Alert archive / New Jersey / River Flood Warnings in 2021

River Flood Warning 74, NWS Philadelphia/Mount Holly

October 26, 2021Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Oct 26, 2021, 7:32 AM EDT for Somerset County, New Jersey. It took effect at Oct 26, 2021, 7:00 PM EDT. It was in force for 17 hr.

The area

The outline as issued.

The facts

Issued: Oct 26, 2021, 7:32 AM EDT (11:32 UTC)
In effect from: Oct 26, 2021, 7:00 PM EDT
Expired: Oct 27, 2021, 11:48 AM EDT
In force: 17 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Flood severity: Moderate

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 11:35 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 Millstone River at Blackwells Mills (BKWN4). The gauge peaked at 9.35 ft at Oct 27, 2021, 3:00 AM EDT.

Action stage: 7 ft
Minor stage: 9 ft
Moderate stage: 10 ft
Major stage: 15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01402000, 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.

647 
WGUS41 KPHI 261132
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
732 AM EDT Tue Oct 26 2021

...The National Weather Service in Mount Holly NJ has issued a Flood 
Warning for the following rivers in New Jersey...

  Millstone River At Blackwells Mills affecting Somerset County.

For the Millstone River...including Blackwells Mills...Moderate 
flooding is forecast.

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/phi.


NJC035-262345-
/O.NEW.KPHI.FL.W.0074.211026T2300Z-211028T0920Z/
/BKWN4.2.ER.211026T2300Z.211027T1200Z.211028T0320Z.NO/
732 AM EDT Tue Oct 26 2021

The National Weather Service in Mount Holly has issued a

* Flood Warning for
  the Millstone River At Blackwells Mills.
* From this evening to early Thursday morning.
* At 7:15 AM EDT Tuesday the stage was 5.8 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  evening to a crest of 10.4 feet tomorrow morning. It will then 
  fall below flood stage late tomorrow evening.
* Impact...At 6.0 feet, The Griggstown Causeway is closed due to 
  flooding.
* Impact...At 7.0 feet, Several more causeways are closed due to 
  flooding.
* Impact...At 9.0 feet, Flood stage reached with flooding now along 
  River Road in Blackwells Mills and S. River Street in Millstone. 
  Base of Route 533 bridge floods. River Road between Yorktown and 
  Amsterdam is subject to closure. Canal Road near Suydam Road 
  floods.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Flood History...This crest compares to a previous crest of 10.5 
  feet on 03/22/1999.

&&


Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Millstone River
Blackwells Mill 9.0   5.8  Tue 7 am   10.4 7.5        10.4 8am 10/27





&&

LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456

$$

CMS

5 follow-up statements

397 
WGUS81 KPHI 261955
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
355 PM EDT Tue Oct 26 2021

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

  North Branch Raritan River At Raritan affecting Somerset County.

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

  Millstone River At Blackwells Mills affecting Somerset County.

  Raritan River At Manville affecting Somerset and Middlesex 
  Counties.

  Raritan River At Bound Brook affecting Somerset and Middlesex 
  Counties.

For the Millstone River...moderate flooding is forecast.  For the 
Raritan River...minor flooding is forecast.

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/phi.


NJC035-270800-
/O.EXT.KPHI.FL.W.0076.000000T0000Z-211027T0800Z/
/RRTN4.1.ER.211026T2116Z.211027T0000Z.211027T0124Z.NO/
355 PM EDT Tue Oct 26 2021

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

The Flood Warning continues for
  the North Branch Raritan River At Raritan.
* Until late tonight.
* At 3:30 PM EDT Tuesday the river level was 9.7 feet.
* Flood stage is 10.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this afternoon to a crest of 10.4 feet this evening. It will then 
  fall below flood stage tonight.
* Impact...At 7.0 feet, Minor flooding begins upstream on Black 
  River Road.
* Impact...At 10.0 feet, Flooding occurs along Old York Road and in 
  North Branch Village.
* Flood History...This crest compares to a previous crest of 10.3 
  feet on 04/03/2005.

&&


Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

North Branch Rar
Raritan         10.0  9.7  Tue 3 pm   4.7  3.6        10.4 8pm 10/26





&&

LAT...LON 4063 7470 4062 7463 4058 7464 4054 7471

$$

NJC035-270800-
/O.EXT.KPHI.FL.W.0074.211026T2327Z-211028T0900Z/
/BKWN4.2.ER.211026T2327Z.211027T1200Z.211028T0300Z.NO/
355 PM EDT Tue Oct 26 2021

...The Flood Warning is now in effect until early Thursday morning...

