Significant severe thunderstorms occurred on September 28 across the region. A strong cold front moved from the Appalachian Mountains to the Mid Atlantic during the afternoon.
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 episode as NWS LWX wrote it up.
Significant severe thunderstorms occurred on September 28 across the region. A strong cold front moved from the Appalachian Mountains to the Mid Atlantic during the afternoon. The cold front reached to along the Chesapeake Bay around midnight. The most intense thunderstorms occurred along the Interstate 95 corridor, with one confirmed F1 tornado in Anne Arundel County, Maryland. Intense thunderstorm winds also occurred across the tidal waters of the Potomac and Chesapeake.
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 Sep 28, 1:30 PM EST, 3 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 230 PM EDT THU SEP 28 2006 .SHORT TERM /TONIGHT-FRIDAY/... SPC HAS BOXED SWRN VA. NEW MESO DSCN JUST RLSD BY SPC HILITES SVR PTNL ESPECIALLY IN I-95 CORRIDOR INTO SE PA. IN OUR CWA FEEL GREATEST THREAT WL BE ACRS VA UP TO THE PTMC RVR AND LOWER SRN MD. AS STATED IN ERLR PRODUCTS FEEL MOST LKLY THREAT IS STRAIGHT LINE WINDS. NOTICED EKN CURRENTLY NW G33KT. SO FNT IS ON ITS WAY...AND XPCTD TO MV E OF THE BAY BTWN 03-06Z. BLV PCPN WL DEGRADE TO A GNRL RA DURG THE NGT TIME HRS...ENDING B4 SUNRISE. BLV SKIES E OF THE MTNS COULD HV A START OF GNRLY CLR...BUT THEN W/ WINDS KICKING UP A BKN SC DECK COULD FORM BY MID MRNG...BRKG UP B4 SUNDOWN. TEMPS M50S TNGT...MU60S FRI. WOODY && .LONG TERM /FRIDAY NGT-THURSDAY/... HIGH PRESSURE WILL REMAIN OVERHEAD FRIDAY NIGHT AND EXIT EAST OF THE REGION SATURDAY AHEAD OF THE NEXT APPROACHING COLD FRONT. WILL CONTINUE TO MENTION AREAS OF FROST FOR LOCATIONS WEST OF THE BLUE RIDGE. CLEARING SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO REACH THE MID TO EVEN A FEW LOWER 30S OVERNIGHT THURSDAY. GIVEN THE TIME OF YEAR AND DISCREPANCIES BETWEEN MOS GUIDANCE...WILL HOLD OFF ON ISSUING A 3RD PERIOD ADVISORY. THIS WILL NEED TO BE MONITORED FOR THE EVENING AND OVERNIGHT SHIFT. AT THE SURFACE...THE LOW AND ASSOCIATED COLD FRONT WILL MOVE SOUTH FROM THE GREAT LAKES SOUTHEAST TO EASTERN PENNSYLVANIA BY SUNDAY NIGHT. SHOWERS ARE EXPECTED TO BEGIN LATE SATURDAY EVENING AND CONTINUE THROUGH SUNDAY AFTERNOON. FOR THE BEGINNING OF THE WORK WEEK...HIGH PRESSURE WILL DRIFT EAST BEFORE DIMINISHING FROM THE NORTH ON WEDNESDAY AHEAD OF THE NEXT FRONTAL SYSTEM. CHANCES FOR SHOWERS WILL RETURN WEDNESDAY AND THURSDAY. AFTER A COOL BEGINNING OF THE FORECAST PERIOD... TEMPERATURES WILL RETURN TO CLIMATE NORMALS. SEA && .AVIATION... CIG/VSBY DEGRADATION THIS EVE IN TSTMS W/ G35 PSBL. WINDS SLACKEN OVRNGT B4 KICKING UP AGN FRI MRNG. CHO MOST KLY TO HV VSBY REDUCTION IN FOG OVRNGT. && .MARINE...SCA IN EFFECT THRU FRI AFTN. && .LWX WATCHES/WARNINGS/ADVISORIES... DC...NONE. MD...NONE. VA...NONE. WV...NONE. MARINE...SMALL CRAFT ADVISORY FOR ANZ530>537 UNTIL 3 PM FRIDAY. