Alert archive / Pennsylvania / Tornado Warnings in 2018
Tornado Warning 2, NWS State College, PA
NWS State College, PA issued this tornado warning at May 15, 2018, 12:46 PM EDT for 4 counties in Pennsylvania. It was in force for 44 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
- May 15, 2018, 12:46 PM EDT (16:46 UTC)
- Expired
- May 15, 2018, 1:30 PM EDT
- In force
- 44 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Cameron County, PA, Clinton County, PA, Elk County, PA, Potter County, PA
The radar
The State College radar (KCCX), 55 km from the middle of the area, began a volume at 16:48 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, 12:56 PM EDT | TSTM WND DMG | 3 N Dents Run, PA | NUMEROUS TREES AND WIRES DOWN ALONG HUSTON HILL ROAD |
| May 15, 12:58 PM EDT | TSTM WND DMG | 2 Nw Cameron, PA | NUMEROUS TREES AND WIRES DOWN ALONG ROUTE 120 |
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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.8 hours before the alert went out and 182 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
- 26 J/kg
- Mixed-layer CIN
- -339 J/kg
- Mixed-layer LCL
- 753 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
194
WFUS51 KCTP 151646
TORCTP
PAC023-035-047-105-151730-
/O.NEW.KCTP.TO.W.0002.180515T1646Z-180515T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service State College PA
1246 PM EDT TUE MAY 15 2018
The National Weather Service in State College PA has issued a
* Tornado Warning for...
East central Elk County in north central Pennsylvania...
Southeastern Potter County in north central Pennsylvania...
Central Cameron County in north central Pennsylvania...
Northwestern Clinton County in north central Pennsylvania...
* Until 130 PM EDT
* At 1246 PM EDT, severe thunderstorms capable of producing a tornado
were located along a line extending from near Truman to near Hicks
Run to Benezette, moving east at 65 mph.
HAZARD...Tornado.
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.
* These dangerous storms will be near...
Hicks Run and Cameron around 1250 PM EDT.
Kettle Creek State Park, Stevenson Dam and Tamarack around 100 PM
EDT.
Ole Bull State Park, Cross Fork and Renovo around 110 PM EDT.
Other locations impacted by these tornadic storms include Driftwood.
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!
This line of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4144 7760 4137 7754 4135 7752 4131 7835
4136 7843 4145 7843 4159 7760
TIME...MOT...LOC 1646Z 264DEG 76KT 4146 7841 4138 7833 4134 7835
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Lambert1 follow-up statement
283
WWUS51 KCTP 151718
SVSCTP
Severe Weather Statement
National Weather Service State College PA
118 PM EDT TUE MAY 15 2018
PAC023-047-151727-
/O.CAN.KCTP.TO.W.0002.000000T0000Z-180515T1730Z/
Elk PA-Cameron PA-
118 PM EDT TUE MAY 15 2018
...THE TORNADO WARNING FOR EAST CENTRAL ELK AND CENTRAL CAMERON
COUNTIES IS CANCELLED...
The storms which prompted the warning have !** weakened. moved out of
the warned area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 800 PM EDT for
north central Pennsylvania.
LAT...LON 4159 7760 4144 7760 4135 7752 4133 7795
4140 7799 4147 7799 4148 7802 4152 7804
TIME...MOT...LOC 1717Z 263DEG 67KT 4151 7779 4143 7773 4134 7776
$$
PAC035-105-151730-
/O.CON.KCTP.TO.W.0002.000000T0000Z-180515T1730Z/
Potter PA-Clinton PA-
118 PM EDT TUE MAY 15 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM EDT FOR
SOUTHEASTERN POTTER AND NORTHWESTERN CLINTON COUNTIES...
At 117 PM EDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Cross Fork to 6 miles
east of Tamarack to Renovo, moving east at 65 mph.
HAZARD...Tornado.
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.
These dangerous storms will be near...
Ole Bull State Park around 120 PM EDT.
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 4159 7760 4144 7760 4135 7752 4133 7795
4140 7799 4147 7799 4148 7802 4152 7804
TIME...MOT...LOC 1717Z 263DEG 67KT 4151 7779 4143 7773 4134 7776
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
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, 12:58 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, 2:48 PM EDT | Tornado Warning | CTP | Columbia, Montour, Northumberland | 42 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.