Alert archive / Missouri / Winter Weather Advisories in 2011

Winter Weather Advisory 3, NWS St. Louis, MO

January 18, 201129 counties in Missouri; 17 counties in Illinois

NWS St. Louis, MO issued this winter weather advisory at Jan 18, 2011, 3:33 PM CST for 29 counties in Missouri; 17 counties in Illinois. It took effect at Jan 19, 2011, 6:00 PM CST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Jan 18, 2011, 3:33 PM CST (21:33 UTC)
In effect from: Jan 19, 2011, 6:00 PM CST
Expired: Jan 20, 2011, 3:03 PM CST
In force: 21 hr
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 21:33 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 weather advisory 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 weather advisory went out at Jan 17, 4:52 PM CST, 22 hours 41 minutes earlier.

Area forecast discussion, Jan 17, 4:52 PM CST, 22 hours 41 minutes before

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Nearby

Winter Weather Advisories in Missouri, 2011 Winter Weather Advisories in Illinois, 2011 Every winter weather advisory in 2011

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.