Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 67, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Apr 1, 2026, 6:50 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 1, 2026, 6:50 PM CDT (23:50 UTC)
- Expired
- Apr 1, 2026, 7:31 PM CDT
- In force
- 41 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Osage County, OK, Pawnee County, OK
The radar
The Vance AFB radar (KVNX), 108 km from the middle of the area, began a volume at 23:52 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 1, 4:41 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 11.8 hours before the alert went out and 161 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
- 51 J/kg
- Mixed-layer CIN
- -436 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
180
WUUS54 KTSA 012350
SVRTSA
OKC113-117-020045-
/O.NEW.KTSA.SV.W.0067.260401T2350Z-260402T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
650 PM CDT Wed Apr 1 2026
The National Weather Service in Tulsa has issued a
* Severe Thunderstorm Warning for...
Northwestern Osage County in northeastern Oklahoma...
Northwestern Pawnee County in northeastern Oklahoma...
* Until 745 PM CDT.
* At 649 PM CDT, a severe thunderstorm was located 6 miles southwest
of Sooner Lake, moving northeast at 30 mph. Another severe
thunderstorm was located just east of Marland, moving northeast at
30 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations in or near the path include...
Ralston... Apperson...
Burbank... Fairfax...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until midnight CDT for northeastern
Oklahoma.
&&
LAT...LON 3670 9703 3668 9694 3675 9689 3674 9683
3677 9682 3678 9675 3690 9675 3646 9664
3633 9693 3633 9703 3651 9703 3651 9701
3653 9698 3655 9690 3658 9689 3660 9692
3658 9698 3659 9705 3660 9704 3668 9706
TIME...MOT...LOC 2349Z 228DEG 24KT 3637 9710
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
692 follow-up statements
306
WWUS54 KTSA 020011
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
711 PM CDT Wed Apr 1 2026
OKC113-117-020045-
/O.CON.KTSA.SV.W.0067.000000T0000Z-260402T0045Z/
Osage OK-Pawnee OK-
711 PM CDT Wed Apr 1 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHWESTERN OSAGE AND NORTHWESTERN PAWNEE COUNTIES...
At 711 PM CDT, a severe thunderstorm was located 8 miles northeast of
Sooner Lake, moving northeast at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations in or near the path include...
Ralston... Apperson...
Burbank... Fairfax...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until midnight CDT for northeastern
Oklahoma.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3668 9694 3675 9689 3674 9683 3677 9682
3678 9675 3690 9675 3646 9664 3633 9693
3633 9697 3651 9701 3653 9698 3655 9690
3658 9689 3660 9692
TIME...MOT...LOC 0011Z 231DEG 30KT 3649 9690
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
69540
WWUS54 KTSA 020031
SVSTSA
Severe Weather Statement
National Weather Service Tulsa OK
731 PM CDT Wed Apr 1 2026
OKC113-117-020041-
/O.CAN.KTSA.SV.W.0067.000000T0000Z-260402T0045Z/
Osage OK-Pawnee OK-
731 PM CDT Wed Apr 1 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OSAGE AND
NORTHWESTERN PAWNEE COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled. However, gusty winds to 40 mph are still possible
with this thunderstorm.
A Tornado Watch remains in effect until midnight CDT for northeastern
Oklahoma.
&&
LAT...LON 3668 9694 3675 9689 3674 9683 3677 9682
3678 9675 3690 9675 3646 9664 3633 9693
3633 9697 3651 9701 3653 9698 3655 9690
3658 9689 3660 9692
TIME...MOT...LOC 0030Z 228DEG 24KT 3658 9677
$$
69What 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 Apr 1, 6:30 PM CDT, 20 minutes earlier. Its key messages:
- Updated at 624 PM CDT Wed Apr 1 2026
- Severe weather chances increase late this afternoon through early tonight, particularly across E OK. All severe hazards possible.
- Strong winds develop late tonight through Thursday morning, especially across northeast Oklahoma.
- Additional round of strong to severe thunderstorms Friday evening as a cold front moves through the region.
- Cooler and drier conditions Sunday into early next week.
