River Flood Warning 23, NWS Portland, OR

153 
WGUS86 KPQR 140337
FLSPQR

Flood Statement
National Weather Service Portland OR
737 PM PST Wed Jan 13 2021

...The Flood Warning is extended for the following rivers in 
Oregon...

  Marys River near Philomath affecting Benton County.

  Luckiamute River near Suver affecting Polk and Benton Counties.

...The Flood Warning continues for the following rivers in Oregon...

  Tualatin River near Dilley affecting Washington County.

  S Yamhill River at McMinnville affecting Yamhill County.

  Pudding River at Aurora affecting Clackamas and Marion Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight by 430 AM PST.

&&


ORC067-141300-
/O.EXT.KPQR.FL.W.0017.000000T0000Z-210115T0457Z/
/DLLO3.1.ER.210113T0720Z.210113T2025Z.210114T1957Z.NR/
737 PM PST Wed Jan 13 2021

...The Flood Warning is now in effect until tomorrow evening...

The Flood Warning continues for
  the Tualatin River near Dilley.
* Until Thursday evening.
* At 7:00 PM PST Wednesday the stage was 17.9 feet.
* Flood stage is 17.5 feet.
* Minor flooding is occurring and minor flooding is forecast. 
* The river crested at 18.1 feet at 11:45 AM PST Wednesday.
* Forecast...The river is expected to fall below flood stage around 
  noon Thursday.
* Impact...Above 17.5 feet, several minor roads begin to flood and 
  may be closed. Widespread lowland agricultural flooding occurs at 
  this and higher stages.


&&

LAT...LON 4544 12314 4548 12313 4551 12309 4551 12308
      4550 12305 4549 12305 4549 12309 4543 12313

$$

ORC003-141215-
/O.EXT.KPQR.FL.W.0015.000000T0000Z-210114T1203Z/
/PHIO3.1.ER.210113T0522Z.210113T1215Z.210114T0603Z.NR/
737 PM PST Wed Jan 13 2021

...The Flood Warning is now in effect until late tonight...

The Flood Warning continues for
  the Marys River near Philomath.
* Until late tonight.
* At 6:45 PM PST Wednesday the stage was 20.5 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and minor flooding is forecast. 
* The river crested at 21.2 feet at 4:00 AM PST Wednesday.
* Forecast...The river is expected to fall below flood stage 
  Thursday morning.
* Impact...Above 20.5 feet, expect flooding of some homes in the 
  southern part of Corvallis to begin, especially when the 
  Willamette is also running high. In south Corvallis, a trailer 
  park and light industrial areas begin to flood. Flooding may begin 
  in the vicinity of Chapel Drive and Grange Hall Road on the south 
  side of Philomath. Problems with the sewers have historically 
  begun in Philomath at this and higher stages.


&&

LAT...LON 4453 12339 4454 12338 4453 12331 4454 12329
      4456 12328 4456 12327 4454 12327 4452 12329
      4451 12331

$$

ORC003-053-141300-
/O.EXT.KPQR.FL.W.0014.000000T0000Z-210115T1505Z/
/SUVO3.1.ER.210113T0806Z.210113T2241Z.210115T0605Z.NO/
737 PM PST Wed Jan 13 2021

...The Flood Warning is now in effect until Friday morning...

The Flood Warning continues for
  the Luckiamute River near Suver.
* Until Friday morning.
* At 6:51 PM PST Wednesday the stage was 31.0 feet.
* Flood stage is 27.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* The river crested at 31.3 feet at 3:00 PM PST Wednesday.
* Forecast...The river is expected to fall below flood stage 
  Thursday night.


&&

LAT...LON 4484 12340 4486 12340 4483 12333 4481 12333
      4479 12320 4477 12320 4476 12316 4473 12316
      4475 12323 4477 12323 4480 12336 4482 12336

$$

ORC071-141300-
/O.EXT.KPQR.FL.W.0023.210114T1057Z-210114T1822Z/
/MCMO3.1.ER.210114T1057Z.210114T1200Z.210114T1222Z.NO/
737 PM PST Wed Jan 13 2021

...The Flood Warning is now in effect until late tomorrow morning...

