Alert archive / Delaware / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 137, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 4, 2006, 7:01 PM EDT for Sussex County, Delaware. It was in force for 89 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
- Jul 4, 2006, 7:01 PM EDT (23:01 UTC)
- Expired
- Jul 4, 2006, 8:30 PM EDT
- In force
- 89 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 13 km from the middle of the area, began a volume at 23:02 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 4, 7:30 PM EDT | TSTM WND GST 60 | Lewes, DE | REPORT FROM CAPE HENLOPEN PILOT TOWER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 4, 12:42 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.0 hours before the alert went out and 86 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.
- Mixed-layer CAPE
- 1321 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1068 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 042305
SVRPHI
DEC005-050030-
/O.NEW.KPHI.SV.W.0137.060704T2301Z-060705T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
701 PM EDT TUE JUL 4 2006
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SUSSEX COUNTY IN SOUTHERN DELAWARE
* UNTIL 830 PM EDT
* AT 658 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF THUNDERSTORMS IN SOUTHERN KENT COUNTY MOVING
SOUTHEAST...AND ANOTHER LINE OF THUNDERSTORMS MOVING EAST FROM
CAROLINE AND DORCHESTER COUNTIES IN MARYLAND. ALL THESE
THUNDERSTORMS ARE EXPECTED TO CROSS SUSSEX COUNTY DURING THE
EVENING HOURS. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING WINDS
IN EXCESS OF 60 MPH...HEAVY RAIN...AND FREQUENT CLOUD TO GROUND
LIGHTNING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SLAUGHTER BEACH...SEAFORD...MILTON...REHOBOTH BEACH...
MILLSBORO...LONG NECK...LEWES...LAUREL...ELLENDALE AND
BRIDGEVILLE.
LAT...LON 3880 7571 3847 7568 3846 7504 3878 7508
3893 7535
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 3:17 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 28 min |
| Jul 4, 3:54 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 36 min |
| Jul 4, 6:02 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 28 min |
| Jul 4, 6:50 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 40 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.