A potent storm system crossed the region May 12th. Warm and moist air filtered in ahead of the system, bringing widespread showers and thunderstorms with heavy rain.
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.
A potent storm system crossed the region May 12th. Warm and moist air filtered in ahead of the system, bringing widespread showers and thunderstorms with heavy rain. Heavy rain began to overspread the region during the evening of the 11th and continued through the morning of the 12th. Several streets were flooded and closed during through the following morning in the Martinsburg area.
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 12, 2:56 AM EST, 1 hour 4 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
356 AM EDT MON MAY 12 2008
.SYNOPSIS...
A DEEP LOW PRESSURE SYSTEM WILL SLOWLY MOVE OUT OF THE MID ATLANTIC
REGION THROUGH TUESDAY. HIGH PRESSURE WILL BUILD IN FOR WEDNESDAY
WITH A WEAK COLD FRONT MOVING ACROSS THE REGION EARLY THURSDAY. WEAK
AREAS OF LOW PRESSURE WILL KEEP PRECIPITATION IN THE AREA THROUGH
THE END OF THE WEEK...WITH A STRONGER UPPER LEVEL LOW PRESSURE AREA
AFFECTING THE REGION DURING THE WEEKEND.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
UPPER LOW IS CURRENTLY MOVING EAST OVER SOUTHEAST VIRGINIA. AT THE
SURFACE...STRONG LOW PRESSURE IS SITUATED OVER THE MIDDLE CHESAPEAKE
BAY. REGIONAL RADAR LOOP STILL SHOWS A LARGE AREA OF MODERATE
PRECIPITATION AFFECTING AREAS EAST OF THE BLUE RIDGE. MOST AREAS
WEST OF THE BLUE RIDGE ARE LOCATED WITHIN THE DRY SLOT.
THE SURFACE LOW AND THE UPPER LOW WILL BOTH CONTINUE TO MOVE OFF THE
COAST TODAY. PRECIPITATION WILL CONTINUE ON THE BACKSIDE OF THE
SURFACE LOW THROUGH MUCH OF TODAY...HOWEVER THE INTENSITY/COVERAGE
WILL DECREASE TOWARDS THE AFTERNOON. AN ADDITIONAL INCH OF RAINFALL
IS POSSIBLE OVER THE NORTHEAST PORTION OF THE CWFA THROUGH TODAY.
WILL CONTINUE THE FLOOD WATCH HEADLINE AS IS FOR TODAY.
THE ONLY HEADLINE THAT WILL BE DROPPED FOR THE MORNING ISSUANCE WILL
BE THE WIND ADVISORY FOR THE WESTERN SHORE OF THE CHESAPEAKE BAY.
WIND GUSTS HAVE DIMINISHED...AND THE GUSTINESS WITHIN THE SHOWERS
HAD ALSO DECREASED. JUST ONE NOTE...WIND GUSTS TO 20 TO 30 MPH WILL
PERSIST THIS MORNING. WITH THE SOILS VERY SATURATED...DOWNED TREES
AND POWERLINES WILL CONTINUE TO BE LIKELY.
NO CHANGES TO THE FLOOD WATCH WILL BE MADE FOR THIS PACKAGE.
OPTED TO GO WITH THE COOLER MAV GUIDANCE FOR THE HIGH TEMPS TODAY.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH 6 AM TUESDAY/...
CONDITIONS WILL IMPROVE THIS EVENING AS THE UPPER AND SURFACE LOW
PRESSURE SYSTEMS MOVE OUT OVER THE WESTERN ATLANTIC. HIGH PRESSURE
WILL BEGIN TO BUILD IN FROM THE WEST.
&&
.LONG TERM /TUESDAY THROUGH SUNDAY/...
A STEADY N/RLY WIND WILL GENERALLY SUBSIDE DRNG THE DAY ON TUES
AFTN. THE OFFSHORE LOW PRESSURE SYSTEM WILL GRDLY WEAKEN AS IT MOVES
E/WRD...AFTER GIVING OFF MUCH OFF IT/S ENERGY ACROSS THE MID ATLNC
THE LOW WILL LOSE THE TIGHT UPPER LEVEL ADVECTION PATTERN AND THE
PRES GRAD SLACKENS. FROM LATE TUES THRU LATE WED...THE MID ATLNC
REGION WILL BE UNDER HIGH PRES INFLUENCE...A WEAK RIDGE ACROSS THE
ERN SEABOARD. THE RIDGE AXIS WILL BUILD JUST LONG ENOUGH TO PUSH
RELATIVELY WARMER S/RLY AIR INTO THE REGION WED AFTN. A SFC LOW
ACROSS THE UPPER MIDWEST SLIDES NE/WRD EARLY WED...DRAGGING A WEAK
COLD FRONT ACROSS THE GREAT LAKES REGION DRNG THE AFTN HRS. BY WED
EVNG...THE FRONT PUSHES INTO THE N CNTRL APLCHN REGION...W/ A
GENERAL DISSIPATING OF THE SRN END AS IT SLIDES ACROSS THE HIGHER
ELVNS. LITTLE MORE THAN GENERAL LIGHT/MOD SHRA ACTIVITY EXPTD ACROSS
THE AREA WED INTO THE OVERNIGHT HRS. ZONAL FLOW WILL STABILIZE THE
MID ATLNC BTWN THE EXITING LOW ACROSS THE SRN HUDSON BAY REGION...
