593
ACUS01 KWNS 201947
SWODY1
SPC AC 201946
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0246 PM CDT MON APR 20 2026
VALID 202000Z - 211200Z
..NO SEVERE THUNDERSTORM AREAS FORECAST
..SUMMARY
SEVERE STORMS ARE NOT EXPECTED TODAY.
..20Z UPDATE
THE TSTM AREA OVER THE COAST OF SOUTHERN NEW ENGLAND AND THE
MID-ATLANTIC WAS REMOVED, AS LARGE-SCALE FORCING FOR ASCENT AND
RELATED THUNDERSTORM ACTIVITY HAS SHIFTED OFFSHORE. ELSEWHERE, THE
PREVIOUS FORECAST REMAINS ON TRACK.
..WEINMAN.. 04/20/2026
PREV DISCUSSION
/ISSUED 1052 AM CDT MON APR 20 2026/
..SYNOPSIS
AN UPPER IMPULSE WILL CONTINUE TO POSE A RISK OF SCATTERED
THUNDERSTORMS OVER PARTS OF NM AND SOUTH/WEST TX THROUGH THE
AFTERNOON, WITH ACTIVITY SPREADING INTO NORTH-CENTRAL TX LATE
TONIGHT.
OTHER THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING OVER
SOUTH FL IN A MOIST AND MARGINALLY UNSTABLE AIR MASS, ALONG THE
COAST OF SOUTHERN NEW ENGLAND, AND OVER PORTIONS OF OR/WA. IN ALL
AREAS, WEAK INSTABILITY WILL PRECLUDE THE RISK OF ORGANIZED SEVERE
STORMS.
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