Alert archive / Virginia / Flash Flood Warnings in 1998

Flash Flood Warning 13, NWS Baltimore/Washington

January 8, 19984 counties in Virginia

NWS Baltimore/Washington issued this flash flood warning at Jan 8, 1998, 9:08 AM EST for 4 counties in Virginia. It was in force for 4 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
Jan 8, 1998, 9:08 AM EST (14:08 UTC)
Expired
Jan 8, 1998, 1:00 PM EST
In force
4 hr
Issued by
NWS Baltimore/Washington
Area
Whole counties

Counties Page County, VA, Rockingham County, VA, Shenandoah County, VA, Warren County, VA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 2.1 hours before the alert went out and 101 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 12:00Z on 1998-01-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 12:00Z on 1998-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 333 square meters per square second.1939587897Sfc1 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
54 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
642 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
333 m²/s²
0-3 km storm-relative helicity
438 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KWBC 081408
FFWWBC
MDC021-VAC015-043-107-125-139-165-171-187-WVC037-081800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STERLING VA
908 AM EST THU JAN 8 1998

THE NATIONAL WEATHER SERVICE IN STERLING VA HAS ISSUED A

* FLASH FLOOD WARNING FOR:

 JEFFERSON COUNTY WEST VIRGINIA UNTIL 100 PM.

A FLASH FLOOD WARNING HAS BEEN EXTENDED FOR THE FOLLOWING
LOCATIONS:

  FREDERICK COUNTY - WEST CENTRAL MARYLAND
  EASTERN AUGUSTA COUNTY - WEST CENTRAL VIRGINIA
  EASTERN ROCKINGHAM COUNTY - NORTHWESTERN VIRGINIA
  SHENANDOAH COUNTY - NORTHWESTERN VIRGINIA
  PAGE COUNTY - NORTHWESTERN VIRGINIA
  WARREN COUNTY - NORTHWESTERN VIRGINIA
  CLARKE COUNTY - NORTHWESTERN VIRGINIA
  NELSON COUNTY - WEST CENTRAL VIRGINIA
  LOUDOUN COUNTY - NORTHERN VIRGINIA

* UNTIL 100 PM EST

INTERMITTENT HEAVY RAIN WILL CONTINUE TO CAUSE FLOODING OF
SECONDARY ROADS AND SMALL STREAMS AND CREEKS THROUGH EARLY
AFTERNOON.  IN THE HEAVIEST RAIN BANDS AMOUNTS MAY APPROACH 2
INCHES PER HOUR.

DOZENS OF SECONDARY ROADS REMAIN CLOSED IN THE WARNED AREA...AND
MORE WILL LIKELY BECOME IMPASSIBLE LATER THIS MORNING.  SCHOOLS
HAVE CLOSED FOR THE DAY IN HIGHLAND COUNTY VIRGINIA.

RESIDENTS ARE URGED TO USE EXTREME CAUTION LATER THIS MORNING AS
CONDITIONS CONTINUE TO DETERIORATE.

AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS... AND BE PREPARED
TO MOVE TO HIGHER GROUND... SHOULD FLOOD WATERS THREATEN. IF FLASH
FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

GOLDSMITH

&

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 3:43 AM ESTFlash Flood WarningLWXAlbemarle, Augusta, Nelson, Rockingham5 hr
Jan 8, 3:43 AM ESTFlash Flood WarningLWXCity of Staunton5 hr
Jan 8, 3:43 AM ESTFlash Flood WarningLWXCity of Harrisonburg5 hr
Jan 8, 3:43 AM ESTFlash Flood WarningLWXPage5 hr
Jan 8, 3:43 AM ESTFlash Flood WarningLWXHighland5 hr
Jan 8, 3:43 AM ESTFlash Flood WarningLWXCity of Waynesboro5 hr
Jan 8, 6:27 AM ESTFlash Flood WarningLWXShenandoah3 hr
Jan 8, 6:57 AM ESTFlash Flood WarningLWXLoudoun2 hr
Jan 8, 6:57 AM ESTFlash Flood WarningLWXClarke2 hr
Jan 8, 8:13 AM ESTFlash Flood WarningLWXAlbemarle, Greene3 hr
Jan 8, 8:13 AM ESTFlash Flood WarningLWXCulpeper, Fauquier, Rappahannock3 hr
Jan 8, 8:13 AM ESTFlash Flood WarningLWXMadison3 hr
Jan 8, 9:08 AM ESTFlash Flood WarningLWXAugusta, Nelson4 hr
Jan 8, 9:08 AM ESTFlash Flood WarningLWXClarke, Loudoun4 hr
Jan 8, 11:02 AM ESTFlash Flood WarningLWXCulpeper, Greene, Madison, Rappahannock118 min
Jan 8, 11:02 AM ESTFlash Flood WarningLWXAlbemarle118 min
Jan 8, 11:02 AM ESTFlash Flood WarningLWXFauquier118 min

Nearby

Flash Flood Warnings in Virginia, 1998Every flash flood warning in 1998

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.