Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 231, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Oct 9, 2007, 2:25 PM EDT for Warren County, New Jersey; Monroe County, Pennsylvania. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 9, 2007, 2:25 PM EDT (18:25 UTC)
- Expired
- Oct 9, 2007, 3:12 PM EDT
- In force
- 47 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Warren County, NJ, Monroe County, PA
The radar
The Philadelphia radar (KDIX), 130 km from the middle of the area, began a volume at 18:26 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.4 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
- 135 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 579 m above ground
- 0-6 km bulk shear
- 45 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
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 091825
SVRPHI
NJC041-PAC089-091930-
/O.NEW.KPHI.SV.W.0231.071009T1825Z-071009T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
225 PM EDT TUE OCT 9 2007
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
NORTH CENTRAL WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 330 PM EDT
* AT 220 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS
STORM WAS LOCATED NEAR ANALOMINK...OR ABOUT 30 MILES NORTH OF
BETHLEHEM...AND MOVING EAST AT 15 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
ECHO LAKE BY 240 PM EDT...
ECHO LAKE AND 6 MILES NORTH OF COLUMBIA BY 245 PM EDT...
BLAIRSTOWN BY 300 PM EDT...
LAT...LON 4107 7496 4104 7491 4103 7491 4100 7487
4091 7506 4092 7511 4096 7514 4094 7518
4098 7533 4115 7525
TIME...MOT...LOC 1825Z 288DEG 16KT 4104 7518
$$
EBERWINE1 follow-up statement
000
WWUS51 KPHI 091912
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
309 PM EDT TUE OCT 9 2007
NJC041-PAC089-091919-
/O.CAN.KPHI.SV.W.0231.000000T0000Z-071009T1930Z/
WARREN NJ-MONROE PA-
309 PM EDT TUE OCT 9 2007
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MONROE AND NORTH
CENTRAL WARREN COUNTIES IS CANCELLED...
THE STRONGER THUNDERSTORMS HAVE MOVED EAST AND WEAKENED, HOWEVER,
HEAVY SHOWERS WERE LOCATED IN EASTERN MONROE COUNTY. THERE WAS SOME
FLOODING REPORTED ON NORMAL STREET IN STROUDSBURG WITH MORE HEAVY
SHOWERS TO MOVE THROUGH THERE WITHIN THE NEXT 30 MINUTES.
LAT...LON 4107 7496 4104 7491 4103 7491 4100 7487
4091 7506 4092 7511 4096 7514 4094 7518
4098 7533 4115 7525
TIME...MOT...LOC 1909Z 288DEG 16KT 4098 7493
$$
EBERWINEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 9, 1:06 PM EDT | Special Marine Warning | PHI | 54 min | |
| Oct 9, 1:29 PM EDT | Special Marine Warning | PHI | 46 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2007Severe Thunderstorm Warnings in Pennsylvania, 2007Every severe thunderstorm warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.