Alert archive / Maryland / Flash Flood Warnings in 1996

Flash Flood Warning 71, NWS Baltimore/Washington

June 19, 1996Washington County, Maryland

NWS Baltimore/Washington issued this flash flood warning at Jun 19, 1996, 12:59 AM EDT for Washington County, Maryland. It was in force for 86 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
Jun 19, 1996, 12:59 AM EDT (04:59 UTC)
Expired
Jun 19, 1996, 2:25 AM EDT
In force
86 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Washington County, MD

The radar

The Sterling radar (KLWX), 75 km from the middle of the area, began a volume at 04:59 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 00:00Z, 5.0 hours before the alert went out and 81 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 1996-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 512 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 00:00Z on 1996-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 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
512 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
912 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.8

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 19, 2:42 PM EDTFlash Flood WarningLWXPage, Rockingham2 hr
Jun 19, 4:41 PM EDTFlash Flood WarningLWXAugusta2 hr
Jun 19, 4:47 PM EDTFlash Flood WarningLWXRockingham118 min
Jun 19, 5:44 PM EDTFlash Flood WarningLWXAlbemarle, Orange2 hr
Jun 19, 5:44 PM EDTFlash Flood WarningLWXNelson2 hr
Jun 19, 5:44 PM EDTFlash Flood WarningLWXCity of Charlottesville2 hr
Jun 19, 7:35 PM EDTFlash Flood WarningLWXHighland3 hr
Jun 19, 7:47 PM EDTFlash Flood WarningLWXAlbemarle, Orange118 min
Jun 19, 7:47 PM EDTFlash Flood WarningLWXNelson118 min
Jun 19, 12:59 AM EDTFlash Flood WarningLWXCarroll, Frederick86 min
Jun 19, 5:09 AM EDTFlash Flood WarningLWXCarroll, Frederick, Montgomery86 min
Jun 19, 6:37 AM EDTFlash Flood WarningLWXCarroll, Frederick, Montgomery113 min
Jun 19, 6:37 AM EDTFlash Flood WarningLWXWashington113 min
Jun 19, 7:36 AM EDTFlash Flood WarningLWXHoward94 min
Jun 19, 11:33 AM EDTFlash Flood WarningLWXBaltimore, Howard2 hr
Jun 19, 11:33 AM EDTFlash Flood WarningLWXCity of Baltimore2 hr
Jun 19, 1:50 PM EDTFlash Flood WarningLWXBaltimore, City of Baltimore115 min
Jun 19, 4:58 PM EDTFlash Flood WarningLWXAnne Arundel2 hr
Jun 19, 12:39 PM EDTFlash Flood WarningLWXPendleton116 min
Jun 19, 4:21 PM EDTFlash Flood WarningLWXHampshire, Hardy2 hr

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; radar from the NEXRAD Level II archive.