24 Hour Rain Totals

raindrops

Here are the 24 hour rain totals from 7am Tuesday May 24, 2016 to 7am Wednesday, May 25, 2016:

Waterloo 0.02
Dubuque 0.08
Cedar Rapids 0.05
Iowa City 0.02
Gilbertville 1.0 NW Trace
Waterloo 1.8 SSE 0.05
Waterloo 1.4 ESE Trace
Quasqueton 1.8 S 0.01
Clarksville 0.2 NW 0.05
Ackley 9.2 NNE 0.09
Hopkinton 5.4 WSW Trace
Latimer 1.9 NE 0.05
Robins 0.4 SSE Trace
Central City 6.7 W Trace
Belle Plaine, IA Trace
Manchester No. 2, IA Trace
Cascade, IA 0.07
Dubuque #3, IA 0.05
Dubuque L&D 11, IA 0.02
Hampton, IA 0.02
Conrad, IA 0.12
Williamsburg 3 SE, IA Trace
Maquoketa 4 W, IA 0.02
Toledo 3 N, IA Trace
Washington, IA 0.10

There is a chance for more showers and storms through Memorial Day weekend.

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This post was written by Rachael Peart on May 25, 2016

Lightning Safety

“When thunder roars, go indoors.”

This is a common saying when it comes to storm safety. The National Weather Service in La Crosse, Wisconsin tweeted this year’s statistics as of May 2, 2016:

050216lacrosselightningtweet

More than 20 people died per year as a result of lightning in each of the past 10 years. The most fatalities during that period occurred in 2006, with a total of 48 people. Last year alone saw 27 deaths because of lightning strikes. The number of lightning fatalities has been nearly consistent the past five years:

Lightning5years

This year’s fatalities so far have occurred in Mississippi, Florida and Louisiana. Last year, there was a total of two Iowa fatalities, one in May and one in June. On average, most of the deaths happen during the warm summer months – June, July and August.

For more information about lightning and safety tips, click here.

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This post was written by Kyle Kiel on May 4, 2016

April 6th Rainfall Totals

Here are the rainfall totals from 7AM April 6th through 7 AM April 7th.

Rain-on-green-field

Town Rainfall
Waterloo 0.02
Dubuque 0.08
Cedar Rapids 0.07
Iowa City 0.08
Monticello 0.11
Tripoli 0.05
Marengo 0.01
Belle Plaine Trace
Washington 0.03
Lowden 0.08
Charles City 0.01
Williamsburg 3 SE 0.02
Vinton 0.01
Iowa Falls Trace
Brighton 0.03
Dubuque #3 0.09
Maquoketa 4 W 0.10
Manchester 0.03
Monona Trace
Cresco 1 NE Trace
Cascade 0.13
Osage Trace
Toledo 3 N Trace
Ionia 0.04
Iowa City 0.04
Central City 0.10
Volga 1 NE 0.03
Elkader 6 SSW 0.02
New Hampton 0.16
Fayette 0.04
Coggon 0.14
Anamosa 3 SSW 0.05
Guttenberg L&D 10 0.08
Dubuque L&D 11 0.08
Gilbertville 1.0 NW 0.05
Marquette 0.2 NNE Trace
Center Junction 2.6 W 0.07
Marion 1.7 NNW 0.06
Waterloo 1.8 SSE 0.04
New Hampton 0.3 NNW 0.04
Coralville 1.8 NW 0.07
Cedar Rapids 3.4 NW 0.05
Marengo 2.6 SSW 0.01
Central City 6.7 W 0.09
Waucoma 3.2 S 0.01
Amana 4.7 W 0.05
Solon 0.3 ESE 0.05
Kalona 7.3 NNW 0.03
Ainsworth 7.4 N Trace
Waterloo 1.0 SW 0.03
Ottumwa 4.3 S 0.02
Hopkinton 5.4 WSW 0.11
Quasqueton 1.8 S 0.10
Ely 0.5 SE 0.07
Center Point 0.6 NNW 0.05
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This post was written by Kyle Kiel on April 7, 2016

