Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 201, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 2, 2008, 4:35 PM EDT for Burlington County, New Jersey. It was in force for 55 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
- Aug 2, 2008, 4:35 PM EDT (20:35 UTC)
- Expired
- Aug 2, 2008, 5:30 PM EDT
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Burlington County, NJ
The radar
The Philadelphia radar (KDIX), 29 km from the middle of the area, began a volume at 20:35 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 |
|---|---|---|---|
| Aug 2, 4:45 PM EDT | HAIL 0.25 | Willingboro, NJ | PEA SIZE HAIL REPORTED IN WILLINGBORO. |
| Aug 2, 4:45 PM EDT | HAIL 0.75 | Mount Holly, NJ | PENNY SIZE HAIL AT NWSWFO MOUNT HOLLY. |
| Aug 2, 4:45 PM EDT | HAIL 0.75 | Mount Holly Springs, NJ | PENNY SIZE HAIL AT WFO PHI OFFICE. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 2, 10:39 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.6 hours before the alert went out and 184 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
- 84 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 1436 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 65 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 022035 SVRPHI NJC005-022130- /O.NEW.KPHI.SV.W.0201.080802T2035Z-080802T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 435 PM EDT SAT AUG 2 2008 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY... * UNTIL 530 PM EDT * AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WILLINGBORO...OR ABOUT 13 MILES NORTHEAST OF CAMDEN...AND MOVING EAST AT 13 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BURLINGTON BY 440 PM... MOUNT HOLLY AND LUMBERTON BY 455 PM... JACKSONVILLE BY 500 PM... JOBSTOWN BY 520 PM... PEMBERTON...6 MILES NORTH OF LEISURETOWNE AND 7 MILES SOUTH OF GEORGETOWN BY 525 PM... WRIGHTSTOWN BY 530 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 600 PM SATURDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA. LAT...LON 4010 7460 3988 7465 3994 7500 4010 7484 TIME...MOT...LOC 2035Z 280DEG 11KT 4001 7487 $$ MPD
1 follow-up statement
000 WWUS51 KPHI 022122 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 522 PM EDT SAT AUG 2 2008 NJC005-022132- /O.EXP.KPHI.SV.W.0201.000000T0000Z-080802T2130Z/ BURLINGTON NJ- 522 PM EDT SAT AUG 2 2008 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BURLINGTON COUNTY WILL EXPIRE AT 530 PM EDT... THE THREAT FOR SEVERE WEATHER HAS DIMINISHED. THE WARNING HAS BEEN ALLOWED TO EXPIRE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT SATURDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA. LAT...LON 4010 7460 3988 7465 3994 7500 4010 7484 TIME...MOT...LOC 2122Z 280DEG 11KT 3998 7469 $$ MPD
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 6:55 AM EDT | Special Marine Warning | PHI | 65 min | |
| Aug 2, 7:20 AM EDT | Special Marine Warning | PHI | 115 min | |
| Aug 2, 7:40 AM EDT | Severe Thunderstorm Warning | PHI | Cape May | 65 min |
| Aug 2, 8:08 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 52 min |
| Aug 2, 8:31 AM EDT | Special Marine Warning | PHI | 119 min | |
| Aug 2, 9:22 AM EDT | Special Marine Warning | PHI | 24 min | |
| Aug 2, 10:51 AM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 3 hr |
| Aug 2, 11:31 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 59 min |
| Aug 2, 12:06 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 54 min |
| Aug 2, 12:54 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 66 min |
| Aug 2, 1:22 PM EDT | Special Marine Warning | PHI | 53 min | |
| Aug 2, 5:40 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 65 min |
| Aug 2, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 55 min |
| Aug 2, 5:58 PM EDT | Special Marine Warning | PHI | 62 min | |
| Aug 2, 6:19 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 56 min |
| Aug 2, 6:35 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 26 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.