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
5 %
118,317
1,315,023
Boise, ID...Meridian, ID...Twin Falls, ID...Caldwell, ID...Walla Walla, WA...
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 021618
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1118 AM CDT Mon Sep 02 2024
Valid 021630Z - 031200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
THE INTERIOR PACIFIC NORTHWEST INTO THE NORTHERN GREAT
BASIN/ROCKIES...
...SUMMARY...
Isolated to scattered thunderstorms across the northern Great Basin
and parts of the interior Pacific Northwest may be capable of
occasional strong to severe wind gusts this afternoon and evening.
...Interior Pacific Northwest into the Northern Great
Basin/Rockies...
Water-vapor imagery this morning shows a closed low near the
northern CA/southern OR coast. This upper feature will move east
through OR and be situated along the OR/ID border by daybreak
Tuesday. A belt of stronger flow (30-50 kt 500-mb winds) will move
through the base of the larger-scale mid-level trough and overspread
northern NV into southwestern ID and eastern OR this afternoon into
the early evening. Large-scale ascent associated with the upper
disturbance and the development of weak buoyancy (mainly via
heating), will facilitate the development of isolated to scattered
high-based thunderstorms beginning later this afternoon and
persisting into the evening. Forecast soundings show large surface
temperature-dewpoint spreads (50 degrees F) with 9+ degrees C lapse
rates into the mid levels and a dry sub-cloud layer. Evaporative
cooling of the more intense downdrafts will probably yield a risk
for isolated 60-70 mph gusts before weakening later this evening.
..Smith/Squitieri.. 09/02/2024
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z
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