Alert archive / Pennsylvania / Tornado Warnings in 2012
Tornado Warning 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Jun 1, 2012, 9:03 PM EDT for Bucks County, Montgomery County, Pennsylvania. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 1, 2012, 9:03 PM EDT (01:03 UTC)
- Expired
- Jun 1, 2012, 9:30 PM EDT
- In force
- 27 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Bucks County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 01:05 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 1, 8:01 PM EDT | Tornado Watch | SPC | 4 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.1 hours before the alert went out and 205 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
- 893 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
146
WFUS51 KPHI 020103
TORPHI
PAC017-091-020130-
/O.NEW.KPHI.TO.W.0001.120602T0103Z-120602T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
903 PM EDT FRI JUN 1 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEAST PENNSYLVANIA...
* UNTIL 930 PM EDT
* AT 901 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
JENKINTOWN...OR NEAR PHILADELPHIA...MOVING NORTH AT 30 MPH.
* THE TORNADO WILL BE NEAR...
WILLOW GROVE...ABINGTON AND BRYN ATHYN BY 910 PM EDT...
HATBORO BY 915 PM EDT...
IVYLAND BY 920 PM EDT...
RICHBORO BY 925 PM EDT...
DOYLESTOWN...6 MILES SOUTHEAST OF ROBESONIA...7 MILES SOUTH OF
GARDENVILLE AND 9 MILES SOUTHWEST OF NEW HOPE BY 930 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
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 4010 7506 4008 7508 4005 7510 4006 7514
4008 7517 4007 7519 4008 7521 4041 7521
4038 7495 4033 7493
TIME...MOT...LOC 0103Z 190DEG 25KT 4009 7513
$$
HEAVENER1 follow-up statement
711
WWUS51 KPHI 020123
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
923 PM EDT FRI JUN 1 2012
PAC017-091-020130-
/O.CON.KPHI.TO.W.0001.000000T0000Z-120602T0130Z/
BUCKS PA-MONTGOMERY PA-
923 PM EDT FRI JUN 1 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR EAST
CENTRAL MONTGOMERY AND CENTRAL BUCKS COUNTIES...
AT 918 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR HATBORO...OR 13
MILES NORTH OF PHILADELPHIA...MOVING NORTH AT 30 MPH.
THE TORNADO WILL BE NEAR...
DOYLESTOWN...NEW BRITAIN...6 MILES SOUTHEAST OF ROBESONIA AND 7
MILES SOUTH OF GARDENVILLE BY 930 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 4015 7509 4015 7517 4041 7521 4038 7495
4036 7494 4034 7495 4033 7493
TIME...MOT...LOC 0123Z 190DEG 25KT 4023 7510
$$
HEAVENERThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 8:46 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 5 hr |
| Jun 1, 8:58 PM EDT | Special Weather Statement | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 62 min |
| Jun 1, 10:01 PM EDT | Special Weather Statement | PHI | Berks | 89 min |
| Jun 1, 11:04 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Montgomery | 4 hr |
| Jun 2, 12:26 AM EDT | Areal Flood Advisory | PHI | Berks, Montgomery | 85 min |
| Jun 2, 1:12 AM EDT | Areal Flood Advisory | PHI | Monroe | 3 hr |
| Jun 2, 2:45 AM EDT | Areal Flood Warning | PHI | Montgomery | 6 hr |
| Jun 2, 11:28 AM EDT | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 15 hr |
Nearby
Tornado Warnings in Pennsylvania, 2012Every tornado warning in 2012Tornadoes in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.