Alert archive / Delaware / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 56, NWS Philadelphia/Mount Holly

June 28, 2005Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 28, 2005, 4:18 PM EDT for Sussex County, Delaware. It was in force for 42 min. 1 report 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: Jun 28, 2005, 4:18 PM EDT (20:18 UTC)
Expired: Jun 28, 2005, 5:00 PM EDT
In force: 42 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Sussex County, DE

What was reported inside it

Time	Report	Where	Remark
Jun 28, 4:45 PM EDT	TSTM WND DMG	Lewes, DE	TREES UPROOTED. IN ADDITION, 3 TO 4 INCHES OF RAIN WAS REPORTED.

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.3 hours before the alert went out and 85 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: 2146 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 33 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 282020
SVRPHI
DEC005-282100-
/O.NEW.KPHI.SV.W.0056.050628T2018Z-050628T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
418 PM EDT TUE JUN 28 2005

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTEREN SUSSEX COUNTY IN SOUTHERN DELAWARE

* UNTIL 500 PM EDT

* AT 414 PM EDT...ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODUCING 
  DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL
  MPH. THIS STORM WAS LOCATED NEAR LONG NECK AND MOVING NORTHEAST 
  AT 15 MPH. TORRENTIAL RAINS WILL ALSO ACCOMPANY THIS STORM
  AND POSSIBLY HAIL TO PENNY SIZE. FUNNEL CLOUDS HAVE BEEN REPORTED
  WITH PREVIOUS SEVERE THUNDERSTORMS.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  REHOBOTH BEACH BY 445 PM EDT

LAT...LON 3863 7532 3852 7514 3873 7490 3886 7512

$$

TFG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 2:14 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	61 min
Jun 28, 2:37 PM EDT	Flash Flood Warning	PHI	Sussex	113 min
Jun 28, 3:36 PM EDT	Flash Flood Warning	PHI	New Castle	3 hr
Jun 28, 3:42 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	33 min
Jun 28, 3:47 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	28 min
Jun 28, 3:58 PM EDT	Severe Thunderstorm Warning	PHI	Kent, New Castle	62 min
Jun 28, 4:28 PM EDT	Flash Flood Warning	PHI	Sussex	3 hr

Nearby

Severe Thunderstorm Warnings in Delaware, 2005 Every severe thunderstorm warning in 2005

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.