Alert archive / Oklahoma / Flash Flood Warnings in 2024
Flash Flood Warning 79, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Aug 11, 2024, 7:56 AM CDT for 6 counties in 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 11, 2024, 7:56 AM CDT (12:56 UTC)
- Expired
- Aug 11, 2024, 11:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cleveland County, OK, Garvin County, OK, Grady County, OK, McClain County, OK, Murray County, OK, Pontotoc County, OK
The radar
The Norman radar (KTLX), 53 km from the middle of the area, began a volume at 12:56 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 0.9 hours before the alert went out and 388 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1462 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 11, 6:53 AM CDT, 1 hour 3 minutes earlier.
Area forecast discussion, Aug 11, 6:53 AM CDT, 1 hour 3 minutes before
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</html>Hazardous weather outlook, Aug 11, 3:44 AM CDT, 4 hours 12 minutes before
Hazardous Weather Outlook National Weather Service Norman OK 344 AM CDT Sun Aug 11 2024 OKZ004>048-050>052-TXZ083>090-120845- 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- 344 AM CDT Sun Aug 11 2024 This hazardous weather outlook is for portions of northern... western...central...and southern Oklahoma...and western north Texas. .DAY ONE...Today and Tonight... .Thunderstorms... Showers and thunderstorms across the area this morning will continue to move east out of the area during the afternoon hours. A few strong and isolated severe storms will be possible with quarter size hail possible. Heavy rainfall will also be possible. .Heat... Afternoon heat indices of 105 to 110 will be likely across southwest Oklahoma and western north Texas this afternoon. A Heat Advisory is in effect for that area. .DAYS TWO THROUGH SEVEN...Monday through Saturday... .Thunderstorms... Low chances for thunderstorms will continue Sunday and Monday night, mainly across northern Oklahoma. Storm chances return Thursday and Friday. .Heat... Dangerous heat and heat indices are expected across much of the area Monday through Saturday. 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, Aug 11, 5:14 AM CDT, 2 hours 42 minutes before
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</html>Local storm report, Aug 11, 7:15 AM CDT, 41 minutes before
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</html>Local storm report, Aug 11, 7:23 AM CDT, 33 minutes before
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</html>Local storm report, Aug 11, 7:45 AM CDT, 11 minutes before
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</html>Local storm report, Aug 11, 7:51 AM CDT, 5 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 1:14 AM CDT | Special Weather Statement | OUN | Dewey | 31 min |
| Aug 11, 1:19 AM CDT | Heat Advisory | OUN | Comanche, Cotton, Greer, Harmon, Jackson, Jefferson and 3 more | 19 hr |
| Aug 11, 1:22 AM CDT | Special Weather Statement | OUN | Dewey | 23 min |
| Aug 11, 1:30 AM CDT | Special Weather Statement | OUN | Dewey | 30 min |
| Aug 11, 1:35 AM CDT | Severe Thunderstorm Warning | OUN | Dewey, Woodward | 25 min |
| Aug 11, 1:58 AM CDT | Special Weather Statement | OUN | Blaine | 32 min |
| Aug 11, 2:01 AM CDT | Special Weather Statement | OUN | Dewey | 29 min |
| Aug 11, 2:04 AM CDT | Severe Thunderstorm Warning | OUN | Dewey | 27 min |
| Aug 11, 2:21 AM CDT | Areal Flood Advisory | OUN | Dewey | 30 min |
| Aug 11, 2:30 AM CDT | Areal Flood Advisory | OUN | Grady | 3 hr |
| Aug 11, 2:30 AM CDT | Special Weather Statement | OUN | Woodward | 30 min |
| Aug 11, 2:36 AM CDT | Severe Thunderstorm Warning | OUN | Dewey, Ellis, Woodward | 9 min |
