Alert archive / Maryland / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 49, NWS Baltimore/Washington

June 12, 1996Frederick County, Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 12, 1996, 2:36 PM EDT for Frederick County, Maryland. It was in force for 54 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 12, 1996, 2:36 PM EDT (18:36 UTC)
Expired
Jun 12, 1996, 3:30 PM EDT
In force
54 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Frederick County, MD

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.6 hours before the alert went out and 111 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 1996-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 801 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, Phillips Aaf/Abe, MD at 12:00Z on 1996-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
801 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
635 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

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 12, 2:25 PM EDTSevere Thunderstorm WarningLWXLoudoun50 min
Jun 11, 8:15 PM EDTTornado WarningLWXCharles30 min
Jun 11, 8:26 PM EDTSevere Thunderstorm WarningLWXWashington49 min
Jun 12, 5:05 PM EDTFlash Flood WarningLWXHarford115 min
Jun 12, 5:09 PM EDTFlash Flood WarningLWXMontgomery66 min

Nearby

Severe Thunderstorm Warnings in Maryland, 1996Every severe thunderstorm 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.