1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
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 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 May 15, 3:00 PM EST, 2 hours 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 300 PM EST SAT MAY 15 2004 .SHORT TERM...TNGT/SUN... PATTERN CHG IS COMING VERY SLOWLY...AS CD FNT HAS CRAWLED SWD ACRSS WRN PA TDA. XPCTG CELLS TO POP UP IN CWA AHEAD OF THE BNDRY THROUGHOUT THE EVE. WHILE PCPN IN GRIDDS GOES DOWN AS TRW...SUSPECT AFTR MDNGT VERY LTL T WL BE LEFT AS THE LINE MVS INTO THE NW SXN OF THE CWA. FNT WONT MV DOWN INTO DCA UNTIL ERLY SUN MRNG. XPCTG A M CLDY DAY SUN W/ SCT RW/TRW ACROSS MUCH OF THE AREA...TAPERING OFF IN THE N BY LATE AFTN AS THE FNT SINKS ACRS CENTRAL VA. WOODY && LONG TERM (SUN NIGHT-SAT) MON-TUE...WEAK CDFNT STALLS OVER THE AREA SUN NIGHT THEN WASHES OUT MON AFTERNOON. ENOUGH DRY WILL WORK IN BEHIND THIS FRONT TO LIMIT POPS TO THE FAR SW CORNER CWA MON. COVERAGE SHOULD ALSO BE LIMITED TO REMOVE MENTION OF POPS FROM TEXT PRODUCTS. REGION BACK IN WARM JUICY UNSTABLE AIR TUE WITH ISOLD-WDLY SCT LATE AFTERNOON AND EVENING CONVECTION. WITH NO BDRIES TO FOCUS CONVECTION KEPT POPS BLO MENTIONABLE CRITERIA. ANOTHER FRONT EXPECTED TO STALL ACROSS NRN MD WED. WRN PORTION OF THIS FRONT WILL STALL ACROSS THE MIDWEST AND OH VALLEY AND BE FOCUS FOR NOCTURNAL MCS ACTIVITY WHICH COULD ROLL ACROSS THE NRN MID-ATL WED AS SUGEGSTED BY BOTH 12Z ETA/GFS. IT APPEARS AS THIS WILL BE OUR BEST DAY FOR SOMEWHAT MORE ORGANIZED CONVECTION ESPECIALLY IS FRONT GETS AS FAR SOUTH AS 12Z GFS INDICATES. REST OF EXTENDED...SUMMER PATTERN TO CONTINUE WITH POLAR JET REMAINING OVER THE NRN TIER STATES AND SRN CANADA WITH TEMPS AOA NORMAL AND ISOLD-WDLY SCT DIURNAL CONVECTION. KEPT POPS BLO MENTIONABLE CRITERIA THU-SAT AND MAINLY DURING LATE AFTERNOON-EVENING TIME FRAME. ROSA .LWX WATCHES/WARNINGS/ADVISORIES... DC...NONE. MD...NONE. VA...NONE. WV...NONE. MARINE...NONE. &&
DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042- 050>057-WVZ048>055-010000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1122 AM EDT SAT MAY 15 2004 DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042- 050>057-WVZ048>055-160800- ALBEMARLE VA-ALLEGANY MD-ANNE ARUNDEL MD- ARLINGTON/FALLS CHURCH/ALEXANDRIA VA-AUGUSTA VA-BERKELEY WV- CALVERT MD-CARROLL MD-CHARLES MD-CLARKE VA-CULPEPER VA- DISTRICT OF COLUMBIA DC-FAIRFAX VA-FAUQUIER VA-FREDERICK VA- FREDERICK MD-GRANT WV-GREENE VA-HAMPSHIRE WV-HARDY WV-HARFORD MD- HIGHLAND VA-HOWARD MD-JEFFERSON WV-KING GEORGE VA-LOUDOUN VA- MADISON VA-MINERAL WV-MONTGOMERY MD-MORGAN WV-NELSON VA- NORTHERN BALTIMORE MD-ORANGE VA-PAGE VA-PENDLETON WV- PRINCE GEORGES MD-PRINCE WILLIAM/MANASSAS/MANASSAS PARK VA- RAPPAHANNOCK VA-ROCKINGHAM VA-SHENANDOAH VA-SOUTHERN BALTIMORE MD- SPOTSYLVANIA VA-ST. MARYS MD-STAFFORD VA-WARREN VA-WASHINGTON MD- 1122 AM EDT SAT MAY 15 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARYLAND WEST OF THE CHESAPEAKE BAY AND EAST OF GARRETT COUNTY...EASTERN WEST VIRGINIA...NORTHERN AND CENTRAL VIRGINIA AND WASHINGTON DC. .DAY ONE... SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND EVENING AHEAD OF A COLD FRONT. THUNDERSTORMS WILL BE MOST NUMEROUS IN THE POTOMAC HIGHLANDS...NORTHERN SHENANDOAH VALLEY...AND