A blizzard warning for Cape Cod expired at 1 p.m.[18] The storm reached southwestern portions of Nova Scotia, delivering up to 25 centimetres (9.8 in) of snow in Digby, Yarmouth, Shelburne and Queens counties. The Weather Channel map at left is for the 7 th and shows a powerhouse storm hitting the state. As in Fig. The jet core contained a 130 kt wind maximum over the mid-Atlantic region (Fig. The strong warm air advection just above the surface-based cold air finally modified the HKY temperature profile to the extent that snow changed to freezing rain around 0130 UTC. The season’s first major, widespread winter storm has barreled across the U.S., arriving here in the Capital District early this morning. c. 1800 UTC - 18 December 2009 to 1200 UTC - 19 December 2009. In Elko, NV, it was the 5th coldest December in 100 years and in Grand Junction, CO, it was the 4th coldest in 110 years. 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. Interior areas of West Virginia saw 30 inches (76 cm) of snow. Please Don't Forget / Aaron Neville / The Weather Channel Presents - Holiday Party. Old record was 22.3 inches set in 1945 (monthly records start in 1899) The December 2009 total of 24.3 inches is within 2 inches of the most snowfall for any month since records began in 1899. Click on image to enlarge. Click on image to enlarge. New daily precipitation record: December 25, 2009: 0.62 inches. A persistent pattern of cold northerly and easterly winds brought cold, moist air to the United Kingdom with many snow showers, fronts and polar lows bringing snowy weather with it. For additional national, regional, and statewide data and graphics from 1895-present, for any period, please visit the Climate at a Glance page. The western edge of the cloud mass consisted of a well-defined margin between high, cold clouds in the warm conveyor belt flowing from the south and warmer clouds in dry air at a lower level descending from the west. Seasonal Drought Outlook released December 19th, the drought conditions in the southwest corner of Colorado are expected to improve while drought conditions are expected to develop in northeast Wyoming and northwest North Dakota through March 2010. [24], The storm was held responsible for seven deaths in North Carolina, Ohio, Pennsylvania, Virginia, and West Virginia, including one death resulting from a head-on collision between a snowmobile driver and a horse-drawn carriage. Conditions were also quite wet in Louisiana, which reported its 5th wettest December on record (1895-2009). Full GSP Radar Imagery Click on images to enlarge. The hottest day in September 1958 was 17 September when the temperature reached 93.9°F. While monthly average temperatures were below normal, there were only 19 daily minimum temperature records tied or broken during the month. During the year, major drought episodes in California and South Texas improved significantly, while drought conditions emerged across much of Arizona, partly due to the weakness of this year's North American monsoon. 10), showed a layer from the surface up to about 800 mb where the temperature was just above 0 oC, but a relatively dry sub-cloud layer below 700 mb. Snow was falling at both AVL (33 oF) and Hickory (HKY; 31 oF), and rain was observed at GSP (34 oF). The vertically-pointing RENCI (RENaissance Computing Institute) MicroRain Radar (MRR) located in Newton, North Carolina (about 12 miles southeast of HKY) provided an interesting view of the event. Based on data from January through December, the average annual temperature for the contiguous U.S. was Light snow began falling at Hickory, North Carolina (HKY), just before 1400 UTC as the first narrow band of precipitation moved northward across central and western North Carolina. Accuweather reported "A huge storm plowing into south-central California today will bring heavy rain and heavy mountain snow with it. The double jet structure was evident in a six-hour forecast cross section of isotachs and vertical motion valid at 0000 UTC on 19 December (Fig. In contrast to the record breaking snow, areas including southern Kansas, portions of Wyoming, and western North Dakota were dry. Amer. Figure 27. Beneath the upper-level divergence, strong ascent was occurring. On the 18-19, the western edge of an east coast storm dropped nearly a foot (30 cm) of snow in eastern Kentucky. Hazardous Weather Outlook Meteor. Thurs. Figure 20. The intervals of "green fingers" reaching the ground were probably periods of heavy snow. Wallace, Alabama and Cuthbert, Georgia recorded 20.67 inches and 17.04 inches (525 and 433 mm) of precipitation, respectively, for the month. Conversely, anomalously low precipitation totals for the month were observed in northern Texas, western Oklahoma, northwestern Arkansas and in northeastern Texas. Figure 10. 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. 23. Weather models accurately predicted that this storm would meet with cold air while retaining its heavy precipitation. For details and graphics on weather events across the U.S. and the globe please visit NCDC's Global Hazards page. Travel forecast iffy for New Year's Eve, Robert Thomson , December 30, 2009. 22) over middle Tennessee. 