435
ACUS11 KWNS 011902
SWOMCD
SPC MCD 011902
NJZ000-PAZ000-MDZ000-DEZ000-VAZ000-DCZ000-012100-
MESOSCALE DISCUSSION 1533
NWS STORM PREDICTION CENTER NORMAN OK
0202 PM CDT TUE JUL 01 2025
AREAS AFFECTED...MID-ATLANTIC STATES
CONCERNING...SEVERE THUNDERSTORM WATCH 481...
VALID 011902Z - 012100Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 481
CONTINUES.
SUMMARY...MULTIPLE CLUSTERS SPREADING ACROSS THE PIEDMONT TO COASTAL
PLAIN SHOULD PRODUCE SWATHS OF DAMAGING WINDS AS ACTIVITY REACHES
CHESAPEAKE/DELAWARE BAYS AND THE ADJACENT MID-ATLANTIC COAST.
DISCUSSION...SCATTERED TO WIDESPREAD THUNDERSTORMS ARE ONGOING WITH
MULTIPLE CONSOLIDATING CLUSTERS OVER CENTRAL TO SOUTHEAST PA AND
NORTHERN VA. THE NORTHWESTERNMOST OF THESE HAS MAINTAINED COHERENT
BUT SUB-SEVERE OUTFLOW THAT SHOULD SPELL THE END OF SEVERE POTENTIAL
IN ITS WAKE. WITH POTENTIAL FOR COLD POOL INTENSIFICATION, THIS
CLUSTER MAY ACCELERATE AND MERGE INTO THE LEADING CLUSTERS. THIS
WOULD CONSEQUENTLY INCREASE DAMAGING WIND POTENTIAL ACROSS THE DE TO
CHESAPEAKE BAY VICINITY. LOW TO MID 90S SURFACE TEMPERATURES, AWAY
FROM ANY IMMEDIATE MARINE INFLUENCE, ARE COMMON IN THESE REGIONS,
SUPPORTING PEAK MLCAPE OF 2000-2500 J/KG AHEAD OF THE CLUSTERS.
STRONG TO LOCALIZED SEVERE GUST POTENTIAL IS EXPECTED TO PEAK IN THE
NEXT 2-4 HOURS.
..GRAMS.. 07/01/2025
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...PHI...AKQ...CTP...LWX...
LAT...LON 40477673 40307517 40177397 39757392 38857467 38287506
37917607 37807693 38057820 38397867 38597831 38777757
39457695 39927719 40147729 40477673
MOST PROBABLE PEAK WIND GUST...55-70 MPH
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