Alert archive / Maryland / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 119, NWS Philadelphia/Mount Holly

July 12, 20224 counties in Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 12, 2022, 6:36 PM EDT for 4 counties in Maryland. It was in force for 39 min. 2 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: Jul 12, 2022, 6:36 PM EDT (22:36 UTC)
Expired: Jul 12, 2022, 7:15 PM EDT
In force: 39 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.0 in
Wind: 70.0 mph

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

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 22:37 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
Jul 12, 6:49 PM EDT	MARINE TSTM WIND 43	5 Ese Bay Ridge, MD
Jul 12, 6:59 PM EDT	TSTM WND DMG	Tilghman, MD	SEVERAL POWER LINES DOWN ON TILGHMAN ISLAND RESULTING IN POWER OUTAGES. UTILITY CREWS ARE RESPONDING TO THE AREA. TIME ESTIMATED FROM RADAR.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 12, 5:05 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.6 hours before the alert went out and 102 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 0 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

796 
WUUS51 KPHI 122236
SVRPHI
MDC011-029-035-041-122315-
/O.NEW.KPHI.SV.W.0119.220712T2236Z-220712T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
636 PM EDT Tue Jul 12 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...
  Central Caroline County in eastern Maryland...
  Southwestern Kent County in northeastern Maryland...

* Until 715 PM EDT.

* At 636 PM EDT, severe thunderstorms were located along a line
  extending from near Arnold to Severn River to near Deale, moving
  east at 45 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Easton, Centerville, Talbot, Centreville, Greensboro, Oakland,
  Ridgely, Rock Hall, Trappe, St. Michaels, Church Hill, Oxford,
  Goldsboro, Queen Anne, Old Town, Grasonville, Starr, Copperville,
  Jumptown and Windyhill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3895 7636 3904 7631 3898 7628 3900 7617
      3902 7621 3901 7621 3915 7627 3919 7594
      3901 7577 3857 7604 3870 7622 3870 7623
      3876 7622 3873 7626 3876 7632 3867 7634
      3896 7631 3884 7637 3885 7637
TIME...MOT...LOC 2236Z 264DEG 40KT 3905 7654 3895 7647 3874 7659 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Staarmann

1 follow-up statement

277 
WWUS51 KPHI 122254
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
654 PM EDT Tue Jul 12 2022

MDC011-029-035-041-122315-
/O.CON.KPHI.SV.W.0119.000000T0000Z-220712T2315Z/
Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
654 PM EDT Tue Jul 12 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR TALBOT...QUEEN ANNE'S...CENTRAL CAROLINE AND SOUTHWESTERN KENT
COUNTIES...

At 654 PM EDT, severe thunderstorms were located along a line
extending from near Overton to Grasonville to Tilghman Island, moving
east at 45 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Easton, Centerville, Talbot, Centreville, Greensboro, Oakland,
Ridgely, Rock Hall, Trappe, St. Michaels, Church Hill, Oxford,
Goldsboro, Queen Anne, Old Town, Grasonville, Starr, Copperville,
Jumptown and Windyhill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3895 7636 3904 7631 3898 7628 3900 7617
      3902 7621 3901 7621 3915 7627 3919 7594
      3901 7577 3857 7604 3870 7622 3870 7623
      3876 7622 3873 7626 3876 7632 3867 7634
      3896 7631 3884 7637 3885 7637
TIME...MOT...LOC 2254Z 263DEG 40KT 3907 7629 3897 7623 3876 7636 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Staarmann

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 7:12 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	48 min
Jul 12, 7:37 PM EDT	Severe Thunderstorm Warning Destructive damage threat	PHI	Caroline	23 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.