3). The total rainfall of 50.2 millimetres in the month was about 46 percent above the normal figure of 34.5 millimetres. The upper-level wind analysis at 1800 UTC showed the primary 250 mb jet maximum over New England (Fig. James Spann | December 17, 2009 @ 2:23 pm | 3 Replies An all new edition of the ABC 33/40 Weather Xtreme video is available in the player below. The presence of a southeasterly low-level jet was highlighted by the 850 mb wind maximum of 50 to 70 kt extending from the Atlantic into the central Carolinas (Fig. Click on image to enlarge. Wind WSW 3 mph. Click on image to enlarge. The 0000 UTC surface analysis placed a 1006 mb center of low pressure over the Gulf of Mexico approximately 150 miles south of Louisiana (Fig. This month's cold location was Lodgepole, Nebraska which had its second coldest December on record with an average temperature of 18.5 degrees F (-7.5 degrees C). PLEASE NOTE: All of the temperature and precipitation ranks and values are based on preliminary data. A cold front marking the leading edge of the cold air mass reached the Southeast U.S. coast and the Gulf of Mexico late on 12/15. Only portions of southern California, Nevada, Utah, Colorado and extreme eastern Montana and Wyoming were above normal. Click on image to enlarge. [20] One Amtrak train, carrying 255 passengers, halted for six hours while a frozen track switch was fixed. 6). Click on image to enlarge. National Oceanic and Atmospheric Administration NJ Forecast - 12/26/09. The 850-700 mb thickness pattern depicted the northward progression of warm air that is the result of the 40 to 50 kt southerly wind in that layer. Synoptic Discussion. While the average temperature for the month was 11 degrees F (6.1 degrees C) below normal it was not enough to beat the old record that occurred in 1983 when Lodgepole had an average temperature of only 13.8 degrees F (-10.1 degrees C). A large area of 20 to 30 inch accumulations occurred in the central Appalachians. Found inside – Page 84Table 4.1 Community ice and weather observations under the SIKU project, 2006–2009 Site Observer, year Phenomena recorded ... October hunting, local events, 2008–December 2009 traveling Barrow Joe Leavitt, December Ice condition, ... January 2010 was provisionally the coldest January since 1987 in the UK. 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 ... Soc., 85, 177-194. 2. The average mean temperature of 28.3°F was 1.2°F below normal. Found inside – Page 25Private Financing Available *** MFD PFD Upgrade , XM weather , Traffic , Oil / Air seperator , De - ice . Perfect condition , has been maintained by Cirrus . 240TT . $ 280,900 Negotiable . 925-698-0044 CA. NDA December CIRRUS 2009 ... The snowstorm brought record-breaking December snowfall totals to Washington, D.C., Baltimore, and Philadelphia. Wea. Starting near the MS river early morning and exiting east MS by 5-6pm. Dec 2009 Highlights average mean temp 50.5°F The Normal Average Mean in 52.2°F So Dec 2009 was (1.7°F) Below Average Hottest Dec Mean Temperature 54.1°F in 2001 Lowest Dec Mean Temperature 49.6°F in 2007 Average Max Temperature was 62.2°F The Normal Dec Average High is 66.1°F So Dec 2009 was (3.9°F) Below Average Click on image to enlarge. Wisconsin ranked as the fifth wettest in the same period of record. Author's Note: The following report has not been subjected to the scientific peer review process. Education and Outreach The low levels of the atmosphere over the western Carolinas continued to experience isentropic lift in what appeared to be the rising branch in a dual jet circulation (Kocin and Uccellini 2004; pp. The high was not particularly strong, but cold air damming was underway as evidenced by the ageostrophic surface wind (i.e., nearly normal to the isobars) and cold air advection from southern Virginia across both Carolinas. Found inside – Page 148Monthly Weather Review 136(7):2321– 23.43. Tuttle, J. D., and C. A. Davis ... 2009 Community Review of the NCEP Office of the ... Vestas Corporation, personal communication, 13 December 2009, BrightGreen Exhibition, Copenhagen, Denmark. For the year 2009, the contiguous U.S. averaged 53.1 degrees F, which was 0.3 degrees warmer than the long-term average. 20, except showing vertical motion (white contours, solid is upward and dashed is downward), saturated equivalent potential temperature (Kelvins, green contours), and saturated equivalent potential vorticity (PVU; color fill). November / December 2009 Playlist. The excessive precipitation was associated with an active subtropical jet stream and the frequent passage of cyclones across the region. [20] President Barack Obama, arriving at Andrews Air Force Base after the UN Climate Conference, was forced to return to the White House by motorcade instead of helicopter. Governor Joe Manchin has launched a full investigation into why the roads were in such poor condition. [17], Winter storm warnings for New York and a blizzard warning for Long Island expired at 11 a.m. Sunday, warnings for the Boston and Providence metro areas and much of southeastern New England expired at noon. AHPS Observed Precipitation. The monthly mean temperature of 17.3 degrees was 0.5 degrees below normal. Near zero or negative values of saturated geostrophic equivalent potential vorticity indicated instability that could be released in vertical and/or horizontal motions. If you are trying to learn Spanish then this day of the week in Spanish is lunes.. A … This was 1.1 degrees F (0.6 degrees C) cooler than December 2008 and the coolest December since 2005. Champaign-Urbana Weather Highlights – December 2009 Jim Angel, State Climatologist Temperatures for December