National Weather Service United States Department of Commerce

Severe Thunderstorm Threat From the Central Plains to the Northeast; Extreme HeatRisk for the East Coast

Strong to severe thunderstorms are possible from the central Plains to the Northeast through this evening. Widespread damaging winds are the primary threat but hail and a tornado or two is also possible. Extremely dangerous heat continues across the Eastern U.S. Warm overnight low temperatures will provide little to no relief. Read More >


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NWUS51 KLWX 282333
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PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
732 PM EDT SUN AUG 28 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1207 PM     FLOOD            2 E SAINT MARYS CITY    38.19N  76.41W
08/27/2011                   ST. MARYS          MD   TRAINED SPOTTER

            6-8 INCHES OF STANDING WATER OVER MULTIPLE SECTIONS OF
            MATTHAPANY RD NEAR ST. MARYS COLLEGE.

1211 PM     TROPICAL STORM   2 NW SAINT INIGOES      38.17N  76.41W
08/27/2011                   ST. MARYS          MD   TRAINED SPOTTER

            MULTIPLE LARGE BRANCHES BLOWN DOWN...SEVERAL FENCES
            DESTROYED.

1242 PM     TROPICAL STORM   2 W ELMA                37.75N  78.83W
08/27/2011                   NELSON             VA   DEPT OF HIGHWAYS

            VA ROUTE 6 CLOSED IN NELSON COUNTY DUE TO KNOCKED DOWN
            TREE.

1255 PM     TROPICAL STORM   3 ESE LEONARDTOWN       38.28N  76.59W
08/27/2011                   ST. MARYS          MD   TRAINED SPOTTER

            TREE DOWN NEAR ST. MARYS HOSPITAL

0145 PM     FLASH FLOOD      2 NE CHAPTICO           38.38N  76.76W
08/27/2011                   ST. MARYS          MD   911 CALL CENTER

            BAPTIST RD CLOSED

0230 PM     TROPICAL STORM   LEONARDTOWN             38.30N  76.64W
08/27/2011                   ST. MARYS          MD   911 CALL CENTER

            NUMEROUS TREES DOWN.

0240 PM     TROPICAL STORM   KING GEORGE             38.27N  77.18W
08/27/2011                   KING GEORGE        VA   TRAINED SPOTTER

            SEVERAL PINE TREES DOWN

0250 PM     TROPICAL STORM   PRINCE FREDERICK        38.55N  76.59W
08/27/2011                   CALVERT            MD   911 CALL CENTER

            TREES DOWN THROUGHOUT THE COUNTY FROM HURRICANE WIND
            GUSTS.

0505 PM     TROPICAL STORM   UPPER MARLBORO          38.82N  76.76W
08/27/2011                   PRINCE GEORGES     MD   911 CALL CENTER

            TREE DOWN AT 1301 IVERSON STREET IN OXON HILL.

0523 PM     TROPICAL STORM   UPPER MARLBORO          38.82N  76.76W
08/27/2011                   PRINCE GEORGES     MD   911 CALL CENTER

            TREE DOWN AT 6016 MUSTANG COURT IN RIVERDALE

0606 PM     FLASH FLOOD      PINEY POINT             38.14N  76.50W
08/27/2011                   ST. MARYS          MD   DEPT OF HIGHWAYS

            STATE ROUTE 249 CLOSED AND FLOODED.

0624 PM     FLASH FLOOD      3 SW CROWNSVILLE        38.99N  76.62W
08/27/2011                   ANNE ARUNDEL       MD   DEPT OF HIGHWAYS

            STATE ROUTE 450 FLOODED AND CLOSED NEAR RUTLAND ROAD.

0624 PM     TROPICAL STORM   16 ENE TAYLORS ISLAND   38.57N  76.07W
08/27/2011                   ANZ541             MD   BUOY

            SUSTAINED WINDS 37 KNOTS.

0725 PM     TROPICAL STORM   2 W CALIFORNIA          38.30N  76.54W
08/27/2011                   ST. MARYS          MD   TRAINED SPOTTER

            LARGE TREES DOWN

0743 PM     FLASH FLOOD      2 SE ANDREWS AFB        38.79N  76.84W
08/27/2011                   PRINCE GEORGES     MD   DEPT OF HIGHWAYS

            STATE ROUTE 223 FLOODED AND CLOSED AT ROSARYVILLE ROAD.

