A clipper system will bring rain, snow and strong winds later today through Friday so read on for the details…
A potent clipper system will slide through the area later this afternoon through Friday. Light moisture in the form of rain will start to work into northwest Iowa by later this afternoon with the possibility of some of this not reaching the surface. This wave of precipitation will continue to press east into north central and northeast Iowa by mid to late afternoon with a better chance of saturation leading to falling snow from north central into eastern Iowa. That wave of light snow will continue to press to the east this evening. Scattered rain showers will follow behind the main wave later Thursday evening into early Friday morning across the state. Another piece of energy will slide through Friday morning with additional flurries/snow showers possible.
In addition to the precipitation, strong southwest winds will increase across western Iowa by later this afternoon with level 1-2 on my wind intensity scale. This risk will spread east into the rest of the state by later this evening. Then a cold front will slide through on Friday that will switch the wind back around to the northwest and this wave of wind will be more potent then today. My wind intensity scale does show levels of generally 2-4 across the state which is at least advisory criteria. Temperatures will crash throughout the day Friday leading to Friday night lows back in the teens and single digits with even a few areas across northwest to north central Iowa below zero. This will make wind chill values 10-20 below across the northern part of the state Saturday morning. The strong winds will subside by late Friday night as the system moves off to the east. The total precipitation, snow and wind forecast is below.
Total Precipitation Forecast – Valid Today through Tonight
Snow Forecast – Valid Today through Tonight
Iowa Storm Center Wind Gust Intensity Scale – Valid Friday
Level 6. Damage may occur to buildings and trees. Power outages possible. High Profile Vehicle Roll-Over Likely. Do NOT recommend traveling in this zone.
Level 5. Some trees are broken, building damage possible. High Profile Vehicle Roll-Over Likely. HIGH WIND WARNING CRITERIA
Level 4. Slight damage may occur to trees/buildings. High Profile Vehicle Roll-Over Possible.
Level 3. Small branches may break, walking is difficult.
Level 2. Large trees sway, becoming difficult to walk. WIND ADVISORY CRITERIA
Level 1. Small trees sway, breezy
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