The Flood Warning continues for
  the S Yamhill River at McMinnville.
* From late tonight to Thursday morning.
* At 6:00 PM PST Wednesday the stage was 48.6 feet.
* Flood stage is 50.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  Wednesday night to a crest of 50.2 feet early Thursday morning.
* Impact...Above 50.0 feet, expect lowland flooding at several 
  locations along the river from McMinnville to the confluence with 
  the Willamette River.


&&

LAT...LON 4516 12321 4521 12319 4524 12313 4525 12312
      4523 12307 4525 12305 4524 12302 4523 12302
      4523 12305 4521 12306 4522 12311 4522 12313
      4520 12314 4518 12314 4515 12319

$$

ORC005-047-141300-
/O.EXT.KPQR.FL.W.0024.210114T1437Z-210115T2044Z/
/AURO3.1.ER.210114T1437Z.210115T0000Z.210115T1144Z.NO/
737 PM PST Wed Jan 13 2021

...The Flood Warning is now in effect until early Friday afternoon...

The Flood Warning continues for
  the Pudding River at Aurora.
* From Thursday morning to Friday afternoon.
* At 7:00 PM PST Wednesday the stage was 20.5 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  Thursday morning to a crest of 22.3 feet Thursday afternoon.
* Impact...Above 22.0 feet, expect minor flooding of low-lying 
  agricultural lands and access roads along the river.


&&

LAT...LON 4526 12276 4526 12273 4524 12274 4522 12273
      4520 12274 4518 12274 4515 12276 4515 12280
      4518 12277 4520 12277

$$

13

593 
WGUS86 KPQR 141239
FLSPQR

Flood Statement
National Weather Service Portland OR
439 AM PST Thu Jan 14 2021

...The Flood Warning is extended for the following rivers in 
Oregon...

  S Yamhill River at McMinnville affecting Yamhill County.

  Pudding River at Aurora affecting Clackamas and Marion Counties.

...The Flood Warning is cancelled for the following rivers in 
Oregon...

  Tualatin River near Dilley affecting Washington County.

...The Flood Warning continues for the following rivers in Oregon...

  Luckiamute River near Suver affecting Polk and Benton Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Additional information is available at www.weather.gov.

The next statement will be issued early this afternoon around 4 PM.

&&


ORC067-141345-
/O.CAN.KPQR.FL.W.0017.000000T0000Z-210114T1239Z/
/DLLO3.1.ER.210113T0720Z.210113T2025Z.210114T1957Z.NR/
439 AM PST Thu Jan 14 2021

...The Flood Warning for the Tualatin River near Dilley has been 
cancelled...

The Flood Warning is cancelled for
  the Tualatin River near Dilley.
* At 4:10 AM PST Thursday the stage was 17.4 feet.
* Flood stage is 17.5 feet.
* Forecast...The river is expected to fall slowly through Saturday.


&&

LAT...LON 4544 12314 4548 12313 4551 12309 4551 12308
      4550 12305 4549 12305 4549 12309 4543 12313

$$

ORC071-150015-
/O.EXT.KPQR.FL.W.0023.000000T0000Z-210115T0139Z/
/MCMO3.1.ER.210114T0334Z.210114T1200Z.210114T1939Z.NO/
439 AM PST Thu Jan 14 2021

...The Flood Warning is now in effect until late this afternoon...

The Flood Warning continues for
  the S Yamhill River at McMinnville.
* Until this afternoon.
* At 4:00 AM PST Thursday the stage was 53.9 feet.
* Flood stage is 50.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 4:00 AM PST Thursday was 53.9 feet.
* Forecast...The river is expected to fall below flood stage midday 
  today, then continue falling through Saturday.
* Impact...Above 54.0 feet, numerous secondary and minor access 
  roads begin to flood. Road closures are possible at a few 
  locations.


&&

LAT...LON 4516 12321 4521 12319 4524 12313 4525 12312
      4523 12307 4525 12305 4524 12302 4523 12302
      4523 12305 4521 12306 4522 12311 4522 12313
      4520 12314 4518 12314 4515 12319

$$

ORC003-053-150015-
/O.EXT.KPQR.FL.W.0014.000000T0000Z-210115T1022Z/
/SUVO3.1.ER.000000T0000Z.210113T2241Z.210115T0122Z.NO/
439 AM PST Thu Jan 14 2021

...The Flood Warning is now in effect until just after midnight 
tonight...

