Alert archive / Illinois / Dense Fog Advisories in 2017
Dense Fog Advisory 13, NWS St. Louis, MO
NWS St. Louis, MO issued this dense fog advisory at Aug 29, 2017, 4:15 AM CDT for 14 counties in Missouri; 15 counties in Illinois. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2017, 4:15 AM CDT (09:15 UTC)
- Expired
- Aug 29, 2017, 10:07 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
All 29 counties
Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, City of Saint Louis, MO, Crawford County, MO, Franklin County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Pike County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 26 km from the middle of the area, began a volume at 09:15 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 Illinois, 2017Dense Fog Advisories in Missouri, 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.