0745 PM     TROPICAL STORM   1 E CLINTON             38.76N  76.88W
08/27/2011                   PRINCE GEORGES     MD   TRAINED SPOTTER

            TREE DOWN ON HOUSE IN FOX RUN ESTATES

0745 PM     TROPICAL STORM   1 SSW DUNDALK           39.25N  76.51W
08/27/2011                   BALTIMORE          MD   TRAINED SPOTTER

            TREE BLOWN ONTO HOUSE AT BELCLARE ROAD AND MCSHANE ROAD

0833 PM     FLASH FLOOD      1 S FERNDALE            39.17N  76.63W
08/27/2011                   ANNE ARUNDEL       MD   DEPT OF HIGHWAYS

            MARYLAND STATE ROUTE 176 FLOODED AND CLOSED BETWEEN
            CENTRAL AVENUE AND BALTO ANNAPOLIS BOULEVARD.

0840 PM     TROPICAL STORM   2 N NORTH BEACH         38.73N  76.54W
08/27/2011                   ANNE ARUNDEL       MD   BUOY

            SUSTAINED WINDS 42 KNOTS.

0843 PM     FLASH FLOOD      BALTIMORE               39.30N  76.61W
08/27/2011                   BALTIMORE CITY     MD   FIRE DEPT/RESCUE

            THE 4500 BLOCK OF HARFORD ROAD WAS CLOSED DUE TO FLASH
            FLOODING. THE 600 BLOCK OF WEST PATAPSCO ROAD AND THE
            2300 BLOCK OF MCELDERRY ROAD WERE ALSO CLOSED.

0852 PM     TROPICAL STORM   WEST SPRINGFIELD        38.77N  77.23W
08/27/2011                   FAIRFAX            VA   BROADCAST MEDIA

            LARGE TREES DOWN

0900 PM     TROPICAL STORM   3 W GATEWOOD            38.09N  77.72W
08/27/2011                   SPOTSYLVANIA       VA   DEPT OF HIGHWAYS

            ROUTE 614 IN SPOTSYLVANIA COUNTY CLOSED DUE TO POWER
            LINES DOWN ACROSS ROADWAY.

0904 PM     TROPICAL STORM   3 ESE PARK HALL         38.20N  76.38W
08/27/2011                   ST. MARYS          MD   TRAINED SPOTTER

            POWER IS OUT FROM MECHANICSVILLE TO POINT LOOKOUT ABOUT
            10 MILES AND MANY TREES AND POWER LINES DOWN.

0923 PM     FLASH FLOOD      1 ESE SPRING VALLEY     38.33N  77.45W
08/27/2011                   STAFFORD           VA   EMERGENCY MNGR

            HARRELL ROAD CLOSED BETWEEN FORBES STREET AND DEACON
            ROAD DUE TO FLASH FLOODING FROM CLAIBORNE RUN.

0930 PM     FLOOD            PINEY POINT             38.14N  76.50W
08/27/2011                   ST. MARYS          MD   DEPT OF HIGHWAYS

            STATE ROUTE 249 REMAINS CLOSED SOUTH OF STARK DRIVE DUE
            TO FLOODING.

1004 PM     TROPICAL STORM   1 SW STAFFORD           38.41N  77.42W
08/27/2011                   STAFFORD           VA   DEPT OF HIGHWAYS

            US-1 IN STAFFORD COUNTY CLOSED DUE TO POWER LINES DOWN
            ACROSS ROADWAY.

1004 PM     TROPICAL STORM   2 ESE HOLLY CORNER      38.35N  77.53W
08/27/2011                   STAFFORD           VA   DEPT OF HIGHWAYS

            ROUTE 654 IN STAFFORD COUNTY CLOSED DUE TO POWER LINES
            DOWN ACROSS ROADWAY.

1004 PM     FLASH FLOOD      1 ESE SPRING VALLEY     38.33N  77.45W
08/27/2011                   STAFFORD           VA   DEPT OF HIGHWAYS

            ROUTE 623 IN STAFFORD COUNTY CLOSED DUE TO FLOODING.

1027 PM     FLASH FLOOD      1 SW LONDONTOWNE        38.93N  76.57W
08/27/2011                   ANNE ARUNDEL       MD   DEPT OF HIGHWAYS

            STATE ROUTE 214 CLOSED AT STATE ROUTE 2 DUE TO FLASH
            FLOODING.

1031 PM     TROPICAL STORM   2 ENE PATUXENT RIVER NA 38.28N  76.41W
08/27/2011                   ST. MARYS          MD   AWOS

            SUSTAINED WINDS 36 KNOTS.

1035 PM     TROPICAL STORM   2 SE DAHLGREN           38.31N  77.03W
08/27/2011                   ANZ536             VA   BUOY

            SUSTAINED WINDS 41 KNOTS.

