Alert archive / Pennsylvania / River Flood Warnings in 2011

River Flood Warning 43, NWS State College, PA

April 17, 2011Lancaster County, York County, Pennsylvania

NWS State College, PA issued this river flood warning at Apr 17, 2011, 12:28 PM EDT for Lancaster County, York County, Pennsylvania. It took effect at Apr 18, 2011, 4:29 AM EDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 17, 2011, 12:28 PM EDT (16:28 UTC)
In effect from
Apr 18, 2011, 4:29 AM EDT
Expired
Apr 18, 2011, 7:06 AM EDT
In force
3 hr
Issued by
NWS State College, PA
Flood severity
Minor

Counties Lancaster County, PA, York County, PA

The radar

The Sterling radar (KLWX), 141 km from the middle of the area, began a volume at 16:29 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 river

Written for the forecast point Susquehanna River at Marietta (MRTP1). The gauge peaked at 48.62 ft at Apr 18, 2011, 12:00 AM EDT.

actionminormoderate455004/1704/1804/19
Action stage
44 ft
Minor stage
49 ft
Moderate stage
52 ft
Major stage
54 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01576000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted, in the capitals the NWS used until 2016.

052 
WGUS41 KCTP 171628
FLWCTP
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
1228 PM EDT SUN APR 17 2011

...THE NATIONAL WEATHER SERVICE IN STATE COLLEGE, PA HAS ISSUED A 
FLOOD WARNING FOR THE FOLLOWING RIVERS IN PENNSYLVANIA...

  SUSQUEHANNA RIVER AT MARIETTA

...FORECAST FLOODING CHANGED FROM MINOR TO MODERATE SEVERITY FOR THE 
FOLLOWING RIVERS IN PENNSYLVANIA...

  CONODOGUINET CREEK NEAR HOGESTOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...NEVER DRIVE CARS THROUGH FLOODED AREAS!!  THE WATER 
MAY BE TOO DEEP TO ALLOW SAFE PASSAGE.  MOST DEATHS THAT OCCUR DURING
FLOODING ARE RELATED TO VEHICLES TRYING TO CROSS FLOODED ROADWAYS.

AN UPDATE TO THIS PRODUCT WILL BE ISSUED LATER TODAY.

&&

PAC041-180428-
/O.CON.KCTP.FL.W.0035.000000T0000Z-000000T0000Z/
/HGSP1.2.ER.110417T0339Z.110418T0000Z.000000T0000Z.NO/
1228 PM EDT SUN APR 17 2011

...FORECAST FLOODING INCREASED FROM MINOR TO MODERATE SEVERITY...
 
THE FLOOD WARNING CONTINUES FOR 
  THE CONODOGUINET CREEK NEAR HOGESTOWN
* AT 12 PM SUNDAY THE STAGE WAS...8.8 FEET.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* THE RIVER WILL CREST NEAR 10.3 FEET BY THIS EVENING THEN BEGIN 
  FALLING.
* AT 10.0 FEET...SOME RESIDENCES IN THE VICINITY OF ERB'S BRIDGE 
  ROAD...PROWELL ROAD...STONE SPRING LANE...AND OYSTER MILL ROAD ARE 
  FLOODED.

$$

PAC071-133-180428-
/O.NEW.KCTP.FL.W.0043.110418T1100Z-110419T2100Z/
/MRTP1.1.ER.110418T1100Z.110418T2300Z.110419T1500Z.NO/
1228 PM EDT SUN APR 17 2011

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE, PA HAS ISSUED A 

* FLOOD WARNING FOR 
  THE SUSQUEHANNA RIVER AT MARIETTA
* FROM MONDAY MORNING TO TUESDAY AFTERNOON...OR UNTIL THE WARNING IS
  CANCELLED.
* AT 12 PM SUNDAY THE STAGE WAS...47.2 FEET.
* FLOOD STAGE IS 49.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE BY TOMORROW MORNING
  AND CREST NEAR 49.8 FEET BY TOMORROW EVENING. THE RIVER WILL FALL 
  BELOW FLOOD STAGE BY LATE TUESDAY MORNING.
* AT 49.0 FEET...FRONT STREET IN WRIGHTSVILLE FLOODS. LOW LYING AREAS
  OF ROUTE 624 ON THE RIGHT...OR WEST BANK AND ALONG ROUTE 441 ON THE
  LEFT...OR EAST BANK ARE ALSO AFFECTED. RIVERSIDE RECREATION AREA IS
  ALSO INUNDATED.

$$

EVANEGO/LACORTE
5 follow-up statements
344 
WGUS81 KCTP 172111
FLSCTP
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
511 PM EDT SUN APR 17 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...

  AUGHWICK CREEK AT SHIRLEYSBURG
  SUSQUEHANNA RIVER AT MARIETTA
  YELLOW BREECHES CREEK NEAR CAMP HILL
  SWATARA CREEK AT HARPER TAVERN
  SWATARA CREEK NEAR HERSHEY
  CONODOGUINET CREEK NEAR HOGESTOWN
  SWATARA CREEK AT MIDDLETOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...NEVER DRIVE CARS THROUGH FLOODED AREAS!!  THE WATER 
MAY BE TOO DEEP TO ALLOW SAFE PASSAGE.  MOST DEATHS THAT OCCUR DURING
FLOODING ARE RELATED TO VEHICLES TRYING TO CROSS FLOODED ROADWAYS.

AN UPDATE TO THIS PRODUCT WILL BE ISSUED LATE THIS EVENING.

