Alert archive / Nebraska / River Flood Warnings in 2015

River Flood Warning 2, NWS Omaha, NE

May 6, 2015Lancaster County, Nebraska

NWS Omaha, NE issued this river flood warning at May 6, 2015, 11:51 PM CDT for Lancaster County, Nebraska. It took effect at May 7, 2015, 12:33 AM CDT. It was in force for 29 hr.

The area

The outline as issued.

The facts

Issued
May 6, 2015, 11:51 PM CDT (04:51 UTC)
In effect from
May 7, 2015, 12:33 AM CDT
Expired
May 8, 2015, 5:48 AM CDT
In force
29 hr
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Flood severity
Minor

County Lancaster County, NE

The radar

The Omaha radar (KOAX), 60 km from the middle of the area, began a volume at 04:52 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 Salt Creek at Lincoln (27th Street) (LCNN1). The gauge peaked at 28.87 ft at May 7, 2015, 4:00 PM CDT.

actionminormoderatemajor10203005/0705/0805/09
Action stage
14 ft
Minor stage
20.5 ft
Moderate stage
26.5 ft
Major stage
29 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06803500, 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, in the capitals the NWS used until 2016.

682 
WGUS43 KOAX 070451
FLWOAX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1151 PM CDT WED MAY 6 2015

...The National Weather Service in omaha has issued a flood warning 
for the following river in Nebraska...

  Salt Creek At Lincoln affecting Lancaster County.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through areas where water covers the road.  The 
water depth may be too great to allow your vehicle to pass safely. 
Turn around...don't drown!

Additional information is available at:
http://www.water.weather.gov/ahps2/index.php?wfo=oax

&&

NEC109-071651-
/O.NEW.KOAX.FL.W.0002.150507T0533Z-150508T1048Z/
/LCNN1.1.ER.150507T0533Z.150507T0900Z.150507T1648Z.NO/
1151 PM CDT WED MAY 6 2015

The National Weather Service in Omaha has issued a
* Flood Warning for 
  The Salt Creek At Lincoln.
* until late Thursday night...or until the warning is cancelled.
* At  9:30 PM Wednesday the stage was 4.4 feet...or 16.1 feet below 
  flood stage.
* Flood stage is 20.5 feet.
* Minor flooding is forecast.
* Forecast...rise above flood stage by after midnight tomorrow and 
  continue to rise to near 24.8 feet by early tomorrow. The river will
  fall below flood stage by late tomorrow morning.
* Impact...at 26.5 feet...Significant flooding is occurring but it's 
  all contained within the levee structure along the reach.

&&

LAT...LON 4090 9665 4090 9658 4074 9669 4074 9672
      4081 9675                       

$$

Dewald
8 follow-up statements
031 
WGUS83 KOAX 070521
FLSOAX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1221 AM CDT THU MAY 7 2015

...The Flood Warning continues for the following river...

  Salt Creek At Lincoln affecting Lancaster County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through areas where water covers the road.  The 
water depth may be too great to allow your vehicle to pass safely. 
Turn around...don't drown!

Additional information is available at:
http://www.water.weather.gov/ahps2/index.php?wfo=oax

&&

NEC109-072021-
/O.EXT.KOAX.FL.W.0002.150507T0749Z-150508T1118Z/
/LCNN1.1.ER.150507T0749Z.150507T1200Z.150507T1718Z.NO/
1221 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Lincoln.
* until Friday morning...or until the warning is cancelled.
* At  9:30 PM Wednesday the stage was 4.4 feet...or 16.1 feet below 
  flood stage.
* Flood stage is 20.5 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by overnight and continue to rise
  to near 22.8 feet by this morning. The river will fall below flood 
  stage by this afternoon.
* Impact...at 20.5 feet...Overflows occur upstream of the levee 
  (Calvert Street and upstream) and downstream of the levee (just 
  below the railroad bridge near the gage).

