Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 291, NWS Norman, OK

May 30, 201810 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 30, 2018, 11:22 PM CDT for 10 counties in Oklahoma. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 30, 2018, 11:22 PM CDT (04:22 UTC)
Expired: May 31, 2018, 12:00 AM CDT
In force: 38 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 2.5 in
Wind: 90.0 mph

Counties Alfalfa County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Kingfisher County, OK, Major County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 94 km from the middle of the area, began a volume at 04:23 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 30, 9:14 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 30, 6:45 PM CDT, 4 hours 37 minutes earlier.

Area forecast discussion, May 30, 6:45 PM CDT, 4 hours 37 minutes before

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Hazardous weather outlook, May 30, 6:14 PM CDT, 5 hours 8 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 9:50 PM CDT	Special Weather Statement	OUN	Ellis, Harper	40 min
May 30, 10:06 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Roger Mills, Woods, Woodward	39 min
May 30, 10:40 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey, Ellis, Harper, Major, Roger Mills and 2 more	50 min
May 30, 11:09 PM CDT	Tornado Warning	OUN	Woods, Woodward	51 min
May 30, 11:50 PM CDT	Tornado Warning	OUN	Alfalfa	40 min
May 30, 11:56 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Canadian, Custer, Dewey, Ellis and 9 more	64 min
May 31, 12:33 AM CDT	Special Weather Statement	OUN	Ellis	27 min
May 31, 12:52 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Garfield, Grant, Kay, Kingfisher and 5 more	38 min
May 31, 12:59 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major	32 min
May 31, 1:01 AM CDT	Severe Thunderstorm Warning	OUN	Ellis, Woodward	31 min
May 31, 1:13 AM CDT	Tornado Warning	OUN	Kay	25 min
May 31, 1:29 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Garfield, Kay, Kingfisher, Lincoln, Logan and 3 more	61 min
May 31, 1:35 AM CDT	Special Weather Statement	OUN	Major, Woodward	25 min
May 31, 1:43 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher	24 min
May 31, 1:50 AM CDT	Special Weather Statement	OUN	Cleveland	25 min
May 31, 1:58 AM CDT	Areal Flood Advisory	OUN	Kay, Noble	3 hr
May 31, 1:59 AM CDT	Areal Flood Advisory	OUN	Kingfisher, Lincoln, Logan, Payne	3 hr
May 31, 2:31 AM CDT	Special Weather Statement	OUN	Kingfisher, Logan	44 min
May 31, 2:35 AM CDT	Special Weather Statement	OUN	Lincoln, Oklahoma	40 min
May 31, 3:17 AM CDT	Special Weather Statement	OUN	Logan, Payne	43 min
May 31, 3:24 AM CDT	Special Weather Statement	OUN	Pottawatomie	36 min
May 31, 3:32 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Payne	43 min
May 31, 3:50 AM CDT	Special Weather Statement	OUN	Lincoln	25 min
May 31, 3:54 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln	34 min
May 31, 3:59 AM CDT	Areal Flood Advisory	OUN	Lincoln, Oklahoma, Payne	3 hr
May 31, 4:06 AM CDT	Special Weather Statement	OUN	Pottawatomie	24 min
May 31, 4:17 AM CDT	Severe Thunderstorm Warning	OUN	Hughes, Pottawatomie, Seminole	43 min
May 31, 4:22 AM CDT	Special Weather Statement	OUN	Pottawatomie	53 min
May 31, 4:59 AM CDT	Special Weather Statement	OUN	Hughes	31 min
May 31, 5:38 AM CDT	Special Weather Statement	OUN	Hughes	52 min
May 31, 4:34 PM CDT	Heat Advisory	OUN	Canadian, Cleveland, Coal, Garfield, Garvin, Grady and 13 more	29 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2018 Every severe thunderstorm 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.