On June 10, Dulles Airport, Virginia, tied its warmest June low temperature with a low of 74 degrees F (23 degrees C). 2020 also marks the sixth consecutive year (2015-20) in which 10 or more separate billion-dollar disaster events have impacted the U.S. Highly-localized flooding was also noted on western Long Island and in northeastern Massachusetts. Population figures correspond to data from the closest year available. In addition, there were two EF-0 tornadoes, one in eastern New York and one in eastern Massachusetts. This dryness eased by mid-February, with the Northeast becoming free of abnormal dryness for the first time since July 2019. Well below normal precipitation was widespread throughout central and northern California with most stations reporting the second or third driest year on record. Several tropical systems affected the Northeast this year, with Tropical Storm Fay, Tropical Storm Isaias, and Tropical Storm Zeta being particularly noteworthy. We reconstructed these averages to verify that we were using the proper methodology and then applied that methodology to the county-level monthly average dataset. Approximately 64 percent of the 168 long-term stations across the region observed annual precipitation totals that were at least 12 inches above average. WebAnnual average precipitation is 24 inches. Above-average conditions were observed across much of the North Slope, West Coast and the Aleutians, primarily due to the lack of coastal sea ice. Days per year with precip. 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. The US average is 38 inches of rain per year. There were road closures, some evacuations, and reports of water in houses. Monthly temperature, precipitation and hours of sunshine. This year, Utah has seen an intense winter all these storms have been keeping snowplows busy and, in fact, the Utah Department of Transportation has This was a record fifth consecutive year with at least one Category 5 storm in the Atlantic. Rocky Mountain snowpack was near normal for most of the 2019-20 season (July-June). This July was the all-time hottest month on record for Scranton and Harrisburg, Pennsylvania; Buffalo, Syracuse, and LaGuardia Airport, New York; Burlington, Vermont; Baltimore, Maryland; Portland, Maine; Bridgeport, Connecticut; Elkins, West Virginia; and Dulles Airport, Virginia. That 21-week stretch extended to a 29-week stretch when the last eight weeks of 2019 were added making it the second longest stretch with no drought in the region since 2000. Of the 17 lightning fatalities across the United States during the year, seven occurred within the Southeast region, which is below the median annual frequency of 11 fatalities from 20002019. In addition, about 36,000 homes and businesses in Virginia were without power following the height of the storm. Multiple residences were destroyed by this fire, and many residents were told to evacuate the area. Texas experienced landfalls from Hurricane Hanna and Tropical Storm Beta. Further south, Stockton, California reported its warmest year on record (in the past 72 years) at 64.8 F (18.2 C), 3.5F (1.9 C) above normal. Twenty-seven of the 30 named storms were the earliest named storm, for their respective number, on record. 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. Web60 50 40 fli 0 30 20 10 2013 2014 2015 Statewide Average Average Precipitation for 77 Mountain SNOTEL Sites (Through 0212312023) 2023 Aug Jul Extreme (D3) and exceptional (D4) drought covered about 22 percent of the CONUS on December 29 the largest extent of D3 and D4 drought since August 2012 (24 percent). Hundreds of thousands of customers lost power in the Northeast, including more than 115,000 customers in Massachusetts. Unfortunately, in early June the total area experiencing at least abnormally dry conditions began to increase. A climate chart for your city, indicating the monthly high temperatures and rainfall. 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. 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. March was an exceptionally warm month for the region, as three states (Louisiana, Mississippi, and Texas) experienced a top-5 warmest March on record, while Oklahoma experienced a top-10 warmest March on record. In Puerto Rico, moderate drought developed in mid-May and continued to intensify and expand in coverage through the early summer. Soybean yields set records in both Indiana and Kentucky. Flooding led to road closures in portions of Maryland and Delaware. Posted: Feb 28, 2023 / 02:06 PM MST. Drought stress also caused leaves to change color and drop earlier than usual in parts of the Northeast. 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. 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. Five of the six largest wildfires in California history also occurred during 2020. The number of days with precipitation counts the days when rainfall or snowfall Several notable widespread wind events occurred in the Northeast this year. For instance, the Frankford Creek rose 4 feet (1 m) in 10 minutes, while Pennypack Creek reached 10.45 feet (3.19 m), which ranked as the ninth highest water level since 1965 (based on preliminary data). 