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
000
ACUS03 KWNS 250731
SWODY3
SPC AC 250730

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0230 AM CDT MON MAY 25 2015

VALID 271200Z - 281200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE CENTRAL HIGH
PLAINS...

...THERE IS A MRGL RISK OF SVR TSTMS FROM THE HIGH PLAINS TO THE
NORTHEAST STATES/NEW ENGLAND...

...SUMMARY...
STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE PARTICULARLY ACROSS
PARTS OF THE HIGH PLAINS AND NORTHEAST UNITED STATES ON WEDNESDAY.

...CENTRAL HIGH PLAINS...
WHILE SHORTWAVE RIDGING MAY INITIALLY BE PREVALENT...THE HIGH PLAINS
WILL LIKELY BE AT LEAST SOMEWHAT INFLUENCED LATE IN THE DAY BY WEAK
HEIGHT FALLS VIA AN APPROACHING UPPER TROUGH OVER THE ROCKIES.
UPSLOPE VIA EAST/SOUTHEASTERLY LOW-LEVEL TRAJECTORIES AND
NEAR-FRONTAL CONVERGENCE SHOULD CONTRIBUTE TO AN AFTERNOON/EVENING
INCREASE IN STRONGER THUNDERSTORM DEVELOPMENT INTO A MOIST/UNSTABLE
ENVIRONMENT ACROSS THE REGION ON WEDNESDAY. STORMS SEEM LIKELY TO
PERSIST GENERALLY EASTWARD WEDNESDAY NIGHT WITH AID OF A NOCTURNALLY
STRENGTHENING LOW-LEVEL JET. LARGE HAIL AND POSSIBLY SOME TORNADO
RISK WOULD APPEAR TO BE THE PRIMARY THREATS WEDNESDAY
AFTERNOON/EVENING...ALTHOUGH DAMAGING WINDS MAY BE POSSIBLE AS WELL
PARTICULARLY IF UPSCALE QUASI-LINEAR GROWTH OCCURS WEDNESDAY NIGHT.

...NEW ENGLAND/NORTHEAST STATES...
AT LEAST ISOLATED STRONG TO SEVERE THUNDERSTORMS MAY BE POSSIBLE
WEDNESDAY AFTERNOON/EVENING AS A SHORTWAVE TROUGH/PASSING SPEED MAX
GLANCE THE REGION COINCIDENT WITH A RELATIVELY MOIST LOW-LEVEL AIR
MASS.

..GUYER.. 05/25/2015




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