Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 277, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jun 18, 2026, 12:36 PM CDT for Craig County, Nowata County, Oklahoma. It was in force for 24 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, 12:36 PM CDT (17:36 UTC)
- Expired
- Jun 18, 2026, 1:00 PM CDT
- In force
- 24 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Craig County, OK, Nowata County, OK
The radar
The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 17:35 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 |
|---|---|---|---|
| Jan 8, 8:30 AM CST | Tornado Watch | SPC | 243 days |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 5.6 hours before the alert went out and 249 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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 12:08 PM CDT, 28 minutes earlier.
Area forecast discussion, Jun 18, 12:08 PM CDT, 28 minutes before
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Hazardous Weather Outlook
National Weather Service Tulsa OK
523 AM CDT Thu Jun 18 2026
ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071-
073>075-154-172-176-254-272-276-354-376-191030-
Benton-Carroll-Washington AR-Madison-Northern Crawford-
Northern Franklin-North and Central Sebastian-Southern Crawford-
Central and Southern Franklin-Southern Sebastian-Pushmataha-
Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-
Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair-
Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage-
Northern Sequoyah-Northern Le Flore-Northeast Osage-
Central and Southern Sequoyah-Central Le Flore-Southeast Osage-
Southern Le Flore-
523 AM CDT Thu Jun 18 2026
This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.
.DAY ONE...Today and Tonight.
SEVERE THUNDERSTORM.
RISK...Limited.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...Ongoing.
HEAVY RAIN.
RISK...Limited.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...Mainly Tonight.
DANGEROUS HEAT.
RISK...Elevated.
AREA...Southeast Oklahoma and West Central Arkansas.
ONSET...This Afternoon.
DISCUSSION...
A cold front will move slowly south across the area today into
this evening. Scattered showers and thunderstorms will occur near
and north of the front today and tonight, with a limited severe
weather threat in the form of large hail and damaging winds.
Locally heavy rainfall will also be possible, especially tonight
when storm coverage will likely be greatest.
Ahead of the front, heat index values will climb into the 100 to
105 degree range this afternoon across parts of southeast
Oklahoma and west central Arkansas.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Local Spotter Activation May Be Needed.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
FRIDAY...Thunderstorm Potential.
SATURDAY...Thunderstorm Potential...High Wind Potential.
SUNDAY...Severe Thunderstorm Potential...High Wind Potential...
Dangerous Heat Potential...Heavy Rain Potential.
MONDAY through WEDNESDAY...Thunderstorm Potential.
EXTENDED DISCUSSION...
An unsettled weather pattern will continue over the next week,
with near daily shower and thunderstorm chances. Some severe
weather threat will exist most days, along with the threat for
locally heavy rainfall. Current indications are that Sunday
afternoon and evening may be the time period with the greatest
threat for severe weather and locally heavy rainfall.
weather.gov/tulsa contains additional information.In the hours before
Special weather statement, Jun 18, 10:46 AM CDT, 1 hour 50 minutes before
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Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 11:25 PM CDT | Heat Advisory | TSA | Choctaw, Haskell, Latimer, LeFlore, Pushmataha | 20 hr |
| Jun 18, 7:13 AM CDT | Special Weather Statement | TSA | Osage | 32 min |
| Jun 18, 7:45 AM CDT | Special Weather Statement | TSA | Osage | 30 min |
| Jun 18, 8:11 AM CDT | Special Weather Statement | TSA | Osage | 34 min |
| Jun 18, 8:47 AM CDT | Special Weather Statement | TSA | Kay | 28 min |
| Jun 18, 9:00 AM CDT | Special Weather Statement | TSA | Craig, Nowata, Ottawa | 30 min |
| Jun 18, 9:15 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Mayes, Nowata, Ottawa, Rogers | 32 min |
| Jun 18, 9:46 AM CDT | Special Weather Statement | TSA | Craig, Mayes, Ottawa, Rogers | 29 min |
| Jun 18, 9:51 AM CDT | Special Weather Statement | TSA | Washington | 24 min |
| Jun 18, 9:55 AM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Washington | 32 min |
| Jun 18, 10:27 AM CDT | Special Weather Statement | TSA | Washington | 33 min |
| Jun 18, 10:46 AM CDT | Special Weather Statement | TSA | Nowata | 29 min |
| Jun 18, 10:53 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 37 min |
| Jun 18, 11:08 AM CDT | Special Weather Statement | TSA | Craig | 37 min |
| Jun 18, 11:20 AM CDT | Special Weather Statement | TSA | Nowata | 25 min |
| Jun 18, 11:34 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 27 min |
| Jun 18, 12:02 PM CDT | Special Weather Statement | TSA | Craig | 28 min |
| Jun 18, 12:03 PM CDT | Special Weather Statement | TSA | Nowata | 27 min |
| Jun 18, 12:05 PM CDT | Special Weather Statement | TSA | Nowata, Washington | 25 min |
| Jun 18, 12:09 PM CDT | Areal Flood Advisory | TSA | Nowata | 3 hr |
| Jun 18, 12:21 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 24 min |
| Jun 18, 2:14 PM CDT | Special Weather Statement | TSA | Kay | 31 min |
| Jun 18, 2:47 PM CDT | Special Weather Statement | TSA | Osage | 28 min |
| Jun 18, 3:09 PM CDT | Special Weather Statement | TSA | Osage | 36 min |
| Jun 18, 3:54 PM CDT | Special Weather Statement | TSA | Washington | 36 min |
| Jun 18, 5:33 PM CDT | Special Weather Statement | TSA | Sebastian | 27 min |
| Jun 18, 5:48 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 42 min |
| Jun 18, 6:17 PM CDT | Special Weather Statement | TSA | Sebastian | 43 min |
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.