Snow Reports Monday Morning

March 13, 2017

Here are some of the snow reports across eastern Iowa as of 8:00AM Monday morning

Waterloo 10.4
Dubuque 4.3
Cedar Rapids 5.0
Iowa City 4.0
Ainsworth 7.4 N 2.5
Amana 4.7 W 3.2
Anamosa 3SSW, IA 5.2
BELLE PLAINE, IA 5.0
Bellevue LD 12, IA 2.0
CASCADE, IA 4.7
Cedar Rapids 2.2 WSW 4.2
Cedar Rapids 2.7 NE 5.5
CHARLES CITY, IA 7.8
Clarksville 7.5
COGGON, IA 9.5
Dubuque #3, IA 4.3
Dubuque L&D 11, IA 3.0
EDGEWOOD, IA 4.0
Ely 0.5 SE 4.2
FAYETTE, IA 6.3
GRUNDY CENTER, IA 5.0
GUTTENBERG L & D 10, IA 2.0
IOWA CITY, IA 3.0
IOWA FALLS, IA 6.0
Kalona 7.3 NNW 4.5
LOWDEN, IA 7.0
MANCHESTER NO. 2, IA 6.7
MAQUOKETA 4 W, IA 5.5
Marion 1.2 NE 5.2
Monona WWTP, IA 3.8
Mount Auburn 2.2 NNW 5.0
Nora Springs 2.4 SSE 8.0
NORTH ENGLISH, IA 1.0
Oelwein 0.8 WNW 7.1
OSAGE , IA 7.4
Quasqueton 7.7
Sigourney, IA 2.0
Solon 0.3 ESE 4.1
TRIPOLI, IA 7.6
VOLGA 1NE, IA 4.5
WASHINGTON, IA 1.8
WAUCOMA , IA 6.0
Wyoming 5.0
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Posted under Precipitation Totals, Winter Weather

This post was written by Rachael Peart
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Winter Storm Warning and Winter Weather Advisory Sunday

March 12, 2017

All of eastern Iowa is now under either a Winter Weather Advisory or Winter Storm Warning – including Keokuk and Washington counties, which were not previously included in the Winter Storm Watch. These were issued for accumulating snow and blowing snow concerns Sunday afternoon through Monday.

Snow begins in our far northwestern counties on Sunday afternoon and the snow onset line tracks east into the evening. Breezy winds develop this afternoon then become even stronger overnight as our weather maker tracks through parts of Iowa.

The heaviest of the snow is expected late Sunday into very early Monday morning. That means that Monday morning commuters (including school buses that aren’t on Spring Break) may have travel concerns tomorrow.

By late Monday morning, snow continues but the heaviest of it should be mainly out of our area. Strong winds come from the north tomorrow morning. Snowfall rates decrease into the afternoon. Winds calm later in the day. Highs tomorrow (and today) reach the low to mid 30s across most of eastern Iowa.

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Posted under Forecast Discussion, Precipitation Totals, Winter Weather

This post was written by Rachael Peart
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Latest on Winter Storm

March 11, 2017

Here’s the latest thinking as of Saturday night on the winter storm heading to eastern Iowa for later Sunday afternoon and Monday.  There’s still a little bit of uncertainty on the track of the storm, as well as the amounts, but we are getting a better idea as the storm is now moving over land.  Winter Storm Watches have been expanded to include much of the KWWL viewing area.

Sunday will start out partly sunny, with a SE wind 10-15 mph and high temperatures in the lower and middle 30s.  After 5 PM is when we have the potential for snow to develop across our northwestern counties. The snow will overspread the area Sunday night, and could be heavy at times.  Lows tomorrow night will be in the 20s.  The Monday morning commute will likely be tricky, so plan for some extra time for your commute.

The snow will continue through the morning hours on Monday, before winding up by late morning or early afternoon.  When all is said and done, snow totals could range from 2-4″ in our far southern hometowns, to as much as 8 inches in our northern hometowns.  The storm is still developing to our west and could shift a little over the next 24 hours, so stay tuned for updates.

