Alert archive / Virginia / Flash Flood Warnings in 2001
Flash Flood Warning 53, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Sep 24, 2001, 8:25 PM EDT for Fauquier County, Loudoun County, Virginia; Frederick County, Maryland. It was in force for 110 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 24, 2001, 8:25 PM EDT (00:25 UTC)
- Expired
- Sep 24, 2001, 10:15 PM EDT
- In force
- 110 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
Counties Frederick County, MD, Fauquier County, VA, Loudoun County, VA
The radar
The Sterling radar (KLWX), 18 km from the middle of the area, began a volume at 00:26 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.4 hours before the alert went out and 25 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 26 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 465 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KLWX 250027 FFWLWX MDC021-VAC061-107-250215- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 825 PM EDT MON SEP 24 2001 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS EXTENDED A * FLASH FLOOD WARNING FOR... FREDERICK COUNTY IN NORTH CENTRAL MARYLAND FAUQUIER COUNTY IN NORTHERN VIRGINIA LOUDOUN COUNTY IN NORTHERN VIRGINIA * UNTIL 1015 PM EDT * AT 816 PM EDT...A NATIONAL WEATHER SERVICE EMPLOYEE REPORTED WATER OVER EVERGREEN MILLS ROAD BETWEEN LEESBURG AND STERLING IN LOUDOUN COUNTY. EMERGENCY MANAGERS IN FAUQUIER COUNTY REPORTED STANDING WATER ON ROUTE 17 BETWEEN WARRENTON AND MARSHALL. ROUTE 55 NEAR MARSHALL ALSO HAD STANDING WATER ON IT. A LINE OF SHOWERS AND THUNDERSTORMS CONTINUED TO PRODUCE HEAVY RAINFALL FROM FREDERICK COUNTY MARYLAND SOUTH TO NORTHERN FAUQUIER COUNTY IN VIRGINIA. THIS LINE WAS MOVING SLOWLY NORTHEAST AND WILL AFFECT THE AREA THROUGH 1015 PM. THE THREAT OF WATER COVERED ROADS WILL CONTINUE THROUGH 1015 PM AND THUS THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLASH FLOOD WARNING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. QUICKLY MOVE OUT OF AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IF WATER IS FLOWING ACROSS A ROADWAY TURN YOUR VEHICLE AROUND AND FIND AN ALTERNATE ROUTE. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. ARTHUR
What forecasters said that day
The local office's own words before this flash flood warning went out, 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 this flash flood warning went out at Sep 24, 8:15 PM EDT, 10 minutes earlier.
Area forecast discussion, Sep 24, 8:15 PM EDT, 10 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 815 PM EDT MON SEP 24 2001 WILL BE ISSUING QUICK UPDATE TO REMOVE MENTION OF TORNADO WATCH AND SVR WORDING. MESO LOW ASSOC WITH ROTATIONAL STORMS SEEMS TO HAVE MOVED N OF CWA. MAIN THREAT IS TRAINING ECHOS AND FLASH FLOODING NEXT FEW HOURS. .LWX... DC...NONE. MD...NONE VA...NONE. WV...NONE. MMARGRAF
In the hours before
Local storm report, Sep 24, 3:31 PM EDT, 4 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
331 PM EDT MON SEP 24 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0315 PM JEFFERSONTON VA TORNADO
09/24/01 CULPEPER NUMEROUS TREES DOWN. SOME
TREES FELL ON HOUSES IN
ROUTE 229 AND 211 AREAS.
TWO HOMES DAMAGED. REPORTED
BY 911.
MKMLocal storm report, Sep 24, 3:48 PM EDT, 4 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
348 PM EDT MON SEP 24 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0335 PM 5 SW WARRENTON VA TORNADO
09/24/01 FAUQUIER ROOFS BLOWN OFF ONTO ROUTE
211 NEAR ROUTE 681.
REPORTED BY LAW
ENFORCEMENT.