&&

LAT...LON 4090 9665 4090 9658 4074 9669 4074 9672
      4081 9675                       

$$
039 
WGUS83 KOAX 070926
FLSOAX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
426 AM CDT THU MAY 7 2015

...The Flood Warning continues for the following river...

  Salt Creek At Lincoln affecting Lancaster County.

  Salt Creek At Greenwood affecting Cass County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through areas where water covers the road.  The 
water depth may be too great to allow your vehicle to pass safely. 
Turn around...don't drown!

Additional information is available at:
http://www.water.weather.gov/ahps2/index.php?wfo=oax

&&

NEC109-080026-
/O.EXT.KOAX.FL.W.0002.000000T0000Z-150508T1731Z/
/LCNN1.1.ER.150507T0828Z.150507T1800Z.150507T2331Z.NO/
426 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Lincoln.
* At  4:15 AM Thursday the stage was 22.9 feet...or 2.4 feet above 
  flood stage.
* Flood stage is 20.5 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue rising to near 24.0 feet by this
  afternoon. The river will fall below flood stage this evening.


&&

LAT...LON 4090 9665 4090 9658 4074 9669 4074 9672
      4081 9675                       

$$

NEC025-080026-
/O.EXT.KOAX.FL.W.0005.150507T1023Z-150509T1005Z/
/GRNN1.3.ER.150507T1023Z.150507T1800Z.150508T1605Z.NR/
426 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Greenwood.
* until late Friday night...or until the warning is cancelled.
* At 11:45 PM Wednesday the stage was 5.3 feet...or 14.7 feet below 
  flood stage.
* Flood stage is 20.0 feet.
* Record flooding is forecast.
* Forecast...Rise above flood stage by overnight and continue to rise
  to near 27.8 feet by this evening.the river will fall below flood 
  stage by late tomorrow morning.

&&

LAT...LON 4101 9644 4101 9641 4095 9643 4090 9658
      4090 9665                       

$$
399 
WGUS43 KOAX 071219
FLWOAX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
719 AM CDT THU MAY 7 2015

...The National Weather Service in Omaha has issued a flood warning 
for the following river in Nebraska...

  Wahoo Creek At Wahoo affecting Saunders County.

...Observed flooding changed from Minor to Moderate severity for the 
following river in Nebraska...
  Salt Creek At Lincoln affecting Lancaster County.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through areas where water covers the road.  The 
water depth may be too great to allow your vehicle to pass safely. 
Turn around...don't drown!

Additional information is available at:
http://www.water.weather.gov/ahps2/index.php?wfo=oax

&&

NEC109-080019-
/O.CON.KOAX.FL.W.0002.000000T0000Z-150508T1731Z/
/LCNN1.2.ER.150507T0828Z.150507T1201Z.150507T2331Z.NO/
719 AM CDT THU MAY 7 2015

...Observed flooding increased from Minor to Moderate severity...
 
The Flood Warning continues for the Salt Creek At Lincoln.
* At  7:01 AM Thursday the stage was 26.9 feet...or 6.4 feet 
  above flood stage.
* Flood stage is 20.5 feet.
* Moderate flooding is occurring.
* Forecast...the river is cresting now near 27 feet...and will 
  begin a slow fall to below flood stage this evening.
* Impact...at 26.5 feet...Significant flooding is occurring but 
  it is all contained within the levee structure along the reach.

&&

LAT...LON 4090 9665 4090 9658 4074 9669 4074 9672
      4081 9675                       

$$

NEC155-080019-
/O.NEW.KOAX.FL.W.0011.150507T1219Z-000000T0000Z/
/WOON1.2.ER.000000T0000Z.150507T1000Z.000000T0000Z.NO/
719 AM CDT THU MAY 7 2015

The National Weather Service in Omaha has issued a
* Flood Warning for 
  The Wahoo Creek At Wahoo.
* until further notice...or until the warning is cancelled.
* At 5:00 AM Thursday the stage was 24.2 feet...or 4.2 feet above 
  flood stage.
* Flood stage is 20.0 feet.


