Alert archive / New Jersey / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 72, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 26, 2011, 9:44 PM EDT for Sussex County, Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 61 min. 2 reports 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
- May 26, 2011, 9:44 PM EDT (01:44 UTC)
- Expired
- May 26, 2011, 10:45 PM EDT
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 01:46 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 26, 9:50 PM EDT | TSTM WND DMG | Independence Twp, NJ | TREES DOWN. |
| May 26, 9:55 PM EDT | TSTM WND DMG | Allamuchy, NJ | TREES DOWN. |
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, 1.7 hours before the alert went out and 170 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
- 1038 J/kg
- Mixed-layer CIN
- -241 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
875
WUUS51 KPHI 270144
SVRPHI
NJC037-041-PAC089-095-270245-
/O.NEW.KPHI.SV.W.0072.110527T0144Z-110527T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
944 PM EDT THU MAY 26 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
EAST CENTRAL MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
THIS INCLUDES THE CITY OF NEWTON...
NORTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 1045 PM EDT
* AT 938 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR EAST
BANGOR... OR 14 MILES NORTH OF EASTON...AND MOVING NORTHEAST AT 40
MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
DELAWARE WATER GAP AND COLUMBIA AROUND 950 PM EDT...
BLAIRSTOWN AND ECHO LAKE AROUND 1000 PM EDT...
FLATBROOKVILLE AROUND 1005 PM EDT...
FIVE POINTS AROUND 1010 PM EDT...
CRANDON LAKES AROUND 1015 PM EDT...
BRANCHVILLE AND HAINESVILLE AROUND 1025 PM EDT...
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.
&&
LAT...LON 4119 7437 4091 7478 4077 7493 4078 7521
4093 7531 4111 7505 4109 7503 4111 7495
4120 7488 4123 7487 4135 7470
TIME...MOT...LOC 0143Z 231DEG 35KT 4093 7517
$$
RPW1 follow-up statement
300
WWUS51 KPHI 270212
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1012 PM EDT THU MAY 26 2011
NJC041-PAC089-095-270217-
/O.CAN.KPHI.SV.W.0072.000000T0000Z-110527T0245Z/
WARREN NJ-NORTHAMPTON PA-MONROE PA-
1012 PM EDT THU MAY 26 2011
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MONROE...
NORTHEASTERN NORTHAMPTON AND NORTHERN WARREN COUNTIES IS CANCELLED...
THE THUNDERSTORMS HAVE MOVED OUT OF THE AREA.
LAT...LON 4119 7437 4092 7477 4110 7497 4111 7496
4111 7495 4120 7488 4123 7487 4135 7470
TIME...MOT...LOC 0207Z 231DEG 35KT 4108 7493
$$
NJC037-270245-
/O.CON.KPHI.SV.W.0072.000000T0000Z-110527T0245Z/
SUSSEX NJ-
1012 PM EDT THU MAY 26 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR SUSSEX COUNTY...
AT 1003 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE STRONG THUNDERSTORMS OVER SOUTHERN SUSSEX COUNTY CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORMS WILL MOVE
NORTHEAST AT 40 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
CRANDON LAKES BY 1015 PM EDT...
BRANCHVILLE BY 1020 PM EDT...
BRANCHVILLE AND HAINESVILLE BY 1025 PM EDT...
SUSSEX BY 1035 PM EDT...
HIGH POINT BY 1040 PM EDT...
6 MILES NORTHWEST OF VERNON VALLEY BY 1045 PM EDT...
STRONG THUNDERSTORMS MAY ALSO AFFECT OTHER LOCATIONS IN THE COUNTY.
LAT...LON 4119 7437 4092 7477 4110 7497 4111 7496
4111 7495 4120 7488 4123 7487 4135 7470
TIME...MOT...LOC 0207Z 231DEG 35KT 4108 7493
$$
RPWThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 9:37 PM EDT | Special Weather Statement | PHI | Hunterdon | 53 min |
| May 26, 10:19 PM EDT | Special Weather Statement | PHI | Morris | 26 min |
| May 26, 8:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 48 min |
| May 26, 8:46 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 59 min |
| May 26, 8:50 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 55 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2011Severe Thunderstorm Warnings in Pennsylvania, 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.