The latest model run (18z GFS) shows the center of the storm between Joplin and Kansas City. Warm air will be pumped into the storm from the south, which could make the situation rather troublesome. Temperatures in the state Thursday will likely be within a few degrees either side of the freezing point. This will …
Category: Winter Weather
Christmas Week Storm 2009: More Watches
A Winter Storm Watch has now been issued beginning at Noon Wednesday and lasting through 6pm Christmas Day for the following counties, Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard, Mitchell and Winneshiek. A Winter Storm Watch has also been issued from 6am Wednesday morning through 6pm Christmas Day for the following counties, Benton, Buchanan, Delaware, Dubuque, …
Christmas Week Storm 2009: The First Watches Issued
A Winter Storm Watch beginning at Midnight Wednesday and lasting through 6pm Christmas Eve for the following counties, Fremont, Harrison, Mills, Monona, Montgomery, Page, Pottawattamie and Shelby. A Winter Storm Watch has also been issued beginning at Noon on Wednesday and lasting until 6pm Christmas Night for the following counties, Buena Vista, Cherokee, Clay, Dickinson, …
More Analysis on Christmas Week Storm
Here is the 0z GFS model at Noon on Christmas Eve. The 500mb chart and the 850mb Temperature chart have been superimposed and I have color coded the snow and mixed precipitation. It’s beginning to look like the storm will start out late Wednesday night as a mix of sleet, possible freezing rain and snow. …
It’s Back!
After a few model runs, the snowstorm around Christmas Day has returned with a vengence. The map above is from the 0z GFS model run tonight showing that at Midday on Thursday, the low pressure center will be moving through Missouri, the color coding (that I added), shows the heaviest snow band to be along …
A Little More White
Some light snow accumulations are possible, especially in SE Iowa tonight into Friday. One to as much as two inches of snow are possible with a storm system moving across the state. A dusting or nothing will be possible in the northern and northwestern half of the state. Temperatures will drop back into the teens …
Freezing Rain Advisory
A Freezing Rain Advisory has been issued and is in effect until 8am Sunday morning for the following counties, Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque, Iowa, Jackson, Johnson, Jones, Keokuk, Linn, Louisa, Muscatine, Scott and Washington. A seperate Freezing Rain Advisory will go into effect at 9pm this evening and will be in effect until …
Very Cold This Morning
Here is a list of lows this morning across the state Shenandoah -17 Clarinda -17 Atlantic -13 Sioux City -13 Creston, Harlan and Estherville -11 Audubon and Red Oak -10 Carroll, Orange City and Sheldon -9 Fort Dodge, Denison, LeMars -8 Algona, Knoxville, Ames, Algona and Mason City -7 Des Moines, Cedar Rapids, Dubuque and …
Blizzard of 2009: Final Snow Amounts
Here are the final Snow Amounts from the Blizzard. A few totals are the same from earlier, but some have been updated and others have been added. Some Additional Reports Sunbury 10 inches Mount Auburn 12 inches Davenport 11.7 inches Dubuque 10.5 inches
Blizzard of 2009: Wind Chill Advisories Out
As the storm continues to move off and the blizzrad conditions begin to wane, the wind chill is becoming the next factor. A Wind Chill Advisory has or will go into effect through tomorrow morning for most of the state. Temperatures are expected to drop below zero overnight and with winds decreasing to 15-25mph, this …