This snowfall will won’t be too much of a “wet” or “dry” snow, it will end up somewhere in between.  Keep that in mind when shoveling or plowing.

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Posted under Forecast Discussion, Winter Weather

This post was written by Kyle Kiel
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Winter Weather Alerts Extended for Sunday

March 11, 2017

The winter storm watch was extended early Saturday to include Grundy County and parts of southwestern Wisconsin.

Snow moves in during the afternoon from west to east, with northern counties seeing the snow first. By dinner time Sunday, snow extends as far south as highway 20. The entire eastern half of the state will have snow shortly after midnight Monday. Snow continues through the morning Monday before tapering off that afternoon.

Snow will accumulate across eastern Iowa. The heaviest snow amounts are expected north of and along highway 20. Those areas can expect an isolated area of more than six inches (6”), however, 4-6” is possible for most north of highway 20. South of highway 20, those are areas where 2-4” is possible. These values will likely change as the storm tracks closer. Stay tuned.

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This post was written by Rachael Peart
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TRACKING: Winter Storm Watch Sunday PM & Monday

March 10, 2017

 

A Winter Storm Watch is in effect for the counties shaded in blue late Sunday through Monday.  More winter weather alerts are likely throughout the weekend.

A winter storm tracks into the region late Sunday into Monday.  This has the potential to bring 2-6 inches of snow across eastern Iowa, with the most across our northern area.  This will likely have major impacts on the Monday morning commute.  Stay with KWWL for updated forecasts, as the amounts may shift or change a bit as new information rolls in as the storm gets closer.  As of Friday night the storm is off the west coast of the United States.

Here are the probabilities for 1″, 2″, and 4″ or more of snow from the Weather Prediction Center (Friday evening):

 

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This post was written by Kyle Kiel
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Weekend Snow Possible

March 10, 2017

We are not officially out of winter yet, and the extended forecast brings a few “blasts” of winter weather to eastern Iowa. A few flurries are possible tonight into Saturday morning. That won’t leave much behind as far as accumulations…maybe a trace in our far southwestern areas. We dry out and could see a little sunshine Saturday afternoon. By Sunday afternoon, more snow tracks in. That is the system we’re watching for accumulating snow. Snow continues overnight Sunday and through the day Monday.

As far as totals…things are not coming together as much as we would like. It does look like by Tuesday morning, most of the state will have some snow on the ground. The majority of snow looks like it will fall along and north of highway 20. With temperatures on Sunday and Monday warming to near freezing, some of the snow will be on the heavier side. Those who see the heaviest snow may get upwards of six inches (6”).

We stay below normal through late next week. Another chance for snow tracks in Wednesday.

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Posted under Forecast Discussion, Temperatures, Winter Weather

This post was written by Rachael Peart
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Light snow across Iowa

March 8, 2017

We are tracking a narrow band of light snow in Minnesota tonight. It is moving southeast toward far northeast Iowa. It is forecast to move across Winneshiek, Allamakee and Clayton counties. Any snow accumulations will be less than 1”.

More snow is forecast to move southeast across mainly western Iowa. Parts of eastern Iowa will be on the northern edge of the 1-3” band of snow. Friday night into Saturday morning is when the snow will fall in Iowa. Areas along and south west of I-380 will see up to 1” of snow in the KWWL Viewing area.

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13 Tornadoes Monday Evening

March 7, 2017

 

The above tornado records are from 1980-2015.

 

 

Muscatine
RATING: EF-2
ESTIMATED PEAK WIND: 115 MPH
PATH LENGTH: 1.8 MILES
PATH WIDTH /MAXIMUM: 200 YARDS
FATALITIES: 0
INJURIES: 3

 

Seymour
RATING: EF-2
ESTIMATED PEAK WIND: 115-125 MPH
PATH LENGTH: 12.6 MILES
PATH WIDTH /MAXIMUM: 200 YARDS
FATALITIES: 0
INJURIES: 3

 