The Flood Warning continues for
  the Luckiamute River near Suver.
* Until late tonight.
* At 4:01 AM PST Thursday the stage was 29.2 feet.
* Flood stage is 27.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 4:01 AM PST Thursday was 31.3 feet.
* Forecast...The river is expected to fall below flood stage late 
  this afternoon and continue falling through Saturday.
* Impact...Above 29.0 feet, expect widespread flooding of the 
  lowland agricultural lands upstream from Falls City and Maple 
  Grove to the confluence with the Willamette River. Also expect 
  flooding and possible closure of numerous secondary roads near the 
  river.


&&

LAT...LON 4484 12340 4486 12340 4483 12333 4481 12333
      4479 12320 4477 12320 4476 12316 4473 12316
      4475 12323 4477 12323 4480 12336 4482 12336

$$

ORC005-047-150015-
/O.EXT.KPQR.FL.W.0024.210114T1742Z-210115T2044Z/
/AURO3.1.ER.210114T1742Z.210115T0000Z.210115T1144Z.NO/
439 AM PST Thu Jan 14 2021

...The Flood Warning is now in effect until early tomorrow 
afternoon...

The Flood Warning continues for
  the Pudding River at Aurora.
* From this morning to Friday afternoon.
* At 4:00 AM PST Thursday the stage was 21.2 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this morning to a crest of 22.3 feet late this afternoon. It will 
  then fall below flood stage late tonight.
* Impact...Above 22.0 feet, expect minor flooding of low-lying 
  agricultural lands and access roads along the river.


&&

LAT...LON 4526 12276 4526 12273 4524 12274 4522 12273
      4520 12274 4518 12274 4515 12276 4515 12280
      4518 12277 4520 12277

$$

Weagle

447 
WGUS86 KPQR 141319
FLSPQR

Flood Statement
National Weather Service Portland OR
519 AM PST Thu Jan 14 2021

...The Flood Warning is extended for the following rivers in 
Oregon...

  Marys River near Philomath affecting Benton County.

  S Yamhill River at McMinnville affecting Yamhill County.

...The Flood Warning continues for the following rivers in Oregon...

  Luckiamute River near Suver affecting Polk and Benton Counties.

  Pudding River at Aurora affecting Clackamas and Marion Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Additional information is available at www.weather.gov.

The next statement will be issued this morning by 1115 AM PST.

&&


ORC003-141915-
/O.EXT.KPQR.FL.W.0025.000000T0000Z-210114T1903Z/
/PHIO3.1.ER.000000T0000Z.210113T1330Z.210114T1303Z.NR/
519 AM PST Thu Jan 14 2021

...The Flood Warning is now in effect until late this morning...

The Flood Warning continues for
  the Marys River near Philomath.
* Until this morning.
* At 4:15 AM PST Thursday the stage was 20.1 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring. 
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 4:15 AM PST Thursday was 21.2 feet.
* Forecast...The river is expected to fall below flood stage early 
  this morning, then continue falling through Saturday.
* Impact...Above 20.0 feet, expect widespread low land and 
  agricultural flooding. Numerous roads along the Marys are 
  affected, and some structures near the river may begin to flood.


&&

LAT...LON 4453 12339 4454 12338 4453 12331 4454 12329
      4456 12328 4456 12327 4454 12327 4452 12329
      4451 12331

$$

ORC071-150130-
/O.EXT.KPQR.FL.W.0023.000000T0000Z-210115T0323Z/
/MCMO3.1.ER.210114T0334Z.210114T1200Z.210114T2123Z.NO/
519 AM PST Thu Jan 14 2021

...The Flood Warning is now in effect until this evening...

The Flood Warning continues for
  the S Yamhill River at McMinnville.
* Until this evening.
* At 4:00 AM PST Thursday the stage was 53.9 feet.
* Flood stage is 50.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 4:00 AM PST Thursday was 53.9 feet.
* Forecast...The river is expected to fall below flood stage this 
  afternoon and continue falling through Saturday.
* Impact...Above 54.0 feet, numerous secondary and minor access 
  roads begin to flood. Road closures are possible at a few 
  locations.


