Alert archive / Maryland / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 6, NWS Philadelphia/Mount Holly

April 1, 2023Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 1, 2023, 5:34 PM EDT for Kent County, Queen Anne's County, Maryland. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 1, 2023, 5:34 PM EDT (21:34 UTC)
Expired
Apr 1, 2023, 6:00 PM EDT
In force
26 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

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

The radar

The Dover AFB radar (KDOX), 75 km from the middle of the area, began a volume at 21:34 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
Apr 1, 5:30 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.6 hours before the alert went out and 123 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 12:00Z on 2023-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2023-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 448 square meters per square second.1939587897117Sfc1 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
648 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
448 m²/s²
0-3 km storm-relative helicity
443 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

384 
WUUS51 KPHI 012134
SVRPHI
MDC029-035-012200-
/O.NEW.KPHI.SV.W.0006.230401T2134Z-230401T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
534 PM EDT Sat Apr 1 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  North central Queen Anne's County in northeastern Maryland...
  Kent County in northeastern Maryland...

* Until 600 PM EDT.

* At 533 PM EDT, a severe thunderstorm was located near Langford, or
  13 miles east of Millers Island, moving northeast at 60 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Chestertown, Rock Hall, Millington, Betterton, Newtown, Morgnec,
  Massey, Crumpton, Kennedyville, Langford, Galena and Kingstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for central and
northern Delaware...and northeastern Maryland.

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 1000 PM EDT for central and
northern Delaware...and northeastern Maryland.

&&

LAT...LON 3926 7622 3929 7617 3932 7618 3934 7616
      3933 7614 3937 7611 3937 7599 3936 7598
      3937 7595 3936 7588 3938 7582 3930 7576
      3927 7576 3914 7624 3918 7626
TIME...MOT...LOC 2133Z 244DEG 52KT 3924 7617 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MLB
2 follow-up statements
416 
WWUS51 KPHI 012146
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
546 PM EDT Sat Apr 1 2023

MDC029-035-012200-
/O.CON.KPHI.SV.W.0006.000000T0000Z-230401T2200Z/
Queen Anne's MD-Kent MD-
546 PM EDT Sat Apr 1 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTH CENTRAL QUEEN ANNE'S AND NORTHEASTERN KENT COUNTIES...

At 546 PM EDT, a severe thunderstorm was located over Kennedyville,
or 13 miles southeast of Aberdeen Proving Ground, moving northeast at
60 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Millington, Morgnec, Massey, Crumpton, Kennedyville, Galena and
Kingstown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for central and
northern Delaware...and northeastern Maryland.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3933 7609 3937 7599 3936 7598 3937 7595
      3936 7588 3938 7582 3930 7576 3927 7576
      3920 7602
TIME...MOT...LOC 2146Z 244DEG 52KT 3932 7595 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MLB
517 
WWUS51 KPHI 012154
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
554 PM EDT Sat Apr 1 2023

MDC029-035-012203-
/O.EXP.KPHI.SV.W.0006.000000T0000Z-230401T2200Z/
Queen Anne's MD-Kent MD-
554 PM EDT Sat Apr 1 2023

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL QUEEN ANNE'S AND
NORTHEASTERN KENT COUNTIES WILL EXPIRE AT 600 PM EDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
this thunderstorm.

A Tornado Watch remains in effect until 1000 PM EDT for central and
northern Delaware...and northeastern Maryland.

LAT...LON 3933 7609 3937 7599 3936 7598 3937 7595
      3936 7588 3938 7582 3930 7576 3927 7576
      3920 7602
TIME...MOT...LOC 2153Z 244DEG 52KT 3936 7585 

$$

MLB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 5:13 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot32 min
Apr 1, 5:38 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot37 min
Apr 1, 6:58 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's47 min
Apr 1, 7:20 PM EDTSevere Thunderstorm Warning Considerable damage threatPHICaroline, Kent, Queen Anne's, Talbot40 min
Apr 1, 7:36 PM EDTSevere Thunderstorm Warning Considerable damage threatPHICaroline, Queen Anne's, Talbot39 min
Apr 1, 7:50 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot40 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2023Every severe thunderstorm warning in 2023

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.