&&

PAC041-133-180911-
/O.EXT.KCTP.FL.W.0036.000000T0000Z-110419T1900Z/
/CPHP1.3.ER.110416T2331Z.110417T1315Z.110419T1300Z.NO/
511 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE YELLOW BREECHES CREEK NEAR CAMP HILL.
* AT 2 PM SUNDAY THE STAGE WAS 11.4 FEET AND FALLING.
* FLOOD STAGE IS 7.0 FEET.
* MODERATE FLOODING IS FORECAST.
* THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY LATE 
  TUESDAY MORNING.
* AT 11.0 FEET...A NUMBER OF HOMES ALONG THE ENTIRE LENGTH OF YELLOW 
  BREECHES CREEK ARE AFFECTED BY HIGH WATER.

$$

PAC061-180450-
/O.EXT.KCTP.FL.W.0033.000000T0000Z-110418T0450Z/
/SLYP1.2.ER.110417T0247Z.110417T1415Z.110417T2250Z.NO/
511 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE AUGHWICK CREEK AT SHIRLEYSBURG.
* AT 4 PM SUNDAY THE STAGE WAS 10.6 FEET AND FALLING.
* FLOOD STAGE IS 10.0 FEET.
* MINOR FLOODING IS OCCURRING.
* THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY THIS 
  EVENING.
* AT 10.0 FEET...THE AUGHWICK CREEK AT SHIRLEYSBURG EXCEEDS ITS 
  BANKS. SEVERAL HOMES ARE AFFECTED.

$$

PAC071-133-180911-
/O.EXT.KCTP.FL.W.0043.110418T0500Z-110419T1312Z/
/MRTP1.1.ER.110418T0500Z.110418T1800Z.110419T0712Z.NO/
511 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA RIVER AT MARIETTA.
* FROM LATE TONIGHT TO TUESDAY MORNING...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 4 PM SUNDAY THE STAGE WAS 48.0 FEET AND RISING.
* FLOOD STAGE IS 49.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE BY AFTER MIDNIGHT 
  TONIGHT AND CREST NEAR 49.6 FEET BY EARLY MONDAY AFTERNOON. THE 
  RIVER WILL FALL BELOW FLOOD STAGE BY TUESDAY MORNING.
* AT 49.0 FEET...FRONT STREET IN WRIGHTSVILLE FLOODS. LOW LYING AREAS
  OF ROUTE 624 ON THE RIGHT...OR WEST BANK AND ALONG ROUTE 441 ON THE
  LEFT...OR EAST BANK ARE ALSO AFFECTED. RIVERSIDE RECREATION AREA IS
  ALSO INUNDATED.

$$

PAC041-180911-
/O.CON.KCTP.FL.W.0035.000000T0000Z-000000T0000Z/
/HGSP1.1.ER.110417T0339Z.110418T0600Z.000000T0000Z.NO/
511 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE CONODOGUINET CREEK NEAR HOGESTOWN.
* AT 4 PM SUNDAY THE STAGE WAS 9.0 FEET AND RISING.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL CREST NEAR 9.5 FEET BY AFTER MIDNIGHT TONIGHT THEN 
  BEGIN FALLING.
* AT 10.0 FEET...SOME RESIDENCES IN THE VICINITY OF ERB'S BRIDGE 
  ROAD...PROWELL ROAD...STONE SPRING LANE...AND OYSTER MILL ROAD ARE 
  FLOODED.

$$

PAC043-075-107-180911-
/O.EXT.KCTP.FL.W.0040.000000T0000Z-110418T1400Z/
/HTVP1.1.ER.110417T0231Z.110417T1715Z.110418T0800Z.NO/
511 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK AT HARPER TAVERN.
* AT 4 PM SUNDAY THE STAGE WAS 11.6 FEET AND FALLING.
* FLOOD STAGE IS 9.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY EARLY 
  MONDAY MORNING.
* AT 12.0 FEET...A NUMBER OF SECONDARY ROADS ARE CLOSED...RESULTING 
  IN SOME EVACUATIONS.  A FEW HOMES ARE FLOODED.

$$

PAC043-075-180911-
/O.EXT.KCTP.FL.W.0041.000000T0000Z-110418T1400Z/
/HERP1.1.ER.110417T0237Z.110417T2016Z.110418T0800Z.NO/
511 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK NEAR HERSHEY.
* AT 4 PM SUNDAY THE STAGE WAS 8.3 FEET AND FALLING.
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY 
  MONDAY MORNING.
* AT 8.0 FEET...THE RIGHT...OR NORTH BANK OVERFLOWS. SEVERAL ROADS 
  ARE AFFECTED.

$$

PAC043-180910-
/O.CON.KCTP.FL.W.0042.000000T0000Z-000000T0000Z/
/MIDP1.1.ER.000000T0000Z.110417T2200Z.000000T0000Z.NO/
511 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK AT MIDDLETOWN.
* AT 4 PM SUNDAY THE CREEK WAS CRESTING AROUND 12.2 FEET.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE CREEK WILL LIKELY FALL TO BELOW FLOOD STAGE MONDAY MORNING.
* AT 12.0 FEET...BOTH BANKS OVERFLOW JUST UPSTREAM OF THE VINE STREET
  BRIDGE. SEVERAL BASEMENTS ARE AFFECTED.

$$
902 
WGUS81 KCTP 180229
FLSCTP
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
1029 PM EDT SUN APR 17 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...

  SUSQUEHANNA RIVER AT MARIETTA
  CONODOGUINET CREEK NEAR HOGESTOWN
  SWATARA CREEK AT HARPER TAVERN
  SWATARA CREEK NEAR HERSHEY
  YELLOW BREECHES CREEK NEAR CAMP HILL
  SWATARA CREEK AT MIDDLETOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...NEVER DRIVE CARS THROUGH FLOODED AREAS!!  THE WATER 
MAY BE TOO DEEP TO ALLOW SAFE PASSAGE.  MOST DEATHS THAT OCCUR DURING
FLOODING ARE RELATED TO VEHICLES TRYING TO CROSS FLOODED ROADWAYS.

AN UPDATE TO THIS PRODUCT WILL BE ISSUED BY EARLY MONDAY MORNING.

