The deep snowpack in this region contributed strongly to the frigid temperatures. National Oceanic and Atmospheric Administration A cross section from central Florida to southern Wisconsin (Fig. Iowa recorded it second snowiest December with northwest Iowa ranking as the snowiest ever. Wind Gusts 6 mph. Flooding occurred along the lower Illinois River with minor to moderate flooding from Peoria to Hardin, Illinois. Monthly average temperatures for December 2009 were below normal across much of the region. The onset of rain at Greenwood, South Carolina, also occurred near 1400 UTC. A rain and sleet mixture at CLT became all rain at approximately 2300 UTC. Maine was the only state posting above normal temperatures (+2.4 degrees F, +1.3 degrees C) and New Hampshire's temperatures for December were exactly normal. A major snowstorm hit the region on Saturday and Sunday, Dec 19th and 20th, bringing a season's worth of snow to parts of the mid-Atlantic. The 13-km RUC profile in Fig. The Northeast Snowfall Impact Scale (NESIS; Kocin and Uccellini 2004) classified this event as "Major." See NCDC's Monthly Records web-page for weather and climate records for the month of May. Small areas in northwest Iowa and western Minnesota exceeding 300 percent of normal for the month. As in Fig. Figure 20. [20] One Amtrak train, carrying 255 passengers, halted for six hours while a frozen track switch was fixed. The 1800 UTC model sounding at CLT showed temperatures warmer than 0 oC in most of the layer from the surface to 800 mb. The 250 mb analysis at the same time showed a well-defined jet structure with a large area of 80 to 100 kt winds extending from Louisiana north over the Ohio Valley then east over the Atlantic Ocean. Soon after the preliminary band of precipitation affected the western Carolinas, the main area of precipitation spread northward across the region. By midnight Saturday morning, snowfall in Boone, North Carolina had reached 14–18 inches (36–46 cm), Asheville, North Carolina accumulated up to 12 inches (30 cm), while Greensboro, North Carolina received 3–7 inches (7.6–17.8 cm). Questions? Nearby towns in New Jersey and on Long Island experienced the brunt of the storm along with New York City. On December 7 winds of up to 80 mph (35.8 m/s) caused several large temporary structures to fail during the unveiling of Spaceship 2 at the Mojave Spaceport, causing an estimated $1 million in property damage. Washington Dulles airport and Roanoke, VA reported 21.4 inches and 17.8 inches (544 and 452 mm) of snow, respectively, which broke records for the month of December. Figure 9. Indeed, that is what was seen in the radar mosaic (Fig. Figure 27. Please try another search. Conditions were also quite wet in Louisiana, which reported its 5th wettest December on record (1895-2009). Click on image to enlarge. Low 38. 40-km NAM model isentropic analysis on the 300 K surface at 1800 UTC on 18 December showing pressure (mb; green contours), wind (kt; barbs), and omega (color fill, where warmer colors represent upward vertical motion). More than 1000 daily records were set in both precipitation and snowfall during the month. There were also isolated pockets greater than 10 degrees F (5.5 degrees C) below normal. Within the larger scale trough, short wave troughs were located over the Texas coast, Oklahoma Panhandle, and the northern Rocky Mountains. Click on image to enlarge. Click on image to enlarge. The wettest areas of the Southern Region included much of the gulf rim, where precipitation totals ranged from 150 to over 300 percent of normal. It was also the wettest year on record there (1977-2009). The remaining states had departures that ranged from 2.2 degrees F (1.2 degrees C) below normal in Maryland to 0.1 degrees F (0.1 degrees C) below normal in Vermont. Manhattan, NY warning76 °F Cloudy. Found inside – Page 86The Philadelphia hot weather - heat watch / warning system : development and application , summer 1995. ... Available : http://www.weather . gov / climate / xmacis.php ? wfo = okx ( accessed 3 December 2009 ) NYCOOHMH ( New York City ... A swath of very heavy snow extended from western North Carolina through western Virginia and West Virginia to southern New England (Fig. Courtesy of The Weather Channel’s Twitter feed comes this discussion of the major winter storm currently affecting the West. Most of extreme northeast Georgia, the area along and to the south of Interstate 85 in Upstate South Carolina, and the southern part of the Charlotte metropolitan area experienced a mixture of rain, sleet, and freezing rain. Super Saturday, the last Saturday before Christmas, typically nets $15 billion in retail sales. The Weather Channel map at left is for the 7 th and shows a powerhouse storm hitting the state. Found inside – Page 204... October 2013 INTERNATIONAL TELECOMMUNICATION UNION – TELECOMMUNICATION STANDARDIZATION SECTOR: Information technology – Abstract Syntax Notation One (ASN.1): Specification of basic notation, ITU-T Recommendation X.680, December 2009 ... Found inside – Page 15MDAQMD 2009 ( Mojave Desert Air Quality Management District ) . California Environmental Quality Act ... Accessed December 2009 and 2010 . U.S.EPA 2009b ( United States ... Website : http://www.weather.com . Accessed December 2009 . Regional Observations Seven deaths were reported to have been caused by the storm. Found inside – Page 53In an interview (Sierra, Cları ́n, 9 December 2009b), the then Director of Environmental Affairs, said that Argentina ... 