Alert archive / Virginia / Flash Flood Warnings in 2001
Flash Flood Warning 2, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Mar 21, 2001, 5:35 PM EST for 10 counties in Virginia. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 21, 2001, 5:35 PM EST (22:35 UTC)
- Expired
- Mar 21, 2001, 8:30 PM EST
- In force
- 3 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
Counties Albemarle County, VA, Augusta County, VA, City of Harrisonburg, VA, Greene County, VA, Madison County, VA, Nelson County, VA, Page County, VA, Rockingham County, VA, Shenandoah County, VA, Warren County, VA
The radar
The Sterling radar (KLWX), 118 km from the middle of the area, began a volume at 22:34 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 12:00Z, 10.6 hours before the alert went out and 123 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 480 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 402 m²/s²
- 0-3 km storm-relative helicity
- 688 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 212239 FFWWBC VAC003-015-079-113-125-139-165-171-187-660-220130- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 535 PM EST WED MAR 21 2001 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * FLASH FLOOD WARNING FOR... ALBEMARLE COUNTY IN CENTRAL VIRGINIA GREENE COUNTY IN CENTRAL VIRGINIA NELSON COUNTY IN CENTRAL VIRGINIA MADISON COUNTY IN NORTHWEST VIRGINIA PAGE COUNTY IN NORTHWEST VIRGINIA SHENANDOAH COUNTY IN NORTHWEST VIRGINIA WARREN COUNTY IN NORTHWEST VIRGINIA AUGUSTA COUNTY IN WESTERN VIRGINIA CITY OF HARRISONBURG IN WESTERN VIRGINIA ROCKINGHAM COUNTY IN WESTERN VIRGINIA * UNTIL 830 PM EST * AT 530 PM EST RADAR INDICATES ADDITIONAL RAINFALL WILL BE FALLING ACROSS THESE AREAS BETWEEN 630 AND 830 PM. AUTOMATED RAINFALL GAGES INDICATE RAINFALL AMOUNTS ACROSS THESE AREAS HAVE EXCEEDED FLASH FLOOD GUIDANCE FOR THE PAST 12 AND 24 HOUR PERIODS. ALTHOUGH SOME RIVERS ARE BEGINNING TO RECEDE IT IS EPXECTED THEY WILL RISE ONCE AGAIN WITH THE ADDITIONAL RAINFALL. 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. PAP/HTS
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 Mar 21, 3:55 PM EST, 1 hour 40 minutes earlier.
Area forecast discussion, Mar 21, 3:55 PM EST, 1 hour 40 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 355 PM EST WED MAR 21 2001 WINTR WX ADVSRY AND WNTR STRM WARNING WILL BE ALLOWED TO EXPIRE WITH THIS PACKAGE. ACCUM SNOWS ON THE RIDGES SHOULD BE DONE FOR NOW. MAIN PRECIP SHIELD IS MOVING TO OUR N...BUT PLENTY OF SHRA STILL LEFT TO OUR S. WILL GO LIKELY TNT AS THESE SLIDE OVER. WRAPAROUND COULD STILL INSPIRE SOME SHRA IN THE AM THU...BUT THEN SOME CLEARING THURS AFTERNOON. GRADIENT HOLDS TNT AND THUR...SO DON/T SEE WINDS GOING ANYWHERE TNT AND THURS. WILL HOLD 20 TO 30 FOR BOTH PERIODS. WITH WET GROUND AND BREEZY CONDITIONS THERE HAVE BEEN SOME REPRTS OF SCATTERED POWR OUTAGES AND TREE DAMAGE TODAY. FRI LOOKS GOOD WITH HIGHS NEAR 60...65 IN CENTRL VA AND MSUNNY SKIES. THEN A CLIPPR COMES THRU SAT MORN. MAIN VORT PASSES TO OUR N SO DON/T EXPCT ANYTHING OTHER THAN 20 POP NEEDED...BUT TMPS WILL FALL. 850MB TMPS GO DOWN TO -12. SINCE THE COLD AIR TRIES TO COME IN DURING THE DAYTIME...THINK SAT WILL STILL BE SEASONABLE FOR TMPS...BUT BREEZY. THEN SUN...IT WILL BE COOL AND BREEZY. CHC OF SHSN IN THE MNTS BOTH DAYS. HIGH MOVES IF FOR MON INTO TUE...THEN WK COLD FRONT LATE TUE WITH NOT MUCH TO OFFER. RH AND ENERGY WILL PASS EVEN A BIT FURTHER TO OUR N. CS FCSTID = 78 DCA 43 50 35 60 / 70 40 0 0 BWI 41 48 32 60 / 70 50 0 0 MRB 40 47 32 60 / 70 30 0 0 IAD 41 50 33 60 / 70 40 0 0 CHO 40 55 33 65 / 70 60 0 0 HGR 40 47 32 60 / 70 30 0 0 NHK 41 50 33 60 / 70 40 0 0 .LWX... DC...NONE. MD...SMALL CRAFT ADVISORY FOR MD CHESAPEAKE BAY AND TIDAL POTOMAC. VA...NONE. WV...NONE.
In the hours before
Special weather statement, Mar 21, 2:35 PM EST, 3 hours before
DCZ001-MDZ007-011-013-014-016>018-VAZ052>055-057- ANZ530-531-532-533-534-535-536-537-220200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 235 PM EST WED MAR 21 2001 ...MINOR COASTAL FLOODING POSSIBLE NEAR THE TIMES OF HIGH TIDE THIS EVENING... LOW PRESSURE OVER EASTERN NORTH CAROLINA WILL MOVE NORTHEAST TO A POSITION OFF THE DELMARVA COAST TONIGHT AND CONTINUE TO A POSITION OFF THE NEW ENGLAND COAST ON THURSDAY. THE LOW IS PRODUCING EAST AND NORTHEAST WINDS OF 20 TO 30 KNOTS WITH HIGHER GUSTS. THESE STRONG ONSHORE WINDS ARE PRODUCING TIDES OF 1 TO 2 FEET ABOVE NORMAL. THIS COMBINED WITH ASTRONOMICALLY HIGH TIDES MAY PRODUCE SOME SHALLOW MINOR COASTAL FLOODING AT THE TIME OF HIGH TIDE THIS AFTERNOON AND EVENING ALONG THE WESTERN SHORE OF THE CHESAPEAKE BAY AND ON PORTIONS OF THE POTOMAC RIVER. HIGH TIDES WILL OCCUR AT WASHINGTON DC AT 6:01 THIS EVENING. HIGH q TIDE AT BALTIMORE WILL OCCUR AT 4:57 THIS AFTERNOON. FOR ADDITIONAL WEATHER INFORMATION...LISTEN TO NOAA WEATHER RADIO OR VISIT OUR WEB SITE AT HTTP://WWW.NWS.NOAA.GOV/ER/LWX. WALSTON
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 1:48 PM EST | Flash Flood Warning | LWX | Augusta, Madison, Page, Rappahannock, Shenandoah, Warren and 2 more | 2 hr |
| Mar 21, 5:56 PM EST | Flash Flood Warning | LWX | Frederick, City of Winchester | 3 hr |
Nearby
Flash Flood Warnings in Virginia, 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.