Alert archive / Pennsylvania / River Flood Warnings in 2011
River Flood Warning 56, NWS State College, PA
NWS State College, PA issued this river flood warning at Apr 28, 2011, 12:52 PM EDT for Lycoming County, Pennsylvania. It took effect at Apr 28, 2011, 4:00 PM EDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Apr 28, 2011, 12:52 PM EDT (16:52 UTC)
- In effect from
- Apr 28, 2011, 4:00 PM EDT
- Expired
- Apr 29, 2011, 3:51 AM EDT
- In force
- 12 hr
- Issued by
- NWS State College, PA
- Flood severity
- Minor
County Lycoming County, PA
The radar
The State College radar (KCCX), 92 km from the middle of the area, began a volume at 16:53 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 West Branch Susquehanna River at Williamsport (WILP1). The gauge peaked at 20.26 ft at Apr 28, 2011, 7:00 PM EDT.
- Action stage
- 10 ft
- Minor stage
- 20 ft
- Moderate stage
- 21 ft
- Major stage
- 30 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01551500, 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.
889 WGUS41 KCTP 281652 FLWCTP BULLETIN - IMMEDIATE BROADCAST REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE, PA 1252 PM EDT THU APR 28 2011 ...THE NATIONAL WEATHER SERVICE IN STATE COLLEGE, PA HAS ISSUED A FLOOD WARNING FOR THE FOLLOWING RIVERS IN PENNSYLVANIA... WEST BRANCH SUSQUEHANNA AT WILLIAMSPORT 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 AFTERNOON. && PAC081-290452- /O.NEW.KCTP.FL.W.0056.110428T2000Z-110429T1520Z/ /WILP1.1.ER.110428T2000Z.110429T0500Z.110429T0920Z.NO/ 1252 PM EDT THU APR 28 2011 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE, PA HAS ISSUED A * FLOOD WARNING FOR THE WEST BRANCH SUSQUEHANNA AT WILLIAMSPORT * FROM THIS AFTERNOON TO FRIDAY MORNING...OR UNTIL THE WARNING IS CANCELLED. * AT 1 PM THURSDAY THE STAGE WAS...18.8 FEET. * FLOOD STAGE IS 20.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND CREST NEAR 20.6 FEET BY AFTER MIDNIGHT TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE BY EARLY TOMORROW MORNING. * AT 21.0 FEET...A NUMBER OF RESIDENCES AND ROADS IN THE AREA OUTSIDE THE LEVEE SYSTEM ARE AFFECTED. $$
3 follow-up statements
370 WGUS81 KCTP 281926 FLSCTP FLOOD STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE, PA 326 PM EDT THU APR 28 2011 ...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN PENNSYLVANIA... WEST BRANCH SUSQUEHANNA AT WILLIAMSPORT WEST BRANCH SUSQUEHANNA AT MUNCY WEST BRANCH SUSQUEHANNA AT MONTGOMERY WEST BRANCH SUSQUEHANNA AT MILTON WEST BRANCH SUSQUEHANNA AT LEWISBURG SUSQUEHANNA RIVER AT BLOOMSBURG SUSQUEHANNA RIVER AT DANVILLE SUSQUEHANNA RIVER NEAR SUNBURY SUSQUEHANNA RIVER AT HARRISBURG SUSQUEHANNA RIVER AT MARIETTA ...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING CREEKS IN PENNSYLVANIA... BALD EAGLE CREEK NEAR BEECH CREEK STATION AUGHWICK CREEK AT SHIRLEYSBURG YELLOW BREECHES CREEK NEAR CAMP HILL PRECAUTIONARY/PREPAREDNESS ACTIONS... SAFETY MESSAGE...NEVER DRIVE CARS THROUGH FLOODED AREAS!! THE WATER MAY BE TOO DEEP TO ALLOW SAFE PASSAGE. MOST DEATHS THAT OCCUR DURING FLOODING ARE RELATED TO VEHICLES TRYING TO CROSS FLOODED ROADWAYS. AN UPDATE TO THIS PRODUCT WILL BE ISSUED LATER THIS EVENING. && PAC081-290726- /O.CON.KCTP.FL.W.0056.110428T2000Z-110429T1520Z/ /WILP1.1.ER.110428T2000Z.110429T0400Z.110429T0920Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT WILLIAMSPORT. * UNTIL FRIDAY MORNING...OR UNTIL THE WARNING IS CANCELLED. * AT 3 PM THURSDAY THE STAGE WAS 19.8 FEET AND RISING. * FLOOD STAGE IS 20.