Sioux Falls, SD...Pueblo, CO...Sioux City, IA...North Platte, NE...Brookings, SD...
Probabilistic Tornado Graphic
Probability of a tornado within 25 miles of a point. Hatched Area: 10% or greater probability of EF2 - EF5 tornadoes within 25 miles of a point.
Day 1 Tornado Risk
Area (sq. mi.)
Area Pop.
Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Probabilistic Damaging Wind Graphic
Probability of damaging thunderstorm winds or wind gusts of 50 knots or higher within 25 miles of a point. Hatched Area: 10% of greater probability of wind gusts 65 knots or greater within 25 miles of a point.
Day 1 Wind Risk
Area (sq. mi.)
Area Pop.
Some Larger Population Centers in Risk Area
15 %
27,400
121,190
Lamar, CO...
5 %
74,449
1,190,400
Sioux Falls, SD...Pueblo, CO...Sioux City, IA...North Platte, NE...Brookings, SD...
Probabilistic Large Hail Graphic
Probability of hail 1" or larger within 25 miles of a point. Hatched Area: 10% or greater probability of hail 2" or larger within 25 miles of a point.
SPC AC 060041
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0741 PM CDT Wed Aug 05 2020
Valid 060100Z - 061200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE CENTRAL
HIGH PLAINS...
...SUMMARY...
A few severe thunderstorms will linger this evening across the
central High Plains.
...Central High Plains...
Early-evening water vapor imagery depicts a mid-level vort along the
UT/CO border near 4BL. This feature will soon turn east and approach
the High Plains toward sunrise. Latest guidance suggests some mass
response ahead of this feature with a weak LLJ expected to develop
along the KS/CO border late this evening. Isolated strong/severe
storms have developed well ahead of this vort but organization has
been lacking and there is currently no indication that this activity
will grow upscale appreciably. Even so, gusty winds/hail may
continue to be noted with this convection has it spreads toward
northwest KS.
Farther east into southeast SD/northeast NE, towering cumulus has
been slow to develop into thunderstorms. However, over the last hour
or so, more sustained updrafts have begun to produce a few showers.
Will maintain low severe probs but overall risk appears somewhat
marginal.
..Darrow.. 08/06/2020
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
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