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Helping Business Weather the Storm

National Weather Summary for Tuesday, February 5, 2019

by David Moran, on Feb 5, 2019 10:57:12 AM

An upper level low will bring the potential for freezing rain to the Central Plains and Great Lakes on Tuesday. Snow is expected from the Plains into the Great Lakes through Friday as an area of low pressure moves across the region. An area of low pressure will continue to produce snow across portions of Oregon through Tuesday afternoon. Snow will continue for the Sierra Nevadas.

  • Freezing Rain from the Plains to the Great Lakes on Tuesday
  • Snow through Friday from the Plains into the Great Lakes
  • Continued Snow across Oregon through Tuesday Afternoon
  • Snow Tuesday across the Sierra Nevadas
  • Thunderstorms Wednesday from North Central Texas to the Ohio Valley
  • Excessive Rainfall across the Ohio Valley Wednesday and Thursday
  • Potential for Thunderstorms Thursday from Northeast Texas to Southeast Missouri

US Hazards Tuesday, February 5, 2019
US Hazards

Freezing Rain from the Plains to the Great Lakes on Tuesday
Southwesterly flow aloft ahead of an approaching upper level trough will keep a layer of warm air over the region. With a stalled front in place, freezing rain is expected to develop. Accumulations of 0.10-0.40 inch are expected across southeastern Iowa, northeastern Missouri, and northern Illinois. To the southwest, accumulations will range 0.05-0.15 inch.

Major Cities in Region: Kansas City, MO, Des Moines, IA, Cedar Rapids, IA, Chicago, IL, Milwaukee, WI, Grand Rapids, MI

Freezing Rain Accumulation for Tuesday, February 5, 2019
Freezing Rain Accumulation for Tuesday

Snow through Friday from the Plains into the Great Lakes
Snow is continuing across the Northern Plains and Upper Midwest. To the west, a large upper level trough is moving eastward. As it does, an area of low pressure will develop in the lee of the Rockies on Wednesday and move across the Plains and Great Lakes. Snow is expected to develop along and north of the track of the low. Snow accumulations in excess of 18 inches are expected in portions of Wisconsin. To the west and southwest, accumulations of 6-8 inches with locally higher amounts in excess of a foot are forecast. In addition, strong gusty northwesterly winds will produce wind chills as low as -10°F.

Major Cities in Region:  Sioux Falls, SD, Minneapolis, MN, Green Bay, WI, Marquette, MI

Snow Accumulation February 5-8, 2019
Snow Accumulation through Friday

Continued Snow across Oregon through Tuesday Afternoon
Snow will continue through Tuesday afternoon as an area of low pressure continues to move eastward. Total snow accumulation will range 3-6 inches with locally higher amounts in excess of 8 inches below 4,000 feet. Above 4,000 feet, 6-9 inches with locally higher amounts in excess of a foot are forecast.

Major Cities in Region: Bend, OR

Snow Accumulation for Tuesday, February 5, 2019
Snow Accumulation for Tuesday

Snow Tuesday across the Sierra Nevadas
Heavy snowfall will continue across the Sierra Nevadas on Tuesday. Total snow accumulations will range 3-5 feet in the lower elevations and 4-7 feet above 7,000 feet. Winds gusting in excess of 50 mph will result in blowing snow and low visibilities. 

Major Cities in Region: South Lake Tahoe, CA

Snow Accumulation for Tuesday, February 5, 2019
Snow Accumulation for Tuesday

Thunderstorms Wednesday from North Central Texas to the Ohio Valley
An upper level trough moving into the region will aid in the development of an area of low pressure in the Central High Plains on Wednesday. This low will move southeastward along a stalled front across northern Oklahoma and southern Kansas Wednesday afternoon and evening. A cold front will extend to the south of the low and widespread showers and thunderstorms should develop. Damaging winds and hail will be the primary hazards with these storms. 

Major Cities in Region: Oklahoma City, OK, Dallas, TX, Tulsa, OK, Joplin, MO, Fort Smith, AR, Fayetteville, AR, Springfield, MO, Evansville, IN, Louisville, KY

SPC Convective Outlook for Wednesday, February 6, 2019
SPC Convective Outlook for Wednesday

Excessive Rainfall across the Ohio Valley Wednesday and Thursday
In addition to the thunderstorms across the Ohio Valley described above, there will be a potential for excessive rainfall Wednesday and Thursday. Two day rainfall accumulations of 2-4 inches with locally higher amounts in excess of 6 inches are expected. This will likely result in flash flooding, especially in low lying areas. 

Major Cities in Region: Evansville, IN, Louisville, KY, Cincinnati, OH, Columbus, OH

Rainfall Accumulation for February 6-7. 2019
Rainfall Accumulation for Wednesday and Thursday

Potential for Thunderstorms Thursday from Northeast Texas to Southeast Missouri
Thunderstorms from Wednesday will continue into Thursday morning along and ahead of a cold front. Although the severe potential will be low, there may be some instances of damaging winds into the afternoon hours. 

Major Cities in Region: Tyler, TX, Little Rock, AR

SPC Convective Outlook for Thursday, February 7, 2019
SPC Convective Outlook for Thursday

A Look Ahead
Snow will continue across the Great Lakes on Friday as an area of low pressure continues to move eastward. On Saturday, snow may develop in portions of the the Pacific Northwest. Freezing rain and snow are forecast for the Plains and Midwest on Sunday as an upper level disturbance moves across the region. Thunderstorms may develop across portions of Texas and Arkansas on Monday.

Topics:Nowcast/Forecast

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