One tornado in Delaware was on the ground for over 35 miles (56 km), the state's longest tornado track on record. In addition, Augusta, GA (18712020) observed only its second trace of snowfall on Christmas Day since records began 149 years ago. A total of 299 tornadoes (8 unrated, 123 EF-0s, 125 EF-1s, 31 EF-2s, 11 EF-3s, 1 EF-4) were confirmed across the Southeast during the year, which is the sixth highest annual tornado count for the region since modern records began in 1950. Several other locations in central and northern California reported the second or third warmest year on record. This was the seventh highest January in the 142-year global record. The rate of warming since 1981 is more than twice as fast: 0.32 F (0.18 C) per decade. 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. In southeastern Pennsylvania, Chester Creek rose to its fourth highest water level on record, exceeding its previous fourth highest level set days earlier. By the middle of May, the coverage in drought was significantly reduced across Florida, but areas of severe drought remained in southwestern Florida and coastal Alabama. Significant flooding occurred, particularly in southeastern Pennsylvania where several waterways recorded their highest water levels on record. 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. The USCEI is an index that tracks extremes (falling in the upper or lower 10 percent of the record) in temperature, precipitation, drought and landfalling tropical cyclones across the contiguous U.S. 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. 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 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. During summer and fall, groundwater levels were also well below normal in many drought areas. Bellingham, Washington recorded 41.36 in (1050.54 mm, 115% of normal) making it the sixth wettest year since 1949. There were 8 fatalities from Hurricane Zeta, including in Acworth, GA where a large oak tree was uprooted and fell onto a mobile home, killing a man. 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. 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. Corn yields were new records in Minnesota, Wisconsin, Indiana, and Kentucky. March 20th saw six flooding deaths in Indiana when bridges were washed out near Laurel, Indiana. 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. Severe drought was introduced in Maine and New York, while moderate drought expanded and abnormal dryness encompassed nearly half the region. Use of irrigation was widespread; however, in some locations it was expensive or water supplies ran low or dried up. Caribou, ME, also had significant snow during the 2019-2020 season receiving 146 inches and ranked ninth highest for any season on record. Despite the snowfall, the fall season was dry, overall, and the majority of the region went into winter with dry soils. Get in touch with us now. Some areas of the region, especially western and southern Colorado, had departures over 2.0 degrees F (1.1 degrees C), which led to many locations ranking in the top 10 warmest years on record. For instance, the Perkiomen Creek at Graterford, Pennsylvania, reached 19.14 feet (5.83 m), nearly a foot (0.30 m) higher than its previous record from 1935. The tornadoes downed trees, destroyed outbuildings, and damaged roofs and siding of some buildings. The total cost of U.S. billion-dollar disasters over the last five years (2016-2020) exceeds $600 billion. In addition, Baltimore, Maryland; Hartford, Connecticut; LaGuardia Airport, New York; Philadelphia and Scranton, Pennsylvania; Providence, Rhode Island; and Washington, D.C. recorded their greatest number of days with a high of at least 90 degrees F (32 degrees C) for any month on record. No locations reported record cold or even in the bottom ten coldest years on record. In addition, there were two EF-0 tornadoes, one in eastern New York and one in eastern Massachusetts. The dry winter and above normal temperatures throughout the year contributed to a rapid expansion of drought in these two states with only a small area in southern California remaining drought free at the end of the year. On April 13th, the strongest tornado of the year across the Southeast region occurred in Hampton County, SC. The region experienced temperatures 2 to 4 degrees warmer than normal in December and January. 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. More than 4.3 million acres were consumed across California during 2020. Quick rises on waterways were observed. A few small pockets of moderate drought developed in north-central Puerto Rico during late December. The global mean temperature in 2021 is estimated to have been 1.21 C (2.17 F) above the average temperature from 1850-1900, a period often used as a pre-industrial baseline for global temperature targets. Warm weather in February contributed to low snowfall totals in southern and eastern parts of the region. Global Temperature Report for 2021 - Berkeley Earth On February 6th, a slow-moving low pressure system produced over 5 inches (127 mm) of rainfall across portions of western North Carolina and Upstate South Carolina. 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. On the 11th, Rocky Mount-Wilson Regional Airport, NC (20002020) observed its second wettest day for any month on record, with 6.02 inches (153 mm) of precipitation. Summer was warmer and wetter than normal for most of the Southern Region. Meanwhile, another of the wettest cites in the state at the southern extent of Southeast Alaska, Ketchikan, logged 175.10 in (4447.54 mm, 124% of normal) making the 11th wettest year on record since 1914. The highest annual precipitation total for any station (excluding CoCoRaHS) across the region was recorded in Highlands, which surpassed its previous wettest year on record (2018) by 11.04 inches (280 mm). These conditions improved slightly during the spring, but quickly gave way to further expansion and deterioration, particularly during the summer and fall. A total of 13 tornadoes were spawned by Delta, including an EF-1 tornado that injured 2 people at a homeless shelter in Newton County, GA on October 10th. All six states experienced warmer than normal temperatures, with Louisiana experiencing its sixth-warmest spring on record. 