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). For further details on the weather and climate events in the Midwest, see the weekly and monthly summaries in the. It was the hottest summer on record for Connecticut, Massachusetts, and Rhode Island. A standard deviation measures the amount of variability among the numbers in a data set, the typical distance of a data point from the mean of the data and is calculated against the NClimDiv data as: Source Agency: Monthly (within first week of each month). Damage was spread across Iowa, Wisconsin, Illinois, Michigan, and Indiana. This ranked as the 37th wettest in history since 1895. Caribou, ME, also had significant snow during the 2019-2020 season receiving 146 inches and ranked ninth highest for any season on record. For Hawaiian data, data are limited to a single weather station for each of the states four largest counties: Hawaii, Maui, Kauai, and Honolulu. Flash flooding was reported from Delaware to New York, resulting in road closures and water rescues. These averages are consistent with accepted baseline measures that major governmental and scientific sources use as a point of comparison over long time horizons2, 3. The old record was 3.86 inches (98.04 mm) of precipitation on September 14, 1973. At least five of these stations were located in every state, including many of the major cities within the region. Near record warmth was found throughout Arizona with both Phoenix (77.2 F [25.1 C], 2.1 F [1.2 C] above normal) and Tucson (72.6 F [22.6 C], 3.2 F [1.8 C] above normal) reporting the second warmest years on record. According to the U.S. Drought Monitor (USDM), drought coverage expanded throughout much of 2020 with a minimum CONUS extent of 9.6 percent occurring on February 18 and maximum coverage of approximately 50 percent on December 22. Coastal flooding occurred from New Jersey to Maine. Many locations across the region observed their coldest Christmas Day in at least two decades. 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. Winter wheat was also impacted, with at least 15 percent of the crop in poor to very poor condition at the start of 2021 in Colorado (34 percent), Kansas (17 percent), and Nebraska (15 percent), according to the USDAs National Agricultural Statistics Service. Yield losses in Iowa were due to a combination of drought and damages from the derecho. During the rest of spring and beginning of summer, there was improvement in the total area experiencing drought with several areas improving to the point of only containing abnormally dry conditions. Caribou, Maine, received only 0.88 inches (22.35 mm) of precipitation during June, tying as the driest June on record. 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). Several landslides occurred along the foothills of western North Carolina and southwestern Virginia. Portions of the lower Mississippi Valley had daytime temperatures that were below average during 2020. In addition, two weak (EF-0 or EF-1) tornadoes snapped trees and damaged houses in northern Maryland. The most costly events of the year include: Hurricane Laura, the Western wildfires and the Midwest derecho. Arkansas experienced its seventh-wettest August on record. Rocky Mountain snowpack was below normal at the time of this writing. Utqiagvik reported an annual temperature of 14.6 F (-9.7 C), 3.1 F (1.7 C) above normal and the 8th warmest since 1921. Regional snowpack, as measured by the 1 April snow water equivalent (SWE), did not stray too far from normal in 2020. In May, cooler than normal conditions prevailed across every state except Texas, while precipitation was higher than normal for every state except for Mississippi. Southern parts of the region experienced severe weather from April 7 to 9. Indiana was barely below normal (-0.04 inches or -1 mm), while Minnesota (-3.75 inches or -95 mm) and Iowa (-5.84 inches or -148 mm) were well below normal. The result was strong wind gusts for the entire Northeast and a major late season snowstorm for parts of Maine and New Hampshire from April 9 to 10. 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 Nearly half (138 of 299) of the tornadoes occurred during April, which had the third highest monthly count of tornadoes across the region behind April 2011 (226) and September 2004 (247). January was warmer and wetter than normal across all six states, with Texas experiencing its tenth-warmest January on record while Oklahoma experienced its sixth-wettest January on record. There were road closures, cars trapped in floodwaters, and water rescues. 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. LaGuardia Airport and Central Park, New York, recorded their warmest Novembers on record. WebMesoWest Precipitation Totals. The timing was particularly bad for farmers that were in the midst of harvesting a variety of vegetable crops bound for holiday tables, including sweet corn, green beans, lettuce, cabbage, and radishes. 30-Yr WebProvo Municipal is 67 miles from Utah, so the actual climate in Utah can vary a bit. In October, Hurricane Zeta caused additional cotton losses in Georgia and the Florida Panhandle, as heavy rainfall led to an increase in boll rot. 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. 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. Seven major climate sites including Philadelphia, Pennsylvania; Baltimore, Maryland; and Atlantic City, New Jersey, tied their record for least snowy spring (March through May). Low reservoir levels and streamflows were contributing factors to the widespread drought intensification in 2020 throughout the West. Heavy rainfall during early December saturated vegetable fields in southern Florida, resulting in crop losses, increased disease pressure on lettuce and beans, and bloom dropping in pepper and tomato plants. Snow-water equivalent (SWE) was near-normal to much-above normal for most of the region, with February 1st SWE as high as 200% of normal in Utah and southwestern Wyoming and 150% of normal in Colorado and the rest of Wyoming. In central and eastern portions of South Carolina, heavy rainfall delayed the harvesting of row crops and the planting of small grains and cover crops. About 30 percent (1,154 of 3,843) of these reports were observed during April. Portland, Maine, recorded six days this August with a high of at least 90 degrees F (32 degrees C), tying its August record. Mount Washington, New Hampshire, had its highest August wind gust of 147 mph (66 m/s). An early season freeze event occurred in the Upper Midwest on September 8th-11th. Severe thunderstorms in these same areas downed trees and powerlines, as well as spawned three tornadoes: an EF-1 that snapped and uprooted trees in northern Maryland, an EF-0 that destroyed several barns in northern Maryland, and an EF-0 that damaged several buildings in southeastern Pennsylvania. 