Temperatures this afternoon have responded with the strong gusty south winds that have taken hold across the state. Readings are well into the 70s with an 84 being reported in Denison at 3pm. Winds have been gusty all day, with sustained winds between 15-30mph with gusts over 40mph at times. In response to this, the …
Author: Jeff Wilcox
Latest NAM/GFS MOS Run
The latest MOS runs have come out and there is large differences in temperatures between the NAM and the GFS MOS Runs especially on Wednesday. For this instance the chart below compares the highs from both the NAM and the GFS for Wednesday and Thursday. Then the map below shows the combined temperatures (Taking the …
River Flooding Easing
The List of rivers that are still flooding is a lot smaller than it was a week and even two weeks ago. Here is the latest list with some expirations on some of the forecast points included Des Moines River near Stratford (Wednesday Morning) Des Moines River near Eddyville Des Moines River at Ottumwa (Tuesday …
80 Degrees on April Fool’s Day?
An 80 degree temperature on Thursday? Is this an April Fool’s Joke? It’s no joke as there is a good chance in western Iowa, temperatures on Thursday may hit 80 degrees, readings typically seen around Memorial Day Weekend. This will likely be the warmest day in about 5 months across the state.
Warm Air In Only Days
Here is the latest GFS MOS Data with the forecasted highs for Wednesday through Friday. A change is that a cold front is expected to bi-sect the state Friday and stall as a new low pressure system develops in the Texas and OK Panhandle. Thunderstorms will be likely late Friday into Saturday with a slight …
Interesting Notes about Tornado Warnings
With the IEM receiving the data of severe Thunderstorm and tornado warnings back to 1986 from the NWS, it is worth a look at what counties (pre and post polygon era) has had the most tornado warnings issued in the state since 1986. NOTE: This does include the polygon warnings (2007-Present) which only includes parts …
70s Midweek
Here is the 0Z GFSX MOS Run on Predicted highs for Wednesday and Thursday of next week. As was written before, temperatures have been upped well into the 70s statewide for those two days next week. Outside of these selected cities, Shenandoah has a predicted high Thursday of 79°!, so an 80 degree temperature on …
Windy Afternoon
The wind has picked up this afternoon, especially in western Iowa where gusts are approaching 35-40mph. There is a risk of fires in Monona County westward into eastern Nebraska due to the strong winds (known as Extreme Fire Danger). Temperatures have responded too, with readings in the mid to upper 50s in western Iowa and …
Warmer Weather Ahead
Above are predicted highs for the state based on MOS Data. These readings are showing highs will be well into the 60s with a few locations hitting 70 by midweek next week. These readings maybe a bit conservative and temperatures could easily be 4-7° warmer than this graphics show. Up to then, tonight readings will …
River Flood Warnings Continue (3/25)
The river flood warnings remain in effect for a number of rivers across the state, mostly in central and western Iowa along with SE Iowa. Raccoon River at Fleur Dr (DSM) Raccoon River at IA Hwy 28 North Raccoon River near Perry (Until Midday today) Des Moines River near Eddyville Des Moines River at Estherville …