Friday Evening Update on Sunday Storms

April 22, 2016

Here are a couple of model outputs on the potential for any storms Sunday evening. Both show storms about 7 or 8 PM in central and western Iowa. As they continue to move east overnight, they are expected to weaken.

DMA 3D PM FutureTrack SatRad - RPM 4km 1

Any storm that develop in western Iowa, particularly southwest, some of them could be severe with large hail and damaging wind.
KWWL 2015 MAX Storm ED

 

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Full Moon

April 21, 2016

6

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Double Rainbow

April 21, 2016

 

There were many rainbows seen this evening with scattered showers across eastern Iowa. Here are a few photos of “Double Rainbows”. The primary rainbow is in the middle and brighter. The secondary rainbow the colors are reversed compared to the primary rainbow. Click here to see how Double Rainbows form.

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Dust Devil

April 20, 2016

The dust devil lasted about 30 seconds as it interrupted a college softball game in Lynchburg, VA.

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More Rain for Waterlogged Houston and Some Rain for Us

April 20, 2016

A very productive and slow-moving system continues to dump a LOT of rain in a few areas of the nation.

An area of moderate to heavy rainfall continues to churn around Omaha and Council Bluffs and is expected to dump over an inch of rain in many areas of Western Iowa and Eastern Nebraska. We will have a few showers and thunderstorms tracking through the viewing area later, but they will be more spotty and may only produce a quarter- to half-inch of rain by the time the system tracks out of the area Thursday evening.

The cold front trailing from the low over us has produced a line of storms that is tracking toward Houston, TX and will produce more rainfall in the soaked city.  While the storms are dying out, Houston is waterlogged and the rain will have nowhere to go. You can see the line of storms on the visible satellite loop from NOAA’s GOES-14 satellite this morning.

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Near Normal April…So Far

April 19, 2016

Our recent warm weather was well above normal for the middle of April. If you add in the first part of the month, where it was really cold, it pretty much balances out to near normal…so far.

1 2 3 4

Charts from Iowa Enviromental MesoNet.

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24 Hour Rain Totals

April 19, 2016

Rain fall amounts from 7 AM Monday to 7 AM Tuesday

 

Town Rain
Waterloo 0.17
Dubuque 0.00
Cedar Rapids 0.01
Iowa City 0.02
Ainsworth 7.4 N 0.03
Amana 4.7 W 0.08
Anamosa 3SSW, IA 0.09
BELLE PLAINE, IA 0.58
BLOCKTON, IA 0.63
BRIGHTON, IA 0.09
CASCADE, IA 0.04
Cedar Falls 1.4 SSE 0.28
Cedar Rapids 3.4 NW 0.02
Center Junction 2.6 W 0.07
Center Point 0.6 NNW 0.06
Central City 6.7 W 0.05
CHARLES CITY, IA 0.34
Clarksville 0.2 NW 0.10
COGGON, IA 0.04
COLWELL, IA 0.48
CONRAD, IA 0.05
Coralville 1.8 NW 0.02
CRESCO 1NE, IA 0.23
Decorah 6ESE, IA 0.15
Decorah 7.9 ENE 0.16
Dysart 3.1 N 0.17
Eldora 1.2 ENE 0.17
ELKADER 6SSW, IA 0.07
Ely 0.5 SE 0.03
FAYETTE, IA 0.22
Fort Atkinson 0.2 SE 0.23
FULTON, IA T
Gilbertville 1.0 NW 0.85
GRUNDY CENTER, IA 0.08
GUTTENBERG L & D 10, IA 0.04
HAMPTON, IA 0.18
HARTFORD, IA 0.08
Hopkinton 5.4 WSW 0.05
IONIA 2W, IA 0.24
IOWA CITY, IA 0.02
IOWA FALLS, IA 0.25
Kalona 7.3 NNW 0.03
KESLEY 3 NNE, IA 0.13
Latimer 1.9 NE 0.04
LORIMOR, IA 0.27
LOWDEN, IA 0.04
MAQUOKETA 4 W, IA 0.02
MARENGO, IA 0.08
Marion 1.2 NE 0.03
Marion 1.7 NNW 0.03
Monona WWTP, IA 0.06
Monticello, IA 0.07
NASHUA 2SW, IA 0.15
New Hampton 0.3 NNW 0.24
New Hampton 0.4 SW 0.25
NEW HAMPTON, IA 0.30
NEWTON, IA 0.09
Nora Springs 2.4 SSE 0.10
NORTH ENGLISH, IA 0.03
OELWEIN 1E, IA 0.27
OSAGE , IA 0.32
PARKERSBURG, IA 0.15
Peosta 2.9 E 0.00
Quasqueton 1.8 S 0.11
Robins 0.4 SSE 0.03
Sigourney 1.1 W 0.18
ST ANSGAR, IA 0.10
STANLEY 4 W, IA 0.33
TOLEDO 3 N, IA T
TRIPOLI, IA 0.42
VINTON, IA 0.30
VOLGA 1NE, IA 0.05
WASHINGTON, IA 0.14
Waterloo 1.0 SW 0.11
Waterloo 1.8 SSE 0.26
Waterloo 3.0 NNW 0.14
Waucoma 3.2 S 0.34
WILLIAMSBURG 3 SE, IA 0.02
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Houston Flooding

