Alert archive / Delaware / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 53, NWS Philadelphia/Mount Holly

May 26, 2019Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 26, 2019, 10:09 PM EDT for Kent County, Sussex County, Delaware. It was in force for 66 min. 5 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, 10:09 PM EDT (02:09 UTC)
Expired: May 26, 2019, 11:15 PM EDT
In force: 66 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Kent County, DE, Sussex County, DE

The radar

The Dover AFB radar (KDOX), 18 km from the middle of the area, began a volume at 02:12 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, 10:15 PM EDT	TSTM WND DMG	Wyoming, DE	SEVERAL TREES SPLIT AND KNOCKED DOWN IN CAMDEN/WYOMING DELAWARE.
May 26, 10:17 PM EDT	TSTM WND DMG	1 E Woodside, DE	SEVERAL TREES DOWN ACROSS THE AREA. THREE HOMES HAD TREES FALLEN ONTO THEM. TIME ESTIMATED FROM RADAR.
May 26, 10:19 PM EDT	TSTM WND GST 50	1 S Wyoming, DE	MESONET STATION MEASURED WIND GUST TO 50 MPH.
May 26, 10:24 PM EDT	TSTM WND GST 50	2 Wsw Magnolia, DE	MESONET STATION MEASURED WIND GUST TO 50 MPH.
May 26, 10:34 PM EDT	TSTM WND GST 57	3 S Kitts Hummock, DE	MESONET STATION MEASURED WIND GUST TO 57 MPH.

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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.2 hours before the alert went out and 118 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: 560 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 1581 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted.

272 
WUUS51 KPHI 270209
SVRPHI
DEC001-005-270315-
/O.NEW.KPHI.SV.W.0053.190527T0209Z-190527T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1009 PM EDT Sun May 26 2019

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern Sussex County in southern Delaware...
  Central Kent County in central Delaware...

* Until 1115 PM EDT.

* At 1008 PM EDT, a severe thunderstorm was located over
  Hazlettville, or 8 miles southwest of Dover, 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...
  Dover, Milford, Harrington, Camden, Lewes, Milton, Cheswold,
  Ellendale, Bowers, Woodside, Viola, Rising Sun-Lebanon,
  Hazlettville, Dover Base Housing, Dover Speedway, Sandtown, Rising
  Sun, Big Stone Beach, Wyoming and Felton.

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 3899 7574 3902 7574 3923 7562 3917 7541
      3907 7541 3903 7534 3899 7532 3891 7531
      3879 7517 3867 7524
TIME...MOT...LOC 0208Z 298DEG 30KT 3911 7566 

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

Iovino

2 follow-up statements

067 
WWUS51 KPHI 270236
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1036 PM EDT Sun May 26 2019

DEC001-005-270315-
/O.CON.KPHI.SV.W.0053.000000T0000Z-190527T0315Z/
Sussex DE-Kent DE-
1036 PM EDT Sun May 26 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR NORTH CENTRAL SUSSEX AND CENTRAL KENT COUNTIES...

At 1036 PM EDT, a severe thunderstorm was located over Bowers, or 10
miles southeast of Dover, 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...
Dover, Milford, Camden, Bowers, Woodside, Viola, Rising Sun-Lebanon,
Rising Sun, Dover Base Housing, Big Stone Beach, Wyoming, Felton,
Frederica, Magnolia, Little Creek, Rodney Village, Kent Acres,
Riverview, Highland Acres and Woodside East.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3894 7551 3899 7563 3920 7550 3917 7541
      3907 7541 3903 7534 3899 7532 3891 7531
      3889 7540 3891 7545
TIME...MOT...LOC 0236Z 292DEG 29KT 3903 7539 

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

Iovino

194 
WWUS51 KPHI 270253
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
1053 PM EDT Sun May 26 2019

DEC001-005-270315-
/O.CON.KPHI.SV.W.0053.000000T0000Z-190527T0315Z/
Sussex DE-Kent DE-
1053 PM EDT Sun May 26 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT
FOR NORTH CENTRAL SUSSEX AND CENTRAL KENT COUNTIES...

At 1053 PM EDT, a severe thunderstorm was located over Camden, or
near Dover, moving southeast at 45 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...
Dover, Milford, Camden, Bowers, Woodside, Viola, Rising Sun-Lebanon,
Rising Sun, Dover Base Housing, Big Stone Beach, Wyoming, Felton,
Frederica, Magnolia, Little Creek, Rodney Village, Kent Acres,
Riverview, Highland Acres and Woodside East.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3894 7551 3899 7563 3920 7550 3917 7541
      3907 7541 3903 7534 3899 7532 3891 7531
      3889 7540 3891 7545
TIME...MOT...LOC 0253Z 299DEG 38KT 3909 7554 

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, 8:18 PM EDT	Severe Thunderstorm Warning	PHI	Kent	27 min
May 26, 9:45 PM EDT	Severe Thunderstorm Warning	PHI	Kent	45 min

Nearby

Severe Thunderstorm Warnings in Delaware, 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.