For further details on the weather and climate events in the Midwest, see the weekly and monthly summaries in the. It encompassed nearly the entire West, Northern and central Plains, Great Lakes and much of the East, including. Parts of northwestern Iowa remained in extreme drought as the year came to an end. 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. According to the U.S. Drought Monitor, 18% of the West was in drought at the beginning of the year with no locations worse than severe drought (D2). Hurricanes Hanna and Delta were primarily rain events, with reports of 15 inches (381 mm) in southern Texas from Hanna and 17 inches (431.80 mm) in southwestern Louisiana from Delta. A rare tornado outbreak occurred on February 7 in Maryland where five tornadoes touched down: an EF-0 and four EF-1s. From an agricultural perspective, drought caused many impacts, especially for livestock and winter wheat producers. Lower than usual streamflow on the Hudson River in New York in October led to increased sodium levels in Poughkeepsies water supply. January-May 2021 Blended Land and Sea Surface Temperature Percentiles Regionally, Africa's year-to-date temperature was 1.28C (2.30F) above average and the third highest for the January-May period on record. Winter outlook 2020-2021: a look back | NOAA Climate.gov 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. These economic ramifications occur for several reasons, which include higher. For example, irrigation and labor costs exceeded $50,000 at a Massachusetts farm and were around $30,000 at a New Hampshire farm. Across the region, there were hundreds of closed roads, stranded vehicles, water rescues, and buildings affected by flooding. Severe weather in the region was spread across many months, however the most newsworthy was a severe derecho on August 10th. Average daily maximum temperatures were well above average along coastal portions of the region. May 2021 Global Climate Report | National Centers for Environmental This was the seventh highest January in the 142-year global record. January 2021 Temperature Precipitation : February 2021 Temperature Precipitation : March 2021 Temperature Precipitation : April 2021 Temperature Precipitation : May 2021 . Six hurricanes made U.S. landfall, tying 1886 and 1985 for the most U.S. hurricane landfalls in a single season. Rainfall totals were generally less than 3 inches (8 cm), with higher amounts in northern West Virginia, south-central Pennsylvania, and central and southern Maryland. 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. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. Dry conditions prevented farmers from planting crops, and for those that were planted, moisture stress led to slowed growth and reduced yields. A total of 22 tornadoes were spawned by Isaias, including a rare EF-3 tornado that caused 2 fatalities and 14 injuries in Bertie County, NC on August 4th. Portland, Maine, recorded its hottest minimum temperature for any month since 1940 with a low of 78 degrees F (26 degrees C) on July 27. Later in the season, a lack of snow cover across the Plains and low snowpack in the central Rockies also impacted skiing and snowmobiling activities. Alamosa, Colorado: New daily records for maximum and minimum temperature set in the same day (92.0 degrees F/33.3 degrees C and 37.0 degrees F/2.8 degrees C), July 10 (period of record 1906-2021), Rapid City, South Dakota: Earliest hard freeze (28.0 degrees F/-2.2 degrees C) on record, September 9 (period of record 1942-2021), Pueblo, Colorado: Most number of 90.0 degrees F (32.2 degrees C) days on record for a single year, 99 days (period of record 1888-2021), Denver, Colorado: Highest September temperature on record at 101.0 degrees F (38.3 degrees C), September 5 (period of record 1872-2021), Laramie, Wyoming: Lowest October temperature on record at -26.0 degrees F (-32.2 degrees C), October 27 (period of record 1948-2021). From April 19th through the 20th, a line of thunderstorms produced heavy rainfall across central portions of Alabama and Georgia, with 24-hour precipitation totals exceeding 5 inches and numerous reports of localized flooding. In 2020, above-average heat was more widespread than it has been in 2021 so far. Record dryness (dating back to 1949) was also observed in Tucson, Arizona with 4.17 in (105.92 mm, 36% of normal) falling throughout the year. On the 12th, Appomattox, VA (19372020) and Concord 4 SSW, VA (19502020) observed their second and third wettest day for any month on record, with 7.28 and 6.85 inches (185 and 174 mm) of precipitation, respectively. Despite slightly above normal snowpack in the Colorado River Basin, April-July inflows into Lake Powell were only 52% of normal due a combination of above normal temperatures and evaporative demand and a lack of any substantial early summer monsoonal rainfall. Overview and Graphics Winter 2020-2021 Climate Summary: Temperatures averaged near to slightly below normal for the season. Preliminary estimates indicated millions of dollars in damage from flooding along the Schuylkill River near Philadelphia, Pennsylvania. Some reservoirs also experienced below-normal water levels. Harford, Connecticut, received only 4.42 inches (112.27 mm) of precipitation during summer, making it the sites driest summer on record. The maximum wind speed was estimated at 85 mph, and three injuries were associated with the microburst. There were road closures, cars trapped in floodwaters, and water rescues. NASA uses the period from 1951-1980 as a baseline to compare how global temperatures change over time. On May 26th, Miami, FL observed a 24-hour rainfall total of 7.40 inches (188 mm), which is its third wettest May day on record. Low streamflow and warm water temperatures prompted several states to take actions to protect aquatic species. Hurricane Sally made landfall near Gulf Shores, AL on September 16th, with peak sustained winds of 105 mph (47 m/s) and a maximum wind gust of 121 mph (54 m/s) reported at Fort Morgan, AL. Eleven of the Northeasts 35 major climate sites set or tied their record for least snowy March. Farmers dealt with extremely dry conditions. Mitchell (139.94 inches, 3,554 mm). In addition, storm surge flooding reached 5.6 feet (1.7 meters) in Pensacola, which is the third highest storm surge ever recorded in the city. 