Alert archive / Oklahoma / River Flood Advisories in 2021
River Flood Advisory 26, NWS Norman, OK
NWS Norman, OK issued this river flood advisory at May 17, 2021, 12:39 PM CDT for Comanche County, Cotton County, Oklahoma. It was in force for 20 hr.
The area
The counties it named.
The facts
- Issued
- May 17, 2021, 12:39 PM CDT (17:39 UTC)
- Expired
- May 18, 2021, 8:15 AM CDT
- In force
- 20 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
Counties Comanche County, OK, Cotton County, OK
The radar
The Altus AFB radar (KFDR), 52 km from the middle of the area, began a volume at 17:39 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 East Cache Creek near Walters (WLTO2). The gauge peaked at 16.30 ft at May 17, 2021, 12:00 PM CDT.
- Action stage
- 15 ft
- Minor stage
- 21 ft
- Moderate stage
- 22 ft
- Major stage
- 26 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 07311000, 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 advisory 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 advisory went out at May 17, 6:56 AM CDT, 5 hours 43 minutes earlier.
Area forecast discussion, May 17, 6:56 AM CDT, 5 hours 43 minutes before
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</html>Hazardous weather outlook, May 17, 11:59 AM CDT, 40 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Norman OK 1159 AM CDT Mon May 17 2021 OKZ004>048-050>052-TXZ083>090-181700- 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- 1159 AM CDT Mon May 17 2021 This hazardous weather outlook is for portions of northern... western...central...and southern Oklahoma...and western north Texas. .DAY ONE...Through Tonight... .Thunderstorms... Severe thunderstorms will develop this afternoon in west Texas and move eastward into the area this evening. The initial threats will include very large hail up to baseball size, damaging winds to 70 mph, and possibly a few tornadoes. This is most likely during the early to mid evening hours across western north Texas and southwest Oklahoma. By late evening, storms will have consolidated into a line with the primary threat becoming damaging winds to 70 mph, although large hail will also be possible. Storms will continue moving eastward primarily impacting the southern half of Oklahoma through the night. The risk of severe storms generally north of Interstate 40 is present this evening and overnight, but comparatively lower. .Heavy Rainfall... Flooding, perhaps significant, will be possible through the night mainly across the southern half of Oklahoma. Areas that experienced significant rainfall yesterday are at an increased risk for flooding as additional heavy rain develops this evening and tonight. .SPOTTER AND EMERGENCY MANAGEMENT STATEMENT... Storm spotter groups and emergency management personnel across much of Oklahoma and all of western north Texas should prepare for severe weather operations early this evening through late tonight. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday... .Thunderstorms... Thunderstorm chances will continue thru Saturday. A few severe thunderstorms will be possible Tuesday afternoon and evening mainly across portions of eastern and southeastern Oklahoma. Hail up to the size of golf balls and damaging wind gusts up to 60 mph will be possible. Strong to severe storms will again be possible across western Oklahoma and western north Texas Wednesday afternoon and evening. .Heavy Rainfall... Flooding will remain possible mainly along and south of Interstate 44 thru at least Wednesday. Significant flooding may occur across portions of southern and southeastern Oklahoma by Wednesday morning. Many locations across southern Oklahoma and north Texas could receive over 5 inches of total rainfall by the end of the week. 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 7:09 PM CDT | Special Weather Statement | OUN | Marshall | 36 min |
| May 16, 7:46 PM CDT | Special Weather Statement | OUN | Marshall | 29 min |
| May 16, 8:06 PM CDT | River Flood Advisory | OUN | Pottawatomie, Seminole | 16 hr |
| May 16, 8:06 PM CDT | River Flood Advisory | OUN | Atoka | 24 hr |
| May 16, 8:21 PM CDT | Areal Flood Warning | OUN | Jefferson, Stephens | 4 hr |
| May 16, 9:56 PM CDT | Areal Flood Warning | OUN | Jefferson | 3 hr |
| May 16, 9:59 PM CDT | Severe Thunderstorm Warning | OUN | Harmon, Jackson | 76 min |
| May 16, 11:44 PM CDT | Special Weather Statement | OUN | Tillman | 31 min |
| May 17, 12:14 AM CDT | Severe Thunderstorm Warning | OUN | Tillman | 38 min |
| May 17, 12:15 AM CDT | Special Weather Statement | OUN | Tillman | 30 min |
| May 17, 12:29 AM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa, Tillman | 22 min |
| May 17, 12:55 AM CDT | Special Weather Statement | OUN | Comanche, Cotton, Tillman | 35 min |
| May 17, 1:28 AM CDT | Special Weather Statement | OUN | Cotton, Grady, Jefferson, Stephens | 32 min |
| May 17, 2:01 AM CDT | Special Weather Statement | OUN | Jefferson, Stephens | 29 min |
| May 17, 2:27 PM CDT | River Flood Advisory | OUN | Cotton | 18 hr |
| May 17, 6:39 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 12 min |
| May 16, 7:23 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 52 min |
| May 16, 7:42 PM CDT | Special Weather Statement | OUN | Foard | 33 min |
| May 16, 7:56 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 16 min |
| May 16, 8:10 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 65 min |
| May 16, 8:52 PM CDT | Areal Flood Advisory | OUN | Clay | 3 hr |
| May 16, 9:04 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 56 min |
| May 16, 9:22 PM CDT | Special Weather Statement | OUN | Archer | 23 min |
| May 16, 9:29 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay | 61 min |
| May 16, 10:31 PM CDT | Severe Thunderstorm Warning | OUN | Knox | 44 min |
| May 16, 11:06 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Knox | 39 min |
| May 16, 11:13 PM CDT | Special Weather Statement | OUN | Foard, Knox | 32 min |
| May 16, 11:32 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Foard, Knox, Wilbarger | 58 min |
| May 16, 11:38 PM CDT | Severe Thunderstorm Warning | OUN | Baylor | 52 min |
| May 17, 12:25 AM CDT | Areal Flood Advisory | OUN | Baylor, Foard, Knox, Wilbarger | 3 hr |
| May 17, 2:25 PM CDT | River Flood Advisory | OUN | Wichita, Wilbarger | 18 hr |
| May 17, 5:13 PM CDT | Special Weather Statement | OUN | Knox | 32 min |
| May 17, 5:45 PM CDT | Special Weather Statement | OUN | Knox | 30 min |
| May 17, 6:05 PM CDT | Special Weather Statement | OUN | Foard | 40 min |
| May 17, 6:18 PM CDT | Special Weather Statement | OUN | Foard | 42 min |
| May 17, 6:23 PM CDT | Severe Thunderstorm Warning | OUN | Knox | 67 min |
Nearby
River Flood Advisories in Oklahoma, 2021Every river flood advisory in 2021
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.