Alert archive / Missouri / Winter Storm Watches in 2017

Winter Storm Watch 1, NWS St. Louis, MO

January 11, 201729 counties in Missouri; 17 counties in Illinois

NWS St. Louis, MO issued this winter storm watch at Jan 11, 2017, 3:31 AM CST for 29 counties in Missouri; 17 counties in Illinois. It took effect at Jan 13, 2017, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 11, 2017, 3:31 AM CST (09:31 UTC)
In effect from: Jan 13, 2017, 12:00 AM CST
Expired: Jan 12, 2017, 1:49 PM CST
In force
Issued by: NWS St. Louis, MO

All 46 counties

Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 18 km from the middle of the area, began a volume at 09:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS St. Louis, MO wrote its last area forecast discussion before this winter storm watch went out at Jan 10, 11:55 PM CST, 3 hours 36 minutes earlier.

Area forecast discussion, Jan 10, 11:55 PM CST, 3 hours 36 minutes before

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Nearby

Winter Storm Watches in Missouri, 2017 Winter Storm Watches in Illinois, 2017 Every winter storm watch in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.