Alert archive / Iowa / Flash Flood Watches in 2019

Flash Flood Watch 2, NWS Omaha, NE

May 18, 2019Cass County, Otoe County, Nebraska; 6 counties in Iowa

NWS Omaha, NE issued this flash flood watch at May 18, 2019, 4:36 AM CDT for Cass County, Otoe County, Nebraska; 6 counties in Iowa. It took effect at May 18, 2019, 4:00 PM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 18, 2019, 4:36 AM CDT (09:36 UTC)
In effect from
May 18, 2019, 4:00 PM CDT
Expired
May 19, 2019, 1:00 AM CDT
In force
9 hr
Issued by
NWS Omaha, NE
Flood severity
None

Counties Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Cass County, NE, Otoe County, NE

The radar

The Omaha radar (KOAX), 74 km from the middle of the area, began a volume at 09:36 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 Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 18, 12:07 AM CDTSpecial Weather StatementOAXGage, Jefferson, Saline23 min
May 18, 12:28 AM CDTSpecial Weather StatementOAXGage32 min

Nearby

Flash Flood Watches in Iowa, 2019Flash Flood Watches in Nebraska, 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.