Alert archive / New York / River Flood Warnings in 2021

River Flood Warning 11, NWS Albany, NY

August 19, 2021Oneida County, New York

NWS Albany, NY issued this river flood warning at Aug 19, 2021, 5:02 AM EDT for Oneida County, New York. It took effect at Aug 19, 2021, 9:17 AM EDT. It was in force for 49 hr.

The area

The outline as issued.

The facts

Issued: Aug 19, 2021, 5:02 AM EDT (09:02 UTC)
In effect from: Aug 19, 2021, 9:17 AM EDT
Expired: Aug 21, 2021, 9:50 AM EDT
In force: 49 hr
Issued by: NWS Albany, NY
Area: Storm-based polygon
Flood severity: Minor

County Oneida County, NY

The radar

The Ft Drum radar (KTYX), 62 km from the middle of the area, began a volume at 09:04 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 Mohawk River at Delta Dam (DDMN6).

Action stage: 549 ft
Minor stage: 551.5 ft
Moderate stage: 553 ft
Major stage: 554 ft

This gauge today: stage, forecast and historic crests

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

The text

As transmitted.

300 
WGUS41 KALY 190902
FLWALY

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Albany NY
502 AM EDT Thu Aug 19 2021


NYC065-192115-
/O.NEW.KALY.FL.W.0011.210819T1400Z-210821T0600Z/
/DDMN6.1.ER.210819T1340Z.210820T0600Z.210821T0000Z.NR/
502 AM EDT Thu Aug 19 2021

The National Weather Service in Albany has issued a

* Flood Warning for
  the Mohawk River At Delta Dam.
* From this morning to early Saturday morning.
* At 4:45 AM EDT Thursday the stage was 551.2 feet.
* Flood stage is 551.5 feet.
* Minor flooding is forecast. 
* Forecast...The river is expected to rise above flood stage late 
  this morning to a crest of 551.7 feet just after midnight tonight. 
  It will then fall below flood stage tomorrow evening.
* Impact...At 551.5 feet, Minor flood stage. During the navigation 
  season the Erie Canal may close due to high water.
* Flood History...This crest compares to a previous crest of 551.7 
  feet on 04/05/2011.

&&


Mohawk River
Delta Dam
Flood Stage: 551.5
Observed Stage at Thu 4 am: 551.2
Forecast:
Thu 2 am MSG
Thu 8 am 551.2
Thu 2 pm 551.5
Thu 8 pm 551.6
Fri 2 am 551.7
Fri 8 am 551.7
Fri 2 pm 551.6
Fri 8 pm 551.5
Sat 2 am 551.4
Sat 8 am 551.3
Sat 2 pm 551.2
Sat 8 pm MSG




&&

LAT...LON 4333 7549 4322 7522 4309 7533 4319 7553

$$

SND

6 follow-up statements

280 
WGUS41 KALY 191317
FLWALY

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Albany NY
917 AM EDT Thu Aug 19 2021


NYC065-200130-
/O.EXT.KALY.FL.W.0011.210819T1317Z-210821T2100Z/
/DDMN6.2.ER.210819T1025Z.210819T1800Z.210821T1500Z.NR/
917 AM EDT Thu Aug 19 2021

...Forecast flooding increased from Minor to Major severity and 
increased in duration until Saturday afternoon...

The Flood Warning continues for
  the Mohawk River At Delta Dam.
* From this morning to Saturday afternoon.
* At 8:45 AM EDT Thursday the stage was 552.3 feet.
* Flood stage is 551.5 feet.
* Minor flooding is occurring and moderate flooding is forecast. 
  This approaches the flood of record.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:45 AM EDT Thursday was 552.3 feet.
* Forecast...The river is expected to rise to a crest of 553.3 feet 
  this afternoon. It will then fall below flood stage late Saturday 
  morning.
* Impact...At 553.0 feet, moderate flood stage. There is flooding 
  downstream between the dam and Rome.
* Flood History...This crest compares to a previous crest of 553.3 
  feet on 05/24/2004.

