Alert archive / Pennsylvania / Flash Flood Warnings in 2006
Flash Flood Warning 49, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 21, 2006, 12:42 AM EDT for Tioga County, Pennsylvania. It was in force for 4 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
- Jul 21, 2006, 12:42 AM EDT (04:42 UTC)
- Expired
- Jul 21, 2006, 4:45 AM EDT
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Counties, with a storm outline in the text
County Tioga County, PA
The radar
The Binghamton radar (KBGM), 116 km from the middle of the area, began a volume at 04:46 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 21, 2:00 AM EDT | FLASH FLOOD | 5 W Elkland, PA | ONE FOOT OF WATER COVERING YARDS ALONG HOLDEN BROOK ROAD. |
| Jul 21, 2:00 AM EDT | FLASH FLOOD | Elkland, PA | WATER COVERING BUSINESS ACCESS ROADS. |
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, 4.7 hours before the alert went out and 156 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
- 571 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 993 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KCTP 210443 FFWCTP PAC117-210845- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 1242 AM EDT FRI JUL 21 2006 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * FLASH FLOOD WARNING FOR... TIOGA COUNTY IN NORTH CENTRAL PENNSYLVANIA * UNTIL 445 AM EDT * AT 1236 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FALLING FROM A CLUSTER OF THUNDERSTORMS SITTING NEARLY STATIONARY OVER NORTHERN TIOGA COUNTY...RIGHT ALONG THE NEW YORK BORDER. THE MOST DANGEROUS AREAS WILL BE THE SMALLER CREEKS AND STREAMS ALONG THE COWANESQUE RIVER AND ROUTE 49. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ELKLAND... KEENEYVILLE...MILLERTON...TIOGA JUNCTION AND WESTFIELD. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA THROUGH 2 AM. 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 DONT 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. IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. LAT...LON 4201 7765 4182 7763 4183 7690 4201 7692 $$ FORECASTER: DANGELO
1 follow-up statement
000 WGUS71 KCTP 210605 FFSCTP FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 201 AM EDT FRI JUL 21 2006 PAC117-210845- TIOGA PA- 201 AM EDT FRI JUL 21 2006 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM EDT FOR TIOGA COUNTY... AT 156 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT A THUNDERSTORM PRODUCING VERY HEAVY RAIN WAS MOVING TO THE EAST OUT OF NORTHERN TIOGA COUNTY. SOME FLOODING HAS ALREADY BEEN REPORTED IN ELKLAND AND NEARBY AREAS. MOST OF THE HEAVY RAIN HAS MOVED OUT OF THE AREA...AND ADDITIONAL RAINFALL AMOUNTS OF LESS THAN A HALF OF AN INCH ARE POSSIBLE IN THE WARNED AREA THROUGH THE REST OF THE NIGHT. WHILE THE HEAVIEST OF THE RAIN IS OVER...FLOODING IS STILL POSSIBLE AS THE RAINFALL FROM EARLIER MAKES IT INTO THE STREAMS AND CREEKS...ESPECIALLY PLACES ALONG THE COWANESQUE RIVER. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ELKLAND...KEENEYVILLE...MILLERTON...TIOGA JUNCTION AND WESTFIELD. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. LAT...LON 4201 7765 4182 7763 4183 7690 4201 7692 $$ FORECASTER: DANGELO
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 8:08 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 67 min |
| Jul 21, 2:34 PM EDT | Flash Flood Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 29 hr |
| Jul 21, 6:48 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 57 min |
| Jul 21, 7:22 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 53 min |
| Jul 21, 7:53 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 82 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2006Every flash flood warning in 2006
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.