1045 PM     TROPICAL STORM   10 ENE PLUM POINT       38.68N  76.33W
08/27/2011                   ANZ541             MD   BUOY

            SUSTAINED WINDS 36 KNOTS.

1059 PM     TROPICAL STORM   3 SE HIGHLAND BEACH     38.90N  76.44W
08/27/2011                   ANZ532             MD   BUOY

            SUSTAINED WINDS 47 KNOTS.

1059 PM     TROPICAL STORM   3 ENE DAHLGREN          38.34N  76.99W
08/27/2011                   ANZ536             VA   BUOY

            SUSTAINED WINDS 46 KNOTS.

1136 PM     TROPICAL STORM   SOLOMONS                38.32N  76.45W
08/27/2011                   CALVERT            MD   BUOY

            SUSTAINED WINDS 40 KNOTS.

1136 PM     TROPICAL STORM   SOLOMONS                38.32N  76.45W
08/27/2011                   CALVERT            MD   BUOY

            SUSTAINED WINDS 40 KNOTS.

1200 AM     FLOOD            1 ESE SPRING VALLEY     38.33N  77.45W
08/28/2011                   STAFFORD           VA   EMERGENCY MNGR

            HARRELL ROAD REMAINS FLOODED AND CLOSED FROM EARLIER
            RAINS ON CLAIBORNE RUN.

1205 AM     TROPICAL STORM   2 SE COBB ISLAND        38.24N  76.83W
08/28/2011                   ANZ537             MD   BUOY

            SUSTAINED WINDS 51 KNOTS.

1230 AM     TROPICAL STORM   5 S SWAN POINT          38.23N  76.95W
08/28/2011                   ANZ536             MD   BUOY

            SUSTAINED WINDS 46 KNOTS.

1248 AM     FLASH FLOOD      NOTTINGHAM              39.36N  76.45W
08/28/2011                   BALTIMORE          MD   DEPT OF HIGHWAYS

            STATE ROUTE 7 FLOODED AND CLOSED AT MOHRS LANE.

1255 AM     TROPICAL STORM   1 E MORNINGSIDE         38.83N  76.87W
08/28/2011                   PRINCE GEORGES     MD   AWOS

            SUSTAINED WINDS 34 KNOTS.

0100 AM     TROPICAL STORM   2 WSW NEWBURG           38.37N  77.00W
08/28/2011                   ANZ536             MD   BUOY

            SUSTAINED WINDS 39 KNOTS.

0133 AM     TROPICAL STORM   1 E US CAPITOL          38.89N  77.00W
08/28/2011                   DISTRICT OF COLUMB DC   TRAINED SPOTTER

            NUMEROUS TREE BRANCHES UP TO 4 INCHES IN DIAMETER DOWN.

0136 AM     TROPICAL STORM   3 E CALVERT CLIFFS      38.43N  76.39W
08/28/2011                   ANZ533             MD   BUOY

            SUSTAINED WINDS 50 KNOTS.

0157 AM     FLASH FLOOD      2 NE BALTIMORE MARTIN S 39.34N  76.39W
08/28/2011                   BALTIMORE          MD   DEPT OF HIGHWAYS

            STATE ROUTE 150 FLOODED AND CLOSED AT EARLS ROAD.

0215 AM     FLOOD            1 NNE CLEMENTS          38.33N  76.73W
08/28/2011                   ST. MARYS          MD   OTHER FEDERAL

            THE RIVER GAUGE ON ST CLEMENT CREEK NEAR CLEMENTS SET A
            NEW RECORD STAGE OF 6.98 FEET. RECORDS DATE BACK TO
            1968.

0230 AM     FLOOD            WASHINGTON              38.91N  77.02W
08/28/2011                   DISTRICT OF COLUMB DC   DEPT OF HIGHWAYS

            SE SW FREEWAY CLOSED DUE TO HIGH STANDING WATER.

0306 AM     TROPICAL STORM   9 SE MIDDLE RIVER       39.21N  76.25W
08/28/2011                   ANZ531             MD   BUOY

            SUSTAINED WIND 40 KNOTS.

0308 AM     FLOOD            1 NNW EDGEWOOD          39.44N  76.31W
08/28/2011                   HARFORD            MD   DEPT OF HIGHWAYS

            STATE ROUTE 7 FLOODED AND CLOSED BETWEEN EDGEWOOD ROAD
            AND MARYLAND ROUTE 24.

0315 AM     TROPICAL STORM   1 ESE OELLA             39.27N  76.77W
08/28/2011                   BALTIMORE          MD   TRAINED SPOTTER

            TREE DOWN IN BACKYARD OF SPOTTERS HOME.