&&

LAT...LON 4120 9669 4121 9661 4119 9657 4118 9659
      4119 9662 4118 9668             

$$
873 
WGUS83 KOAX 071248
FLSOAX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
748 AM CDT THU MAY 7 2015

...The Flood Warning continues for the following river...

  Salt Creek at Roca affecting Lancaster County.

  Salt Creek At Lincoln affecting Lancaster County.

  Salt Creek At Greenwood affecting Cass County.

  Salt Creek At Ashland affecting Saunders County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through areas where water covers the road.  The 
water depth may be too great to allow your vehicle to pass safely. 
Turn around...don't drown!

Additional information is available at:
http://www.water.weather.gov/ahps2/index.php?wfo=oax

&&

NEC109-080348-
/O.EXT.KOAX.FL.W.0004.000000T0000Z-150508T2205Z/
/ROCN1.1.ER.150507T0731Z.150507T1116Z.150508T0405Z.NO/
748 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek at Roca.
* At  7:30 AM Thursday the stage was 21.5 feet...or 2.5 feet above 
  flood stage.
* Flood stage is 19.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to below flood stage by 
  tonight.
* Impact...at 21.5 feet...Widespread flooding is occurring along the 
  reach.

&&

LAT...LON 4074 9672 4074 9669 4066 9665 4065 9668


$$

NEC109-080347-
/O.EXT.KOAX.FL.W.0002.000000T0000Z-150508T2223Z/
/LCNN1.2.ER.150507T0828Z.150507T1800Z.150508T0423Z.NO/
748 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Lincoln.
* At  7:31 AM Thursday the stage was 27.0 feet...or 6.5 feet above 
  flood stage.
* Flood stage is 20.5 feet.
* Moderate flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 29.2 feet by 
  this afternoon. The river will fall below flood stage tonight.
* Impact...at 29.0 feet...The left bank levee top is overtopped
  about 200 yards downstream of the gage.

&&

LAT...LON 4090 9665 4090 9658 4074 9669 4074 9672
      4081 9675                       

$$

NEC025-080347-
/O.EXT.KOAX.FL.W.0005.000000T0000Z-150509T1352Z/
/GRNN1.3.ER.150507T0828Z.150508T0000Z.150508T1952Z.NR/
748 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Greenwood.
* At  7:15 AM Thursday the stage was 26.8 feet...or 6.8 feet above 
  flood stage.
* Flood stage is 20.0 feet.
* Record flooding is occurring and Record flooding is forecast.
* Forecast...The river will continue rising to near 28.6 feet by 
  this evening. The river will fall below flood stage early Friday 
  afternoon.


&&

LAT...LON 4101 9644 4101 9641 4095 9643 4090 9658
      4090 9665                       

$$

NEC155-080347-
/O.EXT.KOAX.FL.W.0010.000000T0000Z-150510T0149Z/
/ASDN1.2.ER.000000T0000Z.150508T0000Z.150509T0749Z.NO/
748 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Ashland.
* At  7:05 AM Thursday the stage was 18.0 feet...or 2.0 feet above 
  flood stage.
* Flood stage is 16.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 20.2 feet by
  this evening. The river will fall below flood stage early Saturday 
  morning.
* Impact...at 20.0 feet...Local levees are threatened with 
  overtopping, especially the right bank levee.

&&

LAT...LON 4104 9642 4106 9632 4104 9631 4101 9641
      4101 9644                       

$$
029 
WGUS83 KOAX 071449
FLSOAX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
949 AM CDT THU MAY 7 2015

...The Flood Warning continues for the following river...

  Salt Creek at Roca affecting Lancaster County.

  Salt Creek At Lincoln affecting Lancaster County.

  Salt Creek At Greenwood affecting Cass County.

  Salt Creek At Ashland affecting Saunders County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through areas where water covers the road.  The 
water depth may be too great to allow your vehicle to pass safely. 
Turn around...don't drown!

