Alert archive / Pennsylvania / Flood Watches in 2021
Flood Watch 2, NWS State College, PA
NWS State College, PA issued this flood watch at Jul 16, 2021, 1:22 PM EDT for 9 counties in Pennsylvania. It took effect at Jul 16, 2021, 10:00 PM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jul 16, 2021, 1:22 PM EDT (17:22 UTC)
- In effect from
- Jul 16, 2021, 10:00 PM EDT
- Expired
- Jul 16, 2021, 1:43 PM EDT
- In force
- Issued by
- NWS State College, PA
- Flood severity
- None
Counties Cameron County, PA, Clinton County, PA, Elk County, PA, Lycoming County, PA, McKean County, PA, Potter County, PA, Sullivan County, PA, Tioga County, PA, Warren County, PA
The radar
The State College radar (KCCX), 71 km from the middle of the area, began a volume at 17:20 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.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.4 hours before the alert went out and 166 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1011 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
026 WGUS61 KCTP 161722 FFACTP URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service State College PA 122 PM EDT Fri Jul 16 2021 PAZ004>006-010>012-037-041-042-045-046-171200- /O.NEW.KCTP.FA.A.0002.210717T0200Z-210718T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Tioga-Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming- Including the cities of Bradford, St. Marys, Coudersport, Wellsboro, Renovo, Laporte, Lock Haven, Trout Run, Emporium, Williamsport, Mansfield, Ridgway, and Warren 122 PM EDT Fri Jul 16 2021 ...FLOOD WATCH IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH SATURDAY EVENING... The National Weather Service in State College has issued a * Flood Watch for a portion of central Pennsylvania, including the following areas, Cameron, Elk, McKean, Northern Clinton, Northern Lycoming, Potter, Southern Clinton, Southern Lycoming, Sullivan, Tioga and Warren. * From 10 PM EDT this evening through Saturday evening. * A slow moving front will focus rounds of locally heavy rainfall across the Watch area tonight and Saturday. Extremely wet soils will lead to rapid runoff and possible flash flooding in areas of heavy rain. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ DeVoir
1 follow-up statement
187 WGUS61 KCTP 161743 FFACTP Flood Watch National Weather Service State College PA 143 PM EDT Fri Jul 16 2021 PAZ004>006-010>012-037-041-042-045-046-161845- /O.CAN.KCTP.FA.A.0002.210717T0200Z-210718T0200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Tioga-Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming- Including the cities of Bradford, St. Marys, Coudersport, Wellsboro, Renovo, Laporte, Lock Haven, Trout Run, Emporium, Williamsport, Mansfield, Ridgway, and Warren 143 PM EDT Fri Jul 16 2021 ...FLOOD WATCH IS CANCELLED... A Flash Flood Watch was intended and will be issued in its place. The Flood Watch is cancelled. $$
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 9:40 PM EDT | Special Weather Statement | CTP | Warren | 50 min |
| Jul 16, 1:46 PM EDT | Flash Flood Watch | CTP | Adams, Cameron, Clinton, Columbia, Dauphin, Elk and 12 more | 32 hr |
| Jul 16, 1:59 PM EDT | Special Weather Statement | CTP | Montour | 31 min |
| Jul 16, 2:05 PM EDT | Areal Flood Advisory | CTP | Lycoming, Sullivan | 2 hr |
| Jul 16, 2:18 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 42 min |
| Jul 16, 2:29 PM EDT | Special Weather Statement | CTP | Montour | 31 min |
| Jul 16, 2:52 PM EDT | Special Weather Statement | CTP | Potter | 23 min |
| Jul 16, 2:59 PM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland | 2 hr |
| Jul 16, 2:59 PM EDT | Special Weather Statement | CTP | Columbia | 31 min |
| Jul 16, 3:14 PM EDT | Special Weather Statement | CTP | Potter | 31 min |
| Jul 16, 3:19 PM EDT | Special Weather Statement | CTP | Montour | 26 min |
| Jul 16, 3:22 PM EDT | Special Weather Statement | CTP | Juniata, Perry | 38 min |
| Jul 16, 3:54 PM EDT | Special Weather Statement | CTP | Clearfield | 36 min |
| Jul 16, 4:07 PM EDT | Special Weather Statement | CTP | Clearfield | 38 min |
| Jul 16, 4:11 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 49 min |
| Jul 16, 4:18 PM EDT | Special Weather Statement | CTP | Tioga | 42 min |
| Jul 16, 4:20 PM EDT | Flash Flood Warning | CTP | Columbia, Montour, Northumberland, Union | 85 min |
| Jul 16, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 46 min |
| Jul 16, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 45 min |
| Jul 16, 4:47 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 43 min |
| Jul 16, 4:57 PM EDT | Special Weather Statement | CTP | Clinton | 33 min |
| Jul 16, 4:59 PM EDT | Areal Flood Advisory | CTP | Lycoming, Tioga | 2 hr |
| Jul 16, 5:10 PM EDT | Areal Flood Advisory | CTP | Sullivan | 3 hr |
| Jul 16, 5:13 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 32 min |
| Jul 16, 5:25 PM EDT | Special Weather Statement | CTP | Carbon | 20 min |
| Jul 16, 5:31 PM EDT | Flash Flood Warning | CTP | Sullivan | 108 min |
| Jul 16, 5:32 PM EDT | Special Weather Statement | CTP | Clinton | 28 min |
| Jul 16, 5:44 PM EDT | Special Weather Statement | CTP | Centre | 31 min |
| Jul 16, 6:01 PM EDT | Special Weather Statement | CTP | Centre | 29 min |
| Jul 16, 6:02 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 45 min |
| Jul 16, 6:31 PM EDT | Special Weather Statement | CTP | Union | 29 min |
| Jul 16, 6:52 PM EDT | Special Weather Statement | CTP | Columbia | 23 min |
| Jul 16, 6:57 PM EDT | Special Weather Statement | CTP | Union | 33 min |
| Jul 16, 7:15 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland, Snyder, Union | 2 hr |
Nearby
Flood Watches in Pennsylvania, 2021Every flood 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.