Rainfall Totals through 9 AM Wednesday

September 19, 2018

 

TOWN 24 HR RAIN TOTAL Through 9 AM Wed
   
Waterloo (Airport) 1.34
Dubuque (Airport) 0.63
Cedar Rapids (Airport) 1.03
Iowa City (Airport) 0.60
 
Ainsworth 7.4 mi N 1.00
Amana 4.7 W 0.60
Anamosa 1.9 SE 1.20
Anamosa 3 SSW 1.29
Asbury 0.61
Belle Plaine 1.17
Belleview 0.3 SSW 0.75
Brighton 0.48
Calmar 1.16
Cascade 0.68
Cedar Falls 0.4 WNW 0.99
Cedar Rapids 2.7 NE 1.48
Cedar Rapids 3.4 NW 1.15
Center Junction 2.6 W 1.07
Center Point 0.6 NNW 0.87
Central City COOP 1.11
Charles City COOP 1.71
Coggon 0.74
Conrad 0.65
Coralville 1.3 SE 0.87
Cresco 1 NE 1.14
Decorah 4.9 SE 1.12
Decorah 7.9 mi ENE 1.12
Dorchester 3 S 0.63
Dysart 0.62
Elkader 6 mi SSW 1.13
Fairfax 4.0 NW 0.86
Ft. Atkinson 1.11
Garwin 0.67
Grinnell 0.6 NW 1.11
Grundy Center 0.65
Guttenberg Dam 10 1.40
Hampton 0.50
Independence 0.9 WNW 0.86
Ionia 2 mi W 1.06
Iowa City 0.61
Iowa City 4.5 N 0.85
Iowa City 8.0 NE 0.94
Kalona 7.3 NNW 0.21
Kesley 0.93
Lansing 4.1 NW 1.01
Lowden 0.36
Manchester #2 0.74
Manchester 1.1 N 0.77
Maquoketa 4 W 0.37
Marengo 3.6 N 0.57
Marion 1.7 mi NNW 0.60
Monona 1.06
Monona 9.8 N 0.67
Monticello COOP 0.82
Mt. Auburn 2.2 NNW 0.61
Nashua 2 SW 1.44
New Hampton 0.3 mi NNW 1.18
New Hampton 0.4 mi SW 1.17
Nora Springs 2.4 SSE 1.45
North English 0.55
North Liberty 0.6 NW 1.30
North Liberty 0.7 SSW 0.73
Oelwein 3 WNW 0.81
Osage 4.7 E 2.10
Osage COOP 1.92
Parnell 0.1 WNW 0.52
Postville 5.5 NE 0.93
Quasqueton 0.5 W 0.73
Rickardsville 0.2 W 0.66
Sigourney 1.1 W 0.72
Solon 0.3 mi ESE 0.47
St. Ansgar COOP 1.48
Strawberry Point 1.52
Swisher 0.4 NNE 1.41
Toledo 3 N 0.55
Traer 0.81
Tripoli 1.39
Urbana 1.02
Vinton 0.54
Volga 1 NE 1.35
Washington COOP 1.30
Washington 5.8 W 0.83
Waterloo 1.9 SSE 0.93
Waucoma COOP 2.00
Waucoma 3.2 mi S 1.37
Wellman 4.0 E 0.53
Williamsburg 3 SSE 0.52
Winthrop 5.6 NNE 0.98
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This post was written by Eileen Loan
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Top 10 Wettest

September 18, 2018

Showers and storms moved through eastern Iowa Tuesday morning into the early afternoon. Rain came down heavy with the storms during the morning. There were some strong wind gusts with the storms as well. Waterloo reported a peak wind gust of 39 mph, Cedar Rapids 50 mph, Iowa City 52 mph and Dubuque had just 26 mph. Through the early evening, everyone has received at least 0.50″. The map below shows the amounts across eastern Iowa.

There is no more rain in the forecast through midnight so the 1.34″ of rain in Waterloo is most likely the total for the day. That amount ties the daily record originally set in 1900.

The rain totals for the month are well above normal. Waterloo is so far above normal it is now in the top 10 wettest September’s on record.

We still have a lot of the month to go. Just in the next two days we have chances of rain. It will not take much rain go get into the 4th position.

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This post was written by Schnack
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Monday Weather Photos

September 17, 2018

We had a few showers and storms push through eastern Iowa Monday afternoon and evening. Several great photos captured the unique nature of weather.

Shelf cloud in Decorah (Credit: Andy Bonnet)

Shelf cloud north of Decorah (Credit: Kathy Rosendahl)

Sunset in Asbury . (Credit: Sandy Tompkins)

Isolated shower on the south side of Waterloo (Credit: Toni Fisher).

Isolated shower. (Credit: Corby Holt)

Sunset (Credit: Daniel Hampe)

Sunrise (Credit: Kristi Rupprecht)

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This post was written by Schnack
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Average Lows Dropping

September 16, 2018

The last several mornings have had temperatures in the lower to middle 60s.  However, this time of year, we should be right around 50° for our morning temperatures.  That quickly drops in the next several weeks, as we transition from summer to fall.  The Autumnal Equinox is officially Saturday, September 22 at 8:45 PM…so just six days away.

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This post was written by Kyle Kiel
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Drought Monitor and 2018 Rain (so far..)