Additional information is available at:
http://www.water.weather.gov/ahps2/index.php?wfo=oax

&&

NEC109-080549-
/O.EXT.KOAX.FL.W.0004.000000T0000Z-150508T1936Z/
/ROCN1.1.ER.150507T0731Z.150507T1116Z.150508T0136Z.NO/
949 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek at Roca.
* At  9:31 AM Thursday the stage was 20.8 feet...or 1.8 feet above 
  flood stage.
* Flood stage is 19.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to below flood stage by 
  this evening.
* Impact...at 20.5 feet...Significant flooding occurs along portions 
  of the reach.

&&

LAT...LON 4074 9672 4074 9669 4066 9665 4065 9668


$$

NEC109-080549-
/O.EXT.KOAX.FL.W.0002.000000T0000Z-150508T2116Z/
/LCNN1.2.ER.150507T0828Z.150507T1800Z.150508T0316Z.NO/
949 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Lincoln.
* At  9:31 AM Thursday the stage was 27.3 feet...or 6.8 feet above 
  flood stage.
* Flood stage is 20.5 feet.
* Moderate flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 27.7 feet by this
  afternoon. The river will fall below flood stage tonight.
* Impact...at 26.5 feet...Significant flooding is occurring but it's 
  all contained within the levee structure along the reach.

&&

LAT...LON 4090 9665 4090 9658 4074 9669 4074 9672
      4081 9675                       

$$

NEC025-080548-
/O.EXT.KOAX.FL.W.0005.000000T0000Z-150509T1046Z/
/GRNN1.3.ER.150507T0828Z.150507T1800Z.150508T1646Z.NR/
949 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Greenwood.
* At  9:15 AM Thursday the stage was 27.2 feet...or 7.2 feet above 
  flood stage.
* Flood stage is 20.0 feet.
* Record flooding is occurring and Record flooding is forecast.
* Forecast...The river will continue rising to near 27.4 feet by this
  afternoon. The river will fall below flood stage late tomorrow 
  morning.


&&

LAT...LON 4101 9644 4101 9641 4095 9643 4090 9658
      4090 9665                       

$$

NEC155-080548-
/O.EXT.KOAX.FL.W.0010.000000T0000Z-150509T2225Z/
/ASDN1.2.ER.000000T0000Z.150508T0000Z.150509T0425Z.NO/
949 AM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Ashland.
* At  9:44 AM Thursday the stage was 19.2 feet...or 3.2 feet above 
  flood stage.
* Flood stage is 16.0 feet.
* Minor flooding is occurring and Moderate flooding is forecast.
* Forecast...The river will continue rising to near 20.0 feet by this
  evening. The river will fall below flood stage late tomorrow 
  evening.
* Impact...at 20.0 feet...Local levees are threatened with 
  overtopping, especially the right bank levee.

&&

LAT...LON 4104 9642 4106 9632 4104 9631 4101 9641
      4101 9644                       

$$

FOBERT
373 
WGUS83 KOAX 071853
FLSOAX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
153 PM CDT THU MAY 7 2015

...The Flood Warning continues for the following river...

  Wahoo Creek At Ithaca affecting Saunders County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through areas where water covers the road.  The 
water depth may be too great to allow your vehicle to pass safely. 
Turn around...don't drown!

Additional information is available at:
http://www.water.weather.gov/ahps2/index.php?wfo=oax

&&

NEC155-080953-
/O.EXT.KOAX.FL.W.0003.000000T0000Z-150509T0000Z/
/ITHN1.1.ER.150507T1236Z.150508T0000Z.150508T0600Z.NO/
153 PM CDT THU MAY 7 2015

The Flood Warning continues for
  The Wahoo Creek At Ithaca.
* At  1:15 PM Thursday the stage was 20.3 feet...or 1.3 feet above 
  flood stage.
* Flood stage is 19.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue rising to near 21.1 feet by this
  evening. The river will fall below flood stage after midnight 
  tomorrow.
* Impact...at 21.0 feet...Homes near the gage site may be threatened 
  with the flood waters.

