Super Moon Pictures & Thunderstorms To Greet Arrival of Spring

***Watch WISN 12 News for the latest weather information!***

Thank you for stopping by the Weather Watch 12 blog!  Lots of exciting weather is in store over the next 5-7 days.  From thunderstorms to snow, the next week will bring both spring and wintry weather to our area.

The big story Saturday evening/night was the ‘Super Moon’.  On the U-Local section of WISN.com viewer ‘tmmdesign’ took this picture along the lake in Port Washington just as the moon was rising.

Super Moon Port Washington 

Shortly after the moon rose Brandon Dusseau caught this great picture!

Super Moon Picture March 19, 2011

If you have pictures of the moon, or anything weather related send them our way or post them to the U-Local section of WISN.com

Spring officially begins on Sunday at 6:21 p.m. central.  The focus for the second half of the weekend will be on a chance of showers and thunderstorms.  One sign of spring is the migration of severe weather north into parts of the upper Midwest.  While severe weather can occur at anytime, it is most common in the spring and summer months in our area.

The thunderstorms on Sunday should stay below severe levels in southeast Wisconsin, but I wouldn’t be surprised to see some small hail out of the strongest storms.  Below is the severe weather day 2 outlook from the Storm Prediction Center(SPC).  The tan line indicates that thunderstorms are possible within this area, it includes almost all of Wisconsin.

SPC Day 1 Outlook March 20

The slight risk area stays to our south over mainly Iowa and Missouri.  I’m sure it won’t be long before severe weather finds its way into the Badger state.

After the rain chance exits Sunday night, the focus will shift to Tuesday and Wednesday.  Low pressure will move into the Plains and Midwest.  Below is the HPC forecast surface map at 7 a.m. Wednesday.

Surface Map Wednesday March 23

The storm should start as rain on Tuesday, and possibly change to a mix or snow showers on Wednesday as cold air spills in.  From Sunday to late Tuesday precipitation totals could top 1.00″ in spots.

Below is the RPM precipitation forecast through 4 p.m. Tuesday.  Keep in mind that the RPM goes out 84 hours.  The area of heaviest precipitation will shift around between and Tuesday, but I do expect some areas to pick up 0.50″ to 1.00″.

RPM Total Rainfall

This is the fourth time that this particular storm has occurred in the pattern this season, and each time it has produced over a 0.50″ of moisture. 

Make sure to watch WISN 12 News for the latest on the active pattern ahead, and post your thoughts and questions to the comments section of the blog.

Have a great day!

Jeremy Nelson

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4 Responses

  1. Jeremy…. Well, the snow cover hung on to most (97%) of the trails at Greenbush, despite the 4 days in the 50’s (the dry weather helped), but we need a some snow and cold now. I see that snow is forecasted in central Wisconsin Tue/Wed followed by 3-4 days of 20’s and low 30’s. Now if the Elkhart Lake area could get into say 6-8″ of that white gold, I do believe we could be skiing until the last days of March. How does that signature storm look? Sure would like to extend the season another week, especially since its getting dark after 8 pm. now. Need your expert advice. Thank you very much. Matt

    • Matthew,

      Certainly the chance of snow is a little better your way, but still the main area of snow looks like it will be in northern WI. Temps will be colder, which is good news for any snow hanging on. I’ll look more at the ‘signature’ storm in tomorrow evening’s blog. Make sure to check back.

      Jeremy

  2. Sunday, March 20, 2011 4:22 pm

    Rainfall etc report: Total from 9am to 4:10pm = 1.20 inches

    Rain began right near 9am this morning. Mostly continuous rain of varying intensity throughout the day. Occasional instances of thunder, mostly of the long, low, rumbling type. Some slightly gusty winds, but nothing too strong.
    Presently have some wind, maybe in the 10mph range, from the SE. Some low dark clouds moving quite rapidly from SE to the NW. No rain at present.

    Cordially,
    Tony (Pl. Prairie)

    • Thanks for the total Tony! Jeremy

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