April 18, 2016

Flash flooding has caused major flooding in and around the Houston area last night and today. The map below shows the white shaded area with 8″+. There have been some reports up to 17″ of rain in some locations.

KWWL 2015 MAX Storm ED

During a live report Monday morning, a man drove into flooded waters not knowing how deep it was. It didn’t take long for his car to start floating and then as if filled with water it sank. The man was lucky to get out of the car fast enough to survive.

2

 

Click the sign above for more information.

 

Here is a look at the rain amount in Houston. The daily rain total was 9.91″ (2nd on record for Houston). Compare that to the wettest days here in eastern Iowa:

Waterloo 6.00″ (9/8/1941)
Dubuque 8.85″ (9/14/1967)
Cedar Rapids 5.35″ (8/27/2009)
Iowa City 5.65″ (6/22/2007)

 

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Dust Devil in Northeast Iowa

April 17, 2016

One of our KWWL viewers, Morgan LaRue, caught a photo of a dust devil just before 2 o’clock Sunday afternoon near Chickasaw, on the Chickasaw/Bremer County border.  Here is her description of what happened:

amberdust devilYes, it does look ominous, but these tend to occur in open spaces and rarely cause any damage.  Morgan tells us that the dust devil let up as it crossed the roadways, but then picked back up again in another field.

How did this happen?  We’ve had a very warm weekend, with temperatures in the upper 70s to lower 80s.  As we know, darker surfaces absorb more heat, so as the sun shined on the bare soil, the soil heated up quicker than the surrounding environment (just above the surface).  So, the air was forced to rise and swirls of wind picked up the dirt and caused the rotating column of dust you see in the picture above.

These are different from tornadoes, as tornadoes come from a funnel clouds, and are far more violent.  While this particular dust devil caused no damage or injury and many dust devils that occur generally don’t, that hasn’t been the case with others.

 

 

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This post was written by Kyle Kiel
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Warm Weekend

April 16, 2016

We’ve had a very nice stretch of warm, dry weather across eastern Iowa due to a large ridge in the mid levels of the atmosphere, blocking any storm systems from tracking into Iowa.  Here’s a look at the highs from Saturday (4/16).

temp

Many areas reached the 80° mark, which is about 20 degrees above the average for April 16th.

Here’s the last time it hit 80°+ for the big four cities:

Waterloo: October 11, 2015 – 83°

Dubuque: September 24, 2015 – 81°

Cedar Rapids: April 3, 2016 – 81°

Iowa City: April 3, 2016 – 81°

Temperatures for Sunday will be similar, and the at or above average temperature trend is forecast to continue through the end of the month.

814temp.new

 

 

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