Alert archive / Oklahoma / Flash Flood Warnings in 2023

Flash Flood Warning 47, NWS Norman, OK

August 12, 2023Caddo County, Comanche County, Oklahoma

NWS Norman, OK issued this flash flood warning at Aug 12, 2023, 9:20 PM CDT for Caddo County, Comanche County, Oklahoma. It was in force for 3 hr. 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 12, 2023, 9:20 PM CDT (02:20 UTC)
Expired
Aug 13, 2023, 12:30 AM CDT
In force
3 hr
Issued by
NWS Norman, OK
Area
Storm-based polygon
Flood severity
None

Counties Caddo County, OK, Comanche County, OK

The radar

The Altus AFB radar (KFDR), 80 km from the middle of the area, began a volume at 02:23 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 flash 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 flash flood warning went out at Aug 12, 5:24 PM CDT, 3 hours 56 minutes earlier.

Area forecast discussion, Aug 12, 5:24 PM CDT, 3 hours 56 minutes before
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Hazardous weather outlook, Aug 12, 2:56 PM CDT, 6 hours 24 minutes before
Hazardous Weather Outlook
National Weather Service Norman OK
256 PM CDT Sat Aug 12 2023

OKZ004>048-050>052-TXZ083>090-132000-
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-
256 PM CDT Sat Aug 12 2023

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

.DAY ONE...Through Tonight...

.Thunderstorms...
Widespread thunderstorms are forecast to develop across southern,
western, and northern Oklahoma and progress to the north and east
late this afternoon through this evening. Some thunderstorms will
likely reach severe levels and produce damaging winds. A Slight
Risk of severe thunderstorms exists late this afternoon into the
overnight hours across the northern one-third of Oklahoma.

.Dangerous Heat...
Excessive heat and humidity will be seen over the region today.
Heat warnings are in effect.

.Fire Weather...
Elevated fire weather will continue across western north Texas.

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

.Thunderstorms...
Thunderstorms, some severe with damaging winds, are expected
late Sunday and Sunday night, mainly across the northern half of
Oklahoma.

.Dangerous Heat...
Excessive heat and humidity will continue over most of the region
on Sunday, before a strong cold front brings below average
temperatures to start the new work week. A return to hotter
temperatures is expected for the latter half of next week.

.Fire Weather...
Elevated fire weather will continue across western north Texas
through Sunday.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on X and Facebook.

In the hours before

Local storm report, Aug 12, 7:14 PM CDT, 2 hours 6 minutes before
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Local storm report, Aug 12, 7:20 PM CDT, 2 hours before
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Special weather statement, Aug 12, 7:57 PM CDT, 1 hour 23 minutes before
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Special weather statement, Aug 12, 7:58 PM CDT, 1 hour 22 minutes before
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Special weather statement, Aug 12, 8:24 PM CDT, 56 minutes before
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Special weather statement, Aug 12, 8:47 PM CDT, 33 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 7:11 PM CDTFlash Flood WarningOUNCaddo, Comanche49 min
Aug 12, 7:57 PM CDTSpecial Weather StatementOUNGrady33 min
Aug 12, 7:58 PM CDTSpecial Weather StatementOUNWashita32 min
Aug 12, 8:24 PM CDTSpecial Weather StatementOUNComanche36 min
Aug 12, 8:42 PM CDTSevere Thunderstorm WarningOUNCaddo, Comanche48 min
Aug 12, 8:47 PM CDTSpecial Weather StatementOUNEllis28 min
Aug 12, 9:04 PM CDTAreal Flood AdvisoryOUNCaddo, Comanche3 hr
Aug 12, 9:39 PM CDTSpecial Weather StatementOUNHarmon36 min
Aug 12, 9:42 PM CDTSpecial Weather StatementOUNGrady33 min
Aug 12, 9:52 PM CDTAreal Flood AdvisoryOUNCaddo, Comanche, Grady3 hr
Aug 12, 10:17 PM CDTSpecial Weather StatementOUNMcClain28 min
Aug 12, 10:30 PM CDTSpecial Weather StatementOUNCleveland30 min
Aug 13, 4:57 PM CDTSpecial Weather StatementOUNRoger Mills33 min
Aug 13, 5:23 PM CDTSevere Thunderstorm WarningOUNBeckham, Roger Mills52 min
Aug 13, 6:01 PM CDTSevere Thunderstorm WarningOUNEllis, Roger Mills44 min
Aug 13, 6:33 PM CDTSpecial Weather StatementOUNHarmon27 min
Aug 13, 6:41 PM CDTSevere Thunderstorm WarningOUNEllis, Woodward49 min
Aug 12, 7:01 PM CDTSpecial Weather StatementOUNArcher, Clay29 min

Nearby

Flash Flood Warnings in Oklahoma, 2023Every flash flood warning in 2023

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.