Alert archive / Kansas / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 7, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Apr 9, 2026, 9:32 AM CDT for Washington County, Kansas. It was in force for 28 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 9, 2026, 9:32 AM CDT (14:32 UTC)
- Expired
- Apr 9, 2026, 10:00 AM CDT
- In force
- 28 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
County Washington County, KS
The radar
The Topeka radar (KTWX), 103 km from the middle of the area, began a volume at 14:32 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 nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 2.5 hours before the alert went out and 143 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
- 1733 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
107 WUUS53 KTOP 091432 SVRTOP KSC201-091500- /O.NEW.KTOP.SV.W.0007.260409T1432Z-260409T1500Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Topeka KS 932 AM CDT Thu Apr 9 2026 The National Weather Service in Topeka has issued a * Severe Thunderstorm Warning for... Southeastern Washington County in north central Kansas... * Until 1000 AM CDT. * At 931 AM CDT, a severe thunderstorm was located over Palmer, moving east at 35 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Linn, Greenleaf, Barnes, and Palmer. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3958 9720 3967 9724 3985 9686 3961 9685 TIME...MOT...LOC 1431Z 249DEG 30KT 3964 9715 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Reese
2 follow-up statements
602
WWUS53 KTOP 091445
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
945 AM CDT Thu Apr 9 2026
KSC201-091500-
/O.CON.KTOP.SV.W.0007.000000T0000Z-260409T1500Z/
Washington-
945 AM CDT Thu Apr 9 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT
FOR SOUTHEASTERN WASHINGTON COUNTY...
At 944 AM CDT, a severe thunderstorm was located near Greenleaf,
moving east at 35 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Greenleaf and Barnes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3962 9706 3970 9707 3981 9686 3974 9686
3966 9685
TIME...MOT...LOC 1444Z 249DEG 30KT 3968 9701
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
Reese380
WWUS53 KTOP 091451
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
951 AM CDT Thu Apr 9 2026
KSC201-091501-
/O.EXP.KTOP.SV.W.0007.000000T0000Z-260409T1500Z/
Washington-
951 AM CDT Thu Apr 9 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON COUNTY
WILL EXPIRE AT 1000 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, small
hail is still possible with this thunderstorm.
&&
LAT...LON 3962 9706 3970 9707 3981 9686 3974 9686
3966 9685
TIME...MOT...LOC 1451Z 249DEG 30KT 3970 9695
$$
ReeseWhat 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 Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 9, 6:42 AM CDT, 2 hours 50 minutes earlier. Its key messages:
- A few severe storms may develop late this afternoon into the evening, with hail and damaging winds as the main threats.
- Cooler temperatures expected Friday with lingering showers and thunderstorms.
- A washout isn't anticipated this weekend, but we will likely continue to see off and on showers and thunderstorms.
- Monday and/or Tuesday could present more of a severe weather setup in the area, but plenty of uncertainty exists at this time range.
Area forecast discussion, Apr 9, 6:42 AM CDT, 2 hours 50 minutes before
Area Forecast Discussion National Weather Service Topeka KS 642 AM CDT Thu Apr 9 2026 .KEY MESSAGES... - A few severe storms may develop late this afternoon into the evening, with hail and damaging winds as the main threats. - Cooler temperatures expected Friday with lingering showers and thunderstorms. - A washout isn't anticipated this weekend, but we will likely continue to see off and on showers and thunderstorms. - Monday and/or Tuesday could present more of a severe weather setup in the area, but plenty of uncertainty exists at this time range. && .DISCUSSION... Issued at 342 AM CDT Thu Apr 9 2026 Upper air pattern depicts a low moving across southern Ontario while another larger low spins in the eastern Pacific. At the surface, the front from yesterday has settled in an east-west orientation near the I-70 corridor. Some light radar returns have been noted north of the boundary within an area of elevated instability, but no lightning has been observed yet. As we go through the morning, CAMs show some more scattered activity developing in central KS closer to sunrise and moving across northern KS through the mid to late morning hours, all while the front lifts north. The boundary looks to set itself up near the KS/NE border, probably on the NE side, by this afternoon. It's unclear how much clearing will take place through the afternoon with guidance varying somewhat on where a few showers might linger. Even so, there does seem to be decent agreement on thunderstorms becoming more favorable during the 6-10pm time frame with better convergence along the front and some weak perturbations aloft helping to provide upper-level support. The pre- storm environment has effective shear between 35-45 kts and CAPE up to 1000-1500 J/kg. Inverted-V soundings and DCAPE up to 1000 J/kg signal potential for damaging winds, and the instability and shear parameters would be sufficient for large hail with any supercells that can develop before storms congeal into a line. Can't entirely rule out a tornado if a supercell moves along the warm front, but this scenario seems unlikely given high LCLs. Later into the evening/night as storms form a line and become less organized, the severe threat should end. There could still be some locally heavy rainfall with storm motions being parallel to the front, unless the front moves south quickly enough to keep storms more progressive. Based on the latest HREF and its individual members, it would seem reasonable for locations with storms to see an inch or two of rainfall, though locally higher amounts may be possible if training of storms occurs. Heading into Friday, the front is favored to push mainly south of the area, which would keep more of the