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 316 PM EDT THU SEP 28 2006 ANZ530>537-DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021- 025>031-036>042-050>057-WVZ048>055-291015- CHESAPEAKE BAY NORTH OF POOLES ISLAND MD- CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD- CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD- CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD- CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA- TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD- TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD- TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA- DISTRICT OF COLUMBIA-ALLEGANY-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-HIGHLAND- AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE- NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN- ORANGE-CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE-GRANT-MINERAL-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON- PENDLETON-HARDY- 316 PM EDT THU SEP 28 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARYLAND WEST OF THE EASTERN SHORE INCLUDING THE CHESAPEAKE BAY AND EAST OF GARRETT COUNTY...EASTERN WEST VIRGINIA...NORTHERN AND CENTRAL VIRGINIA... WASHINGTON DC AND THE TIDAL POTOMAC RIVER. .DAY ONE...THIS AFTERNOON AND TONIGHT A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM FOR LOCATIONS ALONG AND EAST OF THE BLUE RIDGE. SEVERE THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON AND EVENING THROUGHOUT THE AREA. DAMAGING WINDS AND LARGE HAIL ARE THE MAIN THREAT. A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE TIDAL POTOMAC RIVER AND MARYLAND PORTION OF THE CHESAPEAKE BAY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A SMALL CRAFT ADVISORY REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON ALONG THE TIDAL POTOMAC RIVER AND MARYLAND PORTION OF THE CHESAPEAKE BAY. AREAS OF FROST WILL BE POSSIBLE EARLY SATURDAY MORNING IN THE POTOMAC HIGHLANDS AND CENTRAL SHENANDOAH VALLEY. .SPOTTER INFORMATION STATEMENT... SPOTTERS HAVE BEEN ACTIVATED THROUGH THIS EVENING FOR SEVERE WEATHER OPERATIONS.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 434 PM EDT THU SEP 28 2006 MDZ003-004-009-VAZ031-042-WVZ052-053-282115- BERKELEY WV-CLARKE VA-FREDERICK MD-JEFFERSON WV-LOUDOUN VA- MONTGOMERY MD-WASHINGTON MD- 434 PM EDT THU SEP 28 2006 ...WIND GUST HEADING EAST ACROSS NORTHERN VIRGINIA AND WEST CENTRAL MARYLAND... AT 434 PM EDT...DOPPLER RADAR INDICATED A WIND GUST OF 40 TO 50 MPH WAS HEADING EAST ACROSS EASTERN WEST VIRGINIA... NORTHWESTERN VIRGINIA... AND WESTERN MARYLAND. AT 4:30 THE GUST HAD REACHED BERRYVILLE AND CHARLES TOWN. IT WAS MOVING EAST AT 35 MPH. THE COMMUNITIES OF BARNESVILLE...BOONSBORO...BRADDOCK HEIGHTS... BRUNSWICK...COMUS...DARGAN...DICKERSON...FREDERICK...GAPLAND... GARRETTS MILL...HYATTSTOWN...POOLESVILLE...SANDY HOOK...SHARPSBURG... ASHBURN...BERRYVILLE...GAYLORD...LEESBURG...LOUDOUN HEIGHTS... LOVETTSVILLE...MILLWOOD...PHILOMONT...PURCELLVILLE...ROUND HILL... CHARLES TOWN...KEARNEYSVILLE...MANNINGS...RIPPON AND SHEPHERDSTOWN WILL BE AFFECTED BY THIS GUST THROUGH 515 PM EDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM. STRONG
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 435 PM EDT THU SEP 28 2006 VAZ037-282100- ALBEMARLE VA- 435 PM EDT THU SEP 28 2006 AT 430 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER NORTHERN CHARLOTTESVILLE...MOVING NORTHEAST AT 30 MPH. ANOTHER STRONG STORM WAS LOCATED ABOUT 5 MILES TO THE SOUTHWEST OF THE CITY. WIND GUSTS UP TO 40 MPH AND HEAVY RAIN ARE LIKELY WITH THESE STORMS. RADAR ESTIMATES RAINFALL OF NEARLY ONE INCH HAS FALLEN IN THE CITY AS WELL AS ALONG A LINE FROM COVESVILLE TO CHARLOTTESVILLE TO NEAR BURNLEYS NEAR THE ALBEMARLE-GREENE COUNTY LINE. LOCALIZED PONDING OF WATER IN LOW LYING AREAS IS LIKELY. DO NOT DRIVE ACROSS ROADS COVERED WITH MOVING WATER. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR DISTRICT OF COLUMBIA AND NORTHWESTERN MARYLAND AND NORTHWESTERN VIRGINIA AND THE PANHANDLE OF WEST VIRGINIA. SMZ
SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 443 PM EDT THU SEP 28 2006 VAZ037-282100- ALBEMARLE VA- 435 PM EDT THU SEP 28 2006 ...STRONG THUNDERSTORMS OVER ALBEMARLE COUNTY... AT 430 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER NORTHERN CHARLOTTESVILLE...MOVING NORTHEAST AT 30 MPH. ANOTHER STRONG STORM WAS LOCATED ABOUT 5 MILES TO THE SOUTHWEST OF THE CITY. WIND GUSTS UP TO 40 MPH AND HEAVY RAIN ARE LIKELY WITH THESE STORMS. RADAR ESTIMATES RAINFALL OF NEARLY ONE INCH HAS FALLEN IN THE CITY AS WELL AS ALONG A LINE FROM COVESVILLE TO CHARLOTTESVILLE TO NEAR BURNLEYS NEAR THE ALBEMARLE-GREENE COUNTY LINE. LOCALIZED PONDING OF WATER IN LOW LYING AREAS IS LIKELY. DO NOT DRIVE ACROSS ROADS COVERED WITH MOVING WATER. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR DISTRICT OF COLUMBIA AND NORTHWESTERN MARYLAND AND NORTHWESTERN VIRGINIA AND THE PANHANDLE OF WEST VIRGINIA. SMZ
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 453 PM EDT THU SEP 28 2006 VAZ038-039-050-051-282115- CULPEPER VA-GREENE VA-MADISON VA-ORANGE VA- 453 PM EDT THU SEP 28 2006 ...THUNDERSTORMS TO AFFECT THE REGION THROUGH EARLY EVENING... AT 453 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM CULPEPER AIRPORT TO RAPIDAN IN CULPEPER COUNTY. OTHER STORMS WERE LOCATED IN WESTERN ORANGE COUNTY NEAR BARBOURSVILLE. ALL STORMS ARE MOVING NORTHEAST AT 35 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH ALONG WITH TORRENTIAL RAINFALL OF UP TO ONE INCH IN LESS THAN AN HOUR. PONDING OF WATER ON ROADWAYS AND IN LOW-LYING AREAS IS POSSIBLE NEAR THESE STORMS. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR DISTRICT OF COLUMBIA AND NORTHWESTERN MARYLAND AND NORTHWESTERN VIRGINIA AND THE PANHANDLE OF WEST VIRGINIA. SMZ
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
525 PM EDT THU SEP 28 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0335 PM TSTM WND DMG 9 NNE BORING 39.65N 76.76W
09/28/2006 BALTIMORE MD EMERGENCY MNGR
TREES AND POWERLINES DOWN OVER NORTHERN BALTIMORE COUNTY.
&&
MANNINGSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 526 PM EDT THU SEP 28 2006 MDZ004>006-009>011-282215- CARROLL MD-FREDERICK MD-HOWARD MD-MONTGOMERY MD-NORTHERN BALTIMORE MD- SOUTHERN BALTIMORE MD- 526 PM EDT THU SEP 28 2006 ...WIND GUST HEADING EAST ACROSS NORTH CENTRAL MARYLAND... AT 526 PM EDT...DOPPLER RADAR INDICATED A WIND GUST OF 40 TO 50 MPH WAS HEADING TOWARDS BALTIMORE ACROSS WEST CENTRAL MARYLAND. AT 5:25 THE GUST HAD REACHED FREDERICK. IT WAS MOVING EAST AT 35 MPH. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR DISTRICT OF COLUMBIA AND NORTHWESTERN MARYLAND AND NORTHWESTERN VIRGINIA AND THE PANHANDLE OF WEST VIRGINIA. STRONG
The Sterling radar (KLWX), 41 km away, was scanning. The volume nearest the first event began at 21:29 UTC.
3 thunderstorm wind. Local standard time, as filed.
Trees down at intersection of Davis Ford and Mockingbird Roads. Trees also down on Hoadley Road.
Trees down.
Trees down in Franconia, Burke, and Annandale, with some property damage to homes.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Virginia in 2006Every state in 2006This day in weather historyWarnings in Virginia, September 2006
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: 5534268, 5534269, 5534306.