Alert archive / New Jersey / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 145, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 23, 2014, 8:15 PM EDT for 4 counties in New Jersey; Bucks County, Philadelphia County, Pennsylvania. 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
- Jul 23, 2014, 8:15 PM EDT (00:15 UTC)
- Expired
- Jul 23, 2014, 9:15 PM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Mercer County, NJ, Monmouth County, NJ, Ocean County, NJ, Bucks County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 00:14 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 00:00Z, 0.3 hours before the alert went out and 189 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
- 347 J/kg
- Mixed-layer CIN
- -137 J/kg
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
418
WUUS51 KPHI 240015
SVRPHI
NJC005-021-025-029-PAC017-101-240115-
/O.NEW.KPHI.SV.W.0145.140724T0015Z-140724T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
815 PM EDT WED JUL 23 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MERCER COUNTY IN CENTRAL NEW JERSEY...
SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
NORTHEASTERN PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
SOUTHWESTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
NORTHWESTERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 915 PM EDT
* AT 811 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THE STORM WAS NEAR CROYDON...MOVING EAST AT 30
MPH. THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
BURLINGTON AND FLORENCE AROUND 820 PM EDT...
COLUMBUS AND JACKSONVILLE AROUND 830 PM EDT...
JOBSTOWN AND CROSSWICKS AROUND 835 PM EDT...
GEORGETOWN AND PEMBERTON AROUND 840 PM EDT...
WRIGHTSTOWN AND TABERNACLE AROUND 845 PM EDT...
BROWNS MILLS AND CREAM RIDGE AROUND 850 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS SEVERE
THUNDERSTORM. WHEN THUNDER ROARS...MOVE INDOORS! REMEMBER...IF YOU
CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3971 7453 4006 7509 4007 7510 4014 7501
4017 7507 4030 7498 4018 7419
TIME...MOT...LOC 0015Z 291DEG 25KT 4010 7487
$$
FORECASTER: SFJ2 follow-up statements
706 WWUS51 KPHI 240029 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 829 PM EDT WED JUL 23 2014 NJC005-021-025-029-PAC017-101-240115- /O.CON.KPHI.SV.W.0145.000000T0000Z-140724T0115Z/ MERCER NJ-BUCKS PA-PHILADELPHIA PA-BURLINGTON NJ-MONMOUTH NJ-OCEAN NJ- 829 PM EDT WED JUL 23 2014 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT FOR NORTHWESTERN OCEAN...SOUTHWESTERN MONMOUTH...BURLINGTON... NORTHEASTERN PHILADELPHIA...SOUTHEASTERN BUCKS AND SOUTHERN MERCER COUNTIES... AT 827 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR JACKSONVILLE...OR 11 MILES SOUTH OF TRENTON...MOVING EAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... JOBSTOWN BY 835 PM EDT... GEORGETOWN...PEMBERTON AND PEMBERTON HEIGHTS BY 840 PM EDT... WRIGHTSTOWN AND FORT DIX BY 845 PM EDT... MCGUIRE AFB AND NEW EGYPT BY 850 PM EDT... BROWNS MILLS AND COUNTRY LAKE ESTATES BY 855 PM EDT... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. LAT...LON 3971 7453 4005 7508 4028 7482 4018 7419 TIME...MOT...LOC 0030Z 291DEG 25KT 4006 7474 $$ SFJ
255 WWUS51 KPHI 240106 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 906 PM EDT WED JUL 23 2014 NJC005-021-025-029-PAC017-101-240116- /O.EXP.KPHI.SV.W.0145.000000T0000Z-140724T0115Z/ MERCER NJ-BUCKS PA-PHILADELPHIA PA-BURLINGTON NJ-MONMOUTH NJ-OCEAN NJ- 906 PM EDT WED JUL 23 2014 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OCEAN... SOUTHWESTERN MONMOUTH...BURLINGTON...NORTHEASTERN PHILADELPHIA... SOUTHEASTERN BUCKS AND SOUTHERN MERCER COUNTIES WILL EXPIRE AT 915 PM EDT... THE STORM THAT PROMPTED THE WARNING HAS WEAKENED. THUS...THE WARNING WILL EXPIRE AT 915 PM EDT. LAT...LON 3971 7453 4005 7508 4028 7482 4018 7419 TIME...MOT...LOC 0106Z 291DEG 25KT 3997 7444 $$ SFJ
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 8:33 PM EDT | Special Weather Statement | PHI | Cumberland, Salem | 57 min |
| Jul 23, 8:36 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jul 23, 8:41 PM EDT | Special Weather Statement | PHI | Middlesex, Monmouth | 64 min |
| Jul 23, 9:08 PM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Ocean | 37 min |
| Jul 23, 9:16 PM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 23, 9:32 PM EDT | Special Weather Statement | PHI | Cape May | 58 min |
| Jul 23, 11:02 PM EDT | Special Marine Warning | PHI | 58 min | |
| Jul 23, 11:05 PM EDT | Special Marine Warning | PHI | 85 min | |
| Jul 23, 8:31 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 59 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2014Severe Thunderstorm Warnings in Pennsylvania, 2014Every severe thunderstorm warning in 2014
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.