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND CREST NEAR 20.6 FEET BY AFTER MIDNIGHT TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE BY EARLY TOMORROW MORNING. * AT 21.0 FEET...A NUMBER OF RESIDENCES AND ROADS IN THE AREA OUTSIDE THE LEVEE SYSTEM ARE AFFECTED. $$ PAC081-290726- /O.CON.KCTP.FL.W.0045.000000T0000Z-000000T0000Z/ /MCYP1.2.ER.000000T0000Z.110429T0100Z.000000T0000Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT MUNCY. * FLOOD STAGE IS 20.0 FEET. * MODERATE FLOODING IS FORECAST. * THE RIVER IS FORECAST TO CREST NEAR 22.5 FEET TONIGHT. * AT 23.0 FEET...THE SPROUT BAUER PLANT IS AFFECTED BY HIGH WATER. $$ PAC081-097-119-290726- /O.CON.KCTP.FL.W.0046.000000T0000Z-000000T0000Z/ /MTGP1.1.ER.110428T1755Z.110429T0300Z.000000T0000Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT MONTGOMERY. * AT 3 PM THURSDAY THE STAGE WAS 20.5 FEET AND RISING. * FLOOD STAGE IS 20.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 22.5 FEET BY TONIGHT THEN BEGIN FALLING. * AT 22.0 FEET...SOUTH MAIN STREET AND ELLIS PARKWAY ARE FLOODED. $$ PAC097-119-290726- /O.EXT.KCTP.FL.W.0047.000000T0000Z-110430T0210Z/ /ILTP1.1.ER.110428T2100Z.110429T0600Z.110429T2010Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT MILTON. * AT 3 PM THURSDAY THE STAGE WAS 18.7 FEET AND RISING. * FLOOD STAGE IS 19.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND CREST NEAR 20.8 FEET BY AFTER MIDNIGHT TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE BY TOMORROW AFTERNOON. * AT 21.0 FEET...RIVER ROAD IN WEST MILTON FLOODS. LOW LYING AREAS IN MILTON ARE INUNDATED. $$ PAC097-119-290725- /O.EXT.KCTP.FL.W.0048.000000T0000Z-110430T0200Z/ /LWBP1.1.ER.110428T1858Z.110429T0600Z.110429T2000Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT LEWISBURG. * AT 3 PM THURSDAY THE STAGE WAS 17.9 FEET AND RISING. * FLOOD STAGE IS 18.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE BY THIS AFTERNOON AND CREST NEAR 20.0 FEET BY AFTER MIDNIGHT TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE BY TOMORROW AFTERNOON. * AT 21.0 FEET...THE LEFT...OR EAST BANK EXPERIENCES SUBSTANTIAL OVERFLOW. $$ PAC037-290725- /O.EXT.KCTP.FL.W.0044.000000T0000Z-110501T0152Z/ /BMBP1.2.ER.110428T1403Z.110430T0000Z.110430T1952Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER AT BLOOMSBURG. * AT 3 PM THURSDAY THE STAGE WAS 19.8 FEET AND RISING. * FLOOD STAGE IS 19.0 FEET. * MODERATE FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 23.5 FEET BY TOMORROW EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY AFTERNOON. * AT 24.0 FEET...MUCH OF THE FAIRGROUNDS...AS WELL AS ADJACENT AREAS...ARE AFFECTED BY HIGH WATER. HIGH WATER ALSO BEGINS TO AFFECT THE RUNWAY AT THE AIRPORT. $$ PAC037-093-097-290725- /O.EXT.KCTP.FL.W.0049.110428T1912Z-110501T0313Z/ /DANP1.2.ER.110428T1638Z.110430T0000Z.110430T2113Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER AT DANVILLE. * THROUGH SATURDAY EVENING...OR UNTIL THE WARNING IS CANCELLED. * AT 2 PM THURSDAY THE STAGE WAS 20.3 FEET AND RISING. * FLOOD STAGE IS 20.0 FEET. * MODERATE FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 23.6 FEET BY TOMORROW EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY AFTERNOON. * AT 24.0 FEET...INUNDATION IN RIVERSIDE ON THE LEFT BANK OF THE RIVER BEGINS TO AFFECT RESIDENCES. $$ PAC043-067-097-099-119-290725- /O.EXT.KCTP.FL.W.0052.110428T2100Z-110430T1905Z/ /SBYP1.2.ER.110428T2100Z.110429T1800Z.110430T1305Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER NEAR SUNBURY. * UNTIL SATURDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED. * AT 3 PM THURSDAY THE STAGE WAS 23.8 FEET AND RISING. * FLOOD STAGE IS 24.0 FEET. * MODERATE FLOODING IS FORECAST. * THE RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND CREST NEAR 26.0 FEET BY EARLY AFTERNOON TOMORROW. THE RIVER WILL FALL BELOW FLOOD STAGE BY LATE SATURDAY MORNING. * AT 26.0 FEET...HIGH WATER AFFECTS A NUMBER OF HOMES AND BUSINESSES IN AREAS NOT PROTECTED BY THE FLOOD WALL AND LEVEE SYSTEM. $$ PAC041-043-067-071-097-099-109-133-290725- /O.EXT.KCTP.FL.W.0053.110429T0300Z-110501T0300Z/ /HARP1.1.ER.110429T0300Z.110430T0000Z.110430T2100Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER AT HARRISBURG. * FROM THIS EVENING TO SATURDAY EVENING...OR UNTIL THE WARNING IS CANCELLED. * AT 3 PM THURSDAY THE STAGE WAS 15.8 FEET AND RISING. * FLOOD STAGE IS 17.