Area forecast discussion, Apr 1, 6:30 PM CDT, 20 minutes before
Area Forecast Discussion National Weather Service Tulsa OK 630 PM CDT Wed Apr 1 2026 ...New AVIATION... .KEY MESSAGES... Updated at 624 PM CDT Wed Apr 1 2026 - Severe weather chances increase late this afternoon through early tonight, particularly across E OK. All severe hazards possible. - Strong winds develop late tonight through Thursday morning, especially across northeast Oklahoma. - Additional round of strong to severe thunderstorms Friday evening as a cold front moves through the region. - Cooler and drier conditions Sunday into early next week. && .SHORT TERM... (Through tonight ) Issued at 1209 PM CDT Wed Apr 1 2026 A frontal boundary and sfc trough were draped across northern portions of the area this morning, extending from the south Texas panhandle well into Missouri. This front will tend to lift back north through the day as lee troughing intensifies ahead of an approaching mid-upper level shortwave. As this occurs, dewpoints increase into the mid 60s across central and eastern Oklahoma, east of a sharpening dryline across the Texas panhandle/Western Oklahoma. This will set the stage for thunderstorm development along the dryline and frontal boundary by late this afternoon and evening. Before this occurs, warm sector showers and embedded thunderstorms will continue into this afternoon, associated with a subtle wave within the warm advection regime. Severe weather is unlikely with this activity, though any storm lingering into the late afternoon could intensify as instability and shear increases. Storms that initiate near the front will be a greater concern for our area late this afternoon and evening, generally north of I-44 and near the OK-KS border. MLCAPE in excess of 2000 J/kg, steep lapse rates, and gradually increasing deep/low layer shear will allow storms late this afternoon through the evening to strengthen and become severe. Large hail and damaging winds will be the primary hazards initially, but tornadoes will also be possible as the low level jet intensifies this evening. Storms that initiated off the dryline will have moved east across central Oklahoma and will be approaching the CWA by late evening. By this time, these storms are likely to be more linear in nature, with a higher damaging wind threat and decreasing hail potential. Tornadoes will remain possible within the line as low level shear/helicity becomes maximized during this evening. Currently expect highest severe potential to occur between 6 PM and 3 AM tonight as frontal/dryline storms move east across E OK. By the early morning hours, storms will be moving into NW AR with at least a low severe threat persisting. However, a weakening trend is expected as instability wanes with time and eastward extent. In addition to the severe potential, heavy rainfall will be possible tonight as PWATs will be anomalously high for this time of year. The recent dry spell may help alleviate concerns to some degree... but flash flooding will certainly still be possible with rain rates up to 1-2 in/hr, especially across northeast Oklahoma. Showers and thunderstorms will continue to decay and move east through Thursday morning, with gradually clearing skies behind it. Winds will become quite gusty out of the south-southwest following storms tonight into Thursday morning as the sfc low passes just north of the area. As of now, gusts are forecast to remain mostly less than 40 mph, but there is at least low potential for advisory-level winds late tonight through early Thursday afternoon, particularly across northeast Oklahoma. && .LONG TERM... (Tomorrow through Wednesday) Issued at 1209 PM CDT Wed Apr 1 2026 Mostly dry conditions are expected Thursday, but there will be at least a low chance of showers and thunderstorms across far E OK and NW AR during the afternoon as the trough axis moves through the region. No severe weather is expected. Some WAA showers/storms remain possible Thursday night ahead of another system which will impact the area on Friday. Strong moisture advection will take place Friday morning as a sfc low strengthens across the central high plains. By the late afternoon and evening hours, a cold front will move southeast into the region, with widespread thunderstorm coverage expected along the boundary. Severe weather will again be possible with this activity, particularly damaging wind gusts. Highest severe potential is expected across northeast Oklahoma, decreasing to the south and east as the front moves through the region. By Saturday morning, rain chances will be exiting the FA with post-frontal high pressure filling in behind it. This will provide quieter weather through the weekend, albeit much cooler with highs in the 60s. Temperatures gradually recover going into next week as southerly flow attempts to re-establish itself. Long range guidance suggests the pattern will remain dynamic next week with additional rain and storm chances by mid-late week. && .AVIATION... (00Z TAFS) Issued at 630 PM CDT Wed Apr 1 2026 Showers and thunderstorms are expanding in coverage to the west of the area currently and will be moving into portions of NE OK over the next hour. A storm could still graze by KBVO this evening, but mostly showers are expected there through the evening. More widespread coverage of thunderstorms is expected to move into E OK late this evening from the west and progress across the area through the overnight hours. Gusty winds and heavy rainfall will be possible with any storms, along with a period of MVFR cigs from late tonight into tomorrow morning. Area of showers and storms should exit NW AR by mid morning tomorrow with clearing skies from west to east through the afternoon. Gusty southwest winds will follow the storm system tomorrow afternoon across all sites. Bowlan && .PRELIMINARY POINT TEMPS/POPS... TUL 65 85 68 80 / 100 10 10 50 FSM 66 83 66 83 / 70 70 60 60 MLC 66 83 68 80 / 90 30 30 50 BVO 62 83 63 80 / 100 10 10 60 FYV 64 80 63 80 / 70 70 50 60 BYV 64 78 65 80 / 60 60 50 60 MKO 64 83 65 80 / 90 30 20 50 MIO 63 81 65 78 / 90 30 30 50 F10 63 83 65 79 / 90 20 10 50 HHW 64 81 65 78 / 80 70 30 50 && .TSA WATCHES/WARNINGS/ADVISORIES... OK...None. AR...None. && SHORT TERM...43 LONG TERM....43 AVIATION...04
