336
NWUS51 KLWX 201849
LSRLWX
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
249 PM EDT MON APR 20 2026
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0700 AM SNOW BAYARD 39.27N 79.37W
04/20/2026 M0.3 INCH GRANT WV CO-OP OBSERVER
24-HOUR SNOWFALL.
0700 AM SNOW FROSTBURG 39.66N 78.94W
04/20/2026 M0.2 INCH ALLEGANY MD CO-OP OBSERVER
24-HOUR SNOWFALL.
0800 AM SNOW FROSTBURG 39.66N 78.93W
04/20/2026 E0.1 INCH ALLEGANY MD TRAINED SPOTTER
0813 AM SNOW 3 NW FRIENDSVILLE 39.69N 79.45W
04/20/2026 M0.5 INCH GARRETT MD TRAINED SPOTTER
0930 AM SNOW 4 WNW MOUNT SAVAGE 39.71N 78.95W
04/20/2026 E0.2 INCH GARRETT MD TRAINED SPOTTER
1059 AM MARINE TSTM WIND REAGAN NATIONAL ARPT 38.85N 77.03W
04/20/2026 M47 MPH ARLINGTON VA ASOS
A WIND GUST OF 41 KNOTS (47 MPH) WAS MEASURED BY THE
ASOS AT RONALD REAGAN WASHINGTON NATIONAL AIRPORT (KDCA)
ADJACENT TO THE TIDAL POTOMAC RIVER.
1059 AM MARINE TSTM WIND 1 SSE THE MALL 38.88N 77.02W
04/20/2026 E39 MPH DISTRICT OF COLUMB DC MESONET
A SQUALL PRODUCED AN ESTIMATED WIND GUST TO 34 KNOTS
(39 MPH) NEAR A PERSONAL WEATHER STATION (KDCWASHI502)
ADJACENT TO THE TIDAL POTOMAC RIVER.
1109 AM MARINE TSTM WIND 3 NW INDIAN HEAD 38.63N 77.20W
04/20/2026 E39 MPH FAIRFAX VA MESONET
A SQUALL PRODUCED ESTIMATED WIND GUSTS TO 34 KNOTS (39
MPH) NEAR A PERSONAL WEATHER STATION (KVALORTO40)
ADJACENT TO THE TIDAL POTOMAC RIVER BETWEEN 11:09 AND
11:34 AM.
1112 AM MARINE TSTM WIND 2 E WOODBRIDGE 38.64N 77.22W
04/20/2026 M40 MPH ANZ536 VA MESONET
WIND GUSTS OF UP TO 35 KNOTS (40 MPH) WERE MEASURED BY
THE OCCOQUAN RIVER WEATHERFLOW SENSOR (XOCC) BETWEEN
11:12 AND 11:27 AM.
1130 AM MARINE TSTM WIND QUANTICO MARINE CORP 38.51N 77.30W
04/20/2026 E39 MPH PRINCE WILLIAM VA AWOS
A SQUALL PRODUCED AN ESTIMATED WIND GUST TO 34 KNOTS
(39 MPH) NEAR THE AWOS AT QUANTICO MARINE BASE (KNYG)
ADJACENT TO THE TIDAL POTOMAC RIVER.
1153 AM MARINE TSTM WIND 3 ESE DAHLGREN 38.31N 77.00W
04/20/2026 E39 MPH ANZ536 VA MESONET
A SQUALL PRODUCED ESTIMATED WIND GUSTS TO 34 KNOTS (39
MPH) NEAR THE PYLONS DAHLGREN WEATHERFLOW SENSOR (XPYL)
BETWEEN 11:53 AM AND 12:03 PM.
1154 AM MARINE TSTM WIND 3 NE BERTHAVILLE 38.37N 77.09W
04/20/2026 E39 MPH ANZ536 VA MESONET
A SQUALL PRODUCED ESTIMATED WIND GUSTS TO 34 KNOTS (39
MPH) NEAR A PERSONAL WEATHER STATION (KVAKINGG134)
ADJACENT TO THE TIDAL POTOMAC RIVER BETWEEN 11:54 AND
11:59 AM.
1154 AM MARINE TSTM WIND 4 E NINDE 38.27N 76.98W
04/20/2026 E39 MPH ANZ536 VA MESONET
A SQUALL PRODUCED AN ESTIMATED WIND GUST TO 34 KNOTS
(39 MPH) NEAR A PERSONAL WEATHER STATION (KVACOLON61)
ADJACENT TO THE TIDAL POTOMAC RIVER.
1156 AM MARINE TSTM WIND 2 NNE NORTH BEACH 38.73N 76.53W
04/20/2026 E39 MPH ANZ532 MD MESONET
A SQUALL PRODUCED ESTIMATED WIND GUSTS TO 34 KNOTS (39
MPH) NEAR THE HERRING BAY WEATHERFLOW SENSOR (XHEB)
BETWEEN 11:56 AM AND 12:01 PM.