&&

LAT...LON 4118 9659 4119 9657 4110 9644 4109 9646


$$
348 
WGUS83 KOAX 080147
FLSOAX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
847 PM CDT THU MAY 7 2015

...The Flood Warning is cancelled for the following river...

  Salt Creek at Roca affecting Lancaster County.

...The Flood Warning continues for the following river...

  Salt Creek At Lincoln affecting Lancaster County.

  Salt Creek At Greenwood affecting Cass County.

  Salt Creek At Ashland affecting Saunders County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through areas where water covers the road.  The 
water depth may be too great to allow your vehicle to pass safely. 
Turn around...don't drown!

Additional information is available at:
http://www.water.weather.gov/ahps2/index.php?wfo=oax

&&

NEC109-080217-
/O.CAN.KOAX.FL.W.0004.000000T0000Z-150508T2031Z/
/ROCN1.1.ER.150507T0731Z.150507T1116Z.150508T0101Z.NO/
847 PM CDT THU MAY 7 2015

The Flood Warning is cancelled for
  The Salt Creek at Roca.
* At  8:16 PM Thursday the stage was 18.96 feet...or just below
  flood stage and falling.
* Flood stage is 19.0 feet.
* Fell below flood stage at 8:01 PM Thursday.
* Forecast...The creek levels will continue to slowy fall through
  Friday.
* Impact...at 18.0 feet...Saltillo Road located 2.8 miles
  downstream of the gage near Highway 77 floods.

&&

LAT...LON 4074 9672 4074 9669 4066 9665 4065 9668


$$

NEC109-081647-
/O.EXT.KOAX.FL.W.0002.000000T0000Z-150509T0216Z/
/LCNN1.2.ER.150507T0828Z.150507T2101Z.150508T0816Z.NO/
847 PM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Lincoln.
* At  8:31 PM Thursday the stage was 27.0 feet...or 6.5 feet above 
  flood stage.
* Flood stage is 20.5 feet.
* Moderate flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to slowly fall to below
  flood stage by mid to late morning Friday. 

&&

LAT...LON 4090 9665 4090 9658 4074 9669 4074 9672
      4081 9675                       

$$

NEC025-081647-
/O.EXT.KOAX.FL.W.0005.000000T0000Z-150509T1422Z/
/GRNN1.3.ER.150507T0828Z.150507T1630Z.150508T2022Z.NR/
847 PM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Greenwood.
* At  8:15 PM Thursday the stage was 27.0 feet...or 7.0 feet above 
  flood stage.
* Flood stage is 20.0 feet.
* Record or near record flooding is occurring and Record or near 
  record flooding is forecast. 
* Forecast...the creek is expected to start falling overnight
  and drop below flood stage by late Friday afternoon or Friday
  evening. 
&&

LAT...LON 4101 9644 4101 9641 4095 9643 4090 9658
      4090 9665                       

$$

NEC155-081647-
/O.EXT.KOAX.FL.W.0010.000000T0000Z-150510T0010Z/
/ASDN1.2.ER.000000T0000Z.150508T0600Z.150509T0610Z.NO/
847 PM CDT THU MAY 7 2015

The Flood Warning continues for
  The Salt Creek At Ashland.
* At  3:10 PM Thursday the stage was 20.7 feet...or 4.7 feet above 
  flood stage.
* Flood stage is 16.0 feet.
* Moderate flooding is occurring and Moderate flooding is forecast.
* Forecast...The river appeared to be near its crest and should
  should start to fall Friday morning. It is expected to drop back
  below flood stage Friday night. 
* Impact...at 21.0 feet...Flood waters threaten traffic on Furnas 
  Street on the north side of town.

&&

LAT...LON 4104 9642 4106 9632 4104 9631 4101 9641
      4101 9644                       

$$

MILLER
122 
WGUS83 KOAX 081036
FLSOAX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
536 AM CDT FRI MAY 8 2015

...The Flood Warning is cancelled for the following river...