&&


Mohawk River
Delta Dam
Flood Stage: 551.5
Observed Stage at Thu 8 am: 552.3
Forecast:
Thu 2 pm 553.3
Thu 8 pm 553.2
Fri 2 am 553.0
Fri 8 am 552.6
Fri 2 pm 552.3
Fri 8 pm 552.0
Sat 2 am 551.8
Sat 8 am 551.6
Sat 2 pm 551.4
Sat 8 pm 551.3
Sun 2 am 551.2




&&

LAT...LON 4333 7549 4322 7522 4309 7533 4319 7553

$$

bew

327 
WGUS81 KALY 192345
FLSALY

Flood Statement
National Weather Service Albany NY
745 PM EDT Thu Aug 19 2021


NYC065-201145-
/O.CON.KALY.FL.W.0011.000000T0000Z-210821T2100Z/
/DDMN6.3.ER.210819T1025Z.210819T2015Z.210821T1500Z.NR/
745 PM EDT Thu Aug 19 2021

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

The Flood Warning continues for
  the Mohawk River At Delta Dam.
* Until Saturday afternoon.
* At 6:45 PM EDT Thursday the stage was 553.7 feet.
* Flood stage is 551.5 feet.
* Moderate flooding is occurring and moderate flooding is forecast. 
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 6:45 PM EDT Thursday was 553.8 feet.
* Forecast...The river is expected to fall below flood stage late 
  Saturday morning and continue falling to 551.1 feet Sunday morning.
* Impact...At 553.0 feet, Moderate flood stage. There is flooding 
  downstream between the dam and Rome.
* Flood History...This crest compares to a previous crest of 553.3 
  feet on 05/24/2004.

&&


Mohawk River
Delta Dam
Flood Stage: 551.5
Observed Stage at Thu 645 pm: 553.7
Forecast:
Thu 8 pm 553.7
Fri 2 am 552.9
Fri 8 am 552.5
Fri 2 pm 552.3
Fri 8 pm 552.0
Sat 2 am 551.8
Sat 8 am 551.6
Sat 2 pm 551.4
Sat 8 pm 551.3
Sun 2 am 551.2
Sun 8 am 551.1





&&

LAT...LON 4333 7549 4322 7522 4309 7533 4319 7553

$$

TAW

280 
WGUS81 KALY 201046
FLSALY

Flood Statement
National Weather Service Albany NY
646 AM EDT Fri Aug 20 2021


NYC065-202300-
/O.EXT.KALY.FL.W.0011.000000T0000Z-210821T1800Z/
/DDMN6.3.ER.210819T1025Z.210819T2015Z.210821T1200Z.NR/
646 AM EDT Fri Aug 20 2021

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

The Flood Warning continues for
  the Mohawk River At Delta Dam.
* Until early tomorrow afternoon.
* At 5:45 AM EDT Friday the stage was 552.8 feet.
* Flood stage is 551.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 5:45 AM EDT Friday was 553.8 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow morning and continue falling to 550.8 feet early Monday 
  morning.
* Impact...At 553.0 feet, Moderate flood stage. There is flooding 
  downstream between the dam and Rome.

&&


Mohawk River
Delta Dam
Flood Stage: 551.5
Observed Stage at Fri 5 am: 552.8
Forecast:
Fri 8 am 552.6
Fri 2 pm 552.2
Fri 8 pm 551.9
Sat 2 am 551.7
Sat 8 am 551.5
Sat 2 pm 551.3
Sat 8 pm 551.2
Sun 2 am 551.1
Sun 8 am 551.0
Sun 2 pm 550.9
Sun 8 pm 550.8
Mon 2 am 550.8




&&

LAT...LON 4333 7549 4322 7522 4309 7533 4319 7553

$$

DBT

953 
WGUS81 KALY 201911
FLSALY

Flood Statement
National Weather Service Albany NY
311 PM EDT Fri Aug 20 2021


NYC065-210715-
/O.CON.KALY.FL.W.0011.000000T0000Z-210821T1800Z/
/DDMN6.3.ER.210819T1025Z.210819T2015Z.210821T1200Z.NR/
311 PM EDT Fri Aug 20 2021

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

The Flood Warning continues for
  the Mohawk River At Delta Dam.
* Until early tomorrow afternoon.
* At 2:45 PM EDT Friday the stage was 552.2 feet.
* Flood stage is 551.5 feet.
* Minor flooding is occurring and minor flooding is forecast. This 
  approaches the flood of record.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 2:45 PM EDT Friday was 553.8 feet.
* Forecast...The river is expected to fall below flood stage 
  tomorrow morning and continue falling to 550.8 feet Monday morning.
* Impact...At 552 feet, Two feet of water are spilling over and 
  there is minor flooding of lowlands below Lake Delta.
* Flood History...This crest compares to a previous crest of 551.7 
  feet on 04/05/2011.