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER IS FORECAST TO RISE ABOVE FLOOD STAGE BY TONIGHT AND CREST NEAR 19.5 FEET BY TOMORROW EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE BY SATURDAY AFTERNOON. * AT 19.0 FEET...A NUMBER OF HOMES IN WEST FAIRVIEW...DAUPHIN...AND HARRISBURG FLOOD. $$ PAC071-133-290725- /O.EXT.KCTP.FL.W.0054.110428T2200Z-110501T1236Z/ /MRTP1.1.ER.110428T2200Z.110430T0600Z.110501T0636Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER AT MARIETTA. * UNTIL SUNDAY MORNING...OR UNTIL THE WARNING IS CANCELLED. * AT 3 PM THURSDAY 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 THIS EVENING AND CREST NEAR 51.4 FEET BY EARLY SATURDAY MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE BY EARLY SUNDAY MORNING. * AT 52.0 FEET...A NUMBER OF RESIDENCES IN THE WRIGHTSVILLE AND COLUMBIA AREAS BEGIN TO BE AFFECTED. $$ PAC041-133-290725- /O.EXT.KCTP.FL.W.0051.000000T0000Z-110430T0700Z/ /CPHP1.2.ER.110428T1158Z.110428T2100Z.110430T0100Z.UU/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE YELLOW BREECHES CREEK NEAR CAMP HILL. * AT 3 PM THURSDAY THE STAGE WAS 10.1 FEET AND FALLING. * FLOOD STAGE IS 7.0 FEET. * MODERATE FLOODING IS FORECAST. * THE CREEK WILL CREST NEAR 10.6 FEET BY LATE THIS AFTERNOON. THE CREEK WILL FALL BELOW FLOOD STAGE LATE EVENING TOMORROW. * AT 11.0 FEET...A NUMBER OF HOMES ALONG THE ENTIRE LENGTH OF YELLOW BREECHES CREEK ARE AFFECTED BY HIGH WATER. $$ PAC035-290725- /O.EXT.KCTP.FL.W.0050.000000T0000Z-110429T0900Z/ /BECP1.3.ER.110428T1051Z.110428T1530Z.110429T0300Z.NR/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE BALD EAGLE CREEK NEAR BEECH CREEK STATION. * AT 3 PM THURSDAY THE STAGE WAS 12.0 FEET AND FALLING. * FLOOD STAGE IS 11.0 FEET. * MINOR FLOODING IS FORECAST. * THE CREEK WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY TONIGHT. * AT 13.0 FEET...HOMES IN THE COTTAGE AREA ARE ISOLATED BY HIGH WATER FROM BALD EAGLE CREEK. $$ PAC061-290725- /O.EXT.KCTP.FL.W.0055.110428T2000Z-110429T1600Z/ /SLYP1.1.ER.110428T2000Z.110429T0400Z.110429T1000Z.NO/ 326 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE AUGHWICK CREEK AT SHIRLEYSBURG. * UNTIL FRIDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED. * AT 3 PM THURSDAY THE STAGE WAS 9.9 FEET AND RISING. * FLOOD STAGE IS 10.0 FEET. * MINOR FLOODING IS FORECAST. * THE CREEK IS FORECAST TO RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND CREST NEAR 10.6 FEET BY AFTER MIDNIGHT TONIGHT. THE CREEK WILL FALL BELOW FLOOD STAGE BY TOMORROW MORNING. * AT 10.0 FEET...THE AUGHWICK CREEK AT SHIRLEYSBURG EXCEEDS ITS BANKS. SEVERAL HOMES ARE AFFECTED. $$ EVANEGO
279 WGUS81 KCTP 290149 FLSCTP FLOOD STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE, PA 949 PM EDT THU APR 28 2011 ...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN PENNSYLVANIA... WEST BRANCH SUSQUEHANNA AT WILLIAMSPORT WEST BRANCH SUSQUEHANNA AT MUNCY WEST BRANCH SUSQUEHANNA AT MONTGOMERY WEST BRANCH SUSQUEHANNA AT MILTON WEST BRANCH SUSQUEHANNA AT LEWISBURG SUSQUEHANNA RIVER AT BLOOMSBURG SUSQUEHANNA RIVER AT DANVILLE SUSQUEHANNA RIVER NEAR SUNBURY SUSQUEHANNA RIVER AT HARRISBURG SUSQUEHANNA RIVER AT MARIETTA ...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING CREEKS IN PENNSYLVANIA... BALD EAGLE CREEK NEAR BEECH CREEK STATION YELLOW BREECHES CREEK NEAR CAMP HILL SWATARA CREEK AT HARPER TAVERN 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 TONIGHT. && PAC081-290900- /O.EXT.KCTP.FL.W.0056.000000T0000Z-110429T0900Z/ /WILP1.1.ER.110428T1957Z.110428T2245Z.110429T0300Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT WILLIAMSPORT. * AT 9 PM THURSDAY THE STAGE WAS 20.1 FEET AND FALLING. * FLOOD STAGE IS 20.