Alert archive / Pennsylvania / River Flood Warnings in 2020

River Flood Warning 1, NWS State College, PA

March 28, 2020Blair County, Huntingdon County, Pennsylvania

NWS State College, PA issued this river flood warning at Mar 28, 2020, 10:33 PM EDT for Blair County, Huntingdon County, Pennsylvania. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Mar 28, 2020, 10:33 PM EDT (02:33 UTC)
Expired: Mar 29, 2020, 4:34 AM EDT
In force: 6 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 02:35 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 Little Juniata River at Spruce Creek (SPKP1). The gauge peaked at 8.18 ft at Mar 28, 2020, 11:00 PM EDT.

Action stage: 6 ft
Minor stage: 8 ft
Moderate stage: 10 ft
Major stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01558000, 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 Mar 28, 10:21 PM EDT, 12 minutes earlier.

Area forecast discussion, Mar 28, 10:21 PM EDT, 12 minutes before

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Hazardous weather outlook, Mar 28, 10:07 PM EDT, 26 minutes before

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In the hours before

Special weather statement, Mar 28, 5:12 PM EDT, 5 hours 21 minutes before

Special Weather Statement
National Weather Service State College PA
512 PM EDT Sat Mar 28 2020

PAZ017-282145-
Clearfield PA-
512 PM EDT Sat Mar 28 2020

...SPECIAL WEATHER STATEMENT...

At 512 PM EDT, Doppler radar indicated strong thunderstorms near
Rockton, moving east at 50 mph.

Pea size hail is possible with these storms.

Locations impacted include...
DuBois, Clearfield, Sandy, Woodland, Curwensville, Hyde,
Plymptonville, Rockton, Lecontes Mills, S.B. Elliot State Park,
Morrisdale, West Decatur, Grampian, Kylertown, Wallaceton,
Troutville, Lumber City and Clearfield-Lawrence Airport.

LAT...LON 4111 7880 4120 7819 4093 7817 4092 7818
      4094 7880
TIME...MOT...LOC 2112Z 262DEG 69KT 4101 7873

Evanego

Special weather statement, Mar 28, 5:20 PM EDT, 5 hours 13 minutes before

Special Weather Statement
National Weather Service State College PA
520 PM EDT Sat Mar 28 2020

PAZ024-033-282145-
Somerset PA-Cambria PA-
520 PM EDT Sat Mar 28 2020

...STRONG THUNDERSTORMS WILL AFFECT PARTS OF SOMERSET AND CAMBRIA
COUNTIES UNTIL 545 PM EDT...

At 520 PM EDT, Doppler radar indicated strong thunderstorms along a
line extending from near Black Lick to 8 miles west of Westmont to 8
miles south of Lawson Heights. Movement was east at 45 mph.

Wind gusts of 40 mph and pea size hail are possible.

Locations impacted include...
Johnstown, Somerset, Westmont, Windber, Belmont, Portage, Geistown,
Southmont, Friedens, Vinco, Boswell, Dale, East Conemaugh,
Salix-Beauty Line Park, Davidsville, Central City,
Beaverdale-Lloydell, Paint, Jerome and Lilly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4012 7921 4011 7919 4012 7917 4016 7916
      4018 7913 4020 7913 4036 7900 4047 7893
      4043 7855 4037 7856 4035 7861 4008 7873
      4006 7876 3999 7877 4007 7927
TIME...MOT...LOC 2120Z 276DEG 38KT 4045 7912 4033 7912 4017 7937

Evanego

Special weather statement, Mar 28, 6:00 PM EDT, 4 hours 33 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 10:00 PM EDT	Flash Flood Watch	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon	6 hr
Mar 28, 10:43 PM EDT	Areal Flood Advisory	CTP	Cambria, Somerset	2 hr
Mar 29, 1:58 PM EDT	Special Weather Statement	CTP	McKean	47 min
Mar 29, 2:32 PM EDT	Special Weather Statement	CTP	Elk	28 min
Mar 29, 2:56 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Elk, McKean, Potter	49 min
Mar 29, 3:35 PM EDT	Special Weather Statement	CTP	McKean	40 min

Nearby

River Flood Warnings in Pennsylvania, 2020 Every river flood warning in 2020

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.