More severe weather this week, including possible tornado activity Wednesday

SEVERE WEATHER POTENTIAL ALERT: The National Weather Service (NWS) is alerting to the potential for severe weather again this week in the Western Southern Tier of New York, including Allegany County, with the possibility of tornado activity on Wednesday in front of a cold front moving through from the central part of the United States.

Be Aware. Be Prepared. Stay Safe.TM and continue to monitor for updates which could include an elevation to a higher level of alert. Let family members and friends know about this severe weather potential.

Secure loose objects, keep cell phones charged and be prepared for potential power outages and travel restrictions due to downed trees and power lines.

The NWS Storm Prediction Center currently has placed Western and part of Central New York, along with adjoining counties of Pennsylvania, at a Slight Risk of severe weather Wednesday, which is the second level on a five-stage scale.

It indicates, however, that this designation may be elevated to an Enhanced Risk as the cold front approaches. Both levels have varying degrees of potential tornado activity associated with them, as shown on the chart below this story.

Forecast for the start of the week
The morning today will start out with partly sunny skies, with warming temperatures through mid-week, which could near or reach above 70 by Wednesday, according to forecasters, with showers and rain beginning in early evening and having various degrees of potential through Thursday morning.

— The NWS at Buffalo currently is alerting that:
Strong to severe thunderstorms will be possible Wednesday and Wednesday night. While the main severe weather threat will be straight line damaging winds and localized heavy rain…there will be a non-zero potential for isolated tornadoes…mainly across the
western Southern Tier.

— The NWS at State College, Pa., which forecasts for Potter and McKean counties, reports that:
Severe thunderstorms are possible across the northwest Alleghenies Wednesday. The severe thunderstorm threat may include an organizing line or cluster posing a conditional risk of damaging wind gusts and a tornado.

Wednesday’s current weather timing projections
On Wednesday, NWS Buffalo forecasters currently are projecting that “a pre-frontal trough will cross the forecast area between mid morning and early afternoon. This feature will generate fairly widespread showers and possibly some thunderstorms. Given the presence of the strong low level jet … gusty storms cannot be ruled out,” with potential for heavy rain.

After a break of several hours, they say, stronger storms will move ahead and along the actual cold front later in the afternoon and Wednesday evening.

More detail for the region
Additional information, including winds and precipitation timing for specific locations in Allegany and each adjoining county, provided by three different National Weather Service (NWS) forecast centers, is available through our exclusive Weather Resources page links at or by using the link in the left column of this page.

Forecasts for the coming week also are provided in this resource.

Ongoing weather preparedness information
Allegany Hope is a Weather-Ready Nation AmbassadorTM and provides adverse weather and other emergency preparedness information on this website and on our new group Allegany Hope WNY Community News Facebook page at

“Like” and “Share” this website and that page, along with applicable posts, with family members and friends to help keep them informed about what is happening in Allegany County and beyond.

Emergency alerts reporting should not be considered a substitute for immediate weather alert radio or portable instant warning devices.

As always, we are seeking volunteers who have an interest in weather and other types of disaster preparedness to expand our coverage and community education. For further information, contact us at or (484) 435-0503.