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER WILL CONTINUE FALLING TO BELOW FLOOD STAGE OVERNIGHT. * AT 20.0 FEET...HIGH WATER AFFECTS A FEW HOMES AND SOME ROADWAYS IN AREAS NOT PROTECTED BY THE LEVEE SYSTEM. THE CAMPING AREA WEST OF WILLIAMSPORT IS SIGNIFICANTLY AFFECTED. $$ PAC081-291349- /O.CON.KCTP.FL.W.0045.000000T0000Z-000000T0000Z/ /MCYP1.2.ER.000000T0000Z.110429T0200Z.000000T0000Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT MUNCY. * FLOOD STAGE IS 20.0 FEET. * MODERATE FLOODING IS FORECAST. * AT 22.0 FEET...A NUMBER OF HOMES ARE FLOODED. ROUTE 405 IS AFFECTED BETWEEN MUNCY AND MONTGOMERY. $$ PAC081-097-119-291349- /O.CON.KCTP.FL.W.0046.000000T0000Z-000000T0000Z/ /MTGP1.1.ER.110428T1755Z.110429T0300Z.000000T0000Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT MONTGOMERY. * AT 9 PM THURSDAY THE STAGE WAS 22.1 FEET AND STEADY. * FLOOD STAGE IS 20.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 22.4 FEET OVERNIGHT THEN BEGIN FALLING. * AT 22.0 FEET...SOUTH MAIN STREET AND ELLIS PARKWAY ARE FLOODED. $$ PAC097-119-291349- /O.EXT.KCTP.FL.W.0047.000000T0000Z-110430T0300Z/ /ILTP1.1.ER.110428T1943Z.110429T0600Z.110429T2100Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT MILTON. * AT 9 PM THURSDAY THE STAGE WAS 20.5 FEET AND RISING. * FLOOD STAGE IS 19.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 21.5 FEET AFTER MIDNIGHT TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE TOMORROW AFTERNOON. * AT 22.0 FEET...HOMES ON SOUTH WATER STREET IN MILTON ARE FLOODED. $$ PAC097-119-291349- /O.EXT.KCTP.FL.W.0048.000000T0000Z-110430T0100Z/ /LWBP1.1.ER.110428T1853Z.110429T0600Z.110429T1900Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE WEST BRANCH SUSQUEHANNA AT LEWISBURG. * AT 9 PM THURSDAY THE STAGE WAS 19.6 FEET AND FALLING. * FLOOD STAGE IS 18.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 20.1 FEET AFTER MIDNIGHT TONIGHT. THE RIVER WILL FALL BELOW FLOOD STAGE TOMORROW AFTERNOON. * AT 21.0 FEET...THE LEFT...OR EAST BANK EXPERIENCES SUBSTANTIAL OVERFLOW. $$ PAC037-291348- /O.EXT.KCTP.FL.W.0044.000000T0000Z-110430T2300Z/ /BMBP1.2.ER.110428T1403Z.110429T1800Z.110430T1700Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER AT BLOOMSBURG. * AT 10 PM THURSDAY THE STAGE WAS 20.6 FEET AND RISING. * FLOOD STAGE IS 19.0 FEET. * MODERATE FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 23.3 FEET BY EARLY AFTERNOON TOMORROW. THE RIVER WILL FALL BELOW FLOOD STAGE EARLY SATURDAY AFTERNOON. * AT 24.0 FEET...MUCH OF THE FAIRGROUNDS...AS WELL AS ADJACENT AREAS...ARE AFFECTED BY HIGH WATER. HIGH WATER ALSO BEGINS TO AFFECT THE RUNWAY AT THE AIRPORT. $$ PAC037-093-097-291348- /O.EXT.KCTP.FL.W.0049.000000T0000Z-110430T2300Z/ /DANP1.2.ER.110428T1638Z.110430T0000Z.110430T1700Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER AT DANVILLE. * AT 9 PM THURSDAY THE STAGE WAS 21.0 FEET AND RISING. * FLOOD STAGE IS 20.0 FEET. * MODERATE FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 23.0 FEET BY TOMORROW EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE EARLY SATURDAY AFTERNOON. * AT 23.0 FEET...FLOODING OCCURS AT THE STATE HOSPITAL GROUNDS ON THE EAST SIDE OF TOWN. BACKWATER PRODUCES FLOODING ON SECHLER RUN IN THE CENTER OF TOWN. $$ PAC043-067-097-099-119-291348- /O.EXT.KCTP.FL.W.0052.000000T0000Z-110430T1300Z/ /SBYP1.1.ER.110428T1952Z.110429T1800Z.110430T0700Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER NEAR SUNBURY. * AT 9 PM THURSDAY THE STAGE WAS 24.8 FEET AND RISING. * FLOOD STAGE IS 24.