Alert archive / Pennsylvania / High Wind Watches in 2021
High Wind Watch 2, NWS State College, PA
NWS State College, PA issued this high wind watch at Apr 29, 2021, 3:58 AM EDT for 10 counties in Pennsylvania. It took effect at Apr 30, 2021, 12:00 PM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 29, 2021, 3:58 AM EDT (07:58 UTC)
- In effect from
- Apr 30, 2021, 12:00 PM EDT
- Expired
- Apr 29, 2021, 8:21 PM EDT
- In force
- Issued by
- NWS State College, PA
Counties Adams County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Fulton County, PA, Lancaster County, PA, Lebanon County, PA, Perry County, PA, Schuylkill County, PA, York County, PA
The radar
The State College radar (KCCX), 119 km from the middle of the area, began a volume at 08:01 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.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 8.0 hours before the alert went out and 140 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
- 328 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 2022 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
200 WWUS71 KCTP 290758 NPWCTP URGENT - WEATHER MESSAGE National Weather Service State College PA 358 AM EDT Thu Apr 29 2021 PAZ035-036-056>059-063>066-300000- /O.NEW.KCTP.HW.A.0002.210430T1600Z-210501T0900Z/ Fulton-Franklin-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-Adams- York-Lancaster- Including the cities of McConnellsburg, Chambersburg, Newport, Harrisburg, Hershey, Pottsville, Lebanon, Carlisle, Gettysburg, York, and Lancaster 358 AM EDT Thu Apr 29 2021 ...HIGH WIND WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 to 60 mph possible. * WHERE...Fulton, Franklin, Perry, Dauphin, Schuylkill, Lebanon, Cumberland, Adams, York and Lancaster Counties. * WHEN...From Friday afternoon through late Friday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. For high wind safety and preparedness information, visit weather.gov/safety/wind. && $$ MRS/REG The latest forecast information can be found on the NWS State College Facebook page and Twitter @NWSStateCollege, or on the web at weather.gov/ctp.
2 follow-up statements
568 WWUS71 KCTP 291833 NPWCTP URGENT - WEATHER MESSAGE National Weather Service State College PA 233 PM EDT Thu Apr 29 2021 PAZ004-300645- /O.NEW.KCTP.FZ.A.0003.210501T0400Z-210501T1200Z/ Warren- Including the city of Warren 233 PM EDT Thu Apr 29 2021 ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...Sub-freezing temperatures possible. * WHERE...Warren County. * WHEN...From late Friday night through Saturday morning. * IMPACTS...Freezing temperatures could kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take protective measures now as freezing temperatures could damage or kill tender plants and vegetation. Potted plants should be brought inside. The latest forecast information can be found on the NWS State College Facebook page and Twitter @NWSStateCollege, or on the web at weather.gov/ctp. && $$ PAZ035-036-056>059-063>066-300645- /O.CON.KCTP.HW.A.0002.210430T1600Z-210501T0900Z/ Fulton-Franklin-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-Adams- York-Lancaster- Including the cities of McConnellsburg, Chambersburg, Newport, Harrisburg, Hershey, Pottsville, Lebanon, Carlisle, Gettysburg, York, and Lancaster 233 PM EDT Thu Apr 29 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... * WHAT...Northwest winds 20 to 30 mph with gusts over 50 mph possible. * WHERE...Fulton, Franklin, Perry, Dauphin, Schuylkill, Lebanon, Cumberland, Adams, York and Lancaster Counties. * WHEN...From Friday afternoon through late Friday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. For high wind safety and preparedness information, visit weather.gov/safety/wind. && $$ For more information from the National Weather Service visit http://weather.gov/ctp
149 WWUS71 KCTP 300021 NPWCTP URGENT - WEATHER MESSAGE National Weather Service State College PA 821 PM EDT Thu Apr 29 2021 PAZ035-036-056>059-063>066-301230- /O.UPG.KCTP.HW.A.0002.210430T1600Z-210501T0900Z/ /O.NEW.KCTP.HW.W.0002.210430T1800Z-210501T0600Z/ Fulton-Franklin-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-Adams- York-Lancaster- Including the cities of McConnellsburg, Chambersburg, Newport, Harrisburg, Hershey, Pottsville, Lebanon, Carlisle, Gettysburg, York, and Lancaster 821 PM EDT Thu Apr 29 2021 ...HIGH WIND WARNING IN EFFECT FROM 2 PM FRIDAY TO 2 AM EDT SATURDAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Fulton, Franklin, Perry, Dauphin, Schuylkill, Lebanon, Cumberland, Adams, York and Lancaster Counties. * WHEN...From 2 PM Friday to 2 AM EDT Saturday. The strongest winds are likely Friday evening. * IMPACTS...Downed tree limbs onto power lines will likely result in scattered power outages. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. For high wind safety information, visit weather.gov/wind. The latest forecast information can be found on the NWS State College Facebook page and Twitter @NWSStateCollege, or on the web at weather.gov/ctp. && $$ PAZ006-011-012-017>019-024>028-033-034-037-041-042-045-046- 049>053-301230- /O.NEW.KCTP.WI.Y.0003.210430T1600Z-210501T0400Z/ Potter-Cameron-Northern Clinton-Clearfield-Northern Centre- Southern Centre-Cambria-Blair-Huntingdon-Mifflin-Juniata-Somerset- Bedford-Tioga-Northern Lycoming-Sullivan-Southern Clinton- Southern Lycoming-Union-Snyder-Montour-Northumberland-Columbia- Including the cities of Coudersport, Emporium, Renovo, DuBois, Clearfield, Philipsburg, State College, Johnstown, Altoona, Huntingdon, Mount Union, Lewistown, Mifflintown, Somerset, Bedford, Mansfield, Wellsboro, Trout Run, Laporte, Lock Haven, Williamsport, Lewisburg, Selinsgrove, Danville, Sunbury, Shamokin, Bloomsburg, and Berwick 821 PM EDT Thu Apr 29 2021 ...WIND ADVISORY IN EFFECT FROM NOON FRIDAY TO MIDNIGHT EDT FRIDAY NIGHT... * WHAT...Northwest winds 20 to 25 mph with gusts around 50 mph expected. * WHERE...Portions of central Pennsylvania. * WHEN...From noon Friday to midnight EDT Friday night. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. For high wind safety information, visit weather.gov/wind. The latest forecast information can be found on the NWS State College Facebook page and Twitter @NWSStateCollege, or on the web at weather.gov/ctp. && $$ PAZ004-301230- /O.CON.KCTP.FZ.A.0003.210501T0400Z-210501T1200Z/ Warren- Including the city of Warren 821 PM EDT Thu Apr 29 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...Sub-freezing temperatures possible. * WHERE...Warren County. * WHEN...Late Friday night through Saturday morning. * IMPACTS...Freezing temperatures could kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take protective measures now as freezing temperatures could damage or kill tender plants and vegetation. Potted plants should be brought inside. The latest forecast information can be found on the NWS State College Facebook page and Twitter @NWSStateCollege, or on the web at weather.gov/ctp. && $$ For more information from the National Weather Service visit http://weather.gov/ctp
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 9:57 PM EDT | Special Weather Statement | CTP | Clearfield | 33 min |
| Apr 29, 2:33 PM EDT | Freeze Watch | CTP | Cambria, Centre, Clearfield, Somerset, Warren | 24 hr |
Nearby
High Wind Watches in Pennsylvania, 2021Every high wind watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.