Alert archive / Maryland / Flash Flood Warnings in 1996

Flash Flood Warning 63, NWS Baltimore/Washington

June 17, 1996Montgomery County, Maryland

NWS Baltimore/Washington issued this flash flood warning at Jun 17, 1996, 11:57 PM EDT for Montgomery County, Maryland. It was in force for 2 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 17, 1996, 11:57 PM EDT (03:57 UTC)
Expired
Jun 18, 1996, 2:00 AM EDT
In force
2 hr
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Montgomery County, MD

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 4.0 hours before the alert went out and 27 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 00:00Z on 1996-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1713 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1996-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
1713 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1301 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.1

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
Jun 18, 2:49 PM EDTFlash Flood WarningLWXAlbemarle71 min
Jun 18, 2:49 PM EDTSevere Thunderstorm WarningLWXAlbemarle71 min
Jun 18, 3:14 PM EDTFlash Flood WarningLWXRockingham61 min
Jun 18, 3:14 PM EDTSevere Thunderstorm WarningLWXRockingham61 min
Jun 18, 3:49 PM EDTFlash Flood WarningLWXOrange101 min
Jun 18, 4:24 PM EDTFlash Flood WarningLWXShenandoah81 min
Jun 18, 5:42 PM EDTFlash Flood WarningLWXSpotsylvania78 min
Jun 17, 9:36 PM EDTFlash Flood WarningLWXFrederick69 min
Jun 17, 10:17 PM EDTFlash Flood WarningLWXBaltimore, City of Baltimore103 min
Jun 17, 11:57 PM EDTFlash Flood WarningLWXAnne Arundel, Prince George's2 hr
Jun 18, 3:20 PM EDTFlash Flood WarningLWXHardy100 min

Nearby

Flash Flood Warnings in Maryland, 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.