  Salt Creek At Lincoln affecting Lancaster County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive cars through areas where water covers the road.  The 
water depth may be too great to allow your vehicle to pass safely. 
Turn around...don't drown!

Additional information is available at:
http://www.water.weather.gov/ahps2/index.php?wfo=oax

&&

NEC109-081106-
/O.CAN.KOAX.FL.W.0002.000000T0000Z-150509T0216Z/
/LCNN1.2.ER.150507T0828Z.150507T2101Z.150508T0823Z.NO/
536 AM CDT FRI MAY 8 2015

The Flood Warning is cancelled for
  The Salt Creek At Lincoln.
* At  5:16 AM Friday the stage was 18.5 feet...or 2.0 feet below 
  flood stage.
* Flood stage is 20.5 feet.
* Fell below flood stage at  3:23 AM Friday.
* Forecast...The river will continue to fall to 5.4 feet by Saturday 
  morning.


&&

LAT...LON 4090 9665 4090 9658 4074 9669 4074 9672
      4081 9675                       

$$

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Omaha, NE wrote its last area forecast discussion before this river flood warning went out at May 6, 7:02 PM CDT, 4 hours 49 minutes earlier.

Area forecast discussion, May 6, 7:02 PM CDT, 4 hours 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
702 PM CDT WED MAY 6 2015

.SHORT TERM...(TONIGHT THROUGH SATURDAY)
ISSUED AT 306 PM CDT WED MAY 6 2015

SEVERE STORMS HAVE FIRED ACROSS NORTH CENTRAL KANSAS AND SOUTH
CENTRAL NEBRASKA THIS AFTERNOON ALONG A WARM FRONT THAT EXTENDS
EASTWARD FROM A SURFACE LOW ACROSS THE FRONT RANGE. UPPER TROUGH
MOVING THROUGH NORTH CENTRAL NEBRASKA HAD 30 TO 60 METER HEIGHT
FALLS ASSOCIATED WITH IT...COUPLED WITH A VERY MOIST ATMOSPHERE
WITH 1.2 TO 1.5 INCHES OF PW...SHOULD CONTINUE TO SEE STORMS
EXPAND EAST NORTHEAST THROUGH THE EVENING INTO EASTERN NEBRASKA
AND EVENTUALLY IN WESTERN IOWA AFTER MIDNIGHT. A TORNADO WATCH WAS
ISSUED FOR A SMALL PORTION OF OUR FORECAST AREA IN SOUTHEAST
NEBRASKA FOR ACTIVITY THAT MAY EVENTUALLY MOVE INTO THE AREA...AND
ADDITIONAL WATCHES MAY BE NEEDED THROUGH THE EVENING FURTHER NORTH
AND EAST FROM THE EXISTING WATCH...ESPECIALLY ACROSS EASTERN
NEBRASKA. MODEL QPFS ARE ALSO QUITE HEALTHY ACROSS A GOOD PORTION
OF THE AREA WITH 1 TO 2 INCHES FORECAST. WPC IS ALSO CONCERNED
WITH POSSIBLE TRAINING OF STORMS LATER IN THE EVENING WHICH COULD
ENHANCE RAINFALL TOTALS. FOR NOW WILL MENTION LOCALLY HEAVY
RAIN...BUT WILL HOLD OFF ON ANY WATCHES UNLESS AMOUNTS BECOME
EXCESSIVE.

LINGERING SHOWERS AND ISOLATED STORMS COULD OCCUR THURSDAY MORNING
AS THE WAVE CONTINUES TO EXIT THE REGION. THERE COULD ACTUALLY BE
A SEVERAL HOUR DRY PERIOD LATER THURSDAY MORNING AND AFTERNOON AS
A COLD FRONT BEGINS TO PUSH INTO THE AREA. TEMPS AHEAD OF THE
FRONT PUSH IN TO THE MID 70S...AND COULD DEVELOP STORMS AGAIN BY
MID TO LATE AFTERNOON ALONG THE FRONTAL BOUNDARY WITH SEVERE
STORMS POSSIBLE. STORMS THEN CONTINUE ALONG THE FRONT THURSDAY
EVENING AS IT CONTINUES TO MOVE ALONG/SOUTH OF I80. WILL HAVE TO
MONITOR FOR POTENTIAL HEAVY RAIN WITH THOSE STORMS AS WELL SINCE
RAINFALL WILL BE FALLING ALONG AND AREA THAT GETS A CONSIDERABLE
SOAKING TONIGHT.

