Alert archive / West Virginia / Flash Flood Warnings in 2001

Flash Flood Warning 10, NWS Baltimore/Washington

June 7, 2001Berkeley County, West Virginia

NWS Baltimore/Washington issued this flash flood warning at Jun 7, 2001, 3:50 AM EDT for Berkeley County, West Virginia. It was in force for 115 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
Jun 7, 2001, 3:50 AM EDT (07:50 UTC)
Expired
Jun 7, 2001, 5:45 AM EDT
In force
115 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Berkeley County, WV

The radar

The Sterling radar (KLWX), 71 km from the middle of the area, began a volume at 08:01 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, 7.8 hours before the alert went out and 79 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2001-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 138 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2001-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
138 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KLWX 070756
FFWLWX
WVC003-070945-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
350 AM EDT THU JUN 7 2001

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BERKELEY COUNTY IN THE PANHANDLE OF WEST VIRGINIA

* UNTIL 545 AM EDT

* AT 350 AM EDT... VERY HEAVY RAINFALL WAS MOVING EAST ACROSS THE 
  COUNTY.

A BAND OF HEAVY RAIN WAS REMAINING OVER BERKELEY COUNTY. THIS BAND 
WILL MOVE EAST OF THE AREA BETWEEN 5 AND 6 AM...BUT MANY LOW LYING 
AREAS AND ROADS WILL FLOOD AND THERE WILL BE SOME BASEMENT FLOODING.

MARTINSBURG HAS REPORTED NEARLY TWO INCHES OF RAIN OVERNIGHT...AN 
INCH OF WHICH FELL BETWEEN 2 AND 4 THIS MORNING. ANOTHER INCH IS 
LIKELY BEFORE THE RAIN ENDS.

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.

$$
STRONG/MMARGRAF

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 Jun 6, 9:40 PM EDT, 6 hours 10 minutes earlier.

Area forecast discussion, Jun 6, 9:40 PM EDT, 6 hours 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
940 PM EDT WED JUN 6 2001

SCT SHRA/S WERE MOVG ACRS NRN FA AT 01Z. AN AREA OF SHRA/S AND
TSRA/S WERE MOVG E TWD FA FM WV. EXPECT PCPN CVRG TO CONT INCRG OVR
FA DUR NXT COUPLE OF HRS. THE OHP PRODUCT FM KRLX SHOWED MAINLY
LIGHT PCPN W/FEW ISOLD 1 INCH AMTS...SO NO NEED FOR FFA AT THIS
TIME.

PCPN WAS MOVG E ALG STNRY BDRY WHICH EXTENDED FM SRN OH VLLY THRU
NRN ERN WV PANHANDLE INTO NRN PIEDMONT OF VA. TSRAS AND ENHANCED
RAFL WERE ASSOCD W/WVS OF LOW PRES MOVG ALG FRONT. WL RAISE POPS TO
LIKELY OVR MOST AREAS TO ACCT FOR MORE SOLID AREA OF PCPN MOVG INTO
FA FM THE W.

SOME LOCALES FELL INTO ONLY THE U60S LAST NGT SO WL AGN OPEN UP MIN
TEMP RANGE.

NO OTHER CHGS.

.LWX...
DC...NONE.
MD...NONE.
VA...NONE.
WV...NONE.

ARTHUR

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 3:34 AM EDTFlash Flood WarningLWXMineral116 min

Nearby

Flash Flood Warnings in West 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.