Alert archive / Pennsylvania / River Flood Warnings in 2018

River Flood Warning 37, NWS State College, PA

August 3, 2018Blair County, Huntingdon County, Pennsylvania

NWS State College, PA issued this river flood warning at Aug 3, 2018, 6:51 PM EDT for Blair County, Huntingdon County, Pennsylvania. It took effect at Aug 3, 2018, 7:25 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Aug 3, 2018, 6:51 PM EDT (22:51 UTC)
In effect from: Aug 3, 2018, 7:25 PM EDT
Expired: Aug 4, 2018, 3:45 AM EDT
In force: 8 hr
Issued by: NWS State College, PA
Area: Storm-based polygon
Flood severity: Minor

Counties Blair County, PA, Huntingdon County, PA

The radar

The State College radar (KCCX), 54 km from the middle of the area, began a volume at 22:55 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 Frankstown Branch Juniata River at Williamsburg (WIBP1). The gauge peaked at 12.54 ft at Aug 3, 2018, 11:00 PM EDT.

Action stage: 9 ft
Minor stage: 12 ft
Moderate stage: 13 ft
Major stage: 15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01556000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

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 Aug 3, 4:26 PM EDT, 2 hours 25 minutes earlier.

Area forecast discussion, Aug 3, 4:26 PM EDT, 2 hours 25 minutes before

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Hazardous weather outlook, Aug 3, 6:33 PM EDT, 18 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
633 PM EDT Fri Aug 3 2018

PAZ004>006-010-011-017-042245-
Warren-McKean-Potter-Elk-Cameron-Clearfield-
633 PM EDT Fri Aug 3 2018

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ012-018-019-024>027-033>035-037-041-045-042245-
Northern Clinton-Northern Centre-Southern Centre-Cambria-Blair-
Huntingdon-Mifflin-Somerset-Bedford-Fulton-Tioga-Northern Lycoming-
Southern Clinton-
633 PM EDT Fri Aug 3 2018

...FLASH FLOOD WATCH IN EFFECT UNTIL 10 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Flash Flood Watch.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ028-036-042-046-049>053-056>059-063>066-042245-
Juniata-Franklin-Sullivan-Southern Lycoming-Union-Snyder-Montour-
Northumberland-Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-
Adams-York-Lancaster-
633 PM EDT Fri Aug 3 2018

...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY MORNING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Flash Flood Watch.

In addition, strong to severe thunderstorms with gusty winds are
possible in a few spots this evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Flash Flood Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Aug 3, 1:48 PM EDT, 5 hours 3 minutes before

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Special weather statement, Aug 3, 1:57 PM EDT, 4 hours 54 minutes before

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Special weather statement, Aug 3, 2:34 PM EDT, 4 hours 17 minutes before

Special Weather Statement
National Weather Service State College PA
234 PM EDT FRI AUG 3 2018

PAZ046-049-052-031900-
Southern Lycoming PA-Union PA-Northumberland PA-
234 PM EDT FRI AUG 3 2018

...SPECIAL WEATHER STATEMENT FOR PARTS OF NORTHUMBERLAND AND UNION
COUNTIES UNTIL 300 PM EDT...

At 232 PM EDT, Doppler radar indicated a shower over Spruce Run
Reservoir, moving northeast at 25 mph. While no lightning has yet
been detected with this shower, some lighting may develop over the
next 30 minutes.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Milton, Lewisburg, Mifflinburg, Watsontown, Linntown, New Columbia,
Montandon, Allenwood, Vicksburg, Elimsport, Spruce Run Reservoir,
Forest Hill, Sand Bridge State Park, Delaware Run, West Milton,
Turbotville, McEwensville and Bucknell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Minor flooding may develop. Do not drive into water covering the
roadway.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4109 7674 4102 7677 4098 7680 4096 7687
      4090 7701 4096 7709 4110 7709 4114 7702
      4116 7691 4117 7673
TIME...MOT...LOC 1832Z 212DEG 20KT 4099 7699

Jung

Local storm report, Aug 3, 3:32 PM EDT, 3 hours 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
332 PM EDT FRI AUG 03 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0331 PM     HEAVY RAIN       NWS STATE COLLEGE       40.83N  77.85W
08/03/2018  M3.27 INCH       CENTRE             PA   NWS OFFICE

