Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 40, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jun 14, 2021, 3:18 PM EDT for 5 counties in Pennsylvania. It was in force for 57 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
- Jun 14, 2021, 3:18 PM EDT (19:18 UTC)
- Expired
- Jun 14, 2021, 4:15 PM EDT
- In force
- 57 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Columbia County, PA, Lycoming County, PA, Montour County, PA, Northumberland County, PA, Union County, PA
The radar
The State College radar (KCCX), 120 km from the middle of the area, began a volume at 19:20 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 |
|---|---|---|---|
| Jun 14, 3:21 PM EDT | TSTM WND DMG | 2 Ne Turbotville, PA | TREES DOWN ON WIRES. |
| Jun 14, 3:58 PM EDT | TSTM WND DMG | 3 E Orangeville, PA | SPORADIC REPORTS OF TREES DOWN AND TREES ON WIRES IN NORTH CENTRE TOWNSHIP IN THE VICINITY OF ROUTE 93. |
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 |
|---|---|---|---|
| Jun 14, 2:06 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.3 hours before the alert went out and 237 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
- 2 J/kg
- Mixed-layer CIN
- -447 J/kg
- Mixed-layer LCL
- 1007 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
764
WUUS51 KCTP 141918
SVRCTP
PAC037-081-093-097-119-142015-
/O.NEW.KCTP.SV.W.0040.210614T1918Z-210614T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
318 PM EDT Mon Jun 14 2021
The National Weather Service in State College PA has issued a
* Severe Thunderstorm Warning for...
Northern Northumberland County in central Pennsylvania...
Montour County in central Pennsylvania...
Southeastern Lycoming County in north central Pennsylvania...
Columbia County in central Pennsylvania...
Eastern Union County in central Pennsylvania...
* Until 415 PM EDT.
* At 316 PM EDT, severe thunderstorms were located along a line
extending from Montgomery to New Columbia to Mifflinburg, moving
east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bloomsburg, Berwick, Sunbury, Milton, Lewisburg, Danville,
Montoursville, Northumberland, Mifflinburg, Winfield, Muncy,
Watsontown, Elysburg, Riverside, Montgomery, Catawissa, Linntown,
Mifflinville, Lightstreet and Almedia.
For those driving on Interstate 80, this includes areas between the
Mile Run and Nescopek exits, specifically from mile markers 202 to
247.
This includes Interstate 180 from mile markers 1 to 14.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4089 7628 4081 7631 4086 7680 4088 7680
4089 7682 4088 7697 4090 7716 4108 7702
4124 7697 4119 7631 4113 7627 4114 7623
4103 7623 4095 7621
TIME...MOT...LOC 1916Z 275DEG 32KT 4118 7684 4105 7689 4092 7705
HAIL...<.75IN
WIND...60MPH
$$
GUSEMAN1 follow-up statement
252
WWUS51 KCTP 141939
SVSCTP
Severe Weather Statement
National Weather Service State College PA
339 PM EDT Mon Jun 14 2021
PAC119-141948-
/O.CAN.KCTP.SV.W.0040.000000T0000Z-210614T2015Z/
Union PA-
339 PM EDT Mon Jun 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN UNION COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central and north central Pennsylvania.
LAT...LON 4088 7629 4081 7631 4086 7680 4088 7680
4091 7685 4094 7687 4122 7676 4119 7631
4113 7627 4113 7623 4103 7623 4095 7621
TIME...MOT...LOC 1938Z 279DEG 38KT 4114 7654 4101 7659 4088 7675
$$
PAC037-081-093-097-142015-
/O.CON.KCTP.SV.W.0040.000000T0000Z-210614T2015Z/
Northumberland PA-Montour PA-Lycoming PA-Columbia PA-
339 PM EDT Mon Jun 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR CENTRAL NORTHUMBERLAND...MONTOUR...SOUTHEASTERN LYCOMING AND
COLUMBIA COUNTIES...
At 338 PM EDT, severe thunderstorms were located along a line
extending from Iola to near Danville to near Sunbury, moving east at
45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bloomsburg, Berwick, Sunbury, Milton, Danville, Northumberland,
Elysburg, Riverside, Catawissa, Mifflinville, Lightstreet, Almedia,
Montandon, Fernville, Mechanicsville, Buckhorn, Aristes, Numidia,
Jerseytown and Rupert.
For those driving on Interstate 80, this includes areas between the
Milton-Williamsport and Nescopek exits, specifically from mile
markers 213 to 247.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4088 7629 4081 7631 4086 7680 4088 7680
4091 7685 4094 7687 4122 7676 4119 7631
4113 7627 4113 7623 4103 7623 4095 7621
TIME...MOT...LOC 1938Z 279DEG 38KT 4114 7654 4101 7659 4088 7675
HAIL...<.75IN
WIND...60MPH
$$
GUSEMANThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 8:10 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 35 min |
| Jun 13, 8:15 PM EDT | Special Weather Statement | CTP | Centre | 45 min |
| Jun 13, 8:30 PM EDT | Special Weather Statement | CTP | Huntingdon | 30 min |
| Jun 13, 8:41 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 64 min |
| Jun 13, 9:02 PM EDT | Special Weather Statement | CTP | Huntingdon | 43 min |
| Jun 13, 9:08 PM EDT | Areal Flood Advisory | CTP | McKean | 67 min |
| Jun 13, 9:38 PM EDT | Areal Flood Advisory | CTP | Centre | 82 min |
| Jun 13, 9:47 PM EDT | Areal Flood Advisory | CTP | Potter | 73 min |
| Jun 13, 10:58 PM EDT | Areal Flood Advisory | CTP | Centre | 2 hr |
| Jun 13, 11:04 PM EDT | Areal Flood Advisory | CTP | Huntingdon, Mifflin | 116 min |
| Jun 13, 11:04 PM EDT | Special Weather Statement | CTP | Juniata | 56 min |
| Jun 13, 11:56 PM EDT | Special Weather Statement | CTP | Perry | 34 min |
| Jun 14, 12:29 AM EDT | Special Weather Statement | CTP | Cumberland | 31 min |
| Jun 14, 12:37 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Perry | 38 min |
| Jun 14, 1:12 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, York | 48 min |
| Jun 14, 11:36 AM EDT | Special Weather Statement | CTP | Warren | 39 min |
| Jun 14, 12:02 PM EDT | Special Weather Statement | CTP | Elk | 58 min |
| Jun 14, 12:47 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 73 min |
| Jun 14, 1:31 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 74 min |
| Jun 14, 1:53 PM EDT | Special Weather Statement | CTP | Centre | 37 min |
| Jun 14, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Union | 57 min |
| Jun 14, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 41 min |
| Jun 14, 4:10 PM EDT | Special Weather Statement | CTP | Centre | 20 min |
| Jun 14, 4:10 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 50 min |
| Jun 14, 4:16 PM EDT | Special Weather Statement | CTP | Somerset | 14 min |
| Jun 14, 4:24 PM EDT | Special Weather Statement | CTP | Blair | 21 min |
| Jun 14, 4:43 PM EDT | Special Weather Statement | CTP | Blair | 47 min |
| Jun 14, 4:44 PM EDT | Special Weather Statement | CTP | Somerset | 16 min |
| Jun 14, 5:04 PM EDT | Special Weather Statement | CTP | Somerset | 26 min |
| Jun 14, 5:49 PM EDT | Special Weather Statement | CTP | Somerset | 26 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.