Alert archive / Oklahoma / Winter Storm Warnings in 2018

Winter Storm Warning 1, NWS Norman, OK

November 11, 2018Ellis County, Harper County, Woodward County, Oklahoma

NWS Norman, OK issued this winter storm warning at Nov 11, 2018, 1:48 PM CST for Ellis County, Harper County, Woodward County, Oklahoma. It took effect at Nov 11, 2018, 6:00 PM CST. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 11, 2018, 1:48 PM CST (19:48 UTC)
In effect from
Nov 11, 2018, 6:00 PM CST
Expired
Nov 12, 2018, 12:00 PM CST
In force
18 hr
Issued by
NWS Norman, OK

Counties Ellis County, OK, Harper County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 131 km from the middle of the area, began a volume at 19:45 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this winter storm warning went out at Nov 11, 1:48 PM CST, 0 minutes earlier.

Area forecast discussion, Nov 11, 1:48 PM CST, 0 minutes before
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Hazardous weather outlook, Nov 11, 12:05 PM CST, 1 hour 43 minutes before
Hazardous Weather Outlook
National Weather Service Norman OK
1205 PM CST Sun Nov 11 2018

OKZ004>048-050>052-TXZ083>090-121815-
Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield-
Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne-
Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton-
Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman-
Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
1205 PM CST Sun Nov 11 2018

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...Today and Tonight...

.Winter Weather...
A mix of rain and snow is expected to develop across northwest
Oklahoma this afternoon. The rain will change to snow this
evening and overnight across much of northern and western
Oklahoma, with a mix of rain and snow possible as far southeast as
Interstate 44. Snow accumulations of 1 to 4 inches will be
possible, with isolated higher amounts across northwest Oklahoma.

Slick spots will be likely on area roadways, especially on
bridges and overpasses tonight across western and northern
Oklahoma.

.DAYS TWO THROUGH SEVEN...Monday through Saturday...

.Winter Weather...
Areas of snow will continue to spread east and southeast Monday
morning across Oklahoma with a mix of rain and snow possible
farther south. Snow accumulations will be possible along and west
of I-44.

Slick spots on area roadways will likely develop on bridges and
overpasses. The most impactful conditions are currently expected
during the Monday morning rush hour through early afternoon.

.Freezing Temperatures...
A widespread hard freeze is expected Tuesday morning.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 11, 3:22 AM CSTWinter Weather AdvisoryOUNAlfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 25 more33 hr
Nov 11, 2:20 PM CSTFreeze WarningOUNArcher, Baylor, Clay, Foard, Knox, Wichita and 1 more43 hr

Nearby

Winter Storm Warnings in Oklahoma, 2018Every winter storm warning 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.