Alert archive / Maryland / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 148, NWS Philadelphia/Mount Holly

August 4, 20224 counties in Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 4, 2022, 7:37 PM EDT for 4 counties in Maryland. It was in force for 51 min. 10 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 4, 2022, 7:37 PM EDT (23:37 UTC)
Expired: Aug 4, 2022, 8:28 PM EDT
In force: 51 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

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

The radar

The Dover AFB radar (KDOX), 67 km from the middle of the area, began a volume at 23:38 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.

What was reported inside it

Time	Report	Where	Remark
Aug 4, 7:45 PM EDT	TSTM WND DMG	1 Nne Royal Oak, MD	PUBLIC REPORTS LARGE TREE DOWN IN BACKYARD. TIME ESTIMATED VIA RADAR.
Aug 4, 7:50 PM EDT	MARINE TSTM WIND 45	10 E North Beach, MD	WIND GUSTS OF UP TO 39 KNOTS (45 MPH) WERE MEASURED BY A MESONET ON THE MD-33 KNAPPS NARROWS DRAWBRIDGE (MD073) BETWEEN 7:50 AND 8:05 PM.
Aug 4, 7:58 PM EDT	TSTM WND DMG	2 Nnw Royal Oak, MD	TREES DOWN AROUND WATCH GOOSE FARM. TIME ESTIMATED VIA RADAR.
Aug 4, 8:00 PM EDT	TSTM WND DMG	2 Nnw Royal Oak, MD	NUMEROUS TREES DOWN AROUND PEANECK ROAD IN TALBOT COUNTY. TIME ESTIMATED VIA RADAR.
Aug 4, 8:01 PM EDT	TSTM WND DMG	2 Se Easton, MD	TREES DOWN ALONG NANCY STREET IN EASTON, MD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:01 PM EDT	TSTM WND DMG	2 Sse Easton, MD	NUMEROUS TREES DOWN ON WILL STREET IN EASTON, MD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:03 PM EDT	TSTM WND DMG	2 Sse Cordova, MD	TREES DOWN ON CHAPEL ROAD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:06 PM EDT	TSTM WND DMG	1 Ese Queen Anne, MD	NUMEROUS TREES AND WIRES DOWN AROUND HILLSBORO, MD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:06 PM EDT	TSTM WND DMG	1 Nnw Greensboro, MD	TREE DOWN INTO BARN AROUND GREENSBORO, MD. TIME ESTIMATED VIA RADAR.
Aug 4, 8:08 PM EDT	TSTM WND DMG	Ridgely, MD	NUMEROUS TREES AND WIRES DOWN AROUND RIDGELY, MD. TIME ESTIMATED VIA RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.6 hours before the alert went out and 103 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 729 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1307 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 50 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.

461 
WUUS51 KPHI 042337
SVRPHI
MDC011-029-035-041-050045-
/O.NEW.KPHI.SV.W.0148.220804T2337Z-220805T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
737 PM EDT Thu Aug 4 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Talbot County in eastern Maryland...
  Queen Anne's County in northeastern Maryland...
  Northwestern Caroline County in eastern Maryland...
  Central Kent County in northeastern Maryland...

* Until 845 PM EDT.

* At 737 PM EDT, severe thunderstorms were located along a line
  extending from Kennedyville to Grasonville to near Chesapeake
  Beach, moving east at 25 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Easton, Centerville, Talbot, Chestertown, Centreville, Romancoke,
  Oakland, Ridgely, St. Michaels, Church Hill, Oxford, Millington,
  Sudlersville, Queen Anne, Old Town, Grasonville, Starr,
  Copperville, Jumptown and Morgnec.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3886 7626 3879 7620 3883 7619 3895 7626
      3884 7637 3884 7638 3891 7637 3900 7617
      3901 7621 3935 7600 3931 7576 3893 7583
      3863 7613 3877 7624 3875 7624 3871 7628
      3876 7632 3867 7634 3877 7638
TIME...MOT...LOC 2337Z 268DEG 21KT 3930 7596 3896 7622 3871 7660 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS

2 follow-up statements

638 
WWUS51 KPHI 042352
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
752 PM EDT Thu Aug 4 2022

MDC011-029-035-041-050045-
/O.CON.KPHI.SV.W.0148.000000T0000Z-220805T0045Z/
Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
752 PM EDT Thu Aug 4 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR TALBOT...QUEEN ANNE'S...NORTHWESTERN CAROLINE AND NORTHEASTERN
KENT COUNTIES...

At 751 PM EDT, severe thunderstorms were located along a line
extending from Massey to near Wye Mills to near Breezy Point, moving
east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Easton, Centerville, Talbot, Centreville, Oakland, Ridgely, St.
Michaels, Church Hill, Oxford, Millington, Sudlersville, Queen Anne,
Starr, Copperville, Jumptown, Crumpton, Tilghman Island, Skipton,
Matthews and Starkey Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3877 7638 3879 7635 3886 7626 3879 7620
      3883 7619 3890 7623 3894 7619 3933 7590
      3931 7576 3893 7583 3863 7613 3877 7624
      3875 7624 3871 7628 3876 7632 3867 7634
TIME...MOT...LOC 2351Z 287DEG 31KT 3930 7584 3892 7611 3864 7642 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS

514 
WWUS51 KPHI 050028
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
828 PM EDT Thu Aug 4 2022

MDC011-029-035-041-050038-
/O.CAN.KPHI.SV.W.0148.000000T0000Z-220805T0045Z/
Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
828 PM EDT Thu Aug 4 2022

...THE SEVERE THUNDERSTORM WARNING FOR TALBOT...QUEEN ANNE'S...
NORTHWESTERN CAROLINE AND NORTHEASTERN KENT COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with these thunderstorms.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

Remember, a Severe Thunderstorm Warning still remains in effect 
for portions of Caroline and Talbot counties until 8:45 pm.

LAT...LON 3877 7638 3879 7635 3886 7626 3879 7620
      3883 7619 3890 7623 3894 7619 3933 7590
      3931 7576 3893 7583 3863 7613 3877 7624
      3875 7624 3871 7628 3876 7632 3867 7634
TIME...MOT...LOC 0025Z 268DEG 21KT 3931 7558 3893 7585 3865 7616 

$$

MPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 6:35 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's	40 min
Aug 4, 7:41 PM EDT	Severe Thunderstorm Warning	PHI	Kent	34 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2022 Every severe thunderstorm warning in 2022

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.