South of Harcourt
RATING: EF-0
ESTIMATED PEAK WIND: 70 MPH
PATH LENGTH: 2.3 MILES
PATH WIDTH /MAXIMUM/: 30 YARDS
FATALITIES: 0
INJURIES: 0

 

North of Dayton
RATING: EF-0
ESTIMATED PEAK WIND: 70 MPH
PATH LENGTH: 1.4 MILES
PATH WIDTH /MAXIMUM/: 30 YARDS
FATALITIES: 0
INJURIES: 0

 

West of Knoxville
RATING: EF-1
ESTIMATED PEAK WIND: 90 to 100 MPH
PATH LENGTH: 0.9 MILES
PATH WIDTH /MAXIMUM/: 100 YARDS
FATALITIES: 0
INJURIES: 0

 

North of Knoxville
RATING: EF-1
ESTIMATED PEAK WIND: 85 to 95 MPH
PATH LENGTH: 1.5 MILES
PATH WIDTH /MAXIMUM/: 80 YARDS
FATALITIES: 0
INJURIES: 0

 

Centerville
RATING: EF-2
ESTIMATED PEAK WIND: 115-125 MPH
PATH LENGTH: 8.1 MILES
PATH WIDTH /MAXIMUM/: 200 YARDS
FATALITIES: 0
INJURIES: 0

 

Blue Grass/NW Davenport/Eldridge Iowa…
RATING: EF-2
ESTIMATED PEAK WIND: 120 MPH
PATH LENGTH: 25.3 MILES
PATH WIDTH /MAXIMUM/: 1,000 YARDS
FATALITIES: 0
INJURIES: 0

 

Bernard
RATING: EF-0
ESTIMATED PEAK WIND: 95 MPH
PATH LENGTH: 5.7 MILES
PATH WIDTH /MAXIMUM/: 25 YARDS
FATALITIES: 0
INJURIES: 0

 

Bennett
RATING: EF-1
ESTIMATED PEAK WIND: 110 MPH
PATH LENGTH: 16.8 MILES
PATH WIDTH /MAXIMUM/: 100 YARDS
FATALITIES: 0
INJURIES: 0

 

Low Moor
RATING: EF-1
ESTIMATED PEAK WIND: 110 MPH
PATH LENGTH: 4.36 MILES
PATH WIDTH /MAXIMUM/: 50 YARDS
FATALITIES: 0
INJURIES: 0

 

Walcott
RATING: EF-2
ESTIMATED PEAK WIND: 115 MPH
PATH LENGTH: 34.7 MILES
PATH WIDTH /MAXIMUM/: 200 YARDS
FATALITIES: 0
INJURIES: 0

 

Grandview
RATING: EF-2
ESTIMATED PEAK WIND: 115 MPH
PATH LENGTH: 0.3 MILES
PATH WIDTH /MAXIMUM/: 150 YARDS
FATALITIES: 0
INJURIES: 0

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Posted under NOAA, Severe Weather

This post was written by Schnack
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Burning Discouraged Tuesday

March 7, 2017

A WIND ADVISORY is in effect until 6pm this evening for Winneshiek, Allamakee, Chickasaw, Fayette, and Clayton counties. Winds could gust up to 50 mph today, which could cause some minor damages.

A RED FLAG WARNING is in effect until 6pm this evening for those counties along and south of highway 20. Wind gusts up to 45 mph are possible and coupling strong winds with low moisture content in the air increases the risk for any fires to spread quickly. Avoid outdoor burning today.

For the most part, things stay quiet today. Strong west winds continue today and Wednesday, as well. Temperatures will be slightly cooler (but still above normal) in the low to mid 50s. Mostly sunny skies both today and tomorrow make for a pair of beautiful looking, but windy, days. Highs Wednesday will be even cooler than today – warming into the mid-40s to low 50s.

Winds calm but clouds increase by Thursday. We are tracking several chances for wintry weather this weekend.

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Posted under Fire, Forecast Discussion, Windy

This post was written by Rachael Peart
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Elevated Fire Danger Tuesday

March 6, 2017

Strong winds Tuesday with dry grass increases the risk for fire danger.

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This post was written by Rachael Peart
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