            24-HOUR RAINFALL. SINCE MIDNIGHT

&&

EVENT NUMBER CTP1802086

JRB

Special weather statement, Aug 3, 3:40 PM EDT, 3 hours 11 minutes before

Special Weather Statement
National Weather Service State College PA
340 PM EDT FRI AUG 3 2018

PAZ046-049-051-052-032015-
Southern Lycoming PA-Union PA-Northumberland PA-Montour PA-
340 PM EDT FRI AUG 3 2018

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF NORTHUMBERLAND...
LYCOMING...MONTOUR...AND UNION COUNTIES UNTIL 415 PM EDT...

At 340 PM EDT, Doppler radar indicated a strong thunderstorm over
Spruce Run Reservoir, moving northeast at 25 mph.

Winds in excess of 40 mph are possible.

Locations impacted include...
Milton, Lewisburg, Mifflinburg, Muncy, Watsontown, Montgomery,
Linntown, New Columbia, Allenwood, Vicksburg, Spruce Run Reservoir,
Exchange, Forest Hill, Sand Bridge State Park, Delaware Run, West
Milton, Turbotville and McEwensville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4109 7663 4090 7702 4102 7710 4127 7683
TIME...MOT...LOC 1940Z 228DEG 20KT 4103 7701

Evanego

Local storm report, Aug 3, 5:15 PM EDT, 1 hour 36 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE STATE COLLEGE PA
515 PM EDT FRI AUG 03 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0945 AM     FLASH FLOOD      ALTOONA                 40.51N  78.40W
08/03/2018                   BLAIR              PA   TRAINED SPOTTER

            WATER FLOWING INTO HOUSES AND ACROSS ROADS BETWEEN 13TH
            AND 15TH STREETS IN ALTOONA. ROADS INCLUDE PLEASANT
            VALLEY BLVD AND ADAMS AVENUE ALONG BRUSH RUN.

1029 AM     FLASH FLOOD      DUSHORE                 41.53N  76.40W
08/03/2018                   SULLIVAN           PA   PEMA

            NUMEROUS REPORTS OF WATER AND DEBRIS ACROSS ROADWAYS
            INCLUDING JULIA STREET, WORLDS END ROAD IN FORKS
            TOWNSHIP, AND ROUTE 220 IN DUSHORE BOROUGH.

1101 AM     FLASH FLOOD      1 ENE WADDLE            40.84N  77.92W
08/03/2018                   CENTRE             PA   911 CALL CENTER

            FLOODING ON BUFFALO RUN RD

1109 AM     FLASH FLOOD      BARBOURS                41.40N  76.78W
08/03/2018                   LYCOMING           PA   911 CALL CENTER

            LOWER BARBOURS RD CLOSED ALONG THE LOYALSCOCK CREEK.
            MANY ADDITIONAL ROADS CLOSED ALONG LOYALSOCK CREEK INTO
            SULLIVAN COUNTY.

1112 AM     FLASH FLOOD      STATE COLLEGE           40.79N  77.86W
08/03/2018                   CENTRE             PA   911 CALL CENTER

            NUMEROUS ROADS CLOSED IN THE STATE COLLEGE AREA
            INCLUDING ROCK ROAD, BENNER PIKE BY SHEETZ, AND E
            COLLEGE AVENUE BY YBC.

1200 PM     FLASH FLOOD      STATE COLLEGE           40.79N  77.86W
08/03/2018                   CENTRE             PA   911 CALL CENTER

            ROADWAY FLOODED AT FOX HOLLOW RD NEAR TOFTREES.

0114 PM     FLASH FLOOD      MILESBURG               40.94N  77.79W
08/03/2018                   CENTRE             PA   911 CALL CENTER

            NUMEROUS SIDE STREETS FLOODED IN MILESBURG

0115 PM     FLASH FLOOD      PORT MATILDA            40.80N  78.05W
08/03/2018                   CENTRE             PA   911 CALL CENTER

            FLOODING ACROSS ROADWAY ON SOUTH EAGLE VALLEY RD

0445 PM     FLOOD            MILL HALL               41.10N  77.49W
08/03/2018                   CLINTON            PA   911 CALL CENTER

            APPROXIMATELY 20 ROAD CLOSURES ALONG THE ROUTE 150
            CORRIDOR IN SOUTHERN CLINTON COUNTY. SOME ROADS IMPACTED
            INCLUDE ROUTE 150, BALD EAGLE MOUNTAIN ROAD, KEYSTONE
            CENTRAL ROAD AND SUGAR RUN ROAD.

