Strong thunderstorm winds accounted for about 85 percent (3,256 of 3,843) of the severe weather reports and caused at least 10 fatalities and 34 injuries across the region. In Puerto Rico, moderate drought developed in mid-May and continued to intensify and expand in coverage through the early summer. WebThe percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures ( 32F) in the year (the calendar year in average or The tornado, the first of the year in New England, snapped and uprooted trees. Use this map to understand where, county by county, monthly averages are significantly below or above historical average. Fire risk was elevated in the region this summer and fall. The winds caused water levels to rise significantly along Lake Eries eastern shoreline, resulting in flooding near Erie, Pennsylvania, and Buffalo, New York. The five warmest years on record have all occurred since 2012. This EF-4 tornado, with a path length of more than 24 miles (39 km) and a maximum path width of 1,300 yards (1,189 meters), damaged and destroyed many residences, including mobile and single-family homes. On April 13th, the strongest tornado of the year across the Southeast region occurred in Hampton County, SC. Almost the entire Northeast saw below-normal snowfall during spring and the snow season (October through May). Several notable widespread wind events occurred in the Northeast this year. More than 2.5 million customers lost power, making it one of the largest storm-related outages for two energy companies. Population by These conditions both improved and deteriorated through winter and into spring, with the total area experiencing at least abnormally dry conditions decreasing but the total area experiencing extreme drought conditions increasing, with a small area of exceptional drought conditions developing. Early on December 25th, snow flurries were reported as far south as Charleston International Airport, SC, which is only its second trace of snowfall on Christmas Day since 1938. Two-day snowfall totals ranked as the largest on record for any month at Binghamton, New York, which saw 40.0 inches (101.6 cm) of snow, and Williamsport, Pennsylvania, which picked up 24.7 inches (62.7 cm). average or In fact, according to the National Weather Service, it was the latest occurrence of snow on record for the New York City area climate sites, which saw a trace. From November 8th through the 12th, Tropical Storm Eta produced 5 to more than 10 inches (127 to more than 254 mm) of rainfall across portions of west-central and southern Florida. The Midwest was completely free of drought from January through May of 2020. A total of 85 long-term stations across the region, with at least five located in every state, observed annual precipitation totals that were ranked within their five highest values on record. The 2020 annual precipitation totals indicate that precipitation for the year was above normal for much of the Southern Region, with Tennessee experiencing its sixth-wettest year on record while the region as a whole received an average annual precipitation total of 328.59 inches (8346.19 mm), making it the eleventh-wettest year on record. Most of the contiguous U.S. experienced above-average temperatures during 2020. The persistence of nighttime warmth was exceptional for many locations across the region, particularly in Florida. Dropping to 16 degrees F (-8.9 degrees C) on December 26th, Greensboro, NC (19032020) ended its longest streak of 694 consecutive days with a daily minimum temperature at or above 20 degrees F (-6.7 degrees C), surpassing the previous record by 277 days. Flooding and flash flooding caused fatalities in the Midwest. The seven other states ranked between 13th and 26th in their respective histories. Roanoke, VA (19122020) reported 8.32 inches (211 mm) of rainfall during this event, which is its fourth wettest 3-day rainfall total for any month on record. Although the threshold for what is considered extreme weather differs across research and government organizations, we used a standardized baseline to classify approximately 95% of 20th century events as average. In many fields in southern Alabama, Hurricane Sally blew down the cotton crop when bolls had yet to open. In addition, snow fell across portions of West Virginia, western Maryland, western Pennsylvania, and western New York. Conversely, Oklahoma had the fewest tornado reports (31), Tennessee had the fewest hail reports (60), and Louisiana had the fewest wind reports (256). The dryness extended to the east side of the Sierra Nevada into the Great Basin; Reno, Nevada saw its second driest year since 1938 with 2.72 in (69.09 mm, 37% of normal). Peanuts in the Florida Panhandle were unable to be dug due to rainfall from Sally, and farmers noted that fungal disease and