Experts predict that "above-normal temperatures" will linger across much of the United States through September. Flooding Southern Winter Storm; Atmospheric River to Impact the Northwest. Gregory V. Jones, Director Free Long Range Weather Forecast for Pitavi, . Rainfall Graphs The general indication from forecast models and current climate signals is that a relatively cool,dry and settled September to November is unlikely. Winter Hazards, Science The northern tier of states from the Rockies eastward are forecast to see slightly below average temperatures for this time of year, while the southern tier of states centered over Texas and the Gulf Coast will likely be much warmer than average. September 13, 2019 . Multiple locations were found. 30 Day (valid September 1-30): the warm start to the month, followed by mild near average temperatures mid-month, appears to be finished with a warm ending. Some isolated areas along the coast in southern California, eastern Oregon and Washington, and the northern Great Basin and Rockies saw near average temperatures during the month. Drought Watch – drought conditions expanded slightly over the US during the month (Figure 4, left panel). A similar precipitation pattern holds during this period where dry conditions should prevail over much of the western US, except for the extreme northwest portion of Oregon and Washington and along the Canadian border. Late month storms brought near average to slightly above average precipitation to the PNW. The rest of the country has largely stayed near average to warmer than average, especially in the southeast and into the Mid-Atlantic (not shown). The areas with the highest likelihood are the desert southwest and the Four Corners region along with northern New England. The Space Weather Prediction Center (SWPC) has issued G1 and G2 geomagnetic storm watches for the nights of September 27 and 28. The western US precipitation pattern reflected the anomalous frontal passages that were in place for a few periods in the month with northern California and southern Oregon seeing 200-300% of average (still < 1” in most places), onshore flow in western Washington, thunderstorm activity in eastern Oregon/Washington and no monsoon to speak of (Figure 1). The 2019 harvest is underway in many regions, with sparkling varieties and other early ripening varieties picked across the west. Drought concerns [...], Summary: Seasonal temperatures were seen across the vast majority of the west coast states in November, while the rest of the Great Basin, Southwest, and Rockies were warmer than average[1] for the month. September 2019 Weather Summary. Calendar overview of Months Weather Forecast. However, if it does rain/snow during the month, expect most of it to occur on higher risk days. The ‘blob’ of extremely warm ocean temperatures in the North Pacific should be the main influence in the 90 day forecast (see below) with a likely warm late summer/early fall for most of the west, but likely continued higher than average humidity and minimum temperatures. 1 year ago Sunday, September 29 2019 Sep 29, 2019 Sunday, September 29, 2019 6:02:00 PM CDT September 29, 2019 Desktop News Click to open … The averages from 1981 to 2010 are the latest available data; these numbers are updated every 10 years. Precipitation during the next 90 days is forecast to have equal chances for slightly above, near-normal, or slightly below for much of the country, which for the west coast means the typical late summer dry conditions and first fall rain events in mid to late September or early October. Please select one of the following: Experimental Graphical Hazardous Weather Outlook, National Oceanic and Atmospheric Administration. Beach/Surf A plume of deep Pacific moisture will impact the Pacific Northwest into midweek, causing multiple rounds of heavy rain along the coast and in lower elevations and high elevation snow. Tropical weather forecast #2: September 15, 2019 - Duration: 2:11. Severe Weather Heat accumulation continues to lag the warmest of the last few years but remains largely above average in all but portions of the northern and southern coast of California and eastern Washington, which are closer to average or slightly below average. The forecast through mid-month indicates a warm start to September becoming mild through mid-month then warming to slightly above average later in the month with no major heat events. Office Webcam, Forecast Please Contact Us. The forecast uses global, numerical long range models from the CFSV2 and Beijing Climate Center (BCC) to attempt to predict what may happen during the coming month. Climate - September 2019. Cooler than average conditions have held in eastern Washington and Oregon, portions of southern California and into the desert southwest, Great Basin, and Rockies. The driest areas in the country in June were California, the desert southwest, and Texas, while the rest of the country experienced near average to moderately higher than average precipitation for the month, especially the northern Plains and the lower Mississippi (not shown). The only areas likely to see wetter than average conditions are in the northern and central Rockies across into the northern Plains, and the eastern seaboard from Florida to the Mid-Atlantic which will likely have tropical moisture accumulation. Locations in the Willamette Valley, the Umpqua Valley, the Rogue Valley, and the Walla Walla Valley are currently 10-25% above the 1981-2010 normals for the months of April through August and from the same to 6% lower than the same point in 2018 (see the Appendix Figure 1 for the four locations in Oregon). Northern MI Climatology Hurricane Florence update & tropical weather forecast: September 10, 2018 - Duration: 3:45. Reports also indicate that mid-month may be the center of the harvest, but the forecasted mild and dry conditions should allow for a slow and steady harvest window. The South is seeing one of its hottest September starts on record. Saturday, September 14 is expected to see sunshine and clouds mixed, with … Figure 2 – Western US October 2018 – August 2019 temperature departure from normal (left) and percent of normal precipitation (right; images from WestWide Drought Tracker, Western Region Climate Center; University of Idaho). Select a destination to see more weather parameters. gjones@linfield.edu. National Oceanic and Atmospheric Administration Regional Observations, Climate Updated on 9/27/2019 at 5:15 PM. The August forecast for warmer than average[1] temperatures over most of the western US was spot on (Figure 1). 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