&&

PAC041-133-181429-
/O.CON.KCTP.FL.W.0036.000000T0000Z-110419T1900Z/
/CPHP1.3.ER.110416T2331Z.110417T1315Z.110419T1300Z.NO/
1029 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE YELLOW BREECHES CREEK NEAR CAMP HILL.
* AT 8 PM SUNDAY THE STAGE WAS 11.0 FEET AND FALLING.
* FLOOD STAGE IS 7.0 FEET.
* MODERATE FLOODING IS FORECAST.
* THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY LATE 
  TUESDAY MORNING.
* AT 11.0 FEET...A NUMBER OF HOMES ALONG THE ENTIRE LENGTH OF YELLOW 
  BREECHES CREEK ARE AFFECTED BY HIGH WATER.

$$

PAC071-133-181429-
/O.EXT.KCTP.FL.W.0043.110418T1000Z-110419T0300Z/
/MRTP1.1.ER.110418T1000Z.110418T1200Z.110418T2100Z.NO/
1029 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA RIVER AT MARIETTA.
* FROM MONDAY MORNING TO MONDAY EVENING...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 10 PM SUNDAY THE STAGE WAS 48.5 FEET AND RISING.
* FLOOD STAGE IS 49.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE BY MONDAY MORNING
  AND CREST NEAR 49.1 FEET BY EARLY MONDAY AFTERNOON. THE RIVER 
  WILL FALL BELOW FLOOD STAGE BY LATE MONDAY AFTERNOON.
* AT 49.0 FEET...FRONT STREET IN WRIGHTSVILLE FLOODS. LOW LYING AREAS
  OF ROUTE 624 ON THE RIGHT...OR WEST BANK AND ALONG ROUTE 441 ON THE
  LEFT...OR EAST BANK ARE ALSO AFFECTED. RIVERSIDE RECREATION AREA IS
  ALSO INUNDATED.

$$

PAC041-181429-
/O.EXT.KCTP.FL.W.0035.000000T0000Z-110419T1330Z/
/HGSP1.1.ER.110417T0339Z.110418T0600Z.110419T0730Z.NO/
1029 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE CONODOGUINET CREEK NEAR HOGESTOWN.
* AT 10 PM SUNDAY THE CREEK WAS CRESTING NEAR 9.2 FEET.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL FALL BELOW FLOOD STAGE BY TUESDAY MORNING.
* AT 10.0 FEET...SOME RESIDENCES IN THE VICINITY OF ERB'S BRIDGE 
  ROAD...PROWELL ROAD...STONE SPRING LANE...AND OYSTER MILL ROAD ARE 
  FLOODED.

$$

PAC043-075-107-181300-
/O.EXT.KCTP.FL.W.0040.000000T0000Z-110418T1300Z/
/HTVP1.1.ER.110417T0231Z.110417T1715Z.110418T0700Z.NO/
1029 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK AT HARPER TAVERN.
* AT 9 PM SUNDAY THE STAGE WAS 10.0 FEET AND FALLING.
* FLOOD STAGE IS 9.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY EARLY 
  MONDAY MORNING.
* AT 10.0 FEET...HIGH WATER ISOLATES SEVERAL HOUSES.

$$

PAC043-075-181429-
/O.EXT.KCTP.FL.W.0041.000000T0000Z-110418T1600Z/
/HERP1.1.ER.110417T0237Z.110417T2315Z.110418T1000Z.NO/
1029 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK NEAR HERSHEY.
* AT 10 PM SUNDAY THE STAGE WAS 8.3 FEET AND FALLING.
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY
  MONDAY MORNING.
* AT 8.0 FEET...THE RIGHT...OR NORTH BANK OVERFLOWS. SEVERAL ROADS 
  ARE AFFECTED.

$$

PAC043-181429-
/O.CON.KCTP.FL.W.0042.000000T0000Z-000000T0000Z/
/MIDP1.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
1029 PM EDT SUN APR 17 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK AT MIDDLETOWN.
* AT 10 PM SUNDAY THE ESTIMATED STAGE WAS CRESTING AROUND 12.1 FEET.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL LIKELY FALL BELOW FLOOD STAGE BY LATE MONDAY
  MORNING.


$$
938 
WGUS81 KCTP 180603
FLSCTP
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
203 AM EDT MON APR 18 2011

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...

  SWATARA CREEK AT HARPER TAVERN

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...

  SUSQUEHANNA RIVER AT MARIETTA
  CONODOGUINET CREEK NEAR HOGESTOWN
  YELLOW BREECHES CREEK NEAR CAMP HILL
  SWATARA CREEK NEAR HERSHEY
  SWATARA CREEK AT MIDDLETOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...NEVER DRIVE CARS THROUGH FLOODED AREAS!!  THE WATER 
MAY BE TOO DEEP TO ALLOW SAFE PASSAGE.  MOST DEATHS THAT OCCUR DURING
FLOODING ARE RELATED TO VEHICLES TRYING TO CROSS FLOODED ROADWAYS.

AN UPDATE TO THIS PRODUCT WILL BE ISSUED LATE THIS MORNING.

&&

PAC041-133-181803-
/O.CON.KCTP.FL.W.0036.000000T0000Z-110419T1900Z/
/CPHP1.3.ER.110416T2331Z.110417T1315Z.110419T1300Z.NO/
203 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE YELLOW BREECHES CREEK NEAR CAMP HILL.
* AT 1 AM MONDAY THE STAGE WAS 10.0 FEET AND FALLING.
* FLOOD STAGE IS 7.0 FEET.
* MODERATE FLOODING IS FORECAST.
* AT 11.0 FEET...A NUMBER OF HOMES ALONG THE ENTIRE LENGTH OF YELLOW 
  BREECHES CREEK ARE AFFECTED BY HIGH WATER.

$$

PAC071-133-181803-
/O.CON.KCTP.FL.W.0043.110418T1000Z-110419T0300Z/
/MRTP1.1.ER.110418T1000Z.110418T1200Z.110418T2100Z.NO/
203 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA RIVER AT MARIETTA.
* FROM THIS MORNING TO THIS EVENING...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 1 AM MONDAY THE STAGE WAS 48.6 FEET AND STEADY.
* FLOOD STAGE IS 49.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER IS FORECAST TO RISE JUST ABOVE FLOOD STAGE THIS
  MORNING AND CREST NEAR 49.1 FEET BY THIS AFTERNOON. THE RIVER
  WILL FALL BELOW FLOOD STAGE BY LATE THIS AFTERNOON.
* AT 49.0 FEET...FRONT STREET IN WRIGHTSVILLE FLOODS. LOW LYING AREAS
  OF ROUTE 624 ON THE RIGHT...OR WEST BANK AND ALONG ROUTE 441 ON THE
  LEFT...OR EAST BANK ARE ALSO AFFECTED. RIVERSIDE RECREATION AREA IS
  ALSO INUNDATED.

