Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 257, NWS Norman, OK

August 18, 2014Lincoln County, Payne County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Aug 18, 2014, 7:30 PM CDT for Lincoln County, Payne County, Oklahoma. It was in force for 30 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 18, 2014, 7:30 PM CDT (00:30 UTC)
Expired: Aug 18, 2014, 8:00 PM CDT
In force: 30 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Lincoln County, OK, Payne County, OK

The radar

The Norman radar (KTLX), 70 km from the middle of the area, began a volume at 00:29 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 18, 6:32 PM CDT, 58 minutes earlier.

Area forecast discussion, Aug 18, 6:32 PM CDT, 58 minutes before

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Hazardous weather outlook, Aug 18, 9:55 AM CDT, 9 hours 35 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE NORMAN OK
955 AM CDT MON AUG 18 2014

OKZ004>048-050>052-TXZ083>090-191000-
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-
955 AM CDT MON AUG 18 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN...
WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH
TEXAS.

.DAY ONE...TODAY AND TONIGHT...

.THUNDERSTORMS...
ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON INTO TONIGHT
ACROSS PORTIONS OF NORTHERN OKLAHOMA. THE MAIN HAZARDS WITH ANY
STORM ARE GUSTY WINDS UP TO 50 MPH...LOCALLY HEAVY RAINFALL...
FREQUENT LIGHTNING...AND SMALL HAIL. ORGANIZED SEVERE STORMS ARE
NOT EXPECTED TODAY OR TONIGHT.

.HEAT...
HOT AND HUMID CONDITIONS ARE EXPECTED TODAY...MAINLY ACROSS
SOUTHWESTERN OKLAHOMA AND WESTERN NORTH TEXAS WITH TRIPLE DIGIT
TEMPERATURES AND HEAT INDEX VALUES. SO TAKE HEAT SAFETY
PRECAUTIONS IF YOU ARE GOING TO BE OUTDOORS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

.HEAT...
HOT AND HUMID CONDITIONS WILL CONTINUE THROUGH THE WEEKEND...
WITH TRIPLE DIGIT TEMPERATURES AND HEAT INDEX VALUES ACROSS PARTS
OF OKLAHOMA AND WESTERN NORTH TEXAS. SO TAKE HEAT SAFETY
PRECAUTIONS IF YOU ARE GOING TO BE OUTDOORS.

GET GRAPHICS AND MORE DETAILS AT WEATHER.GOV/NORMAN...AND FOLLOW
OUR WEATHER FORECAST OFFICE ON TWITTER AND FACEBOOK.

MBS/30

In the hours before

Local storm report, Aug 18, 5:52 PM CDT, 1 hour 38 minutes before

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Special weather statement, Aug 18, 6:01 PM CDT, 1 hour 29 minutes before

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Special weather statement, Aug 18, 6:20 PM CDT, 1 hour 10 minutes before

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Special weather statement, Aug 18, 6:24 PM CDT, 1 hour 6 minutes before

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Special weather statement, Aug 18, 6:33 PM CDT, 57 minutes before

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Special weather statement, Aug 18, 6:40 PM CDT, 50 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 18, 7:00 PM CDT	Special Weather Statement	OUN	Payne	30 min
Aug 18, 7:05 PM CDT	Special Weather Statement	OUN	Canadian, Lincoln, Oklahoma	25 min
Aug 18, 7:15 PM CDT	Special Weather Statement	OUN	Alfalfa	30 min
Aug 18, 7:52 PM CDT	Special Weather Statement	OUN	Alfalfa	23 min
Aug 18, 8:00 PM CDT	Special Weather Statement	OUN	Lincoln	30 min
Aug 18, 8:51 PM CDT	Special Weather Statement	OUN	Lincoln	24 min
Aug 18, 9:44 PM CDT	Special Weather Statement	OUN	Cleveland	31 min
Aug 18, 9:54 PM CDT	Special Weather Statement	OUN	Dewey	36 min
Aug 18, 10:09 PM CDT	Areal Flood Advisory	OUN	Cleveland	111 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2014 Every severe thunderstorm warning in 2014

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.