instability and associated severe risk to our south. That said, some post-frontal showers look to linger into at least the morning. Coverage does not look widespread, however, so some dry time can be anticipated during the day. Temperatures look cooler behind the front and with clouds/rain, resulting in highs in the upper 50s to mid 60s. The weekend doesn't have a particular time period where strong forcing is in play, as any rain chances are driven by weak perturbations within the southwest flow aloft. This keeps the chance for storms off and on, and although likely PoPs are forecast throughout those two days, there should be some breaks in the rain at times and a washout is not anticipated. The WAA should help temperatures return to the 70s. Although instability increases, shear looks weaker so confidence in severe weather is low. The main Pacific trough comes across the western US early next week. Depending on the speed of this system and the timing of associated surface features, this could lead to a better setup for severe weather in the region Monday or Tuesday. Still plenty of time for mesoscale details such as these to be worked out in the coming days, but it will be something to watch. && .AVIATION /12Z TAFS THROUGH 12Z FRIDAY/... Issued at 632 AM CDT Thu Apr 9 2026 Starting to see an area of showers approach the MHK terminal, but less confidence in this reaching the Topeka area, so have accounted for this accordingly in TAFs this morning. From there, expect southerly winds to increase with 20-25 kt gusts persisting through the afternoon and early evening. Thunderstorms are then expected to develop along a front near the KS/NE border, so have added mention of TS as they track southeast toward terminals late tonight. Timing of this, as well as the arrival of MVFR cigs afterwards, could be adjusted in future issuances. Models also indicate the possibility of cigs lowering to IFR towards the end of the period, but opted to hold off on that mention for now. && .TOP WATCHES/WARNINGS/ADVISORIES... None. && DISCUSSION...Picha AVIATION...Picha
Hazardous weather outlook, Apr 9, 3:47 AM CDT, 5 hours 45 minutes before
Hazardous Weather Outlook National Weather Service Topeka KS 347 AM CDT Thu Apr 9 2026 KSZ008>012-020>024-026-034>040-054>056-058-059-100900- Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley- Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris- Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson- 347 AM CDT Thu Apr 9 2026 This Hazardous Weather Outlook is for central Kansas, east central Kansas, north central Kansas and northeast Kansas. .DAY ONE...Today and tonight. A few strong to severe storms are possible late this afternoon and evening. Damaging wind gusts and large hail will be the main hazards with the strongest storms. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. The probability for widespread hazardous weather is low. .SPOTTER MESSAGE Spotters may be needed this afternoon or tonight. && More detailed information can be found at: www.weather.gov/media/top/DssPacket.pdf
In the hours before
Special weather statement, Apr 9, 9:08 AM CDT, 24 minutes before
Special Weather Statement
National Weather Service Topeka KS
908 AM CDT Thu Apr 9 2026
KSZ009-020-021-091430-
Clay-Cloud-Washington-
908 AM CDT Thu Apr 9 2026
...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN WASHINGTON...
NORTHWESTERN CLAY AND NORTHEASTERN CLOUD COUNTIES THROUGH 930 AM
CDT...
At 907 AM CDT, Doppler radar was tracking a strong thunderstorm 4
miles northeast of Aurora, moving east at 35 mph.
HAZARD...Penny size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to outdoor objects and vegetation is
possible.
Locations impacted include...
Clyde, Clifton, Aurora, and Vining.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3966 9738 3965 9737 3966 9737 3970 9730
3948 9726 3945 9756 3954 9759
TIME...MOT...LOC 1407Z 253DEG 28KT 3951 9750
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH
ReeseSpecial weather statement, Apr 9, 9:25 AM CDT, 7 minutes before
Special Weather Statement
National Weather Service Topeka KS
925 AM CDT Thu Apr 9 2026
KSZ009-091500-
Washington-
925 AM CDT Thu Apr 9 2026
...A STRONG THUNDERSTORM WILL IMPACT SOUTHERN WASHINGTON COUNTY
THROUGH 1000 AM CDT...
At 925 AM CDT, Doppler radar was tracking a strong thunderstorm 4
miles west of Palmer, moving east at 35 mph.
HAZARD...Penny size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to outdoor objects and vegetation is
possible.
Locations impacted include...
Clifton, Linn, Greenleaf, Palmer, and Vining.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 3957 9729 3965 9733 3984 9688 3957 9688
TIME...MOT...LOC 1425Z 250DEG 31KT 3962 9722
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...<30 MPH
ReeseThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 9:08 AM CDT | Special Weather Statement | TOP | Cloud | 22 min |
| Apr 9, 9:25 AM CDT | Special Weather Statement | TOP | Washington | 35 min |
| Apr 9, 4:52 PM CDT | Special Weather Statement | TOP | Wabaunsee | 23 min |
| Apr 9, 5:10 PM CDT | Special Weather Statement | TOP | Wabaunsee | 35 min |
| Apr 9, 5:27 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 33 min |
| Apr 9, 5:51 PM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 24 min |
| Apr 9, 5:53 PM CDT | Special Weather Statement | TOP | Shawnee | 37 min |
| Apr 9, 5:57 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 33 min |
| Apr 9, 6:14 PM CDT | Severe Thunderstorm Warning | TOP | Washington | 46 min |
| Apr 9, 6:17 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 28 min |
| Apr 9, 6:27 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 33 min |
| Apr 9, 6:45 PM CDT | Severe Thunderstorm Warning | TOP | Clay, Cloud, Republic, Washington | 45 min |
| Apr 9, 6:49 PM CDT | Severe Thunderstorm Warning | TOP | Washington | 41 min |
| Apr 9, 6:54 PM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 36 min |
| Apr 9, 6:59 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 31 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 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.