MKMLocal storm report, Sep 24, 4:06 PM EDT, 4 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
406 PM EDT MON SEP 24 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0359 PM THE PLAINS VA TORNADO
09/24/01 FAUQUIER NUMEROUS REPORTS OF DAMAGE
INCLUDING POWER LINES AND
TREES DOWN AND DAMAGE TO
HOMES. REPORT FROM 911.
MKMLocal storm report, Sep 24, 4:13 PM EDT, 4 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
413 PM EDT MON SEP 24 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM CULPEPER VA TORNADO
09/24/01 CULPEPER *** 1 INJ ***
MOBILE HOME DAMAGED AND
ONE PERSON INSIDE INJURED.
REPORTED BY 911.
MKMSpecial weather statement, Sep 24, 4:13 PM EDT, 4 hours 12 minutes before
DCZ001-MDZ003>007-009>011-013-014-016>018-VAZ028-030-031-039>042- 050>057-WVZ051>053-250000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 413 PM EDT MON SEP 24 2001 ...A TORNADO WATCH IS IN EFFECT UNTIL 8 PM THIS EVENING... A TORNADO WATCH HAS BEEN ISSUED FOR THE EASTERN THIRD OF VIRGINIA... THE EASTERNMOST THREE COUNTIES IN WEST VIRGINIA... AND ALL OF MARYLAND WEST OF THE BAY WITH THE EXCEPTION OF GARRETT AND ALLEGANY COUNTIES. THIS ALSO INCLUDES THE DISTRICT OF COLUMBIA AND THE WATERS OF THE TIDAL POTOMAC AND THE CHESAPEAKE BAY. A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADO FORMATION THIS AFTERNOON AND EVENING. THE NATIONAL WEATHER SERVICE WILL BE MONITORING THESE STORMS...AND WILL ISSUE WARNINGS IF TORNADOES OR ANY OTHER SEVERE WEATHER IS IMMINENT IN YOUR AREA. SEVERAL REPORTS OF TORNADOES HAVE ALREADY COME IN FROM NORTHERN AND NORTH CENTRAL VIRGINIA. BE PREPARED TO TAKE SHELTER IF A WARNING IS ISSUED FOR YOUR COUNTY OR CITY. STAY AWAY FROM WINDOWS IN A LOW LEVEL INTERIOR ROOM. A DEVELOPING LOW PRESSURE SYSTEM AND AN ASSOCIATED COLD FRONT WILL MOVE ACROSS THE MID ATLANTIC STATES THIS AFTERNOON AND EVENING. SHOWERS AND THUNDERSTORMS WILL ACCOMPANY THIS WEATHER SYSTEM AS IT MOVES THROUGH THE AREA. AS THESE STORMS MOVE EAST OVER THE AREA... THEY WILL HAVE THE POTENTIAL TO PRODUCE DAMAGING WINDS... HAIL... AND TORNADOES. ALSO... HEAVY RAINFALL FROM THESE STORMS MAY RESULT IN ISOLATED FLOODING... ESPECIALLY IN URBAN AREAS AND IN LOW LYING AREAS NEAR CREEKS AND STREAMS. THE SKYWARN SPOTTER ACTIVATION NETWORK HAS BEEN ACTIVATED. STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR UPDATED FORECASTS... STATEMENTS... AND POSSIBLE WARNINGS. FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT HTTP://WWW.NWS.NOAA.GOV/ER/LWX STRONG
Local storm report, Sep 24, 7:44 PM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
744 PM EDT MON SEP 24 2001
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM CULPEPER VA TORNADO
09/24/01 CULPEPER *** 2 INJ ***
THREE TRAILER HOMES
DESTROYED AND FOUR DAMAGED
ON PONDEROSA COURT.
0300 PM COUNTYWIDE VA TORNADO
09/24/01 CULPEPER BUILDINGS DAMAGED ON
INDIAN FORK RD... SPRINGS
ROAD... MOSER LANE... OAK
SHADE ROAD AND SCOTTSVILLE
ROAD. THREE CHURCHES
DAMAGED.
