Alert archive / Missouri / Dense Fog Advisories in 2018
Dense Fog Advisory 2, NWS St. Louis, MO
NWS St. Louis, MO issued this dense fog advisory at Jan 8, 2018, 3:36 PM CST for 29 counties in Missouri; 17 counties in Illinois. It took effect at Jan 8, 2018, 8:54 PM CST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jan 8, 2018, 3:36 PM CST (21:36 UTC)
- In effect from
- Jan 8, 2018, 8:54 PM CST
- Expired
- Jan 9, 2018, 12:00 PM CST
- In force
- 15 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 21:36 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 9:42 PM CST | Dense Fog Advisory | LSX | Audrain, Boone, Callaway, Cole, Gasconade, Knox and 11 more | 10 hr |
Nearby
Dense Fog Advisories in Missouri, 2018Dense Fog Advisories in Illinois, 2018Every dense fog advisory in 2018
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.