Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 182, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 16, 2016, 5:19 PM EDT for Berks County, Lehigh County, Northampton County, Pennsylvania. It was in force for 41 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
- Aug 16, 2016, 5:19 PM EDT (21:19 UTC)
- Expired
- Aug 16, 2016, 6:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Berks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 125 km from the middle of the area, began a volume at 21:22 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 16, 5:22 PM EDT | TSTM WND DMG | Richmond Twp, PA | FEW TREES DOWN |
| Aug 16, 5:37 PM EDT | TSTM WND GST 43 | Lehigh Valley Intl Airp, PA |
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 |
|---|---|---|---|
| Aug 16, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.3 hours before the alert went out and 235 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
- 1793 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.5
The text
As transmitted.
102
WUUS51 KPHI 162119
SVRPHI
PAC011-077-095-162200-
/O.NEW.KPHI.SV.W.0182.160816T2119Z-160816T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
519 PM EDT TUE AUG 16 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
LEHIGH COUNTY IN EASTERN PENNSYLVANIA...
NORTHEASTERN BERKS COUNTY IN EASTERN PENNSYLVANIA...
* UNTIL 600 PM EDT
* AT 519 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
LENHARTSVILLE...OR 16 MILES NORTH OF READING...MOVING NORTHEAST AT
40 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* LOCATIONS IMPACTED INCLUDE...
ALLENTOWN...EASTON...BETHLEHEM...EMMAUS...NORTHAMPTON...
HELLERTOWN...NAZARETH...KUTZTOWN...HAMBURG...SLATINGTON...
FLEETWOOD...BATH...WALNUTPORT...TOPTON...BALLY...BECHTELSVILLE...
STEUBEN...LYONS...LENHARTSVILLE AND NEW TRIPOLI.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4059 7601 4066 7593 4078 7567 4079 7561
4077 7560 4083 7534 4060 7522 4050 7539
4042 7549 4045 7553 4038 7558 4035 7563
4037 7575
TIME...MOT...LOC 2119Z 243DEG 37KT 4056 7586
HAIL...<.75IN
WIND...60MPH
$$
PO1 follow-up statement
266
WWUS51 KPHI 162139
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
539 PM EDT TUE AUG 16 2016
PAC011-162148-
/O.CAN.KPHI.SV.W.0182.000000T0000Z-160816T2200Z/
BERKS PA-
539 PM EDT TUE AUG 16 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERKS COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA...THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT FOR
EASTERN AND SOUTHEASTERN PENNSYLVANIA.
LAT...LON 4066 7583 4075 7566 4076 7562 4078 7557
4083 7534 4060 7522 4050 7539 4049 7540
4045 7547 4044 7551 4046 7553
TIME...MOT...LOC 2138Z 243DEG 37KT 4064 7561
$$
PAC077-095-162200-
/O.CON.KPHI.SV.W.0182.000000T0000Z-160816T2200Z/
NORTHAMPTON PA-LEHIGH PA-
539 PM EDT TUE AUG 16 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHWESTERN NORTHAMPTON AND LEHIGH COUNTIES...
AT 538 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
COFFEETOWN...OR 7 MILES NORTHWEST OF ALLENTOWN...MOVING NORTHEAST AT
45 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
LOCATIONS IMPACTED INCLUDE...
ALLENTOWN...EASTON...BETHLEHEM...EMMAUS...NORTHAMPTON...HELLERTOWN...
NAZARETH...SLATINGTON...BATH...WALNUTPORT...STEUBEN...NEW TRIPOLI...
BEERSVILLE...ZIONSVILLE...CLAUSSVILLE...BERLINSVILLE...SCHNECKSVILLE.
..
LEHIGH UNIVERSITY...JORDAN VALLEY AND EMERALD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4066 7583 4075 7566 4076 7562 4078 7557
4083 7534 4060 7522 4050 7539 4049 7540
4045 7547 4044 7551 4046 7553
TIME...MOT...LOC 2138Z 243DEG 37KT 4064 7561
HAIL...<.75IN
WIND...60MPH
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 4:08 PM EDT | Special Weather Statement | PHI | Berks | 67 min |
| Aug 16, 4:23 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 52 min |
| Aug 16, 5:08 PM EDT | Special Weather Statement | PHI | Chester | 52 min |
| Aug 16, 5:10 PM EDT | Special Weather Statement | PHI | Carbon | 35 min |
| Aug 16, 5:36 PM EDT | Special Weather Statement | PHI | Chester, Delaware | 54 min |
| Aug 16, 5:44 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 61 min |
| Aug 16, 6:31 PM EDT | Special Weather Statement | PHI | Delaware | 29 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 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.