Alert archive / Iowa / Winter Storm Watches in 2018

Winter Storm Watch 9, NWS Des Moines, IA

April 16, 201812 counties in Iowa

NWS Des Moines, IA issued this winter storm watch at Apr 16, 2018, 3:42 AM CDT for 12 counties in Iowa. It took effect at Apr 18, 2018, 1:00 AM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Apr 16, 2018, 3:42 AM CDT (08:42 UTC)
In effect from
Apr 18, 2018, 1:00 AM CDT
Expired
Apr 17, 2018, 3:54 AM CDT
In force
Issued by
NWS Des Moines, IA

Counties Butler County, IA, Cerro Gordo County, IA, Emmet County, IA, Franklin County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 144 km from the middle of the area, began a volume at 08:48 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.

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this winter storm watch went out at Apr 16, 3:32 AM CDT, 10 minutes earlier.

Area forecast discussion, Apr 16, 3:32 AM CDT, 10 minutes before
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Hazardous weather outlook, Apr 15, 7:16 PM CDT, 8 hours 26 minutes before
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Nearby

Winter Storm Watches in Iowa, 2018Every winter storm watch in 2018

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.