0320 AM     FLOOD            2 NE BALTIMORE MARTIN S 39.34N  76.39W
08/28/2011                   BALTIMORE          MD   DEPT OF HIGHWAYS

            STATE ROUTE 150 REMAINS FLOODED AND CLOSED DUE TO
            EARLIER RAINFALL.

0330 AM     TROPICAL STORM   6 SSE FISHING CREEK     38.26N  76.18W
08/28/2011                   ANZ534             MD   BUOY

            SUSTAINED WINDS 34 KNOTS.

0341 AM     TROPICAL STORM   3 WSW NEWBURG           38.36N  77.00W
08/28/2011                   ANZ536             MD   DEPT OF HIGHWAYS

            US-301 HARRY NICE BRIDGE CLOSED DUE TO HIGH WIND.

0420 AM     TROPICAL STORM   3 ESE CHASE             39.36N  76.32W
08/28/2011                   ANZ531             MD   BUOY

            SUSTAINED WINDS 36 KNOTS.

0500 AM     TROPICAL STORM   3 S ALDIE               38.94N  77.64W
08/28/2011                   PRINCE WILLIAM     VA   DEPT OF HIGHWAYS

            ROUTE 633 IN PRINCE WILLIAM COUNTY CLOSED DUE TO TREE
            ACROSS ROADWAY.

0508 AM     TROPICAL STORM   2 WNW WHITE PLAINS      38.60N  76.98W
08/28/2011                   CHARLES            MD   TRAINED SPOTTER

            TREE UPROOTED

0518 AM     TROPICAL STORM   4 NW WATERFORD          39.22N  77.66W
08/28/2011                   LOUDOUN            VA   DEPT OF HIGHWAYS

            VA-287 IN LOUDOUN COUNTY CLOSED DUE TO TREE DOWN ACROSS
            ROADWAY.

0518 AM     TROPICAL STORM   2 SSE LOVETTSVILLE      39.25N  77.62W
08/28/2011                   LOUDOUN            VA   DEPT OF HIGHWAYS

            ROUTE 673 IN LOUDOUN COUNTY CLOSED DUE TO TREE DOWN
            ACROSS ROADWAY.

0518 AM     TROPICAL STORM   1 E HAMILTON            39.13N  77.65W
08/28/2011                   LOUDOUN            VA   DEPT OF HIGHWAYS

            ROUTE 704 CLOSED IN LOUDOUN COUNTY DUE TO TREE ACROSS
            ROADWAY

0530 AM     TROPICAL STORM   17 NE SMITH ISLAND      38.14N  75.79W
08/28/2011                   ANZ543             VA   BUOY

            SUSTAINED WINDS 39 KNOTS.

0536 AM     TROPICAL STORM   2 WSW PINEY POINT       38.13N  76.53W
08/28/2011                   ANZ537             MD   BUOY

            SUSTAINED WINDS 47 KNOTS.

0624 AM     TROPICAL STORM   13 SE FISHING CREEK     38.22N  76.04W
08/28/2011                   ANZ543             MD   BUOY

            SUSTAINED WINDS 40 KNOTS.

0706 AM     TROPICAL STORM   3 W SPARROWS POINT      39.22N  76.53W
08/28/2011                   ANZ538             MD   BUOY

            SUSTAINED WINDS 41 KNOTS.

0720 AM     FLOOD            3 N DUNKIRK             38.76N  76.66W
08/28/2011                   ANNE ARUNDEL       MD   TRAINED SPOTTER

            FLOODING WAS REPORTED ALONG LYONS CREEK NEAR MD RT 4
            AND RT 260.

0745 AM     TROPICAL STORM   1 N BALTIMORE MARTIN ST 39.34N  76.42W
08/28/2011                   BALTIMORE          MD   AWOS

            SUSTAINED WINDS 34 KNOTS.

0800 AM     TROPICAL STORM   WASHINGTON              38.91N  77.02W
08/28/2011                   DISTRICT OF COLUMB DC   EMERGENCY MNGR

            APPROXIMATELY 200 TREES WERE DOWN THROUGHOUT WASHINGTON
            DC.

0805 AM     TROPICAL STORM   HOLLYWOOD               38.34N  76.58W
08/28/2011                   ST. MARYS          MD   TRAINED SPOTTER

            MULTIPLE TREES DOWN ACROSS SEVERAL ROADS. ROADS ARE
            ARMY WAY... TIPPETT ROAD... JOE HAZEL ROAD... INDIAN
            BRIDGE ROAD... AND RT 243

0816 AM     TROPICAL STORM   2 W CALIFORNIA          38.30N  76.54W
08/28/2011                   ST. MARYS          MD   TRAINED SPOTTER

            A LOT OF TREES DOWN FROM IRENE WIND GUSTS.

