Alert archive / Pennsylvania / River Flood Warnings in 2018
River Flood Warning 15, NWS State College, PA
NWS State College, PA issued this river flood warning at Jul 23, 2018, 6:24 AM EDT for Dauphin County, Lebanon County, Pennsylvania. It took effect at Jul 23, 2018, 9:00 AM EDT. It was in force for 5 days.
The area
The counties it named.
The facts
- Issued
- Jul 23, 2018, 6:24 AM EDT (10:24 UTC)
- In effect from
- Jul 23, 2018, 9:00 AM EDT
- Expired
- Jul 27, 2018, 9:59 PM EDT
- In force
- 5 days
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Dauphin County, PA, Lebanon County, PA
The radar
The State College radar (KCCX), 131 km from the middle of the area, began a volume at 10:28 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 Swatara Creek near Hershey (HERP1). The gauge peaked at 17.03 ft at Jul 26, 2018, 1:00 AM EDT.
- Action stage
- 6 ft
- Minor stage
- 7 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 01573560, 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 Jul 23, 5:57 AM EDT, 27 minutes earlier.
Area forecast discussion, Jul 23, 5:57 AM EDT, 27 minutes before
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</html>Hazardous weather outlook, Jul 23, 4:03 AM EDT, 2 hours 21 minutes before
Hazardous Weather Outlook National Weather Service State College PA 403 AM EDT Mon Jul 23 2018 PAZ004-005-010-011-017-024-033-240815- Warren-McKean-Elk-Cameron-Clearfield-Cambria-Somerset- 403 AM EDT Mon Jul 23 2018 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and Tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. An extended period of wet weather with frequent rounds of showers and thunderstorms rain will increase the risk of flooding through late week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ006-012-018-025-034-037-041-042-240815- Potter-Northern Clinton-Northern Centre-Blair-Bedford-Tioga- Northern Lycoming-Sullivan- 403 AM EDT Mon Jul 23 2018 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and Tonight. Heavy rain from showers and thunderstorms is possible. Some localized areas may experience minor flooding. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. An extended period of wet weather with frequent rounds of showers and thunderstorms rain will increase the risk of flooding through late week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. PAZ019-026>028-035-036-045-046-049>053-056>059-063>066-240815- Southern Centre-Huntingdon-Mifflin-Juniata-Fulton-Franklin- Southern Clinton-Southern Lycoming-Union-Snyder-Montour- Northumberland-Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland- Adams-York-Lancaster- 403 AM EDT Mon Jul 23 2018 ...FLASH FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH LATE TONIGHT... 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. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. An extended period of wet weather with frequent rounds of showers and thunderstorms rain will increase the risk of flooding through late week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Jul 23, 4:52 AM EDT, 1 hour 32 minutes before
Special Weather Statement
National Weather Service State College PA
452 AM EDT MON JUL 23 2018
PAZ042-053-230930-
Columbia PA-Sullivan PA-
452 AM EDT MON JUL 23 2018
...A STRONG THUNDERSTORM WILL AFFECT PARTS OF COLUMBIA AND SULLIVAN
COUNTIES UNTIL 530 AM EDT...
At 451 AM EDT, Doppler radar indicated a strong thunderstorm near
Rohrsburg, moving north at 30 mph.
Wind gusts of 50 to 55 mph are possible. The trees and soils are
wet. Therefore, winds of this speed can bring down large limbs and
even some trees.
Locations impacted include...
Bloomsburg, Berwick, Mifflinville, Lightstreet, Almedia, Buckhorn,
Rohrsburg, Jamison City, Waller, Ricketts Glen State Park, Central,
Fairmount Spgs, Espy, Lime Ridge, Benton, Briar Creek, Orangeville
and Stillwater.
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.
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 4101 7652 4137 7643 4138 7628 4131 7631
4120 7632 4113 7627 4114 7623 4101 7622
TIME...MOT...LOC 0851Z 199DEG 27KT 4111 7633
DangeloSpecial weather statement, Jul 23, 5:51 AM EDT, 33 minutes before
Special Weather Statement
National Weather Service State College PA
551 AM EDT MON JUL 23 2018
PAZ027-028-050-056-231045-
Perry PA-Juniata PA-Mifflin PA-Snyder PA-
551 AM EDT MON JUL 23 2018
...A STRONG THUNDERSTORM WILL AFFECT PARTS OF MIFFLIN...JUNIATA...
