Alert archive / New Hampshire / River Flood Warnings in 2021

River Flood Warning 3, NWS Gray, ME

July 30, 2021Merrimack County, New Hampshire

NWS Gray, ME issued this river flood warning at Jul 30, 2021, 6:10 AM EDT for Merrimack County, New Hampshire. It took effect at Jul 30, 2021, 6:30 AM EDT. It was in force for 24 hr.

The area

The outline as issued.

The facts

Issued: Jul 30, 2021, 6:10 AM EDT (10:10 UTC)
In effect from: Jul 30, 2021, 6:30 AM EDT
Expired: Jul 31, 2021, 6:00 AM EDT
In force: 24 hr
Issued by: NWS Gray, ME
Area: Storm-based polygon
Flood severity: Minor

County Merrimack County, NH

The radar

The Portland,ME radar (KGYX), 145 km from the middle of the area, began a volume at 10:10 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 Warner River at Davisville (DAVN3). The gauge peaked at 8.63 ft at Jul 30, 2021, 1:00 PM EDT.

Action stage: 6 ft
Minor stage: 8 ft
Moderate stage: 10 ft
Major stage: 12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01086000, 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.

417 
WGUS41 KGYX 301010
FLWGYX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Gray ME
610 AM EDT Fri Jul 30 2021

...The National Weather Service in Gray ME has issued a Flood 
Warning for the following rivers in New Hampshire...

  Warner River At Davisville affecting Merrimack County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 615 PM EDT.

&&


NHC013-302215-
/O.NEW.KGYX.FL.W.0003.210730T1030Z-210731T1000Z/
/DAVN3.1.ER.210730T1320Z.210730T1853Z.210731T0421Z.NO/
610 AM EDT Fri Jul 30 2021

The National Weather Service in Gray has issued a

* Flood Warning for
  the Warner River At Davisville.
* Until tomorrow morning.
* At 5:30 AM EDT Friday the stage was 7.2 feet.
* Flood stage is 8.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this morning to a crest of 8.2 feet this afternoon. It will then 
  fall below flood stage just after midnight tonight.
* Impact...At 6.5 feet, Lowland flooding begins. Bagley Park soccer 
  fields begin to flood.
* Impact...At 8.0 feet, Lowland flooding occurs from Bradford to 
  Davisville. Bagley Park soccer fields flooded to a depth of 1.5 
  feet.


&&

LAT...LON 4329 7197 4336 7193 4326 7168 4322 7173

$$

MBC

4 follow-up statements

895 
WGUS81 KGYX 301533
FLSGYX

Flood Statement
National Weather Service Gray ME
1133 AM EDT Fri Jul 30 2021

...The Flood Warning is extended for the following rivers in New 
Hampshire...

  Warner River At Davisville affecting Merrimack County.

  Suncook River At North Chichester affecting Merrimack County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

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 evening at 1145 PM EDT.

&&


NHC013-310345-
/O.EXT.KGYX.FL.W.0003.000000T0000Z-210731T1800Z/
/DAVN3.1.ER.210730T1120Z.210730T1800Z.210731T1200Z.NO/
1133 AM EDT Fri Jul 30 2021

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

The Flood Warning continues for
  the Warner River At Davisville.
* Until early tomorrow afternoon.
* At 10:30 AM EDT Friday the stage was 8.6 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:30 AM EDT Friday was 8.6 feet.
* Forecast...The river is expected to rise to a crest of 8.7 feet 
  this afternoon. It will then fall below flood stage tomorrow 
  morning.
* Impact...At 6.5 feet, Lowland flooding begins. Bagley Park soccer 
  fields begin to flood.
* Impact...At 8.0 feet, Lowland flooding occurs from Bradford to 
  Davisville. Bagley Park soccer fields flooded to a depth of 1.5 
  feet.
* Impact...At 10.0 feet, Route 114 in Bradford floods. In Warner, 
  West Joppa Road and Riverside Park flood.


&&

LAT...LON 4329 7197 4336 7193 4326 7168 4322 7173

$$

NHC013-310345-
/O.EXT.KGYX.FL.W.0002.000000T0000Z-210801T0130Z/
/NCHN3.1.ER.210730T0821Z.210731T0000Z.210731T1930Z.UU/
1133 AM EDT Fri Jul 30 2021

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

The Flood Warning continues for
  the Suncook River At North Chichester.
* Until late tomorrow evening.
* At 11:15 AM EDT Friday the stage was 8.6 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 11:15 AM EDT Friday was 8.6 feet.
* Forecast...The river is expected to rise to a crest of 9.1 feet 
  this evening. It will then fall below flood stage tomorrow 
  afternoon.
* Impact...At 7.0 feet, Flooding occurs at several camp sites at the 
  Lazy River Campground.
* Impact...At 9.0 feet, Flooding occurs at about 20 camp sites at 
  the Lazy River Campground. Flooding also begins at the Epsom 
  Valley Campground.
* Impact...At 10.0 feet, The lower section of the Lazy River 
  Campground floods. Two campsites at the Epsom Valley Campground 
  flood.


