Alert archive / Pennsylvania / River Flood Warnings in 2024

River Flood Warning 2, NWS State College, PA

January 9, 2024Perry County, Pennsylvania

NWS State College, PA issued this river flood warning at Jan 9, 2024, 10:27 PM EST for Perry County, Pennsylvania. It took effect at Jan 10, 2024, 12:00 AM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Jan 9, 2024, 10:27 PM EST (03:27 UTC)
In effect from: Jan 10, 2024, 12:00 AM EST
Expired: Jan 10, 2024, 1:55 PM EST
In force: 14 hr
Issued by: NWS State College, PA
Area: Storm-based polygon
Flood severity: Minor

County Perry County, PA

The radar

The State College radar (KCCX), 86 km from the middle of the area, began a volume at 03:30 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 Sherman Creek at Shermans Dale (SMDP1).

Action stage: 5 ft
Minor stage: 9 ft
Moderate stage: 11 ft
Major stage: 16 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01568000, 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 Jan 9, 7:58 PM EST, 2 hours 29 minutes earlier.

Area forecast discussion, Jan 9, 7:58 PM EST, 2 hours 29 minutes before

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Hazardous weather outlook, Jan 9, 9:07 PM EST, 1 hour 20 minutes before

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In the hours before

Local storm report, Jan 9, 9:33 PM EST, 54 minutes before

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Local storm report, Jan 9, 9:45 PM EST, 42 minutes before

Preliminary Local Storm Report
National Weather Service State College PA
945 PM EST Tue Jan 9 2024

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

0935 PM     Rain             Elizabethville          40.55N 76.81W
01/09/2024  M2.15 inch       Dauphin            PA   Trained Spotter

            Storm total rainfall report via social
            media.

&&

NPB

Local storm report, Jan 9, 9:48 PM EST, 39 minutes before

Preliminary Local Storm Report
National Weather Service State College PA
948 PM EST Tue Jan 9 2024

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

0944 PM     Rain             1 NNE Montandon         40.98N 76.85W
01/09/2024  M1.51 inch       Northumberland     PA   Trained Spotter

            Report includes liquid equivalent from snow.

&&

NPB

Local storm report, Jan 9, 10:13 PM EST, 14 minutes before

Preliminary Local Storm Report
National Weather Service State College PA
1013 PM EST Tue Jan 9 2024

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

0530 PM     Rain             1 NE Breezewood         40.01N 78.23W
01/09/2024  M1.41 inch       Bedford            PA   Trained Spotter

&&

NPB

Local storm report, Jan 9, 10:14 PM EST, 13 minutes before

Preliminary Local Storm Report
National Weather Service State College PA
1014 PM EST Tue Jan 9 2024

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

0851 PM     Rain             4 ESE Mercersburg       39.81N 77.82W
01/09/2024  M2.53 inch       Franklin           PA   Trained Spotter

            Report includes liquid equivalent from snow.

&&

NPB

Local storm report, Jan 9, 10:17 PM EST, 10 minutes before

Preliminary Local Storm Report
National Weather Service State College PA
1017 PM EST Tue Jan 9 2024

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

0930 PM     Rain             2 WNW Paradise          40.02N 76.16W
01/09/2024  M1.75 inch       Lancaster          PA   Public

&&

NPB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 9, 7:03 PM EST	Areal Flood Advisory	CTP	Montour, Northumberland	4 hr
Jan 9, 8:35 PM EST	Areal Flood Warning	CTP	Adams, Cumberland, Franklin	6 hr
Jan 9, 8:35 PM EST	River Flood Warning	CTP	Cumberland, York	31 hr
Jan 9, 9:27 PM EST	Areal Flood Warning	CTP	Dauphin, Lancaster, Lebanon, Perry, Schuylkill, York	7 hr
Jan 9, 10:27 PM EST	River Flood Warning	CTP	Lebanon, Schuylkill	30 hr
Jan 9, 10:27 PM EST	River Flood Warning	CTP	Dauphin, Lebanon	36 hr
Jan 9, 10:52 PM EST	Areal Flood Advisory	CTP	Columbia, Juniata, Lycoming, Montour, Northumberland, Schuylkill and 3 more	4 hr
Jan 10, 1:11 AM EST	River Flood Warning	CTP	Huntingdon	20 hr
Jan 10, 3:06 AM EST	River Flood Warning	CTP	Cumberland	37 hr
Jan 10, 3:40 AM EST	High Wind Warning	CTP	Bedford, Blair	14 hr
Jan 10, 3:55 AM EST	Winter Weather Advisory	CTP	Cambria, Somerset	14 hr
Jan 10, 7:49 AM EST	River Flood Warning	CTP	Lancaster	9 hr

Nearby

River Flood Warnings in Pennsylvania, 2024 Every river flood warning in 2024

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.