601
ACUS01 KWNS 271244
SWODY1
SPC AC 271242
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0642 AM CST TUE JAN 27 2026
VALID 271300Z - 281200Z
..NO THUNDERSTORM AREAS FORECAST
..SUMMARY
THUNDERSTORMS ARE UNLIKELY TODAY.
..SYNOPSIS
SEVERAL SHORTWAVE TROUGHS ARE FORECAST TO PROGRESS EASTWARD TODAY
WITHIN THE CYCLONIC FLOW ALOFT COVERING MUCH OF THE CENTRAL AND
EASTERN CONUS. AT THE SAME TIME, UPPER RIDGING WILL MOVE EASTWARD
ACROSS THE WESTERN CONUS TO THE INTERMOUNTAIN WEST AND A STRONG
SHORTWAVE TROUGH WILL MOVE ACROSS THE PACIFIC NORTHWEST. THIS
EVOLUTION WILL LEAD TO A MODESTLY AMPLIFIED TROUGH/RIDGE/TROUGH
PATTERN OVER THE CONUS BY EARLY TOMORROW.
EVEN WITH THIS RELATIVELY PROGRESSIVE PATTERN, THE EXTENSIVE AND
COLD AIRMASS IN PLACE OVER MUCH OF THE CONUS WILL PROMOTE OFFSHORE
TRAJECTORIES AND COLD/STABLE SENSIBLE WEATHER. STRONGEST CONVECTION
TODAY IS ANTICIPATED WITH A FRONTAL BAND ATTENDANT TO THE PACIFIC
NORTHWEST SHORTWAVE TROUGH. HOWEVER, THIS CONVECTION WILL STILL BE
TOO SHALLOW TO PRODUCE LIGHTNING.
..MOSIER/BROYLES.. 01/27/2026
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