AND STRONG MCS-DRIVEN LOW PRESSURE AREA OVER THE DEEP SOUTH
OVERNIGHT WED INTO EARLY THURS. GFS/ECMWF IN AGREEMENT ON A
SUBSEQUENT VISIT FROM THE NRN PRECIP EDGE OF THE SOUTHEAST LOW AS
IT SLIDES OFF THE CAROLINA COAST. THE NEXT FEATURE TO MONITOR WILL
BE CUT-OFF LOW PUSHING DOWN FROM THE CNTRL PLAINS INTO THE LOWER
MS VALLEY BY THIS WEEKEND. LR MODELS ALSO PUSH STRONG UPPER CUT-OFF
LOW NORTH OF THE GREAT LAKES REGION THIS WEEKEND...W/ THE MID ATLNC
W/ A DEVELOPING OFFSHORE LOW AS THE UPPER TROF AXIS PASSES ACROSS
THE AREA DRNG THE LATER PART OF THE WEEKEND.
&&
.AVIATION /08Z MONDAY THROUGH FRIDAY/...
TERMINAL SITES THIS MORNING ARE ALL REPORTING MVFR CONDITIONS. THE
RAIN INTENSITY HAS LET UP A LITTLE THIS MORNING...AND MOST VSBYS ARE
6SM OR ABOVE. THE VSBYS/CIGS WILL REMAIN SUB VFR THROUGH MOST OF THE
DAY. MODEL SOUNDINGS ONLY INDICATE CIGS IMPROVING LATE TONIGHT AS
THE LOW PRESSURE ALOFT AND AT THE SURFACE MOVE OUT TO SEA.
WINDS WILL REMAIN N/NE TODAY...WITH WIND GUSTS IN THE 20 TO 25 KT
RANGE.
TUES WILL REMAIN GUSTY INTO THE AFTN HRS...MAINLY ALONG AND EAST OF
I-95 W/ A GENERAL SUBSIDING BY EVNG. WED WILL BE QUIET BEFORE A
WEAK COLD FRONT MOVES THRU OVERNIGHT WED INTO EARLY THURS. SCT/D
AREAS OF SHRA/S EXPTD FROM THE END OF THE WEEK INTO THE WEEKEND W/
PERIODIC BREAKS IN THE ACTION.
&&
.MARINE...
SUSTAINED WIND SPEEDS AND GUSTS HAVE DIMINISHED SOME EARLY THIS
MORNING. WILL BE DROPPING THE STORM WARNING FOR THE DAY WITH THE
MORNING COASTAL PACKAGE. HOWEVER...THE WRF IS PROGGING A NORTHERLY
SURGE DOWN THE BAY ON THE BACK SIDE OF THE SURFACE LOW LATER THIS
MORNING. WILL KEEP A HIGH END GALE WARNING IN EFFECT FOR BAY
TODAY...WITH GUSTS 40 TO 45 KT. FOR THE TIDAL POTOMAC...HAVE RAISED
A GALE FOR THE ENTIRE AREA. WIND GUSTS TO 35 KT WILL BE LIKELY.
WIND GUSTS ON THE BAY SHOULD DECREASE SLIGHTLY IN THE EVENING AND
OVERNIGHT. HOWEVER...WIND GUSTS TO 35 KT WILL CONTINUE TO BE LIKELY
OVER THE ENTIRE MARINE AREA.
SCA COND/S LIKELY ON TUES...INTO THE LATE EVNG HRS AS THE OFFSHORE
LOW WEAKENS AND MOVES EAST. HIGH PRES ON WED...FOLLOWED BY A WEAK
COLD FRONT EARLY THURS. WEAK SHRA ACTIVITY FOR THE END OF THE WEEK.
&&
.TIDES/COASTAL FLOODING...