$$

PAC041-181803-
/O.CON.KCTP.FL.W.0035.000000T0000Z-110419T1330Z/
/HGSP1.1.ER.110417T0339Z.110418T0530Z.110419T0730Z.NO/
203 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE CONODOGUINET CREEK NEAR HOGESTOWN.
* AT 2 AM MONDAY THE STAGE WAS 9.3 FEET AND FALLING.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE WATER LEVEL WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY
  EARLY TUESDAY MORNING.
* AT 10.0 FEET...SOME RESIDENCES IN THE VICINITY OF ERB'S BRIDGE 
  ROAD...PROWELL ROAD...STONE SPRING LANE...AND OYSTER MILL ROAD ARE 
  FLOODED.

$$

PAC043-075-107-180633-
/O.CAN.KCTP.FL.W.0040.000000T0000Z-110418T1300Z/
/HTVP1.1.ER.110417T0231Z.110417T1715Z.110418T0306Z.NO/
203 AM EDT MON APR 18 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE SWATARA CREEK AT HARPER TAVERN.
* AT 1 AM MONDAY THE STAGE WAS 7.9 FEET AND FALLING.
* THE RIVER FELL BELOW FLOOD STAGE AROUND 11 PM SUNDAY.
* FLOOD STAGE IS 9.0 FEET.
* THE WATER LEVEL WILL CONTINUE FALLING TO 5.2 FEET BY
  TUESDAY EVENING.
* AT 9.0 FEET...SEVERAL DRIVEWAYS AND OTHER MINOR ROADWAYS ARE 
  AFFECTED.  WATER BEGINS TO ENTER SOME BASEMENTS.

$$

PAC043-075-181600-
/O.CON.KCTP.FL.W.0041.000000T0000Z-110418T1600Z/
/HERP1.1.ER.110417T0237Z.110417T2315Z.110418T1000Z.NO/
203 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK NEAR HERSHEY.
* AT 2 AM MONDAY THE STAGE WAS 8.0 FEET AND FALLING.
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE WATER LEVEL WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY
  THIS MORNING.
* AT 8.0 FEET...THE RIGHT...OR NORTH BANK OVERFLOWS. SEVERAL ROADS 
  ARE AFFECTED.

$$

PAC043-181802-
/O.CON.KCTP.FL.W.0042.000000T0000Z-000000T0000Z/
/MIDP1.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
203 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK AT MIDDLETOWN.
* AT 1 AM MONDAY THE ESTIMATED STAGE WAS 11.5 FEET AND FALLING.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE WATER LEVEL WILL LIKELY FALL BELOW FLOOD STAGE BY LATE THIS
  MORNING. 

$$
433 
WGUS81 KCTP 180835
FLSCTP
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
435 AM EDT MON APR 18 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...

  SUSQUEHANNA RIVER AT MARIETTA
  CONODOGUINET CREEK NEAR HOGESTOWN
  YELLOW BREECHES CREEK NEAR CAMP HILL

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...

  SWATARA CREEK NEAR HERSHEY
  SWATARA CREEK AT MIDDLETOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...NEVER DRIVE CARS THROUGH FLOODED AREAS!!  THE WATER 
MAY BE TOO DEEP TO ALLOW SAFE PASSAGE.  MOST DEATHS THAT OCCUR DURING
FLOODING ARE RELATED TO VEHICLES TRYING TO CROSS FLOODED ROADWAYS.

AN UPDATE TO THIS PRODUCT WILL BE ISSUED LATER THIS MORNING.

&&

PAC041-133-182035-
/O.EXT.KCTP.FL.W.0036.000000T0000Z-110419T1400Z/
/CPHP1.3.ER.110416T2331Z.110417T1315Z.110419T0800Z.NO/
435 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE YELLOW BREECHES CREEK NEAR CAMP HILL.
* AT 2 AM MONDAY THE STAGE WAS 9.7 FEET AND FALLING.
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY EARLY 
  TOMORROW MORNING.
* AT 9.0 FEET...A NUMBER OF HOMES IN THE GREEN LANE FARMS DEVELOPMENT
  ARE AFFECTED BY HIGH WATER.  CEDAR CLIFF DRIVE ON THE LEFT BANK 
  UPSTREAM FROM THE BRIDGE IS INUNDATED. CREEKWOOD DRIVE HAS SEVERAL 
  FEET OF WATER ON IT, AND WATER IS APPROACHING HOMES.

$$

PAC071-133-182034-
/O.EXT.KCTP.FL.W.0043.110418T0829Z-110419T0000Z/
/MRTP1.3.ER.110418T0730Z.110418T0800Z.110418T1800Z.NR/
435 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA RIVER AT MARIETTA.
* FROM EARLY THIS MORNING TO THIS EVENING...OR UNTIL THE WARNING IS 
  CANCELLED.
* AT 4 AM MONDAY THE STAGE WAS 48.5 FEET AND STEADY.
* FLOOD STAGE IS 49.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER IS FORECAST TO RISE TO NEAR FLOOD STAGE THIS AFTERNOON.
* AT 49.0 FEET...FRONT STREET IN WRIGHTSVILLE FLOODS. LOW LYING AREAS
  OF ROUTE 624 ON THE RIGHT...OR WEST BANK AND ALONG ROUTE 441 ON THE
  LEFT...OR EAST BANK ARE ALSO AFFECTED. RIVERSIDE RECREATION AREA IS
  ALSO INUNDATED.