Latest Rainfall Totals

Here are the latest rainfall totals from 3/26 to 3/27.  Generally a few hundredths up to a tenth of an inch, with some areas getting more than a quarter inch.

raindrops

Town Rain Amount
Waterloo 0.01
Dubuque 0.09
Cedar Rapids 0.00
Iowa City 0.17
Anamosa 3SSW Trace
Cascade Trace
Cedar Falls 0.01
Center Point 0.6 NNW Trace
Central City 6.7 W Trace
Clutier 0.01
Coralville 1.8 NW Trace
Cresco 1NE 0.04
Decorah 7.9 ENE 0.07
Dysart 3.1 N 0.03
Eldora 1.2 ENE 0.06
Elkader 6 SSW 0.01
Fayette 0.04
Fort Atkinson 0.2 SE 0.05
Fulton, 0.09
Gilbertville 1.0 NW 0.02
Grundy Center Trace
Guttenberg L & D 10 0.04
Hampton 0.02
Holly Springs 1NW 0.55
Ionia 2 NW 0.06
Iowa Falls 0.04
Lowden Trace
Marengo 2.6 SSW Trace
Marion 1.2 NE Trace
Monona WWTP 0.02
Nashua 2SW 0.05
New Hampton 0.36
New Hampton 0.3 NNW Trace
New Hampton 0.4 SW 0.03
Oelwein 0.8 WNW Trace
Solon 0.3 ESE 0.07
Stanley 4 W 0.01
Strawberry Point Trace
Toledo Trace
Tripoli Trace
Volga 1 NE Trace
Washington 0.08
Waterloo 1.0 SW 0.02
Waucoma 0.10
Waucoma 3.2 S 0.03
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This post was written by Kyle Kiel on March 27, 2016

Below Zero in spots Wednesday Morning

Temperatures were well below average Wednesday morning across eastern Iowa.

DMA Low Today3D

Where the snow fell Monday night into early Tuesday, the temperatures were in the single digits below and above zero.  Where the snow didn’t fall, temperatures were generally in the lower teens.

iowa snowWe have another quick moving storm system that will bring us light snow Wednesday evening and overnight.  Accumulations will be light, generally in the Trace to 2″, with isolated 3″ amounts possible.   The best chance for accumulating snow will be between Highway 20 and Interstate 80.

Snow Forecast DMA Hand

 

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This post was written by Kyle Kiel on March 2, 2016

Spring Flood Outlook

Hydrologists at the  National Weather Service offices in Des Moines, Quad Cities and La Crosse have issued the first Spring Flood Outlook of the season.

Spring Flood Outlook 1 for 2016In general, the rivers across eastern Iowa have a near normal chance for flooding.  The best chance for flooding along area rivers is north of Interstate 80, where most of the snow pack this winter has been.

This forecast takes into account melting snow, and the already high river levels from the unusually wet late fall/early winter we had (i.e. record rainfall in December).

While the possibility of ice jams is low, it is not zero.  We will have to watch the rivers north of Highway 20, which have more ice coverage.

These forecasts could change in the future, dependent on any heavy rain or snow event.

The next outlook will be issued Thursday, March 3rd.

Here are links to the current forecasts:

NWS Des Moines

NWS Quad Cities

NWS La Crosse

A Flood Warning has been issued for the Iowa River at Marengo until further notice.  Minor flooding is forecast.

iowa river

 

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This post was written by Kyle Kiel on February 19, 2016

Backward-flowing Waterfall

Our windy conditions are sticking around because the low can’t track past the Great Lakes right now. This is due to a large storm in the North Atlantic that just slammed into Scotland yesterday. It has wind gusts reported as high as 91 mph, causing trucks to tip over and ripping parts of roofs off of buildings. It also caused a couple of waterfalls to go the wrong way!

http://www.telegraph.co.uk/news/weather/12136476/Storm-Henry-causes-backwards-waterfall-on-Isle-of-Mull-Scotland.html


What do you think of that?

