Alert archive / Pennsylvania / Tornado Warnings in 2007
Tornado Warning 8, NWS State College, PA
NWS State College, PA issued this tornado warning at Aug 17, 2007, 12:56 PM EDT for Lycoming County, Pennsylvania. It was in force for 34 min. 6 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
- Aug 17, 2007, 12:56 PM EDT (16:56 UTC)
- Expired
- Aug 17, 2007, 1:30 PM EDT
- In force
- 34 min
- Issued by
- NWS State College, PA
- Area
- Counties, with a storm outline in the text
County Lycoming County, PA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 17, 1:00 PM EDT | HAIL 0.88 | 1 W Williamsport, PA | NICKEL SIZED HAIL AND 40-50 MPH WINDS |
| Aug 17, 1:00 PM EDT | HAIL 1 | Williamsport, PA | |
| Aug 17, 1:08 PM EDT | HAIL 1.5 | Montgomery, PA | |
| Aug 17, 1:10 PM EDT | HAIL 1 | Williamsport, PA | |
| Aug 17, 1:20 PM EDT | HAIL 0.88 | 1 N Muncy, PA | HAIL COVERS GROUND IN PENNSDALE. |
| Aug 17, 1:22 PM EDT | HAIL 1.75 | Muncy, PA | GOLFBALL TO BASEBALL SIZED HAIL RELAYED THROUGH STORM SPOTTER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.9 hours before the alert went out and 250 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
- 2474 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS51 KCTP 171656
TORCTP
PAC081-171730-
/O.NEW.KCTP.TO.W.0008.070817T1656Z-070817T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1256 PM EDT FRI AUG 17 2007
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN LYCOMING COUNTY IN NORTH CENTRAL PENNSYLVANIA...
* UNTIL 130 PM EDT
* AT 1252 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
DUBOISTOWN...OR 4 MILES NORTHWEST OF WILLIAMSPORT...MOVING EAST AT
40 MPH.
* THE TORNADO WILL BE NEAR...
MONTOURSVILLE AROUND 105 PM EDT...
MONTGOMERY AROUND 110 PM EDT...
MUNCY AND HUGHESVILLE AROUND 115 PM EDT...
LAIRDSVILLE AND BIGGERTOWN AROUND 125 PM EDT...
THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...
I-180 BETWEEN MILE MARKERS 10 AND 29.
THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 15...ROUTE
220.
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.
IF YOU ARE IN THE PATH OF THIS STORM...MOVE INDOORS IMMEDIATELY.
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. STAY AWAY FROM WINDOWS.
TREES...HILLS AND 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.
DO NOT STAY IN A VEHICLE DURING A TORNADO. CARS ARE EASILY TOSSED
AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.
LAT...LON 4116 7662 4116 7664 4115 7666 4117 7674
4117 7684 4116 7688 4122 7714 4129 7711
4126 7648
TIME...MOT...LOC 1656Z 281DEG 43KT 4124 7705
$$
FORECASTER: LAMBERT1 follow-up statement
000
WWUS51 KCTP 171711
SVSCTP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
109 PM EDT FRI AUG 17 2007
PAC081-171730-
/O.CON.KCTP.TO.W.0008.000000T0000Z-070817T1730Z/
LYCOMING PA-
109 PM EDT FRI AUG 17 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM EDT FOR
SOUTHEASTERN LYCOMING COUNTY...
AT 104 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR MONTGOMERY...OR 3
MILES SOUTHEAST OF WILLIAMSPORT...MOVING EAST SOUTHEAST AT 45 MPH.
THE TORNADO WILL BE NEAR...
MUNCY AROUND 115 PM EDT...
HUGHESVILLE AROUND 120 PM EDT...
LAIRDSVILLE AROUND 125 PM EDT...
HAIL UP TO ONE INCH IN DIAMETER WAS REPORTED IN WILLIAMSPORT.
FROM THIS STORM.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 60
DESTRUCTIVE STRAIGHT LINE WINDS UP TO 60 MPH.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2.
LAT...LON 4116 7662 4115 7666 4117 7674 4117 7685
4116 7688 4119 7699 4125 7697 4126 7649
TIME...MOT...LOC 1709Z 282DEG 41KT 4119 7689
$$
FORECASTER: LAMBERT/STEINBUGLThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 12:10 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 65 min |
| Aug 17, 12:42 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 93 min |
| Aug 17, 1:14 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour | 61 min |
| Aug 17, 1:19 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 26 min |
| Aug 17, 1:23 PM EDT | Tornado Warning | CTP | Columbia, Montour | 52 min |
| Aug 17, 1:34 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 56 min |
| Aug 17, 1:56 PM EDT | Tornado Warning | CTP | Schuylkill | 34 min |
| Aug 17, 2:13 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 62 min |
| Aug 17, 2:28 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 62 min |
Nearby
Tornado Warnings in Pennsylvania, 2007Every tornado warning in 2007Tornadoes in 2007
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.