6 December 2009a) but especially the weather phenomena thematic frame: ''2009 saw the worst weather in 50 years. Meteor. Found insideWorld Watch Magazine, November–December 2009, 10–19. http://www.worldwatch.org/files/pdf /Livestock%20and%20Climate%20Change.pdf. ______. “'Livestock and Climate Change': Critical Comments and Responses. Service on Washington, D.C.'s Metrorail was suspended to all outdoor stations at 1 pm on December 19 and remained suspended until late in the day December 20; underground service remained operational. December 2009 was cooler and wetter than usual. Figure 1. Found inside – Page A-9-AB02 NRV December 2009 / [ Uv1 Enjoy peace of mind during your RV adventures knowing your prearrangement plans are safe ... 330 Cummins Diesel , 6spd Allison Trans , Full Body Paint , Automatic 4 Leg Leveling , 20 ' Weather Pro Awning ... Click on image to enlarge. [11], On roads, snow plows were unable to keep up with fast snow accumulations. Forever In Love / The Love Unlimited Orchestra / The Best Of Barry White's Love Unlimited Orchestra. For information on local temperature and precipitation records during the month, please visit NCDC's Records page. 25). In addition to breaking several daily snowfall totals, Norfolk broke its December snowfall and snow depth records. The blizzard caused flights and trains to be canceled, and left areas without power. Click on image to enlarge. Flood Outlooks, Radar The model temperature profile at HKY was similar to Asheville's in that the temperature and wet bulb temperature profiles were subfreezing except for a slightly above freezing surface temperature. [3] The storm broke the record for the amount of snow in a single December event at Ronald Reagan Washington National Airport, where 16.4 inches (42 cm) of snow accumulated. Earlier, a series of major El Nino fuelled Pacific storms had pounded California, causing flooding and mudslides. The 300 K isentropic analysis at 1800 UTC showed a well-defined, strong wind flow climbing the isentropic surface with the maximum upward motion centered over Georgia and extending into the western Carolinas (Fig. Event Overview A cold area of high pressure with a large area of subzero temperatures moved south into the Central Plains on Tuesday, December 15, 2009. Please select one of the following: Historic Western Carolinas & Northeast Georgia Tornadoes. Found inside – Page 155December,. 2009. Overview. What a rollercoaster of a year this has been and the ride is far from over. At year's start, optimism over positive change was very high. There have been twists and turns, victories and disappointments. December 2009 Wednesday evening look at The Winter Classic weather December 30, 2009. It was an exceptionally wet year across Georgia, Alabama, western Florida, and portions of South Carolina with many stations ranking in the top 5 in terms of annual precipitation totals. Found insideThe large totals in 2009 and 2010 were due mainly to spells of persistent snow cover during the period 18–26 December 2009 and 6–15 December 2010. A depth of 27cm occurred on 6 January 2010, this being the deepest observed in Reading ... Found inside – Page 85The very cloudy day 24 December 2009 (class 0.8–0.899 of daily cloud shade), the day with intermediate cloudy sky 28 December 28, 2009 (class 0.4-0.499) and the sunny day 29 December 2009 (class 0.2–0.299) have been studied. Similar temperature anomalies were also observed in west central Texas, particularly in the western panhandle. Found inside – Page 189Yet the following winter (2009-10) is likely to be more memorable for the southern parishes. Snow accumulations of 1” to 3” (25-75 mm) fell across numerous southern parishes on 4-5 December 2009, re-establishing the record earliest date ... Click on image to enlarge. Found inside – Page 46A brilliant Geminid fireball lights up the Mojave Desert at Hercules Finger rock, near Victorville CA, as captured in this photograph by Wally Pacholka on the morning of 14 December 2009. © Wally Pacholka/ AstroPics.com/TWAN density of ... The existence of multiple jet streams with wind maxima at different levels is a common feature of strong cyclogenesis. High 48. Figure 24. declares state of emergency, more than 100,000 homes without power", "Storm heads north after socking East Coast", "Nor'easter Still Pounding Eastern New England", "Storm Finally