Alert archive / Delaware / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 89, NWS Philadelphia/Mount Holly

June 23, 2006New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 23, 2006, 2:48 PM EDT for New Castle County, Delaware. It was in force for 30 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
Jun 23, 2006, 2:48 PM EDT (18:48 UTC)
Expired
Jun 23, 2006, 3:18 PM EDT
In force
30 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County New Castle County, DE

The radar

The Dover AFB radar (KDOX), 99 km from the middle of the area, began a volume at 18:48 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 6.8 hours before the alert went out and 169 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 2006-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 161 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 2006-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
161 J/kg
Mixed-layer CIN
-222 J/kg
Mixed-layer LCL
1107 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
100 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 231848
SVRPHI
DEC003-231930-
/O.NEW.KPHI.SV.W.0089.060623T1848Z-060623T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
248 PM EDT FRI JUN 23 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE
  THIS INCLUDES THE CITIES OF...WILMINGTON...NEWARK

* UNTIL 330 PM EDT

* AT 246 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  STANTON...OR ABOUT NEAR NEWARK...AND MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  STANTON BY 255 PM EDT...
  NEWPORT BY 300 PM EDT...
  WILMINGTON MANOR...NEW CASTLE AND ELSMERE BY 305 PM EDT...
  WILMINGTON BY 320 PM EDT...

LAT...LON 3976 7579 3958 7578 3957 7558 3981 7550

$$

JJM/MPD
1 follow-up statement
000 
WWUS51 KPHI 231918
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
317 PM EDT FRI JUN 23 2006

DEC003-231927-
/O.CAN.KPHI.SV.W.0089.000000T0000Z-060623T1930Z/
NEW CASTLE DE-
317 PM EDT FRI JUN 23 2006

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN NEW CASTLE COUNTY IS
CANCELLED...

THE THUNDERSTORM WAS WEAKENING AND WAS MOVING OUT OF THE COUNTY AT 
315 PM EDT.

LAT...LON 3976 7579 3958 7578 3957 7558 3981 7550

$$

JJM/MPD

Nearby

Severe Thunderstorm Warnings in Delaware, 2006Every severe thunderstorm warning in 2006

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.