1200 PM SNOW 4 E ACCIDENT 39.62N 79.25W
04/20/2026 M1.0 INCH GARRETT MD PUBLIC
1202 PM MARINE TSTM WIND 2 SE DAHLGREN 38.31N 77.03W
04/20/2026 E39 MPH ANZ536 VA MESONET
A SQUALL PRODUCED ESTIMATED WIND GUSTS TO 34 KNOTS (39
MPH) NEAR THE BABER POINT WEATHERFLOW SENSOR (XBAB)
BETWEEN 12:02 AND 12:07 PM.
1202 PM MARINE TSTM WIND 3 ENE DAHLGREN 38.34N 76.99W
04/20/2026 E39 MPH ANZ536 VA MESONET
A SQUALL PRODUCED ESTIMATED WIND GUSTS TO 34 KNOTS (39
MPH) NEAR THE POTOMAC LIGHT WEATHERFLOW SENSOR (XP33)
BETWEEN 12:02 AND 12:17 PM.
1209 PM MARINE TSTM WIND 2 NE SHADY SIDE 38.85N 76.50W
04/20/2026 E39 MPH ANNE ARUNDEL MD MESONET
A SQUALL PRODUCED ESTIMATED WIND GUSTS TO 34 KNOTS (39
MPH) NEAR A PERSONAL WEATHER STATION (KMDSHADY19)
ADJACENT TO THE CHESAPEAKE BAY BETWEEN 12:09 AND 12:14
PM.
1213 PM MARINE TSTM WIND SWAN POINT 38.30N 76.94W
04/20/2026 E39 MPH ANZ536 MD MESONET
A SQUALL PRODUCED AN ESTIMATED WIND GUST TO 34 KNOTS
(39 MPH) NEAR THE CUCKOLD CREEK WEATHERFLOW SENSOR
(XCCK).
1214 PM MARINE TSTM WIND 4 S TOMPKINSVILLE 38.27N 76.88W
04/20/2026 E39 MPH ANZ536 MD MESONET
A SQUALL PRODUCED AN ESTIMATED WIND GUST TO 34 KNOTS
(39 MPH) NEAR A PERSONAL WEATHER STATION (KMDISSUE4)
ADJACENT TO THE TIDAL POTOMAC RIVER.
1214 PM MARINE TSTM WIND 10 ENE PLUM POINT 38.68N 76.33W
04/20/2026 M41 MPH ANZ541 MD MESONET
WIND GUSTS OF UP TO 36 KNOTS (41 MPH) WERE MEASURED BY
THE BLACKWALNUT HARBOR WEATHERFLOW SENSOR (XBWH) BETWEEN
12:14 AND 12:34 PM.
1214 PM MARINE TSTM WIND 9 ENE NORTH BEACH 38.76N 76.38W
04/20/2026 M39 MPH ANZ532 MD MESONET
WIND GUSTS OF UP TO 34 KNOTS (39 MPH) WERE MEASURED BY
A PERSONAL WEATHER STATION (KMDMARYL25) ADJACENT TO THE
CHESAPEAKE BAY BETWEEN 12:14 AND 12:34 PM.
1214 PM MARINE TSTM WIND 10 E NORTH BEACH 38.71N 76.34W
04/20/2026 M39 MPH ANZ533 MD MESONET
A WIND GUST OF 34 KNOTS (39 MPH) WAS MEASURED BY A
PERSONAL WEATHER STATION (KMDTILGH19) ADJACENT TO THE
CHESAPEAKE BAY.
1217 PM MARINE TSTM WIND 5 S SWAN POINT 38.23N 76.95W
04/20/2026 E39 MPH ANZ536 VA MESONET
A SQUALL PRODUCED ESTIMATED WIND GUSTS TO 34 KNOTS (39
MPH) NEAR THE MONROE CREEK WEATHERFLOW SENSOR (XMON)
BETWEEN 12:17 AND 12:27 PM.
1230 PM MARINE TSTM WIND 7 SE HIGHLAND BEACH 38.87N 76.37W
04/20/2026 M46 MPH ANZ532 MD MESONET
WIND GUSTS OF UP TO 40 KNOTS (46 MPH) WERE MEASURED BY
A TEMPEST STATION ON BEACH SIDE DRIVE ADJACENT TO THE
CHESAPEAKE BAY BETWEEN 12:30 AND 12:35 PM.
1242 PM MARINE TSTM WIND 7 SE HIGHLAND BEACH 38.87N 76.37W
04/20/2026 E39 MPH ANZ532 MD MESONET
A SQUALL PRODUCED ESTIMATED WIND GUSTS TO 34 KNOTS (39
MPH) NEAR A PERSONAL WEATHER STATION (KMDSTEVE76)
ADJACENT TO THE CHESAPEAKE BAY BETWEEN 11:54 AM AND
12:24 PM.
EVENT NUMBER LWX2606308 LWX2606309 LWX2606297 LWX2606296 LWX2606298
LWX2606299 LWX2606300 LWX2606302 LWX2606301 LWX2606303 LWX2606310
LWX2606306 LWX2606307 LWX2606311 LWX2606304 LWX2606312 LWX2606313
LWX2606317 LWX2606314 LWX2606305 LWX2606316 LWX2606318 LWX2606319
LWX2606315 LWX2606320 LWX2606321
DH
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