&&

LAT...LON 4516 12321 4521 12319 4524 12313 4525 12312
      4523 12307 4525 12305 4524 12302 4523 12302
      4523 12305 4521 12306 4522 12311 4522 12313
      4520 12314 4518 12314 4515 12319

$$

ORC003-053-150130-
/O.EXT.KPQR.FL.W.0014.000000T0000Z-210115T0625Z/
/SUVO3.1.ER.000000T0000Z.210113T2241Z.210114T2125Z.NO/
519 AM PST Thu Jan 14 2021

...The Flood Warning is now in effect until late this evening...

The Flood Warning continues for
  the Luckiamute River near Suver.
* Until this evening.
* At 4:51 AM PST Thursday the stage was 29.1 feet.
* Flood stage is 27.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 4:51 AM PST Thursday was 31.3 feet.
* Forecast...The river is expected to fall below flood stage this 
  afternoon and continue falling through Saturday.
* Impact...Above 29.0 feet, expect widespread flooding of the 
  lowland agricultural lands upstream from Falls City and Maple 
  Grove to the confluence with the Willamette River. Also expect 
  flooding and possible closure of numerous secondary roads near the 
  river.


&&

LAT...LON 4484 12340 4486 12340 4483 12333 4481 12333
      4479 12320 4477 12320 4476 12316 4473 12316
      4475 12323 4477 12323 4480 12336 4482 12336

$$

ORC005-047-150130-
/O.EXT.KPQR.FL.W.0024.210114T2211Z-210115T2025Z/
/AURO3.1.ER.210114T2211Z.210115T0600Z.210115T1125Z.NO/
519 AM PST Thu Jan 14 2021

...The Flood Warning is now in effect until early tomorrow 
afternoon...

The Flood Warning continues for
  the Pudding River at Aurora.
* From this afternoon to Friday afternoon.
* At 5:00 AM PST Thursday the stage was 21.3 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  afternoon to a crest of 22.1 feet late this evening. It will then 
  fall below flood stage late tonight.
* Impact...Above 22.0 feet, expect minor flooding of low-lying 
  agricultural lands and access roads along the river.


&&

LAT...LON 4526 12276 4526 12273 4524 12274 4522 12273
      4520 12274 4518 12274 4515 12276 4515 12280
      4518 12277 4520 12277

$$

31

218 
WGUS86 KPQR 150129
FLSPQR

Flood Statement
National Weather Service Portland OR
529 PM PST Thu Jan 14 2021

...The Flood Warning is extended for the following rivers in 
Oregon...

  Pudding River at Aurora affecting Clackamas and Marion Counties.

...The Flood Warning continues for the following rivers in Oregon...

  S Yamhill River at McMinnville affecting Yamhill County.

  Luckiamute River near Suver affecting Polk and Benton Counties.

  Tualatin River at Farmington affecting Washington County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Additional information is available at www.weather.gov.

The next statement will be issued this evening by 930 PM PST.

&&


ORC005-047-151230-
/O.EXT.KPQR.FL.W.0024.000000T0000Z-210115T2026Z/
/AURO3.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
529 PM PST Thu Jan 14 2021

...The Flood Warning is now in effect until early tomorrow 
afternoon...

The Flood Warning continues for
  the Pudding River at Aurora.
* Until Friday afternoon.
* At 5:00 PM PST Thursday the stage was 21.7 feet.
* Flood stage is 22.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  evening to a crest of 22.0 feet late tonight. It will then fall 
  below flood stage Friday morning.
* Impact...Above 22.0 feet, expect minor flooding of low-lying 
  agricultural lands and access roads along the river.