Hazardous weather outlook, Apr 1, 5:00 PM CDT, 1 hour 50 minutes before
Hazardous Weather Outlook National Weather Service Tulsa OK 500 PM CDT Wed Apr 1 2026 ARZ001-002-010-011-019-020-029-OKZ049-053>076-022200- Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK- Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK- Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK- Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK- Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK- Washington OK-Washington AR- 500 PM CDT Wed Apr 1 2026 ...SEVERE WEATHER POSSIBLE THIS EVENING AND EARLY TONIGHT... This Outlook is for Northwest and West Central Arkansas as well as much of Eastern Oklahoma. .DAY ONE...Today and Tonight. TORNADO. RISK...Limited. AREA...Mainly Northwest of I-44. ONSET...Ongoing. SEVERE THUNDERSTORM. RISK...Elevated. AREA...Eastern Oklahoma and Northwest Arkansas. ONSET...Ongoing for northeast Oklahoma...after 9 PM elsewhere. HEAVY RAIN AND FLASH FLOOD. RISK...Limited. AREA...Eastern Oklahoma. ONSET...This Evening. SIGNIFICANT WINDS. RISK...Limited. AREA...Eastern Oklahoma and Northwest Arkansas. ONSET...Ongoing. FIRE WEATHER DANGER. RISK...Limited. AREA...Eastern Oklahoma and Northwest Arkansas. ONSET...Ongoing. DISCUSSION... Scattered late afternoon storms will develop along and northwest of Interstate 44 with large hail and locally damaging wind potential, along with at least a limited tornado threat through this evening. By late evening a line of storms will spread into eastern Oklahoma. These storms will pose a risk of damaging winds and a limited tornado risk. The storms are expected to weaken as they spread eastward toward northwest Arkansas with the severe weather threat diminishing by the early morning hours Thursday. Heavy rainfall and localized flash flooding will also be possible, particularly across northeast Oklahoma. Late overnight into Thursday morning, strong south-southwest winds develop, with gusts between 20 and 35 mph. Isolated gusts near 40 mph are possible across northeast Oklahoma and northwest Arkansas. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... Activation of the Regional Spotter Network Likely. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. THURSDAY...Thunderstorm...Very High Fire Weather and High Wind Potential. FRIDAY...Thunderstorm...High Wind and Heavy Rain Potential. SATURDAY...Thunderstorm Potential. SUNDAY THROUGH TUESDAY...No Hazards. EXTENDED DISCUSSION... Thunderstorms may be ongoing early Thursday morning across portions of eastern Oklahoma and northwest Arkansas. These storms are expected to move east of the region by the afternoon. Gusty winds will maintain a concern for grassland fire weather conditions for those locations who do not receive meaningful rainfall. Thunderstorm chances increase again Friday afternoon and become widespread Friday night into Saturday as a slow moving cold front moves into the region. A risk of severe weather will accompany the initial storms through Friday evening with a transition toward a heavy rainfall risk Friday night into Saturday. weather.gov/tulsa contains additional information.
In the hours before
Special weather statement, Apr 1, 6:34 PM CDT, 16 minutes before
Special Weather Statement
National Weather Service Tulsa OK
634 PM CDT Wed Apr 1 2026
OKZ054-059-020030-
Osage OK-Pawnee OK-
634 PM CDT Wed Apr 1 2026
...STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN OSAGE AND PAWNEE
COUNTIES THROUGH 730 PM CDT...
At 633 PM CDT, Doppler radar indicated strong thunderstorms along a
line extending from 2 miles west of Kildare to near Marland to 5
miles east of Perry. Movement was northeast at 25 mph.
HAZARD...Wind gusts up to 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down small tree limbs and blow
around unsecured objects. Minor hail damage to vegetation
is possible.
Locations in or near the path include...
Skedee... Webb City...
Apperson... Burbank...
Fairfax... Blackburn...
Ralston... Foraker...
Maramec... Grainola...
Sooner Lake... Shidler...
Pawnee... Kaw Lake...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Tornado Watch remains in effect until midnight CDT for northeastern
Oklahoma.
&&
LAT...LON 3700 9652 3624 9661 3623 9682 3625 9682
3625 9692 3633 9693 3634 9703 3651 9703
3655 9690 3658 9689 3660 9692 3659 9705
3668 9706 3670 9703 3668 9694 3675 9689
3674 9683 3677 9682 3678 9675 3700 9675
TIME...MOT...LOC 2333Z 226DEG 22KT 3681 9710 3654 9714 3629 9719
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
69The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 6:34 PM CDT | Special Weather Statement | TSA | Pawnee | 56 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.