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This post was written by Schnack on February 9, 2016

Tracking Snow Showers & Wind

Wintry weather makes its return beginning tonight. A potent clipper system tracks to our north, and brings us scattered snow showers, windy conditions, and colder temperatures. Roads could be slick due to refreezing from the melting snow as well.

DMA WatchesWarningsAdvisories

Tonight, the wind picks up out of the NW between 15 and 25 mph, gusts could be 35mph+ at times. We will also be tracking scattered snow showers that will be wind driven, and the snow that’s already on the ground in northwest portions of the viewing area will be blown around, creating reduced visibility. Blizzard Warnings and Winter Weather Advisories are in places for northern and western portions of the viewing area through Monday evening. The worst conditions will be outside the KWWL viewing area.  The worst of the blizzard-like conditions will be northwest of the KWWL viewing area.

Snow Forecast DMA Hand

Total snow accumulations will be trace to 1″, with isolated 2″ possible

Winds will stay strong through Tuesday with bitterly cold air settling over us for a few days. Highs will only be in the low teens with lows dipping below zero Wednesday morning. Wind chills Wednesday morning could be 15 to 25 below zero.

Travel is expected to be hazardous tonight and tomorrow morning over most of the viewing area, but especially along and north of Highway 20.

Definition Blizzard

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This post was written by Kyle Kiel on February 7, 2016

Near Blizzard Conditions Late Sunday & Monday

A Blizzard Watch is out for northern parts of the viewing area, not because of heavy snow, but for the winds whipping around the snow that is already on the ground.  The watch is for Chickasaw, Black Hawk, Bremer, Butler and Grundy counties from 3 PM Sunday to 6 PM Monday.

DMA WatchesWarningsAdvisories

Sunday will be partly to mostly cloudy and windy.  A clipper system moving to our north will bring very gusty winds during the day, with snow showers possible later in the afternoon.

Winds will be out of the west on Sunday from 10 to 20+ mph, with gusts 35+ mph possible in the afternoon.  Near whiteout conditions are possible late Sunday and into the day on Monday.

PLEASE REMEMBER: A blizzard, by definition, does NOT have to do with the amount of snow that falls.

Definition Blizzard

The better chance for scattered snow showers will be Sunday night and Monday.  Snowfall amounts will be anywhere from a couple tenths to about an inch, with one to two inches possible in northeast Iowa.  Again, the snow will be blowing around creating travel issues.

Snow Forecast DMA Hand

Winds will stay strong into Tuesday before the system tracks away from us.

Stay tuned to KWWL and KWWL.com for the latest as we track this storm system.

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This post was written by Kyle Kiel on February 6, 2016

Not Very Often

This has been a strange winter so far when it comes to storms producing heavy snow. We don’t get heavy snows in Iowa like they did on the east coast last week.

7

We don’t have a large moisture source right next to us. Most of the storms we see around here produce less than 10″ of snow.  The winter of 2015-2016 has been a bit different. So far, Waterloo has had two storms dump 10″ of snow or more.  The first one was on November 20, 2015 when 10.5″ of snow was measured. The second one was on December 28, 2015 when 10.1″ of snow was measured.

Since records have been kept, as far back as 1895, 10″+ snow has fallen in a calendar day (midnight to midnight) 14 times . Just 14 times and two of them were this winter. The most snow was on November 30, 1934 when 14.0″ of snow fell.

Ok, so maybe there were more storms than just 14 that produced 10″+ of snow in two calendar days. Example would be if the snow began one day and ended the next and combined there was 10.”+.  Lets take a look at those numbers.

A storm spanning over two-days (snow before midnight and after), producing 10″+ of snow as happened 25 times. Again two of those were in the 2015-2016 winter (this winter). The most was when 15.8″ of snow fell on January 3-4, 1971.

One more interesting fact…yes 10″+ has fallen two times this winter…the only other winter with two 10″+ events was during the winter of 1930-31.

The forecast is for heavy snow across parts of Iowa Tuesday and Wednesday. It will be interesting to see if it will be #3 for this winter.
3

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This post was written by Schnack on January 28, 2016