&&

LAT...LON 4526 12276 4526 12273 4524 12274 4522 12273
      4520 12274 4518 12274 4515 12276 4515 12280
      4518 12277 4520 12277

$$

ORC071-150330-
/O.CON.KPQR.FL.W.0023.000000T0000Z-210115T0323Z/
/MCMO3.1.ER.210114T0334Z.210114T1315Z.210115T0634Z.NO/
529 PM PST Thu Jan 14 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the S Yamhill River at McMinnville.
* Until this evening.
* At 4:00 PM PST Thursday the stage was 52.0 feet.
* Flood stage is 50.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The river crested at 54.0 feet 5:15 AM PST 
  Thursday.
* Forecast...The river is expected to fall below flood stage late 
  this evening and continue falling through Sunday afternoon.
* Impact...Above 52.0 feet, expect extensive lowland flooding from 
  10 miles south of McMinnville to the confluence of the Yamhill and 
  Willamette Rivers.


&&

LAT...LON 4516 12321 4521 12319 4524 12313 4525 12312
      4523 12307 4525 12305 4524 12302 4523 12302
      4523 12305 4521 12306 4522 12311 4522 12313
      4520 12314 4518 12314 4515 12319

$$

ORC003-053-150630-
/O.CON.KPQR.FL.W.0014.000000T0000Z-210115T0625Z/
/SUVO3.1.ER.000000T0000Z.210113T2241Z.210115T0222Z.NO/
529 PM PST Thu Jan 14 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Luckiamute River near Suver.
* Until this evening.
* At 4:41 PM PST Thursday the stage was 27.5 feet.
* Flood stage is 27.0 feet.
* Minor flooding is occurring.
* Recent Activity...The river crested at 31.3 feet between 1:50 and 
  3:50 PM PST Wednesday.
* Forecast...The river is expected to fall below flood stage this 
  evening and continue falling through Sunday afternoon.
* Impact...Above 27.0 feet, expect flooding of low lying and 
  agricultural lands in the vicinity of Sarah Helmick State Park, 
  Highway 99W, and Parker Road. Some secondary roads and rural 
  access roads may be flooded at this point. Flooding along Buena 
  Vista Rd near the confluence with the Willamette is also likely, 
  especiallly if the Willamette is running high.


&&

LAT...LON 4484 12340 4486 12340 4483 12333 4481 12333
      4479 12320 4477 12320 4476 12316 4473 12316
      4475 12323 4477 12323 4480 12336 4482 12336

$$

ORC067-151230-
/O.CON.KPQR.FL.W.0026.210115T0400Z-210117T1000Z/
/FRMO3.1.ER.210114T2200Z.210116T0000Z.210117T1334Z.NO/
529 PM PST Thu Jan 14 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Tualatin River at Farmington.
* Until late Saturday night.
* At 4:30 PM PST Thursday the stage was 32.2 feet.
* Flood stage is 32.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 4:30 PM PST Thursday was 32.2 feet.
* Forecast...The river is expected to rise to a crest of 33.0 feet 
  Friday afternoon. It will then fall below flood stage early Sunday 
  morning.
* Impact...Above 34.0 feet, expect inundation of large areas along 
  the Tualatin from Farmington downstream to the City of Tualatin. 
  The main flood impact is to low-lying pastures and farmland along 
  the river, but lower elevations of some secondary roads between 
  Farmington and Tualatin may be flooded, and some structures in the 
  city of Tualatin may be threatened by flood water.


&&

LAT...LON 4550 12307 4552 12305 4551 12303 4550 12295
      4549 12293 4547 12292 4545 12294 4543 12292
      4541 12282 4541 12278 4539 12278 4538 12282
      4538 12288 4540 12295 4543 12297 4545 12297
      4547 12296 4547 12298 4549 12304 4550 12304

$$

685 
WGUS86 KPQR 150316
FLSPQR

Flood Statement
National Weather Service Portland OR
716 PM PST Thu Jan 14 2021

...The Flood Warning is extended for the following rivers in 
Oregon...

  S Yamhill River at McMinnville affecting Yamhill County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 430 AM PST.

&&


ORC071-151230-
/O.EXT.KPQR.FL.W.0023.000000T0000Z-210115T1230Z/
/MCMO3.1.ER.210114T0334Z.210114T1315Z.210115T0624Z.NO/
716 PM PST Thu Jan 14 2021

...The Flood Warning is now in effect until late tonight...