$$

PAC041-182034-
/O.EXT.KCTP.FL.W.0035.000000T0000Z-110419T1800Z/
/HGSP1.1.ER.110417T0339Z.110418T1200Z.110419T1200Z.NO/
435 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE CONODOGUINET CREEK NEAR HOGESTOWN.
* AT 4 AM MONDAY THE STAGE WAS 9.5 FEET AND SLOWLY RISING.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL CREST NEAR 9.7 FEET BY THIS MORNING. THE RIVER WILL 
  FALL BELOW FLOOD STAGE TOMORROW MORNING.
* AT 10.0 FEET...SOME RESIDENCES IN THE VICINITY OF ERB'S BRIDGE 
  ROAD...PROWELL ROAD...STONE SPRING LANE...AND OYSTER MILL ROAD ARE 
  FLOODED.

$$

PAC043-075-181600-
/O.CON.KCTP.FL.W.0041.000000T0000Z-110418T1600Z/
/HERP1.1.ER.110417T0237Z.110417T2315Z.110418T1000Z.NO/
435 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK NEAR HERSHEY.
* AT 4 AM MONDAY THE STAGE WAS 7.4 FEET AND FALLING.
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY THIS 
  MORNING.
* AT 7.0 FEET...THE RIGHT...OR NORTH BANK BEGINS TO OVERFLOW.  
  SEVERAL ROADWAYS UPSTREAM OF THE GAGE ARE AFFECTED BY HIGH WATER.

$$

PAC043-182034-
/O.CON.KCTP.FL.W.0042.000000T0000Z-000000T0000Z/
/MIDP1.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
435 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK AT MIDDLETOWN.
* AT 1 AM MONDAY THE ESTIMATED STAGE WAS 11.5 FEET AND FALLING.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE WATER LEVEL WILL LIKELY FALL BELOW FLOOD STAGE BY LATE THIS
  MORNING. 

$$
MS
586 
WGUS81 KCTP 181106
FLSCTP
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
706 AM EDT MON APR 18 2011

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...

  SUSQUEHANNA RIVER AT MARIETTA
  SWATARA CREEK NEAR HERSHEY

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN 
PENNSYLVANIA...

  CONODOGUINET CREEK NEAR HOGESTOWN
  YELLOW BREECHES CREEK NEAR CAMP HILL
  SWATARA CREEK AT MIDDLETOWN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...NEVER DRIVE CARS THROUGH FLOODED AREAS!!  THE WATER 
MAY BE TOO DEEP TO ALLOW SAFE PASSAGE.  MOST DEATHS THAT OCCUR DURING
FLOODING ARE RELATED TO VEHICLES TRYING TO CROSS FLOODED ROADWAYS.

AN UPDATE TO THIS PRODUCT WILL BE ISSUED LATE THIS MORNING.

&&

PAC041-133-182306-
/O.CON.KCTP.FL.W.0036.000000T0000Z-110419T1400Z/
/CPHP1.3.ER.110416T2331Z.110417T1315Z.110419T0800Z.NO/
706 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE YELLOW BREECHES CREEK NEAR CAMP HILL.
* AT 7 AM MONDAY THE ESTIMATED STAGE WAS 8.9 FEET AND FALLING.
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE WATER LEVEL WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY
  EARLY TUESDAY MORNING.
* AT 9.0 FEET...A NUMBER OF HOMES IN THE GREEN LANE FARMS DEVELOPMENT
  ARE AFFECTED BY HIGH WATER.  CEDAR CLIFF DRIVE ON THE LEFT BANK 
  UPSTREAM FROM THE BRIDGE IS INUNDATED. CREEKWOOD DRIVE HAS SEVERAL 
  FEET OF WATER ON IT, AND WATER IS APPROACHING HOMES.

$$

PAC041-182306-
/O.CON.KCTP.FL.W.0035.000000T0000Z-110419T1800Z/
/HGSP1.1.ER.110417T0339Z.110418T1200Z.110419T1200Z.NO/
706 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE CONODOGUINET CREEK NEAR HOGESTOWN.
* AT 6 AM MONDAY THE STAGE WAS 9.7 FEET AND FALLING.
* FLOOD STAGE IS 8.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE CREEK WILL CREST NEAR 9.7 FEET BY THIS MORNING. THE WATER
  LEVEL WILL FALL BELOW FLOOD STAGE TUESDAY MORNING.
* AT 10.0 FEET...SOME RESIDENCES IN THE VICINITY OF ERB'S BRIDGE 
  ROAD...PROWELL ROAD...STONE SPRING LANE...AND OYSTER MILL ROAD ARE 
  FLOODED.

$$

PAC071-133-181136-
/O.CAN.KCTP.FL.W.0043.000000T0000Z-110419T0000Z/
/MRTP1.3.ER.110418T0730Z.110418T0800Z.000000T0000Z.NR/
706 AM EDT MON APR 18 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE SUSQUEHANNA RIVER AT MARIETTA.
* AT 6 AM MONDAY THE STAGE WAS 48.4 FEET AND FALLING SLIGHTLY.
* FLOOD STAGE IS 49.0 FEET.
* THE RIVER WILL CREST JUST BELOW FLOOD STAGE AT 48.6 FEET BY THIS 
  AFTERNOON.
* AT 49.0 FEET...FRONT STREET IN WRIGHTSVILLE FLOODS. LOW LYING AREAS
  OF ROUTE 624 ON THE RIGHT...OR WEST BANK AND ALONG ROUTE 441 ON THE
  LEFT...OR EAST BANK ARE ALSO AFFECTED. RIVERSIDE RECREATION AREA IS
  ALSO INUNDATED.

$$

PAC043-075-181136-
/O.CAN.KCTP.FL.W.0041.000000T0000Z-110418T1600Z/
/HERP1.1.ER.110417T0237Z.110417T2315Z.110418T0955Z.NO/
706 AM EDT MON APR 18 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE SWATARA CREEK NEAR HERSHEY.
* AT 7 AM MONDAY THE STAGE WAS 6.7 FEET AND FALLING.
* THE CREEK FELL BELOW FLOOD STAGE AT 6 AM MONDAY.
* FLOOD STAGE IS 7.0 FEET.
* THE WATER LEVEL WILL CONTINUE FALLING TO 4.4 FEET BY EARLY
  WEDNESDAY MORNING.
* AT 7.0 FEET...THE RIGHT...OR NORTH BANK BEGINS TO OVERFLOW.  
  SEVERAL ROADWAYS UPSTREAM OF THE GAGE ARE AFFECTED BY HIGH WATER.

