A thunderstorm with high winds moved through South Central Maryland during the afternoon of the 27th. In Prince George's County, a tree and wires were downed in Oxon Hill.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LWX wrote it up.
A thunderstorm with high winds moved through South Central Maryland during the afternoon of the 27th. In Prince George's County, a tree and wires were downed in Oxon Hill. A tree was blown across a telephone cable in Bowie. In Charles County, trees and power lines were downed between White Plains and Waldorf. In Calvert County, trees were downed in Owings. Pea sized hail was reported in Owings and Dunkirk.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before the first event at Jun 27, 10:00 AM EST, 4 hours 13 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1100 AM EDT FRI JUN 27 2003 WATER VAPOR SHOWS BLOCKING PATTERN OVER THE NORTHEAST CONUS. AN UPPER LOW OVER THE ATLANTIC (40N60W) IS SLOWLY RETROGRADING NORTHWEST. AS A RESULT...THE UPPER RIDGE OVER THE EAST COAST IS HOLDING STRONG...SLOWING THE PROGRESSION OF THE NEXT SYSTEM. VORTICITY CENTER SEEN NORTH OF LAKE SUPERIOR...WITH VORT AXIS (AND CLEARING LINE) EXTENDING SOUTHWARD INTO WESTERN OHIO AND CENTRAL KENTUCKY. AT THE SURFACE...PINNING THE EXACT LOCATION OF THE FRONT IS TOUGH USING THE OBSERVATIONS DUE TO TERRAIN...BUT VISIBLE SATELLITE SHOWS BKN050 (PROBABLY THE LEADING EDGE OF THE BOUNDARY) EXTENDS FROM NEAR SCRANTON PA SOUTH TO HARRISBURG...HAGERSTOWN...AND WEST OF CHARLOTTESVILLE. MIDLEVEL RIDGE WILL SLOW THE PROGRESSION OF THE MID AND UPPER LEVEL CLOUDS EASTWARD...EXPECTING THEM TO ARRIVE OVERNIGHT AROUND THE METRO AREA...BUT THINK SCT TO BKN CU TO FORM BEHIND FRONT...WITH THE FRONT SLOWLY PROGRESSING EAST DURING THE DAY. EXPECT A FEW SHOWERS AND THUNDERSTORMS TO FORM ON BOUNDARY DURING THE DAY...AS MODIFIED (89/67) 12Z IAD SOUNDING SHOWS SLIGHT TO MODERATE UNSTABLE AIRMASS WILL FORM SOUTH AND EAST OF THE FRONT. ANAFRONTAL STRUCTURE WILL ALLOW FOR SOME SHOWERS AND PERHAPS A RUMBLE OF THUNDER ACROSS THE MOUNTAINS THIS AFTERNOON. MESOETA AND NGM SHOW MODERATELY STRONG MOISTURE CONVERGENCE FORMING ACROSS SOUTHERN PORTION OF CWA THIS AFTERNOON. WILL HOLD OFF ON A 40 POP ACROSS THE SOUTH BASED ON NORTHWEST DOWNSLOPE FLOW. CURRENT FORECAST ON TRACK...THEREFORE NO UPDATE PLANNED AT THIS TIME. THANKS FOR COORD RNK ROGOWSKI .LWX... DC...NONE. MD...NONE. VA...NONE. WV...NONE.
DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042- 050>057-WVZ048>055-281000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1115 AM EDT FRI JUN 27 2003 .DAY ONE...TODAY THERE IS A CHANCE OF THUNDERSTORMS ACROSS THE AREA TODAY. HOWEVER THESE ARE EXPECTED TO REMAIN BELOW SEVERE LEVELS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. ROGOWSKI
VAZ041-051-271830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 126 PM EDT FRI JUN 27 2003 AT 126 PM EDT...DOPPLER RADAR INDICATED A PARTICULARLY STRONG THUNDERSTORM WITHIN A LINE OF THUNDERSTORMS...CURRENTLY OVER ALANTHUS...MOVING EAST AT 15 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING DIME SIZE HAIL AND WIND GUSTS TO 50 MPH. THE COMMUNITY OF BEALETON...AND PORTIONS OF EAST CENTRAL CULPEPER...AND SOUTHERN FAUQUIER COUNTIES WILL BE AFFECTED BY THIS STORM THROUGH 230 PM EDT. ROGOWSKI
VAZ055-271915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 211 PM EDT FRI JUN 27 2003 ...STRONG STORM APPROACHING STAFFORD COUNTY... AT 211 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES NORTHWEST OF HEFLIN...MOVING EAST AT 20 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 50 MPH. THIS STORM HAS WEAKENED SLIGHTLY IN THE LAST 10 MINUTES...AND IS NOT EXPECTED TO PRODUCE SEVERE WEATHER AT THE MOMENT. STAFFORD WILL BE AFFECTED BY THIS STORM THROUGH 315 PM EDT. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED IF THE STORM STRENGTHENS. MANNING
VAZ053-271915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 221 PM EDT FRI JUN 27 2003 ...STRONG THUNDERSTORM IN EASTERN FAIRFAX COUNTY... AT 221 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 2 MILES SOUTH OF FORT BELVOIR...MOVING NORTHEAST AT 15 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 50 MPH. THE WOODROW WILSON BRIDGE...FORT BELVOIR...FRANCONIA...HYBLA VALLEY AND MOUNT VERNON WILL BE AFFECTED BY THIS STORM THROUGH 315 PM EDT. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. MANNING
The Sterling radar (KLWX), 62 km away, was scanning. The volume nearest the first event began at 19:12 UTC.
4 thunderstorm wind. Local standard time, as filed.
Trees and power lines were downed between White Plains and Waldorf.
Wires and trees were downed.
A tree was downed onto a telephone cable. The time was estimated.
Trees were downed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maryland in 2003Every state in 2003This day in weather historyWarnings in Maryland, June 2003
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5370426, 5370427, 5370428, 5370429.