Alert archive / Missouri / Dense Fog Advisories in 2012
Dense Fog Advisory 2, NWS St. Louis, MO
NWS St. Louis, MO issued this dense fog advisory at Feb 5, 2012, 11:42 PM CST for 22 counties in Missouri; 11 counties in Illinois. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Feb 5, 2012, 11:42 PM CST (05:42 UTC)
- Expired
- Feb 6, 2012, 9:00 AM CST
- In force
- 9 hr
- Issued by
- NWS St. Louis, MO
All 33 counties
Adams County, IL, Brown County, IL, 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, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion 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, Shelby County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 57 km from the middle of the area, began a volume at 05:42 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 |
|---|---|---|---|---|
| Feb 5, 7:34 PM CST | River Flood Warning | LSX | Clinton | 5 days |
Nearby
Dense Fog Advisories in Missouri, 2012Dense Fog Advisories in Illinois, 2012Every dense fog advisory in 2012
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.