Alert archive / New Jersey / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 232, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 28, 2009, 5:47 PM EDT for Burlington County, New Jersey. It was in force for 28 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
- Sep 28, 2009, 5:47 PM EDT (21:47 UTC)
- Expired
- Sep 28, 2009, 6:15 PM EDT
- In force
- 28 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Burlington County, NJ
The radar
The Philadelphia radar (KDIX), 26 km from the middle of the area, began a volume at 21:49 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.8 hours before the alert went out and 132 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1217 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 199 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 282147
SVRPHI
NJC005-282215-
/O.NEW.KPHI.SV.W.0232.090928T2147Z-090928T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
547 PM EDT MON SEP 28 2009
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 615 PM EDT
* AT 547 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR LUMBERTON...OR 17
MILES EAST OF CAMDEN...AND MOVING EAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
PEMBERTON...LEISURETOWNE...JOBSTOWN AND 8 MILES NORTH OF TABERNACLE
AROUND 555 PM EDT...
WRIGHTSTOWN AND 8 MILES SOUTH OF GEORGETOWN AROUND 600 PM EDT...
BROWNS MILLS AND PRESIDENTIAL LAKES AROUND 610 PM EDT...
9 MILES NORTH OF CHATSWORTH AROUND 615 PM EDT...
LAT...LON 4015 7470 4008 7459 3977 7445 3983 7481
3989 7491 4009 7482
TIME...MOT...LOC 2147Z 276DEG 30KT 3997 7480
$$1 follow-up statement
000
WWUS51 KPHI 282208
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
608 PM EDT MON SEP 28 2009
NJC005-282217-
/O.EXP.KPHI.SV.W.0232.000000T0000Z-090928T2215Z/
BURLINGTON NJ-
608 PM EDT MON SEP 28 2009
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BURLINGTON COUNTY WILL
EXPIRE AT 615 PM EDT...
THE SHOWERS WITH STRONG GUSTY WINDS AND ISOLATED THUNDERSTORMS HAVE
WEAKENED OVER CENTRAL AND NORTHERN BURLINGTON COUNTY. HOWEVER
LOCALIZED WIND GUSTS IN SHOWERS MAY BE NEAR 45 MILES AN HOUR THROUGH
6:45 PM.
LAT...LON 4015 7470 4008 7459 3977 7445 3983 7481
3989 7491 4009 7482
TIME...MOT...LOC 2207Z 276DEG 30KT 3995 7458
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 6:12 PM EDT | Special Marine Warning | PHI | 53 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2009Every severe thunderstorm warning in 2009
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.