$$

PAC043-182305-
/O.CON.KCTP.FL.W.0042.000000T0000Z-000000T0000Z/
/MIDP1.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.UU/
706 AM EDT MON APR 18 2011

THE FLOOD WARNING CONTINUES FOR
  THE SWATARA CREEK AT MIDDLETOWN.
* AT 7 AM THE ESTIMATED STAGE WAS 11.2 FEET AND FALLING. 
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS FORECAST.
* THE WATER LEVEL WILL LIKELY FALL BELOW FLOOD STAGE LATE THIS
  MORNING.


$$

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this river flood warning went out at Apr 17, 10:56 AM EDT, 1 hour 32 minutes earlier.

Area forecast discussion, Apr 17, 10:56 AM EDT, 1 hour 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1056 AM EDT SUN APR 17 2011

.SYNOPSIS...

A SECONDARY COLD FRONT WILL MOVE THROUGH THE AREA DURING THE MID
TO LATE MORNING HOURS. WINDY AND COOL CONDITIONS WILL FOLLOW IN
ITS WAKE. THIS SAME FRONT WILL STALL OUT JUST TO OUR SOUTH TONIGHT
AND MONDAY...KEEPING US UNSETTLED RIGHT INTO MIDWEEK. MUCH MILDER
AIR...AND A STRONG COLD FRONT COULD FUEL SOME STRONG THUNDERSTORMS
WEDNESDAY. FAIR WEATHER WITH NEAR NORMAL TEMPERATURES WILL FOLLOW
FOR LATE IN THE COMING WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...

COOL NW FLOW REGIME HAS ALLOWED FOR THE DEVELOPMENT OF A PRETTY
EXTENSIVE STRATO-CU SHIELD...MORE REMINISCENT OF THE WINTER
MONTHS RATHER THAN EARLY SPRING. RADAR SHOWS SCATTERED
SPRINKLES...BUT I DON'T EXPECT MUCH BEYOND A STRAY FAST MOVING
LIGHT SHOWER IN A FEW SPOTS...MAINLY OVER WESTERN HIGH TERRAIN
INTO EARLY AFTERNOON.

AS THE MAIN UPPER LOW SWINGS INTO EASTERN CANADA JUST NORTH OF THE
ST LAWRENCE...A VERY COLD POCKET OF AIR ALOFT WILL MOVE OVER PA
RESULTING IN A MARKED STEEPENING OF THE LOW-MID LEVEL LAPSE RATES.
THAT IN COMBINATION OF THE HIGH APRIL SUN IS EXPECTED TO BE ENOUGH
TO TRIGGER AT LEAST SOME SCATTERED SHOWERS...AND POSSIBLY EVEN A
STRONGER LOW TOPPED THUNDERSTORMS WITH SMALL HAIL AS MID LEVEL
LAPSE RATES APPROACH 8C/KM AND TOTAL TOTALS APPROACH 60.

DEEP MIXING WILL SUPPORT WESTERLY WINDS OF 15-25 MPH WITH OCNL
GUSTS OVER 45 MPH...ESPECIALLY ON THE RIDGES. NAM BUFKIT MOMENTUM
TRANSFER INDICATES GUSTS OVER 60 MPH...BUT THAT WOULD BE FACTORING
IN PURE TRANSPORT OF THE 60-70 KT WEST WINDS AOA 8 KFT AGL WHICH
DOESN'T SEEM LIKELY.

WIND ADVISORY COVERS ALL COUNTIES THROUGH 00Z MONDAY.

AFTERNOON HIGH TEMPS WILL RANGE FROM THE MID 40S IN THE NW...TO
AROUND 60F IN THE SE...OR ABOUT 3-6F BELOW NORMAL.

&&

.SHORT TERM /MONDAY/...
THE SECONDARY COLD FRONT WILL STALL OUT NEAR...OR JUST TO THE
SOUTH OF THE MASON DIXON LINE LATE TONIGHT THROUGH MONDAY AS THE
STRONG SFC LOW /THAT BROUGHT SUNDAY'S WIND...HEAVY RAIN...AND SRN
PENN SVR TSRA/ LIFTS QUICKLY NE THROUGH QUEBEC.

SFC-850 MB RIDGE WILL LIFT NE FROM THE TENNESSEE VALLEY TONIGHT
AND EARLY MONDAY FOLLOWED BY INCREASING DEEP LAYERED SWRLY FLOW
ABOVE THE AFOREMENTIONED QUASI STNRY FRONT.

THICKENING CLOUDS...AND HIGHLY CONVERGENCE LLVL FLOW ACROSS PENN
WILL DEVELOP DURING THIS PERIOD WITH AREAL COVERAGE OF SHOWERS
EXPANDING DURING THE DAY MONDAY AS AN AREA OF UVVEL /ASSOCIATED
WITH THE FAVORABLE LEFT EXIT REGION OF A 110 TO 120 UPPER JET/
PUSHES EAST FROM THE OHIO VALLEY. THE MAIN FOCUS FOR THE SHOWERS
/OR EVEN A PERIOD OR TWO OF STEADIER RAIN/ WILL BE ACROSS THE NW
HALF OF PENN MONDAY AFTERNOON.

&&

.LONG TERM /MONDAY NIGHT THROUGH SATURDAY/...
LIFTING LONG WAVE TROF WILL LEAVE ZONAL FLOW ACROSS THE CONUS IN
ITS WAKE BY EARLY NEXT WEEK. UPR TROF IS FORECAST TO  DROP INTO
THE PLAINS BY MID WEEK...LEADING TO RISING HEIGHTS OVER THE
MID ATLC REGION DURING THE MIDWEEK. AFOREMENTIONED TROF IS FCST TO
LIFT THRU THE REGION THUR INTO FRI WITH ANOTHER SHOT OF SIG PCPN.
A SHORT PD OF DRY WEATHER WILL MOVE ACROSS THE REGION LATE IN THE
WEEK BEFORE ANOTHER SYSTEM MOVES THROUGH THE NORTHERN STREAM
TOWARD PA FOR NEXT WEEKEND.