NORTH CENTRAL MARYLAND. THE FOCUS WILL SHIFT INTO THE WASHINGTON AND BALTIMORE WESTERN SUBURBS TOWARD EVENING. HEAVY RAINFALL WILL BE THE GREATEST THREAT. HOWEVER...A FEW STORMS WILL BE STRONG TO MARGINALLY SEVERE...PRODUCING HAIL AND STRONG WIND GUSTS. .DAYS TWO THROUGH SEVEN... SCATTERED THUNDERSTORMS WILL CONTINUE EACH DAY...ESPECIALLY IN THE AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... SKYWARN ACTIVATION IS NOT ANTICIPATED AT THIS TIME...HOWEVER IT MAY BECOME NECESSARY LATER TODAY IF STORMS ARE ABLE TO BECOME ORGANIZED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 307 PM EDT SAT MAY 15 2004 MDZ003-WVZ052-053-152006- BERKELEY WV-JEFFERSON WV-WASHINGTON MD- 307 PM EDT SAT MAY 15 2004 A THUNDERSTORM HAS DEVELOPED ON THE BERKELEY JEFFERSON COUNTY LINE IN WEST VIRGINIA THAT IS INTENSIFY RATHER RAPIDLY. THIS THUNDERSTORM WILL PRODUCE LOCALLY HEAVY RAIN....GUSTY WINDS AND POSSIBLE SOME SMALL HAIL HAS IT MOVES INTO WASHINGTON COUNTY MARYLAND DURING THE NEXT HOUR. MOTORIST ARE URGED TO USE CAUTION AS THIS STORM MOVES TOWARD THE NORTHEAST AT 25 MPH. DICARLO
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 311 PM EDT SAT MAY 15 2004 MDZ003-WVZ052-053-152006- BERKELEY WV-JEFFERSON WV-WASHINGTON MD- 311 PM EDT SAT MAY 15 2004 A THUNDERSTORM HAS DEVELOPED ON THE BERKELEY JEFFERSON COUNTY LINE IN WEST VIRGINIA THAT IS INTENSIFY RATHER RAPIDLY. THIS THUNDERSTORM WILL PRODUCE LOCALLY HEAVY RAIN....GUSTY WINDS AND POSSIBLE SMALL HAIL HAS IT MOVES INTO WASHINGTON COUNTY MARYLAND DURING THE NEXT HOUR. MOTORIST ARE URGED TO USE CAUTION AS THIS STORM MOVES TOWARD THE NORTHEAST AT 25 MPH. DICARLO
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 419 PM EDT SAT MAY 15 2004 MDZ003-004-152318- FREDERICK MD-WASHINGTON MD- 419 PM EDT SAT MAY 15 2004 A STRONG THUNDERSTORM IS DEVELOPING IN SOUTHERN WASHINGTON COUNTY AND WILL MOVE INTO FREDERICK COUNTY DURING THE NEXT HOUR. THIS STORM WILL PRODUCE LOCALLY HEAVY RAIN...STRONG GUSTY WINDS...LIGHTNING AND POSSIBLY SMALL HAIL AS IS MOVES NORTHEAST AT ABOUT 25 MPH. DICARLO
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 628 PM EDT SAT MAY 15 2004 MDZ003-VAZ025>031-WVZ050>053-055-160027- AUGUSTA VA-BERKELEY WV-CLARKE VA-FREDERICK VA-HAMPSHIRE WV-HARDY WV- JEFFERSON WV-MORGAN WV-PAGE VA-ROCKINGHAM VA-SHENANDOAH VA-WARREN VA- WASHINGTON MD- 628 PM EDT SAT MAY 15 2004 THE LINE OF THUNDERSTORMS MOVING INTO NORTHERN VIRGINIA CONTINUE TO INCREASE IN INTENSITY. WIND GUSTS OF 45 MPH HAVE BEEN REPORTED WITH HEAVIER THUNDERSTORMS IN THIS LINE. RAINFALL AMOUNTS HAVE BEEN GENERALLY ABOUT ONE HALF INCH HOWEVER UP TO AN INCH CAN BE EXPECTED IN LOCALLY HEAVIER ACTIVITY. RESIDENTS ALONG THE INTERSTATE 81 CORRIDOR SHOULD MONITOR THESE STORMS AS THEY MOVE THROUGH THE AREA DURING THE NEXT TWO HOURS. DICARLO
The Sterling radar (KLWX), 82 km away, was scanning. The volume nearest the first event began at 22:53 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees were reported down in Johnstown and at many other locations across Berkeley County.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in West Virginia in 2004Every state in 2004This day in weather historyWarnings in West Virginia, May 2004
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: 5397500.