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
No Risk Areas Forecast
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.
Day 1 Hail Risk
Area (sq. mi.)
Area Pop.
Some Larger Population Centers in Risk Area
No Risk Areas Forecast
SPC AC 010050
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0750 PM CDT Sun Oct 31 2021
Valid 010100Z - 011200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
No severe thunderstorms are expected across the continental United
States through tonight.
...DISCUSSION...
An upper-level trough will remain over the Pacific Northwest with
confluent flow in the mid-levels over the central Rockies. An area
of steep mid-level lapse rates and weak instability is located from
Nevada eastward into western Colorado. Scattered thunderstorms will
occur this evening along the northern edge of the steep lapse rates
from southern Idaho into northwestern Colorado. No severe weather
should occur with this activity. Elsewhere across the continental
United States, thunderstorms are not expected through tonight.
..Broyles.. 11/01/2021
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
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