rotting would affect the quality of the harvest. lived in counties with wetter, Burn bans were enacted in several locations. Drought conditions expanded in coverage and intensified rapidly over the next month, with moderate-to-severe drought covering 83 percent of Florida by mid-April. In addition, Augusta, GA (18712020) observed only its second trace of snowfall on Christmas Day since records began 149 years ago. This ranked as the 37th wettest in history since 1895. Across the region, there were hundreds of closed roads, stranded vehicles, water rescues, and buildings affected by flooding. On January 11th, a thunderstorm wind gust of 75 mph (34 m/s) in Greene County, AL blew a very large tree down onto the water main in Forkland, and many thousands of gallons of water spilled out of the water tower. The average amount of annual precipitation is: 9 inches (229 mm) Weather Forecasts for St. George (Utah) Show in Celsius Sat Feb 25 61F | 37F E 13 mph 0.10 inches Meanwhile, Bismarck, ND had its second wettest year in 2019, followed by its third driest in 2020 (period of record 1874-2021). Precipitation received across Alaska during 2020 varied by region with the eastern interior regions, portions of the Panhandle and Bristol Bay receiving above-average precipitation. UDOT exceeds annual $24M budget on snow removal, plowing by: Kayla Baggerly. Four states (Indiana, Kentucky, Missouri, and Ohio) have had six straight years above normal while the other five states, and the region as a whole, were below normal in 2019. Based on NOAA's Residential Energy Demand Temperature Index (REDTI), the contiguous U.S. temperature-related energy demand for 2020 was 31 percent of average and the 7th lowest value in the 126-year period of record. Utah Portland, Maine, recorded six days this August with a high of at least 90 degrees F (32 degrees C), tying its August record. Thundersnow and snowfall rates of 2 to 3 inches (5 to 8 cm) per hour were reported in central New York, where several roads were shut down due to accidents. Warm conditions continued into March, but, overall, spring temperatures were below normal due to cooler conditions in April and May. Preliminary damage estimates in Delaware exceeded $20 million. There were road closures, cars trapped in floodwaters, and water rescues. The greatest storm snow totals approached 21 inches (53 cm). For instance, in late September, topsoil and subsoil were very dry for 80 to 100 percent of Maine, New Hampshire, and Rhode Island. The coldest temperature observed during the year was -4 degrees F (-20 degrees C), which was recorded on Mt. Utah's annual BestPlaces Comfort Index of 7.1 (10=best) indicates it is about average compared to other states in the United States. Further east, in Californias Central Valley, Sacramento received 7.86 in (199.64 mm, 39% of normal) making it the fifth driest year since 1878. Portions of Delaware, southeastern Pennsylvania, and New Jersey also saw damaging severe thunderstorms. In late May, Scranton, Pennsylvania, and Burlington, Vermont, set/tied their hottest May day on record. Numerous roads in the urbanized corridor of southeastern Florida became impassable due to flooding, with many reports of stalled or submerged vehicles. Tropical Storm Isaias, the Atlantic Oceans earliest "I" named tropical system on record, produced extreme rainfall, tornadoes, and damaging winds in the Northeast on August 4. A climate graph showing rainfall, temperatures and normals. The Northeast had its third warmest year on record with an average temperature of 49.5 degrees F (9.7 degrees C), 2.2 degrees F (1.2 degrees C) above normal. 2020 also marks the sixth consecutive year (2015-20) in which 10 or more separate billion-dollar disaster events have impacted the U.S. In Mantua, Utah, the Several tropical systems affected the Northeast this year, with Tropical Storm Fay, Tropical Storm Isaias, and Tropical Storm Zeta being particularly noteworthy. The 8.59.5 feet (2.62.9 meters) of storm surge destroyed many sand dunes and sea turtle nests in Oak Island, NC. On December 31, a strong low-pressure system over the north Pacific Ocean deepened to 921 millibars (27.20 inches of mercury) as it crossed over Attu Island, the westernmost of the Aleutian Island chain. The wettest locations were found across much of Virginia, the Carolinas, Alabama, northern and central Georgia, the western half of the Florida Panhandle, southeastern Florida, and Puerto Rico. Portions of the lower Mississippi Valley had daytime temperatures that were below average during 2020. For a small area of northwest Oregon, western Washington, and northern Idaho, drought conditions improved with removal of drought for these locations. Prior to this, there had only been four February tornadoes in Maryland between 1950 and 