Severe Storm Outlook Narrative (AC)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
ACUS02 KWNS 200611
SPC AC 200610

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1210 AM CST Mon Feb 20 2017

Valid 211200Z - 221200Z


Organized severe thunderstorms are not forecast across the
contiguous United States on Tuesday.

The upper pattern over the Lower 48 states will likely prove
unfavorable for severe thunderstorm development on Tuesday as a
larger-scale mid-level trough remains over the eastern Pacific and a
trough/low weakens over the Gulf of Mexico.  A smaller-scale
mid-level perturbation with associated height falls will move
eastward from CA/OR to WY during the period.  Widely spaced
thunderstorms are possible in conjunction with the shortwave
impulse.  A low probability for a few thunderstorms may exist across
the central Gulf Coast on the northern periphery of the Gulf of
Mexico disturbance.  Elsewhere, moisture and instability will be
limited to nonexistent and prove hostile to thunderstorm

..Smith.. 02/20/2017

$$ is the U.S. government's official web portal to all federal, state and local government web resources and services.