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. 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 year ended quite warm, with a continuation of much-above-normal temperatures in December for most of the region. Annual Temperature Anomaly. UK: monthly daily average temperatures 2023 | Statista Twelve of the 35 major climate sites had their least snowy February on record. In Puerto Rico, moderate drought developed in mid-May and continued to intensify and expand in coverage through the early summer. Texas had the most severe weather reports total (1,520) while Louisiana had the fewest (407). Dam releases were performed in the Lamprey River watershed in New Hampshire, while a section of the Salmon River in New York was closed to fishing and Connecticut officials delayed restocking trout and salmon in the Farmington River. Flash flooding due to heavy rain occurred again in parts of Maryland, Delaware, southeastern Pennsylvania, and New Jersey on August 12 and 13. The average global land and ocean surface temperature for January 2022 was 0.89C (1.60F) above the 20th century average of 12.0C (53.6F). In some Maine locations, a fungal disease turned stressed grass black and dry conditions caused a fungus that kills the pupa of the browntail moth caterpillar to grow too late this year, allowing the caterpillar, which defoliates trees and causes health issues, to spread farther into central Maine. This graph shows the change in global surface temperature compared to the long-term average from 1951 to 1980. This ranked 2020 as the 12th warmest since 1895, and the warmest year since 2012. Philadelphia and Washington, D.C., saw less than an inch of snow for the season for only the third time since 1885. As the low-pressure system that produced the severe weather moved towards New England, a second low developed over the Gulf of Maine and rapidly strengthened to a near-record level for April for Maine. Every state except for Oklahoma experienced warmer than normal temperatures while every state except for Texas experienced wetter than normal conditions. Hundreds of thousands of customers lost power in the Northeast, including more than 115,000 customers in Massachusetts. Several notable widespread wind events occurred in the Northeast this year. From May 19th through the 21st, a slow-moving upper-level low ushered in a deep stream of moisture across the western Carolinas and southwestern Virginia, with 72-hour precipitation totals exceeding 8 inches (203 mm) and numerous reports of localized flooding. Based on the 2-digit Hydrologic Unit Code watersheds, the California region had the lowest SWE at 76% of normal. 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. Global Temperature Report for 2020 - Berkeley Earth January (9th) and November (7th) were months that ranked among the top-10 warmest for the region while October ranked as the 13th coolest in history. In the HadUK-Grid observational dataset that goes back to 1884, all of the Top 10 warmest years for the UK have occurred since 2002. Lawns turned brown in parts of the Northeast. A rare flash flood emergency was issued by the Philadelphia/Mt. Sunrise & Sunset with Twilight and Daylight Saving Time in 2021 in Denver. NOAA Climate.gov maps from our Data Snapshots collection, based on data from NCEI. The monthly average temperature in the United States between 2020 and 2023 shows distinct seasonal variation. Unfortunately, in early June the total area experiencing at least abnormally dry conditions began to increase. Numerous roads in the urbanized corridor of southeastern Florida became impassable due to flooding, with many reports of stalled or submerged vehicles. Damage in the form of snapped and uprooted trees occurred to the west of the school, along with the more significant roof uplift and partial outer wall collapse of the schools gymnasium. The statewide average annual precipitation totals are as follows: Arkansas received 63.43 inches (1611.12 mm), Louisiana received 66.40 inches (1686.56 mm), Mississippi received 68.22 inches (1732.78 mm), Oklahoma received 39.10 inches (993.14 mm), Tennessee received 65.40 inches (1661.16 mm), and Texas received 26.04 inches (661.42 mm). Annual mean temperatures were at least 2 degrees F (1.1 degrees C) above average for approximately 52 percent of the 168 long-term (i.e., period of record equaling or exceeding 50 years) stations across the region. 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. For instance, in Maryland, East Branch Herbert Run at Arbutus rose more than seven feet (2 m) in an hour and the Patapsco River at Elkridge rose 9.6 feet (2.9 m) in over an hour. Conversely, Oklahoma had the fewest tornado reports (31), Tennessee had the fewest hail reports (60), and Louisiana had the fewest wind reports (256). Five of the six warmest years on record at Hilo have occurred since 2015. Of this 24-hour precipitation total, Key West observed 3.95 inches (100 mm) in a single hour, which is its second highest hourly rain rate ever recorded. Rhode Island officials noted that fires were climbing trees and were concerned that items like lawn mowers and chains could spark fires, which is a behavior more typical of western U.S. wildfires and unusual in the Northeast. On August 31st, a line of slow-moving thunderstorms brought over 5 inches of rainfall to Johnston County, NC, where a 5-year-old girl and her 4-year-old brother were swept away in floodwater. 