EXPECT A WELL-DEFINED WARM FRONT TO SLOWLY DRIFT NORTH ACROSS THE
CWA MONDAY NIGHT THROUGH TUESDAY NIGHT...POSSIBLY STALLING OUT ACROSS
NRN PENN FOR AWHILE.

THE WARM FRONT WILL LIFT FURTHER TO THE NORTH AND INTO NEW YORK
STATE ON LATE TUESDAY OR WED. THERE IS SOME NORTH TO SOUTH
VARIATION IN POSITION OF WARM FRONT AND SHOWER ACTIVITY BASED ON
THE LATEST OPERATIONAL GUIDANCE AND ENSEMBLES. HOWEVER...THE BEST
CHC FOR SHOWERS /OR AGAIN...A FEW PERIODS OF STEADY LIGHT TO MDT
RAIN/ WILL BE ACROSS CENTRAL AND NRN PENN MON NIGHT THROUGH
TUESDAY NIGHT. MONDAYS HIGH TEMPS WILL BE COMPARABLE TO
SUNDAYS. TUESDAY LOOKS TO BE 5-10F WARMER ACROSS THE SOUTH AS
RIDGE SHARPENS AHEAD OF APPROACHING SYSTEM...AND THE SFC WARM
FRONT LIFTS TO NEAR I-80 OR FURTHER NORTH. HIGH TEMPS ACROSS
NORTHERN AREAS OF THE CWA TUESDAY WILL BE TRIMMED BY UP TO SEVERAL
DEG...WHERE THICKER CLOUDS AND PERIODS OF SHOWERS WILL OCCUR.

WED WE'LL BE IN THE WARM SECTOR...AND LOOKS TO BE WARMEST DAY OF THE
WEEK AS WARM FRONTAL BOUNDARY FINALLY SLIDES NORTH OF PA WHILE
ASSOCIATED LOW PRESSURE SYSTEM MOVES FROM THE OHIO VALLEY INTO THE
GREAT LAKES. TEMPS SHOULD EASILY REACH THE 60S/70S /NEARLY 15F ABOVE
NORMAL/ BEFORE COLD FRONT PUSHES EAST THROUGH THE STATE BRINGING SCT
/POSSIBLY STRONG TO SVR/ THUNDERSTORMS LATER WED AFTERNOON INTO WED
NIGHT.

THE FRONTAL BOUNDARY WILL MOVE WELL TO THE EAST ON THU AS SECONDARY
TROUGH APPROACHES...BRINGING ABOUT A 10F COOL DOWN THU FOLLOWED BY
ANOTHER 5-10F COOL DOWN FOR FRI AS COLD AIR FILTERS IN.

HIGH PRESSURE OVER THE MIDWEST ON THURSDAY WILL BUILD EAST ACROSS
PENN THURSDAY NIGHT AND EARLY FRIDAY. COOLEST TEMPS OF THE WEEK
AHEAD WILL OCCUR UNDER THIS HIGH...WITH CLEAR TO PARTLY CLOUDY SKIES
AND LIGHT WIND THURSDAY NIGHT. GEFS 2 METER TEMPS ARE IN THE 25 TO
30F RANGE AT BRADFORD...LOWER TO MID 30S THROUGHOUT CENTRAL
PENN...AND IN THE MID TO UPPER 30S ACROSS SOUTH.

CLOUDS QUICKLY INCREASE FROM THE WEST DURING THE DAY FRIDAY AS THE
BUBBLE OF HIGH PRESSURE EXITS OFF THE NEW JERSEY COAST. CLOSE
PROXIMITY OF A WARM FRONT /EXTENDING EAST FROM THE MID MISS VALLEY/
AS PRECIP INITIALLY FALLING INTO THE COOL/STABLE AIRMASS COULD LEAD
TO MAX TEMPS WELL BELOW NORMAL FRO THE DAY. FRIDAY'S HIGHS COULD BE
IN THE MID TO UPPER 40S IN MANY LOCATIONS. ACROSS THE NW ZONES...THE
COMBINATION OF THE EARLIER ONSET AND  HIGHER PRECIP AMTS...COMBINED
WITH ITS LOCATION MOST LIKELY NORTH OF THE WARM FRONT...WILL LIKELY
LEAD TO THE GREATEST TEMP DEPARTURE FROM NORMAL.

&&

.AVIATION /15Z SUNDAY THROUGH THURSDAY/...
NO SIGNIFICANT CHANGES TO 06Z TAFS.

POST-FRONTAL WLY FLOW PATTERN WILL PERSIST THROUGH THE PERIOD AS
DEEP LAYERED LOW PIVOTS OVR THE UPPER GLKS AND ROTATES NEWD INTO
QUEBEC. COLD AIR ALOFT ASSOC WITH THE UL TROUGH WILL SUPPORT OCNL
TERRAIN ENHANCED RAIN/SNOW SHOWERS MAINLY OVR WRN SXNS. TIGHT
PRESSURE GRADIENT COMBINED WITH STEEP LAPSE RATES AND VERY FAST
WINDS ALOFT WILL SUPPORT FREQUENT 30-40KT GUSTS THIS AFTN. MVFR
CIGS IN THE WEST BCMG VFR. VFR PREVAILING EAST OF THE MTNS OVR
CENTRAL AND ERN SXNS. GUSTY WINDS WILL SUBSIDE AFT 00Z AS WEAK
AREA OF HIGH PRES SLIDES EWD FROM THE MIDWEST.

A NEARLY STATIONARY FRONTAL ZONE EXTENDING EWD FROM LOW PRESSURE
OVR THE PLAINS WILL KEEP UNSETTLED WEATHER IN THE FCST THROUGH
EARLY NEXT WEEK. A STRONG FRONT IS FCST TO CROSS THE REGION
WED/THUR.

