Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 593, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jun 18, 2026, 2:01 PM CDT for Kay County, Noble County, Oklahoma. It was in force for 44 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
- Jun 18, 2026, 2:01 PM CDT (19:01 UTC)
- Expired
- Jun 18, 2026, 2:45 PM CDT
- In force
- 44 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Kay County, OK, Noble County, OK
The radar
The Vance AFB radar (KVNX), 85 km from the middle of the area, began a volume at 19:01 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
Norman, OK (KOUN), launched 12:00Z, 7.0 hours before the alert went out and 155 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
- 2182 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
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 Jun 18, 1:17 PM CDT, 44 minutes earlier.
Area forecast discussion, Jun 18, 1:17 PM CDT, 44 minutes before
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Local storm report, Jun 18, 10:08 AM CDT, 3 hours 53 minutes before
Preliminary Local Storm Report
National Weather Service Norman OK
1008 AM CDT Thu Jun 18 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0947 AM Hail 6 N Hunter 36.66N 97.68W
06/18/2026 E1.25 Inch Grant OK Public
Report from mPING: Half Dollar (1.25 in.).
&&Local storm report, Jun 18, 10:27 AM CDT, 3 hours 34 minutes before
Preliminary Local Storm Report
National Weather Service Norman OK
1027 AM CDT Thu Jun 18 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0940 AM Tstm Wnd Dmg 1 SSW Lamont 36.68N 97.56W
06/18/2026 Grant OK Emergency Mngr
powerlines down south of Lamont on US 60.
&&
21Special weather statement, Jun 18, 11:01 AM CDT, 3 hours before
Special Weather Statement
National Weather Service Norman OK
1101 AM CDT Thu Jun 18 2026
OKZ007-181630-
Grant OK-
1101 AM CDT Thu Jun 18 2026
...A strong thunderstorm will impact portions of northeastern Grant
County through 1130 AM CDT...
At 1101 AM CDT, Doppler radar was tracking a strong thunderstorm 4
miles northeast of Medford, moving east at 30 mph.
HAZARD...Wind gusts up to 50 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Medford, Deer Creek, and Renfrow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3676 9747 3678 9778 3700 9782 3700 9746
TIME...MOT...LOC 1601Z 273DEG 26KT 3685 9769
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH
..speg.Special weather statement, Jun 18, 11:34 AM CDT, 2 hours 27 minutes before
Special Weather Statement
National Weather Service Norman OK
1134 AM CDT Thu Jun 18 2026
OKZ007-008-181700-
Kay OK-Grant OK-
1134 AM CDT Thu Jun 18 2026
...Strong thunderstorms will impact portions of western Kay and
eastern Grant Counties through NOON CDT...
At 1134 AM CDT, Doppler radar was tracking strong thunderstorms 5
miles north of Nardin and 5 miles northwest of Lamont. Movement was
east at 40 mph.
HAZARD...Wind gusts of 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Blackwell, Tonkawa, Medford, Newkirk, Lamont, Braman, Deer Creek,
Renfrow, Chilocco, Nardin, Blackwell Lake, and Peckham.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3664 9729 3668 9766 3683 9779 3700 9757
3700 9690
TIME...MOT...LOC 1634Z 269DEG 33KT 3689 9746 3674 9764
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
..speg.Special weather statement, Jun 18, 12:07 PM CDT, 1 hour 54 minutes before
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Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 5:51 AM CDT | Special Weather Statement | OUN | Grant | 24 min |
| Jun 18, 5:54 AM CDT | Severe Thunderstorm Warning | OUN | Grant | 51 min |
| Jun 18, 6:18 AM CDT | Special Weather Statement | OUN | Grant | 27 min |
| Jun 18, 6:24 AM CDT | Severe Thunderstorm Warning | OUN | Grant | 21 min |
| Jun 18, 6:43 AM CDT | Severe Thunderstorm Warning | OUN | Grant, Kay | 47 min |
| Jun 18, 6:54 AM CDT | Special Weather Statement | OUN | Kay | 36 min |
| Jun 18, 7:27 AM CDT | Severe Thunderstorm Warning | OUN | Grant, Kay, Noble | 48 min |
| Jun 18, 7:41 AM CDT | Special Weather Statement | OUN | Grant | 34 min |
| Jun 18, 8:13 AM CDT | Special Weather Statement | OUN | Noble | 32 min |
| Jun 18, 8:14 AM CDT | Special Weather Statement | OUN | Grant | 31 min |
| Jun 18, 8:42 AM CDT | Special Weather Statement | OUN | Kay | 18 min |
| Jun 18, 8:44 AM CDT | Special Weather Statement | OUN | Grant | 31 min |
| Jun 18, 9:10 AM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant | 50 min |
| Jun 18, 9:14 AM CDT | Areal Flood Advisory | OUN | Garfield, Grant, Kay, Noble | 2 hr |
| Jun 18, 9:59 AM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay, Noble | 46 min |
| Jun 18, 10:04 AM CDT | Flash Flood Warning | OUN | Garfield, Grant, Kay, Noble | 116 min |
| Jun 18, 10:43 AM CDT | Severe Thunderstorm Warning | OUN | Kay, Noble | 47 min |
| Jun 18, 11:01 AM CDT | Special Weather Statement | OUN | Grant | 29 min |
| Jun 18, 11:34 AM CDT | Special Weather Statement | OUN | Kay | 26 min |
| Jun 18, 11:46 AM CDT | Areal Flood Advisory | OUN | Grant | 3 hr |
| Jun 18, 12:05 PM CDT | Flash Flood Warning | OUN | Grant | 3 hr |
| Jun 18, 12:07 PM CDT | Special Weather Statement | OUN | Grant | 38 min |
| Jun 18, 12:10 PM CDT | Flood Watch | OUN | Carter, Comanche, Cotton, Garvin, Jackson, Jefferson and 4 more | 21 hr |
| Jun 18, 12:22 PM CDT | Severe Thunderstorm Warning | OUN | Grant | 38 min |
| Jun 18, 12:56 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay, Noble | 49 min |
| Jun 18, 2:44 PM CDT | Special Weather Statement | OUN | Kay | 31 min |
| Jun 18, 3:06 PM CDT | Areal Flood Warning | OUN | Grant | 3 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2026Every severe thunderstorm warning in 2026
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.