Alert archive / Missouri / Heat Advisories in 2010

Heat Advisory 9, NWS St. Louis, MO

August 1, 201029 counties in Missouri; 17 counties in Illinois

NWS St. Louis, MO issued this heat advisory at Aug 1, 2010, 3:13 PM CDT for 29 counties in Missouri; 17 counties in Illinois. It took effect at Aug 2, 2010, 10:00 AM CDT. It was in force for 58 hr.

The area

The counties it named.

The facts

Issued
Aug 1, 2010, 3:13 PM CDT (20:13 UTC)
In effect from
Aug 2, 2010, 10:00 AM CDT
Expired
Aug 4, 2010, 8:00 PM CDT
In force
58 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 20:12 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

Heat Advisories in Missouri, 2010Heat Advisories in Illinois, 2010Every heat advisory in 2010

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.