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. With 1.1 inches (28 mm) of snow on the 25th, Asheville, NC (18692020) observed its fifth highest snowfall on Christmas Day since records began 151 years ago. Drought conditions exhibited a slightly cyclical pattern throughout the Southern Region during 2020, but conditions primarily deteriorated as the year progressed. In early May, Binghamton, New York; Harrisburg, Pennsylvania; Kennedy Airport, New York; and LaGuardia Airport, New York recorded their coldest May temperature on record. During a four-day period (August 16-19) 8,532 lightning strikes were detected in central and northern California that ignited 362 new fires, including the August Complex which burned 1,032,649 acres. Cordova had its 4th driest year dating back to 1910 with 64.02 in (1626.11 mm, 71% of normal) and Kenai also saw its 4th driest year since records began in 1900 at 11.72 in (297.69 mm, 64% of normal). Power outages lasted five days in some locations. We were unable to display data for this section. There were two months (March and November) where the entire region experienced a top-10 warmest month on record. The storm's highest wind gusts ranged from 60 to 78 mph (27 to 35 m/s). Current Hazards. The warmth extended northward to the island of Oahu where Honolulu recorded its 3rd warmest year on record at 78.9 F (26.1 C), 1.3 F (0.8 C) above normal. No locations reported record cold or even in the bottom ten coldest years on record. Maine had its driest September on record. Washington, D.C. observed its lowest annual snowfall total since records began in 1884, while Washington Dulles International Airport, VA observed its third lowest annual snowfall total (4.7 inches, 119 mm) since records began in 1962. Back-to-back storms from February 5 to 8 brought an extreme mix of weather conditions to the Northeast. Like most years, 2020 temperatures were quite variable throughout the year. Dozens of swift water rescues were performed by emergency personnel, with five flood-related fatalities reported at a campground in Alexander County, NC. Spring freeze damage was reported in a mid-April freeze despite not being particularly late in the season. 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. Dry conditions prevented farmers from planting crops, and for those that were planted, moisture stress led to slowed growth and reduced yields. 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. Ohio ranked as the 7th warmest in its history and Michigan ranked 10th. These areas included portions of northern New England, New York, and Pennsylvania. In addition, Interstate 81 near Binghamton, New York, was shut down for several hours due to disabled vehicles. There were over 106,000 daily temperature records tied or broken during 2020. Caribou, Maine, had its hottest June on record, all-time hottest day, longest stretch of days with a high of at least 80 degrees F (27 degrees C), and greatest number of June days with a high of at least 80 degrees F (27 degrees C). There were more than 250 wind damage reports in the Philadelphia/Mt. With respect to precipitation, Oklahoma experienced its fifth-wettest March on record while Texas experienced its seventh-wettest March on record. Precipitation was primarily wetter than normal, although Arkansas and Texas were slightly drier than normal. As the storm rapidly strengthened, it set the record for the lowest February air pressure in Hartford (based on preliminary data) and produced damaging wind gusts of up to 80 mph (36 m/s), particularly in coastal areas. Annual precipitation totals ranged from 12 to more than 20 inches (305 to more than 508 mm) above average in these areas. Abbreviations. The U.S. By the end of 2020, 79% of the West was in drought and 22% of the region in exceptional drought (D4). Although the season was below average, it was more than the 1993 to 2020 minimum of 23,000 acres set in 2004. 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. March 20th saw six flooding deaths in Indiana when bridges were washed out near Laurel, Indiana. Binghamton also tied its lowest maximum temperature for May with a high of 35 degrees F (2 degrees C). In September, every state except for Louisiana and Mississippi experienced cooler than normal temperatures, while every state experienced wetter than normal conditions. Most of the drought is focused on the central islands of Molokai, Maui, Kahoolawe, and Lanai with severe and extreme drought present. The tornado, the first of the year in New England, snapped and uprooted trees. Snowfall averages for: Alta Brian Head Brighton Ogden Provo. Preliminary damage estimates in Delaware exceeded $20 million. Apples were smaller than usual and yields were down in parts of New England. warmer than normal monthly temperatures for The highest thunderstorm wind gust recorded during the year was 84 mph (38 m/s), which was measured near Mountain Lake, VA as a squall line moved through southwestern Virginia on April 8th. Based on weather reports collected during 19852015. The Census Bureau has three population estimation programs: Postcensal, Intercensal, and Vintage. A few northern Maine farmers initiated the process to allow for emergency haying and grazing on conservation reserve. Long-term weather stations reported record warmth in Oregon, California, and New Mexico.
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