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SPC Severe Thunderstorm Watch 489

SPC Severe Thunderstorm Watch 489

[html]WW 489 SEVERE TSTM MN SD 231130Z - 231900Z
     
WW 0489 Image


URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 489
NWS Storm Prediction Center Norman OK
630 AM CDT Sat Jul 23 2022

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Southern Minnesota
  Northeastern South Dakota

* Effective this Saturday morning and afternoon from 630 AM until
  200 PM CDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 75
    mph likely
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  A tornado or two possible

SUMMARY...Initially isolated severe thunderstorms over the western
parts of the watch area, in SD, are expected to expand/organize into
a co*plex of severe thunderstorms through the remainder of the
morning and into the afternoon.  As this activity moves
east-southeastward over the next several hours, a threat exists for
both severe wind and occasional damaging hail.  The tornado
potential may increase toward the later hours of the watch time in
MN.

The severe thunderstorm watch area is approximately along and 50
statute miles either side of a line from 30 miles west of Aberdeen
SD to 45 miles east of Mankato MN. For a co*plete 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...c*NTINUE...WW 487...WW 488...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 600. Mean storm motion vector
29040.

...Edwards


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Source: SPC Severe Thunderstorm Watch 489 (http://ht**://www.spc.noaa.gov/products/watch/ww0489.html)