...Heavy Rain and Severe Weather - April 25-27, 2009...

A series of potent upper level disturbances along with an increasing amount of moisture streaming northward out of the Gulf of Mexico produced a  period of very active weather across the central United States.  Several rounds of severe weather and flooding was the end result, with many locations receiving upwards of 2 to 4 inches of rainfall.  However, the biggest story from the weekend was the tornadic activity Saturday afternoon and Saturday evening.  For a summary and track of each tornado, please read the separate sections below.  

A graphical depiction of heavy rain can be viewed in the following two images.  The first image depicts rainfall during Saturday afternoon and evening, with the second image depicting rainfall from Sunday morning through Monday afternoon.

 

Rainfall Estimates
Rainfall Estimates Saturday April 25th

Rainfall Estimates Sunday and Monday
April 26-27

 

Tornado #1:

On Saturday evening, April 25th a tornado touched down in southwest Leavenworth county in Kansas at 6:35pm.    National Weather Service representatives along with local emergency management officials from Leavenworth county have conducted a damage survey from the tornadic activity which occurred over southern Leavenworth county.

Initial survey results indicate damage to several homes, numerous out buildings and trees, along with additional ground scouring along the tornado path.  Leavenworth This damage was produced by an EF-0 to EF-1 rated tornado, with maximum speeds between 86 and 110 mph. 

The tornado produced a damage path of an estimated 8 miles, with reports and observations indicating this tornado remained on the ground around 15 minutes.  Survey officials reported a damage path from 50 to 75 yards wide with two homes sustaining moderate EF-1 damage. There were also several barns damaged or destroyed. Aereal surveys indicated that this tornado touched down at 238th Street and Loring crossed I-70, and then stayed nearly parallel to the interstate as it moved northeast to near 190th Street and Metro Avenue.

Below are several images of the indicated tornado path along with damage points indicated by points on the google maps.  For more details, you can also view this file in Google Earth by downloading this KML file.


We would appreciate all photographs or videos of this tornado as it developed and produced damage.  Please email your photos and videos to us at:  w-eax.webmaster@noaa.gov

 

Tornado #2: 

At 917 pm cdt, a second weak EF-0 tornado was reported Saturday evening.  This brief tornado touchdown occurred just south of the city of Cameron, MO near the Cameron airport.  No damage was reported with this brief touchdown. 

 


Damage Track from Leavenworth County
Google Earth Image of Track Google Maps Image of Track
 

The radar images below are from 6:33pm.  The first image is radar reflectivity and second is storm relative motion.

Radar Reflectivity April 25, 2009 6:33pm

Radar Storm Relative Motion April 25, 2009 6:33pm

0.5 degree Radar Reflectivity 0.5 degree Radar Velocity

 

 


 Damage Photos:

Damage from Point A on Tornado Track

Damage From Point C on Tornado Track Damage from Point D on Tornado Track

 


 Storm Reports:

GMT Time County Location Type Magnitude Comment
04/25/2009 22:50 Daviess Winston,MO HAIL 0.75 reported at hwy 6
04/25/2009 23:07 Daviess 1 N Gallatin,MO HAIL 1 estimated golfball size hail at lake viking n of gallatin.
04/25/2009 23:22 Daviess Jamesport,MO HAIL 0.75  
04/25/2009 23:28 Hancock Hamilton,IL HAIL 0.75  
04/25/2009 23:32 Leavenworth 6 Sw Tonganoxie,KS HAIL 0.75  
04/25/2009 23:35 Leavenworth 6 W Linwood,KS TORNADO 0 just s of i-70, 1 n of k-32
04/25/2009 23:46 Grundy Tindall,MO HAIL 0.75  
04/25/2009 23:47 Leavenworth S Tonganoxie,KS HAIL 0.25 pea size hail and 60 mph winds
04/25/2009 23:50 Wyandotte W Bonner Springs,KS TORNADO 0 tornado still being reported on the ground, w of bonner springs
04/25/2009 23:55 Leavenworth 5 Nnw Linwood,KS TORNADO 0 barn destroyed
04/25/2009 23:58 Leavenworth 4 Nnw Linwood,KS TORNADO 0 reports of destruction to barns, cars upside down, and some damage to homes. location near 206th street and i-70.
04/26/2009 00:03 Leavenworth 6 N De Soto,KS FUNNEL CLOUD 0 funnel cloud report 6 n of de soto and 8 sw of leavenworth.
04/26/2009 00:20 Platte 6 S Platte City,MO HAIL 0.5 reported at i-435 and hwy 45
04/26/2009 01:34 Leavenworth 5 Sw Tonganoxie,KS TSTM WND GST 70 reported at 246th st and dehoff rd, 6 miles w of reno
04/26/2009 01:50 Leavenworth 6 Nw Basehor,KS HAIL 0.88  
04/26/2009 01:50 Leavenworth 5 Nw Basehor,KS HAIL 0.88  
04/26/2009 01:55 Platte Dearborn,MO HAIL 0.88  
04/26/2009 02:04 Dekalb Osborn,MO HAIL 1  
04/26/2009 02:17 Clinton 1 Sw Cameron,MO TORNADO 0 along a hwy near the airport
04/26/2009 02:17 Dekalb Cameron,MO TORNADO 0 along a hwy near the airport
04/26/2009 02:30 Dekalb N Osborn,MO HAIL 1  
04/26/2009 02:52 Daviess 5 S Jamesport,MO FLOOD 0 3 to 4 inches of water flowing over the road at hwy v and hwy 190
04/26/2009 03:45 Leavenworth Tonganoxie,KS FLASH FLOOD 0 water rescue occurring due to flooding of tonganoxie creek
04/26/2009 04:20 Mercer Princeton,MO HAIL 0.88  

 


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