Alert archive / Delaware / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 170, NWS Philadelphia/Mount Holly

November 28, 2003Kent County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 28, 2003, 6:48 PM EST for Kent County, Delaware. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 28, 2003, 6:48 PM EST (23:48 UTC)
Expired
Nov 28, 2003, 7:45 PM EST
In force
57 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

County Kent County, DE

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.8 hours before the alert went out and 130 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 2003-11-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 12:00Z on 2003-11-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
943 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
179 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.

000 
WUUS51 KPHI 282348
SVRPHI
DEC001-290045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
647 PM EST FRI NOV 28 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE STORM WARNING FOR...
  KENT COUNTY IN CENTRAL DELAWARE.

* UNTIL 745 PM EST.

* AT 642 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE STORM... OVER HARTLY...MOVING EAST AT 45 MPH. DOPPLER RADAR
  WAS INDICATING WINDS JUST ABOVE THE GROUND EXCEEDING 60 MPH.

* THE SEVERE STORM WILL BE NEAR...
  CAMDEN...RISING SUN...DOVER...WOODSIDE AT 655 PM.
  FREDERICA AT 700 PM.
  BOWERS AT 705 PM.

SEEK SHELTER IMMEDIATELY IF SEE THREATENING WEATHER APPROACHING.

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

$$
LAT...LON 3907 7574 3927 7575 3929 7559 3918 7543
          3910 7541 3904 7535 3897 7533

TFG

Nearby

Severe Thunderstorm Warnings in Delaware, 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.