Alert archive / Maryland / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 26, NWS Philadelphia/Mount Holly

May 21, 1996Caroline County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 21, 1996, 7:16 PM EDT for Caroline County, Talbot County, Maryland. It was in force for 44 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 21, 1996, 7:16 PM EDT (23:16 UTC)
Expired
May 21, 1996, 8:00 PM EDT
In force
44 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Caroline County, MD, Talbot County, MD

What was reported inside it

TimeReportWhereRemark
May 21, 7:25 PM EDTThunderstorm WindQueen Anne, MD
May 21, 7:35 PM EDTThunderstorm WindGreensboro, MD

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.3 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, Wallops Is Stn, VA at 12:00Z on 1996-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 559 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 1996-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 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
559 J/kg
Mixed-layer CIN
-302 J/kg
Mixed-layer LCL
1763 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
-28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPHL 212319
SVRPHL
MDC011-041-220000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ
716 PM EDT TUE MAY 21 1996
 
THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  MARYLAND
 
   ...CAROLINE COUNTY...NORTHERN TALBOT COUNTY
 
AT 715 PM...NATIONAL WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER
SOUTHERN QUEEN ANNE'S COUNTY. THIS STORM IS MOVING EAST AT 35 MPH AND IS
LIKELY PRODUCING LARGE HAIL AND STRONG DAMAGING WINDS.
 
THIS IS A DANGEROUS STORM.  PREPARE FOR STRONG DAMAGING WINDS...
LARGE HAIL...HEAVY RAIN0S AND DEADLY LIGHTNING.  SHOULD THE STORM
APPROACH MOVE INSIDE QUICKLY. DO NOT STAND NEAR WINDOWS.  MOBILE
HOMES ARE MOST VULNERABLE TO HIGH WINDS AND SHOULD BE AVOIDED.

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 21, 6:46 PM EDTSevere Thunderstorm WarningPHIQueen Anne's44 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.