Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 271, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Sep 13, 2021, 7:18 PM EDT for Columbia County, Lycoming County, Sullivan County, Pennsylvania. It was in force for 57 min. 8 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
- Sep 13, 2021, 7:18 PM EDT (23:18 UTC)
- Expired
- Sep 13, 2021, 8:15 PM EDT
- In force
- 57 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Columbia County, PA, Lycoming County, PA, Sullivan County, PA
The radar
The Binghamton radar (KBGM), 117 km from the middle of the area, began a volume at 23:17 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 |
|---|---|---|---|
| Sep 13, 7:28 PM EDT | TSTM WND DMG | 5 Ene Montoursville, PA | TREES DOWN ON WIRES. |
| Sep 13, 7:32 PM EDT | TSTM WND DMG | 4 Nw Hughesville, PA | TREES AND WIRES DOWN. |
| Sep 13, 7:34 PM EDT | TSTM WND DMG | Picture Rocks, PA | TREES DOWN. |
| Sep 13, 7:38 PM EDT | TSTM WND DMG | 2 E Hughesville, PA | TREES DOWN ON WIRES. |
| Sep 13, 7:45 PM EDT | TSTM WND DMG | 4 S Lairdsville, PA | NUMEROUS TREES DOWN. |
| Sep 13, 7:58 PM EDT | TSTM WND DMG | 4 Nnw Millville, PA | SEVERAL TREES, A TRAMPOLINE, A TV ANTENNA TOWER, AND A ROOF PARTIALLY DAMAGED. |
| Sep 13, 8:02 PM EDT | TSTM WND DMG | 1 Sw Berwick, PA | TREE INTO A HOUSE. |
| Sep 13, 8:06 PM EDT | TSTM WND DMG | Orangeville, PA | SPOTTER REPORTS MULTIPLE TREES DOWN AND TREES ON HOUSES IN ORANGEVILLE. |
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 |
|---|---|---|---|
| Sep 13, 5:53 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.3 hours before the alert went out and 262 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
- 1305 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
339
WUUS51 KCTP 132318
SVRCTP
PAC037-081-113-140015-
/O.NEW.KCTP.SV.W.0271.210913T2318Z-210914T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
718 PM EDT Mon Sep 13 2021
The National Weather Service in State College PA has issued a
* Severe Thunderstorm Warning for...
Southeastern Lycoming County in north central Pennsylvania...
Northern Columbia County in central Pennsylvania...
Southern Sullivan County in north central Pennsylvania...
* Until 815 PM EDT.
* At 718 PM EDT, severe thunderstorms were located along a line
extending from near Kettle Creek Gorge to near Barbours to
Loyalsockville, moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Berwick, Montoursville, Muncy, Hughesville, Rohrsburg, Iola,
Jamison City, Waller, Kettle Creek Gorge, Lairdsville, Ricketts
Glen State Park, Central, Biggertown, Muncy Valley, Millville,
Benton, Picture Rocks, Briar Creek, Orangeville and Laporte.
This includes Interstate 180 between mile markers 11 and 21, and near
mile marker 23.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Very heavy rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4114 7664 4116 7664 4115 7667 4124 7695
4142 7676 4147 7677 4141 7627 4131 7631
4120 7632 4113 7627 4114 7623 4102 7622
TIME...MOT...LOC 2318Z 285DEG 45KT 4140 7667 4135 7673 4131 7692
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Banghoff2 follow-up statements
824
WWUS51 KCTP 132351
SVSCTP
Severe Weather Statement
National Weather Service State College PA
751 PM EDT Mon Sep 13 2021
PAC113-140000-
/O.CAN.KCTP.SV.W.0271.000000T0000Z-210914T0015Z/
Sullivan PA-
751 PM EDT Mon Sep 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN SULLIVAN COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
central and north central Pennsylvania.
LAT...LON 4113 7662 4114 7664 4116 7664 4115 7668
4118 7676 4130 7658 4126 7632 4120 7632
4113 7627 4113 7623 4102 7622
TIME...MOT...LOC 2350Z 299DEG 36KT 4116 7646
$$
PAC037-081-140015-
/O.CON.KCTP.SV.W.0271.000000T0000Z-210914T0015Z/
Lycoming PA-Columbia PA-
751 PM EDT Mon Sep 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SOUTHEASTERN LYCOMING AND NORTHERN COLUMBIA COUNTIES...
At 750 PM EDT, a severe thunderstorm was located over Rohrsburg,
moving southeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Law enforcement.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Berwick, Rohrsburg, Iola, Eyers Grove, Waller, Biggertown,
Lairdsville, Millville, Benton, Briar Creek, Orangeville and
Stillwater.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. This storm has produced widespread
wind damage across central and eastern Lycoming County. SEEK SHELTER
NOW inside a sturdy structure and stay away from windows.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
State College PA.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4113 7662 4114 7664 4116 7664 4115 7668
4118 7676 4130 7658 4126 7632 4120 7632
4113 7627 4113 7623 4102 7622
TIME...MOT...LOC 2350Z 299DEG 36KT 4116 7646
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Banghoff524
WWUS51 KCTP 140011
SVSCTP
Severe Weather Statement
National Weather Service State College PA
811 PM EDT Mon Sep 13 2021
PAC037-081-140020-
/O.EXP.KCTP.SV.W.0271.000000T0000Z-210914T0015Z/
Lycoming PA-Columbia PA-
811 PM EDT Mon Sep 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LYCOMING AND
NORTHERN COLUMBIA COUNTIES WILL EXPIRE AT 815 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
central Pennsylvania.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
State College PA.
Remember, a Severe Thunderstorm Warning still remains in effect for
southern Montour and southern Columbia County until 9PM.
LAT...LON 4113 7662 4114 7664 4116 7664 4115 7668
4118 7676 4130 7658 4126 7632 4120 7632
4113 7627 4113 7623 4102 7622
TIME...MOT...LOC 0010Z 285DEG 45KT 4110 7615
$$
BanghoffThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 12:24 AM EDT | Special Weather Statement | CTP | McKean | 36 min |
| Sep 13, 12:53 AM EDT | Special Weather Statement | CTP | McKean, Potter, Tioga | 52 min |
| Sep 13, 5:15 PM EDT | Special Weather Statement | CTP | Warren | 30 min |
| Sep 13, 5:45 PM EDT | Special Weather Statement | CTP | Potter | 30 min |
| Sep 13, 6:14 PM EDT | Special Weather Statement | CTP | Potter | 31 min |
| Sep 13, 6:21 PM EDT | Special Weather Statement | CTP | Elk | 24 min |
| Sep 13, 6:36 PM EDT | Special Weather Statement | CTP | Lycoming | 24 min |
| Sep 13, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 47 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2021Every severe thunderstorm warning in 2021
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.