Alert archive / New Jersey / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 150, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 12, 2014, 11:07 PM EDT for Atlantic County, Cumberland County, New Jersey. It was in force for 53 min. 1 report 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 12, 2014, 11:07 PM EDT (03:07 UTC)
- Expired
- Aug 13, 2014, 12:00 AM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 76 km from the middle of the area, began a volume at 03:08 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 12, 11:10 PM EDT | TSTM WND DMG | Millville, NJ | SOME TREES DOWN IN THE MILLVILLE AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.1 hours before the alert went out and 168 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
- 1513 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 469 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 7.7
The text
As transmitted, in the capitals the NWS used until 2016.
576 WUUS51 KPHI 130307 SVRPHI NJC001-011-130400- /O.NEW.KPHI.SV.W.0150.140813T0307Z-140813T0400Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1107 PM EDT TUE AUG 12 2014 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY... EASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY... * UNTIL MIDNIGHT EDT * AT 1103 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM. THE STORM WAS NEAR MILLVILLE...MOVING NORTHEAST AT 25 MPH. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... VINELAND AROUND 1115 PM EDT... DOROTHY AROUND 1120 PM EDT... BUENA AROUND 1130 PM EDT... MIZPAH AROUND 1135 PM EDT... MAYS LANDING AROUND 1140 PM EDT... WEYMOUTH AROUND 1145 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE WINDS OF MORE THAN 57 MPH...OR HAIL ONE INCH OR LARGER. DOPPLER RADAR HAS INDICATED SOME ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST FLOOR. && LAT...LON 3927 7504 3937 7516 3960 7489 3948 7469 TIME...MOT...LOC 0306Z 218DEG 20KT 3940 7501 $$ FORECASTER: GORSE
2 follow-up statements
485 WWUS51 KPHI 130325 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1125 PM EDT TUE AUG 12 2014 NJC001-011-130400- /O.CON.KPHI.SV.W.0150.000000T0000Z-140813T0400Z/ ATLANTIC NJ-CUMBERLAND NJ- 1125 PM EDT TUE AUG 12 2014 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR NORTHEASTERN CUMBERLAND AND WEST CENTRAL ATLANTIC COUNTIES... AT 1122 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR MIZPAH...OR 6 MILES EAST OF VINELAND...MOVING NORTHEAST AT 30 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... MIZPAH BY 1130 PM EDT... WEYMOUTH AND 7 MILES SOUTHEAST OF COLLINGS LAKES BY 1135 PM EDT... DOPPLER RADAR HAS INDICATED SOME ROTATION AT TIMES WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A BRIEF TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED OR OCCURS...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. LAT...LON 3935 7491 3945 7506 3960 7489 3948 7469 TIME...MOT...LOC 0324Z 225DEG 27KT 3947 7486 $$ GORSE
301 WWUS51 KPHI 130351 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1151 PM EDT TUE AUG 12 2014 NJC001-011-130401- /O.EXP.KPHI.SV.W.0150.000000T0000Z-140813T0400Z/ ATLANTIC NJ-CUMBERLAND NJ- 1151 PM EDT TUE AUG 12 2014 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CUMBERLAND AND WEST CENTRAL ATLANTIC COUNTIES WILL EXPIRE AT MIDNIGHT EDT... THE STORM THAT PROMPTED THE WARNING HAS GENERALLY WEAKENED, AND THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. LAT...LON 3935 7491 3945 7506 3960 7489 3948 7469 TIME...MOT...LOC 0351Z 225DEG 27KT 3961 7467 $$ GORSE
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 8:11 PM EDT | Flash Flood Warning | PHI | Cumberland | 6 hr |
| Aug 12, 10:03 PM EDT | Areal Flood Advisory | PHI | Atlantic, Cape May | 4 hr |
| Aug 12, 10:33 PM EDT | Flash Flood Warning | PHI | Atlantic, Cumberland | 4 hr |
| Aug 12, 11:25 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 5 hr |
| Aug 12, 11:31 PM EDT | Special Marine Warning | PHI | 59 min | |
| Aug 13, 12:27 AM EDT | Special Marine Warning | PHI | 93 min | |
| Aug 13, 12:36 AM EDT | Special Weather Statement | PHI | Atlantic, Ocean | 54 min |
| Aug 13, 1:03 AM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Ocean | 4 hr |
| Aug 13, 1:08 AM EDT | Special Weather Statement | PHI | Atlantic | 37 min |
| Aug 13, 1:25 AM EDT | Special Marine Warning | PHI | 95 min | |
| Aug 13, 1:39 AM EDT | Areal Flood Advisory | PHI | Monmouth | 4 hr |
| Aug 13, 1:53 AM EDT | Special Marine Warning | PHI | 82 min | |
| Aug 13, 2:26 AM EDT | Areal Flood Warning | PHI | Atlantic, Cumberland | 6 hr |
| Aug 13, 12:28 PM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 8 hr |
| Aug 13, 4:07 PM EDT | Special Weather Statement | PHI | Sussex | 53 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.