Alert archive / Maryland / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 52, NWS Philadelphia/Mount Holly

May 26, 20194 counties in Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 26, 2019, 10:01 PM EDT for 4 counties in Maryland. It was in force for 59 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: May 26, 2019, 10:01 PM EDT (02:01 UTC)
Expired: May 26, 2019, 11:00 PM EDT
In force: 59 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 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), 66 km from the middle of the area, began a volume at 02:01 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
May 26, 10:33 PM EDT	TSTM WND DMG	Centreville, MD	DELAYED REPORT. POWER LINES DOWN NEAR CENTREVILLE FROM THUNDERSTORM WIND GUSTS. TIME ESTIMATED FROM RADAR.
May 26, 10:33 PM EDT	TSTM WND DMG	Centreville, MD	DELAYED REPORT. POWER LINES DOWN NEAR CENTREVILLE FROM THUNDERSTORM WIND GUSTS. 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
May 26, 8:32 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 2.0 hours before the alert went out and 105 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: 1426 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1326 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

186 
WUUS51 KPHI 270201
SVRPHI
MDC011-029-035-041-270300-
/O.NEW.KPHI.SV.W.0052.190527T0201Z-190527T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1001 PM EDT Sun May 26 2019

The National Weather Service in Mount Holly NJ has issued a

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

* Until 1100 PM EDT.

* At 1000 PM EDT, a severe thunderstorm was located over Bodkin
  Point, moving southeast at 35 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, Denton, Centreville, Greensboro, Oakland,
  Ridgely, Rock Hall, Preston, Queen Anne, Old Town, Grasonville,
  Starr, Copperville, Jumptown, Choptank, Tanyard, Harmony,
  Stevensville and Skipton.

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.

&&

LAT...LON 3904 7631 3898 7628 3900 7617 3903 7624
      3909 7623 3915 7628 3927 7621 3898 7573
      3886 7573 3870 7585 3868 7595 3883 7619
      3897 7625 3891 7624 3892 7625 3894 7628
      3889 7629 3896 7631 3891 7632 3894 7637
TIME...MOT...LOC 0200Z 299DEG 30KT 3913 7639 

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

Iovino

1 follow-up statement

642 
WWUS51 KPHI 270229
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1029 PM EDT Sun May 26 2019

MDC011-029-035-041-270300-
/O.CON.KPHI.SV.W.0052.000000T0000Z-190527T0300Z/
Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
1029 PM EDT Sun May 26 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHEASTERN TALBOT...QUEEN ANNE'S...CAROLINE AND SOUTHWESTERN
KENT COUNTIES...

At 1029 PM EDT, a severe thunderstorm was located near Centreville,
moving southeast at 35 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, Denton, Centreville, Greensboro, Oakland,
Ridgely, Church Hill, Preston, Queen Anne, Old Town, Grasonville,
Starr, Copperville, Jumptown, Choptank, Tanyard, Harmony,
Stevensville and Skipton.

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.

&&

LAT...LON 3904 7631 3898 7628 3900 7617 3903 7624
      3909 7623 3922 7612 3898 7573 3886 7573
      3870 7585 3868 7595 3883 7619 3897 7625
      3891 7624 3892 7625 3894 7628 3889 7629
      3896 7631 3891 7632 3894 7637
TIME...MOT...LOC 0229Z 299DEG 30KT 3901 7612 

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

Iovino

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 9:11 PM EDT	Special Weather Statement	PHI	Kent	34 min
May 26, 9:45 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's	45 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.