Alert archive / Virginia / Flash Flood Warnings in 2001

Flash Flood Warning 11, NWS Baltimore/Washington

June 13, 2001Rockingham County, Virginia; Pendleton County, West Virginia

NWS Baltimore/Washington issued this flash flood warning at Jun 13, 2001, 1:53 PM EDT for Rockingham County, Virginia; Pendleton County, West 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
Jun 13, 2001, 1:53 PM EDT (17:53 UTC)
Expired
Jun 13, 2001, 5:00 PM EDT
In force
3 hr
Issued by
NWS Baltimore/Washington
Area
Whole counties

Counties Rockingham County, VA, Pendleton County, WV

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 5.9 hours before the alert went out and 159 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, Roanoke, VA at 12:00Z on 2001-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 457 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, Roanoke, VA at 12:00Z on 2001-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 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
457 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
1 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.

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 13, 9:45 AM EDT, 4 hours 8 minutes earlier.

Area forecast discussion, Jun 13, 9:45 AM EDT, 4 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
945 AM EDT WED JUN 13 2001

WILL DO SOME MINOR CHANGES TO WORDING TODAY AND WILL UP THE TEMPS
SLIGHTLY IN THE WEST. OTHERWISE CURRENT FORECAST LOOKS ON TRACK.

.LWX...
DC...HEAT ADVISORY FOR TODAY FOR ZONE DCZ001.

MD...HEAT ADVISORY FOR TODAY FOR ZONES MDZ002>007...MDZ009>011...
MDZ013>014...MDZ016>018.

VA...HEAT ADVISORY FOR TODAY FOR ZONES VAZ021...VAZ025>03a1...
VAZ036>042...VAZ050>057.

WV...HEAT ADVISORY FOR TODAY FOR ZONES WVZ048>055.

Nearby

Flash Flood Warnings in Virginia, 2001Flash 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.