According to the Climate prediction centre, April 9th to 13th will see unsettling weather with incessant rainfall the west of the cascades. Further toward the east, a cold mass air may settle in CONUS up to the 11th which would lead to temperatures of 10-15 degrees F below normal. The record cold may also convert rain showers into snowfall instead along the East Coast. Today 8th April saw freezing temperatures in Tennessee and Oklahoma.
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Cyclonic weather according to the GFS or Global Forecast System may bring heavy snowfall to North Dakota and Northwest Minnesota after developing on April 13th but according to the ECMWF, the cyclone may happen later bringing heavy snow in those regions as well as Wyoming. The weather reports are issuing hazardous snowfall for this period in second week of April as the cyclone will deepen lee of the Rockies.
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Heavy snow from Friday, April 13th: Central Plains, the Upper Mississippi Valley, and the Northern Plains,
Possible Flooding: Middle Mississippi Valley and the Ohio Valley Lower Mississippi Valley, the Southern Plains, and the Ohio Valley. Between April 14th-Apr-16.
Significantly below normal temperatures: the Northeast, the Southern Appalachians, the Upper Mississippi Valley, the Southeast, the Southern Plains Central Plains, the Mid-Atlantic, the Lower Mississippi Valley, the Central Appalachians, the Northern Plains, the Tennessee Valley, the Great Lakes, the Northern Rockies, Central Rockies, Central Great Basin, Northern Great Basin, Pacific Northwest, The Southwest, the Middle and Upper Mississippi Valley, , and the Ohio Valley between April 9th-April 16th.
Image Source: www.cpc.ncep.noaa.gov
According to the Climate prediction centre, there is also a Severe Drought across the Central Plains, the Central Rockies, the Central Great Basin, the Northern Plains, the Southern Rockies, California, the Southeast, the Southern Plains, and the Southwest.
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Wheat crops in the Southern plains will be affected because of the cold where 24 degrees is critical and may cause intense damage to wheat in the jointing stage. The severe cold is more or less in tune with what has been happening on the onset of winter where the National weather service declaring that the first week of 2018 was the coldest first week of the year.
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