Alert archive / West Virginia / Flash Flood Warnings in 2001

Flash Flood Warning 9, NWS Baltimore/Washington

June 7, 2001Mineral County, West Virginia; Allegany County, Maryland

NWS Baltimore/Washington issued this flash flood warning at Jun 7, 2001, 3:34 AM EDT for Mineral County, West Virginia; Allegany County, Maryland. It was in force for 116 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, 3:34 AM EDT (07:34 UTC)
Expired: Jun 7, 2001, 5:30 AM EDT
In force: 116 min
Issued by: NWS Baltimore/Washington
Area: Whole counties

Counties Allegany County, MD, Mineral County, WV

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 7.6 hours before the alert went out and 138 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 070734
FFWLWX
MDC001-WVC057-070930-

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

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MINERAL COUNTY IN EASTERN WEST VIRGINIA
  ALLEGANY COUNTY IN WESTERN MARYLAND

* UNTIL 530 AM EDT

* AT 330 AM EDT... HEAVY RAINFALL WAS MOVING EAST ACROSS THE AREA.

A BAND OF HEAVY RAIN WAS REMAINING OVER MINERAL AND ALLEGANY 
COUNTIES. THIS BAND WILL MOVE EAST OF THE AREA BETWEEN 4 AND 5 
AM...BUT SOME LOW LYING AREAS AND ROADS WILL FLOOD AND THERE WILL BE 
SOME BASEMENT FLOODING.

EMERGENCY MANAGERS REPORTED FLOODING WAS BEGINNING TO OCCUR ON 
SECTIONS OF US ROUTE 220...AND AROUND THE TOWNS OF FORT 
ASHBY...WESTERNPORT...AND RAWLINGS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODIN?G 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, 5 hours 54 minutes earlier.

Area forecast discussion, Jun 6, 9:40 PM EDT, 5 hours 54 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.

Issued	Product	Office	Counties	Lasted
Jun 7, 3:50 AM EDT	Flash Flood Warning	LWX	Berkeley	115 min

Nearby

Flash Flood Warnings in West Virginia, 2001 Flash Flood Warnings in Maryland, 2001 Every 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.