Alert archive / Oklahoma / River Flood Warnings in 2018

River Flood Warning 7, NWS Norman, OK

May 20, 2018Cotton County, Oklahoma

NWS Norman, OK issued this river flood warning at May 20, 2018, 6:18 AM CDT for Cotton County, Oklahoma. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: May 20, 2018, 6:18 AM CDT (11:18 UTC)
Expired: May 21, 2018, 1:00 AM CDT
In force: 19 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Flood severity: Minor

County Cotton County, OK

The radar

The Altus AFB radar (KFDR), 56 km from the middle of the area, began a volume at 11:17 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 river

Written for the forecast point Deep Red Creek near Randlett (RNDO2).

Action stage: 17 ft
Minor stage: 20 ft
Moderate stage: 23 ft
Major stage: 26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07311500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood 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 river flood warning went out at May 20, 3:26 AM CDT, 2 hours 52 minutes earlier.

Area forecast discussion, May 20, 3:26 AM CDT, 2 hours 52 minutes before

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Hazardous weather outlook, May 20, 4:25 AM CDT, 1 hour 53 minutes before

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In the hours before

Special weather statement, May 20, 1:07 AM CDT, 5 hours 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
107 AM CDT SUN MAY 20 2018

OKZ008-200630-
Kay OK-
107 AM CDT SUN MAY 20 2018

...SIGNIFICANT WEATHER ADVISORY FOR northeastern Kay County Until 130
AM CDT...

AT 106 AM CDT, a strong thunderstorm was located near Kaw City,
moving northeast at 30 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts to 50 MPH...

LAT...LON 3678 9675 3678 9679 3677 9679 3677 9682
      3674 9683 3675 9687 3675 9689 3668 9693
      3669 9702 3670 9703 3669 9706 3670 9708
      3700 9687 3700 9675
TIME...MOT...LOC 0606Z 215DEG 25KT 3677 9688

..speg.

Local storm report, May 20, 1:09 AM CDT, 5 hours 9 minutes before

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Special weather statement, May 20, 1:12 AM CDT, 5 hours 6 minutes before

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Special weather statement, May 20, 1:40 AM CDT, 4 hours 38 minutes before

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Local storm report, May 20, 1:52 AM CDT, 4 hours 26 minutes before

