Alert archive / Nebraska / River Flood Warnings in 2016

River Flood Warning 2, NWS Cheyenne, WY

May 7, 2016Scotts Bluff County, Nebraska

NWS Cheyenne, WY issued this river flood warning at May 7, 2016, 1:15 PM MDT for Scotts Bluff County, Nebraska. It took effect at May 9, 2016, 12:00 PM MDT. It was in force for .

The area

The outline as issued.

The facts

Issued
May 7, 2016, 1:15 PM MDT (19:15 UTC)
In effect from
May 9, 2016, 12:00 PM MDT
Expired
May 8, 2016, 1:15 PM MDT
In force
Issued by
NWS Cheyenne, WY
Area
Storm-based polygon
Flood severity
Minor

County Scotts Bluff County, NE

The radar

The Cheyenne radar (KCYS), 112 km from the middle of the area, began a volume at 19:16 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 North Platte River near Henry (HENN1). The gauge peaked at 5.57 ft at May 9, 2016, 1:00 PM MDT.

actionminormoderate456705/0705/0805/09
Action stage
4.5 ft
Minor stage
5.5 ft
Moderate stage
6.5 ft
Major stage
7.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06674500, 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.

260 
WGUS45 KCYS 071915
FLWCYS
Bulletin - Immediate broadcast requested
Flood Warning
National Weather Service Cheyenne Wy
115 PM MDT SAT MAY 7 2016

...The National Weather Service in Cheyenne, Wy has issued a Flood 
Warning for the following rivers in Nebraska...

  North Platte River near Henry affecting Scotts Bluff County

...Forecast Flooding Changed from Minor to Moderate severity for the 
following rivers in Nebraska...

  North Platte River near Scotts Bluff County

.Hydrologic Summary...The combination of upstream reservior resleases 
due to mountain snowmelt in southeast Wyoming in addition to heavy
rainfall from thunderstorms recently will result in a continuation
of rising river levels through this weekend. River levels may stay
elevated into early next week as well.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded areas. Move to higher ground. The water 
may deep enough to float you and your vehicle. Turn around, don't 
drown.

The next statement will be issued this evening. 

&&

NEC157-081915-
/O.NEW.KCYS.FL.W.0002.160509T1800Z-000000T0000Z/
/HENN1.1.ER.160509T1800Z.160510T0600Z.000000T0000Z.NR/
115 PM MDT SAT MAY 7 2016

The National Weather Service in Cheyenne has issued a 

* Flood Warning for 
  The North Platte River near Henry.
* from Monday morning until further notice.
* Forecast...The stage is forecast to rise above a flood stage of 5.5
  feet by early Monday...and continue to rise to near 5.7 feet 
  on Tuesday.
* Impact...at 5.5 feet...Flood stage. Minor lowland flooding occurs. 
  Homes along the North Platte River will have water in their 
  basements.
* Flood history...This crest compares to a previous crest of 5.7 feet 
  on Jun 12 1995.

&&

LAT...LON 4208 10415 4194 10416 4187 10396 4203 10396


$$

NEC157-081915-
/O.CON.KCYS.FL.W.0001.160508T0600Z-000000T0000Z/
/MICN1.2.ER.160508T0600Z.160510T1200Z.000000T0000Z.NR/
115 PM MDT SAT MAY 7 2016

...Forecast flooding increased from Minor to Moderate severity..
.
The Flood Warning continues for 
 The North Platte River near Mitchell until further notice.
* Forecast...The stage is forecast to rise above flood stage late 
  tonight and early tomorrow.
* The stage will crest around 9.0 feet by late Monday night and 
  Tuesday morning.
* Impact...at 9.5 feet...Major flooding occurs across southern 
  portions of Scottsbluff. Major flooding of homes and agricultural 
  land occurs near the river. 
* Flood history...This crest compares to a previous crest of 9.0 feet 
  on Jun 20 2010.

