Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for Watch Status Reports.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 661
NWS Storm Prediction Center Norman OK
440 PM CDT Sun Sep 6 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest into Central Iowa
Eastern Kansas
West-Central into Northwest Missouri
* Effective this Sunday afternoon and evening from 440 PM until
1000 PM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Scattered thunderstorms will continue to develop this
afternoon and pose a risk for severe gusts (mainly 60 to 70 mph) and
isolated large hail. The severe threat will likely continue through
the early to mid evening before gradually diminishing.
The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 80 miles north northeast
of Shenandoah IA to 30 miles southeast of Olathe KS. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 660...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
29015.
...Smith
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1 WW 661 SEVERE TSTM IA KS MO 062140Z - 070300Z AXIS..50 STATUTE MILES EAST AND WEST OF LINE.. 80NNE SDA/SHENANDOAH IA/ - 30SE OJC/OLATHE KS/ ..AVIATION COORDS.. 45NM E/W /53SSW FOD - 18NNE BUM/ HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS. MAX TOPS TO 550. MEAN STORM MOTION VECTOR 29015. LAT...LON 41819385 38549341 38549526 41819580 THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS FOR WOU1.
Watch 661 Status Report Message has not been issued yet.
Note:
Click for Complete Product Text.
Tornadoes
| Probability of 2 or more tornadoes |
Low ( |
| Probability of 1 or more strong (EF2-EF5) tornadoes |
Low ( |
Wind
| Probability of 10 or more severe wind events |
Mod (40%) |
| Probability of 1 or more wind events > 65 knots |
Low (20%) |
Hail
| Probability of 10 or more severe hail events |
Mod (30%) |
| Probability of 1 or more hailstones > 2 inches |
Low (20%) |
Combined Severe Hail/Wind
| Probability of 6 or more combined severe hail/wind events |
High (80%) |
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The “Low” category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
“Moderate” from 30% to 60%, and “High” from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.