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 160036
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0736 PM CDT Wed Mar 15 2017
Valid 160100Z - 161200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorms are not expected across the contiguous United States
tonight.
...Synopsis...
As an upper vortex over New England shifts northeastward into the
Canadian Maritimes and the broader trough surrounding the low
advances slowly across the eastern U.S., upstream ridging will
flatten/deamplify with time as short-wave troughing shifts
inland/across the Pacific Northwest.
A cold front associated with the Pacific Northwest upper feature
will likewise across the northwestern U.S. with time, though the
lack of appreciable CAPE suggests that potential for lightning
within the showery convection over the region should remain
negligible. Elsewhere, with high pressure prevailing east of the
Rockies, thunderstorms are not expected.
..Goss.. 03/16/2017
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
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