0300 PM NORTH PORTION VA TORNADO
09/24/01 CULPEPER TORNADO DAMAGE PATH
VISIBLE 5 MILES S OF THE
RAPPAHANNOCK RIVER NEAR
ROUTE 211. REPORTED BY
SKYWARN.
0310 PM JEFFERSONTON VA TORNADO
09/24/01 CULPEPER NUMEROUS TREES DOWNED ON
HOUSES IN ROUTE 229 AND 211
AREA. TWO HOUSES DAMAGED.
0345 PM SOUTH PORTION VA TORNADO
09/24/01 ORANGE SPOTTED ON ROUTE 33.
REPORTED BY EMERGENCY
MANAGEMENT.
0355 PM 1 W THE PLAINS VA TORNADO
09/24/01 FAUQUIER SPOTTER REPORTED TORNADO
AND SWIRLING DEBRIS.
0450 PM FRANCONIA VA TORNADO
09/24/01 FAIRFAX RESTAURANT ROOF DAMAGED.
TREES DOWN. REPORTED BY
911.
0450 PM SPRINGFIELD VA TORNADO
09/24/01 FAIRFAX TORNADO SPOTTED NEAR
SPRINGFIELD METRO AT
FRANCONIA PARKWAY.
0500 PM SHIRLINGTON VA TORNADO
09/24/01 ARLINGTON WINDOWS BLOWN OUT AT
RESTAURANT. REPORTED BY
MEDIA.
0502 PM ARLINGTON VA TORNADO
09/24/01 ARLINGTON TORNADO SPOTTED BY
NATIONAL AIRPORT WEATHER
OBSERVER. ANOTHER SPOTTER
SAW TORNADO SOUTH OF
PENTAGON NEAR I-395.
0503 PM CRYSTAL CITY VA TORNADO
09/24/01 ARLINGTON NATIONAL AIRPORT SPOTTER
SAW TORNADO TOUCH DOWN IN
CRYSTAL CITY.
0506 PM DISTRICT OF COLUMBIA DC TORNADO
09/24/01 DISTRICT OF COLUMBIA FUNNEL CLOUD SPOTTED NEAR
14TH STREET BRIDGE.
0520 PM LAUREL MD TORNADO
09/24/01 PRINCE GEORGES LARGE TREES DOWN NEAR
LAUREL HOSPITAL. REPORTED
BY SPOTTER.
0520 PM BELTSVILLE MD TORNADO
09/24/01 PRINCE GEORGES WIDESPREAD DAMAGE REPORTED
NEAR ROUTE 1 AND BELTWAY
AND CHERRY HILL ROAD. TOWER
BENT. TREES ON HOUSES.
TRACTOR TRAILER BLOWN OVER.
POWER POLES SNAPPED.
0524 PM COLLEGE PARK MD TORNADO
09/24/01 PRINCE GEORGES *** 2 DEAD ***
HEAVY DAMAGE IN UNIVERSITY
OF MARYLAND AREA AND ROUTE
1 COORIDOR. TWO PEOPLE WERE
KILLED WHEN THEIR CAR WAS
FLIPPED OVER.
0545 PM NORTH LAUREL MD TORNADO
09/24/01 HOWARD 30 TOWNHOUSES DAMAGED IN
SAVAGE AND LAUREL AREA.
REPORTED BY 911.
0655 PM LEESBURG VA FLASH FLOODS
09/24/01 LOUDOUN ROUTE 7 BYPASS AT SYCOLYN
ROAD FLOODED. MILE MARKER 8
WESTBOUND GREENWAY FLOODED.
REPORTED BY SKYWARN.
MKMThe office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 24, 9:06 PM EDT | Flash Flood Warning | LWX | Montgomery | 114 min |
Nearby
Flash Flood Warnings in Virginia, 2001Flash Flood Warnings in Maryland, 2001Every flash flood warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.