Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 305, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 14, 2011, 11:50 PM EDT for Sussex County, New Jersey. It was in force for 23 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
- Sep 14, 2011, 11:50 PM EDT (03:50 UTC)
- Expired
- Sep 15, 2011, 12:13 AM EDT
- In force
- 23 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 138 km from the middle of the area, began a volume at 03:50 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 |
|---|---|---|---|
| Sep 14, 11:50 PM EDT | HAIL 1 | Vernon, NJ |
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 00:00Z, 3.8 hours before the alert went out and 138 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
- 853 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
445
WUUS51 KPHI 150350
SVRPHI
NJC037-150430-
/O.NEW.KPHI.SV.W.0305.110915T0350Z-110915T0430Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1150 PM EDT WED SEP 14 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 1230 AM EDT
* AT 1145 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
HIGHLAND LAKE...OR 15 MILES NORTHEAST OF NEWTON...AND MOVING
NORTHEAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
AREAS OF THE INDICATED COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 4123 7443 4120 7437 4118 7437 4115 7441
4109 7448 4115 7464 4126 7449
TIME...MOT...LOC 0350Z 208DEG 30KT 4122 7449
$$
HAYES1 follow-up statement
956
WWUS51 KPHI 150413
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1213 AM EDT THU SEP 15 2011
NJC037-150423-
/O.CAN.KPHI.SV.W.0305.000000T0000Z-110915T0430Z/
SUSSEX NJ-
1213 AM EDT THU SEP 15 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SUSSEX COUNTY IS
CANCELLED...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
THE STORM HAS WEAKENED AND MOVED OUT OF THE AREA.
LAT...LON 4123 7443 4120 7437 4118 7437 4115 7441
4109 7448 4115 7464 4126 7449
TIME...MOT...LOC 0413Z 208DEG 30KT 4138 7436
$$
HAYESThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 9:27 PM EDT | Special Weather Statement | PHI | Hunterdon, Warren | 2 hr |
| Sep 14, 10:27 PM EDT | Special Weather Statement | PHI | Hunterdon | 63 min |
| Sep 14, 10:58 PM EDT | Special Weather Statement | PHI | Sussex, Warren | 62 min |
| Sep 14, 11:17 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 58 min |
| Sep 14, 11:42 PM EDT | Special Weather Statement | PHI | Sussex | 63 min |
| Sep 15, 6:50 AM EDT | Gale Warning | PHI | 22 hr | |
| Sep 15, 3:13 PM EDT | Special Weather Statement | PHI | Atlantic | 47 min |
| Sep 15, 3:33 PM EDT | Special Marine Warning | PHI | 12 min | |
| Sep 15, 3:44 PM EDT | Special Marine Warning | PHI | 61 min | |
| Sep 15, 3:48 PM EDT | Special Marine Warning | PHI | 57 min | |
| Sep 15, 4:10 PM EDT | Special Weather Statement | PHI | Atlantic | 95 min |
| Sep 15, 7:48 PM EDT | Wind Advisory | PHI | Cape May | 4 hr |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2011Every severe thunderstorm warning in 2011
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.