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). Through the end of summer, most of the Southeast region remained drought-free, except for a few short-lived pockets of moderate drought in portions of northern and coastal Virginia, Georgia, southeastern Alabama, and west-central Florida. Twenty-seven of the 30 named storms were the earliest named storm, for their respective number, on record. Add to Cart . On November 11th and 12th, the interaction of moisture surging northward from Tropical Storm Eta and an approaching cold front produced 3 to more than 8 inches (76 to more than 203 mm) of rainfall across much of the Carolinas and Virginia. A man in Bradenton Beach, FL was electrocuted when he touched an appliance while standing in floodwater. For the past decade, the Normals have been based on weather observations from 1981 to 2010. 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 region experienced temperatures 2 to 4 degrees warmer than normal in December and January. The warmest temperature observed during the year was 102 degrees F (38.9 degrees C), which was recorded at several locations across the region, including Macon, GA (July 20th), Athens, GA (July 20th), and Norfolk, VA (July 19th, 21st, and 28th). Portions of Delaware, southeastern Pennsylvania, and New Jersey also saw damaging severe thunderstorms. The 8.59.5 feet (2.62.9 meters) of storm surge destroyed many sand dunes and sea turtle nests in Oak Island, NC. No locations reported record cold or even in the bottom ten coldest years on record. Wind gusts of up to 50 mph (22 m/s) were recorded in several coastal locations of Maryland, Delaware, and New Jersey, where some coastal flooding occurred. 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. Allentown, Pennsylvania, had its warmest winter on record. Storm reports noted numerous road closures, multiple water rescues, some evacuations, and a few homes taking on water. Many locations across the region observed their coldest Christmas Day in at least two decades. The path taken by the storm system was one of the furthest to the west and north in history. 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. Non-thunderstorm wind gusts of up to 70 mph (31 m/s) were recorded in New England and on New Yorks Long Island, with reports of downed trees and wires. In Maine, potato yields were expected to be down by at least 20 percent and wild blueberry yields were reduced due to drought and frost. Severe drought touched parts of the five western-most states and extreme drought affected parts of southwestern Missouri and western Iowa. The new U.S. Climate Normals are here. What do they tell us about On May 5th, damaging straight-line winds and an associated gustnado were observed in Lancaster County, SC, with the highest estimated gust of 105 mph. Global Temperature - Climate Change: Vital Signs of the Planet Well below normal precipitation was widespread throughout central and northern California with most stations reporting the second or third driest year on record. Providence, Rhode Island, picked up 1.6 inches (4.1 cm) of snow on October 30, tying as the sites snowiest October day on record. In September, many farmers in the Florida Panhandle and southern Alabama reported a loss of cotton, peanuts, and pecans due to the passage of Hurricane Sally. Texas experienced landfalls from Hurricane Hanna and Tropical Storm Beta. Approximately 64 percent of the 168 long-term stations across the region observed annual precipitation totals that were at least 12 inches above average. Annual precipitation averaged across the Midwest was 37.72 inches (958 mm), 0.78 inches (20 mm) above normal. To the west, West Virginia saw flood-inducing heavy rain, with the greatest totals approaching 4 inches (102 mm). Portions of the lower Mississippi Valley had daytime temperatures that were below average during 2020. Over 45 percent (77 of 168) of the long-term stations observed annual mean temperatures that were within their five warmest values on record. There were approximately 4,523 severe weather reports throughout the Southern Region for 2020, with 394 tornado reports, 1,310 hail reports, and 2,819 wind reports. These dry conditions were coupled with extreme heat, which helped fuel some of the largest wildfires in Colorados history. March 20th saw six flooding deaths in Indiana when bridges were washed out near Laurel, Indiana. Allentown, Pennsylvania, and Harrisburg, Pennsylvania, had their least snowy seasons (October through May) on record. In February, five of six states experienced warmer than normal conditions (Texas was slightly cooler than normal) while all six states were wetter than normal, with Mississippi experiencing its fifth-wettest February on record while Tennessee experienced its eighth-wettest February on record. Global temperatures in 2021 were 0.85 degrees Celsius (1.5 degrees Fahrenheit) above the average for NASA's baseline period, according to scientists at NASA's Goddard Institute for Space Studies (GISS). The statewide average annual temperatures are as follows: Arkansas - 61.15 degrees F (16.19 degrees C), Louisiana 68.18 degrees F (20.10 degrees C), Mississippi 65.31 degrees F (18.51 degrees C), Oklahoma 60.70 degrees F (15.94 degrees C), Tennessee - 59.34 degrees F (15.19 degrees C), and Texas 66.81 degrees F (19.34 degrees C). These areas included portions of northern New England, New York, and Pennsylvania. Due to its. The highest monthly mean air temperatures in England are typically recorded in July and August of each year. 