the wet conditions. Overnight lows will be in the 60’s.

Friday will be mostly sunny and dry with temperatures again in the 80’s. Overnight temperatures will be in the upper 50’s to mid 60’s.

Saturday’s highs will be in the mid 70’s to low 80’s, with cloudy conditions and evening showers and thunderstorms possible. Overnight temperatures will be in the 60’s.

Sunday, highs will be in the mid 70’s to low 80’s with scattered showers and thunderstorms likely. Overnight temperatures will be in the 60’s.

Monday’s highs will be in the 70’s to low 80’s with scattered showers and thunderstorms likely. Lows will be in the upper 50’s to mid 60’s.

Tuesday will have temperatures in the upper 60’s to low 80’s with scattered showers and thunderstorms possible.  Lows will be in the upper 50’s to mid 60’s.

Wednesday, temperatures will be in the mid 70’s to low 80’s with scattered showers and thunderstorms possible.  Lows will be in the mid 50’s to low 60’s.

The seven-day precipitation amounts will range from ½” to 2”.

The 8-14 day outlook (July 27-Aug 2) favors below-normal temperatures and above-normal precipitation.

Maps of 8-14 day outlooks:
http://www.cpc.ncep.noaa.gov/products/predictions/814day/index.php

National Weather Service watch/warnings map:
http://www.weather.gov/erh/

US Drought Monitor
http://droughtmonitor.unl.edu/Home.aspx

CLIMOD2 (NRCC data interface):
http://climodtest.nrcc.cornell.edu

 

 

Print Friendly, PDF & Email