Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 571, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Aug 28, 2018, 6:42 PM CDT for Dewey County, Ellis County, Woodward County, Oklahoma. It was in force for 78 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
- Aug 28, 2018, 6:42 PM CDT (23:42 UTC)
- Expired
- Aug 28, 2018, 8:00 PM CDT
- In force
- 78 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 70.0 mph
Counties Dewey County, OK, Ellis County, OK, Woodward County, OK
The radar
The Vance AFB radar (KVNX), 124 km from the middle of the area, began a volume at 23:42 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 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 Aug 28, 2:09 PM CDT, 4 hours 33 minutes earlier.
Area forecast discussion, Aug 28, 2:09 PM CDT, 4 hours 33 minutes before
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</html>Hazardous weather outlook, Aug 28, 11:49 AM CDT, 6 hours 53 minutes before
Hazardous Weather Outlook National Weather Service Norman OK 1149 AM CDT Tue Aug 28 2018 OKZ004>048-050>052-TXZ083>090-291700- 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- 1149 AM CDT Tue Aug 28 2018 This hazardous weather outlook is for portions of northern... western...central...and southern Oklahoma...and western north Texas. .DAY ONE...This Afternoon and Tonight... .Thunderstorms... Thunderstorms are expected to develop across portions of northern and west central Oklahoma late this afternoon and early evening then spread southeast this evening and overnight. Some of the storms could become strong to severe producing hail up to the size of half dollars and wind gusts up to 65 mph. There is a Marginal risk for severe storms along and northwest of line from Perry and Kingfisher, to Weatherford and Hollis Oklahoma. The strong to severe storms are expected to be primarily between 4 PM and 10 PM. A few strong storms with gusty winds could be possible overnight but the potential for severe storms will decrease late this evening. Overall, heavy downpours and lightning will be the main concerns. .Heat... Another very warm day is expected with heat index values reaching between 95 and 105 this afternoon. Follow heat safety guidelines and keep hydrated if you are outside. .DAYS TWO THROUGH SEVEN...Wednesday through Monday... .Thunderstorms... Thunderstorm chances will continue into Wednesday and Thursday, although the potential of severe storms will be low. There will be low chances of storms again Friday night through Monday. Get graphics and more details at weather.gov/norman...and follow our weather forecast office on Twitter and Facebook.
In the hours before
Special weather statement, Aug 28, 6:26 PM CDT, 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE Norman OK 626 PM CDT TUE AUG 28 2018 OKZ009-010-014-015-290000- Woodward OK-Roger Mills OK-Dewey OK-Ellis OK- 626 PM CDT TUE AUG 28 2018 ...SIGNIFICANT WEATHER ADVISORY FOR southern Woodward...northeastern Roger Mills...northwestern Dewey and southeastern Ellis Counties Until 700 PM CDT.... AT 623 PM CDT, strong thunderstorms were located 3 miles south of Harmon and 9 miles northeast of Crawford, moving east at 25 MPH. HAZARDS INCLUDE... Wind gusts 40 to 50 MPH... Heavy rain can lead to reduced visibility... Locations impacted include... Vici, Camargo, Sharon, Mutual and Harmon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the weather situation closely and be alert for threatening weather conditions. && LAT...LON 3632 9910 3589 9924 3585 9982 3627 9954 TIME...MOT...LOC 2323Z 250DEG 20KT 3610 9956 3594 9970 11
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 6:26 PM CDT | Special Weather Statement | OUN | Ellis | 34 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2018Every 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.