&&

LAT...LON 4341 7131 4336 7118 4309 7142 4316 7152

$$

JC

007 
WGUS81 KGYX 301953
FLSGYX

Flood Statement
National Weather Service Gray ME
353 PM EDT Fri Jul 30 2021

...The Flood Warning continues for the following rivers in New 
Hampshire...

  Warner River At Davisville affecting Merrimack County.

  Suncook River At North Chichester affecting Merrimack County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 400 AM EDT.

&&


NHC013-310800-
/O.CON.KGYX.FL.W.0003.000000T0000Z-210731T1800Z/
/DAVN3.1.ER.210730T1120Z.210730T1800Z.210731T1200Z.NO/
353 PM EDT Fri Jul 30 2021

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

The Flood Warning continues for
  the Warner River At Davisville.
* Until early tomorrow afternoon.
* At 10:30 AM EDT Friday the stage was 8.6 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:30 AM EDT Friday was 8.6 feet.
* Forecast...The river is expected to rise to a crest of 8.7 feet 
  this evening. It will then fall below flood stage tomorrow morning.
* Impact...At 6.5 feet, Lowland flooding begins. Bagley Park soccer 
  fields begin to flood.
* Impact...At 8.0 feet, Lowland flooding occurs from Bradford to 
  Davisville. Bagley Park soccer fields flooded to a depth of 1.5 
  feet.
* Impact...At 10.0 feet, Route 114 in Bradford floods. In Warner, 
  West Joppa Road and Riverside Park flood.


&&

LAT...LON 4329 7197 4336 7193 4326 7168 4322 7173

$$

NHC013-310800-
/O.CON.KGYX.FL.W.0002.000000T0000Z-210801T0130Z/
/NCHN3.1.ER.210730T0821Z.210731T0000Z.210731T1930Z.UU/
353 PM EDT Fri Jul 30 2021

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

The Flood Warning continues for
  the Suncook River At North Chichester.
* Until late tomorrow evening.
* At 11:15 AM EDT Friday the stage was 8.6 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 11:15 AM EDT Friday was 8.6 feet.
* Forecast...The river is expected to rise to a crest of 9.1 feet 
  this evening. It will then fall below flood stage tomorrow 
  afternoon.
* Impact...At 7.0 feet, Flooding occurs at several camp sites at the 
  Lazy River Campground.
* Impact...At 9.0 feet, Flooding occurs at about 20 camp sites at 
  the Lazy River Campground. Flooding also begins at the Epsom 
  Valley Campground.
* Impact...At 10.0 feet, The lower section of the Lazy River 
  Campground floods. Two campsites at the Epsom Valley Campground 
  flood.


&&

LAT...LON 4341 7131 4336 7118 4309 7142 4316 7152

$$

JC

667 
WGUS81 KGYX 310315
FLSGYX

Flood Statement
National Weather Service Gray ME
1115 PM EDT Fri Jul 30 2021

...The Flood Warning continues for the following rivers in New 
Hampshire...

  Warner River At Davisville affecting Merrimack County.

  Suncook River At North Chichester affecting Merrimack County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued Saturday morning at 1115 AM EDT.

&&


NHC013-311515-
/O.CON.KGYX.FL.W.0003.000000T0000Z-210731T1800Z/
/DAVN3.1.ER.210730T1120Z.210730T1800Z.210731T1200Z.NO/
1115 PM EDT Fri Jul 30 2021

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

The Flood Warning continues for
  the Warner River At Davisville.
* Until early tomorrow afternoon.
* At 10:30 AM EDT Friday the stage was 8.6 feet.
* Flood stage is 8.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:30 AM EDT Friday was 8.6 feet.
* Forecast...The river is expected to rise to a crest of 8.7 feet 
  this afternoon. It will then fall below flood stage tomorrow 
  morning.
* Impact...At 6.5 feet, Lowland flooding begins. Bagley Park soccer 
  fields begin to flood.
* Impact...At 8.0 feet, Lowland flooding occurs from Bradford to 
  Davisville. Bagley Park soccer fields flooded to a depth of 1.5 
  feet.
* Impact...At 10.0 feet, Route 114 in Bradford floods. In Warner, 
  West Joppa Road and Riverside Park flood.