&&

EVENT NUMBER CTP1802075 CTP1802074 CTP1802083 CTP1802076 CTP1802077
CTP1802082 CTP1802081 CTP1802080 CTP1802087

EVANEGO

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 10:31 PM EDT	Areal Flood Advisory	CTP	Bedford, Somerset	119 min
Aug 3, 12:25 AM EDT	Areal Flood Advisory	CTP	Cambria, Somerset	3 hr
Aug 3, 1:52 AM EDT	Areal Flood Advisory	CTP	Centre, Cumberland, Franklin, Fulton, Huntingdon, Juniata and 5 more	3 hr
Aug 3, 3:19 AM EDT	Areal Flood Advisory	CTP	Centre, Clinton, Columbia, Lycoming, Montour, Northumberland and 2 more	3 hr
Aug 3, 4:16 AM EDT	Flash Flood Warning	CTP	Centre, Huntingdon	3 hr
Aug 3, 6:26 AM EDT	Areal Flood Advisory	CTP	Clinton, Columbia, Lycoming, Montour, Northumberland, Sullivan and 2 more	3 hr
Aug 3, 6:45 AM EDT	Areal Flood Warning	CTP	Centre	3 hr
Aug 3, 7:24 AM EDT	River Flood Warning	CTP	Centre, Clinton	4 hr
Aug 3, 8:11 AM EDT	Areal Flood Advisory	CTP	Bedford, Blair, Cambria	3 hr
Aug 3, 8:21 AM EDT	Flash Flood Warning	CTP	Lycoming, Sullivan	6 hr
Aug 3, 9:05 AM EDT	Flash Flood Warning	CTP	Bedford, Blair	3 hr
Aug 3, 9:16 AM EDT	Areal Flood Advisory	CTP	Bedford, Somerset	3 hr
Aug 3, 9:49 AM EDT	Flash Flood Warning	CTP	Centre, Huntingdon	3 hr
Aug 3, 11:25 AM EDT	Areal Flood Advisory	CTP	Centre, Clinton, Lycoming	3 hr
Aug 3, 12:24 PM EDT	Areal Flood Advisory	CTP	Lycoming, Northumberland, Snyder, Union	3 hr
Aug 3, 12:43 PM EDT	Areal Flood Warning	CTP	Centre	3 hr
Aug 3, 1:38 PM EDT	River Flood Warning	CTP	Centre, Clinton	16 hr
Aug 3, 1:43 PM EDT	Areal Flood Advisory	CTP	Lycoming, Tioga	3 hr
Aug 3, 1:57 PM EDT	Special Weather Statement	CTP	Columbia	33 min
Aug 3, 2:19 PM EDT	Areal Flood Warning	CTP	Lycoming, Sullivan	3 hr
Aug 3, 2:34 PM EDT	Special Weather Statement	CTP	Union	26 min
Aug 3, 2:45 PM EDT	Areal Flood Advisory	CTP	Clinton	2 hr
Aug 3, 3:40 PM EDT	Special Weather Statement	CTP	Union	35 min
Aug 3, 3:44 PM EDT	Areal Flood Advisory	CTP	Centre	3 hr
Aug 3, 4:50 PM EDT	Areal Flood Advisory	CTP	Clinton	3 hr
Aug 3, 5:05 PM EDT	Areal Flood Advisory	CTP	Columbia, Montour	115 min
Aug 3, 5:31 PM EDT	Areal Flood Advisory	CTP	Lycoming, Sullivan	119 min
Aug 3, 7:03 PM EDT	Areal Flood Advisory	CTP	Lancaster, York	117 min
Aug 3, 7:37 PM EDT	Areal Flood Advisory	CTP	Lebanon	113 min
Aug 3, 7:47 PM EDT	Areal Flood Advisory	CTP	Clinton	118 min

Nearby

River Flood Warnings in Pennsylvania, 2018 Every river flood warning in 2018

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.