Alert archive / Maryland / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 13, NWS Baltimore/Washington

April 24, 1991Queen Anne's County, Talbot County, Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Apr 24, 1991, 1:18 PM EDT for Queen Anne's County, Talbot County, Maryland. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Apr 24, 1991, 1:18 PM EDT (17:18 UTC)
Expired
Apr 24, 1991, 2:15 PM EDT
In force
57 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

Counties Queen Anne's County, MD, Talbot County, MD

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 5.3 hours before the alert went out and 125 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, Wallops Is Stn, VA at 12:00Z on 1991-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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, Wallops Is Stn, VA at 12:00Z on 1991-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 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
113 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
948 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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
Apr 24, 1:18 PM EDTSevere Thunderstorm WarningLWXBaltimore, Harford57 min
Apr 24, 1:51 PM EDTSevere Thunderstorm WarningLWXCity of Baltimore24 min
Apr 24, 3:03 PM EDTSevere Thunderstorm WarningLWXCaroline, Queen Anne's57 min

Nearby

Severe Thunderstorm Warnings in Maryland, 1991Every severe thunderstorm warning in 1991

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.