Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 135, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 18, 2008, 4:37 PM EDT for Burlington County, New Jersey. It was in force for 53 min. 2 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
- Jul 18, 2008, 4:37 PM EDT (20:37 UTC)
- Expired
- Jul 18, 2008, 5:30 PM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Burlington County, NJ
The radar
The Philadelphia radar (KDIX), 31 km from the middle of the area, began a volume at 20:38 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 |
|---|---|---|---|
| Jul 18, 4:55 PM EDT | TSTM WND DMG | Willingboro, NJ | TREES AND WIRES KNOCKED DOWN IN WILLINGBORO. |
| Jul 18, 4:55 PM EDT | HAIL 0.75 | 5 W Jacksonville, NJ | PENNY SIZE HAIL IN BURLINGTON 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 12:00Z, 8.6 hours before the alert went out and 187 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
- 26 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1439 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 30 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 182037 SVRPHI NJC005-182130- /O.NEW.KPHI.SV.W.0135.080718T2037Z-080718T2130Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 437 PM EDT FRI JUL 18 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 12 MILES EAST OF PHILADELPHIA...AND MOVING SOUTHEAST AT 11 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 7 MILES NORTHEAST OF MOUNT LAUREL BY 445 PM... JACKSONVILLE BY 505 PM... MOUNT HOLLY AND LUMBERTON BY 510 PM... 6 MILES NORTHEAST OF MEDFORD BY 520 PM... JOBSTOWN BY 525 PM... PEMBERTON AND 7 MILES SOUTHWEST OF WRIGHTSTOWN BY 530 PM... LAT...LON 4003 7456 3986 7487 4000 7502 4011 7480 TIME...MOT...LOC 2037Z 296DEG 9KT 4003 7489 $$ KRUZDLO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 5:03 AM EDT | Coastal Flood Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 15 hr |
| Jul 18, 5:00 PM EDT | Areal Flood Advisory | PHI | Burlington | 3 hr |
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.