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* From this evening to early Thursday morning.
* At 3:15 PM EDT Tuesday the river level was 8.2 feet.
* Flood stage is 9.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  evening to a crest of 10.4 feet Wednesday morning. It will then 
  fall below flood stage late Wednesday evening.
* Impact...At 9.0 feet, Flood stage is reached with flooding along 
  River Road in Blackwells Mills and South River Street in 
  Millstone. The base of the Route 533 bridge floods. River Road 
  between Yorktown and Amsterdam is subject to closure. Canal Road 
  near Suydam Road floods.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Flood History...This crest compares to a previous crest of 10.5 
  feet on 03/22/1999.

&&


Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Millstone River
Blackwells Mill 9.0   8.2  Tue 3 pm   10.2 6.5        10.4 8am 10/27





&&

LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456

$$

NJC023-035-270700-
/O.EXT.KPHI.FL.W.0077.211026T2332Z-211027T0700Z/
/MNVN4.1.ER.211026T2332Z.211027T0000Z.211027T0045Z.NO/
355 PM EDT Tue Oct 26 2021

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

The Flood Warning continues for
  the Raritan River At Manville.
* From this evening to late tonight.
* At 3:15 PM EDT Tuesday the river level was 12.1 feet.
* Flood stage is 14.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  evening to a crest of 14.2 feet. It will then fall below flood 
  stage tonight.
* Impact...At 12.0 feet, Roads and trails flood within Dukes Park.
* Impact...At 13.0 feet, Southside Avenue in Somerville floods.
* Impact...At 15.0 feet, Dukes Parkway begins to flood in 
  Hillsborough.
* Flood History...This crest compares to a previous crest of 14.3 
  feet on 01/28/1996.

&&


Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Raritan River
Manville        14.0  12.1 Tue 3 pm   10.1 6.2        14.2 8pm 10/26





&&

LAT...LON 4058 7464 4057 7456 4052 7456 4054 7471

$$

NJC023-035-270800-
/O.EXT.KPHI.FL.W.0078.211027T0000Z-211027T1700Z/
/BDKN4.1.ER.211027T0000Z.211027T0600Z.211027T1030Z.NO/
355 PM EDT Tue Oct 26 2021

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

The Flood Warning continues for
  the Raritan River At Bound Brook.
* From this evening to early tomorrow afternoon.
* At 3:15 PM EDT Tuesday the river level was 26.5 feet.
* Flood stage is 28.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  evening to a crest of 28.3 feet just after midnight. It will then 
  fall below flood stage Wednesday morning.
* Impact...At 28.0 feet, Backyard and low areas are protected by 
  levees and the flood wall. Without the levees or if there is a 
  breach in the levees, minor flooding will occur.
* Flood History...This crest compares to a previous crest of 28.4 
  feet on 03/22/1999.

&&


Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Raritan River
Bound Brook     28.0  26.5 Tue 3 pm   27.0 22.3       28.3 2am 10/27





&&

LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456

$$

Iovino

279 
WGUS81 KPHI 270146
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
946 PM EDT Tue Oct 26 2021

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

  Raritan River At Manville affecting Somerset and Middlesex 
  Counties.

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

  Raritan River At Bound Brook affecting Somerset and Middlesex 
  Counties.

  Millstone River At Blackwells Mills affecting Somerset County.

For the Millstone River...moderate flooding is forecast.  For the 
Raritan River...minor flooding is forecast.

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/phi.


NJC023-035-271400-
/O.EXT.KPHI.FL.W.0078.000000T0000Z-211027T1500Z/
/BDKN4.1.ER.211027T0339Z.211027T0600Z.211027T0900Z.NO/
946 PM EDT Tue Oct 26 2021

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

The Flood Warning continues for
  the Raritan River At Bound Brook.
* Until late tomorrow morning.
* At 9:15 PM EDT Tuesday the river level was 27.6 feet.
* Flood stage is 28.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  overnight to a crest of 28.4 feet. It will then fall below flood 
  stage early on Wednesday morning.
* Impact...At 28.0 feet, Backyard and low areas are protected by 
  levees and the flood wall. Without the levees or if there is a 
  breach in the levees, minor flooding will occur.
* Flood History...This crest compares to a previous crest of 28.4 
  feet on 03/07/2011.

