Alert archive / Missouri / Dense Fog Advisories in 2017
Dense Fog Advisory 9, NWS St. Louis, MO
NWS St. Louis, MO issued this dense fog advisory at Feb 23, 2017, 5:52 AM CST for 19 counties in Missouri; 8 counties in Illinois. It took effect at Feb 23, 2017, 6:00 AM CST. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Feb 23, 2017, 5:52 AM CST (11:52 UTC)
- In effect from
- Feb 23, 2017, 6:00 AM CST
- Expired
- Feb 23, 2017, 9:00 AM CST
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
All 27 counties
Calhoun County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Marion County, IL, Montgomery County, IL, Pike County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Lincoln County, MO, Madison County, MO, Moniteau County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Warren County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 22 km from the middle of the area, began a volume at 11:51 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.
Nearby
Dense Fog Advisories in Missouri, 2017Dense Fog Advisories in Illinois, 2017Every dense fog advisory 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.