SNYDER...AND PERRY COUNTIES UNTIL 645 AM EDT...
At 549 AM EDT, Doppler radar indicated a strong thunderstorm over
Loysville, moving north at 30 mph.
Very heavy rain is expected.
Wind gusts up to 50 mph are also possible.
The wet ground and wet trees could lead to large limbs and even some
trees coming down.
Locations impacted include...
Mcalisterville, McClure, Spruce Hill, Beaver Springs, Mexico,
Alfarata, Belltown, Loysville, Ickesburg, Walnut, Reeds Gap State
Park, Mifflintown, Port Royal, Thompsontown, Mifflin, Maitland,
Blain, Landisburg, East Salem and Wagner.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Minor flooding may develop. Do not drive into water covering over
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 4030 7736 4032 7736 4031 7738 4033 7752
4078 7752 4078 7721 4029 7727
TIME...MOT...LOC 0949Z 181DEG 28KT 4038 7738
DangeloThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 12:13 AM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Perry, York | 6 hr |
| Jul 23, 3:43 AM EDT | Areal Flood Advisory | CTP | Dauphin, Lebanon, Schuylkill | 3 hr |
| Jul 23, 3:59 AM EDT | Flash Flood Watch | CTP | Adams, Bedford, Blair, Centre, Clinton, Columbia and 20 more | 4 days |
| Jul 23, 4:32 AM EDT | Flash Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 3 hr |
| Jul 23, 4:47 AM EDT | River Flood Warning | CTP | Lebanon, Schuylkill | 4 days |
| Jul 23, 4:48 AM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Schuylkill | 3 hr |
| Jul 23, 4:52 AM EDT | Special Weather Statement | CTP | Columbia | 38 min |
| Jul 23, 4:58 AM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin, Perry | 2 hr |
| Jul 23, 5:44 AM EDT | Flash Flood Warning | CTP | Columbia, Montour, Northumberland, Schuylkill | 3 hr |
| Jul 23, 5:51 AM EDT | Special Weather Statement | CTP | Juniata, Perry | 54 min |
| Jul 23, 7:16 AM EDT | Areal Flood Advisory | CTP | Bedford, Franklin, Fulton, Huntingdon | 3 hr |
| Jul 23, 8:06 AM EDT | Areal Flood Warning | CTP | Columbia, Dauphin, Lancaster, Lebanon, Montour, Northumberland and 2 more | 6 hr |
| Jul 23, 8:41 AM EDT | Areal Flood Advisory | CTP | Lycoming, Sullivan | 5 hr |
| Jul 23, 11:02 AM EDT | River Flood Warning | CTP | Dauphin | 4 days |
| Jul 23, 12:41 PM EDT | Special Weather Statement | CTP | Snyder | 49 min |
| Jul 23, 12:54 PM EDT | Special Weather Statement | CTP | Snyder | 36 min |
| Jul 23, 1:13 PM EDT | Special Weather Statement | CTP | Centre | 32 min |
| Jul 23, 1:23 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 52 min |
| Jul 23, 1:38 PM EDT | Special Weather Statement | CTP | Lycoming | 37 min |
| Jul 23, 1:47 PM EDT | Areal Flood Warning | CTP | Dauphin, Lancaster, Lebanon, Northumberland, Schuylkill, York | 9 hr |
| Jul 23, 2:17 PM EDT | Special Weather Statement | CTP | Cumberland | 28 min |
| Jul 23, 2:18 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 57 min |
| Jul 23, 3:05 PM EDT | Special Weather Statement | CTP | Juniata, Mifflin | 40 min |
| Jul 23, 4:31 PM EDT | Special Weather Statement | CTP | Huntingdon | 44 min |
| Jul 23, 5:36 PM EDT | River Flood Warning | CTP | Huntingdon | 3 days |
| Jul 23, 5:50 PM EDT | Areal Flood Advisory | CTP | Lancaster | 115 min |
| Jul 23, 5:51 PM EDT | Special Weather Statement | CTP | Centre | 39 min |
| Jul 23, 6:46 PM EDT | Special Weather Statement | CTP | Clinton, Potter | 29 min |
| Jul 23, 6:56 PM EDT | Special Weather Statement | CTP | Cumberland, Juniata, Perry | 64 min |
| Jul 23, 7:18 PM EDT | Special Weather Statement | CTP | Tioga | 57 min |
Nearby
River Flood Warnings in Pennsylvania, 2018Every 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.