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05-28-2013 07:45 AM
As many of you know the main issue had to do with the three large MCC -Mesoscale convective Clusters-- that hit large portions of the WCB and specifically Iowa -- over the past three days.
For those of you that do not know .. a MCC is a large group of powerful and slow moving thunderstorms which usually develop during the overnight hours that last through Dawn and drop significant rains.
Over the long the three day weekend there were three specific and large well organized MCC features. I have saved the radar images of these 3 different MCCs which I am presenting here so you can get a better grasp of how the weekend developed.
SYSTEM #1 - early SATURDAY morning 25 MAY, 2013
SYSTEM #2 -that lasted from 1AM to 830 AM CDT early SUNDAY morning 26 MAY, 2013
SYSTEM #3 - early MONDAY morning 75 MAY, 2013...from 3am to 9AM
SYSTEM #4 - early TUESDAY MORNING 1230-430AM CDT
This link shows the total rainfall and high resolution across portions of the Upper Plains/ Dakotas and the WCB MAY 24-25... Notice the 5 to 10 inch rainfall amounts being reported officially on the ground and portions of south central NEB.
This link shows the total rainfall and high resolution across portions of the Upper Plains/ Dakotas and the WCB MAY 25-26... Notice the large stripe of 3 to 6" rains over southeast... central and Northwest IA into southeastern portions of SD. One location near Spencer Iowa into far northwest corner reported almost 11 inches of rain on Saturday into Sunday morning.
05-28-2013 07:54 AM - edited 05-28-2013 07:59 AM
HIGH RES RAINFALL MAP MAY 26-27
Notice that there are many locations in southeastern Nebraska that reported between 5-10 inches of rain ... And also take note of the large areas of 2 to 5" rains over northwest IA... central IA... and over central ILL
05-28-2013 08:18 AM
Thank you for bringing us this infomation WXRisk. Notice on that totals map that N Iowa and SMn there`s pretty much the dividing line with below I-90 being the 'wettest" part of S Minnesota, that was where the May 2nd snowline was. We had a foot of snow that probably had 2" of water in it that took a week to get rid of. Then we had nuisance rain inbetween, we only had maybe 4 days May12-16 that was field fit. Right now we didn`t get the 8" stuff, places like Grinnell got, but we are so saturated that even .5 or .7" just prolongs the mess. Fields pattern tiled @ 75` does little good if the culvert at the ditch is 4 feet underwater and the outlet rivers are above flood stage.
Do you see any "window" for fieldwork after next week for Iowa and the rest of the waterlogged midwest? Will we be perhaps wanting a rain in a month? Cause these roots have absolutely no reason to go down.