135
ACUS11 KWNS 040357
SWOMCD
SPC MCD 040356
MDZ000-DCZ000-VAZ000-040500-
MESOSCALE DISCUSSION 2227
NWS STORM PREDICTION CENTER NORMAN OK
1056 PM CDT THU SEP 03 2026
AREAS AFFECTED...NORTHERN VIRGINIA AND CENTRAL MARYLAND
CONCERNING...SEVERE THUNDERSTORM WATCH 652...
VALID 040356Z - 040500Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 652
CONTINUES.
SUMMARY...DAMAGING WIND THREAT IS INCREASING FOR THE GREATER
WASHINGTON D.C. AREA.
DISCUSSION...RAPID THUNDERSTORM DEVELOPMENT OCCURRED LATE THIS
EVENING IN THE VICINITY OF WASHINGTON D.C. HERE, WARM-AIR ADVECTION
THUNDERSTORMS COMBINED WITH INCREASING CONVERGENCE FROM AN OUTFLOW
BOUNDARY FROM AN EARLIER STORM. THE RESULT HAS BEEN A RAPID INCREASE
IN HYDROMETEORS ALOFT, WHICH WILL SUPPORT HEAVY WATER LOADED
DOWNDRAFTS/DOWNBURSTS CAPABLE OF WIND DAMAGE ACROSS THE GREATER
WASHINGTON D.C. AREA. AT 0348Z WASHINGTON NATIONAL AIRPORT MEASURED
A 64 MPH WIND GUST. THIS THREAT WILL CONTINUE TO MOVE EAST OVER THE
NEXT HOUR.
..MARSH.. 09/04/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...PHI...LWX...
LAT...LON 39067724 39157691 39117648 38947629 38777634 38617657
38647704 38767728 39067724
MOST PROBABLE PEAK WIND GUST...55-70 MPH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page