Exits a Snow-Covered East Coast", "Winter Arrives, Blanketing East Coast in Snow", "Storm threatens U.S. retailers' last holiday push", "Snowstorm Threatens 'Super Saturday' Sales", "Washington area retailers try to recoup sales lost in snowstorm", "The Northeast Snowfall Impact Scale (NESIS)", "Storm Goes Northeast With Its Snowy Blanket", Major snow and ice events in the United States, https://en.wikipedia.org/w/index.php?title=December_2009_North_American_blizzard&oldid=1042839200, 2009 natural disasters in the United States, Articles with dead external links from September 2010, Articles with dead external links from June 2016, Creative Commons Attribution-ShareAlike License, This page was last edited on 7 September 2021, at 01:43. Chance of rain 70%. Found inside – Page 155December,. 2009. Overview. What a rollercoaster of a year this has been and the ride is far from over. At year's start, optimism over positive change was very high. There have been twists and turns, victories and disappointments. … On September 23rd, Sydney, Australia looked more like Mars than Earth as a dust storm rolled in from the Outback, cloaking the city in clouds of orange dust. South Dakota, Nebraska, and Kansas remained drought free and abnormal dryness (D0) and moderate drought (D1) conditions remained largely the same across Colorado. Found inside – Page 8The features of BlackBerry App World include downloads, Front Page Carousel, entertainment, games IM and social networking, weather, news, and others. Indian High Court criticizes government over license cutoff date issue The Delhi High ... Bull. By 1200 UTC on 18 December, the surface low pressure system (1001 mb) was near the mouth of the Mississippi River (Fig. [1] In Kentucky, 107,000 power outages were reported. Numerous locations received more than a foot of snow from the event. The Weather of December 2009. The downward-sloping (from left to right) blue shades near the left-hand margin of the image were probably associated with snow gradually descending to the surface. Office Staff, Current Conditions Of interest was the tower of upward motion (orange and red shades) between the two jets that extended from the surface all the way to 250 mb. northwest North Carolina and western Virginia, northern Virginia and the Washington, DC, metro area, At 1800 UTC, surface low pressure was centered over northwest Florida, the precipitation was diminishing across northeast Georgia and the western part of Upstate South Carolina, the HKY temperature profile to the extent that snow changed to freezing rain around 0130 UTC, last of the precipitation forced by the surface low exited the GSP forecast area prior to 1200 UTC, the low pressure system was near the Outer Banks, placed it off the southern New England coast on the morning of 20 December, National Oceanic and Atmospheric Administration. The blizzard disrupted several regions, and in some areas the snowfall … Author's Note: The following report has not been subjected to the scientific peer review process. The region saw 131 percent of the normal December amount, with the southern states a bit wetter than the northern states. The resulting deep vertical motion produced moderate to heavy rain and snow during the afternoon and early evening. Boston, MA 68 °F Cloudy. Image taken by Bob Child. The average low temperature of 21.1°F was 1.1°F below normal. Click on image to enlarge. It was also the 12th coldest December in Arkansas, which reported a state monthly mean temperature of 37.9 degrees F (3.3 degrees C). Soc., 296 pp. Of note was a small warm nose forecast near 850 mb. The MRR images were obtained from RENCI. For 7-days Ending 12/15/09 at 4:00 a.m. PST. Click on image to enlarge. Storm Prediction Center It ranked 23rd on a list of 37 high impact snowstorms that had affected the region from southern Virginia to New England by that date. [5][19], Some regions affected by the storm experienced winds up to 25–30 miles per hour (40–48 km/h) with gusts of 45–50 miles per hour (72–80 km/h). Figure 11. Aviation Found inside – Page 133... seedlings to cultivation pots was performed on 15 March 2009, and the experiment took placed from 1 April 2009 to 4 December 2009. Weather conditions were taken from a meteorological station sited 100 m from the experimental plot. Vol. This indicated the initial precipitation would more than likely arrive at the surface as rain, but as evaporation cooled the air, freezing or frozen precipitation would eventually be observed. In this particular situation, that circulation resulted in the tall tower of upward motion seen in Fig. Click on image to enlarge. The dry conveyor belt (axis of strong northwest winds) over the northwestern Gulf of Mexico was descending along the same isentropic surface resulting in a region of very dry air that tightened the moisture gradient and contributed to further development of the comma cloud pattern seen in satellite imagery.