Storm Prediction Center Severe Thunderstorm Watch 469
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2 hours ago
Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended. Note: Click for Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 469
NWS Storm Prediction Center Norman OK
545 PM CDT Fri Jun 27 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-Central and Southeast South Dakota
* Effective this Friday afternoon from 545 PM until Midnight CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph possible
Scattered large hail and isolated very large hail events to 3
inches in diameter possible
A tornado or two possible
SUMMARY...Supercell development may occur initially across
south-central South Dakota, with these storms potentially capable of
very large hail and locally damaging winds as the most probable
hazards within a moist and very unstable environment.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 50 miles southwest of
Pierre SD to 40 miles south southeast of Huron SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
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 467...WW 468...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28025.
...Guyer
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 469
NWS Storm Prediction Center Norman OK
545 PM CDT Fri Jun 27 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-Central and Southeast South Dakota
* Effective this Friday afternoon from 545 PM until Midnight CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph possible
Scattered large hail and isolated very large hail events to 3
inches in diameter possible
A tornado or two possible
SUMMARY...Supercell development may occur initially across
south-central South Dakota, with these storms potentially capable of
very large hail and locally damaging winds as the most probable
hazards within a moist and very unstable environment.
The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 50 miles southwest of
Pierre SD to 40 miles south southeast of Huron SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
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 467...WW 468...
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28025.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 469 SEVERE TSTM SD 272245Z - 280500Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
50SW PIR/PIERRE SD/ - 40SSE HON/HURON SD/
..AVIATION COORDS.. 50NM N/S /48SW PIR - 51WNW FSD/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..70 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 28025.
LAT...LON 44660099 44649792 43059792 43070099
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 469 Status Report Messages:
STATUS REPORT #2 ON WW 469
VALID 280250Z - 280340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NNE ANW
TO 25 S 9V9 TO 20 WNW 9V9 TO 15 SSW PHP.
..LYONS..06/28/25
ATTN...WFO...FSD...ABR...UNR...
&&
STATUS REPORT FOR WS 469
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
SDC003-005-009-015-017-021-023-027-031-035-041-043-045-049-053-
059-061-065-067-069-073-075-085-087-089-107-111-117-119-125-129-
135-280340-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
AURORA BEADLE BON HOMME
BRULE BUFFALO CAMPBELL
CHARLES MIX CLAY CORSON
DAVISON DEWEY DOUGLAS
EDMUNDS FAULK GREGORY
HAND HANSON HUGHES
HUTCHINSON HYDE JERAULD
JONES LYMAN MCCOOK
MCPHERSON POTTER SANBORN
STANLEY SULLY TURNER
WALWORTH YANKTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 469
VALID 280105Z - 280240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LYONS..06/28/25
ATTN...WFO...FSD...ABR...UNR...
&&
STATUS REPORT FOR WS 469
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
SDC003-005-015-017-023-035-043-053-059-065-069-073-075-085-095-
111-117-121-123-280240-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
AURORA BEADLE BRULE
BUFFALO CHARLES MIX DAVISON
DOUGLAS GREGORY HAND
HUGHES HYDE JERAULD
JONES LYMAN MELLETTE
SANBORN STANLEY TODD
TRIPP
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (5%)
Wind
Probability of 10 or more severe wind events
Mod (40%)
Probability of 1 or more wind events > 65 knots
Mod (30%)
Hail
Probability of 10 or more severe hail events
Mod (40%)
Probability of 1 or more hailstones > 2 inches
Mod (40%)
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.