WATER LEVEL STILL REMAIN ELEVATED AT THIS TIME. CURRENT WATER
LEVELS IN THE COASTAL FLOOD WARNING AREA ARE STILL RUNNING AROUND
2 TO 2.5 FEET ABOVE NORMAL VALUES. WATER LEVELS STARTING TO
DECREASE...HOWEVER ABOVE NORMAL VALUES WILL PERIST TODAY. ALONG
THE WESTERN SHORE OF THE CHESAPEAKE BAY...WATER LEVEL STILL REMAIN
1 TO 2 FT ABOVE NORMAL.
&&
.LWX WATCHES/WARNINGS/ADVISORIES...
DC...FLOOD WATCH UNTIL 2 PM EDT THIS AFTERNOON FOR DCZ001.
COASTAL FLOOD WARNING UNTIL 6 AM EDT EARLY THIS MORNING FOR
DCZ001.
MD...FLOOD WATCH UNTIL 2 PM EDT THIS AFTERNOON FOR MDZ003>007-
009>011-013-014-016>018-501-502.
COASTAL FLOOD ADVISORY UNTIL 10 AM EDT THIS MORNING FOR MDZ007-
011-014-017-018.
COASTAL FLOOD WARNING UNTIL 6 AM EDT EARLY THIS MORNING FOR
MDZ013-016.
VA...FLOOD WATCH UNTIL 2 PM EDT THIS AFTERNOON FOR VAZ028-030-031-
040>042-051>057.
COASTAL FLOOD WARNING UNTIL 6 AM EDT EARLY THIS MORNING FOR
VAZ052>055.
WV...FLOOD WATCH UNTIL 2 PM EDT THIS AFTERNOON FOR WVZ050>053-503-
504.
MARINE...STORM WARNING UNTIL 4 AM EDT EARLY THIS MORNING FOR ANZ530>534.
GALE WARNING UNTIL 2 PM EDT TUESDAY FOR ANZ530>534.
GALE WARNING UNTIL 2 PM EDT TUESDAY FOR ANZ535>537.
&&
LISTEMAA/SCHOORHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 444 AM EDT MON MAY 12 2008 ANZ530>537-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057- 131000- 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-NORTHERN BALTIMORE-HARFORD- SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS- CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE- 444 AM EDT MON MAY 12 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF COLUMBIA. .DAY ONE...TODAY AND TONIGHT A FLOOD WATCH WILL REMAIN IN EFFECT UNTIL 2 PM. FLOODING OF SMALL STREAMS...CREEKS AND URBAN AREAS WILL BE POSSIBLE THROUGH THIS MORNING. AN ADDITIONAL ONE TO TWO INCHES OF RAINFALL WILL BE POSSIBLE IN THE METROPOLITAN AREAS OF WASHINGTON DC AND THE CITY OF BALTIMORE. STORM TOTAL RAINFALL AMOUNTS WILL AVERAGE BETWEEN TWO TO FOUR INCHES. RUN OFF FROM THE HEAVY RAINS HAS BEGUN TO MAKE ITS WAY INTO THE RIVERS...THIS WILL CREATE THE POTENTIAL FOR RIVER FLOODING. A COASTAL FLOOD WARNING IS IN EFFECT FOR THE UPPER TIDAL POTOMAC NORTH OF INDIAN HEAD...INCLUDING WASHINGTON DC UNTIL 6 AM. AS STRONG LOW PRESSURE CROSSES THE MID ATLANTIC...WATER LEVELS WILL CONTINUE AROUND 2 FT ABOVE NORMAL. A COASTAL FLOOD ADVISORY WILL LIKELY BE ISSUED FOR AREAS NORTH OF INDIAN HEAD LATER THIS MORNING. A COASTAL FLOOD ADVISORY REMAINS IN EFFECT FOR THE WESTERN SHORE OF THE CHESAPEAKE BAY AND THE LOWER TIDAL POTOMAC. CONTINUED ELEVATED WATER LEVELS WILL BE LIKELY. A GALE WARNING IS IN EFFECT FOR THE TIDAL POTOMAC AND MARYLAND PORTION OF THE CHESAPEAKE BAY TODAY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A GALE WARNING CONTINUES FOR THE LOWER POTOMAC RIVER AND MARYLAND CHESAPEAKE BAY THROUGH TUESDAY...WHILE SMALL CRAFT CONDITIONS ARE EXPECTED ON THE UPPER TIDAL POTOMAC RIVER. .SPOTTER INFORMATION STATEMENT... STORM TOTAL RAINFALL REPORTS WOULD BE GREATLY