Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 58, NWS Philadelphia/Mount Holly

June 10, 2008Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 10, 2008, 7:13 PM EDT for Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 77 min. 6 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
Jun 10, 2008, 7:13 PM EDT (23:13 UTC)
Expired
Jun 10, 2008, 8:30 PM EDT
In force
77 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 140 km from the middle of the area, began a volume at 23:12 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

TimeReportWhereRemark
Jun 10, 7:17 PM EDTHAIL 0.88East Stroudsburg, PANICKEL SIZE HAIL IN EAST STROUDSBURG.
Jun 10, 7:20 PM EDTTSTM WND DMGStroudsburg, PAWIRES DOWN IN STROUDSBURG
Jun 10, 7:20 PM EDTHAIL 0.88East Stroudsburg, PANICKEL SIZE HAIL IN EAST STROUDSBURG.
Jun 10, 7:25 PM EDTTSTM WND DMG2 Sw East Stroudsburg, PATREES DOWN IN SMITHFIELD TWP IN MARSHALLS CREEK
Jun 10, 7:45 PM EDTTSTM WND DMGFlatbrookville, NJTREES AND WIRES DOWN SCATTERED THROUGHOUT THE COUNTY THROUGH 830 PM.
Jun 10, 8:33 PM EDTTSTM WND DMG2 Sw East Stroudsburg, PATREES DOWN IN SMITHFIELD TWP.

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.

IssuedProductOfficeLasted
Jun 10, 5:47 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.2 hours before the alert went out and 170 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2008-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 365 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2008-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
365 J/kg
Mixed-layer CIN
-125 J/kg
Mixed-layer LCL
1989 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KPHI 102314
SVRPHI
NJC037-041-PAC089-095-110030-
/O.NEW.KPHI.SV.W.0058.080610T2313Z-080611T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
713 PM EDT TUE JUN 10 2008

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
  EAST CENTRAL MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
  SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
  NORTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY...

* UNTIL 830 PM EDT

* AT 710 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND   
  DAMAGING WINDS TO 60 MPH.  THIS STORM WAS LOCATED NEAR EAST        
  STROUDSBURG...OR ABOUT 26 MILES NORTH OF BETHLEHEM...AND           
  MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ANALOMINK BY 720 PM...
  ECHO LAKE BY 740 PM...
  MILLBROOK BY 750 PM...
  FLATBROOKVILLE BY 755 PM...
  HAINESVILLE BY 830 PM...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY
MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.

LAT...LON 4129 7462 4121 7457 4107 7453 4095 7476
      4080 7511 4107 7526 4116 7516 4115 7509
      4109 7503 4111 7496 4117 7489 4128 7483
      4134 7475 4135 7470
TIME...MOT...LOC 2313Z 227DEG 30KT 4101 7521

$$

GORSE
2 follow-up statements
000 
WWUS51 KPHI 102356
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
755 PM EDT TUE JUN 10 2008

NJC041-PAC089-095-110005-
/O.CAN.KPHI.SV.W.0058.000000T0000Z-080611T0030Z/
WARREN NJ-NORTHAMPTON PA-MONROE PA-
755 PM EDT TUE JUN 10 2008

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MONROE...
NORTHEASTERN NORTHAMPTON AND NORTHERN WARREN COUNTIES IS CANCELLED...

THE MOST INTENSE THUNDERSTORM HAS EXITED THE AREA, THEREFORE THE 
WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
WEDNESDAY MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.

LAT...LON 4129 7462 4121 7457 4107 7453 4095 7476
      4094 7480 4110 7497 4117 7489 4128 7483
      4134 7475 4135 7470
TIME...MOT...LOC 2355Z 227DEG 30KT 4125 7487

$$

NJC037-110030-
/O.CON.KPHI.SV.W.0058.000000T0000Z-080611T0030Z/
SUSSEX NJ-
755 PM EDT TUE JUN 10 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SUSSEX COUNTY...

AT 753 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE 
HAIL...AND DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR 
HAINESVILLE...OR 42 MILES EAST OF SCRANTON...MOVING NORTHEAST AT
34 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  HAINESVILLE BY 800 PM EDT...
  HIGH POINT BY 815 PM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
WEDNESDAY MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.

LAT...LON 4129 7462 4121 7457 4107 7453 4095 7476
      4094 7480 4110 7497 4117 7489 4128 7483
      4134 7475 4135 7470
TIME...MOT...LOC 2355Z 227DEG 30KT 4125 7487

$$

GORSE
000 
WWUS51 KPHI 110028
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
826 PM EDT TUE JUN 10 2008

NJC037-110036-
/O.EXP.KPHI.SV.W.0058.000000T0000Z-080611T0030Z/
SUSSEX NJ-
826 PM EDT TUE JUN 10 2008

...THE SEVERE THUNDERSTORM WARNING FOR SUSSEX COUNTY WILL EXPIRE AT
830 PM EDT...

THE MOST INTENSE THUNDERSTORM CONTINUES TO MOVE OUT OF THE AREA, 
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER, A SEPARATE 
SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM FOR FAR 
NORTHEASTERN SUSSEX COUNTY.

ADDITIONAL SHOWERS AND THUNDERSTORMS WILL MOVE IN FROM THE WEST AND 
SOUTHWEST DURING THE REMAINDER OF THIS EVENING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
WEDNESDAY MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.

LAT...LON 4129 7462 4121 7457 4107 7453 4095 7476
      4094 7480 4110 7497 4117 7489 4128 7483
      4134 7475 4135 7470
TIME...MOT...LOC 0026Z 227DEG 30KT 4143 7462

$$

GORSE

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 5:47 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe58 min
Jun 10, 5:51 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh54 min
Jun 10, 6:20 PM EDTSevere Thunderstorm WarningPHIMonroe40 min
Jun 10, 6:42 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh59 min
Jun 10, 6:47 PM EDTFlash Flood WarningPHIBerks, Lehigh3 hr
Jun 10, 6:57 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton48 min
Jun 10, 7:02 PM EDTSevere Thunderstorm WarningPHIChester58 min
Jun 10, 7:36 PM EDTSevere Thunderstorm WarningPHIBucks, Chester, Montgomery54 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.