Alert archive / Pennsylvania / Flash Flood Warnings in 2021
Flash Flood Warning 5, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 13, 2021, 9:06 PM EDT for Lycoming County, Sullivan County, Tioga County, Pennsylvania. It was in force for 3 hr. 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, 9:06 PM EDT (01:06 UTC)
- Expired
- Jul 14, 2021, 12:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lycoming County, PA, Sullivan County, PA, Tioga County, PA
The radar
The State College radar (KCCX), 94 km from the middle of the area, began a volume at 01:11 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, 9:35 PM EDT | FLASH FLOOD | 1 Ene Muncy, PA | MULTIPLE ROAD CLOSURES ALONG MUNCY CREEK FROM WATER ACROSS THE ROADWAY IN MUNCY TOWNSHIP. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.1 hours before the alert went out and 229 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
- 883 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -60 m²/s²
- 0-3 km storm-relative helicity
- -49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
095
WGUS51 KCTP 140106
FFWCTP
PAC081-113-117-140400-
/O.NEW.KCTP.FF.W.0005.210714T0106Z-210714T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service State College PA
906 PM EDT Tue Jul 13 2021
The National Weather Service in State College has issued a
* Flash Flood Warning for...
Lycoming County in north central Pennsylvania...
Western Sullivan County in north central Pennsylvania...
Southeastern Tioga County in north central Pennsylvania...
* Until midnight EDT.
* At 906 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1
to 1.5 inches in 2 hours. Additional rainfall amounts of 0.5 to 1
inch are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Williamsport, Montoursville, Jersey Shore, Muncy, Hughesville,
Montgomery, Blossburg, Duboistown, Trout Run, Loyalsockville,
Ralston, Cogan Station, Barbours, Buttonwood, Ogdensburg,
Elimsport, Shunk, Kettle Creek Gorge, Collomsville and English
Center.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4135 7750 4182 7690 4160 7687 4155 7640
4131 7661 4117 7677 4116 7688 4114 7690
4115 7696 4109 7698 4107 7716 4120 7729
4122 7735
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...1-1.5 INCHES IN 2 HOURS
$$
Banghoff2 follow-up statements
468
WGUS71 KCTP 140245
FFSCTP
Flash Flood Statement
National Weather Service State College PA
1045 PM EDT Tue Jul 13 2021
PAC117-140255-
/O.CAN.KCTP.FF.W.0005.000000T0000Z-210714T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tioga PA-
1045 PM EDT Tue Jul 13 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN TIOGA COUNTY...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
A Flash Flood Watch remains in effect until 1200 AM EDT for a
portion of central Pennsylvania.
LAT...LON 4158 7669 4155 7640 4131 7661 4117 7677
4116 7688 4114 7690 4115 7696 4109 7698
4107 7716
$$
PAC081-113-140400-
/O.CON.KCTP.FF.W.0005.000000T0000Z-210714T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lycoming PA-Sullivan PA-
1045 PM EDT Tue Jul 13 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
FOR EASTERN LYCOMING AND WESTERN SULLIVAN COUNTIES...
At 1045 PM EDT, local law enforcement reported thunderstorms
producing heavy rain across the warned area. Between 2 and 3 inches
of rain have fallen. The expected rainfall rate is 0.25 to 0.5
inches in 1 hour. Additional rainfall amounts of 0.2 to 0.5 inches
are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Williamsport, Montoursville, Muncy, Hughesville, Montgomery,
Barbours, Kettle Creek Gorge, Loyalsockville, Muncy Valley,
Lincoln Falls, Elimsport, South Williamsport, Picture Rocks,
Forksville, Eagles Mere, Hillsgrove, Williamsport Airport and
Little League World Series Complex.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 4158 7669 4155 7640 4131 7661 4117 7677
4116 7688 4114 7690 4115 7696 4109 7698
4107 7716
FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...0.25-0.5 INCHES IN 1 HOUR
$$
Banghoff936
WGUS71 KCTP 140402
FFSCTP
Flash Flood Statement
National Weather Service State College PA
1202 AM EDT Wed Jul 14 2021
PAC081-113-140412-
/O.EXP.KCTP.FF.W.0005.000000T0000Z-210714T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lycoming PA-Sullivan PA-
1202 AM EDT Wed Jul 14 2021
...FLASH FLOOD WARNING HAS EXPIRED FOR EASTERN LYCOMING AND WESTERN
SULLIVAN COUNTIES...
Flood waters are receding. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 4158 7669 4155 7640 4131 7661 4117 7677
4116 7688 4114 7690 4115 7696 4109 7698
4107 7716
$$
DangeloThe 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, 8:51 PM EDT | Tornado Warning | CTP | Lycoming, Montour, Northumberland | 24 min |
| Jul 13, 8:59 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 61 min |
| 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
Flash Flood Warnings in Pennsylvania, 2021Every flash flood 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.