Alert archive / Maryland / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 179, NWS Philadelphia/Mount Holly

June 29, 2019Kent County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 29, 2019, 4:58 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It was in force for 47 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: Jun 29, 2019, 4:58 PM EDT (20:58 UTC)
Expired: Jun 29, 2019, 5:45 PM EDT
In force: 47 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

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

The radar

The Dover AFB radar (KDOX), 70 km from the middle of the area, began a volume at 20:57 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.

Issued	Product	Office	Lasted
Jun 29, 2:04 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.0 hours before the alert went out and 101 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: 927 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 1390 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

327 
WUUS51 KPHI 292058
SVRPHI
MDC029-035-041-292145-
/O.NEW.KPHI.SV.W.0179.190629T2058Z-190629T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
458 PM EDT Sat Jun 29 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern Talbot County in eastern Maryland...
  Southwestern Queen Anne's County in northeastern Maryland...
  Southwestern Kent County in northeastern Maryland...

* Until 545 PM EDT.

* At 457 PM EDT, a severe thunderstorm was located near Gibson
  Island, moving southeast at 30 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Easton, Centerville, Centreville, Rock Hall, Queen Anne,
  Grasonville, Starr, Stevensville, Skipton, Copperville, Chester,
  Overton, Wye Mills, Cordova, Carville, Hope, Queenstown,
  Stevensville South and Dominion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

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

&&

LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
      3903 7624 3909 7623 3918 7627 3917 7618
      3902 7589 3873 7607 3882 7620 3893 7620
      3896 7625 3891 7624 3892 7625 3894 7628
      3889 7629 3896 7631 3891 7632 3894 7636
TIME...MOT...LOC 2057Z 303DEG 25KT 3907 7633 

HAIL...1.25IN
WIND...60MPH
 
$$

Staarmann

1 follow-up statement

330 
WWUS51 KPHI 292119
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
519 PM EDT Sat Jun 29 2019

MDC029-035-041-292145-
/O.CON.KPHI.SV.W.0179.000000T0000Z-190629T2145Z/
Talbot MD-Queen Anne's MD-Kent MD-
519 PM EDT Sat Jun 29 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHEASTERN TALBOT...SOUTHWESTERN QUEEN ANNE'S AND SOUTHWESTERN
KENT COUNTIES...

At 519 PM EDT, a severe thunderstorm was located over Grasonville, or
7 miles southwest of Centerville, moving southeast at 20 mph.

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

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Easton, Centerville, Centreville, Queen Anne, Grasonville, Starr,
Stevensville, Skipton, Copperville, Chester, Overton, Wye Mills,
Cordova, Carville, Hope, Queenstown, Stevensville South and Dominion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 3903 7631 3904 7631 3898 7628 3897 7622
      3900 7617 3903 7624 3905 7624 3909 7603
      3902 7589 3873 7607 3882 7620 3893 7620
      3896 7625 3891 7624 3892 7625 3894 7628
      3889 7629 3896 7631 3891 7632 3894 7636
TIME...MOT...LOC 2119Z 306DEG 19KT 3897 7616 

HAIL...1.00IN
WIND...60MPH
 
$$

Staarmann

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 1:19 PM EDT	Special Weather Statement	PHI	Cecil	26 min
Jun 29, 1:26 PM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent	49 min
Jun 29, 2:08 PM EDT	Areal Flood Advisory	PHI	Cecil	3 hr
Jun 29, 2:12 PM EDT	Special Weather Statement	PHI	Cecil	33 min
Jun 29, 2:44 PM EDT	Special Weather Statement	PHI	Cecil	31 min
Jun 29, 2:47 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	28 min
Jun 29, 3:27 PM EDT	Severe Thunderstorm Warning	PHI	Cecil	53 min
Jun 29, 3:39 PM EDT	Special Weather Statement	PHI	Cecil	51 min
Jun 29, 3:59 PM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent	46 min
Jun 29, 4:14 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's	46 min
Jun 29, 4:38 PM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent	52 min
Jun 29, 4:55 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's	50 min
Jun 29, 5:26 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	79 min
Jun 29, 5:38 PM EDT	Areal Flood Advisory	PHI	Caroline, Queen Anne's	109 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2019 Every severe thunderstorm warning in 2019

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.