National Weather ServiceOmaha/Valley, NE

Winter Storm-Update Feb.20-21, 2013 Multi-Media Web

BriefingCathy Zapotocny - Meteorologist

National Weather ServiceOmaha/Valley, NE

National Weather ServiceOmaha/Valley, NE

National Weather ServiceOmaha/Valley, NE

Storm Systemat 3pm 2/19/13

National Weather ServiceOmaha/Valley, NE

National Weather ServiceOmaha/Valley, NE

National Weather ServiceOmaha/Valley, NE

National Weather ServiceOmaha/Valley, NE

• Impacts• Travel Will Become Difficult/Hazardous

Due to Periods of Moderate to Heavy Snow, Some Blowing and Drifting Snow, and Reduced Visibilities – Travel between Noon-9pm may be discouraged.

• Flight Delays Possible• The Snow and Wind May Combine to

Produce Power Outages• Wind chills - 0 to 10 Above.

National Weather ServiceOmaha/Valley, NE

• Timing – Deteriorating conditions Thursday – Noon-9pm worst time to travel. Snow will begin to spread from central Nebraska into parts of eastern Nebraska Wednesday night and continue through Thursday night. Heaviest snowfall late morning through the day.

• Snow Amounts – 6”+ toward Cedar and Monona Counties. 6-10” a good part of the area. 10”+ toward Seward/Beatrice/Fairbury.

• Winds - 15 to 25 mph gusts to 30 mph.• Temperatures - Teens and 20s• Wind chills – Single Digits during the day…dropping

below zero by Friday morning.

National Weather ServiceOmaha/Valley, NE

National Weather ServiceOmaha/Valley, NE

• Caveats – Storm system is just moving on the west coast. Timing and strength may change.

• Easterly flow may usher in dry air and decrease amounts.

• Initial dry air may delay the time of the heavier snow and linger it longer into Friday.

National Weather ServiceOmaha/Valley, NE

• Outlook – • Highs - Friday and

Saturday in the 20s and in the 30s Sunday.

• Lows in the single digits and teens.

• Monday – Potential for more snow.(Moderate/Heavy Snow?)

For questions and additional information contact:http://www.weather.gov/oax

Phone: 402-359-5166

National Weather ServiceOmaha/Valley, NE