Alert archive / Pennsylvania / Tornado Warnings in 2021
Tornado Warning 7, NWS State College, PA
NWS State College, PA issued this tornado warning at Jul 13, 2021, 8:51 PM EDT for Lycoming County, Montour County, Northumberland County, Pennsylvania. It was in force for 24 min. 1 report 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
- Jul 13, 2021, 8:51 PM EDT (00:51 UTC)
- Expired
- Jul 13, 2021, 9:15 PM EDT
- In force
- 24 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Lycoming County, PA, Montour County, PA, Northumberland County, PA
The radar
The State College radar (KCCX), 111 km from the middle of the area, began a volume at 00:51 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 |
|---|---|---|---|
| Jul 13, 8:55 PM EDT | HAIL 1.5 | Montgomery, PA |
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 |
|---|---|---|---|
| Jul 13, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.9 hours before the alert went out and 251 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
- 1133 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 1722 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
687
WFUS51 KCTP 140051
TORCTP
PAC081-093-097-140115-
/O.NEW.KCTP.TO.W.0007.210714T0051Z-210714T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service State College PA
851 PM EDT Tue Jul 13 2021
The National Weather Service in State College PA has issued a
* Tornado Warning for...
Northwestern Northumberland County in central Pennsylvania...
Northwestern Montour County in central Pennsylvania...
Southeastern Lycoming County in north central Pennsylvania...
* Until 915 PM EDT.
* At 850 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Delaware Run, moving east at 25 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.
* This dangerous storm will be near...
Muncy around 900 PM EDT.
Exchange around 910 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Turbotville.
This includes Interstate 180 from mile markers 3 to 12.
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.
&&
LAT...LON 4108 7662 4109 7688 4115 7690 4116 7691
4124 7666 4116 7662 4115 7663 4116 7664
4115 7664
TIME...MOT...LOC 0050Z 252DEG 22KT 4113 7684
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Travis1 follow-up statement
609
WWUS51 KCTP 140111
SVSCTP
Severe Weather Statement
National Weather Service State College PA
911 PM EDT Tue Jul 13 2021
PAC081-093-097-140120-
/O.EXP.KCTP.TO.W.0007.000000T0000Z-210714T0115Z/
Northumberland PA-Montour PA-Lycoming PA-
911 PM EDT Tue Jul 13 2021
...THE TORNADO WARNING FOR NORTHWESTERN NORTHUMBERLAND...NORTHWESTERN
MONTOUR AND SOUTHEASTERN LYCOMING COUNTIES WILL EXPIRE AT 915 PM
EDT...
The storm which prompted the warning no longer appears capable of
producing a tornado. Therefore, the warning will be allowed to
expire. However gusty winds and hail are still possible with this
thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
central and north central Pennsylvania.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
State College PA.
LAT...LON 4108 7662 4109 7688 4115 7690 4116 7691
4124 7666 4116 7662 4115 7663 4116 7664
4115 7664
TIME...MOT...LOC 0110Z 252DEG 22KT 4116 7670
$$
TravisThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 8:08 PM EDT | Special Weather Statement | CTP | Franklin | 37 min |
| Jul 13, 8:09 PM EDT | Special Weather Statement | CTP | Lycoming | 36 min |
| Jul 13, 8:17 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Northumberland, Union | 43 min |
| Jul 13, 8:25 PM EDT | Special Weather Statement | CTP | Huntingdon | 35 min |
| Jul 13, 8:41 PM EDT | Areal Flood Advisory | CTP | Lycoming, Sullivan, Tioga | 25 min |
| Jul 13, 8:59 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 61 min |
| Jul 13, 9:06 PM EDT | Flash Flood Warning | CTP | Lycoming, Sullivan, Tioga | 3 hr |
| Jul 13, 9:15 PM EDT | Special Weather Statement | CTP | Lycoming | 30 min |
| Jul 13, 9:30 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Northumberland, Snyder, Union | 60 min |
| Jul 13, 10:18 PM EDT | Areal Flood Advisory | CTP | Centre, Clinton, Columbia, Lycoming, Montour, Northumberland and 2 more | 117 min |
| Jul 13, 10:18 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Snyder, Union | 57 min |
| Jul 13, 11:18 PM EDT | Special Weather Statement | CTP | Columbia, Montour | 27 min |
| Jul 14, 12:12 AM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland | 2 hr |
| Jul 14, 1:46 AM EDT | Areal Flood Advisory | CTP | Lycoming | 119 min |
| Jul 14, 1:49 PM EDT | Special Weather Statement | CTP | Perry | 26 min |
| Jul 14, 4:08 PM EDT | Special Weather Statement | CTP | Perry | 37 min |
| Jul 14, 4:58 PM EDT | Special Weather Statement | CTP | Sullivan | 32 min |
| Jul 14, 6:52 PM EDT | Special Weather Statement | CTP | Lycoming | 23 min |
| Jul 14, 7:31 PM EDT | Special Weather Statement | CTP | Columbia | 29 min |
Nearby
Tornado Warnings in Pennsylvania, 2021Every tornado warning in 2021Tornadoes 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.