Alert archive / Pennsylvania / Tornado Warnings in 2012
Tornado Warning 8, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Oct 19, 2012, 8:59 PM EDT for Berks County, Pennsylvania. It was in force for 31 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
- Oct 19, 2012, 8:59 PM EDT (00:59 UTC)
- Expired
- Oct 19, 2012, 9:30 PM EDT
- In force
- 31 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Berks County, PA
The radar
The Philadelphia radar (KDIX), 127 km from the middle of the area, began a volume at 01:00 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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 1.0 hours before the alert went out and 213 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
- 1810 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
838 WFUS51 KPHI 200059 TORPHI PAC011-200130- /O.NEW.KPHI.TO.W.0008.121020T0059Z-121020T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 859 PM EDT FRI OCT 19 2012 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * TORNADO WARNING FOR... EASTERN BERKS COUNTY IN EASTERN PENNSYLVANIA... THIS INCLUDES THE CITY OF READING... * UNTIL 930 PM EDT * AT 857 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR READING... MOVING NORTHEAST AT 45 MPH. * THE TORNADO WILL BE NEAR... 6 MILES SOUTHEAST OF LAURELDALE BY 905 PM EDT... FLEETWOOD BY 915 PM EDT... LYONS...6 MILES SOUTHEAST OF KUTZTOWN AND 6 MILES NORTHWEST OF BALLY BY 920 PM EDT... TOPTON BY 925 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. 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. && LAT...LON 4057 7573 4044 7553 4018 7588 4027 7604 TIME...MOT...LOC 0059Z 221DEG 39KT 4027 7590 $$ HEAVENER
2 follow-up statements
478 WWUS51 KPHI 200118 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 918 PM EDT FRI OCT 19 2012 PAC011-200130- /O.CON.KPHI.TO.W.0008.000000T0000Z-121020T0130Z/ BERKS PA- 918 PM EDT FRI OCT 19 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR EAST CENTRAL BERKS COUNTY... AT 917 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED 8 MILES SOUTH OF LYONS...OR 8 MILES EAST OF READING...MOVING NORTHEAST AT 30 MPH. THE TORNADO WILL BE NEAR... LYONS BY 930 PM EDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4050 7574 4043 7561 4033 7574 4039 7587 TIME...MOT...LOC 0118Z 219DEG 19KT 4038 7578 $$ HEAVENER
716 WWUS51 KPHI 200127 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 927 PM EDT FRI OCT 19 2012 PAC011-200137- /O.EXP.KPHI.TO.W.0008.000000T0000Z-121020T0130Z/ BERKS PA- 927 PM EDT FRI OCT 19 2012 ...THE TORNADO WARNING FOR EAST CENTRAL BERKS COUNTY WILL EXPIRE AT 930 PM EDT... LAT...LON 4050 7574 4043 7561 4033 7574 4039 7587 TIME...MOT...LOC 0127Z 219DEG 19KT 4042 7574 $$ HEAVENER
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 19, 8:31 PM EDT | Special Weather Statement | PHI | Berks | 44 min |
| Oct 19, 8:42 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 63 min |
| Oct 19, 9:24 PM EDT | Special Weather Statement | PHI | Chester, Delaware, Montgomery | 96 min |
| Oct 19, 10:00 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 63 min |
| Oct 19, 10:15 PM EDT | Special Weather Statement | PHI | Monroe, Northampton | 60 min |
| Oct 19, 10:27 PM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 63 min |
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.