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 25.9 FEET BY EARLY AFTERNOON TOMORROW. THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY MORNING. * AT 26.0 FEET...HIGH WATER AFFECTS A NUMBER OF HOMES AND BUSINESSES IN AREAS NOT PROTECTED BY THE FLOOD WALL AND LEVEE SYSTEM. $$ PAC041-043-067-071-097-099-109-133-291348- /O.EXT.KCTP.FL.W.0053.110429T0141Z-110430T2136Z/ /HARP1.1.ER.110429T0100Z.110429T2000Z.110430T1536Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER AT HARRISBURG. * FROM THIS EVENING TO SATURDAY AFTERNOON...OR UNTIL THE WARNING IS CANCELLED. * AT 10 PM THURSDAY THE STAGE WAS 17.1 FEET AND RISING. * FLOOD STAGE IS 17.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 19.2 FEET BY TOMORROW AFTERNOON. THE RIVER WILL FALL BELOW FLOOD STAGE LATE SATURDAY MORNING. * AT 19.0 FEET...A NUMBER OF HOMES IN WEST FAIRVIEW...DAUPHIN...AND HARRISBURG FLOOD. $$ PAC071-133-291348- /O.EXT.KCTP.FL.W.0054.000000T0000Z-110501T0900Z/ /MRTP1.1.ER.110428T2111Z.110430T0000Z.110501T0300Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER AT MARIETTA. * AT 9 PM THURSDAY THE STAGE WAS 49.9 FEET AND RISING. * FLOOD STAGE IS 49.0 FEET. * MINOR FLOODING IS FORECAST. * THE RIVER WILL CREST NEAR 51.7 FEET BY TOMORROW EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE SATURDAY BEFORE MIDNIGHT. * AT 52.0 FEET...A NUMBER OF RESIDENCES IN THE WRIGHTSVILLE AND COLUMBIA AREAS BEGIN TO BE AFFECTED. $$ PAC041-133-291348- /O.EXT.KCTP.FL.W.0051.000000T0000Z-110429T2100Z/ /CPHP1.2.ER.110428T1158Z.110428T2115Z.110429T1500Z.UU/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE YELLOW BREECHES CREEK NEAR CAMP HILL. * AT 10 PM THURSDAY THE STAGE WAS 9.1 FEET AND FALLING. * FLOOD STAGE IS 7.0 FEET. * MINOR FLOODING IS FORECAST. * THE CREEK WILL CONTINUE FALLING TO BELOW FLOOD STAGE BY LATE MORNING TOMORROW. * 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. $$ PAC035-291300- /O.EXT.KCTP.FL.W.0050.000000T0000Z-110429T1300Z/ /BECP1.3.ER.110428T1051Z.110428T1530Z.110429T0700Z.NR/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE BALD EAGLE CREEK NEAR BEECH CREEK STATION. * AT 9 PM THURSDAY THE STAGE WAS 11.6 FEET AND FALLING. * FLOOD STAGE IS 11.0 FEET. * MINOR FLOODING IS FORECAST. * THE CREEK WILL CONTINUE FALLING TO BELOW FLOOD STAGE EARLY TOMORROW MORNING. * AT 11.0 FEET...HIGH WATER LEVELS THREATEN THE COTTAGE AREA OF MILL HALL DOWNSTREAM OF BEECH CREEK STATION. $$ PAC043-075-107-291348- /O.EXT.KCTP.FL.W.0057.000000T0000Z-110429T1400Z/ /HTVP1.1.ER.110428T2256Z.110429T0500Z.110429T0800Z.NO/ 949 PM EDT THU APR 28 2011 THE FLOOD WARNING CONTINUES FOR THE SWATARA CREEK AT HARPER TAVERN. * AT 9 PM THURSDAY THE STAGE WAS 9.2 FEET AND STEADY. * FLOOD STAGE IS 9.0 FEET. * MINOR FLOODING IS FORECAST. * THE CREEK WILL CREST NEAR 9.5 FEET AFTER MIDNIGHT TONIGHT. THE CREEK WILL FALL BELOW FLOOD STAGE EARLY TOMORROW MORNING. * AT 10.0 FEET...HIGH WATER ISOLATES SEVERAL HOUSES. $$ EVANEGO
405 WGUS81 KCTP 290751 FLSCTP FLOOD STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE, PA 351 AM EDT FRI APR 29 2011 ...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN PENNSYLVANIA... WEST BRANCH SUSQUEHANNA AT WILLIAMSPORT PRECAUTIONARY/PREPAREDNESS ACTIONS... SAFETY MESSAGE...NEVER DRIVE CARS THROUGH FLOODED AREAS!! THE WATER MAY BE TOO DEEP TO ALLOW SAFE PASSAGE. MOST DEATHS THAT OCCUR DURING FLOODING ARE RELATED TO VEHICLES TRYING TO CROSS FLOODED ROADWAYS. && PAC081-290821- /O.CAN.KCTP.FL.W.0056.000000T0000Z-110429T0900Z/ /WILP1.1.ER.110428T1957Z.110428T2245Z.110429T0238Z.NO/ 351 AM EDT FRI APR 29 2011 THE FLOOD WARNING IS CANCELLED FOR THE WEST BRANCH SUSQUEHANNA AT WILLIAMSPORT. * AT 4 AM FRIDAY THE STAGE WAS 19.3 FEET AND FALLING. * THE RIVER FELL BELOW FLOOD STAGE AT 11 PM THURSDAY. * FLOOD STAGE IS 20.0 FEET. * THE RIVER WILL CONTINUE FALLING TO 11.1 FEET BY SUNDAY MORNING. * AT 20.0 FEET...HIGH WATER AFFECTS A FEW HOMES AND SOME ROADWAYS IN AREAS NOT PROTECTED BY THE LEVEE SYSTEM. THE CAMPING AREA WEST OF WILLIAMSPORT IS SIGNIFICANTLY AFFECTED. $$
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 28, 11:31 AM EDT, 1 hour 21 minutes earlier.
