• November 2021 National Storm Summary

    From James Munley@21:1/5 to All on Mon Dec 20 16:54:50 2021

    NOVEMBER 2021

    1-6: Precipitation fell in a few areas, including parts of the Northeast, Northwest, and south-central U.S. Late in the week, a storm system produced heavy rain in much of Florida, but merely grazed the remainder of the southern Atlantic States. Rainfall
    totals exceeding 2 inches, accompanied by gusty winds, were common from Florida’s peninsula into southern South Carolina.
    Heavy precipitation that fell on October 24-25, monthly records were set in Western locations such as Kentfield, CA (20.37 inches; previously, 12.97 inches in 1962), and Reno, NV (3.14 inches; previously, 2.65 inches in 2010). Meanwhile, October ended on
    a stormy note in parts of New England, with daily-record totals being set on the 31st in Bangor, ME (2.88 inches), and Saint Johnsbury, VT (1.54 inches). In early November, snow showers downwind of the Great Lakes produced a daily-record total of 11.7
    inches on the 2nd in Gaylord, MI. It was also Gaylord’s highest November daily snowfall total of the 21st century, surpassing 10.7 inches on November 18, 2014. Mid-week showers in the south-central U.S. resulted in a daily-record sum for November 3 in
    Austin (Bergstrom), TX, where 2.03 inches fell. Elsewhere in Texas, Harlingen netted a daily-record total (1.28 inches) for November 4. The following day, heavy rain overspread Florida, where record-setting amounts for November 5 reached 5.44 inches in
    Daytona Beach, 3.26 inches in Tampa, 2.70 inches in Leesburg, and 2.46 inches in Orlando. For Daytona Beach, it was the wettest day since October 9, 2019, when 5.57 inches fell—and the wettest November day since November 25, 2014, when rainfall totaled
    6.22 inches. Along the southern Atlantic Coast, November 5-6 rainfall included 3.27 inches in Gainesville, FL, and 3.53 inches on Saint Simons Island, GA, with a northerly wind gust clocked to 43 mph in the latter location on the 6th. Early on November 7,
    just off the North Carolina coastline, a gust to 67 mph was reported at a buoy in Onslow Bay.
    7-13: Widespread but generally light precipitation fell across the eastern half of the country, especially during the second half of the week, with heavier rain (locally 1 to 2 inches or more) falling in the Northeast.
    In fact, little or no rain fell during the week in the southern Atlantic region and parts of the Mississippi Delta, while more than an inch fell in portions of Arkansas. Farther north, a late-week storm system delivered wind, rain, and snow across the
    upper Midwest and environs. Wind gusts exceeding 60 mph, accompanied by light snow, increased stress on livestock and caused temporary travel disruptions, especially in the eastern Dakotas and parts of Minnesota. Rainfall totaled an inch or more in
    several locations from the eastcentral Plains into the upper Great Lakes region.
    Mostly quiet weather early in the week was replaced by increasing Northwestern storminess. By November 9, daily-record totals included 0.36 inch in Burns, OR, and 0.34 inch in Twin Falls, ID. Later, Astoria, OR, collected a daily-record amount (2.61
    inches) for November 11. Astoria received measurable rain on each of the first 13 days of November, totaling 9.08 inches. Similarly, Quillayute, WA, reported a November 1-13 total of 10.87 inches, with rain falling each day. One of the Northwestern
    disturbances later evolved into an impressive upper Midwestern storm system. On November 11, International Falls, MN, reported daily records for precipitation and snowfall—1.30 and 4.5 inches, respectively—along with a wind gust to 42 mph. Peak wind
    gusts on the 11th were clocked to 78 mph in Buffalo, SD, and 71 mph in Valentine, NE. From November 11-13, South Dakota locations such as Watertown, Sisseton, and Huron reported peak wind gusts from 55 to 60 mph, along with 1.2 to 1.7 inches of snow.
    During the same period, Grand Forks, ND, received 5.2 inches of snow, along with a November 12 peak wind gust to 60 mph. Late in the week, heavy showers briefly swept across the Northeast, where daily-record amounts for November 12 included 1.94 inches
    in Williamsport, PA; 1.57 inches in Augusta, ME; and 1.40 inches in Syracuse, NY. Farther south, Cape Hatteras, NC, measured 4.18 inches, a record for the 12th. Marquette, MI, tied a daily record with 4.0 inches of snow on November 13.
    14-20: Early-week flooding struck parts of western Washington, while occasional precipitation spread as far inland as the northern Rockies and southward into northwestern California.
    During the first 16 days of November, measurable rain fell each day in locations such as Quillayute, WA, and Astoria, OR, totaling 19.09 and 9.84 inches, respectively. Quillayute also netted a daily record rainfall (4.01 inches) for November 15.
    Significant flooding occurred along the Skagit River, where the gauge near Mount Vernon, WA, was destroyed by debris. However, supplemental data indicated that the Skagit River near Mount Vernon crested at least 8.81 feet above flood stage on November 15,
    representing the highest water level since November 30, 1995. Farther upstream, the Skagit River near Concrete, WA, also crested on November 15, rising 10.93 feet above flood stage to achieve its highest level since November 6, 2006. Near La Push, WA, a
    record crest (7.93 feet above flood stage) was established along the Bogachiel River (previously, 5.64 feet on November 6, 2006). Finally, the Nooksack River at Ferndale sections of the Rockies and Plains. On November 15, wind gusts were clocked to 63
    mph in Pullman, WA; 62 mph in Spokane, WA; and 61 mph in Coeur d’Alene, ID. The following day, Glasgow, MT, set a monthly record with a gust to 69 mph (previously, 68 mph on November 13, 2007). Elsewhere in Montana, November 16 peak gusts included 87
    mph in Cut Bank; 76 mph in Jordan; and 63 mph in Helena. On the same date in neighboring Wyoming, gusts reached 82 mph in Buffalo and 67 mph in Lander. However, only small precipitation amounts occurred across the interior Northwest, with Riverton, WY,
    still awaiting its first November rain or snow. In the Colorado Rockies, the 147-acre Kruger Rock Fire was sparked on November 16 when high winds downed a tree which struck a power line; by week’s end, the fire was fully contained. Meanwhile,
    occasional snow showers accompanied surges of cool air downwind of the Great Lakes. From November 13-15, snowfall in Marquette, MI, totaled 9.1 inches. Elsewhere, scattered, mid- to late-week showers occurred generally along and east of a line from
    southern Texas to the lower Great Lakes region. On November 18, Brownsville, TX, collected a daily record rainfall of 2.25 inches. A few heavier showers also dotted Florida, where Daytona Beach measured a daily-record sum (0.55 inch) for November 18.
    Record-setting warmth lingered early in the week across southern California. Extremely cold weather continued to grip the Alaskan mainland, while mild, wet weather covered the southeastern part of the state. On November 24 in southeastern Alaska, Ketchikan received rainfall totaling 2.75 inches and clocked a peak wind gust to 56
    mph. However, for the second week in a row, temperatures averaged 20 to 30°F below normal in southwestern Alaska. King Salmon reported sub-zero minimum temperatures each day starting November 11, along with a daily-record low of -22°F on November 23.
    Dailyrecord lows were established on November 27 in Kotzebue (-27°F) and Kodiak (5°F). The cold spell further deepened by the morning of the 28th, when King Salmon’s low of -28°F tied a monthly record previously set on November 28, 1917, and
    November 22, 1988. Elsewhere on the 28th, Kotzebue (-31°F) reported its lowest November reading since November 15, 1956, when it was -32°F. Farther south, warm, mostly dry conditions dominated Hawaii. Honolulu, Oahu, posted daily record-tying highs of
    87°F on November 23 and 25. With dry weather in place, Kahului, Maui, collected a daily record-tying low of 60°F on the 25th. Through November 27, month-to-date rainfall at the state’s major airport observation sites ranged from 0.04 inch (3 percent
    of normal) in Kahului to 3.41 inches (26 percent) in Hilo, on the Big Island.