were below normal. Storm Prediction Center 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. Click here to view a list of unofficial snowfall reports. Two-hour forecast profile of temperature, dewpoint, and wind at HKY from the 13-km RUC valid at 1400 UTC on 18 December. Click on image to enlarge. The hottest day in December 2009 was 1 December when the temperature reached 60.6°F. The interstate was closed for 15 hours. Several stations in Georgia broke their all-time annual precipitation records in 2009, including Columbus, with a preliminary annual total of 80.23 inches (2038 mm), eclipsing the old record of 73.22 inches (1860 mm) set in 1964. Anomalously high totals were observed in southern Louisiana, southern Mississippi, eastern and southern Arkansas, western and southern Texas and in eastern Tennessee. High pressure extended from James Bay to the Carolinas. The meteograms were obtained from the Plymouth State College. The yellow and red colors after approximately 0000 UTC (1900 LT) occurred in conjunction with the transition of precipitation at HKY from snow to freezing rain. Portions of Newfoundland and Labrador received freezing rain as well. Found inside – Page 51717.39. Weather conditions in December 2009 (a) Air temperature. to -44оС) persisted in southern Western Siberia and in the Irkutsk Region, with lowest minima of -49оС and observed frost fogs. Extreme cold weather was also recorded in the ... December 2009. Figure 29. The upper air sounding taken at Poga Mountain was obtained from Dr. Douglas Miller, University of North Carolina at Asheville. Widespread light snowfall was observed on the 31st across western North Carolina and Virginia with most locations reporting less than 1 inch (25 mm) of accumulation. Click on image to enlarge. National Hurricane Center Click on image to enlarge. The weather forecast section of the Almanac … 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. 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. As the NHL's Winter Classic at Fenway Park nears, the forecast is gaining some clarity for the big day. Current Weather. At 1800 UTC, surface low pressure was centered over northwest Florida and precipitation had spread over nearly all of northeast Georgia and the western Carolinas (Fig. Arkansas' remarkable run of wetness during 2009 resulted in a statewide average precipitation of. [11], On roads, snow plows were unable to keep up with fast snow accumulations. 26). Graphics based on final data are provided on the Climate Monitoring Products page and the Climate at a Glance page as they become available. The blizzard caused flights and trains to be canceled, and left areas without power. A cold front swept across New Jersey on the morning of December 15th. A nearly stationary front extended from the triple point low northeast along the Carolina coast. Multiple locations were found. Found inside – Page 2Moreover, its flexible architecture built around two types of base stations — omnidirectional and sector — and its ruggedized and weather-proof enclosure add significantly to its unique value offering to Telecom Operators. ... Precipitation Amounts and Current Weather: RainEq=Rain or rain equivalent of melted snow, sleet, or ice. Good advice on driving in icy weather, Robert Thomson , December 30, 2009. Found inside – Page 2This system went live at the customer's new location on October 1, 2009. ... NWF can weather multiple equipment failures and continue to run its business, which ultimately provides peace of mind ... SAN/LAN. Newsletter. December. 2009. Found inside – Page 169... by the National Institute of Weather and Atmosphere (NIWA, http://www.niwa.co.nz) constitutes the multiple time-series in this research. The data covers a period of three years, ranging from 1st January 2007 to 31st December 2009. The cyclonic systems affecting the area also produced several weak tornadoes across portions of Georgia, Alabama and Florida. These six regions differ spatially from the nine climatic regions of the National Climatic Data Center. Click on image to enlarge. 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). Also worth mentioning was Mississippi's state average monthly total of 8.42 inches (213.87 mm), which was the 13th wettest December on record (1895-2009). Figure 24. December 2009 was extremely wet across the Region as areas of Kansas, Nebraska, and South Dakota received record breaking snowfall. The year ended with a 12-month total that was 105 percent of normal. But Heiharp is a cold and snowy place, so the tree seemed right at home in the cold weather. Metro warns that icy roads could affect bus service, Robert Thomson , December 30, 2009. Sioux City received 34.0 inches (86.36 cm) of snowfall which easily beat the old record of 22.6 inches (57.40 cm) recorded in 2008. 4, except for 1200 UTC on 18 December. 12), the near-surface layer was much too dry, but the model wet bulb temperature profile indicated the temperature in that layer would cool to below 0 oC if saturation occurred. 17) with the axis of strong wind extending west and southwest to Tennessee. Overall, the region's average temperature was 27.8 degrees F (-2.3 degrees C), which was 0.6 degrees F (0.3 degrees C) below normal. A third storm hit over the Christmas holiday, 24-27, with the heaviest snows in northwest Iowa, western Minnesota, and along the lake shore in Michigan. 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