Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 88, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 7, 2021, 6:36 PM EDT for 4 counties in Pennsylvania. It was in force for 39 min. 7 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
- Jul 7, 2021, 6:36 PM EDT (22:36 UTC)
- Expired
- Jul 7, 2021, 7:15 PM EDT
- In force
- 39 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Centre County, PA, Clearfield County, PA, Clinton County, PA, Mifflin County, PA
The radar
The State College radar (KCCX), 24 km from the middle of the area, began a volume at 22:38 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 7, 6:55 PM EDT | TSTM WND DMG | 2 Nnw Pleasant Gap, PA | LARGE TREE ACROSS BLANCHARD STREET BLOCKING TRAFFIC. |
| Jul 7, 6:55 PM EDT | TSTM WND DMG | 2 Nnw Pleasant Gap, PA | |
| Jul 7, 6:55 PM EDT | TSTM WND DMG | Pleasant Gap, PA | NUMEROUS TREES AND WIRES DOWN IN PLEASANT GAP. |
| Jul 7, 6:55 PM EDT | TSTM WND DMG | Pleasant Gap, PA | |
| Jul 7, 6:58 PM EDT | TSTM WND DMG | 2 W Bellefonte, PA | NUMEROUS TREES DOWN ALONG AND ACROSS COLEVILLE ROAD. |
| Jul 7, 6:58 PM EDT | TSTM WND DMG | 2 W Bellefonte, PA | |
| Jul 7, 6:59 PM EDT | TSTM WND DMG | 1 E Boalsburg, PA | REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF. |
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 7, 3:31 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 10.6 hours before the alert went out and 208 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
- 505 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1230 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
776
WUUS51 KCTP 072236
SVRCTP
PAC027-033-035-087-072315-
/O.NEW.KCTP.SV.W.0088.210707T2236Z-210707T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service State College PA
636 PM EDT Wed Jul 7 2021
The National Weather Service in State College PA has issued a
* Severe Thunderstorm Warning for...
Northeastern Clearfield County in central Pennsylvania...
Northeastern Mifflin County in central Pennsylvania...
Centre County in central Pennsylvania...
Southern Clinton County in north central Pennsylvania...
* Until 715 PM EDT.
* At 636 PM EDT, severe thunderstorms were located along a line
extending from near Lecontes Mills to near Pine Glen to near
Moshannon to Julian to Boalsburg to near Seven Mountains, moving
east at 40 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
* Severe thunderstorms will be near...
State College, Seven Mountains, Boalsburg, Snow Shoe, Clarence,
Lemont, Houserville and Reedsville around 640 PM EDT.
Bellefonte, Centre Hall, Potters Mills, Milesburg, Pleasant Gap,
Milroy and Reeds Gap State Park around 650 PM EDT.
Spring Mills, Zion, Monument, Poe Valley State Park, Bald Eagle
State Park and Belltown around 700 PM EDT.
Lock Haven, Lamar, Millheim, Aaronsburg, Coburn, Blanchard,
Madisonburg, Woodward, Rebersburg and Mackeyville around 710 PM
EDT.
Other locations impacted by these severe thunderstorms include
Barrville, Orviston, McCall Dam State Park, Beech Creek, Kylertown,
Grassflat, Siglerville, Howard, Loganton and Unionville.
For those driving on Interstate 80, this includes areas between the
Penfield and Jersey Shore exits, specifically between mile markers
117 and 123...between mile markers 125 and 126...between mile markers
133 and 135...and from mile markers 138 to 189.
This includes Interstate 99 from mile markers 67 to 85.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4123 7747 4118 7731 4101 7718 4085 7736
4072 7736 4065 7769 4066 7771 4068 7768
4069 7771 4073 7768 4072 7777 4075 7788
4084 7798 4096 7807 4100 7822 4104 7849
4127 7783
TIME...MOT...LOC 2236Z 248DEG 33KT 4106 7831 4104 7814 4099 7799 4087
7790 4078 7780 4072 7769
HAIL...1.00IN
WIND...70MPH
$$
JurewiczThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 3:35 PM EDT | Special Weather Statement | CTP | Fulton | 40 min |
| Jul 7, 4:00 PM EDT | Special Weather Statement | CTP | Warren | 45 min |
| Jul 7, 4:05 PM EDT | Special Weather Statement | CTP | Somerset | 25 min |
| Jul 7, 4:12 PM EDT | Special Weather Statement | CTP | Somerset | 33 min |
| Jul 7, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 47 min |
| Jul 7, 4:22 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 38 min |
| Jul 7, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 61 min |
| Jul 7, 4:46 PM EDT | Special Weather Statement | CTP | Warren | 29 min |
| Jul 7, 4:48 PM EDT | Special Weather Statement | CTP | Bedford | 27 min |
| Jul 7, 4:54 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 51 min |
| Jul 7, 4:59 PM EDT | Special Weather Statement | CTP | Warren | 31 min |
| Jul 7, 5:07 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 53 min |
| Jul 7, 5:12 PM EDT | Special Weather Statement | CTP | Blair | 33 min |
| Jul 7, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 41 min |
| Jul 7, 5:23 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 37 min |
| Jul 7, 5:27 PM EDT | Special Weather Statement | CTP | Clearfield | 33 min |
| Jul 7, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 25 min |
| Jul 7, 5:38 PM EDT | Special Weather Statement | CTP | Warren | 37 min |
| Jul 7, 5:42 PM EDT | Special Weather Statement | CTP | Cumberland | 33 min |
| Jul 7, 5:48 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 57 min |
| Jul 7, 5:50 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin | 40 min |
| Jul 7, 5:55 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 65 min |
| Jul 7, 6:00 PM EDT | Special Weather Statement | CTP | Elk | 30 min |
| Jul 7, 6:12 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield, Huntingdon | 48 min |
| Jul 7, 6:22 PM EDT | Special Weather Statement | CTP | Mifflin | 23 min |
| Jul 7, 6:29 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 61 min |
| Jul 7, 6:37 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 37 min |
| Jul 7, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 77 min |
| Jul 7, 6:56 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Mifflin, Snyder, Union | 49 min |
| Jul 7, 7:09 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Snyder | 36 min |
| Jul 7, 7:19 PM EDT | Areal Flood Advisory | CTP | Warren | 116 min |
| Jul 7, 7:31 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Montour, Northumberland, Union | 44 min |
| Jul 7, 7:44 PM EDT | Areal Flood Advisory | CTP | McKean, Potter | 2 hr |
| Jul 7, 7:48 PM EDT | Special Weather Statement | CTP | Bedford | 27 min |
| Jul 7, 7:50 PM EDT | Special Weather Statement | CTP | Tioga | 10 min |
| Jul 7, 7:51 PM EDT | Special Weather Statement | CTP | Potter | 24 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.