Alert archive / Delaware / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 34, NWS Philadelphia/Mount Holly

May 16, 2022Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 16, 2022, 5:59 PM EDT for Sussex County, Delaware. It was in force for 61 min. 8 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 16, 2022, 5:59 PM EDT (21:59 UTC)
Expired: May 16, 2022, 7:00 PM EDT
In force: 61 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Sussex County, DE

The radar

The Dover AFB radar (KDOX), 42 km from the middle of the area, began a volume at 21:58 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 16, 6:20 PM EDT	HAIL 1	Laurel, DE
May 16, 6:20 PM EDT	HAIL 1.5	Laurel, DE
May 16, 6:25 PM EDT	HAIL 2	4 Sse Sycamore, DE
May 16, 6:30 PM EDT	HAIL 2.25	4 Sse Sycamore, DE	REPORT FROM MPING: HEN EGG+ (2.25 IN.).
May 16, 6:57 PM EDT	HAIL 0.5	3 Wnw Millville, DE	REPORT FROM MPING: HALF-INCH (0.50 IN.).
May 16, 6:58 PM EDT	TSTM WND DMG	3 Wnw Millville, DE	REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF. TIME ESTIMATED FROM RADAR.
May 16, 7:01 PM EDT	HAIL 0.75	3 Wnw Millville, DE	REPORT FROM MPING: DIME (0.75 IN.).
May 16, 7:09 PM EDT	HAIL 0.25	1 E Millville, DE

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 16, 3:40 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.0 hours before the alert went out and 65 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: 395 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 1127 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

595 
WUUS51 KPHI 162159
SVRPHI
DEC005-162300-
/O.NEW.KPHI.SV.W.0034.220516T2159Z-220516T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
559 PM EDT Mon May 16 2022

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southern Sussex County in southern Delaware...

* Until 700 PM EDT.

* At 559 PM EDT, a severe thunderstorm was located near Hurlock,
  moving east at 40 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...
  Seaford, Millsboro, Laurel, Selbyville, Delmar, Dagsboro,
  Millville, Gumboro, Sycamore, Long Neck, Ocean View, Blades,
  Frankford, South Bethany and Bethel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3845 7503 3846 7505 3845 7505 3845 7538
      3846 7569 3865 7571 3865 7496 3845 7499
TIME...MOT...LOC 2159Z 276DEG 35KT 3856 7585 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Iovino

1 follow-up statement

873 
WWUS51 KPHI 162230
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
630 PM EDT Mon May 16 2022

DEC005-162300-
/O.CON.KPHI.SV.W.0034.000000T0000Z-220516T2300Z/
Sussex DE-
630 PM EDT Mon May 16 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHERN SUSSEX COUNTY...

At 630 PM EDT, a severe thunderstorm was located near Sycamore, or 11
miles south of Georgetown, moving east at 40 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...
Seaford, Millsboro, Laurel, Selbyville, Delmar, Dagsboro, Millville,
Gumboro, Sycamore, Long Neck, Ocean View, Blades, Frankford, South
Bethany and Bethel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3846 7563 3864 7565 3865 7496 3845 7499
      3845 7503 3846 7505 3845 7505 3845 7537
TIME...MOT...LOC 2230Z 276DEG 35KT 3853 7546 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Iovino

Nearby

Severe Thunderstorm Warnings in Delaware, 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.