Alert archive / Pennsylvania / Tornado Warnings in 2021
Tornado Warning 18, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Oct 16, 2021, 6:07 AM EDT for Beaver County, Pennsylvania. It was in force for 23 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
- Oct 16, 2021, 6:07 AM EDT (10:07 UTC)
- Expired
- Oct 16, 2021, 6:30 AM EDT
- In force
- 23 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Beaver County, PA
The radar
The Pittsburgh radar (KPBZ), 17 km from the middle of the area, began a volume at 10:07 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 |
|---|---|---|---|
| Oct 16, 6:07 AM EDT | TORNADO | 1 Ene Shippingport, PA | EF0 TORNADO |
| Oct 16, 6:12 AM EDT | TSTM WND DMG | Monaca, PA | PICTURES SHOW TREE LIMBS AND TRUNKS SNAPPED IN MONACA HEIGHTS AREA. TIME ESTIMATED FROM RADAR. |
| Oct 16, 6:13 AM EDT | TSTM WND DMG | 1 Ene Freedom, PA | PICTURES SHOW DOWNED TREES AND TELEPHONE POLES ON 9TH STREET EXTENSION IN NEW SEWICKLEY TOWNSHIP - POSSIBLE TORNADO DAMAGE. TIME ESTIMATED FROM RADAR. |
| Oct 16, 6:14 AM EDT | TSTM WND DMG | 1 Sse Monaca, PA | REPORT OF A DESTROYED MOBILE HOME AND SEVERAL TREES AND LIMBS DOWN. TIME ESTIMATED BASED ON RADAR. |
| Oct 16, 6:16 AM EDT | TSTM WND DMG | Freedom, PA | NUMEROUS PICTURES SHOWING SNAPPED AND UPROOTED TREES, DOWNED POWER LINES, AND HOME DAMAGE. TIME ESTIMATED BASED ON RADAR. |
| Oct 16, 6:16 AM EDT | TORNADO | 1 Sse Monaca, PA | EF1 TORNADO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 10.1 hours before the alert went out and 32 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
- 138 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1149 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
477
WFUS51 KPBZ 161007
TORPBZ
PAC007-161030-
/O.NEW.KPBZ.TO.W.0018.211016T1007Z-211016T1030Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
607 AM EDT Sat Oct 16 2021
The National Weather Service in Pittsburgh has issued a
* Tornado Warning for...
East central Beaver County in western Pennsylvania...
* Until 630 AM EDT.
* At 607 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Industry, or near Monaca, moving east at 40 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...
Aliquippa, Monaca, Economy, and Baden around 615 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Freedom, Conway , and East Rochester.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 4073 8015 4064 8015 4061 8041 4066 8041
4072 8017
TIME...MOT...LOC 1007Z 256DEG 34KT 4064 8035
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Bookbinder3 follow-up statements
443
WWUS51 KPBZ 161014
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
614 AM EDT Sat Oct 16 2021
PAC007-161030-
/O.CON.KPBZ.TO.W.0018.000000T0000Z-211016T1030Z/
Beaver PA-
614 AM EDT Sat Oct 16 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM EDT FOR EAST
CENTRAL BEAVER COUNTY...
At 614 AM EDT, a severe squall line capable of producing both
tornadoes and straight line wind damage was located over Monaca,
moving east at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Economy around 620 AM EDT.
Other locations impacted by this tornadic thunderstorm include
Freedom, Conway, and East Rochester.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4073 8015 4064 8015 4062 8033 4068 8032
4072 8017
TIME...MOT...LOC 1014Z 255DEG 33KT 4066 8027
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Bookbinder805
WWUS51 KPBZ 161023
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
623 AM EDT Sat Oct 16 2021
PAC007-161030-
/O.CON.KPBZ.TO.W.0018.000000T0000Z-211016T1030Z/
Beaver PA-
623 AM EDT Sat Oct 16 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM EDT FOR EASTERN
BEAVER COUNTY...
At 621 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Freedom, moving east at 40 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 tornadic thunderstorm will remain over mainly rural areas of
eastern Beaver County, between Freedom and the Butler county line.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4073 8015 4067 8015 4066 8023 4070 8023
4072 8017
TIME...MOT...LOC 1021Z 249DEG 33KT 4070 8019
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Bookbinder515
WWUS51 KPBZ 161028
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
628 AM EDT Sat Oct 16 2021
PAC007-161038-
/O.EXP.KPBZ.TO.W.0018.000000T0000Z-211016T1030Z/
Beaver PA-
628 AM EDT Sat Oct 16 2021
...THE TORNADO WARNING FOR EASTERN BEAVER COUNTY WILL EXPIRE AT 630
AM EDT...
The storm which prompted the warning has temporarily weakened and
moved into western Butler county. Therefore, the warning will be
allowed to expire.
LAT...LON 4073 8015 4067 8015 4066 8023 4070 8023
4072 8017
TIME...MOT...LOC 1028Z 256DEG 34KT 4071 8012
$$
BookbinderThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 4:52 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 38 min |
| Oct 16, 5:37 AM EDT | Special Weather Statement | PBZ | Beaver | 38 min |
| Oct 16, 5:47 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 43 min |
| Oct 16, 6:54 AM EDT | Tornado Warning | PBZ | Butler | 21 min |
| Oct 16, 7:23 AM EDT | Special Weather Statement | PBZ | Clarion | 22 min |
| Oct 16, 7:40 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 35 min |
| Oct 16, 8:13 AM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 17 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.