APPRECIATED. MDZ003>005-009-010-501-502-VAZ021-025>031-036>042-050-051- WVZ050>055-501>504-131000- WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD- EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-HIGHLAND- AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE- NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN- ORANGE-CULPEPER-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-PENDLETON- HARDY-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL- 444 AM EDT MON MAY 12 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA... NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND WITH THE EXCEPTION OF GARRETT COUNTY. .DAY ONE...TODAY AND TONIGHT A FLOOD WATCH WILL REMAIN IN EFFECT UNTIL 2 PM FOR PORTIONS OF NORTHERN MARYLAND AND EAST OF THE BLUE RIDGE MOUNTAINS. FLOODING OF SMALL STREAMS...CREEKS AND URBAN AREAS WILL BE POSSIBLE THROUGH THIS MORNING. AN ADDITIONAL ONE TO TWO INCHES OF RAINFALL WILL BE POSSIBLE IN THE METROPOLITAN AREAS OF WASHINGTON DC AND THE CITY OF BALTIMORE. STORM TOTAL RAINFALL AMOUNTS WILL AVERAGE BETWEEN TWO TO FOUR INCHES. RUN OFF FROM THE HEAVY RAINS HAS BEGUN TO MAKE ITS WAY INTO THE RIVERS...THIS WILL CREATE THE POTENTIAL FOR RIVER FLOODING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... STORM TOTAL RAINFALL REPORTS WOULD BE GREATLY APPRECIATED.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1211 AM EDT MON MAY 12 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1205 AM HIGH ASTR TIDES ST GEORGE ISLAND 38.12N 76.48W
05/12/2008 ST. MARYS MD EMERGENCY MNGR
WATER 2 FT OVER RT 249 OVER ST GEORGE ISLAND.
1205 AM FLOOD 2 NE OAKVILLE 38.41N 76.62W
05/12/2008 ST. MARYS MD EMERGENCY MNGR
FLOODING REPORTED ON SOUTH SANDGATES RD.
&&
GMSPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1217 AM EDT MON MAY 12 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 PM FLOOD ARKENDALE 38.44N 77.34W
05/11/2008 STAFFORD VA LAW ENFORCEMENT
NUMEROUS ROADS CLOSED DUE TO FLOODING IN ARKENDALE
0700 PM FLOOD STAFFORD 38.42N 77.40W
05/11/2008 STAFFORD VA LAW ENFORCEMENT
NUMEROUS ROAD CLOSURED REPORTED IN NORTHERN AND SOUTHERN
PORTIONS OF THE COUNTY...INCLUDING STAFFORD.
0723 PM FLOOD ALDIE 38.98N 77.64W
05/11/2008 LOUDOUN VA TRAINED SPOTTER
FLOODING ON ROUTE 50 IN ALDIE
0800 PM FLOOD GAINESVILLE 38.80N 77.61W
05/11/2008 PRINCE WILLIAM VA LAW ENFORCEMENT
NUMEROUS ROADS CLOSED IN THE GAINESVILLE AREA.
0840 PM FLOOD POOLESVILLE 39.14N 77.41W
05/11/2008 MONTGOMERY MD EMERGENCY MNGR
WATER RESUCE AT WESTERLY ROAD AND EDWARDS FERRY ROAD
0855 PM FLOOD CHANTILLY 38.88N 77.41W
05/11/2008 FAIRFAX VA EMERGENCY MNGR
WATER RESCUE REPORTED IN CHANTILLY
1020 PM FLOOD 3 N NANJEMOY 38.50N 77.22W
05/11/2008 CHARLES MD TRAINED SPOTTER
SMALL STREAMS AND DITCHES OUT OF THEIR BANKS AND COVERING
ROADWAYS.
1030 PM NON-TSTM WND DMG CHILLUM 38.96N 76.99W
05/11/2008 PRINCE GEORGES MD FIRE DEPT/RESCUE
TREES DOWN ON A BUILDING IN CHILLUM...DUE TO SATURATED
GROUND.
1030 PM FLOOD 1 SSE BRISTOL 38.76N 76.66W
05/11/2008 ANNE ARUNDEL MD TRAINED SPOTTER
LYONS CREEK AT MD ROUTE 4 AND MD ROUTE 260 IS OUT OF ITS
BANKS AT THE BORDER OF ANNE ARUNDEL AND CALVERT COUNTIES
1100 PM FLOOD WHITE PLAINS 38.59N 76.94W
05/11/2008 CHARLES MD TRAINED SPOTTER
BILLINGSLY ROAD ALMOST IMPASSABLE DUE TO FLOODING
1110 PM FLOOD 4 W SPOTSYLVANIA 38.20N 77.66W
05/11/2008 SPOTSYLVANIA VA EMERGENCY MNGR
FLOODING REPORTED NEAR ROBERT E LEE DR AND MILL POND RD.