Area forecast discussion, Apr 28, 11:31 AM EDT, 1 hour 21 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 1131 AM EDT THU APR 28 2011 .SYNOPSIS... A COLD FRONT WILL PUSH EAST ACROSS THE REGION TODAY...FOLLOWED BY WINDY AND LESS HUMID CONDITIONS. FAIR AND COOLER CONDITIONS WILL PERSIST INTO EARLY SUNDAY AS A RIDGE OF HIGH PRESSURE SLIDES EAST ACROSS THE STATE. A SLOW MOVING FRONTAL BOUNDARY WILL MOVE INTO THE REGION LATE SUNDAY AND MAY LINGER WITH CLOUDY AND SHOWERY WEATHER INTO THE MIDDLE OF NEXT WEEK. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... THE LAST GASP OF THE LONG-LIVED...SEVERE WEATHER EVENT IS CURRENTLY EXITING OUR EXTREME SE ZONES. A COLD FRONT PUSHING EAST ACROSS CENTRAL PENN WILL USHER IN SHARPLY DRIER DEWPOINTS WITH A GUSTY WSW WIND. THE LEADING EDGE OF THE STRONGEST MID LEVEL COLD ADVECTION WAS PUSHING ACROSS THE ALLEGHENY PLATEAU OF WRN PENN ATTM...HELPING TO PRODUCE A WIDE BAND OF RELATIVELY SHALLOW OVC STRATO CU. A SEVERAL HOUR OF AT LEAST PARTIAL CLEARING WILL FOLLOW FOR LATE THIS AFTERNOON/EVENING BEFORE A MORE EXTENSIVE DECK OF DEEPER/LAYERED CLOUDS DRIFTS ESE INTO THE REGION ASSOCIATED WITH A POTENT UPPER TROUGH. THE WIND ADVISORY IN EFFECT THROUGH 16Z FOR THE WRN MTNS WILL BE ALLOWED TO EXPIRE AS THE AREA OF VERY LARGE PRESSURE RISES OF 12MB/3 HR SHOOTS NE ACROSS THE PENINSULA OF SRN ONTARIO. THE AREAL...FLASH FLOOD WARNINGS HAVE BEEN ALLOWED TO EXPIRE LATE THIS MORNING AS THE EXTENSIVE CONVECTION HAS EXITED TO THE EAST OF THE CWA. HOWEVER...MANY STREAMS/CREEKS WILL CONTINUE TO STAY NEAR BANK-FULL /OR OUT OF THEIR BANKS/ THROUGH THE REST OF TODAY...WHILE THE SUSQ RIVER WILL SEE MINOR TO MDT FLOODING RIGHT INTO EARLY THIS WEEKEND. TEMPS FOR THE REST OF TODAY WILL BE STEADY OR SLOWLY FALLING FROM 15Z READINGS. && .SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/... TONIGHT...MINS DROP TO THE U30S AND M40S...WITH WINDS DECREASING TO LESS THAN 10 MPH OVER MOST OF THE AREA. FRI LOOKS LESS BREEZY AND SHRA STAY CONTAINED IN THE NWRN MTS. && .LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/... AFTER A NUMBER OF DAYS WITH SHOWERS AND THUNDERSTORMS THIS COMING WEEKEND LOOKS TO BE SUNNY AND DRY WITH SEASONABLE TEMPS. LATE SUNDAY NIGHT A WARM FRONT WILL BRING SHOWERS INTO WESTERN PA. GEFS SHOWS THIS FRONTAL BOUNDARY MOVING SLOWLY ACROSS THE STATE WITH LIGHT SHOWERS AND CLOUDY WEATHER THROUGH TUESDAY. THE 00Z ECMWF IS MUCH MORE AGGRESSIVE WITH THIS SYSTEM BY MIDWEEK AS THE PATTERN BECOMES NEGATIVELY TILTED. HAVE LEANED TOWARD THE MORE PROGRESSIVE SOLUTION WITH GENERALLY BELOW NORMAL TEMPS FOR THE BEGINNING OF NEXT WEEK AND CHANCE POPS. THERE IS SOME UNCERTAINTY WITH HOW FAST THIS FRONT WILL MOVE THROUGH THE AREA AND HOW MUCH RAIN WILL FALL. HOWEVER...AT THIS POINT IT LOOKS TO BE SLIGHTLY WETTER THAN NORMAL AND SLIGHTLY BELOW NORMAL TEMPS. && .AVIATION /15Z THURSDAY THROUGH MONDAY/... VFR CONDITIONS WILL CONTINUE ALONG WITH LLWS...THOUGH THE JET ALIGNMENT WILL SHIFT FROM SOUTHERLY TO SOUTHWESTERLY AT AROUND 50 KTS AT 850 MB...GRADUALLY DIMINISHING THROUGH THE AFTERNOON. SURFACE WINDS WILL BE GUSTY DURING THE DAY...ESPECIALLY IN THE WEST. QUIET NIGHT IN STORE...THOUGH MVFR CIGS MAY SLIP INTO KBFD OVERNIGHT AS THE INVERSION STRENGTHENS. OUTLOOK... FRI...SCTD MVFR CIGS EARLY NW...OTHERWISE VFR. SAT AND SAT NIGHT...NO SIG WX. SUN...VFR WITH CHANCE AFTERNOON SHOWERS. MON...VFR. && .CTP WATCHES/WARNINGS/ADVISORIES... WIND ADVISORY UNTIL NOON EDT TODAY FOR PAZ004>006-010-011-017- 024-033. && SYNOPSIS...DANGELO/LAMBERT NEAR TERM...LAMBERT SHORT TERM...DANGELO LONG TERM...KREKELER AVIATION...LAMBERT/RXR
Hazardous weather outlook, Apr 28, 10:48 AM EDT, 2 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 1048 AM EDT THU APR 28 2011 PAZ004>006-010-011-017-024-033-291500- WARREN-MCKEAN-POTTER-ELK-CAMERON-CLEARFIELD-CAMBRIA-SOMERSET- 1048 AM EDT THU APR 28 2011 ...WIND ADVISORY IN EFFECT UNTIL NOON EDT TODAY... 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...FRIDAY THROUGH WEDNESDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. PAZ012-018-019-025>028-034>037-041-042-045-046-049>053-056>059- 063>066-291500- NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-BLAIR-HUNTINGDON- MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING- SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND- ADAMS-YORK-LANCASTER- 1048 AM EDT THU APR 28 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. WATER LEVELS OF NUMEROUS SMALL STREAMS AND CREEKS WILL STAY NEAR... OR OVER BANK-FULL THROUGH TODAY THEN GRADUALLY RECEDE. THIS WATER WILL BE CHANNELED INTO THE SUSQUEHANNA RIVER WHICH WILL EXPERIENCE MINOR TO MODERATE FLOODING AT VARIOUS POINTS THIS AFTERNOON INTO EARLY THIS WEEKEND. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. LAMBERT
In the hours before
Local storm report, Apr 28, 11:12 AM EDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1112 AM EDT THU APR 28 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0530 AM TSTM WND DMG BIGLERVILLE 39.93N 77.25W
04/28/2011 ADAMS PA EMERGENCY MNGR
LARGE APPLE BINS DAMAGED BLOWN UPHILL...UTILITY POLE
AND TREES UPROOTED...WIRES DOWN.
