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SPC Severe Thunderstorm Watch 70

WW 70 SEVERE TSTM IA IL WI 122020Z – 130300Z URGENT – IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 70 NWS STORM PREDICTION CENTER NORMAN OK 320 PM CDT SAT APR 12 2014 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND NORTHEAST IOWA EXTREME NORTHWEST ILLINOIS SOUTHWEST WISCONSIN * EFFECTIVE THIS… Read more →

SPC MD 324

MD 0324 CONCERNING SEVERE POTENTIAL…WATCH LIKELY FOR IOWA INTO PARTS OF SRN WISCONSIN/NRN ILLINOIS MESOSCALE DISCUSSION 0324 NWS STORM PREDICTION CENTER NORMAN OK 0230 PM CDT SAT APR 12 2014 AREAS AFFECTED…IOWA INTO PARTS OF SRN WISCONSIN/NRN ILLINOIS CONCERNING…SEVERE POTENTIAL…WATCH LIKELY VALID 121930Z – 122130Z PROBABILITY OF WATCH ISSUANCE…80 PERCENT SUMMARY…SEVERE STORM DEVELOPMENT APPEARS INCREASINGLY LIKELY ACROSS THE REGION DURING… Read more →

Severe Weather Breakdown – 4/12/14

Update (4/12/14 2:20): It looks like the threat for severe weather is shifting north as we move through the day.

Here is the latest look at the RAP for the composite reflectivity at 8pm.

18z RAP Composite Reflectivity
18z RAP Composite Reflectivity

Notice most of the convection is north across parts of Iowa.

There is still the threat for severe weather despite the smaller coverage area. Also, there is still the threat for a renegade storm across parts of Kansas.

SPC MD 323

MD 0323 CONCERNING SEVERE POTENTIAL…WATCH UNLIKELY FOR PARTS OF SWRN MN…NE IA…SRN WI…NRN IL…SRN LAKE MI AND ADJACENT NW IND/SWRN MI MESOSCALE DISCUSSION 0323 NWS STORM PREDICTION CENTER NORMAN OK 1024 AM CDT SAT APR 12 2014 AREAS AFFECTED…PARTS OF SWRN MN…NE IA…SRN WI…NRN IL…SRN LAKE MI AND ADJACENT NW IND/SWRN MI CONCERNING…SEVERE POTENTIAL…WATCH UNLIKELY VALID 121524Z – 121730Z PROBABILITY… Read more →