Alert archive / Missouri / Flash Flood Watches in 2019

Flash Flood Watch 18, NWS St. Louis, MO

September 20, 201912 counties in Missouri; Adams County, Brown County, Pike County, Illinois

NWS St. Louis, MO issued this flash flood watch at Sep 20, 2019, 3:28 AM CDT for 12 counties in Missouri; Adams County, Brown County, Pike County, Illinois. It took effect at Sep 21, 2019, 7:00 PM CDT. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Sep 20, 2019, 3:28 AM CDT (08:28 UTC)
In effect from
Sep 21, 2019, 7:00 PM CDT
Expired
Sep 22, 2019, 3:08 PM CDT
In force
20 hr
Issued by
NWS St. Louis, MO
Flood severity
None

Counties Adams County, IL, Brown County, IL, Pike County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Pike County, MO, Ralls County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 123 km from the middle of the area, began a volume at 08:28 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

Flash Flood Watches in Missouri, 2019Flash Flood Watches in Illinois, 2019Every flash flood watch in 2019

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.