The Flood Warning continues for
  the S Yamhill River at McMinnville.
* Until late tonight.
* At 6:00 PM PST Thursday the stage was 51.4 feet.
* Flood stage is 50.0 feet.
* Minor flooding is occurring.
* Recent Activity...The river crested at 54.0 feet at 5:15 AM PST 
  Thursday.
* Forecast...The river is expected to fall below flood stage late 
  this evening and continue falling through Sunday afternoon.
* Impact...Above 50.0 feet, expect lowland flooding at several 
  locations along the river from McMinnville to the confluence with 
  the Willamette River.


&&

LAT...LON 4516 12321 4521 12319 4524 12313 4525 12312
      4523 12307 4525 12305 4524 12302 4523 12302
      4523 12305 4521 12306 4522 12311 4522 12313
      4520 12314 4518 12314 4515 12319

$$

330 
WGUS86 KPQR 151146
FLSPQR

Flood Statement
National Weather Service Portland OR
346 AM PST Fri Jan 15 2021

...The Flood Warning is cancelled for the following rivers in 
Oregon...

  S Yamhill River at McMinnville affecting Yamhill County.

ORC071-151300-
/O.CAN.KPQR.FL.W.0023.000000T0000Z-210115T1146Z/
/MCMO3.1.ER.210114T0334Z.210114T1315Z.210115T0624Z.NO/
346 AM PST Fri Jan 15 2021

...The Flood Warning for the S Yamhill River at McMinnville has been 
cancelled...

The Flood Warning is cancelled for
  the S Yamhill River at McMinnville.
* At 3:00 AM PST Friday the stage was 48.4 feet.
* Flood stage is 50.0 feet.
* Forecast...The river is expected to continue falling through 
  Sunday.


&&

LAT...LON 4516 12321 4521 12319 4524 12313 4525 12312
      4523 12307 4525 12305 4524 12302 4523 12302
      4523 12305 4521 12306 4522 12311 4522 12313
      4520 12314 4518 12314 4515 12319

$$

Weagle

Area Forecast Discussion...UPDATED
National Weather Service Portland OR
928 AM PST Wed Jan 13 2021

Updated Aviation Discussion

.SYNOPSIS...Locally heavy rain is coming to an end across the
forecast area this morning as a cold front pushes into eastern WA/OR.
However, a handful of rivers are already above flood stage, and many
are still rising. Most rivers should crest today and are expected to
recede thereafter. High pressure will build into the region for much
quieter weather by this evening. There will be plenty of night and
morning fog in the valleys tonight and Thursday night. Much weaker
frontal systems will bring chances of rain and Cascades snow Friday
and again Sunday.

&&

.SHORT TERM...Today through Friday...Impressive wind and rain event
is wrapping up across SW Washington and NW Oregon. Vigorous low
pressure developed along a slow moving frontal zone, just off the
Washington coast. As this developed into a 988 mb low, it pushed a
potent cold front onshore and across western WA/OR. As is often the
case with developing lows, winds overperformed a bit, especially
inland. Gusts in the 40s were fairly common across the Willamette
Valley, with gusts in the 50s/60s common for the coast and higher
terrain. The High Wind Warning verified nicely along the coast, but
inland areas took some damage as well. At the peak of the event local
utilities reported nearly 100k customers without power in our
forecast area, and there are many reports of branches or weaker trees
downed by the wind and soggy ground. Speaking of soggy ground, a
handful of landslides have occurred across the forecast area, and
several rivers have already reached flood stage. Many are still
rising, but most should crest today. Please see our flood warnings
and statements for more info on the ongoing flood event.

Rainfall with this system has been impressive. We will be sending a
Public Information Statement (PNSPQR) this morning with a roundup of
rain and wind reports. Nearly all locations in our forecast area have
received at least 1 inch of rain over the past 36 hours, with many
lowland locations exceeding 2 inches, especially Salem northward.
Coastal areas have generally received 2-4 inches from this event.
Rainfall totals in the higher terrain have been downright impressive
- many locations are over 5 inches, with the big "winners" appearing
to be June Lake SNOTEL and Huckleberry Ridge which are each just shy
of 10 inches for the event. Thus it is not surprising we are seeing
so many hydro issues this morning.

