Source: US National Oceanic and Atmospheric Administration
Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.Note: Click for Watch Status Reports.
SEL3
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 453
NWS Storm Prediction Center Norman OK
400 PM CDT Sun Jun 22 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central Nebraska
Southeast South Dakota
* Effective this Sunday afternoon and evening from 400 PM until
1100 PM CDT.
* Primary threats include…
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY…Severe thunderstorms are expected to develop rapidly and
move northeast across the watch area through this evening with a
risk for damaging wind gusts and large hail. The potential for
corridors of more concentrated wind damage may increase towards this
evening.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 45 miles northeast of
Mitchell SD to 60 miles south southeast of North Platte NE. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
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 451…WW 452…
AVIATION…A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
23030.
…Bunting
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW3
WW 453 SEVERE TSTM NE SD 222100Z – 230400Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
45NE MHE/MITCHELL SD/ – 60SSE LBF/NORTH PLATTE NE/
..AVIATION COORDS.. 50NM E/W /44NW FSD – 18ENE MCK/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 23030.
LAT…LON 44229618 40329911 40320138 44229860
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 453 Status Report Message has not been issued yet.
Note: Click for Complete Product Text.Tornadoes
Probability of 2 or more tornadoes
Low (20%)
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (5%)
Wind
Probability of 10 or more severe wind events
Mod (50%)
Probability of 1 or more wind events > 65 knots
Low (20%)
Hail
Probability of 10 or more severe hail events
Mod (40%)
Probability of 1 or more hailstones > 2 inches
Mod (30%)
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.