Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 19, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 1, 2008, 9:02 PM EDT for Hunterdon County, Morris County, Warren County, New Jersey; Northampton County, Pennsylvania. It was in force for 37 min. 3 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, 9:02 PM EDT (01:02 UTC)
- Expired
- Apr 1, 2008, 9:39 PM EDT
- In force
- 37 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Hunterdon County, NJ, Morris County, NJ, Warren County, NJ, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 122 km from the middle of the area, began a volume at 01:05 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, 9:07 PM EDT | HAIL 0.5 | Stockertown, PA | ALSO, PEAK WIND GUST 49 MPH AT FORKS TOWNSHIP. |
| 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, 1.0 hours before the alert went out and 185 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 020103
SVRPHI
NJC019-027-041-PAC095-020200-
/O.NEW.KPHI.SV.W.0019.080402T0102Z-080402T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
902 PM EDT TUE APR 1 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
SOUTHWESTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
NORTHERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 1000 PM EDT
* AT 902 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS
STORM WAS LOCATED NEAR BETHLEHEM...AND MOVING EAST AT 50 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
HARMONY AND ALPHA BY 910 PM EDT...
BRASS CASTLE AND ROXBURG BY 915 PM EDT...
WASHINGTON...PLEASANT VALLEY AND HAMPTON BY 920 PM EDT...
CALIFON BY 925 PM EDT...
LONG VALLEY BY 930 PM EDT...
IF YOU OBSERVE THREATENING WEATHER...SEEK SHELTER AT ONCE.
LAT...LON 4102 7490 4074 7466 4059 7532 4076 7546
4095 7517 4096 7514 4097 7514 4101 7507
4102 7505 4108 7496
TIME...MOT...LOC 0102Z 257DEG 53KT 4070 7531
$$
IOVINO1 follow-up statement
000
WWUS51 KPHI 020139
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
937 PM EDT TUE APR 1 2008
NJC019-027-041-PAC095-020147-
/O.CAN.KPHI.SV.W.0019.000000T0000Z-080402T0200Z/
WARREN NJ-MORRIS NJ-HUNTERDON NJ-NORTHAMPTON PA-
937 PM EDT TUE APR 1 2008
...THE SEVERE THUNDERSTORM WARNING FOR NORTHAMPTON...NORTHERN
HUNTERDON...WEST CENTRAL MORRIS AND WARREN COUNTIES IS CANCELLED...
THE SEVERE WEATHER HAS MOVED TO THE EAST OF NORTHAMPTON...WARREN AND
HUNTERDON COUNTIES. THE SEVERE WEATHER HAS ALSO MOVED OUT OF
EXTREME WESTERN MORRIS COUNTY. AS A RESULT, THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED FOR THOSE LOCATIONS.
LAT...LON 4102 7490 4074 7466 4059 7532 4076 7546
4095 7517 4096 7514 4097 7514 4101 7507
4102 7505 4108 7496
TIME...MOT...LOC 0137Z 257DEG 53KT 4081 7465
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 8:34 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 56 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 |
| Apr 1, 8:18 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 27 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2008Severe Thunderstorm Warnings in Pennsylvania, 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.