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). Many extremely large fires with rapid spread rates occurred this year with California, Oregon, and Colorado all having set records for the largest fires in the states history. Parts of New Jersey also experienced heavy rain and flash flooding, with reports of water up to car hoods in Ocean City. On the same day, Caribou had a low temperature of 50 degrees F (10 degrees C), its warmest minimum temperature for winter on record. From May 8 to 11, the polar jet stream plunged south and Arctic air spilled into the Northeast, with many areas seeing snow. The contiguous U.S. average annual precipitation was 30.28 inches, which is 0.34 inches above the long-term average, ranking in the middle third of the historical record. Kentucky was the wettest state with 9.97 inches (253 mm) above normal which ranked as the 8th wettest in its history. The highest winds, over 100 miles per hour (161 km per hour), were in central Iowa causing severe damage to crops and trees. 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. In addition, Highlands was only 3.44 inches (87 mm) short of exceeding the highest annual precipitation total ever recorded in North Carolina, which occurred just two years ago on Mt. Six hurricanes made U.S. landfall, tying 1886 and 1985 for the most U.S. hurricane landfalls in a single season. Strawberry growers in Florida reported higher-than-normal fungal disease pressure and pest pressure due to unusual warmth in January and February. The most up-to-date temperature and precipitation data is available through Climate at a Glance. Soybean yields set records in both Indiana and Kentucky. For instance, in February 2023, the average temperature across the North American. A streak of 14 straight weeks, from mid-January to mid-April, set a new record with no abnormally dry area in the region. Twenty-seven of the 30 named storms were the earliest named storm, for their respective number, on record. There were numerous impacts from the drought across the region, particularly in New England and New York. There were no areas of below-average annual temperatures observed across the Lower 48 during 2020. Kahului, Maui also saw its warmest year on record since 1955 at 78.6 F (25.9 C), 2.7 F (1.5 C) above normal beating out the 2019 record of 78.4 F (25.8 C). Chart by Carbon Brief using Highcharts . Mount Washington, New Hampshire, had its highest August wind gust of 147 mph (66 m/s). On December 24th and 25th, an extensive squall line associated with a vigorous cold frontal passage produced convective wind gusts exceeding 45 mph (20 m/s) along coastal portions of the region, including 49 mph (22 m/s) at Charleston International Airport, SC, 59 mph (26 m/s) at Brunswick Golden Isles Airport, GA and Tampa International Airport, FL, 61 mph (27 m/s) at Newport News/Williamsburg International Airport, VA, and 64 mph (29 m/s) at Billy Mitchell Airport on Cape Hatteras, NC. Caribou, Maine, tied its greatest number of June nights with a low of 32 degrees F (0 degrees C) or lower on June 1 and 2. Red indicates places that were warmer than average, and blue indicates places that were colder than average. The U.S. Drought Monitor released on December 3 showed 21 percent of the Northeast in an extreme, severe, or moderate drought and 33 percent as abnormally dry. Of these 85 stations, twenty-five observed their wettest year on record, including Highlands, NC (18792020; 136.50 inches, 3,467 mm), Fort Lauderdale, FL (19122020; 104.00 inches, 2,642 mm), Scottsboro, AL (18912020; 86.69 inches, 2,202 mm), and Lynchburg, VA (18932020; 69.73 inches, 1,771 mm). Portions of New England were designated as natural disaster areas by the U.S. Department of Agriculture, making some farmers eligible for federal assistance. 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. All nine Midwest states were above their 1981-2010 normal by 0.9 to 1.8 degrees F (0.5 to 1.0 C). These dry conditions were coupled with extreme heat, which helped fuel some of the largest wildfires in Colorados history. There were 3,843 severe weather reports across the Southeast region during the year, which is over 130 percent of the median annual frequency of 2,936 reports during 20002019. 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. In late May, Scranton, Pennsylvania, and Burlington, Vermont, set/tied their hottest May day on record. Washington, D.C. (18842020), Blacksburg, VA (18932020), and Mt. This topped the 12-week stretch in early 2019 with no abnormally dry conditions. Climate Extremes Index (CEI) Climatological Rankings Citing This Report Hurricane Iota was the second-strongest November hurricane on record for the Atlantic and was the strongest Atlantic hurricane on record to occur so late in the calendar year. The center of the system moved across Iowa as just the second tropical system to do so. San Francisco, California, with one of the longest climate records in the state dating back to 1850, recorded its second driest year on record at 7.81 in (198.37 mm, 33% of normal). For example, in New Hampshire, an emergency drought law banning outdoor fires near public woods was in effect for a month, and several communities and the White Mountains National Forest had burn bans. Due to its. Louisiana, Mississippi, and Texas experienced a top-10 warmest year on record, and the region as a whole had an average annual temperature of 63.58 degrees F (17.54 degrees C), making it the fourteenth-warmest year on record. The spatial extent of drought increased slightly from 18% at the beginning of the year to 19% at the end of the year. Twenty-five fatalities and at least 166 injuries were caused by tornadoes during the year. Warm extremes in both maximum and minimum temperature across much of the U.S. in addition to wet conditions across the Southeast and dry conditions in the West contributed to this elevated USCEI value.
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