Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 20, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 1, 2008, 9:32 PM EDT for Morris County, Somerset County, New Jersey. It was in force for 30 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
- Apr 1, 2008, 9:32 PM EDT (01:32 UTC)
- Expired
- Apr 1, 2008, 10:02 PM EDT
- In force
- 30 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 97 km from the middle of the area, began a volume at 01:35 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, 9:45 PM EDT | TSTM WND DMG | Peapack And Gladstone, NJ | TREE LIMBS AND POWER LINES DOWN. |
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, 1.5 hours before the alert went out and 131 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 020133
SVRPHI
NJC027-035-020230-
/O.NEW.KPHI.SV.W.0020.080402T0132Z-080402T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
932 PM EDT TUE APR 1 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
NORTH CENTRAL SOMERSET COUNTY IN NORTHERN NEW JERSEY...
* UNTIL 1030 PM EDT
* AT 930 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
CHESTER...AND MOVING EAST AT 50 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
DOVER...BASKING RIDGE AND MILLINGTON BY 940 PM EDT...
MORRISTOWN...PARSIPPANY...MADISON AND BOONTON BY 945 PM EDT...
EAST HANOVER BY 950 PM EDT...
LAT...LON 4089 7430 4089 7433 4087 7433 4085 7431
4078 7437 4075 7435 4074 7436 4066 7446
4068 7472 4084 7478 4091 7456 4091 7429
TIME...MOT...LOC 0132Z 258DEG 58KT 4077 7470
$$
IOVINO1 follow-up statement
000
WWUS51 KPHI 020202
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
958 PM EDT TUE APR 1 2008
NJC027-035-020208-
/O.CAN.KPHI.SV.W.0020.000000T0000Z-080402T0230Z/
MORRIS NJ-SOMERSET NJ-
958 PM EDT TUE APR 1 2008
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SOMERSET AND
SOUTHERN MORRIS COUNTIES IS CANCELLED...
THE THUNDERSTORMS OVER MORRIS AND SOMERSET COUNTIES HAVE WEAKENED.
AS A RESULT...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 4089 7430 4089 7433 4087 7433 4085 7431
4078 7437 4075 7435 4074 7436 4066 7446
4068 7472 4084 7478 4091 7456 4091 7429
TIME...MOT...LOC 0158Z 258DEG 58KT 4085 7416
$$
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, 9:02 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Warren | 37 min |
| Apr 1, 9:20 PM EDT | Tornado Warning | PHI | Morris | 25 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.