Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 18, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 1, 2008, 8:34 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It was in force for 56 min. 5 reports 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
- Apr 1, 2008, 8:34 PM EDT (00:34 UTC)
- Expired
- Apr 1, 2008, 9:30 PM EDT
- In force
- 56 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 122 km from the middle of the area, began a volume at 00:35 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 |
|---|---|---|---|
| Apr 1, 8:43 PM EDT | HAIL 0.25 | Hope, NJ | |
| Apr 1, 9:00 PM EDT | TSTM WND DMG | 5 N Hope, NJ | TREES AND WIRES DOWN IN BLAIRSTOWN. |
| Apr 1, 9:00 PM EDT | TSTM WND GST 47 | High Point, NJ | A 47 MPH THUNDERSTORM WIND GUST WAS RECORDED IN HIGH POINT. |
| Apr 1, 9:10 PM EDT | TSTM WND DMG | Oxford, NJ | TREES AND WIRES DOWN IN WHITE TOWNSHIP. |
| Apr 1, 9:15 PM EDT | TSTM WND DMG | Great Meadows-Vienna, NJ | TREES AND WIRES DOWN IN INDEPENDENCE TOWNSHIP. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.6 hours before the alert went out and 150 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 258 m²/s²
- 0-3 km storm-relative helicity
- 258 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 020035
SVRPHI
NJC027-037-041-020130-
/O.NEW.KPHI.SV.W.0018.080402T0034Z-080402T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
834 PM EDT TUE APR 1 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
NORTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 930 PM EDT
* AT 834 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS
STORM WAS LOCATED NEAR COLUMBIA...AND MOVING NORTHEAST AT 50 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
GREAT MEADOWS AND BLAIRSTOWN BY 840 PM EDT...
GREENDELL AND ALLAMUCHY BY 845 PM EDT...
ANDOVER...NEWTON AND STANHOPE BY 850 PM EDT...
LAKE MOHAWK BY 855 PM EDT...
IF YOU OBSERVE THREATENING WEATHER...SEEK SHELTER AT ONCE.
LAT...LON 4120 7437 4108 7449 4104 7449 4105 7444
4101 7439 4100 7430 4095 7427 4094 7427
4076 7500 4085 7506 4087 7506 4095 7513
4108 7497 4108 7499 4136 7470
TIME...MOT...LOC 0034Z 243DEG 52KT 4088 7501
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 9:02 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Warren | 37 min |
| Apr 1, 9:20 PM EDT | Tornado Warning | PHI | Morris | 25 min |
| Apr 1, 9:32 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 30 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 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.