Whitinsville, MA EF1 Tornado of July 26, 2018

Figure 1 depicts the surface observations at 11:00 pm EDT, which shows an approaching cold front with warm/humid air in place across Massachusetts. This front triggered thunderstorms across the state in the early morning hours of July 26th, which ultimately led to two EF1 tornadoes.

Figure 1. Surface analysis at 03Z on July 26, 2018 showing mean sea-level pressure (MSLP) contours, surface observations, fronts and pressure centers (WPC, 2017)

The Whitinsville, MA EF1 tornado of July 26, 2018 impacted Worcester County in Massachusetts. According to NOAA (2020), the EF1 tornado caused no fatalities or injuries, but caused $25 thousand dollars in property damage. The tornado touched down near Maple Street at 2:32 am EDT. The tornado travelled for 4.4 miles and had a maximum width of 200 yards.

Figure 2. Episode narrative for July 26, 2018 (NOAA NCEI, 2020).


NWS Weather Prediction Center Surface Analysis Archive. (2017). Surface analysis 03Z Thu Jul 26 2018. Retrieved from: https://www.wpc.ncep.noaa.gov/archives/web_pages/sfc/sfc_archive.php

NOAA National Centers for Environmental Information (2020). Storm Events Database. Retrieved from: https://www.ncdc.noaa.gov/stormevents/

National Centers for Environmental Information reports:

At 132 AM EST, a tornado touched down near Maple Street in East Douglas and moved northeast through extreme northwest Uxbridge to southern Northbridge, where it lifted near Northbridge Middle School. The tornado was on the ground for 4.4 miles. The path width reached a maximum of 200 yards in East Douglas. Wind speeds were estimated at 100 mph. The tornado was an EF-1 in East Douglas, and then an EF-0 in Uxbridge and Northbridge.