&&


Mohawk River
Delta Dam
Flood Stage: 551.5
Observed Stage at Fri 2 pm: 552.2
Forecast:
Fri 8 pm 551.9
Sat 2 am 551.7
Sat 8 am 551.5
Sat 2 pm 551.3
Sat 8 pm 551.2
Sun 2 am 551.1
Sun 8 am 551.0
Sun 2 pm 550.9
Sun 8 pm 550.8
Mon 2 am 550.8
Mon 8 am 550.8




&&

LAT...LON 4333 7549 4322 7522 4309 7533 4319 7553

$$

TAW

882 
WGUS81 KALY 210703
FLSALY

Flood Statement
National Weather Service Albany NY
303 AM EDT Sat Aug 21 2021


NYC065-212100-
/O.EXT.KALY.FL.W.0011.000000T0000Z-210821T2100Z/
/DDMN6.3.ER.210819T1025Z.210819T2015Z.210821T1200Z.NR/
303 AM EDT Sat Aug 21 2021

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

The Flood Warning continues for
  the Mohawk River At Delta Dam.
* Until late this afternoon.
* At 2:45 PM EDT Friday the stage was 552.2 feet.
* Flood stage is 551.5 feet.
* Minor flooding is occurring and minor flooding is forecast. This 
  approaches the flood of record.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 2:45 PM EDT Friday was 553.8 feet.
* Forecast...The river is expected to fall below flood stage this 
  morning and continue falling to 550.8 feet Monday morning.
* Impact...At 552.0 feet, Two feet of water are spilling over and 
  there is minor flooding of lowlands below Lake Delta.
* Flood History...This crest compares to a previous crest of 551.7 
  feet on 04/05/2011.

&&


Mohawk River
Delta Dam
Flood Stage: 551.5
Observed Stage at Fri 2 pm: 552.2
Forecast:
Sat 2 am 551.7
Sat 8 am 551.5
Sat 2 pm 551.3
Sat 8 pm 551.2
Sun 2 am 551.1
Sun 8 am 551.0
Sun 2 pm 550.9
Sun 8 pm 550.8
Mon 2 am 550.8
Mon 8 am 550.8




&&

LAT...LON 4333 7549 4322 7522 4309 7533 4319 7553

$$

ATE

288 
WGUS81 KALY 211350
FLSALY

Flood Statement
National Weather Service Albany NY
950 AM EDT Sat Aug 21 2021

NYC065-211500-
/O.CAN.KALY.FL.W.0011.000000T0000Z-210821T1350Z/
/DDMN6.3.ER.210819T1025Z.210819T2015Z.210821T1000Z.NR/
950 AM EDT Sat Aug 21 2021

...The Flood Warning for the Mohawk River At Delta Dam has been 
cancelled...

The Flood Warning is cancelled for
  the Mohawk River At Delta Dam.
* At 8:45 AM EDT Saturday the stage was 551.4 feet.
* Flood stage is 551.5 feet.
* Forecast...The river is expected to fall to 550.9 feet Monday 
  evening.

&&


Mohawk River
Delta Dam
Flood Stage: 551.5
Observed Stage at Sat 8 am: 551.4
Forecast:
Sat 2 pm 551.3
Sat 8 pm 551.2
Sun 2 am 551.2
Sun 8 am 551.2
Sun 2 pm 551.2
Sun 8 pm 551.1
Mon 2 am 551.1
Mon 8 am 551.0
Mon 2 pm 551.0
Mon 8 pm 550.9
Tue 2 am MSG




&&

LAT...LON 4333 7549 4322 7522 4309 7533 4319 7553

$$

KSL

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 19, 2:53 AM EDT	Areal Flood Advisory	ALY	Greene, Ulster	3 hr
Aug 19, 5:22 AM EDT	Tornado Warning	ALY	Columbia, Dutchess, Greene, Ulster	23 min
Aug 19, 9:21 AM EDT	Areal Flood Advisory	ALY	Fulton, Montgomery	116 min
Aug 19, 4:03 PM EDT	River Flood Warning	ALY	Hamilton	5 hr

Nearby

River Flood Warnings in New York, 2021 Every river flood warning in 2021

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.