&&


Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Raritan River
Bound Brook     28.0  27.6 Tue 9 pm   25.7 21.5       28.4 2am 10/27





&&

LAT...LON 4057 7456 4056 7448 4049 7438 4045 7442
      4051 7452 4052 7456

$$

NJC023-035-271030-
/O.EXT.KPHI.FL.W.0077.000000T0000Z-211027T1030Z/
/MNVN4.1.ER.211027T0202Z.211027T0400Z.211027T0430Z.NO/
946 PM EDT Tue Oct 26 2021

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

The Flood Warning continues for
  the Raritan River At Manville.
* Until tomorrow morning.
* At 9:15 PM EDT Tuesday the river level was 14.0 feet.
* Flood stage is 14.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  overnight to a crest of 14.1 feet. It will then fall below flood 
  stage early on Wednesday morning.
* Impact...At 11.0 feet, Inundation begins in Dukes Park in Manville.
* Impact...At 12.0 feet, Roads and trails flood within Dukes Park.
* Impact...At 13.0 feet, Southside Avenue in Somerville floods.
* Impact...At 15.0 feet, Dukes Parkway begins to flood in 
  Hillsborough.
* Flood History...This crest compares to a previous crest of 14.0 
  feet on 12/01/2020.

&&


Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Raritan River
Manville        14.0  14.0 Tue 9 pm   8.7  6.0        14.1 12am 10/27





&&

LAT...LON 4058 7464 4057 7456 4052 7456 4054 7471

$$

NJC035-271400-
/O.EXT.KPHI.FL.W.0074.000000T0000Z-211028T0800Z/
/BKWN4.2.ER.211026T2305Z.211027T1200Z.211028T0200Z.NO/
946 PM EDT Tue Oct 26 2021

...The Flood Warning is now in effect until early Thursday morning...

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until early Thursday morning.
* At 9:15 PM EDT Tuesday the river level was 9.2 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:15 PM EDT Tuesday was 9.2 feet.
* Forecast...The river is expected to rise to a crest of 10.2 feet 
  Wednesday morning. It will then fall below flood stage late 
  Wednesday evening.
* Impact...At 6.0 feet, The Griggstown Causeway is closed due to 
  flooding.
* Impact...At 7.0 feet, Several more causeways are closed due to 
  flooding.
* Impact...At 9.0 feet, Flooding along River Road in Blackwells 
  Mills and South River Street in Millstone. The base of the Route 
  533 bridge floods. River Road between Yorktown and Amsterdam is 
  subject to closure. Canal Road near Suydam Road floods.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Flood History...This crest compares to a previous crest of 10.5 
  feet on 03/22/1999.

&&


Stream          Fld   Observed        Fcsts (10 pm)       Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Millstone River
Blackwells Mill 9.0   9.2  Tue 9 pm   9.0  5.3        10.2 8am 10/27





&&

LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456

$$

Iovino

410 
WGUS81 KPHI 270807
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
407 AM EDT Wed Oct 27 2021

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

  Millstone River At Blackwells Mills affecting Somerset County.

For the Millstone River...including Blackwells Mills...Minor 
flooding is forecast.

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/phi.


NJC035-272015-
/O.CON.KPHI.FL.W.0074.000000T0000Z-211028T0800Z/
/BKWN4.1.ER.211026T2305Z.211027T1800Z.211028T0200Z.NO/
407 AM EDT Wed Oct 27 2021

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

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until late tonight.
* At 3:15 AM EDT Wednesday the stage was 9.4 feet.
* Flood stage is 9.0 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 Wednesday was 9.4 feet.
* Forecast...The river is expected to rise to a crest of 9.7 feet 
  this afternoon. It will then fall below flood stage late this 
  evening.
* Impact...At 6.0 feet, The Griggstown Causeway is closed due to 
  flooding.
* Impact...At 7.0 feet, Several more causeways are closed due to 
  flooding.
* Impact...At 9.0 feet, Flood stage reached with flooding now along 
  River Road in Blackwells Mills and S. River Street in Millstone. 
  Base of Route 533 bridge floods. River Road between Yorktown and 
  Amsterdam is subject to closure. Canal Road near Suydam Road 
  floods.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Flood History...This crest compares to a previous crest of 9.7 
  feet on 05/11/1998.

&&


Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Millstone River
Blackwells Mill 9.0   9.4  Wed 3 am   8.4  4.3        9.7 2pm 10/27





&&

LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456

$$

SFJ

238 
WGUS81 KPHI 271417
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1017 AM EDT Wed Oct 27 2021

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

  Millstone River At Blackwells Mills affecting Somerset 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/phi.


