Alert archive / Pennsylvania / Tornado Warnings in 2018
Tornado Warning 6, NWS State College, PA
NWS State College, PA issued this tornado warning at May 15, 2018, 2:48 PM EDT for Columbia County, Montour County, Northumberland County, Pennsylvania. 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
- May 15, 2018, 2:48 PM EDT (18:48 UTC)
- Expired
- May 15, 2018, 3:30 PM EDT
- In force
- 42 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Columbia County, PA, Montour County, PA, Northumberland County, PA
The radar
The State College radar (KCCX), 128 km from the middle of the area, began a volume at 18:51 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 |
|---|---|---|---|
| May 15, 3:00 PM EDT | TSTM WND DMG | Pealertown, PA | NUMEROUS TREES DOWN. WIND GUST ESTIMATED AT 85 MPH. |
| May 15, 3:04 PM EDT | TSTM WND DMG | 1 W Willow Springs, PA | NUMEROUS TREES DOWN. WIND GUST ESTIMATED AT 85 MPH. |
| May 15, 3:08 PM EDT | TSTM WND DMG | Berwick, PA | ROOF OFF OF HOME. |
| May 15, 3:09 PM EDT | TSTM WND DMG | 1 W Lime Ridge, PA | CENTRAL COLUMBIA HIGH SCHOOL CONCESSION BUILDING TOPPLED |
| May 15, 3:09 PM EDT | TSTM WND GST 58 | 1 W Lime Ridge, PA | WIND GUST MEASURED AT CENTRAL COLUMBIA HIGH SCHOOL |
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 |
|---|---|---|---|
| May 15, 12:26 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.8 hours before the alert went out and 252 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
- 47 J/kg
- Mixed-layer CIN
- -484 J/kg
- Mixed-layer LCL
- 1259 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
064
WFUS51 KCTP 151848
TORCTP
PAC037-093-097-151930-
/O.NEW.KCTP.TO.W.0006.180515T1848Z-180515T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service State College PA
248 PM EDT TUE MAY 15 2018
The National Weather Service in State College PA has issued a
* Tornado Warning for...
North central Northumberland County in central Pennsylvania...
Montour County in central Pennsylvania...
Central Columbia County in central Pennsylvania...
* Until 330 PM EDT
* At 247 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Exchange, moving east at 65 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Jerseytown, Iola and Eyers Grove around 250 PM EDT.
Rohrsburg, Lightstreet and Almedia around 300 PM EDT.
Other locations impacted by this tornadic thunderstorm include Briar
Creek, Turbotville, Lime Ridge, Washingtonville, Orangeville, Benton,
Stillwater, Millville and McEwensville.
For those driving on Interstate 80, this includes areas between the
Limestoneville and Mifflinville exits, specifically between mile
markers 215 and 218...near mile marker 229...and from mile markers
231 to 241.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4103 7623 4099 7676 4101 7680 4108 7682
4113 7675 4116 7664 4116 7659 4117 7657
4123 7632 4120 7632 4114 7628 4113 7623
TIME...MOT...LOC 1847Z 258DEG 57KT 4109 7665
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
Lambert1 follow-up statement
535
WWUS51 KCTP 151911
SVSCTP
Severe Weather Statement
National Weather Service State College PA
311 PM EDT TUE MAY 15 2018
PAC093-097-151921-
/O.CAN.KCTP.TO.W.0006.000000T0000Z-180515T1930Z/
Northumberland PA-Montour PA-
311 PM EDT TUE MAY 15 2018
...THE TORNADO WARNING FOR NORTH CENTRAL NORTHUMBERLAND AND MONTOUR
COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 800 PM EDT for
central Pennsylvania.
LAT...LON 4101 7651 4109 7646 4120 7645 4123 7632
4120 7632 4114 7628 4113 7623 4103 7623
TIME...MOT...LOC 1911Z 261DEG 41KT 4105 7630
$$
PAC037-151930-
/O.CON.KCTP.TO.W.0006.000000T0000Z-180515T1930Z/
Columbia PA-
311 PM EDT TUE MAY 15 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM EDT FOR
NORTHEASTERN COLUMBIA COUNTY...
At 311 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Mifflinville, moving east at 45 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Columbia County, including the following locations:
Briar Creek, Benton, Stillwater, Lime Ridge and Orangeville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4101 7651 4109 7646 4120 7645 4123 7632
4120 7632 4114 7628 4113 7623 4103 7623
TIME...MOT...LOC 1911Z 261DEG 41KT 4105 7630
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
LambertThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 3:47 AM EDT | Flash Flood Watch | CTP | Adams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 5 more | 15 hr |
| May 15, 8:16 AM EDT | Special Weather Statement | CTP | Tioga | 44 min |
| May 15, 11:38 AM EDT | Special Weather Statement | CTP | Elk, McKean | 52 min |
| May 15, 12:00 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk, McKean | 75 min |
| May 15, 12:43 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Potter | 47 min |
| May 15, 12:46 PM EDT | Tornado Warning | CTP | Cameron, Clinton, Elk, Potter | 44 min |
| May 15, 12:58 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Cameron, Clearfield, Clinton, Elk | 57 min |
| May 15, 1:03 PM EDT | Special Weather Statement | CTP | Tioga | 42 min |
| May 15, 1:14 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 61 min |
| May 15, 1:25 PM EDT | Tornado Warning | CTP | Clinton, Lycoming, Potter, Tioga | 65 min |
| May 15, 1:34 PM EDT | Special Weather Statement | CTP | Cambria | 41 min |
| May 15, 1:42 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield, Clinton, Lycoming | 63 min |
| May 15, 1:59 PM EDT | Special Weather Statement | CTP | Blair | 46 min |
| May 15, 2:04 PM EDT | Tornado Warning | CTP | Sullivan | 41 min |
| May 15, 2:11 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Huntingdon | 49 min |
| May 15, 2:16 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Columbia, Huntingdon, Juniata, Lycoming and 6 more | 74 min |
| May 15, 2:34 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon, Juniata, Mifflin, Perry | 56 min |
| May 15, 2:45 PM EDT | Tornado Warning | CTP | Montour, Northumberland, Snyder, Union | 24 min |
| May 15, 2:51 PM EDT | Special Weather Statement | CTP | Huntingdon | 24 min |
| May 15, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Juniata, Northumberland, Perry, Schuylkill and 1 more | 46 min |
| May 15, 3:23 PM EDT | Special Weather Statement | CTP | Fulton | 37 min |
| May 15, 3:34 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 41 min |
| May 15, 3:45 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Franklin, Fulton, Lancaster, Lebanon and 3 more | 60 min |
| May 15, 4:14 PM EDT | Tornado Warning | CTP | Cumberland, Dauphin, Perry, York | 31 min |
| May 15, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, York | 59 min |
| May 15, 4:41 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 53 min |
| May 15, 5:07 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Lancaster, York | 83 min |
| May 15, 6:02 PM EDT | Areal Flood Advisory | CTP | Lancaster, York | 118 min |
Nearby
Tornado Warnings in Pennsylvania, 2018Every tornado warning in 2018Tornadoes in 2018
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.