Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 49, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 8, 2016, 11:03 AM EDT for Chester County, Delaware County, Pennsylvania; New Castle County, Delaware. It was in force for 42 min. 5 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
- Jun 8, 2016, 11:03 AM EDT (15:03 UTC)
- Expired
- Jun 8, 2016, 11:45 AM EDT
- In force
- 42 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties New Castle County, DE, Chester County, PA, Delaware County, PA
The radar
The Philadelphia radar (KDIX), 121 km from the middle of the area, began a volume at 15:05 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 |
|---|---|---|---|
| Jun 8, 11:08 AM EDT | TSTM WND GST 51 | West Grove, PA | TIME ESTIMATED FROM RADAR |
| Jun 8, 11:21 AM EDT | TSTM WND DMG | Pennsbury Twp, PA | TREES DOWN ON HOUSE |
| Jun 8, 11:22 AM EDT | TSTM WND DMG | West Chester, PA | TREES DOWN. TIME ESTIMATED BY RADAR. |
| Jun 8, 11:30 AM EDT | TSTM WND DMG | Pennsbury Twp, PA | TREES DOWN ON HOUSE |
| Jun 8, 11:30 AM EDT | TSTM WND DMG | Wilmington, DE | *** 1 INJ *** LARGE TREE UPROOTED WHICH LANDED ON A CAR ON THOMPSON STATION ROAD AND BRANDYWINE CREEK ROAD. A FEMALE DRIVER TRAPPED INSIDE FOR A TIME AND SUFFERED SOME INJURIES. TIME ESTIMATED BY RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 3.1 hours before the alert went out and 57 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
979
WUUS51 KPHI 081503
SVRPHI
DEC003-PAC029-045-081545-
/O.NEW.KPHI.SV.W.0049.160608T1503Z-160608T1545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1103 AM EDT WED JUN 8 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN NEW CASTLE COUNTY IN NORTHERN DELAWARE...
CHESTER COUNTY IN SOUTHEASTERN PENNSYLVANIA...
WESTERN DELAWARE COUNTY IN SOUTHEASTERN PENNSYLVANIA...
* UNTIL 1145 AM EDT
* AT 1103 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PARKESBURG...
OR 13 MILES SOUTHEAST OF NEW HOLLAND...MOVING EAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
* THIS SEVERE THUNDERSTORM WILL BE NEAR...
COATESVILLE AROUND 1110 AM EDT.
DOWNINGTOWN AND KENNETT SQUARE AROUND 1120 AM EDT.
MARSHALLTON AND LIONVILLE AROUND 1125 AM EDT.
WEST CHESTER AND LIONVILLE-MARCHWOOD AROUND 1130 AM EDT.
WESTTOWN AND ELAM AROUND 1135 AM EDT.
CHEYNEY...CONCORDVILLE AND PAOLI AROUND 1140 AM EDT.
GRADYVILLE...LIMA AND CHELSEA AROUND 1145 AM EDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
BOOTHWYN...SOUTH COATESVILLE...CHESTER HEIGHTS...WEST GOSHEN...MALVERN...
ARDENCROFT...AVONDALE...MODENA...THORNDALE AND EDGEMOOR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
IN ADDITION TO LARGE 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.
&&
LAT...LON 3985 7602 3987 7599 3992 7600 3994 7598
3995 7600 4004 7593 4012 7593 4013 7591
4009 7541 4008 7540 3977 7545 3972 7548
3973 7605
TIME...MOT...LOC 1503Z 272DEG 30KT 3997 7590
HAIL...<.75IN
WIND...60MPH
$$
ROBERTSON1 follow-up statement
007
WWUS51 KPHI 081522
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1122 AM EDT WED JUN 8 2016
DEC003-PAC029-045-081545-
/O.CON.KPHI.SV.W.0049.000000T0000Z-160608T1545Z/
NEW CASTLE DE-CHESTER PA-DELAWARE PA-
1122 AM EDT WED JUN 8 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT
FOR NORTHERN NEW CASTLE...CENTRAL CHESTER AND WESTERN DELAWARE
COUNTIES...
AT 1121 AM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MARSHALLTON...
OR NEAR WEST CHESTER...MOVING EAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES.
THIS SEVERE STORM WILL BE NEAR...
LIONVILLE AROUND 1125 AM EDT.
WEST CHESTER AND LIONVILLE-MARCHWOOD AROUND 1130 AM EDT.
WESTTOWN AND ELAM AROUND 1135 AM EDT.
CHEYNEY...CONCORDVILLE AND PAOLI AROUND 1140 AM EDT.
GRADYVILLE...LIMA AND CHELSEA AROUND 1145 AM EDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
BOOTHWYN...CHESTER HEIGHTS...WEST GOSHEN...MALVERN...ARDENCROFT...
AVONDALE...MODENA...THORNDALE...EDGEMOOR AND TOUGHKENAMON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 3982 7585 4012 7575 4010 7550 4009 7545
4009 7541 4008 7540 3977 7545 3976 7547
3972 7548 3973 7589
TIME...MOT...LOC 1521Z 272DEG 30KT 3996 7570
HAIL...<.75IN
WIND...60MPH
$$
ROBERTSON/LFThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 10:26 AM EDT | Special Weather Statement | PHI | Berks, Lehigh, Northampton | 49 min |
| Jun 8, 10:36 AM EDT | Special Weather Statement | PHI | Chester | 39 min |
| Jun 8, 11:12 AM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 48 min |
| Jun 8, 11:27 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 48 min |
| Jun 8, 11:33 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Northampton | 42 min |
| Jun 8, 12:02 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 43 min |
| Jun 8, 3:04 PM EDT | Special Weather Statement | PHI | Montgomery, Philadelphia | 26 min |
| Jun 8, 11:23 AM EDT | Special Weather Statement | PHI | New Castle | 37 min |
| Jun 8, 12:01 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
| Jun 8, 12:35 PM EDT | Special Weather Statement | PHI | Sussex | 40 min |
| Jun 8, 2:25 PM EDT | Special Weather Statement | PHI | New Castle | 50 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2016Severe Thunderstorm Warnings in Delaware, 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.