    21-27: Soggy conditions persisted in western Washington, following mid-November flooding. Elsewhere, snow blanketed parts of northern New England, with nearly 6 inches falling on November 26 in Caribou, ME.
    As the week began, spotty downpours lingered along Florida’s east coast, where Fort Pierce tallied a daily-record sum (4.41 inches) for November 21. Early-week showers also dotted Deep South Texas, resulting in a record-setting total (2.11 inches) for
    November 22 in McAllen. Another round of rain arrived in the western Gulf Coast region on Thanksgiving Day, November 25, when Houston, TX, netted a daily-record total of 1.87 inches—the first measurable amount in that location since November 11.
    Meanwhile, periodic heavy rain continued to affect the western Washington, where dailyrecord totals for the 25th included 3.16 inches in Quillayute and 1.43 inches in Bellingham. Through the 27th, Bellingham’s month-todate rainfall climbed to 11.64
    inches (248 percent of normal), surpassing the November 1990 record of 11.60 inches. In contrast, the November 1-27 period featured no measurable precipitation in locations such as San Diego, CA; Phoenix, AZ; Cedar City, UT; Las Vegas, NV; Roswell, NM;
    and Amarillo and Midland, TX. San Diego last received no measurable rainfall during November in 1980. In Cedar City, this year would mark only the second November on record—along with 2006—without measurable precipitation.

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