Mammatus

February 8, 2016

Clouds that remind you of spring and summer.

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Tracking Snow Showers & Wind

February 7, 2016

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
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Near Blizzard Conditions Late Sunday & Monday

February 6, 2016

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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Super Bowl Weather & Climate Stats 1967-2015

February 6, 2016

SuperBowlClimate

17 of 49 Bowls Played indoors(34.7%)

18 of 49 Bowls had a Trace or More of Rain at nearby Airport(37%)

2 Bowls had Snow on Game Day (1982,2006)

1 Bowl played during an Ice Storm (2000)

Warmest High Temperature of 82° (1973,2003)

Coldest High Temp for Dome Game 16° (1982)

Coldest High Temp for Non-Dome Game 43° (1972)

Wettest Super Bowl .92 inches (2007)

Outside Games With High Wind Gust (1980, 1984, 1989,2007)

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The above stats come from William Schmitz (Southeast Regional Climate Center)

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Blizzard or Near Blizzard Conditions

February 5, 2016

Blizzard or near blizzard conditions are possible Sunday afternoon into Monday afternoon in eastern Iowa. Right now a Blizzard Watch is in effect for north central and northwest Iowa. This area could be expanded farther east as we get closer. Light snow is forecast to fall (1-2”)..that is not the big story. The bigger concern is the strong wind (gusts to 45 mph) Sunday afternoon through Monday afternoon. The snow that fell early this week and the additional 1-2” expected to fall will cause hazardous travel conditions. Again this is for Sunday afternoon through Monday afternoon.

 MW WatchesWarningsAdvisories Blizzard Watch

The area of concern for the significant blowing snow will be in locations where the deeper snow pack is. The map below shows the snow depth across the area as of Friday.

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Definition Blizzard

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National Weatherperson’s Day

February 5, 2016

If you haven’t heard already, February 5th is National Weather Person’s Day.

john_jeffriesThis “holiday” is to commemorate the birth of John Jeffries in 1744.  Jeffries is said to be one of the first people to take weather observations beginning in 1774.  Twice daily, National Weather Service offices across the United States send up a weather balloon with a radiosonde that measure different weather parameters at different layers in the atmosphere.  Jeffries took the first weather balloon observation in 1784.

From the National Weather Service: “National Weatherperson’s Day was created to recognize the men and women who collectively provide Americans with the very best weather, water, and climate forecasts and warning services of any nation in the world.”

All of us with the KWWL Storm Track 7 weather team appreciate you tuning in for your eastern Iowa forecasts each and every day.

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A Wide Range in Temperatures

February 4, 2016

Last night the official low temperature at the Waterloo Airport was 4 below zero. It seemed a bit low so I checked other reporting stations in Waterloo and Cedar Falls to compare. I found most were 5-10 degrees above zero for overnight lows. So that is a 10-15 degree difference just across town. Very interesting. The images below show the locations of the temperatures compared to the airport. There is temperature plot as well as a list of weather conditions before and after the low occurred. The blue highlighted portions is when the low was reported. So if your thermometer this morning was not below zero…you are not alone.

6DMA Low Today3D

 

 

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Don’t Do This

February 4, 2016

The video comes from the Colorado Department of Transportation . The person in the black truck put many people in danger by doing this. It happened on February 2.

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Coldest Temperature in Iowa

February 3, 2016

Story from the National Weather Service:

February 3, 1996: Extremely cold temperatures that began on January 31st persisted into early February with wind chills as low as -79 F at Mason City on the morning of the 2nd and high temperatures of -20 F recorded at Elkader and Oelwein that afternoon. Temperatures finally bottomed out on the 3rd with all-time record lows occurring across the region, including -47 F at the Osborne Conservation Center southwest of Elkader which tied the all-time Iowa low temperature record set in 1912. All-time records were broken on the morning of the 3rd at about 20 percent of the official observing sites around Iowa including Albia with a low of -31 F, Muscatine and Toledo at -34 F, Belle Plaine and Indianola at -35 F, Fayette at -40 F, and Chariton where the reading of -38 F broke their all-time record which was set just three days earlier on January 31st. Over the four days from January 31st through February 3rd the statewide average temperature was -13.5 F making it the second-coldest four day stretch on record in the state. Des Moines reported an unprecedented 132 consecutive hours below zero from January 30th into February 4th.
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Snow Storm Totals

February 3, 2016

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The video below is the time lapse of the entire storm.

 

Here is time lapse from when the storm was over the Pacific Ocean and the evolution across the Midwest.

Town Snow
Waterloo 7.1
Dubuque 2.7
Cedar Rapids 1.0
Iowa City 1.0
Anamosa 3SSW, IA 0.5
Audubon, IA 7.0
BELLE PLAINE, IA 3.0
CASCADE, IA 1.5
Central City 6.7 W 1.0
CHARLES CITY, IA 9.0
Clarksville 5.0
COGGON, IA 4.2
CONRAD, IA 2.3
Decorah 7.3
Decorah 6ESE, IA 8.0
Decorah 7.9 ENE 7.3
Dubuque #3, IA 2.4
Dysart 3.1 N 3.2
Edgewood 7.5
ELKADER 6SSW, IA 5.3
Ely 0.5 SE 0.3
FAYETTE, IA 7.4
Fort Atkinson 7.0
GRUNDY CENTER, IA 5.7
GUTTENBERG L & D 10, IA 5.0
Independence 6.0
IONIA 2W, IA 7.0
IOWA FALLS, IA 9.0
Lansing 10.0
LOWDEN, IA 0.5
MANCHESTER NO. 2, IA 3.2
MARENGO, IA 0.7
Marion 1.2 NE 1.5
Monticello, IA 1.5
NASHUA 2SW, IA 8.0
New Hampton 0.4 SW 6.8
NEW HAMPTON, IA 13.0
Nora Springs 2.4 SSE 9.0
Oelwein 0.8 WNW 6.0
PARKERSBURG, IA 7.0
Quasqueton 1.8 S 2.4
Solon 0.3 ESE 1.0
STANLEY 4 W, IA 6.0
Strawberry Point 9.0
TOLEDO 3 N, IA 3.0
TRAER, IA 4.0
TRIPOLI, IA 6.2
VINTON, IA 5.0
VOLGA 1NE, IA 7.5
Waterloo 1.8 SSE 5.8
WILLIAMSBURG 3 SE, IA 1.0

The map below was the forecast:

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Here are some snow totals from the western part of the state.

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