Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 84, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 16, 2008, 5:21 PM EDT for Cumberland County, Salem County, New Jersey; Kent County, New Castle County, Delaware. It was in force for 24 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 16, 2008, 5:21 PM EDT (21:21 UTC)
- Expired
- Jun 16, 2008, 5:45 PM EDT
- In force
- 24 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, New Castle County, DE, Cumberland County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 53 km from the middle of the area, began a volume at 21:21 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 |
|---|---|---|---|
| Jun 16, 5:26 PM EDT | TSTM WND DMG | Clayton, DE | WIRES DOWN IN CLAYTON. |
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 |
|---|---|---|---|
| Jun 16, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.4 hours before the alert went out and 53 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
- 53 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1872 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 28 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 162121
SVRPHI
DEC001-003-NJC011-033-162145-
/O.NEW.KPHI.SV.W.0084.080616T2121Z-080616T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
521 PM EDT MON JUN 16 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN KENT COUNTY IN CENTRAL DELAWARE...
SOUTH CENTRAL NEW CASTLE COUNTY IN NORTHERN DELAWARE...
WEST CENTRAL CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
EXTREME SOUTH CENTRAL SALEM COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 545 PM EDT
* AT 520 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
SMYRNA...OR ABOUT 12 MILES NORTH OF DOVER...AND MOVING EAST AT 55
MPH.
* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
AREAS OF THE INDICATED COUNTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MONDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
LAT...LON 3934 7573 3936 7550 3932 7544 3935 7540
3939 7545 3944 7535 3932 7529 3929 7531
3934 7534 3933 7537 3935 7540 3932 7543
3921 7538 3916 7542 3927 7571 3932 7576
TIME...MOT...LOC 2121Z 270DEG 48KT 3934 7541
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 31 min |
| Jun 16, 5:12 PM EDT | Special Marine Warning | PHI | 48 min | |
| Jun 16, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 67 min |
| Jun 16, 5:48 PM EDT | Special Marine Warning | PHI | 27 min | |
| Jun 16, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Warren | 37 min |
| Jun 16, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Cape May, Cumberland | 57 min |
| Jun 16, 6:01 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 44 min |
| Jun 16, 6:06 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jun 16, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 36 min |
| Jun 16, 7:08 PM EDT | Special Marine Warning | PHI | 39 min | |
| Jun 16, 5:06 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 39 min |
| Jun 16, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 31 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2008Severe Thunderstorm Warnings in Delaware, 2008Every severe thunderstorm warning in 2008
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.