1110 PM FLOOD POST OAK 38.17N 77.66W
05/11/2008 SPOTSYLVANIA VA EMERGENCY MNGR
FLOODING REPORTED AROUND BLACK ROCK RD.
1110 PM FLOOD HUNTINGTON 38.78N 77.07W
05/11/2008 FAIRFAX VA BROADCAST MEDIA
HOMES EVACUATED AROUND FENWICK DR FROM RISING WATER ALONG
CAMERON RUN.
1145 PM FLOOD 2 S THURMONT 39.59N 77.41W
05/11/2008 FREDERICK MD EMERGENCY MNGR
FLOODING REPORTED ON HESSONG BRIDGE RD AT BLUE MOUNTAIN
RD.
1145 PM FLOOD 1 SW FREDERICK 39.42N 77.43W
05/11/2008 FREDERICK MD EMERGENCY MNGR
FLOODING REPORTED AT BUTTERFLY LN AND RT 180.
1205 AM FLOOD 2 NE OAKVILLE 38.41N 76.62W
05/12/2008 ST. MARYS MD EMERGENCY MNGR
FLOODING REPORTED ON SOUTH SANDGATES RD.
1205 AM HIGH ASTR TIDES ST GEORGE ISLAND 38.12N 76.48W
05/12/2008 ST. MARYS MD EMERGENCY MNGR
WATER 2 FT OVER RT 249 OVER ST GEORGE ISLAND.
&&
PRELIMINARY SUMMARY. PLEASE RELAY REPORTS OF FLOODING TO THE NATIONAL
WEATHER SERVICE.
SARPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 AM EDT MON MAY 12 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0221 AM FLOOD CHEVERLY 38.93N 76.91W
05/12/2008 PRINCE GEORGES MD BROADCAST MEDIA
STANDING WATER ON U.S. ROUTE 50 IN CHEVERLY AREA.
0221 AM FLOOD WASHINGTON 38.91N 77.02W
05/12/2008 DISTRICT OF COLUMB DC BROADCAST MEDIA
PORTIONS OF BEACH DRIVE CLOSED DUE TO FLOODING.
&&
LEEPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
230 AM EDT MON MAY 12 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0211 AM FLOOD ANNAPOLIS 38.97N 76.50W
05/12/2008 ANNE ARUNDEL MD EMERGENCY MNGR
MD-450 SOUTH HAVEN RD REMAINS CLOSED DUE TO HIGH WATER.
0211 AM FLOOD ASHTON 39.15N 77.01W
05/12/2008 MONTGOMERY MD EMERGENCY MNGR
BRIGHTON DAM ROAD REMAINS CLOSED DUE TO HIGH WATER.
0211 AM FLOOD SILVER SPRING 39.00N 77.05W
05/12/2008 MONTGOMERY MD EMERGENCY MNGR
BROOKVILLE RD OFF GEORGIA AVENUE REMAINS CLOSED DUE TO
HIGH WATER.
&&
LROSAPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
303 AM EDT MON MAY 12 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0245 AM FLOOD FREDERICK 39.43N 77.42W
05/12/2008 FREDERICK MD EMERGENCY MNGR
JEFFERSON PIKE REMAINS CLOSED IN THE CITY OF FREDERICK.
0245 AM FLOOD WOLFSVILLE 39.57N 77.55W
05/12/2008 FREDERICK MD EMERGENCY MNGR
ROUTE 17 AT ROUTE 40 REMAINS CLOSED DUE TO HIGH WATER.
0301 AM FLOOD SPOTSYLVANIA 38.20N 77.59W
05/12/2008 SPOTSYLVANIA VA EMERGENCY MNGR
WEST CACARPON ROAD AND ROUTE 1 REMAIN CLOSED DUE TO HIGH
WATER.
&&
LROSAPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
455 AM EDT MON MAY 12 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0228 AM FLOOD WARRENTON 38.72N 77.80W
05/12/2008 FAUQUIER VA DEPT OF HIGHWAYS
NUMEROUS ROAD CLOSURES DUE TO FLOODING THROUGHOUT COUNTY.
&&
LEEThe national radar mosaic for the moment the first event began.
2 flood. Local standard time, as filed.
Berkeley County Emergency Management reported several roads flooded in the Martinsburg area.
Newspapers reported that Johnson's Mill Road, Rockford Road and Doe Gully Road were closed due to high water.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in West Virginia in 2008Every state in 2008This day in weather historyWarnings in West Virginia, May 2008
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: 99066, 99068.