NJC035-272015-
/O.EXT.KPHI.FL.W.0074.000000T0000Z-211027T2010Z/
/BKWN4.1.ER.211026T2305Z.211027T0745Z.211027T1410Z.NO/
1017 AM EDT Wed Oct 27 2021

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

The Flood Warning continues for
  the Millstone River At Blackwells Mills.
* Until late this afternoon.
* At 9:15 AM EDT Wednesday the stage was 9.1 feet.
* Flood stage is 9.0 feet.
* Minor flooding is occurring.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 9:15 AM EDT Wednesday was 9.4 feet.
* Forecast...The river is expected to fall to 7.1 feet Saturday 
  morning.
* Impact...At 6.0 feet, The Griggstown Causeway is closed due to 
  flooding.
* Impact...At 7.0 feet, Several more causeways are closed due to 
  flooding.
* Impact...At 9.0 feet, Flood stage reached with flooding now along 
  River Road in Blackwells Mills and S. River Street in Millstone. 
  Base of Route 533 bridge floods. River Road between Yorktown and 
  Amsterdam is subject to closure. Canal Road near Suydam Road 
  floods.
* Impact...At 10.0 feet, The D&R Canal is flooded by the Millstone 
  River.
* Flood History...This crest compares to a previous crest of 9.2 
  feet on 03/12/2011.

&&


Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Millstone River
Blackwells Mill 9.0   9.1  Wed 9 am   5.6  2.9           Crested   





&&

LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456

$$

Meola

794 
WGUS81 KPHI 271548
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1148 AM EDT Wed Oct 27 2021

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

  Millstone River At Blackwells Mills affecting Somerset County.

NJC035-271700-
/O.CAN.KPHI.FL.W.0074.000000T0000Z-211027T1548Z/
/BKWN4.1.ER.211026T2305Z.211027T0745Z.211027T1440Z.NO/
1148 AM EDT Wed Oct 27 2021

...The Flood Warning for the Millstone River At Blackwells Mills has 
been cancelled...

The Flood Warning is cancelled for
  the Millstone River At Blackwells Mills.
* At 11:15 AM EDT Wednesday the stage was 8.96 feet.
* Flood stage is 9.0 feet.
* Forecast...The river is expected to fall to 7.1 feet Saturday 
  morning.

&&


Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Thu  Fri        Stg Time Date

Millstone River
Blackwells Mill 9.0   9.0  Wed 11 a   4.6  2.7           Crested  





&&

LAT...LON 4045 7463 4048 7461 4055 7460 4054 7453
      4046 7454 4043 7456

$$

Meola

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 25, 8:26 PM EDT	Special Weather Statement	PHI	Mercer	34 min
Oct 25, 8:33 PM EDT	Special Weather Statement	PHI	Warren	42 min
Oct 25, 9:09 PM EDT	Special Weather Statement	PHI	Middlesex, Morris, Somerset	51 min
Oct 26, 1:22 AM EDT	Areal Flood Warning	PHI	Atlantic, Burlington, Cape May, Cumberland, Ocean	5 hr
Oct 26, 2:08 AM EDT	Flash Flood Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	4 hr
Oct 26, 3:08 AM EDT	Flash Flood Warning	PHI	Middlesex, Monmouth, Ocean	8 hr
Oct 26, 4:14 AM EDT	Flash Flood Warning	PHI	Hunterdon, Middlesex, Morris, Somerset	4 hr
Oct 26, 5:22 AM EDT	Areal Flood Advisory	PHI	Morris, Sussex, Warren	2 hr
Oct 26, 6:09 AM EDT	Areal Flood Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	3 hr
Oct 26, 6:18 AM EDT	Areal Flood Warning	PHI	Hunterdon, Mercer, Middlesex, Somerset	13 hr
Oct 26, 7:15 AM EDT	Areal Flood Warning	PHI	Monmouth, Ocean	5 hr
Oct 26, 7:38 AM EDT	Areal Flood Warning	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	37 hr
Oct 26, 8:07 AM EDT	Areal Flood Warning	PHI	Hunterdon, Middlesex, Morris, Somerset	12 hr
Oct 26, 8:18 AM EDT	River Flood Warning	PHI	Morris, Somerset	8 hr
Oct 26, 10:12 AM EDT	River Flood Warning	PHI	Somerset	11 hr
Oct 26, 10:12 AM EDT	River Flood Warning	PHI	Middlesex, Somerset	24 hr
Oct 26, 10:12 AM EDT	River Flood Warning	PHI	Middlesex, Somerset	33 hr
Oct 26, 10:50 AM EDT	Areal Flood Warning	PHI	Middlesex, Monmouth, Ocean	9 hr
Oct 26, 4:24 PM EDT	River Flood Warning	PHI	Morris	31 hr
Oct 26, 4:28 PM EDT	River Flood Warning	PHI	Morris, Passaic	29 hr
Oct 26, 4:39 PM EDT	River Flood Warning	PHI	Essex, Morris, Passaic	54 hr
Oct 26, 4:39 PM EDT	River Flood Warning	PHI	Essex, Passaic	42 hr

Nearby

River Flood Warnings in New Jersey, 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.