Winter Weather in Iowa, April 18, 2013

Name: Winter Weather in Iowa, April 18, 2013
Start: 2013-04-18T11:00
End: 2013-04-18T23:00
Location: Iowa

April 18, 2013 · NWS FSD · 3 events in 3 counties and zones

Wet snow accumulated 2 to 5 inches in northwest Iowa near the northern border of the state during April 18th.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS FSD wrote it up.

Wet snow accumulated 2 to 5 inches in northwest Iowa near the northern border of the state during April 18th.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sioux Falls, SD wrote its last area forecast discussion before the first event at Apr 18, 10:07 AM CST, 53 minutes earlier.

Area forecast discussion, Apr 18, 10:07 AM CST, 53 minutes before

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Hazardous weather outlook, Apr 18, 10:18 AM CST, 42 minutes before

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In the hours before

Local storm report, Apr 18, 8:08 AM CST, 2 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
908 AM CDT THU APR 18 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0907 AM     SNOW             HAWARDEN                43.00N 96.48W
04/18/2013  E2.0 INCH        SIOUX              IA   PUBLIC

&&

TRM

Local storm report, Apr 18, 8:27 AM CST, 2 hours 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
927 AM CDT THU APR 18 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0927 AM     SNOW             SIOUX CITY              42.50N 96.39W
04/18/2013  M1.3 INCH        WOODBURY           IA   BROADCAST MEDIA

&&

BT

Local storm report, Apr 18, 8:33 AM CST, 2 hours 27 minutes before

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Local storm report, Apr 18, 10:20 AM CST, 40 minutes before

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Local storm report, Apr 18, 10:33 AM CST, 27 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 winter weather. Local standard time, as filed.

Winter Weather, Lyon

When: April 18, 11:00 AM CST to 11:00 PM CST
Where: Lyon forecast zone
Reported by: Trained Spotter
Coordinates: 43.381, -96.210 (the zone’s center; the record gives no point)

Wet snow accumulated 2 to 5 inches.

Winter Weather, Osceola

When: April 18, 11:00 AM CST to 11:00 PM CST
Where: Osceola forecast zone
Reported by: Law Enforcement
Coordinates: 43.379, -95.624 (the zone’s center; the record gives no point)

Wet snow accumulated 2 to 5 inches.

Winter Weather, Dickinson

When: April 18, 11:00 AM CST to 11:00 PM CST
Where: Dickinson forecast zone
Reported by: Law Enforcement
Coordinates: 43.378, -95.151 (the zone’s center; the record gives no point)

Wet snow accumulated 2 to 5 inches.

What these are

Winter Weather: Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Iowa in 2013 Every state in 2013 This day in weather history Warnings in Iowa, April 2013

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 449355, 449356, 449357.