Alert archive / Delaware / Special Weather Statements in 2022

Special Weather Statement, NWS Philadelphia/Mount Holly

August 4, 2022Salem County, New Jersey; Kent County, New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 4, 2022, 7:32 PM EDT for Salem County, New Jersey; Kent County, New Castle County, Delaware. It was in force for 43 min. 3 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
Aug 4, 2022, 7:32 PM EDT (23:32 UTC)
Expired
Aug 4, 2022, 8:15 PM EDT
In force
43 min
Issued by
NWS Philadelphia/Mount Holly
Hail
0.25 in
Wind
50

Counties Kent County, DE, New Castle County, DE, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 76 km from the middle of the area, began a volume at 23:33 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
Aug 4, 7:45 PM EDTMARINE TSTM WIND 594 Ssw Elsinboro Twp, NJLOWER ALLOWAYS CREEK MESONET GUSTED TO 59 MPH.
Aug 4, 7:50 PM EDTTSTM WND GST 594 Ssw Elsinboro Twp, NJLOWER ALLOWAYS CREEK MESONET GUSTED TO 59 MPH. TIME GIVEN IN REPORT.
Aug 4, 7:51 PM EDTTSTM WND GST 581 S Odessa, DEDEDOT GAUGE AT US 1 AT APPOQUINIMINK RIVER MEASURED 58 MPH GUST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.5 hours before the alert went out and 152 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, Washington/Dulle, VA at 12:00Z on 2022-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 729 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, Washington/Dulle, VA at 12:00Z on 2022-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
729 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1307 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

288 
WWUS81 KPHI 042332
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
732 PM EDT Thu Aug 4 2022
 
DEZ001-002-MDZ012-015-020-NJZ016-017-021-PAZ070-101-102-050015-
Kent DE-New Castle DE-Queen Anne's MD-Kent MD-Caroline MD-Salem NJ-
Cumberland NJ-Gloucester NJ-Delaware PA-Western Chester PA-
Eastern Chester PA-
732 PM EDT Thu Aug 4 2022

...Strong thunderstorms will impact portions of New Castle, Kent,
northeastern Queen Anne's, northeastern Caroline, northeastern Kent,
west central Cumberland, Salem, northwestern Gloucester, south
central Chester and southwestern Delaware Counties through 815 PM
EDT...

At 731 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near West Grove to Cecilton to Church Hill.
Movement was east at 40 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Wilmington, Dover, Newark, Middletown, Chester, Pennsville, Smyrna,
Carneys Point, Elsmere, Kennett Square, New Castle, Penns Grove,
Salem, Woodstown, Alloway, Camden, Clayton, West Grove, Quinton and
Swedesboro.

This includes the following highways...
 New Jersey Turnpike near exit 1.
 Interstate 95 in Pennsylvania between mile markers 0 and 3.
 Interstate 95 in Delaware between mile markers 1 and 23.
 Interstate 295 in New Jersey between mile markers 0 and 15.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3937 7597 3936 7588 3938 7577 3972 7579
      3972 7593 3993 7592 3983 7528 3931 7532
      3894 7550 3910 7609
TIME...MOT...LOC 2331Z 283DEG 34KT 3984 7585 3942 7588 3916 7599 

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

$$

MPS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 7:33 PM EDTSpecial Marine WarningPHI57 min
Aug 4, 4:29 PM EDTSpecial Weather StatementPHICarbon46 min
Aug 4, 5:11 PM EDTSpecial Weather StatementPHIMonroe34 min
Aug 4, 7:15 PM EDTSpecial Weather StatementPHIMontgomery30 min
Aug 4, 7:24 PM EDTSevere Thunderstorm WarningPHIBucks, Chester, Montgomery51 min
Aug 4, 7:41 PM EDTSevere Thunderstorm WarningPHINew Castle34 min
Aug 4, 6:35 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's40 min
Aug 4, 7:37 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot51 min

Nearby

Special Weather Statements in Delaware, 2022Special Weather Statements in New Jersey, 2022Every special weather statement 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.