| Aug 11, 2:38 AM CDT | Severe Thunderstorm Warning | OUN | Dewey, Woodward | 22 min |
| Aug 11, 2:51 AM CDT | Flash Flood Warning | OUN | Dewey | 4 hr |
| Aug 11, 2:55 AM CDT | Areal Flood Advisory | OUN | Cleveland, Oklahoma | 3 hr |
| Aug 11, 2:57 AM CDT | Special Weather Statement | OUN | Blaine | 18 min |
| Aug 11, 2:59 AM CDT | Special Weather Statement | OUN | Dewey | 31 min |
| Aug 11, 3:02 AM CDT | Special Weather Statement | OUN | Grady | 28 min |
| Aug 11, 3:13 AM CDT | Severe Thunderstorm Warning | OUN | Woodward | 14 min |
| Aug 11, 3:16 AM CDT | Special Weather Statement | OUN | Cleveland | 29 min |
| Aug 11, 3:31 AM CDT | Areal Flood Advisory | OUN | Cleveland, McClain | 3 hr |
| Aug 11, 3:32 AM CDT | Flash Flood Warning | OUN | Blaine, Dewey | 5 hr |
| Aug 11, 3:35 AM CDT | Special Weather Statement | OUN | Dewey | 40 min |
| Aug 11, 3:39 AM CDT | Special Weather Statement | OUN | Blaine, Dewey | 51 min |
| Aug 11, 3:46 AM CDT | Special Weather Statement | OUN | McClain | 14 min |
| Aug 11, 4:03 AM CDT | Areal Flood Advisory | OUN | Cleveland, McClain | 3 hr |
| Aug 11, 4:15 AM CDT | Areal Flood Advisory | OUN | Kingfisher | 3 hr |
| Aug 11, 4:26 AM CDT | Special Weather Statement | OUN | Blaine | 34 min |
| Aug 11, 4:33 AM CDT | Special Weather Statement | OUN | McClain | 27 min |
| Aug 11, 4:34 AM CDT | Special Weather Statement | OUN | Canadian | 26 min |
| Aug 11, 4:37 AM CDT | Severe Thunderstorm Warning | OUN | McClain | 23 min |
| Aug 11, 4:57 AM CDT | Areal Flood Advisory | OUN | Canadian, Cleveland, Oklahoma | 3 hr |
| Aug 11, 5:14 AM CDT | Special Weather Statement | OUN | Blaine, Canadian | 31 min |
| Aug 11, 5:17 AM CDT | Areal Flood Advisory | OUN | Blaine, Canadian, Kingfisher | 3 hr |
| Aug 11, 5:28 AM CDT | Flash Flood Warning | OUN | Blaine, Canadian, Cleveland, Kingfisher, Logan, Oklahoma | 3 hr |
| Aug 11, 5:48 AM CDT | Flash Flood Warning | OUN | Canadian, Cleveland, Grady, McClain | 5 hr |
| Aug 11, 6:11 AM CDT | Special Weather Statement | OUN | Canadian, Cleveland, Oklahoma, Pottawatomie | 34 min |
| Aug 11, 6:48 AM CDT | Flash Flood Warning | OUN | Coal, Hughes, McClain, Pontotoc, Pottawatomie, Seminole | 3 hr |
| Aug 11, 7:18 AM CDT | Areal Flood Warning | OUN | Dewey | 3 hr |
| Aug 11, 8:08 AM CDT | River Flood Warning | OUN | Pottawatomie, Seminole | 18 hr |
| Aug 11, 8:18 AM CDT | River Flood Advisory | OUN | Blaine, Canadian | 11 hr |
| Aug 11, 8:24 AM CDT | River Flood Advisory | OUN | Cleveland, McClain | 18 hr |
| Aug 11, 8:27 AM CDT | Areal Flood Warning | OUN | Blaine, Canadian, Cleveland, Kingfisher, Logan, Oklahoma | 3 hr |
| Aug 11, 8:32 AM CDT | Areal Flood Warning | OUN | Blaine, Dewey | 3 hr |
| Aug 11, 9:26 AM CDT | Areal Flood Advisory | OUN | Atoka, Carter, Coal, Johnston, Love, Marshall and 2 more | 3 hr |
| Aug 11, 9:45 AM CDT | River Flood Advisory | OUN | Dewey, Major, Woodward | 11 hr |
| Aug 11, 9:53 AM CDT | Areal Flood Warning | OUN | Coal, Hughes, McClain, Pontotoc, Pottawatomie, Seminole | 2 hr |
| Aug 11, 10:11 AM CDT | Flash Flood Warning | OUN | Oklahoma | 2 hr |
| Aug 11, 10:45 AM CDT | River Flood Warning | OUN | Oklahoma | 12 hr |
| Aug 11, 11:03 AM CDT | Areal Flood Warning | OUN | Cleveland, Garvin, Grady, McClain, Murray, Pontotoc | 117 min |
| Aug 11, 11:42 AM CDT | River Flood Warning | OUN | Dewey, Major, Woodward | 3 hr |
| Aug 11, 1:04 PM CDT | Areal Flood Advisory | OUN | Pontotoc | 3 hr |
| Aug 11, 1:35 PM CDT | Heat Advisory | OUN | Atoka, Bryan, Canadian, Carter, Cleveland, Coal and 27 more | 30 hr |
| Aug 11, 5:12 PM CDT | River Flood Advisory | OUN | Lincoln, Oklahoma, Pottawatomie | 9 hr |
Nearby
Flash Flood Warnings in Oklahoma, 2024Every flash flood warning in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.