Alert archive / Maryland / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 24, NWS Philadelphia/Mount Holly

April 6, 2023Caroline County, Queen Anne's County, Talbot County, Maryland; Kent County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 6, 2023, 7:50 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland; Kent County, Delaware. It was in force for 40 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 6, 2023, 7:50 PM EDT (23:50 UTC)
Expired
Apr 6, 2023, 8:30 PM EDT
In force
40 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Kent County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 38 km from the middle of the area, began a volume at 23:50 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 6, 2:58 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.8 hours before the alert went out and 126 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 2023-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 243 joules per kilogram.LCLLFCEL10008507005003002001001 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, Wallops Is Stn, VA at 12:00Z on 2023-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 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
243 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
940 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

879 
WUUS51 KPHI 062350
SVRPHI
DEC001-MDC011-035-041-070030-
/O.NEW.KPHI.SV.W.0024.230406T2350Z-230407T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
750 PM EDT Thu Apr 6 2023

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southwestern Kent County in central Delaware...
  Northeastern Talbot County in eastern Maryland...
  Central Queen Anne's County in northeastern Maryland...
  Northern Caroline County in eastern Maryland...

* Until 830 PM EDT.

* At 749 PM EDT, a severe thunderstorm was located over Carville, or
  near Centerville, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Dover, Centerville, Denton, Centreville, Harrington, Camden,
  Greensboro, Oakland, Ridgely, Church Hill, Goldsboro, Queen Anne,
  Woodside, Viola, Starr, Jumptown, Hazlettville, Sandtown,
  Andrewsville and Starkey Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3916 7603 3914 7551 3885 7554 3884 7555
      3894 7616
TIME...MOT...LOC 2349Z 284DEG 36KT 3905 7599 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gorse
3 follow-up statements
828 
WWUS51 KPHI 070004
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
804 PM EDT Thu Apr 6 2023

MDC041-070014-
/O.CAN.KPHI.SV.W.0024.000000T0000Z-230407T0030Z/
Talbot MD-
804 PM EDT Thu Apr 6 2023

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TALBOT COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, this portion of the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central and southern Delaware...and eastern and northeastern
Maryland.

LAT...LON 3915 7590 3914 7551 3885 7554 3884 7555
      3892 7599
TIME...MOT...LOC 0004Z 284DEG 36KT 3901 7580 

$$

DEC001-MDC011-035-070030-
/O.CON.KPHI.SV.W.0024.000000T0000Z-230407T0030Z/
Kent DE-Queen Anne's MD-Caroline MD-
804 PM EDT Thu Apr 6 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHWESTERN KENT...SOUTHEASTERN QUEEN ANNE'S AND NORTHERN
CAROLINE COUNTIES...

At 804 PM EDT, a severe thunderstorm was located over Goldsboro, or
13 miles east of Centerville, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Dover, Denton, Harrington, Camden, Greensboro, Oakland, Ridgely,
Goldsboro, Queen Anne, Woodside, Viola, Jumptown, Hazlettville,
Sandtown, Andrewsville, Rising Sun-Lebanon, Wyoming, Felton,
Hillsboro and Henderson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3915 7590 3914 7551 3885 7554 3884 7555
      3892 7599
TIME...MOT...LOC 0004Z 284DEG 36KT 3901 7580 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gorse
039 
WWUS51 KPHI 070015
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
815 PM EDT Thu Apr 6 2023

MDC035-070024-
/O.CAN.KPHI.SV.W.0024.000000T0000Z-230407T0030Z/
Queen Anne's MD-
815 PM EDT Thu Apr 6 2023

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN QUEEN ANNE'S
COUNTY IS CANCELLED...
    
The severe thunderstorm which prompted the warning has continues to 
move out of the warned area. Therefore, the warning has been 
cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central and southern Delaware...and eastern and northeastern
Maryland.

LAT...LON 3889 7582 3890 7583 3913 7579 3914 7576
      3914 7551 3885 7554 3884 7556
TIME...MOT...LOC 0014Z 284DEG 36KT 3898 7567 

$$

DEC001-MDC011-070030-
/O.CON.KPHI.SV.W.0024.000000T0000Z-230407T0030Z/
Kent DE-Caroline MD-
815 PM EDT Thu Apr 6 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHWESTERN KENT AND NORTHEASTERN CAROLINE COUNTIES...

At 814 PM EDT, a severe thunderstorm was located near Sandtown, or 14
miles southwest of Dover, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Dover, Denton, Harrington, Camden, Greensboro, Goldsboro, Woodside,
Viola, Hazlettville, Sandtown, Andrewsville, Rising Sun-Lebanon,
Wyoming, Felton, Henderson, Marydel, Templeville, Farmington, Rodney
Village and Kent Acres.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3889 7582 3890 7583 3913 7579 3914 7576
      3914 7551 3885 7554 3884 7556
TIME...MOT...LOC 0014Z 284DEG 36KT 3898 7567 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gorse
313 
WWUS51 KPHI 070024
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
824 PM EDT Thu Apr 6 2023

MDC011-070033-
/O.CAN.KPHI.SV.W.0024.000000T0000Z-230407T0030Z/
Caroline MD-
824 PM EDT Thu Apr 6 2023

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CAROLINE COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning continues to move 
out of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
central and southern Delaware.

LAT...LON 3887 7572 3914 7572 3914 7551 3885 7554
      3884 7556
TIME...MOT...LOC 0023Z 284DEG 36KT 3896 7555 

$$

DEC001-070030-
/O.CON.KPHI.SV.W.0024.000000T0000Z-230407T0030Z/
Kent DE-
824 PM EDT Thu Apr 6 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHWESTERN KENT COUNTY...

At 823 PM EDT, a severe thunderstorm was located over Harrington, or
14 miles south of Dover, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Dover, Harrington, Camden, Woodside, Viola, Hazlettville, Sandtown,
Andrewsville, Rising Sun-Lebanon, Wyoming, Felton, Farmington, Rodney
Village, Kent Acres, Highland Acres, Woodside East and Riverview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3887 7572 3914 7572 3914 7551 3885 7554
      3884 7556
TIME...MOT...LOC 0023Z 284DEG 36KT 3896 7555 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 6:24 PM EDTSevere Thunderstorm WarningPHIQueen Anne's, Talbot31 min
Apr 6, 6:47 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot28 min
Apr 6, 7:09 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot26 min
Apr 6, 7:39 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's, Talbot36 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2023Severe Thunderstorm Warnings in Delaware, 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.