Alert archive / Delaware / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 111, NWS Philadelphia/Mount Holly

July 5, 2022Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 5, 2022, 7:18 PM EDT for Sussex County, Delaware. It was in force for 42 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: Jul 5, 2022, 7:18 PM EDT (23:18 UTC)
Expired: Jul 5, 2022, 8:00 PM EDT
In force: 42 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Sussex County, DE

The radar

The Dover AFB radar (KDOX), 12 km from the middle of the area, began a volume at 23:22 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 nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.3 hours before the alert went out and 92 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1205 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

742 
WUUS51 KPHI 052318
SVRPHI
DEC005-060000-
/O.NEW.KPHI.SV.W.0111.220705T2318Z-220706T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
718 PM EDT Tue Jul 5 2022

The National Weather Service in Mount Holly NJ has issued a

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

* Until 800 PM EDT.

* At 718 PM EDT, severe thunderstorms were located along a line
  extending from near Andrewsville to near Bridgeville to near
  Smithville, moving southeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Georgetown, Seaford, Millsboro, Laurel, Milton, Bridgeville,
  Ellendale, Sycamore, Blades and Greenwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 3872 7572 3877 7572 3880 7564 3884 7561
      3884 7555 3885 7554 3886 7552 3873 7516
      3859 7525 3849 7550
TIME...MOT...LOC 2318Z 304DEG 26KT 3885 7555 3878 7559 3874 7568 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

3 follow-up statements

285 
WWUS51 KPHI 052330
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
730 PM EDT Tue Jul 5 2022

DEC005-060000-
/O.CON.KPHI.SV.W.0111.000000T0000Z-220706T0000Z/
Sussex DE-
730 PM EDT Tue Jul 5 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR CENTRAL SUSSEX COUNTY...

At 730 PM EDT, severe thunderstorms were located along a line
extending from near Ellendale to near Bridgeville to near Seaford,
moving southeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Georgetown, Seaford, Millsboro, Laurel, Milton, Bridgeville,
Ellendale, Sycamore and Blades.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 3869 7569 3874 7567 3878 7557 3883 7545
      3873 7516 3859 7525 3849 7550
TIME...MOT...LOC 2330Z 309DEG 26KT 3876 7547 3871 7553 3869 7561 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

771 
WWUS51 KPHI 052339
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
739 PM EDT Tue Jul 5 2022

DEC005-060000-
/O.CON.KPHI.SV.W.0111.000000T0000Z-220706T0000Z/
Sussex DE-
739 PM EDT Tue Jul 5 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR CENTRAL SUSSEX COUNTY...

At 739 PM EDT, severe thunderstorms were located along a line
extending from near Georgetown to 9 miles northwest of Millsboro to
near Sycamore, moving southeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Georgetown, Seaford, Millsboro, Laurel, Milton, Sycamore and Blades. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 3865 7563 3875 7552 3880 7536 3873 7516
      3859 7525 3849 7550
TIME...MOT...LOC 2339Z 305DEG 29KT 3873 7537 3865 7544 3864 7554 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

309 
WWUS51 KPHI 052352
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
752 PM EDT Tue Jul 5 2022

DEC005-060000-
/O.CON.KPHI.SV.W.0111.000000T0000Z-220706T0000Z/
Sussex DE-
752 PM EDT Tue Jul 5 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHERN SUSSEX COUNTY...

At 752 PM EDT, severe thunderstorms were located along a line
extending from near Milton to near Millsboro to Sycamore, moving
southeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Georgetown, Seaford, Millsboro, Milton, Sycamore and Blades. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 3860 7558 3862 7561 3868 7558 3871 7552
      3868 7543 3878 7530 3873 7516 3859 7525
      3849 7550
TIME...MOT...LOC 2352Z 303DEG 26KT 3871 7526 3860 7535 3857 7549 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 6:55 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Sussex	33 min
Jul 5, 7:55 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	50 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.