Alert archive / Maryland / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 68, NWS Wakefield, VA

May 23, 2019Dorchester County, Maryland

NWS Wakefield, VA issued this severe thunderstorm warning at May 23, 2019, 4:34 PM EDT for Dorchester County, Maryland. It was in force for 56 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
May 23, 2019, 4:34 PM EDT (20:34 UTC)
Expired
May 23, 2019, 5:30 PM EDT
In force
56 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Dorchester County, MD

The radar

The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 20:34 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 23, 3:05 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.6 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, Wallops Is Stn, VA at 12:00Z on 2019-05-23Temperature 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, Wallops Is Stn, VA at 12:00Z on 2019-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1760 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
313 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 3:59 AM EDTSmall Craft AdvisoryAKQ21 hr
May 23, 3:41 PM EDTSpecial Weather StatementAKQSpotsylvania49 min
May 23, 4:18 PM EDTSpecial Weather StatementAKQCaroline, Westmoreland42 min
May 23, 4:23 PM EDTSevere Thunderstorm WarningAKQCaroline, Essex, Richmond, Westmoreland42 min
May 23, 5:01 PM EDTSpecial Weather StatementAKQEssex, Northumberland, Richmond, Westmoreland44 min
May 23, 5:10 PM EDTSpecial Marine WarningAKQ79 min
May 23, 5:16 PM EDTSpecial Weather StatementAKQAccomack44 min
May 23, 5:31 PM EDTSpecial Marine WarningAKQ89 min
May 23, 4:21 PM EDTSpecial Weather StatementAKQDorchester39 min
May 23, 5:49 PM EDTSpecial Weather StatementAKQSomerset, Wicomico, Worcester41 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2019Every severe thunderstorm warning in 2019

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.