0930 AM     TROPICAL STORM   3 WSW LINEBORO          39.71N  76.90W
08/28/2011                   CARROLL            MD   TRAINED SPOTTER

            3 TREES DOWN THROUGHOUGHT NEIGHBORHOOD. A LOT OF DEBRIS
            AND LIMBS SCATTERED ABOUT.

0931 AM     TROPICAL STORM   13 SE FISHING CREEK     38.22N  76.04W
08/28/2011                   ANZ543             MD   BUOY

            SUSTAINED WINDS 38 KNOTS.

0944 AM     TROPICAL STORM   1 ESE SILVER SPRING     39.00N  77.03W
08/28/2011                   MONTGOMERY         MD   TRAINED SPOTTER

            TOP OF STREET LAMP DAMAGED BY STRONG WINDS.

0949 AM     TROPICAL STORM   1 W HAMPTON             39.42N  76.59W
08/28/2011                   BALTIMORE          MD   TRAINED SPOTTER

            MULTIPLE TREES DOWN FROM STRONG WINDS AND WIDESPERAD
            POWER OUTAGES. RAINFALL IS STORM TOTAL PRECIP.

1002 AM     TROPICAL STORM   1 SW BALTIMORE          39.29N  76.62W
08/28/2011                   BALTIMORE CITY     MD   TRAINED SPOTTER

            TREES UPROOTED IN BALTIMORE COUNTY AND CITY ON RT 30
            BUTLER...NORTHERN PKWY...AND BALTIMORE LIGHT RAIL.

1017 AM     TROPICAL STORM   1 E SILVER SPRING       39.00N  77.03W
08/28/2011                   MONTGOMERY         MD   TRAINED SPOTTER

            4 BRANCHES ABOUT 1 2 AN INCH IN DIAMETER BLOWN DOWN IN
            PARK NEAR THE INTERSECTION OF RAMSY AND CAMERON ST. IN
            SILVER SPRINGS.

1100 AM     TROPICAL STORM   1 W FAIRLAND            39.08N  76.97W
08/28/2011                   MONTGOMERY         MD   TRAINED SPOTTER

            SEVERAL LARGE LIMBS DOWN FROM STRONG WIND GUSTS.

1139 AM     TROPICAL STORM   1 E CLINTON             38.76N  76.88W
08/28/2011                   PRINCE GEORGES     MD   TRAINED SPOTTER

            MULTIPLE BIG TREES DOWN. ONE FELL ON NEIGHBOR S HOUSE
            AND ANOTHER SMASHED THE NEIGHBOR S CARS. AT SPOTTER S
            LOCATION...HAD LARGE TREE FALL THROUGH FENCE.
            ALSO...MULTIPLE POWER LINES DOWN THROUGHOUT NEIGHBORHOOD

1253 PM     TROPICAL STORM   2 W CALIFORNIA          38.30N  76.54W
08/28/2011                   ST. MARYS          MD   TRAINED SPOTTER

            MANY LARGE TREES DOWN BLOCKING ROADWAYS. SOME STREETS
            IN THE AREA ARE FLOODED.


&&

EVENT NUMBER LWX1101731 LWX1101682 LWX1101683 LWX1101649 LWX1101652
LWX1101653 LWX1101650 LWX1101651 LWX1101685 LWX1101686 LWX1101656
LWX1101657 LWX1101715 LWX1101660 LWX1101655 LWX1101687 LWX1101688
LWX1101658 LWX1101716 LWX1101654 LWX1101662 LWX1101689 LWX1101732
LWX1101661 LWX1101659 LWX1101690 LWX1101691 LWX1101733 LWX1101663
LWX1101725 LWX1101730 LWX1101717 LWX1101722 LWX1101729 LWX1101711
LWX1101727 LWX1101665 LWX1101719 LWX1101718 LWX1101666 LWX1101728
LWX1101713 LWX1101667 LWX1101710 LWX1101668 LWX1101671 LWX1101669
LWX1101708 LWX1101678 LWX1101679 LWX1101675 LWX1101724 LWX1101692
LWX1101720 LWX1101693 LWX1101735 LWX1101694 LWX1101695 LWX1101696
LWX1101726 LWX1101712 LWX1101714 LWX1101709 LWX1101734 LWX1101721
LWX1101707 LWX1101680 LWX1101698 LWX1101699 LWX1101723 LWX1101700
LWX1101701 LWX1101702 LWX1101703 LWX1101704 LWX1101705 LWX1101706

$$

BJL