Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 249, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 14, 2008, 2:45 PM EDT for Sussex County, New Jersey. It was in force for 60 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
- Aug 14, 2008, 2:45 PM EDT (18:45 UTC)
- Expired
- Aug 14, 2008, 3:45 PM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 141 km from the middle of the area, began a volume at 18:46 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, 6.8 hours before the alert went out and 161 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
- 444 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 751 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- -12 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 141845
SVRPHI
NJC037-141945-
/O.NEW.KPHI.SV.W.0249.080814T1845Z-080814T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
245 PM EDT THU AUG 14 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 345 PM EDT
* AT 242 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS
STORM WAS LOCATED NEAR HAINESVILLE...OR ABOUT NEAR MONTAGUE...AND
MOVING EAST AT 30 MPH. OTHER POSSIBLY SEVERE STORMS WERE LOCATED
OVER SOUTHERN MONROE COUNTY AND FARTHER WEST IN PIKE COUNTY WHICH
ALSO WILL MOVE OVER SUSSEX COUNTY DURING THE NEXT HOUR.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
HIGH POINT AND 7 MILES NORTH OF SUSSEX BY 255 PM...
7 MILES NORTH OF VERNON VALLEY BY 305 PM...
IN ADDITION TO LARGE HAIL...CLOUD TO GROUND LIGHTNING AND HEAVY
RAIN ARE 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.
LAT...LON 4120 7437 4111 7446 4101 7488 4106 7494
4111 7496 4117 7489 4120 7487 4123 7487
4128 7483 4134 7475 4135 7470
TIME...MOT...LOC 1843Z 248DEG 26KT 4125 7482
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 3:50 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 3 hr |
| Aug 14, 4:12 PM EDT | Flash Flood Warning | PHI | Sussex | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.