OUTLOOK...

MON-TUE...RESTRICTIONS POSSIBLE WITH PERIODS OF RAIN.
WED-THUR...STRONG FROPA. GUSTY WINDS/TSTORMS POSSIBLE.

&&

.HYDROLOGY...
FLOODING WILL CONTINUE ALONG THE LOWER SUSQ TRIBS AND SMALL
STREAMS AND CREEKS IN THE JUNIATA BASIN. SHARP RISES CAN EXPECTED
ALONG THE LOWER MAIN STEM OVER THE NEXT 24 TO 48 HOURS.

THERE IS A GAGE MALFUNCTION AT WILLIAMSBURG WITH NO CURRENT DATA
SINCE ABOUT 0000 UTC ON 4/16. THE USGS IS EXPECTED TO REPAIR THE
GAGE ON MONDAY.

&&

.CLIMATE...
RAINFALL OF 3.46 INCHES MEASURED AT THE HARRISBURG AIRPORT IN
MIDDLETOWN YESTERDAY ESTABLISHED A NEW RECORD. THE PREVIOUS RECORD
WAS 1.84 SET IN 1929. A CONTINUOUS WEATHER RECORD HAS BEEN KEPT AT
HARRISBURG SINCE 1888.

RAINFALL OF 2.55 INCHES MEASURED AT WILLIAMSPORT YESTERDAY
ESTABLISHED A NEW RECORD FOR APRIL 16TH. THE PREVIOUS RECORD OF
1.94 WAS SET IN 1986. A CONTINUOUS WEATHER RECORD HAS BEEN KEPT AT
WILLIAMSPORT SINCE 1895.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
WIND ADVISORY UNTIL 8 PM EDT THIS EVENING FOR PAZ012-018-019-
025>027-034-035-037-041-042-045-046.
WIND ADVISORY UNTIL 8 PM EDT THIS EVENING FOR PAZ004>006-010-
011-017-024-033.
WIND ADVISORY UNTIL 8 PM EDT THIS EVENING FOR PAZ028-036-
049>053-056>059-063>066.

&&

SYNOPSIS...LA CORTE/LAMBERT
NEAR TERM...LA CORTE/LAMBERT
SHORT TERM...LAMBERT
LONG TERM...LAMBERT
AVIATION...STEINBUGL
HYDROLOGY...LA CORTE
CLIMATE...LA CORTE
Hazardous weather outlook, Apr 17, 3:54 AM EDT, 8 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
354 AM EDT SUN APR 17 2011

PAZ012-018-019-025>027-034-035-037-041-042-045-046-180800-
NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON-
MIFFLIN-BEDFORD-FULTON-TIOGA-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN CLINTON-SOUTHERN LYCOMING-
354 AM EDT SUN APR 17 2011

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO
WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE
INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

A STRONG COLD FRONT WILL PUSH EAST ACROSS THE REGION WEDNESDAY
AFTERNOON AND EVENING. SCATTERED STRONG TO SEVERE THUNDERSTORMS
ARE POSSIBLE ALONG AND AHEAD OF THIS FRONT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO RELAY REPORTS OF STRONG WIND GUSTS OR
WIND DAMAGE TO THE NATIONAL WEATHER SERVICE IN STATE COLLEGE.

PAZ004>006-010-011-017-024-033-180800-
WARREN-MCKEAN-POTTER-ELK-CAMERON-CLEARFIELD-CAMBRIA-SOMERSET-
354 AM EDT SUN APR 17 2011

...WIND ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO
WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE
INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

A STRONG COLD FRONT WILL PUSH EAST ACROSS THE REGION WEDNESDAY
AFTERNOON AND EVENING. SCATTERED STRONG TO SEVERE THUNDERSTORMS
ARE POSSIBLE ALONG AND AHEAD OF THIS FRONT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO RELAY REPORTS OF STRONG WIND GUSTS OR
WIND DAMAGE TO THE NATIONAL WEATHER SERVICE IN STATE COLLEGE.

PAZ028-036-049>053-056>059-063>066-180800-
JUNIATA-FRANKLIN-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-
DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER-
354 AM EDT SUN APR 17 2011

...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO
WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE
INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

A STRONG COLD FRONT WILL PUSH EAST ACROSS THE REGION WEDNESDAY
AFTERNOON AND EVENING. SCATTERED STRONG TO SEVERE THUNDERSTORMS
ARE POSSIBLE ALONG AND AHEAD OF THIS FRONT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO RELAY REPORTS OF STRONG WIND GUSTS OR
WIND DAMAGE TO THE NATIONAL WEATHER SERVICE IN STATE COLLEGE.

LAMBERT

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 8:02 PM EDTSpecial Weather StatementCTPColumbia, Lebanon, Schuylkill58 min
Apr 16, 8:05 PM EDTTornado WarningCTPAdams, York25 min
Apr 16, 8:25 PM EDTSevere Thunderstorm WarningCTPDauphin, Lancaster, Lebanon, York65 min
Apr 16, 8:29 PM EDTTornado WarningCTPLancaster, York31 min
Apr 16, 8:51 PM EDTSevere Thunderstorm WarningCTPSchuylkill44 min
Apr 16, 9:40 PM EDTWind AdvisoryCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more22 hr
Apr 16, 10:02 PM EDTRiver Flood WarningCTPBlair, Huntingdon12 hr
Apr 16, 10:02 PM EDTRiver Flood WarningCTPBlair, Huntingdon3 hr
Apr 16, 10:02 PM EDTRiver Flood WarningCTPDauphin, Lebanon, Schuylkill28 hr
Apr 16, 10:02 PM EDTRiver Flood WarningCTPDauphin, Lebanon33 hr
Apr 16, 10:13 PM EDTFlash Flood WarningCTPAdams2 hr
Apr 17, 12:24 AM EDTRiver Flood WarningCTPDauphin38 hr

Nearby

River Flood Warnings in Pennsylvania, 2011Every river flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.