Hurricanes and Tornadoes That Hit Westover, MD

The nearest NOAA station with 1991–2020 climate normals is Salisbury, MD, 25 miles northeast of Westover at 10 feet. July is the warmest, with an average high of 89°F and low of 70°F; January is the coolest, at 47°F and 29°F. August is the wettest at 5.3 inches of precipitation on average and February the driest at 3.2 inches; the year adds up to 48.0 inches over 77 days with at least a tenth of an inch. June to November, the hurricane season months, bring 54% of the year's precipitation (26.0 of 48.0 inches); the other six months are drier. September has brought the most of the 62 tropical systems that passed within 75 miles (23); a normal September there has highs of 81°F and 4.3 inches of precipitation. Highs reach 90°F on about 31 days a year, almost all from May to September. Lows fall below freezing on about 71 nights a year. That 48.0 inches is more than at 34 of the 41 Maryland stations used on this site (83%). Crisfield, 8 miles south, has its own station (Wallops Island Flight Fac, VA): 43.3 inches a year, 4.7 less than here, and a July average high of 86°F against 89°F.

Water temperature at the NOAA tide station Bishops Head, MD, 12 miles northwest, averaged 84°F in July and 39°F in January over 2021–2025. It averaged 80°F or warmer from July to August. Sea level at the Lewisetta tide gauge, 32 miles from Westover, has risen 2.34 ± 0.11 inches per decade from 1970 to 2025, NOAA's linear trend; at that pace it is 23.4 inches in a hundred years. That is faster than at 130 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 64 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Westover: 47 thunderstorm wind reports, 11 heavy rain events, 4 flash floods and 2 floods. None is recorded as killing or injuring anyone; the NWS estimated $283,000 in property and crop damage. The strongest thunderstorm gust on record here was 69 mph, on July 1, 2016.

Flood insurance policyholders in Westover's ZIP code 21871 have filed 94 claims with the National Flood Insurance Program since 1984, and were paid $1.0 million for buildings and contents, in the dollars of each year. The most came from Hurricane Sandy in 2012: 52 claims (55% of all) and $796,000, then Hurricane Isabel in 2003 with 11. 76% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 150 Maryland cities on this site with 10 or more claims, 108 have fewer than Westover.