Alert archive / Delaware / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 82, NWS Philadelphia/Mount Holly

June 2, 2022Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 2, 2022, 6:44 PM EDT for Sussex County, Delaware. It was in force for 46 min. 1 report 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
Jun 2, 2022, 6:44 PM EDT (22:44 UTC)
Expired
Jun 2, 2022, 7:30 PM EDT
In force
46 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Sussex County, DE

The radar

The Dover AFB radar (KDOX), 32 km from the middle of the area, began a volume at 22:46 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

TimeReportWhereRemark
Jun 2, 6:46 PM EDTTSTM WND DMGLaurel, DEMULTIPLE TREES DOWN THAT FELL ON WIRES CAUSING POWER OUTAGES. TIME ESTIMATED VIA 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.

IssuedProductOfficeLasted
Jun 2, 1:53 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 10.7 hours before the alert went out and 70 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-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2022-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 891 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2022-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
891 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1167 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

354 
WUUS51 KPHI 022244
SVRPHI
DEC005-022330-
/O.NEW.KPHI.SV.W.0082.220602T2244Z-220602T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
644 PM EDT Thu Jun 2 2022

The National Weather Service in Mount Holly NJ has issued a

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

* Until 730 PM EDT.

* At 644 PM EDT, severe thunderstorms were located along a line
  extending from near Bridgeville to near Delmar, moving east 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...
  Georgetown, Seaford, Millsboro, Laurel, Lewes, Milton, Selbyville,
  Bridgeville, Delmar, Dagsboro, Millville, Henlopen Acres, Gumboro,
  Cape Henlopen State Park, Sycamore, Long Neck, Ocean View, Blades,
  Frankford and South Bethany.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3846 7569 3879 7572 3881 7502 3845 7496
      3846 7505 3845 7505
TIME...MOT...LOC 2244Z 272DEG 29KT 3877 7563 3844 7563 

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

$$

Fitzsimmons
1 follow-up statement
062 
WWUS51 KPHI 022304
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
704 PM EDT Thu Jun 2 2022

DEC005-022330-
/O.CON.KPHI.SV.W.0082.000000T0000Z-220602T2330Z/
Sussex DE-
704 PM EDT Thu Jun 2 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SUSSEX COUNTY...

At 704 PM EDT, severe thunderstorms were located along a line
extending from near Milton to near Gumboro, moving east at 40 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...
Georgetown, Millsboro, Laurel, Lewes, Milton, Selbyville, Dagsboro,
Millville, Henlopen Acres, Gumboro, Cape Henlopen State Park,
Sycamore, Long Neck, Ocean View, Frankford, South Bethany and Dewey
Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3846 7557 3877 7558 3881 7502 3845 7496
      3846 7505 3845 7505
TIME...MOT...LOC 2304Z 272DEG 37KT 3877 7537 3844 7537 

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

$$

Fitzsimmons

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 8:44 PM EDTDense Fog AdvisoryPHISussex9 hr
Jun 2, 3:07 PM EDTFlood WatchPHINew Castle5 hr
Jun 2, 5:31 PM EDTSevere Thunderstorm WarningPHISussex29 min
Jun 2, 5:58 PM EDTSevere Thunderstorm WarningPHIKent, Sussex47 min
Jun 2, 6:10 PM EDTSevere Thunderstorm WarningPHISussex50 min
Jun 2, 7:27 PM EDTSevere Thunderstorm Warning Considerable damage threatPHISussex18 min

Nearby

Severe Thunderstorm Warnings in Delaware, 2022Every 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.