Fortunately, things are winding down across the forecast area as our
cold front moves into eastern WA/OR. Cooler air is causing rain to
turn to snow above ~4500 feet, but precip is rapidly tapering to
showers as higher pressure moves in from the Pacific. So, the Cascade
passes could see around an inch or so of snow, but impacts should be
minimal. High pressure will focus east of the Cascades tonight and
Thursday morning, allowing east winds to develop again through the
Columbia Gorge. While this should eradicate the fog threat for the
eastern PDX metro by Thursday, the east winds do not appear quite
strong enough to break inversions in the Willamette Valley south and
west of Portland's West Hills, nor for most valleys of SW Washington.

Most guidance suggests our next incoming front is due Friday morning,
and that it will be much weaker than the system we've dealt with the
past 24-48 hours. This appears to be a run-of-the-mill clipper-like
system; fast moving and without access to significant moisture. Will
need to keep an eye on temperatures in the Hood River Valley as
precip spreads that way Friday morning, but NBM suggests temperatures
generally above freezing with only a 20-30% chance of freezing rain
at Parkdale Friday morning.

Suspect NBM temperatures may be a little too warm Friday with weak
low-level flow and plenty of low-level moisture, but we've had bigger
fish to fry on this shift with all the ongoing weather. Bottom line
is future shifts may need to look into keeping highs in the 40s for
inland areas Friday afternoon if it continues to appear cloudiness
will linger well into the day Friday.  Weagle

.LONG TERM...Friday night through Tuesday...In general, the extended
forecast period looks much quieter than the past 24-48 hours. In
response to deep downstream upper troughing over the eastern United
States, upper level ridging will likely be amplifying across the
western United States and NE Pacific. The 06z GFS and 00z ECMWF/GEM
all suggest a weak clipper system brushing by to our north Sunday,
possibly bringing some light rain and Cascades snow. Overall though,
it appears the most noticeable trend in the long term will be toward
drier weather with more seasonable temperatures.  Weagle

&&

.HYDROLOGY...The multi-round moderate to heavy rain event of the
past 36 hours is quickly coming to an end this morning. Any
lingering rainfall should have little impact on area rivers.
However, there is plenty of water draining area creeks and rivers
that many of our bigger rivers remain well above flood stage.
Fortunately, many of our smaller creeks and rivers will likely crest
over the next several hours. However, as this water works its way
down some of our larger river systems, a few additional rivers
appear poised to rise above minor flood stage over the next day or
two. This includes Cowlitz River at Kelso, the Clackamas River at
Estacada and the Hood River at Hood River. In addition, the Tualatin
River at Farmington, the South Yamhill River at McMinnville and the
Pudding River appear to be the next most likely rivers to reach
minor flood stage. Will hold off on issuing warnings for now given
some uncertainty in these river forecasts at this point. We also are
paying close attention to the Clackamas River at Oregon City. Expect
the Willamette River to be on the rise this week and likely exceed
bankfull in places, but at this point it appears it should remain
well below minor flood stage at our various forecast points along
the river. /Neuman

&&

.AVIATION...VFR conditions continue, although some fair weather
cumulus with bases 2500 to 3500 resulting in brief periods of
BKN025 to BKN035 across the area today. This clouds should
dissipate near 01Z. Developing offshore flow will bring lower dew
points. However, there will likely be enough residual ground
moisture to offset the drier air. Therefore, expect IFR/LIFR fog
developing within the Willamette Valley after 10Z Thursday.

For detailed regional Pac NW weather information, go online to:
http://weather.gov/zse

KPDX AND APPROACHES...Predominately VFR conditions over the next
24 hours. There is the chance for fair weather cumulus to develop
with bases around 2500 to 3500 which could result in period of
BKN025 to BKN035 during daylight hours. /42

&&

.MARINE...Front has moved well inland with conditions easing in
its wake. Winds will ease this morning, but not after a few gusts
up to 35 kt across the northern waters. Generally though, will
see gusts up to 30 kt ease by later this morning. Seas will be
much slower to subside and will remain in the upper teens this
morning receding to the mid teens around 10 AM or so. Then
expect a very gradual decrease, finally reaching below 10 ft near
10 AM Thursday.

