Alert archive / West Virginia / Flash Flood Warnings in 1996

Flash Flood Warning 124, NWS Baltimore/Washington

July 30, 1996Jefferson County, West Virginia

NWS Baltimore/Washington issued this flash flood warning at Jul 30, 1996, 7:57 PM EDT for Jefferson County, West Virginia. It was in force for 48 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
Jul 30, 1996, 7:57 PM EDT (23:57 UTC)
Expired
Jul 30, 1996, 8:45 PM EDT
In force
48 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Jefferson County, WV

The radar

The Sterling radar (KLWX), 49 km from the middle of the area, began a volume at 23:55 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 12.0 hours before the alert went out and 153 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, Phillips Aaf/Abe, MD at 12:00Z on 1996-07-30Temperature 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, Phillips Aaf/Abe, MD at 12:00Z on 1996-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
685 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Jul 30, 5:38 PM EDTFlash Flood WarningLWXFrederick62 min
Jul 30, 5:38 PM EDTSevere Thunderstorm WarningLWXFrederick62 min
Jul 30, 7:29 PM EDTSevere Thunderstorm WarningLWXFrederick31 min
Jul 30, 5:28 PM EDTFlash Flood WarningLWXFrederick62 min
Jul 30, 5:28 PM EDTSevere Thunderstorm WarningLWXFrederick62 min
Jul 30, 5:50 PM EDTFlash Flood WarningLWXWashington40 min
Jul 30, 5:50 PM EDTSevere Thunderstorm WarningLWXWashington40 min
Jul 30, 7:06 PM EDTFlash Flood WarningLWXAllegany2 hr
Jul 30, 7:06 PM EDTFlash Flood WarningLWXFrederick2 hr
Jul 30, 4:55 PM EDTFlash Flood WarningLWXBerkeley65 min
Jul 30, 4:55 PM EDTSevere Thunderstorm WarningLWXBerkeley65 min
Jul 30, 7:06 PM EDTFlash Flood WarningLWXJefferson2 hr
Jul 30, 7:25 PM EDTSevere Thunderstorm WarningLWXHampshire, Morgan50 min
Jul 30, 7:34 PM EDTSevere Thunderstorm WarningLWXBerkeley41 min
Jul 30, 7:57 PM EDTSevere Thunderstorm WarningLWXJefferson48 min

Nearby

Flash Flood Warnings in West Virginia, 1996Every flash flood warning in 1996

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.