Significant Events in 2013

February 21 Winter Storm
Thundersnow across central and northeast Missouri brings area 6-12 inches of snow, with sleet and snow in St. Louis Metropolitan Area.

February 26 Winter Storm
Heavy snow falls across central and northeast Missouri, as well as west central Illinois. Snowfall totals of 6-10 inches. Some thunder was also observed marking the second occurence in less than a week!

March 24 - Palm Sunday Winter Storm
The late season winter storm stands as the highest calendar day March snowfall, the second highest calendar day snowfall ever, and the sixth greatest snowfall event for St. Louis.  St. Louis (KSTL) recorded 12.4 inches for the calendar day of March 24th and 12.6 inches for the 24 hour period of 7am to 7am March 24- March 25.  This was the largest snowfall recorded at St. Louis (KSTL) since the infamous snowstorm of January 30/31 1982 commonly known as the "Blizzard of 1982".

April 10 - Severe Squall Line and Hazelwood EF2 Tornado
A severe squall line brought 60 to 100 mph wind gusts and three tornadoes to east central Missouri during the evening of April 10th 2013.  The greatest and most widespread damage occurred in north St. Louis County from Bridgeton through Hazelwood to Florissant Missouri along the track of an EF-2 tornado.

April 17-18 - Severe Thunderstorms and Flash Flooding
A slow moving storm system brought severe weather to the region during the afternoon and evening hours of April 17th.  Several rounds of heavy rainfall resulted in flash flooding during the night of April 17 and the day of April 18th.

May 31 - Severe Thunderstorms and Tornadoes
A total of nine tornadoes were surveyed by the National Weather Service in St. Louis.  The two tornadoes that were rated EF3 were associated with the most intense circulation that was located on the leading edge of the line of severe thunderstorms that affected the St. Louis Metropolitan Area, from St. Charles County, Missouri  to Madison County, Illinois.  Several other circulations were responsible for seven weaker tornadoes in Montgomery, Franklin, Jefferson Counties in Missouri and Macoupin, Montgomery Counties in Illinois. Many locations outside of the tornado tracks saw extensive wind damage from straight line winds up to 100 mph.

November 17 - Tornado Outbreak (New Minden EF4 Tornado)
A fall season severe weather outbreak occurred across the Midwest on Sunday, November 17, 2013.  Many tornadoes were reported, especially across Illinois and Indiana, and wind damage occurred from eastern Missouri eastward as far as New Jersey and New York City.  Five tornadoes were documented to have occurred within the St. Louis County Warning Area.

December 5-6 Winter Storm
A winter storm brought locally over a foot of snow fell from Iron County in Missouri to Randolph County in Illinois.

December 13-14 Winter Storm
A winter storm brought heavy snow to parts of the northeast Missouri and west central Illinois, as well as the northern St. Louis Metropolitan Area.

December 20-21 Winter Storm
A winter storm brought heavy rain, freezing rain, and snow to the Midwest from the night of December 20th through the night of December 21st, 2013. The greatest ice accumulation occured from central Missouri to west central Illinois.

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