Alert archive / Pennsylvania / Flash Flood Warnings in 2012
Flash Flood Warning 19, NWS State College, PA
NWS State College, PA issued this flash flood warning at Sep 6, 2012, 5:07 PM EDT for Lycoming County, Tioga County, Pennsylvania. It was in force for 6 hr. 2 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
- Sep 6, 2012, 5:07 PM EDT (21:07 UTC)
- Expired
- Sep 6, 2012, 11:00 PM EDT
- In force
- 6 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Lycoming County, PA, Tioga County, PA
The radar
The State College radar (KCCX), 90 km from the middle of the area, began a volume at 21:07 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 |
|---|---|---|---|
| Sep 6, 6:05 PM EDT | FLASH FLOOD | 5 S Morris, PA | ROADS FLOODED |
| Sep 6, 6:05 PM EDT | FLASH FLOOD | 5 Sw Morris, PA | RT 414 CLOSED FLOODED |
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 12:00Z, 9.1 hours before the alert went out and 188 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
- 1594 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 693 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
991 WGUS51 KCTP 062107 FFWCTP PAC081-117-070000- /O.NEW.KCTP.FF.W.0019.120906T2107Z-120907T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 507 PM EDT THU SEP 6 2012 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL TIOGA COUNTY... NORTH CENTRAL LYCOMING COUNTY... * UNTIL 800 PM EDT... * AT 458 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS SHOWING NEARLY STATIONARY THUNDERSTORMS WITH VERY HEAVY RAIN OVER NORTH CENTRAL LYCOMING AND SOUTH CENTRAL TIOGA COUNTIES. THE HEAVIEST RAIN HAS FALLEN NEAR THE LYCOMING COUNTY LINE SOUTH OF MORRIS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BUTTONWOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN AUTOMOBILE. TURN AROUND DON'T DROWN! && LAT...LON 4163 7747 4155 7710 4146 7716 4156 7751 $$ FORECASTER: KF
1 follow-up statement
030 WGUS51 KCTP 062341 FFWCTP PAC081-117-070300- /O.EXT.KCTP.FF.W.0019.000000T0000Z-120907T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 741 PM EDT THU SEP 6 2012 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS EXTENDED THE * FLASH FLOOD WARNING FOR... SOUTH CENTRAL TIOGA COUNTY... NORTH CENTRAL LYCOMING COUNTY... * UNTIL 1100 PM EDT... * AT 731 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING FROM NEARLY STATIONARY THUNDERSTORMS OVER NORTH CENTRAL LYCOMING AND SOUTH CENTRAL TIOGA COUNTIES. THE THUNDERSTORMS SHOULD MOVE OUT OF THE AREA BY AROUND 9 PM. HOWEVER...RESIDUAL FLOODING IS LIKELY TO LAST THROUGH 11 PM. * THE HARDEST HIT LOCATION IS THE RURAL AREA SOUTH OF MORRIS AND WEST OF BUTTONWOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN AUTOMOBILE. TURN AROUND DON'T DROWN! BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. && LAT...LON 4163 7747 4155 7710 4146 7716 4156 7751 $$ FORECASTER: KF
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 3:14 PM EDT | Special Weather Statement | CTP | McKean | 31 min |
| Sep 6, 3:29 PM EDT | Special Weather Statement | CTP | Union | 31 min |
| Sep 6, 3:31 PM EDT | Special Weather Statement | CTP | Lycoming | 44 min |
| Sep 6, 3:49 PM EDT | Special Weather Statement | CTP | Sullivan | 41 min |
| Sep 6, 4:11 PM EDT | Areal Flood Advisory | CTP | Lycoming, Tioga | 3 hr |
| Sep 6, 4:22 PM EDT | Special Weather Statement | CTP | Lycoming | 23 min |
| Sep 6, 4:24 PM EDT | Special Weather Statement | CTP | Mifflin | 36 min |
| Sep 6, 4:29 PM EDT | Special Weather Statement | CTP | Sullivan | 46 min |
| Sep 6, 4:58 PM EDT | Special Weather Statement | CTP | Warren | 62 min |
| Sep 6, 5:02 PM EDT | Special Weather Statement | CTP | Lycoming | 28 min |
| Sep 6, 5:10 PM EDT | Special Weather Statement | CTP | Mifflin | 35 min |
| Sep 6, 5:22 PM EDT | Special Weather Statement | CTP | Montour, Northumberland, Union | 38 min |
| Sep 6, 5:24 PM EDT | Special Weather Statement | CTP | Tioga | 66 min |
| Sep 6, 5:39 PM EDT | Special Weather Statement | CTP | Fulton | 36 min |
| Sep 6, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Snyder, Union | 58 min |
| Sep 6, 5:59 PM EDT | Special Weather Statement | CTP | McKean | 31 min |
| Sep 6, 6:11 PM EDT | Special Weather Statement | CTP | Tioga | 34 min |
| Sep 6, 6:17 PM EDT | Special Weather Statement | CTP | Lycoming | 28 min |
| Sep 6, 6:30 PM EDT | Special Weather Statement | CTP | Potter | 45 min |
| Sep 6, 6:44 PM EDT | Special Weather Statement | CTP | Northumberland, Union | 31 min |
| Sep 6, 6:48 PM EDT | Special Weather Statement | CTP | Lycoming | 42 min |
| Sep 6, 7:02 PM EDT | Special Weather Statement | CTP | Union | 28 min |
| Sep 6, 7:04 PM EDT | Special Weather Statement | CTP | Elk | 41 min |
| Sep 6, 7:07 PM EDT | Special Weather Statement | CTP | Sullivan | 23 min |
| Sep 6, 7:49 PM EDT | Special Weather Statement | CTP | Lycoming, Montour | 56 min |
| Sep 6, 7:56 PM EDT | Special Weather Statement | CTP | Cameron | 64 min |
| Sep 6, 7:58 PM EDT | Special Weather Statement | CTP | Sullivan | 47 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2012Every flash flood warning in 2012
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.