Alert archive / Kansas / Tornado Watches in 2021
Tornado Watch 536
The Storm Prediction Center issued this tornado watch at Oct 26, 2021, 6:17 PM CDT for 30 counties in Kansas; 12 counties in Oklahoma. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 26, 2021, 6:17 PM CDT (23:17 UTC)
- Expired
- Oct 27, 2021, 1:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 65 kt
All 42 counties
Barber County, KS, Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Graham County, KS, Harper County, KS, Hodgeman County, KS, Jewell County, KS, Kingman County, KS, Kiowa County, KS, Lincoln County, KS, Mitchell County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Pawnee County, KS, Phillips County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Smith County, KS, Stafford County, KS, Trego County, KS, Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Harper County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK
The radar
The Dodge City radar (KDDC), 107 km from the middle of the area, began a volume at 23:17 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 26, 6:21 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Roger Mills | 24 min |
| Oct 26, 6:43 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Roger Mills, Woodward | 27 min |
| Oct 26, 6:59 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Greer | 13 min |
| Oct 26, 7:01 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper, Woods, Woodward | 18 min |
| Oct 26, 7:06 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Roger Mills | 39 min |
| Oct 26, 7:26 PM CDT | Severe Thunderstorm Warning | DDC | Finney, Gray, Hodgeman, Lane, Ness | 35 min |
| Oct 26, 7:37 PM CDT | Severe Thunderstorm Warning | DDC | Lane, Ness, Trego | 53 min |
| Oct 26, 7:42 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Roger Mills | 48 min |
| Oct 26, 7:55 PM CDT | Severe Thunderstorm Warning | GLD | Gove, Graham, Sheridan | 35 min |
| Oct 26, 7:55 PM CDT | Tornado Warning | OUN | Beckham, Roger Mills | 35 min |
| Oct 26, 7:57 PM CDT | Severe Thunderstorm Warning | DDC | Ford, Hodgeman | 48 min |
| Oct 26, 7:59 PM CDT | Severe Thunderstorm Warning | DDC | Hodgeman, Ness | 22 min |
| Oct 26, 8:05 PM CDT | Severe Thunderstorm Warning | OUN | Dewey, Ellis, Roger Mills, Woodward | 40 min |
| Oct 26, 8:07 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woods, Woodward | 38 min |
| Oct 26, 8:10 PM CDT | Severe Thunderstorm Warning | OUN | Harper, Woods | 16 min |
| Oct 26, 8:41 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Dewey, Ellis, Harper, Major, Roger Mills and 2 more | 49 min |
| Oct 26, 8:46 PM CDT | Severe Thunderstorm Warning | GLD | Graham, Norton | 59 min |
| Oct 26, 8:48 PM CDT | Severe Thunderstorm Warning | DDC | Trego | 36 min |
| Oct 26, 8:53 PM CDT | Severe Thunderstorm Warning | GID | Phillips, Rooks | 52 min |
| Oct 26, 9:09 PM CDT | Severe Thunderstorm Warning | DDC | Edwards, Ford, Hodgeman, Pawnee | 36 min |
| Oct 26, 9:30 PM CDT | Severe Thunderstorm Warning | GID | Phillips, Smith | 45 min |
| Oct 26, 9:31 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Dewey, Major, Woods, Woodward | 44 min |
| Oct 26, 10:11 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Major, Woods | 22 min |
| Oct 26, 10:14 PM CDT | Severe Thunderstorm Warning | ICT | Kingman, Reno | 46 min |
| Oct 26, 10:42 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Cotton, Kiowa, Tillman, Washita | 63 min |
| Oct 26, 10:43 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Woods | 35 min |
| Oct 26, 11:52 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Canadian, Cleveland, Garvin, Grady, Kingfisher and 3 more | 53 min |
| Oct 26, 11:53 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Grant, Major | 52 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 11.3 hours before the alert went out and 101 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
- 1730 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 499 m²/s²
- 0-3 km storm-relative helicity
- 484 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
617
WWUS20 KWNS 262314
SEL6
SPC WW 262314
KSZ000-OKZ000-270600-
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 536
NWS Storm Prediction Center Norman OK
615 PM CDT Tue Oct 26 2021
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Central Kansas
Northwest Oklahoma
* Effective this Tuesday night and Wednesday morning from 615 PM
until 100 AM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
SUMMARY...Thunderstorms will slowly intensify this evening along a
dryline over west-central Kansas and western Oklahoma. The
strongest cells will pose a risk of damaging wind gusts, large hail,
and a few tornadoes.
The tornado watch area is approximately along and 60 statute miles
east and west of a line from 55 miles northeast of Hill City KS to
15 miles east southeast of Clinton OK. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 23035.
...HartSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 26, 4:51 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Clark, Comanche, Decatur, Edwards and 24 more | 84 min |
| Oct 26, 5:40 PM CDT | Mesoscale Discussion | SPC | Greer, Harmon, Jackson, Kiowa, Tillman | 65 min |
Nearby
Tornado Watches in Kansas, 2021Tornado Watches in Oklahoma, 2021Every tornado watch in 2021
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.