Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 615, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jul 14, 2023, 5:16 PM CDT for Alfalfa County, Grant County, Kay County, Oklahoma. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 14, 2023, 5:16 PM CDT (22:16 UTC)
- Expired
- Jul 14, 2023, 6:15 PM CDT
- In force
- 59 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.25 in
- Wind
- 70.0 mph
Counties Alfalfa County, OK, Grant County, OK, Kay County, OK
The radar
The Vance AFB radar (KVNX), 34 km from the middle of the area, began a volume at 22:16 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 14, 4:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 10.3 hours before the alert went out and 177 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
- 109 J/kg
- Mixed-layer CIN
- -486 J/kg
- Mixed-layer LCL
- 2146 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -168 m²/s²
- 0-3 km storm-relative helicity
- -100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 14, 3:39 PM CDT, 1 hour 37 minutes earlier.
Area forecast discussion, Jul 14, 3:39 PM CDT, 1 hour 37 minutes before
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</html>Hazardous weather outlook, Jul 14, 3:59 PM CDT, 1 hour 17 minutes before
Hazardous Weather Outlook National Weather Service Norman OK 359 PM CDT Fri Jul 14 2023 OKZ004>048-050>052-TXZ083>090-152100- 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- 359 PM CDT Fri Jul 14 2023 This hazardous weather outlook is for portions of northern... western...central...and southern Oklahoma...and western north Texas. .DAY ONE...Today and Tonight... .Thunderstorms... There is an enhanced risk of severe thunderstorms late this afternoon through late this evening across portions of northern Oklahoma, with a slight risk of severe thunderstorms further south late tonight into early Saturday morning near and south of the I-40 corridor. Large hail up to the size of golf balls will be possible before sunset across northern OK, but the main hazard will be damaging wind gusts up to 70 to 80 mph through tonight. .Heat... Triple digit heat index values are expected through the early evening across central and southern Oklahoma, and north Texas. .DAYS TWO THROUGH SEVEN...Saturday through Thursday... .Thunderstorms... Thunderstorms will be possible on Saturday and Sunday, but the risk of severe weather currently looks to be low. 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 |
|---|---|---|---|---|
| Jul 13, 7:06 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton | 39 min |
| Jul 13, 7:40 PM CDT | Special Weather Statement | OUN | Jefferson | 35 min |
| Jul 13, 8:04 PM CDT | Special Weather Statement | OUN | Cotton | 41 min |
| Jul 13, 8:40 PM CDT | Special Weather Statement | OUN | Cotton | 35 min |
| Jul 13, 8:46 PM CDT | Special Weather Statement | OUN | Cotton | 29 min |
| Jul 13, 8:50 PM CDT | Special Weather Statement | OUN | Tillman | 25 min |
| Jul 13, 8:51 PM CDT | Special Weather Statement | OUN | Caddo | 24 min |
| Jul 13, 8:59 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 31 min |
| Jul 13, 9:02 PM CDT | Special Weather Statement | OUN | Canadian | 28 min |
| Jul 13, 9:22 PM CDT | Severe Thunderstorm Warning | OUN | Canadian | 38 min |
| Jul 13, 9:30 PM CDT | Special Weather Statement | OUN | Canadian | 30 min |
| Jul 13, 9:32 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 43 min |
| Jul 13, 9:37 PM CDT | Areal Flood Advisory | OUN | Comanche, Cotton, Jefferson, Stephens, Tillman | 3 hr |
| Jul 13, 9:50 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher | 40 min |
| Jul 13, 9:52 PM CDT | Areal Flood Advisory | OUN | Caddo, Canadian, Oklahoma | 4 hr |
| Jul 13, 10:03 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Logan, Oklahoma | 42 min |
| Jul 13, 10:07 PM CDT | Special Weather Statement | OUN | Cotton | 38 min |
| Jul 13, 10:13 PM CDT | Flash Flood Warning | OUN | Canadian, Oklahoma | 3 hr |
| Jul 13, 10:14 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 46 min |
| Jul 13, 10:25 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher, Logan, Oklahoma | 30 min |
| Jul 13, 10:30 PM CDT | Areal Flood Advisory | OUN | Oklahoma | 3 hr |
| Jul 13, 10:32 PM CDT | Special Weather Statement | OUN | Tillman | 43 min |
| Jul 13, 10:38 PM CDT | Special Weather Statement | OUN | Comanche | 52 min |
| Jul 13, 10:39 PM CDT | Special Weather Statement | OUN | Lincoln | 36 min |
| Jul 13, 11:11 PM CDT | Special Weather Statement | OUN | Comanche, Cotton, Tillman | 34 min |
| Jul 13, 11:13 PM CDT | Special Weather Statement | OUN | Lincoln | 47 min |
| Jul 13, 11:29 PM CDT | Special Weather Statement | OUN | Tillman | 46 min |
| Jul 13, 11:37 PM CDT | Special Weather Statement | OUN | Stephens | 38 min |
| Jul 13, 11:45 PM CDT | Special Weather Statement | OUN | Comanche | 45 min |
| Jul 14, 12:05 AM CDT | Areal Flood Advisory | OUN | Cleveland, Lincoln, Oklahoma, Pottawatomie, Seminole | 3 hr |
| Jul 14, 12:25 AM CDT | Special Weather Statement | OUN | Seminole | 35 min |
| Jul 14, 12:25 AM CDT | Special Weather Statement | OUN | Kay | 35 min |
| Jul 14, 12:41 AM CDT | Severe Thunderstorm Warning | OUN | Harmon, Jackson | 64 min |
| Jul 14, 1:30 AM CDT | Special Weather Statement | OUN | Jackson | 60 min |
| Jul 14, 1:59 AM CDT | Special Weather Statement | OUN | Comanche, Tillman | 61 min |
| Jul 14, 3:13 AM CDT | Excessive Heat Warning | OUN | Atoka, Bryan, Carter, Coal, Jefferson, Johnston and 3 more | 18 hr |
| Jul 14, 8:09 AM CDT | River Flood Warning | OUN | Woodward | 5 days |
| Jul 14, 12:04 PM CDT | Flood Watch | OUN | Blaine, Canadian, Cleveland, Hughes, Kingfisher, Lincoln and 6 more | 16 hr |
| Jul 14, 2:06 PM CDT | River Flood Advisory | OUN | Dewey, Major, Woodward | 7 days |
| Jul 14, 2:07 PM CDT | River Flood Advisory | OUN | Pottawatomie, Seminole | 21 hr |
| Jul 14, 5:17 PM CDT | Special Weather Statement | OUN | Harper | 28 min |
| Jul 14, 5:45 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woods, Woodward | 45 min |
| Jul 14, 5:49 PM CDT | Special Weather Statement | OUN | Harper | 41 min |
| Jul 14, 5:56 PM CDT | Severe Thunderstorm Warning | OUN | Harper | 49 min |
| Jul 14, 6:11 PM CDT | Severe Thunderstorm Warning | OUN | Grant, Kay, Noble | 49 min |
| Jul 14, 6:17 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 43 min |
| Jul 14, 6:29 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper, Woodward | 46 min |
| Jul 14, 6:35 PM CDT | Special Weather Statement | OUN | Woodward | 40 min |
| Jul 14, 6:49 PM CDT | Severe Thunderstorm Warning | OUN | Kay, Noble, Payne | 41 min |
| Jul 14, 6:55 PM CDT | Special Weather Statement | OUN | Woods | 50 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2023Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.