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Next 12 Hours

Forecast data from the National Digital Forecast Database.

5 Day Forecast

• Wednesday
• 
• High: 90 °
• Low: 66 °
• Chance of T-Storms

• Thursday
• 
• High: 81 °
• Low: 57 °
• Chance of T-Storms

• Friday
• 
• High: 88 °
• Low: 64 °
• Chance of T-Storms

• Saturday
• 
• High: 99 °
• Low: 66 °
• Chance of T-Storms

• Sunday
• 
• High: 91 °
• Low: 66 °
• Partly Cloudy

Area forecast discussion 
National Weather Service Omaha/valley NE 
733 PM CDT Tuesday may 22 2012 


Aviation... 
00z tafs for kofk...koma and klnk. 


Gusty south surface winds will be the primary concern through 
Wednesday afternoon...along with when thunderstorms will develop. 
South winds at 15 to 22kt and gusty will continue 
overnight...decreasing to under 15kts at kofk after 12z as the 
surface front approaches and later Wednesday afternoon at koma and 
klnk. Included low level wind shear after 06z as h9 winds increase 
to above 50kts. Thunderstorms expected to develop along and 
behind a cold front pushes into far northeast Nebraska Wednesday 
morning and into northeast Nebraska during the afternoon. Although 
initially very warm temperatures aloft will hinder southward 
development of the storms...may need to include thunderstorms and rain mention after 
21z. 


&& 


Previous discussion... /issued 330 PM CDT Tuesday may 22 2012/ 


Discussion... 


Wind Advisory will be cancelled early prior to forecast issuance 
as only marginal wind conditions are expected through the 
remainder of the afternoon and early evening. 


A cold front was beginning to push into the western Dakotas at 
19z and is expected to reach northeast Nebraska by Wednesday 
morning. This system will bring an increasing chance of 
thunderstorms to the area on Wednesday as it stalls out over 
southeast Nebraska Wednesday evening. Locally heavy rain will be 
possible over parts of eastern Nebraska Wednesday night with deep 
layer saturation indicated by forecast soundings. The front drifts 
slowly south into Kansas and Missouri on Thursday and Thursday 
night with rain chances decreasing for the area. On Friday the 
front begins to lift back north as a warm front with an 
increasing chance of rain for the area once again. Warmer 
temperatures are also expected to spread into southeast Nebraska 
and southwest Iowa Friday afternoon and Friday night behind the 
warm front. 


The chance of thunderstorms will continue for the area into the 
first part of the Memorial Day weekend as this complex surface 
system gradually moves across the region. Another cold front is 
expected to move through the area late Sunday and Sunday night 
with another round of heavy rain and possible severe storms. Some 
lingering showers or thunderstorms are possible early Monday 
morning but the threat of rain will shift east and south of the 
area by Monday afternoon. 


Fobert 
&& 


Oax watches/warnings/advisories... 
NE...none. 
Iowa...none. 
&& 


$$ 


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