Alert archive / Delaware / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 38, NWS Philadelphia/Mount Holly

July 6, 2003Kent County, Delaware; Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2003, 12:16 AM EDT for Kent County, Delaware; Cumberland County, New Jersey. It was in force for 59 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 6, 2003, 12:16 AM EDT (04:16 UTC)
Expired
Jul 6, 2003, 1:15 AM EDT
In force
59 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Kent County, DE, Cumberland County, NJ

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 4.3 hours before the alert went out and 144 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 00:00Z on 2003-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1511 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 00:00Z on 2003-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939Sfc1 km3 km6 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
1511 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1011 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

083 
WUUS51 KPHI 060416
SVRPHI
DEC001-NJC011-060515-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1216 AM EDT SUN JUL 6 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN KENT COUNTY IN CENTRAL DELAWARE.
  CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY.

* UNTIL 115 AM EDT.

* AT 1209 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM... 3 MILES WEST OF CHESWOLD...MOVING EAST AT 30
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BOWERS AT 1230 AM.
  FAIRTON AT 1250 AM.
  PORT NORRIS AT 105 AM.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.

LAT...LON 3928 7570 3893 7542 3920 7496 3945 7510
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 5:23 PM EDTSevere Thunderstorm WarningPHINew Castle37 min
Jul 6, 12:20 AM EDTSpecial Marine WarningPHI55 min
Jul 6, 12:41 AM EDTSpecial Marine WarningPHI49 min
Jul 6, 12:55 AM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May65 min
Jul 6, 4:53 PM EDTSevere Thunderstorm WarningPHISalem37 min
Jul 6, 5:34 PM EDTSevere Thunderstorm WarningPHICumberland41 min
Jul 6, 5:51 PM EDTSevere Thunderstorm WarningPHIAtlantic39 min
Jul 6, 5:55 PM EDTSpecial Marine WarningPHI65 min
Jul 6, 6:05 PM EDTSpecial Marine WarningPHI115 min

Nearby

Severe Thunderstorm Warnings in Delaware, 2003Severe Thunderstorm Warnings in New Jersey, 2003Every severe thunderstorm warning in 2003

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.