158
ACUS11 KWNS 150126
SWOMCD
SPC MCD 150125
NJZ000-NYZ000-PAZ000-MDZ000-DEZ000-150330-
MESOSCALE DISCUSSION 1147
NWS STORM PREDICTION CENTER NORMAN OK
0825 PM CDT SUN JUN 14 2026
AREAS AFFECTED...PARTS OF THE MID ATLANTIC
CONCERNING...SEVERE THUNDERSTORM WATCH 335...337...
VALID 150125Z - 150330Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 335, 337
CONTINUES.
SUMMARY...A THREAT FOR STRONG TO LOCALLY SEVERE STORMS WILL CONTINUE
INTO LATE EVENING. DAMAGING WIND, ISOLATED HAIL, AND A BRIEF TORNADO
ALL REMAIN POSSIBLE.
DISCUSSION...AN INCREASE IN SEMI-DISCRETE STORMS HAS RECENTLY BEEN
NOTED FROM SOUTHEAST PA INTO MD AND NORTHERN VA, WITH A SUPERCELL
ONGOING AS OF 0115Z SOUTH OF LANCASTER, PA. THE 00Z IAD SOUNDING
DEPICTED 45 KT OF EFFECTIVE SHEAR AND MLCAPE IN EXCESS OF 1000 J/KG,
WHICH WILL CONTINUE TO SUPPORT SUPERCELL POTENTIAL WITH THE
STRONGEST STORMS THROUGH THE EVENING. DAMAGING WIND, ISOLATED HAIL,
AND PERHAPS A BRIEF TORNADO COULD ACCOMPANY ANY SUSTAINED SUPERCELL.
THIS DEVELOPING CLUSTER OF STORMS MAY EVENTUALLY SPREAD INTO PARTS
OF DE AND NJ WITH A CONTINUED SEVERE RISK.
FARTHER WEST, A LINE OF STORMS ASSOCIATED WITH A COLD FRONT IS
MOVING EASTWARD ACROSS CENTRAL PA, WITH OCCASIONAL WIND-DAMAGE
REPORTS AND OBSERVED GUSTS OF GENERALLY 50-60 MPH. THIS LINE MAY
CONTINUE TO POSE A THREAT OF WIND DAMAGE IN THE SHORT TERM AS IT
MOVES EASTWARD, THOUGH SOME CONTINUED WEAKENING IS EXPECTED WITH
TIME LATER THROUGH THE EVENING.
..DEAN.. 06/15/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...OKX...ALY...PHI...BGM...AKQ...CTP...LWX...
LAT...LON 40687422 38097549 38657612 39047701 39727785 40097764
40507742 40827714 41397672 42117596 42107531 42127468
41617425 40687422
MOST PROBABLE PEAK TORNADO INTENSITY...85-110 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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