Alert archive / Virginia / Flash Flood Warnings in 1995

Flash Flood Warning 15, NWS Baltimore/Washington

November 11, 1995Page County, Shenandoah County, Warren County, Virginia

NWS Baltimore/Washington issued this flash flood warning at Nov 11, 1995, 5:23 PM EST for Page County, Shenandoah County, Warren County, Virginia. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Nov 11, 1995, 5:23 PM EST (22:23 UTC)
Expired
Nov 11, 1995, 6:15 PM EST
In force
52 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

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

The radar

The Sterling radar (KLWX), 83 km from the middle of the area, began a volume at 22:40 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, 10.4 hours before the alert went out and 90 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 1995-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 217 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
746 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
217 m²/s²
0-3 km storm-relative helicity
262 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 5:23 PM ESTSevere Thunderstorm WarningLWXPage, Shenandoah, Warren52 min
Nov 11, 5:09 PM ESTSevere Thunderstorm WarningLWXWashington36 min

Nearby

Flash Flood Warnings in Virginia, 1995Every flash flood warning in 1995

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.