Alert archive / Missouri / Winter Storm Watches in 2020

Winter Storm Watch 3, NWS St. Louis, MO

February 4, 202020 counties in Missouri; 9 counties in Illinois

NWS St. Louis, MO issued this winter storm watch at Feb 4, 2020, 3:33 AM CST for 20 counties in Missouri; 9 counties in Illinois. It took effect at Feb 5, 2020, 6:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 4, 2020, 3:33 AM CST (09:33 UTC)
In effect from
Feb 5, 2020, 6:00 AM CST
Expired
Feb 4, 2020, 2:46 PM CST
In force
Issued by
NWS St. Louis, MO
All 29 counties

Calhoun County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Saint Clair 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, Jefferson County, MO, Lincoln County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 32 km from the middle of the area, began a volume at 09:34 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.

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 4, 3:33 AM CSTWinter Weather AdvisoryLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 16 more20 hr
Feb 4, 2:46 PM CSTWinter Storm WarningLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 13 more24 hr
Feb 4, 2:46 PM CSTWinter Weather AdvisoryLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more45 hr

Nearby

Winter Storm Watches in Missouri, 2020Winter Storm Watches in Illinois, 2020Every winter storm watch in 2020

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.