&&

LAT...LON 4329 7197 4336 7193 4326 7168 4322 7173

$$

NHC013-311515-
/O.CON.KGYX.FL.W.0002.000000T0000Z-210801T0130Z/
/NCHN3.1.ER.210730T0821Z.210731T0000Z.210731T1930Z.UU/
1115 PM EDT Fri Jul 30 2021

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

The Flood Warning continues for
  the Suncook River At North Chichester.
* Until late tomorrow evening.
* At 11:15 AM EDT Friday the stage was 8.6 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 11:15 AM EDT Friday was 8.6 feet.
* Forecast...The river is expected to rise to a crest of 9.1 feet 
  this evening. It will then fall below flood stage tomorrow 
  afternoon.
* Impact...At 7.0 feet, Flooding occurs at several camp sites at the 
  Lazy River Campground.
* Impact...At 9.0 feet, Flooding occurs at about 20 camp sites at 
  the Lazy River Campground. Flooding also begins at the Epsom 
  Valley Campground.
* Impact...At 10.0 feet, The lower section of the Lazy River 
  Campground floods. Two campsites at the Epsom Valley Campground 
  flood.


&&

LAT...LON 4341 7131 4336 7118 4309 7142 4316 7152

$$

mle

870 
WGUS81 KGYX 310818
FLSGYX

Flood Statement
National Weather Service Gray ME
418 AM EDT Sat Jul 31 2021

...The Flood Warning is cancelled for the following rivers in New 
Hampshire...

  Warner River At Davisville affecting Merrimack County.

...The Flood Warning continues for the following rivers in New 
Hampshire...

  Suncook River At North Chichester affecting Merrimack County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued early this morning at 530 AM EDT.

&&


NHC013-310930-
/O.CAN.KGYX.FL.W.0003.000000T0000Z-210731T0818Z/
/DAVN3.1.ER.210730T1120Z.210730T1800Z.210731T0600Z.NO/
418 AM EDT Sat Jul 31 2021

...The Flood Warning for the Warner River At Davisville has been 
cancelled...

The Flood Warning is cancelled for
  the Warner River At Davisville.
* At 3:30 AM EDT Saturday the stage was 7.9 feet.
* Flood stage is 8.0 feet.
* Forecast...The river is expected to fall to 6.0 feet Monday 
  evening.


&&

LAT...LON 4329 7197 4336 7193 4326 7168 4322 7173

$$

NHC013-312030-
/O.EXT.KGYX.FL.W.0002.000000T0000Z-210731T2212Z/
/NCHN3.1.ER.210730T0821Z.210731T0000Z.210731T1612Z.UU/
418 AM EDT Sat Jul 31 2021

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

The Flood Warning continues for
  the Suncook River At North Chichester.
* Until this evening.
* At 3:15 AM EDT Saturday the stage was 8.2 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 3:15 AM EDT Saturday was 8.8 feet.
* Forecast...The river is expected to fall below flood stage this 
  afternoon and continue falling to 4.4 feet Monday evening.
* Impact...At 7.0 feet, Flooding occurs at several camp sites at the 
  Lazy River Campground.
* Impact...At 9.0 feet, Flooding occurs at about 20 camp sites at 
  the Lazy River Campground. Flooding also begins at the Epsom 
  Valley Campground.
* Impact...At 10.0 feet, The lower section of the Lazy River 
  Campground floods. Two campsites at the Epsom Valley Campground 
  flood.


&&

LAT...LON 4341 7131 4336 7118 4309 7142 4316 7152

$$

MEC

The office that day

Everything else NWS Gray, ME issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 29, 8:35 PM EDT	Flash Flood Warning	GYX	Cheshire, Hillsborough, Merrimack, Sullivan	6 hr
Jul 29, 8:58 PM EDT	Areal Flood Advisory	GYX	Belknap, Carroll, Grafton, Hillsborough, Merrimack, Rockingham and 2 more	4 hr
Jul 29, 9:14 PM EDT	Special Weather Statement	GYX	Hillsborough	46 min
Jul 29, 9:33 PM EDT	Flash Flood Warning	GYX	Belknap, Carroll, Grafton, Merrimack, Rockingham, Strafford and 1 more	5 hr
Jul 29, 9:57 PM EDT	Special Weather Statement	GYX	Rockingham, Strafford	48 min
Jul 29, 10:32 PM EDT	Flash Flood Warning	GYX	Cheshire, Hillsborough	3 hr
Jul 29, 10:36 PM EDT	Areal Flood Advisory	GYX	Hillsborough, Merrimack, Rockingham	3 hr
Jul 29, 10:58 PM EDT	Flash Flood Warning	GYX	Hillsborough, Rockingham	3 hr
Jul 30, 1:34 AM EDT	River Flood Warning	GYX	Merrimack	41 hr
Jul 30, 4:05 PM EDT	River Flood Warning	GYX	Merrimack	7 hr

Nearby

River Flood Warnings in New Hampshire, 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.