A much weaker cold front is expected to move into the waters
Thursday night bringing small craft advisory level winds, followed
by another long period westerly swell train arriving Friday and
building seas back into the range of 15 to 20 ft late Friday
and Friday night. Then another short break before the next front
arrives Saturday night with again another trailing set of
elevated seas Sunday. /JBonk

&&

.PQR WATCHES/WARNINGS/ADVISORIES...
OR...Flood Watch until 10 AM PST this morning for Cascade Foothills
     in Lane County-Cascades in Lane County-Central Coast Range
     of Western Oregon-Central Columbia River Gorge-Central
     Oregon Coast-Central Willamette Valley-Coast Range of
     Northwest Oregon-Greater Portland Metro Area-Lower
     Columbia-North Oregon Coast-Northern Oregon Cascade
     Foothills-Northern Oregon Cascades-South Willamette Valley-
     Western Columbia River Gorge.

     Coastal Flood Advisory until 4 PM PST this afternoon for
     Central Oregon Coast-North Oregon Coast.

WA...Flood Watch until 10 AM PST this morning for Central Columbia
     River Gorge-Greater Vancouver Area-I-5 Corridor in Cowlitz
     County-South Washington Cascade Foothills-South Washington
     Cascades-South Washington Coast-Western Columbia River
     Gorge-Willapa Hills.

     Coastal Flood Advisory until 4 PM PST this afternoon for South
     Washington Coast.

PZ...Small Craft Advisory until 10 AM PST Thursday for coastal
     waters from Cape Shoalwater WA to Florence OR out 60 NM.

     Small Craft Advisory until 6 PM PST this evening for Columbia
     River Bar.

&&

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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
1100 AM PST WED JAN 13 2021

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

0853 AM     HEAVY RAIN       2 SE MT TABOR           45.48N 122.56W
01/13/2021  M3.28 INCH       MULTNOMAH          OR   PUBLIC

            STORM TOTAL RAINFALL FROM 1/11/2021 THROUGH
            8:53 AM PST ON 1/13/2021.

&&

TJK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
1104 AM PST WED JAN 13 2021

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

0845 AM     HEAVY RAIN       2 ENE EVERGREEN         45.64N 122.50W
01/13/2021  M4.16 INCH       CLARK              WA   PUBLIC

            STORM TOTAL RAINFALL SINCE 6 PM PST
            1/11/2021 THROUGH 8:45 AM PST 1/13/2021.
            LOCATION APPROXIMATE.

&&

TJK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
1108 AM PST WED JAN 13 2021

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

0840 AM     HEAVY RAIN       2 ENE PIKE              45.40N 123.23W
01/13/2021  M4.29 INCH       YAMHILL            OR   COCORAHS

            STORM TOTAL RAINFALL FROM 1/11/2021 THROUGH
            8:40 AM PST ON 1/13/2021.

&&

TJK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
1159 AM PST WED JAN 13 2021

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

0820 AM     HEAVY RAIN       2 SSE CORVALLIS         44.55N 123.26W
01/13/2021  M2.38 INCH       BENTON             OR   PUBLIC

            STORM TOTAL RAINFALL FROM 3:30 PM PST
            1/11/2021 THROUGH 8:20 AM PST 1/13/2021.
            LOCATION IS APPROXIMATE.

&&

TJK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
1201 PM PST WED JAN 13 2021

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

1200 AM     HEAVY RAIN       2 NE DURHAM             45.41N 122.74W
01/13/2021  M3.70 INCH       CLACKAMAS          OR   TRAINED SPOTTER

            TOTAL RAINFALL FROM 6PM PST 1/11/2021
            THROUGH 12 AM PST 1/13/2021.

&&

TJK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PORTLAND OR
1249 PM PST WED JAN 13 2021

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

1100 AM     HEAVY RAIN       2 ESE RALEIGH HILLS     45.47N 122.71W
01/13/2021  M3.65 INCH       MULTNOMAH          OR   PUBLIC

            STORM TOTAL RAINFALL FROM 11AM PST 1/11/2021
            THROUGH 11AM PST 1/13/2021. LOCATION IS
            APPROXIMATE.

&&

TJK