September 13, 2018

No doubt, the beginning of the month of September was a wet one.  In fact, it put Waterloo and Dubuque over the top as far as yearly rainfall.  Below shows the big 4.  The top numbers are how much rain has fallen so far this year, compared to the yearly average (Jan. through Dec.).

The recent heavy rainfall has also put an end to the drought for much of Iowa.  This week, 6.41% of the state is experiencing drought, compared to 18.67% last week.

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This post was written by Kyle Kiel
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Hurricane Florence

September 12, 2018

Space station view of Hurricane Florence on Wednesday, September 12.

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Active Tropics

September 10, 2018

Today (Sept 10) is the peak of hurricane season for the Atlantic Basin.

This evening we have three named storms in the Atlantic…Florence, Issac and Helene.

Florence is forecast to remain a Category 4 storm as it heads toward the the southeast coast of the United States. Somewhere along the North Carolina coast appears to be where it moves onshore. It is a large storm so it is not just the center of circulation people should be concerned about. Look how far in, from the coast, the heavy rain falls. The latest forecast shows the rainfall amounts will be 10″ to as much as 20″ across much of North Carolina and Virginia.

Winds along the coast could exceed 130 mph. Only one hurricane has brought sustained winds of 130 mph or stronger to North Carolina since 1851, it was Hurricane Hazel in 1954.

The chart below shows Florence began off the coast of Africa and the path it has taken through Monday.

Since 1970, there have been six hurricanes to make landfall as a category 4 or 5, three of those six were last year. Florence has the potential for make it the seventh.

Here is what it looks like in the center of the hurricane from one of Hurricane Hunters.

 

Several models are suggesting the eye of the storm to make landfall along the North Carolina Coast.

Here is the official forecast from the National Hurricane Center as of Monday evening.

 

 

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Tracking the Tropics: Two Systems Potentially Impacting US

September 8, 2018

Right now, we are in the heart of the hurricane season in the Atlantic Ocean.  The climatological peak of hurricane season is September 10th.   Sure enough, as close as we are, things are active in the Atlantic AND Pacific.

In the Atlantic, all eyes are on Florence (and two systems behind that one, along with several waves in Africa).  As of 9 PM Saturday evening, Florence was a strong Tropical Storm, tracking west.

The forecast has been consistent in bringing this storm near, or into the United States east coast by the middle and end of next week.  There’s a strong high pressure that will anchor over the northern Atlantic, and steer this system toward the US.  With the high, and the hurricane, anchored to the east, our weather pattern will become “blocked,” which means we will see several days of the same type of weather if things work out the way they are forecast now.

We are also tracking Hurricane Olivia in the eastern Pacific Ocean.  Right now, it’s a Category 1 hurricane, and is forecast to weaken as it heads toward the Hawaiian islands.  Keep in mind, Hawaii is just recovering from being impacted by Hurricane Lane.

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This post was written by Kyle Kiel
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Sunset

September 7, 2018

Credit: Ashley Shimek

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This post was written by Schnack
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Cedar Rapids Tornado Update

September 7, 2018
NW SIDE OF CEDAR RAPIDS, IA...

RATING:                 EF-1
ESTIMATED PEAK WIND:    100 MPH
PATH LENGTH /STATUTE/:  2.2 MILES
PATH WIDTH /MAXIMUM/:   30 YARDS
FATALITIES:             0
INJURIES:               0

START DATE:             SEP 03 2018
START TIME:             908 PM CDT
START LOCATION:         NW SIDE OF CEDAR RAPIDS / LINN COUNTY / IA
START LAT/LON:          41.9709 N / -91.7393 W

END DATE:               SEP 03 2018
END TIME:               914 PM CDT
END LOCATION:           NW SIDE OF CEDAR RAPIDS / LINN COUNTY / IA
END LAT/LON:            41.9934 N / -91.7096 W

SURVEY SUMMARY: A TORNADO TOUCHED DOWN NEAR THE INTERSECTION OF
SKYLINE DR. NW AND MEADOWLARK LANE NW NORTHWEST PORTION OF CEDAR 
RAPIDS, AROUND 908 PM MONDAY EVENING. THE TORNADO MOVED NORTHEAST
THROUGH RESIDENTIAL NEIGHBORHOODS. THE TORNADO DESTROYED A 
GARAGE, UPROOTED AND SNAPPED LARGE TREES AND POWER POLES, AND 
CAUSED MINOR DAMAGE TO ROOFS. THE TORNADO LIFTED NEAR THE 
INTERSECTION OF 29TH ST. NW AND Q AVE. NW AROUND 914 PM. THE 
STORM ALSO CAUSED STRAIGHT LINE WIND DAMAGE AT A BUSINESS NEAR THE
INTERSECTION OF COLLINS ROAD NE AND I-380. WINDS ESTIMATED AROUND
80 MPH CAUSED A PARTIAL COLLAPSE OF A METAL POLE BARN.

EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE
FOLLOWING CATEGORIES.

EF0...WEAK......65 TO 85 MPH
EF1...WEAK......86 TO 110 MPH
EF2...STRONG....111 TO 135 MPH
EF3...STRONG....136 TO 165 MPH
EF4...VIOLENT...166 TO 200 MPH
EF5...VIOLENT...>200 MPH
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