&&

LAT...LON 4187 10396 4203 10396 4197 10371 4187 10356
      4176 10356                  

$$
1 follow-up statement
935 
WGUS85 KCYS 080353
FLSCYS
Flood Statement
National Weather Service Cheyenne Wy
953 PM MDT SAT MAY 7 2016

...The Flood Warning is cancelled for the following rivers in 
Nebraska...
 
  North Platte River near Henry affecting Scotts Bluff County

...The Flood Warning continues for the following rivers in Wyoming...
Nebraska...
 
  North Platte River near Orin affecting Converse County
  North Platte River near Mitchell affecting Scotts Bluff County

.Hydrologic Summary...The combination of upstream reservior releases
due to mountain snowmelt in southeast Wyoming and locally heavy
rainfall from thunderstorms during the past 24 hours will result
in rising river levels through the weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded areas. Move to higher ground. The water 
may deep enough to float you and your vehicle. Turn around, don't 
drown.

The next statement will be issued Sunday morning.

&&

WYC009-090353-
/O.EXT.KCYS.FL.W.0004.000000T0000Z-160510T0300Z/
/ORIW4.1.ER.160508T1000Z.160509T0600Z.160509T2100Z.NR/
953 PM MDT SAT MAY 7 2016

* Flood Warning continues for 
  The North Platte River near Orin
* The stage will rise above the flood stage of 8.0 feet at 04 AM 
  Sunday.
* The stage will crest near 8.5 feet at 12 AM Monday.
* The stage will fall below flood stage at 03 PM Monday.
* Impact...at 9.0 feet...Standing water occurs along roads between 
  farms along the left river bank. Water approaches the yard of a 
  home near the upstream bridge on left river bank. Water approaching
  bankfull along the right river bank.
* Flood history...This crest compares to a previous crest of 8.4 feet 
  on May 21 1973.

&&

LAT...LON 4270 10509 4254 10513 4258 10542 4271 10546
      4278 10524                  

$$

NEC157-080423-
/O.CAN.KCYS.FL.W.0002.000000T0000Z-160508T0353Z/
/HENN1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NR/
953 PM MDT SAT MAY 7 2016

* Flood Warning cancelled for 
  The North Platte River near Henry
* The stage will crest near 5.4 feet Monday, then remain steady near
  5.3 feet for the remainder of the week.
* Flood history...This crest compares to a previous crest of 5.2 feet 
  on Jun 14 1999.

&&

LAT...LON 4208 10415 4194 10416 4187 10396 4203 10396


$$

NEC157-090353-
/O.EXT.KCYS.FL.W.0001.160508T1200Z-000000T0000Z/
/MICN1.2.ER.160508T1200Z.160511T0000Z.000000T0000Z.NR/
953 PM MDT SAT MAY 7 2016

* Flood Warning continues for 
  The North Platte River near Mitchell
* The stage will rise above the flood stage of 7.5 feet at 06 AM 
  Sunday.
* The stage will crest near 8.7 feet at 06 PM Tuesday.
* Impact...at 8.5 feet...Monument Pathway in Scottsbluff is under 4 to 5
  feet of water along low lying areas. Low lying flooding intensifies
  at Riverside Park in Scottsbluff. Homes along the North Platte River
  from Mitchell to Scottsbluff are totally inundated with basement and
  overland flooding.
* Flood history...This crest compares to a previous crest of 8.5 feet 
  on May 26 1973.

&&

LAT...LON 4187 10396 4203 10396 4197 10371 4187 10356
      4176 10356                  

$$

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 7:37 PM MDTSpecial Weather StatementCYSBanner23 min
May 6, 8:08 PM MDTSpecial Weather StatementCYSScotts Bluff37 min
May 6, 8:28 PM MDTSpecial Weather StatementCYSScotts Bluff47 min
May 6, 9:03 PM MDTSpecial Weather StatementCYSMorrill42 min
May 6, 9:56 PM MDTRiver Flood WarningCYSScotts Bluff32 days

Nearby

River Flood Warnings in Nebraska, 2016Every river flood warning in 2016

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.