&&
EVENT NUMBER CTP1100075
GADLocal storm report, Apr 28, 11:13 AM EDT, 1 hour 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1113 AM EDT THU APR 28 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0530 AM FLASH FLOOD BIGLERVILLE 39.93N 77.25W
04/28/2011 ADAMS PA EMERGENCY MNGR
SMALL STREAM FLOODING...WATER RESCUES...BASEMENTS
FLOODED...WATER FLOWING OVER BLOCKING ROADS
&&
EVENT NUMBER CTP1100076
GADSpecial weather statement, Apr 28, 11:15 AM EDT, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1115 AM EDT THU APR 28 2011
PAZ066-281530-
LANCASTER PA-
1115 AM EDT THU APR 28 2011
...A HEAVY SHOWER WITH STRONG WIND GUSTS WILL AFFECT SOUTHEASTERN
LANCASTER COUNTY...
AT 1109 AM EDT...A SHOWER WITH STRONG WIND GUSTS WAS NEAR DELTA...
MOVING NORTHEAST AT 50 MPH.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS SHOWER. THIS SHOWER WILL
BE NEAR WAKEFIELD AROUND 1120 AM AND CHRISTIANA AROUND 1130 AM.
THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 30...ROUTE 222...
STATE ROAD 41.
LAT...LON 3980 7630 4002 7599 3999 7596 3996 7599
3987 7598 3985 7601 3983 7601 3982 7603
3979 7604 3972 7610 3972 7624
FORECASTER: STEINBUGLLocal storm report, Apr 28, 11:37 AM EDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1137 AM EDT THU APR 28 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0556 AM FLASH FLOOD NEW CUMBERLAND 40.23N 76.88W
04/28/2011 CUMBERLAND PA EMERGENCY MNGR
ROAD CLOSURES DAMAGE...WATER RESCUES
&&
EVENT NUMBER CTP1100077
GADLocal storm report, Apr 28, 12:11 PM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1211 PM EDT THU APR 28 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0730 AM TSTM WND DMG 2 ENE CATAWISSA 40.96N 76.43W
04/28/2011 COLUMBIA PA EMERGENCY MNGR
NUMEROUS TREES DOWN
&&
EVENT NUMBER CTP1100078
GADLocal storm report, Apr 28, 12:12 PM EDT, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1212 PM EDT THU APR 28 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0307 AM TSTM WND DMG LEWISTOWN 40.60N 77.57W
04/28/2011 MIFFLIN PA 911 CALL CENTER
TREES DOWN ON ROUTE 22
&&
EVENT NUMBER CTP1100079
GADThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 8:09 PM EDT | Tornado Warning | CTP | Lycoming, Sullivan | 26 min |
| Apr 27, 8:22 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 53 min |
| Apr 27, 8:46 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan, Tioga | 44 min |
| Apr 27, 9:14 PM EDT | Special Weather Statement | CTP | York | 31 min |
| Apr 27, 9:32 PM EDT | Special Weather Statement | CTP | Sullivan | 28 min |
| Apr 27, 10:38 PM EDT | Special Weather Statement | CTP | Cambria | 37 min |
| Apr 27, 10:52 PM EDT | Special Weather Statement | CTP | Clearfield | 23 min |
| Apr 27, 11:09 PM EDT | Special Weather Statement | CTP | Clinton | 36 min |
| Apr 27, 11:19 PM EDT | Special Weather Statement | CTP | Cambria, Centre, Clearfield | 41 min |
| Apr 27, 11:25 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield, Clinton | 37 min |
| Apr 27, 11:59 PM EDT | Special Weather Statement | CTP | Clinton, Lycoming | 46 min |
| Apr 28, 12:14 AM EDT | Special Weather Statement | CTP | Cambria | 31 min |
| Apr 28, 12:19 AM EDT | Special Weather Statement | CTP | Centre, Clinton | 41 min |
| Apr 28, 12:26 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 64 min |
| Apr 28, 12:33 AM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 57 min |
| Apr 28, 12:44 AM EDT | Special Weather Statement | CTP | Centre | 31 min |
| Apr 28, 1:02 AM EDT | Special Weather Statement | CTP | Lycoming | 43 min |
| Apr 28, 1:21 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Huntingdon, Mifflin | 39 min |
| Apr 28, 1:29 AM EDT | Special Weather Statement | CTP | Clinton | 31 min |
| Apr 28, 1:35 AM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 25 min |
| Apr 28, 1:42 AM EDT | Flash Flood Warning | CTP | Cameron, Clinton, Lycoming, Potter, Sullivan, Tioga | 4 hr |
| Apr 28, 1:42 AM EDT | Special Weather Statement | CTP | Fulton | 33 min |
| Apr 28, 1:44 AM EDT | Flash Flood Warning | CTP | Bedford, Blair, Cambria, Fulton, Huntingdon, Somerset | 4 hr |
| Apr 28, 1:58 AM EDT | Special Weather Statement | CTP | Clinton | 47 min |
| Apr 28, 2:03 AM EDT | Special Weather Statement | CTP | Mifflin | 42 min |
| Apr 28, 2:19 AM EDT | Special Weather Statement | CTP | Huntingdon | 41 min |
| Apr 28, 2:26 AM EDT | Special Weather Statement | CTP | Franklin | 34 min |
| Apr 28, 2:30 AM EDT | Special Weather Statement | CTP | Clinton | 30 min |