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Special weather statement, May 20, 1:52 AM CDT, 4 hours 26 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
May 19, 7:09 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	51 min
May 19, 7:20 PM CDT	Special Weather Statement	OUN	Alfalfa	25 min
May 19, 7:23 PM CDT	Severe Thunderstorm Warning	OUN	Woods	37 min
May 19, 7:27 PM CDT	Severe Thunderstorm Warning	OUN	Major	48 min
May 19, 7:30 PM CDT	Special Weather Statement	OUN	Kiowa	30 min
May 19, 7:52 PM CDT	Severe Thunderstorm Warning	OUN	Woods	23 min
May 19, 7:54 PM CDT	Severe Thunderstorm Warning	OUN	Major	22 min
May 19, 8:01 PM CDT	Special Weather Statement	OUN	Caddo	29 min
May 19, 8:15 PM CDT	Special Weather Statement	OUN	Woods	15 min
May 19, 8:21 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	39 min
May 19, 8:34 PM CDT	Special Weather Statement	OUN	Caddo	26 min
May 19, 8:55 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	50 min
May 19, 9:15 PM CDT	Areal Flood Warning	OUN	Harmon, Jackson	3 hr
May 19, 9:24 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	51 min
May 19, 9:32 PM CDT	Areal Flood Advisory	OUN	Cotton, Tillman	3 hr
May 19, 9:39 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	51 min
May 19, 9:46 PM CDT	Special Weather Statement	OUN	Harper	29 min
May 19, 10:03 PM CDT	Flash Flood Warning	OUN	Cotton	3 hr
May 19, 10:08 PM CDT	Severe Thunderstorm Warning	OUN	Cotton	52 min
May 19, 10:08 PM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	52 min
May 19, 10:10 PM CDT	Special Weather Statement	OUN	Canadian	35 min
May 19, 10:24 PM CDT	Special Weather Statement	OUN	Woodward	36 min
May 19, 10:56 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Jefferson	29 min
May 19, 11:02 PM CDT	Special Weather Statement	OUN	Woodward	28 min
May 19, 11:04 PM CDT	Special Weather Statement	OUN	Stephens	26 min
May 19, 11:18 PM CDT	Special Weather Statement	OUN	Ellis	27 min
May 19, 11:30 PM CDT	Special Weather Statement	OUN	Jefferson, Stephens	30 min
May 19, 11:45 PM CDT	Special Weather Statement	OUN	Cotton	30 min
May 19, 11:49 PM CDT	Special Weather Statement	OUN	Caddo, Grady	26 min
May 19, 11:51 PM CDT	Special Weather Statement	OUN	Garvin	24 min
May 19, 11:58 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Grady, McClain, Stephens	47 min
May 20, 12:05 AM CDT	Special Weather Statement	OUN	Stephens	25 min
May 20, 12:14 AM CDT	Severe Thunderstorm Warning	OUN	Cotton, Stephens	36 min
May 20, 12:22 AM CDT	Flash Flood Warning	OUN	Cotton	3 hr
May 20, 12:26 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Pottawatomie	49 min
May 20, 12:53 AM CDT	Areal Flood Warning	OUN	Cotton, Tillman	3 hr
May 20, 1:07 AM CDT	Special Weather Statement	OUN	Kay	23 min
May 20, 1:12 AM CDT	Special Weather Statement	OUN	Coal	33 min
May 20, 1:16 AM CDT	Areal Flood Advisory	OUN	Stephens	3 hr
May 20, 1:40 AM CDT	Special Weather Statement	OUN	Hughes	35 min
May 20, 1:52 AM CDT	Special Weather Statement	OUN	Garvin	38 min
May 20, 6:21 AM CDT	Special Weather Statement	OUN	Pontotoc	24 min
May 19, 7:04 PM CDT	Areal Flood Advisory	OUN	Foard, Hardeman, Knox	3 hr
May 19, 7:20 PM CDT	Flash Flood Warning	OUN	Foard, Knox	3 hr
May 19, 7:42 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Knox	48 min
May 19, 7:45 PM CDT	Severe Thunderstorm Warning	OUN	Wichita, Wilbarger	45 min
May 19, 8:27 PM CDT	Special Weather Statement	OUN	Foard	33 min
May 19, 8:31 PM CDT	Areal Flood Advisory	OUN	Foard, Hardeman	3 hr
May 19, 8:44 PM CDT	Flash Flood Warning	OUN	Foard, Hardeman	3 hr
May 19, 8:50 PM CDT	Special Weather Statement	OUN	Wilbarger	25 min
May 19, 8:52 PM CDT	Special Weather Statement	OUN	Wichita	23 min
May 19, 8:58 PM CDT	Areal Flood Advisory	OUN	Wichita, Wilbarger	3 hr
May 19, 9:02 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Wilbarger	43 min
May 19, 9:06 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor, Wichita, Wilbarger	39 min
May 19, 9:13 PM CDT	Severe Thunderstorm Warning	OUN	Foard	47 min
May 19, 9:26 PM CDT	Flash Flood Warning	OUN	Foard	3 hr
May 19, 9:40 PM CDT	Severe Thunderstorm Warning	OUN	Wichita	50 min
May 19, 9:59 PM CDT	Special Weather Statement	OUN	Foard	31 min
May 19, 10:14 PM CDT	Areal Flood Warning	OUN	Foard, Knox	3 hr
May 19, 10:23 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman, Wilbarger	52 min
May 19, 10:56 PM CDT	Areal Flood Advisory	OUN	Wilbarger	3 hr
May 19, 11:06 PM CDT	Special Weather Statement	OUN	Foard	24 min
May 19, 11:09 PM CDT	Special Weather Statement	OUN	Wilbarger	36 min
May 19, 11:24 PM CDT	Special Weather Statement	OUN	Wichita	36 min
May 19, 11:27 PM CDT	Special Weather Statement	OUN	Foard	33 min
May 19, 11:33 PM CDT	Flash Flood Warning	OUN	Wichita, Wilbarger	3 hr
May 19, 11:42 PM CDT	Areal Flood Warning	OUN	Foard, Hardeman	3 hr
May 20, 12:19 AM CDT	Areal Flood Warning	OUN	Foard	3 hr
May 20, 12:52 AM CDT	Special Weather Statement	OUN	Clay	23 min
May 20, 1:18 AM CDT	Areal Flood Advisory	OUN	Baylor, Knox	3 hr
May 20, 4:35 PM CDT	River Flood Warning	OUN	Wichita, Wilbarger	16 hr

Nearby

River Flood Warnings in Oklahoma, 2018 Every river flood 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; the gauge from the NWS water service and the USGS.