Sunday Weather : Blazing Heat & Severe T-Storm Threat

Many people have outdoor activities planned for Sunday, but those plans will have to factor in both heat and humidity, as well as the threat for Severe T-Storms…

Before we get into the severe threat… The Hudson Valley is on the final day of a 6 day heat wave.  In Poughkeepsie, we’ve seen 5 straight days of 90°+ temperatures beginning on Tuesday. (92°, 94°, 94°, 92° and a high of 92° on Saturday).  Sunday we’ll see one more day of scorching heat and humidity across the Hudson Valley.

Highs on Sunday in the low to mid 90s… and the thick humidity will make those temperatures feel more like the mid to upper 90s, and in a few cases, the low 100s.  As with the past 5 days, please take precautions if you’re going to be outside for extended periods.

But relief is on the way for the Hudson Valley, as a cold front will push through the region late Sunday and Sunday night.  The downside, is that also involves the increasing threat of severe weather.

Futurecast Radar Loop: 1pm to 4pm Sunday

Showers and T-Storms are expected to develop along the frontal boundary, and spread eastward as the front approaches.  The Hudson Valley is in the “Slight Risk” for severe weather (as of late Saturday night).  This means that the chances for a severe T-Storm occurring within 30 miles of your location are between 15% and 30%.

The exact timing on the T-Storms may be fine tuned Sunday morning.  But the general threat extends from 3pm to 9pm… with the highest threat in the valley likely running between 4pm and 7pm.  The primary threat is for potentially damaging wind gusts over 50mph, but an isolated tornado or hail can’t be ruled out.  You’ll want to keep alert to the conditions in your area… as early indications are that there is a high potential for severe supercells to develop.

This graphic shows the likelihood of supercell development, and those supercell storms can contain severe weather.  The highest potential is to our east… in New England (Massachusetts, Vermont & New Hampshire).  The values of 15 to 20, indicate a very high potential for severe supercell development… but values between 5 and 10 in the Hudson Valley (even some locally higher values) mean that we need to be alert as well.  This map suggests that the potential for strong to severe storm development.

A very busy Sunday on tap… be sure to monitor the conditions in your area, and check for storm alerts.  The good news though… is if we can make it through Sunday… these are the high temperatures waiting for us on Monday (highs in the upper 70s to low 80s).

Have a great Sunday, Hudson Valley!
-Bill

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