Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 142, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 25, 2016, 5:57 PM EDT for Bucks County, Lehigh County, Northampton County, Pennsylvania; Hunterdon County, Warren County, New Jersey. It was in force for 48 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
- Jul 25, 2016, 5:57 PM EDT (21:57 UTC)
- Expired
- Jul 25, 2016, 6:45 PM EDT
- In force
- 48 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Hunterdon County, NJ, Warren County, NJ, Bucks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 83 km from the middle of the area, began a volume at 21:59 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 |
|---|---|---|---|
| Jul 25, 6:05 PM EDT | TSTM WND DMG | Springfield Twp, PA | SOME TREES DOWN. TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 25, 12:43 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.0 hours before the alert went out and 177 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
- 136 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1205 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
340
WUUS51 KPHI 252157
SVRPHI
NJC019-041-PAC017-077-095-252245-
/O.NEW.KPHI.SV.W.0142.160725T2157Z-160725T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
557 PM EDT MON JUL 25 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...
SOUTHERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
SOUTHEASTERN LEHIGH COUNTY IN EASTERN PENNSYLVANIA...
NORTHWESTERN BUCKS COUNTY IN SOUTHEASTERN PENNSYLVANIA...
* UNTIL 645 PM EDT
* AT 557 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
BETHLEHEM...OR NEAR ALLENTOWN...MOVING EAST AT 45 MPH.
HAZARD...70 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO
MOBILE HOMES...ROOFS...AND OUTBUILDINGS.
* LOCATIONS IMPACTED INCLUDE...
ALLENTOWN...EASTON...BETHLEHEM...FORKS...EMMAUS...NORTHAMPTON...
BYRAM...WILSON...BEDMINSTER...WASHINGTON...HELLERTOWN...NAZARETH...
FLEMINGTON...TINICUM...HIGH BRIDGE...CLINTON...BATH...HARMONY...
NEW HOPE AND ALPHA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INTENSE THUNDERSTORM LINES CAN PRODUCE BRIEF TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IT IS BEST TO MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A BUILDING. THIS STORM MAY CAUSE SERIOUS INJURY AND
SIGNIFICANT PROPERTY DAMAGE.
IN ADDITION TO 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.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 4077 7486 4074 7483 4074 7478 4072 7474
4051 7480 4050 7479 4038 7482 4038 7487
4035 7485 4034 7490 4052 7555 4078 7548
TIME...MOT...LOC 2157Z 279DEG 40KT 4064 7539
TORNADO...POSSIBLE
HAIL...0.75IN
WIND...70MPH
$$
GORSE1 follow-up statement
662
WWUS51 KPHI 252221
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
621 PM EDT MON JUL 25 2016
PAC077-252230-
/O.CAN.KPHI.SV.W.0142.000000T0000Z-160725T2245Z/
LEHIGH PA-
621 PM EDT MON JUL 25 2016
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LEHIGH COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN
CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
NORTHERN...CENTRAL AND NORTHWESTERN NEW JERSEY...AND EASTERN AND
SOUTHEASTERN PENNSYLVANIA.
LAT...LON 4077 7486 4074 7483 4074 7478 4072 7474
4051 7480 4050 7479 4038 7482 4038 7487
4035 7485 4034 7490 4046 7532 4076 7520
TIME...MOT...LOC 2220Z 275DEG 44KT 4057 7505
$$
NJC019-041-PAC017-095-252245-
/O.CON.KPHI.SV.W.0142.000000T0000Z-160725T2245Z/
WARREN NJ-HUNTERDON NJ-NORTHAMPTON PA-BUCKS PA-
621 PM EDT MON JUL 25 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHWESTERN WARREN...HUNTERDON...SOUTHEASTERN NORTHAMPTON AND
NORTHWESTERN BUCKS COUNTIES...
AT 620 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MILFORD...OR
11
MILES SOUTHEAST OF EASTON...MOVING EAST AT 50 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
EASTON...BYRAM...BEDMINSTER...WASHINGTON...FLEMINGTON...TINICUM...
HIGH BRIDGE...CLINTON...HARMONY...NEW HOPE...ALPHA...GLEN
GARDNER...FERNDALE...HAMPTON...FRENCHTOWN...LEBANON...WEST
EASTON...MILFORD...CALIFON AND BLOOMSBURY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO 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.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 4077 7486 4074 7483 4074 7478 4072 7474
4051 7480 4050 7479 4038 7482 4038 7487
4035 7485 4034 7490 4046 7532 4076 7520
TIME...MOT...LOC 2220Z 275DEG 44KT 4057 7505
HAIL...0.75IN
WIND...60MPH
$$
GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 3:21 AM EDT | Special Weather Statement | PHI | Chester, Montgomery | 39 min |
| Jul 25, 3:55 AM EDT | Special Weather Statement | PHI | Bucks, Delaware, Montgomery, Philadelphia | 50 min |
| Jul 25, 4:19 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 41 min |
| Jul 25, 4:54 AM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 51 min |
| Jul 25, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 45 min |
| Jul 25, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 53 min |
| Jul 25, 4:00 PM EDT | Special Weather Statement | PHI | Lehigh | 30 min |
| Jul 25, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 56 min |
| Jul 25, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 38 min |
| Jul 25, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 45 min |
| Jul 25, 5:19 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Northampton | 56 min |
| Jul 25, 5:58 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 47 min |
| Jul 25, 6:01 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 44 min |
| Jul 25, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 40 min |
| Jul 25, 6:43 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 62 min |
| Jul 25, 6:55 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 2 hr |
| Jul 25, 7:12 PM EDT | Special Weather Statement | PHI | Chester, Delaware, Philadelphia | 63 min |
| Jul 25, 7:17 PM EDT | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 25, 4:46 AM EDT | Special Weather Statement | PHI | Burlington, Camden, Mercer | 59 min |
| Jul 25, 5:27 AM EDT | Special Weather Statement | PHI | Burlington, Ocean | 63 min |
| Jul 25, 6:17 AM EDT | Special Marine Warning | PHI | 88 min | |
| Jul 25, 7:11 AM EDT | Special Marine Warning | PHI | 64 min | |
| Jul 25, 7:59 AM EDT | Special Weather Statement | PHI | Ocean | 61 min |
| Jul 25, 8:04 AM EDT | Special Marine Warning | PHI | 56 min | |
| Jul 25, 9:00 AM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 25, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 41 min |
| Jul 25, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 46 min |
| Jul 25, 6:04 PM EDT | Special Marine Warning | PHI | 56 min | |
| Jul 25, 6:17 PM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Monmouth, Somerset | 4 hr |
| Jul 25, 6:54 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 25, 7:53 PM EDT | Special Weather Statement | PHI | Atlantic | 37 min |
| Jul 25, 7:58 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 44 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2016Severe Thunderstorm Warnings in New Jersey, 2016Every severe thunderstorm warning in 2016
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.