Alert archive / Oklahoma / River Flood Warnings in 2017

River Flood Warning 23, NWS Norman, OK

April 30, 2017Logan County, Oklahoma

NWS Norman, OK issued this river flood warning at Apr 30, 2017, 2:16 AM CDT for Logan County, Oklahoma. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Apr 30, 2017, 2:16 AM CDT (07:16 UTC)
Expired: Apr 30, 2017, 5:00 PM CDT
In force: 15 hr
Issued by: NWS Norman, OK
Area: Storm-based polygon
Flood severity: Minor

County Logan County, OK

The radar

The Norman radar (KTLX), 67 km from the middle of the area, began a volume at 07:18 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 Cottonwood Creek (OK) near Seward (SWDO2). The gauge peaked at 33.00 ft at Apr 30, 2017, 5:00 AM CDT.

Action stage: 28 ft
Minor stage: 30 ft
Moderate stage: 35 ft
Major stage: 40 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07159750, 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 Apr 30, 12:53 AM CDT, 1 hour 23 minutes earlier.

Area forecast discussion, Apr 30, 12:53 AM CDT, 1 hour 23 minutes before

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Hazardous weather outlook, Apr 29, 4:03 PM CDT, 10 hours 13 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Norman OK
403 PM CDT Sat Apr 29 2017

OKZ004>048-050>052-TXZ083>090-302115-
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-
403 PM CDT Sat Apr 29 2017

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...Through this evening...

.Thunderstorms...
There is a Marginal Risk of severe thunderstorms across far
southeastern Oklahoma.

Location...
The risk area is along and southeast of an Atoka to Durant line.

Timing...
Through 7 pm this evening.

Impacts...
Half dollar size hail and 60 mph.

Discussion...
Scattered showers and thunderstorms will continue to develop
across south central and southeast Oklahoma this afternoon and
evening. A few storms may produce some hail and very strong
winds. Some of the storms may produce locally heavy rainfall
which could result in some flooding.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...
Storm spotter groups and emergency management personnel across
the risk area should be ready for severe weather operations.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

.Thunderstorms...
Chances for thunderstorms will return Tuesday night through
Wednesday night across parts of Oklahoma and north Texas. Severe
storms are not anticipated.

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, Apr 29, 9:10 PM CDT, 5 hours 6 minutes before

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Special weather statement, Apr 29, 10:16 PM CDT, 4 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1016 PM CDT SAT APR 29 2017

OKZ052-300345-
Bryan OK-
1016 PM CDT SAT APR 29 2017

...SIGNIFICANT WEATHER ADVISORY FOR central Bryan County Until 1045
PM CDT...

AT 1014 PM CDT, a strong thunderstorm was located 5 miles southeast
of Albany, moving northeast at 55 MPH.

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

LAT...LON 3392 9589 3386 9597 3385 9598 3387 9600
      3384 9602 3385 9602 3384 9615 3381 9618
      3380 9618 3381 9616 3377 9617 3375 9623
      3377 9626 3416 9609 3415 9596 3412 9594
      3394 9594 3392 9592
TIME...MOT...LOC 0314Z 206DEG 49KT 3383 9610

WR

Special weather statement, Apr 29, 10:37 PM CDT, 3 hours 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1037 PM CDT SAT APR 29 2017

OKZ048-300400-
Atoka OK-
1037 PM CDT SAT APR 29 2017

...SIGNIFICANT WEATHER ADVISORY FOR eastern Atoka County Until 1100
PM CDT...

AT 1035 PM CDT, a strong thunderstorm was located near Lane, moving
northeast at 55 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts to 40 MPH...
Minor flooding in areas of poor drainage...

Locations impacted include...
Lane, Daisy, McGee Creek Lake and Redden.

LAT...LON 3451 9567 3451 9578 3430 9578 3419 9586
      3427 9605 3459 9588 3459 9567
TIME...MOT...LOC 0335Z 206DEG 49KT 3430 9592

WR

Special weather statement, Apr 29, 10:52 PM CDT, 3 hours 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
1052 PM CDT SAT APR 29 2017

OKZ048-300415-
Atoka OK-
1052 PM CDT SAT APR 29 2017

...SIGNIFICANT WEATHER ADVISORY FOR northeastern Atoka County Until
1115 PM CDT...

AT 1051 PM CDT, a strong thunderstorm was located near Daisy, moving
northeast at 65 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts to 40 MPH...
Minor flooding in areas of poor drainage...

Locations impacted include...
Daisy and Redden.

LAT...LON 3451 9567 3451 9578 3444 9578 3451 9593
      3460 9588 3459 9587 3459 9567
TIME...MOT...LOC 0351Z 206DEG 56KT 3454 9580

WR

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 7:07 PM CDT	Special Weather Statement	OUN	Coal, Johnston	23 min
Apr 29, 7:23 PM CDT	Special Weather Statement	OUN	Hughes	52 min
Apr 29, 7:33 PM CDT	Areal Flood Advisory	OUN	Atoka, Bryan, Coal, Hughes, Johnston, Love and 2 more	117 min
Apr 29, 8:03 PM CDT	Special Weather Statement	OUN	Seminole	27 min
Apr 29, 9:10 PM CDT	Special Weather Statement	OUN	Bryan	50 min
Apr 29, 9:38 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan	37 min
Apr 29, 10:16 PM CDT	Special Weather Statement	OUN	Bryan	29 min
Apr 29, 10:37 PM CDT	Special Weather Statement	OUN	Atoka	23 min
Apr 29, 10:52 PM CDT	Special Weather Statement	OUN	Atoka	23 min
Apr 30, 2:18 AM CDT	River Flood Warning	OUN	Logan	29 hr
Apr 30, 3:32 AM CDT	Wind Advisory	OUN	Atoka, Beckham, Blaine, Bryan, Caddo, Canadian and 34 more	16 hr
Apr 30, 4:05 AM CDT	River Flood Warning	OUN	Jackson, Kiowa, Tillman	29 hr

Nearby

River Flood Warnings in Oklahoma, 2017 Every river flood warning in 2017

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.