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. Snow fell across portions of New England, New York, northern Pennsylvania, and northern New Jersey, with the greatest snowfall totals at least 6 inches (15 cm) in central and eastern Massachusetts. Precipitation was primarily wetter than normal (Texas was slightly drier than normal), with Mississippi and Tennessee experiencing their sixth-wettest and eighth-wettest winters on record, respectively. Global monthly temperature anomalies, with ENSO status Non-thunderstorm wind gusts of 40 to 60 mph (18 to 27 m/s) were common, with some of the highest wind gusts reaching 82 mph (37 m/s) near Lanoka Harbor, New Jersey; 80 mph (36 m/s) in Milton, Massachusetts; 79 mph (35 m/s) in Dewey Beach and Indian Beach, Delaware; and 75 mph (34 m/s) in Moosic, Pennsylvania. Flooding issues were noted especially in eastern Kentucky in February, the Ohio River flood plain in the spring but also along the Mississippi River system. The severe weather season got off to a very slow start this year, with only 10 tornado watches issued nationally during May. Only Junes of 2015 (fourth warmest), 2016 (second warmest), 2019 (warmest), and 2020 (third warmest) were warmer and had a global temperature departure above +0.90C (+1.62F). The most costly events of the year include: Hurricane Laura, the Western wildfires and the Midwest derecho. April U.S. Release: Mon, 8 May 2023, 11:00 AM EDT, Alabama, South Carolina, North Carolina, Virginia, West Virginia, Maryland and Delaware, NOAA's Residential Energy Demand Temperature Index (REDTI), contiguous U.S. average annual precipitation, lowest known mean sea level pressure on record, nine climatic regions of the National Climatic Data Center, Northeast Regional Climate Center Home Page, Southeast Regional Climate Center Home Page, High Plains Regional Climate Center Home Page, Southern Regional Climate Center Home Page, Western Regional Climate Center Home Page. Every state experienced a warmer than normal winter, with every state experiencing a top-20 warmest winter on record while Tennessee experienced its sixth-warmest winter on record. The extreme departures in annual mean temperatures across the region were driven primarily by exceptionally warm daily minimum temperatures, as a persistent influx of tropical moisture and cloud cover suppressed nighttime cooling during the year. The precursor disturbance to Tropical Storm Bertha caused a significant multi-day rainfall event across southern Florida, with accumulations of more than 8 inches in several locations. Thirteen tropical cyclones (Tropical Storm Arthur, Tropical Storm Bertha, Tropical Storm Cristobal, Tropical Storm Fay, Hurricane Isaias, Tropical Storm Kyle, Hurricane Laura, Hurricane Marco, Hurricane Sally, Tropical Storm Beta, Hurricane Delta, Hurricane Zeta, and Tropical Storm Eta) brought high winds, heavy rainfall, inland flooding, storm surge, and tornadoes to widespread portions of the Southeast region, including Puerto Rico and the U.S. Virgin Islands. There were numerous impacts from the drought across the region, particularly in New England and New York. At the beginning of 2020, only 12 percent of the High Plains region was experiencing moderate to exceptional drought (D1-D4), and these conditions were largely confined to western and southern areas of Colorado and Kansas. Several other locations in central and northern California reported the second or third warmest year on record. There were three months (January, February, and September) where every state was wetter than normal and one month (November) where every state was drier than normal. The solar day over the course of the year 2021. 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. The nationally averaged maximum temperature (daytime highs) was above average for 2020 at 66.3F, 2.3F above average, ranking as sixth warmest in the 126-year record. All state rankings are based on the period spanning 1895-2020. Wind gusts of up to 62 mph (28 m/s) accompanied the storm in coastal areas, where minor to moderate flooding occurred. The year 2020 proved to be a warm year for the Southern Region. Indeed, nearly the entire Southeast region was covered with above-average annual precipitation totals, except for a few small pockets of unusual dryness in southwestern Alabama, the Big Bend region of Florida, Puerto Rico, and the U.S. Virgin Islands. The states fire tower network was extended due to increased fire risk. Warm and dry conditions led to drought development in California and Nevada and major drought intensification in the Four Corners states during Calendar Year 2020. Arkansas experienced its seventh-wettest August on record. Between 3 and 6 inches (76 to 152 mm) of rain fell in a two-hour period at rainfall rates of 3 or more inches (76 mm) per hour. Just a week later, on Christmas Eve and Christmas Day, a storm system dropped as much as 6 inches (152 mm) of rain on the region, with several locations having one of their 10 wettest December days on record. Report: Year: Month: Additional Resources Rankings Maps April 2023 Mar 2023 - Apr 2023 Nov 2022 - Apr 2023 May 2022 - Apr 2023 U.S. 2020 ranked among the seven warmest years on record for all the states: second warmest for Connecticut, Delaware, Maryland, Massachusetts, New Jersey, and Rhode Island; third warmest for New York and Pennsylvania; fourth warmest for New Hampshire; fifth warmest for Maine and Vermont; and seventh warmest for West Virginia.
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