Alert archive / Delaware / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 54, NWS Philadelphia/Mount Holly

June 28, 2005Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 28, 2005, 3:47 PM EDT for Sussex County, Delaware. It was in force for 28 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, 3:47 PM EDT (19:47 UTC)
Expired: Jun 28, 2005, 4:15 PM EDT
In force: 28 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, 4:00 PM EDT	TSTM WND DMG	Long Neck, DE	SEVERAL TREES DOWN IN AND AROUND ANGOLA AREA. NO STRUCTURAL DAMAGE.

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, 7.8 hours before the alert went out and 84 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 281947
SVRPHI
DEC005-282015-
/O.NEW.KPHI.SV.W.0054.050628T1947Z-050628T2015Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL SUSSEX COUNTY IN SOUTHERN DELAWARE

* UNTIL 415 PM EDT

* AT 340 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS TO 60 MPH.  THIS STORM WAS LOCATED NEAR
  LONG NECK AND MOVING EAST AT 10 MPH. THE PREVIOUS SEVERE THUNDERSTORM
  PRODUCED A FUNNEL CLOUD JUST EAST OF MILLSBORO. TORRENTIAL RAINS
  WILL ALSO CONTINUE WITH THIS STORM.
   

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  REHOBOTH BEACH BY 410 PM EDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3865 7520 3851 7504 3866 7489 3878 7514

$$

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, 3:58 PM EDT	Severe Thunderstorm Warning	PHI	Kent, New Castle	62 min
Jun 28, 4:18 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	42 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.