| Apr 28, 2:42 AM EDT | Special Weather Statement | CTP | Clinton | 33 min |
| Apr 28, 2:52 AM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Cumberland, Franklin, Juniata, Mifflin and 3 more | 53 min |
| Apr 28, 2:55 AM EDT | Areal Flood Advisory | CTP | Centre, Franklin, Juniata, Mifflin, Perry, Snyder and 1 more | 3 hr |
| Apr 28, 3:02 AM EDT | Flash Flood Warning | CTP | Centre | 3 hr |
| Apr 28, 3:03 AM EDT | Special Weather Statement | CTP | Lycoming, Tioga | 42 min |
| Apr 28, 3:11 AM EDT | Special Weather Statement | CTP | Adams, Franklin | 34 min |
| Apr 28, 3:34 AM EDT | Flash Flood Warning | CTP | Franklin | 3 hr |
| Apr 28, 3:37 AM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Dauphin, Juniata, Lycoming, Montour and 4 more | 38 min |
| Apr 28, 3:39 AM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Montour, Northumberland, York | 3 hr |
| Apr 28, 3:41 AM EDT | Special Weather Statement | CTP | Lycoming | 34 min |
| Apr 28, 3:46 AM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 1 more | 44 min |
| Apr 28, 4:00 AM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Lycoming, Montour, Northumberland, Schuylkill and 1 more | 60 min |
| Apr 28, 4:12 AM EDT | River Flood Warning | CTP | Lycoming | 41 hr |
| Apr 28, 4:12 AM EDT | River Flood Warning | CTP | Lycoming, Northumberland, Union | 35 hr |
| Apr 28, 4:12 AM EDT | River Flood Warning | CTP | Northumberland, Union | 41 hr |
| Apr 28, 4:12 AM EDT | River Flood Warning | CTP | Northumberland, Union | 41 hr |
| Apr 28, 4:12 AM EDT | River Flood Warning | CTP | Columbia, Montour, Northumberland | 65 hr |
| Apr 28, 4:25 AM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Dauphin, Perry, York | 7 hr |
| Apr 28, 4:28 AM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill and 1 more | 47 min |
| Apr 28, 5:14 AM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, York | 46 min |
| Apr 28, 5:35 AM EDT | Tornado Warning | CTP | Adams, Cumberland, York | 25 min |
| Apr 28, 5:49 AM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 56 min |
| Apr 28, 6:13 AM EDT | Flash Flood Warning | CTP | Lebanon, Schuylkill | 4 hr |
| Apr 28, 6:32 AM EDT | Wind Advisory | CTP | Cambria, Cameron, Clearfield, Elk, McKean, Potter and 2 more | 5 hr |
| Apr 28, 6:47 AM EDT | Areal Flood Advisory | CTP | Columbia, Franklin, Fulton, Huntingdon, Juniata, Lycoming and 7 more | 3 hr |
| Apr 28, 6:53 AM EDT | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 37 min |
| Apr 28, 7:11 AM EDT | Special Weather Statement | CTP | Columbia, Montour, Northumberland, Sullivan | 49 min |
| Apr 28, 7:41 AM EDT | River Flood Warning | CTP | Clinton | 20 hr |
| Apr 28, 7:50 AM EDT | Special Weather Statement | CTP | Dauphin | 25 min |
| Apr 28, 7:54 AM EDT | Special Weather Statement | CTP | Lebanon, York | 36 min |
| Apr 28, 7:59 AM EDT | Special Weather Statement | CTP | York | 46 min |
| Apr 28, 8:04 AM EDT | Special Weather Statement | CTP | Adams | 26 min |
| Apr 28, 8:07 AM EDT | River Flood Warning | CTP | Cumberland, York | 24 hr |
| Apr 28, 8:17 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 58 min |
| Apr 28, 8:21 AM EDT | Tornado Warning | CTP | York | 24 min |
| Apr 28, 8:44 AM EDT | Tornado Warning | CTP | Lancaster, York | 14 min |
| Apr 28, 8:54 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 66 min |
| Apr 28, 9:30 AM EDT | Tornado Warning | CTP | Lancaster, York | 15 min |
| Apr 28, 9:58 AM EDT | Tornado Warning | CTP | York | 21 min |
| Apr 28, 10:03 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 27 min |
| Apr 28, 10:13 AM EDT | Tornado Warning | CTP | Lancaster, York | 32 min |
| Apr 28, 10:26 AM EDT | River Flood Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Union | 45 hr |
| Apr 28, 10:26 AM EDT | River Flood Warning | CTP | Cumberland, Dauphin, Juniata, Lancaster, Northumberland, Perry and 2 more | 48 hr |
| Apr 28, 10:26 AM EDT | River Flood Warning | CTP | Lancaster, York | 63 hr |
| Apr 28, 10:26 AM EDT | River Flood Warning | CTP | Huntingdon | 11 hr |
| Apr 28, 10:35 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 10 min |
| Apr 28, 10:49 AM EDT | Special Weather Statement | CTP | Lancaster | 26 min |
| Apr 28, 11:15 AM EDT | Special Weather Statement | CTP | Lancaster | 15 min |
| Apr 28, 5:55 PM EDT | River Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 10 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.