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Helping Business Weather the Storm

National Weather Summary for Thursday, February 14, 2019

by David Moran, on Feb 14, 2019 11:11:07 AM

Thunderstorms may develop over central California on Thursday as an upper level low moves eastward. This same system is expected to produce heavy to excessive rainfall across southern California. Moisture moving in from the Pacific will allow for a risk of excessive rainfall across southeastern California and western Arizona. Snow will continue for the Sierra Nevadas through Saturday as a series of troughs move through the region.

  • Thunderstorms for Central California on Thursday
  • Excessive Rainfall Thursday across Southern California
  • Potential for Excessive Rainfall across Southeastern California and Western Arizona on Thursday
  • Snow through Saturday across the Sierra Nevadas
  • Potential for Snow across the Northern and Central Plains on Friday
  • Snow Friday and Saturday for the Ohio Valley

US Hazards Thursday, February 14, 2019
US Hazards

Thunderstorms for Central California on Thursday
Plentiful moisture and an upper level low moving over the region may allow for the development of thunderstorms. Small hail and damaging winds will be the primary hazards with these storms. 

Major Cities in Region: Sacramento, CA

Thunderstorm Risk for Thursday, February 14, 2019
Thunderstorm Risk for Thursday

Excessive Rainfall Thursday across Southern California
Southwesterly winds off the coast will feed moisture into Southern California, causing widespread rainfall. Heavy rainfall is most likely from Point Conception southward to San Diego and further inland. Rainfall amounts of 4-6 inches with locally higher amounts in excess of 7 inches are expected. This will lead to localized flash flooding and mudslides, especially in areas with burn scars.

Major Cities in Region: San Diego, CA

Rainfall Accumulation for Thursday, February 14, 2019
Rainfall Accumulation for Thursday

Potential for Excessive Rainfall across Southeastern California and Western Arizona on Thursday
Showers and thunderstorms are also forecast across southeastern California and western Arizona along and ahead of a cold front. Rainfall amounts of 2-3 inches are expected with locally higher amounts in excess of 4 inches. 

Major Cities in Region: Yuma, AZ

Rainfall Accumulation for Thursday, February 14, 2019
Rainfall Accumulation for Thursday

Snow through Saturday across the Sierra Nevadas
Deep Pacific moisture will be moving ashore into the weekend as two areas of low pressure move inland. Snow will continue with accumulations of 2-3 feet expected in the higher elevations. In addition, strong winds will promote blowing snow and reduced visibilities, as well as dangerous wind chills. Snow is expected to wind down Saturday into Sunday.

Major Cities in Region: South Lake Tahoe, CA

Snow Accumulation for February 14-16, 2019
Snow Accumulation through Saturday

Potential for Snow across the Northern and Central Plains on Friday
An upper level trough will be moving over the Plains on Friday. At the same time, a ridge will be moving southward behind a low moving through the Great Lakes. This will produce freezing rain and snow across the Northern and Central Plains. Snow accumulations of 2-5 inches with locally higher amounts in excess of 6 inches are expected. Freezing rain is expected along the southern periphery of the region, generally from northern Oklahoma eastward. Ice accumulations will range 0.20-0.25 inch. 

Major Cities in Region: Rapid City, SD, North Platte, NE, Topeka, KS, Tulsa, OK, Omaha, NE, Kansas City, MO, St. Louis, MO

Snow and Ice Accumulation for Friday, February 15, 2019
Snow and Ice Accumulation for Friday

Snow Friday and Saturday for the Ohio Valley
An area of low pressure developing over the Southeast will move northeastward Thursday into Friday as an upper level trough moves across the region. Snow and ice are expected along and north of the low's track. Snow accumulations of 2-4 inches with locally higher amounts in excess of 5 inches are expected. Ice accumulations will range 0.10-0.20 inch. 

Major Cities in Region: Paducah, KY, Evansville, IN, Louisville. KY

Snow and Ice Accumulation for February 15-16, 2019
Snow Accumulation for Friday and Saturday

A Look Ahead
Freezing rain and snow will continue from the Plains into the Great Lakes on Sunday as an area of low pressure moves eastward. By Monday, snow will move into portions of the Northeast. Showers and thunderstorms are forecast across the Southeast on Tuesday ahead of a cold front. Another round of freezing rain and snow may move across the Midwest on Wednesday.

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