2019. Massachusetts had more than 1,000 wildfires as of late September, with 52 fires in a nine-day period from late September to early October. Despite a cold start to the year in Alaska, the statewide average annual temperature was 27.5F, 1.5F above the long-term average and was the coldest year since 2012. The record of 163 consecutive days was set last year. In Georgia, the blueberry crop was badly damaged by severe weather in April. Binghamton also tied its lowest maximum temperature for May with a high of 35 degrees F (2 degrees C). Highly-localized flooding was also noted on western Long Island and in northeastern Massachusetts. For instance, a roof was blown off a store in Cape May, New Jersey, and a cow barn was tossed into a power pole in Rockland, Massachusetts. After two consecutively wet years, 2020 was an extremely dry year for the majority of the High Plains region. Annual average temperatures for the twelve Northeast states ranged from 1.9 degrees F (1.1 degrees C) above normal in West Virginia to 2.8 degrees F (1.6 degrees C) above normal in Massachusetts and Rhode Island. One of the largest fires burned over 8,600 acres in Collier County and forced a portion of I-75 to close. This ranked 2020 as the 12th warmest since 1895, and the warmest year since 2012. An early season freeze event occurred in the Upper Midwest on September 8th-11th. Water restrictions were in place for hundreds of locations in New England, as well as some locations in New York and Pennsylvania. From July 29th through the 30th, Tropical Storm Isaias impacted parts of Puerto Rico, with over 9 inches (229 mm) of rainfall recorded in Juncos. Crops largely reached maturity and were harvested after drying down in the field. Rocky Mountain snowpack was below normal at the time of this writing. Try refreshing your browser, or try again later. Eight of the Northeast states were drier than normal while four were wetter than normal. Additional data received and processed after the release of this summary may result in small differences for annual values and ranks. On the 16th, Pensacola, FL observed its fourth wettest day for any month on record, with 11.85 inches (301 mm) of rainfall. For the year, there were areas in all six states that averaged between 1 to 2 degrees F (0.56 to 1.11 degrees C) above normal, while parts of Texas, Oklahoma, Louisiana, Mississippi, and Tennessee averaged 2 to 3 degrees F (1.11 to 1.67 degrees C) above normal. Unfortunately, in early June the total area experiencing at least abnormally dry conditions began to increase. Greenville-Spartanburg, SC (18842020) and Hickory, NC (19492020) observed their wettest February day on record, with 5.36 and 5.31 inches (136 and 135 mm) of precipitation, respectively. Another widespread wind event occurred on November 15. On June 10, Dulles Airport, Virginia, tied its warmest June low temperature with a low of 74 degrees F (23 degrees C). Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time. Big ideas in affordable housing will compete for $300K in nonprofits annual contest S.L. In addition, several stations observed their highest or second highest annual count of days with a minimum temperature at or above 75 degrees F (23.9 degrees C), including Fort Lauderdale, FL (19122020; 186 days, 51 percent of the year), Sarasota-Bradenton, FL (19112020; 132 days, 36 percent of the year), Vero Beach, FL (19422020; 98 days, 27 percent of the year), and Albany, GA (18922020; 44 days, 12 percent of the year). All nine Midwest states were above their 1981-2010 normal by 0.9 to 1.8 degrees F (0.5 to 1.0 C). The most up-to-date temperature and precipitation data is available through Climate at a Glance. The strong winds downed trees and wires, knocked out power to more than 86,000 customers in Massachusetts, and caused whiteout conditions in northern Maine. The remnants of Hurricane Cristobal moved across the region June 8th-10th. This bucket categorization is critical to eliminate data noise as regional geographies experience natural fluctuations in temperature and precipitation from year to year. Autumn was wetter and warmer than normal for most of the Southern Region. Winterthur, Delaware, saw 4.11 inches of rain (104.39 mm), more than a month's worth, in an hour, with 1.03 inches (26.16 mm) of that falling in five minutes, qualifying as a 1,000-year storm event. During the summer, a persistent influx of tropical moisture and high humidity across much of the Southeast increased disease pressure on crops, with white mold and fungus reported on peanuts in Georgia and Florida. There were at least five storm-related deaths. WebWeather.gov > Salt Lake City, UT > Snow and Precipitation Data. WebSee past weather reports with the Almanac's weather history tool. 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