THE FRONT THEN PUSHES SOUTH INTO KANSAS AND MISSOURI FOR FRIDAY
BUT THERE REMAINS A CHANCE OF SHOWERS ALONG THE KS/NE BORDER
REGION THAT COULD EVEN LINGER INTO SATURDAY.

.LONG TERM...(SATURDAY NIGHT THROUGH WEDNESDAY)
ISSUED AT 306 PM CDT WED MAY 6 2015

THE BEGINNING OF THE PERIOD SHOULD BE ACTIVE WITH ANOTHER STRONG
UPPER LOW MOVING OUT OF THE FOUR CORNERS REGION TO THE FRONT
RANGE...WHICH INDUCES LEE CYCLOGENESIS AND ANOTHER WARM FRONT
LIFTING NORTHWARD THROUGH THE AREA. THIS SHOULD RESULT IN
WIDESPREAD THUNDERSTORMS SATURDAY NIGHT WITH ADDITIONAL HEAVY
RAINFALL AND POTENTIAL SEVERE WEATHER. RAIN LINGERS INTO SUNDAY
MORNING AT LEAST. SUNDAY AFTERNOON IS PROBLEMATIC. WE WILL LIKELY
BE IN THE WARM SECTOR AHEAD OF THE FRONT...AND UNCERTAIN IF WE
WILL CONVECT ALONG IT...OR PERHAPS AHEAD OF IT EAST OF OUR AREA.
THEN DEFORMATION/WRAP AROUND PRECIP AFFECTS AT LEAST THE NORTHERN
FORECAST AREA SUNDAY NIGHT...WITH LINGERING SHOWERS ON MONDAY.

&&

.AVIATION...(00Z TAFS FOR KOFK...KLNK AND KOMA.)
ISSUED AT 647 PM CDT WED MAY 6 2015

REGIONAL RADAR SHOWING MVFR CONDITIONS/WIDESPREAD PCPN ACTIVITY
LIFTING ACROSS ERN NEB IN ASSOCIATION WITH A POTENT UPPER
DISTURBANCE PASSING THRU THE CNTRL PLAINS. EXPECT TSRA TO PREVAIL AT
ALL TAF SITES THRU THIS EVENING WITH SHRA THEN AFT MIDNIGHT TILL
ABOUT 12Z THURSDAY MORNING. LATEST MODELS INDICATE IFR CIGS WILL
BE POSSIBLE AT KOMA/KLNK BTWN 12Z-14Z THURSDAY MORNING...THEN LOW
END VFR CIGS THE REMAINDER OF THE FCST PD.

&&

.OAX WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
IA...NONE.
&&

SHORT TERM...DEWALD
LONG TERM...DEWALD
AVIATION...DEE
Hazardous weather outlook, May 6, 5:33 PM CDT, 6 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
533 PM CDT WED MAY 6 2015

NEZ065-066-078-088-089-071245-
SEWARD-LANCASTER-SALINE-JEFFERSON-GAGE-
533 PM CDT WED MAY 6 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
NEBRASKA.

.DAY ONE...TONIGHT AND THURSDAY

STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED THIS EVENING. LARGE
HAIL...DAMAGING WINDS...TORNADOES AND VERY HEAVY RAINFALL WILL BE
POSSIBLE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM.
THUNDERSTORMS CONTINUE OVERNIGHT AND TAPER OFF BY DAYBREAK
THURSDAY.

THERE SHOULD BE A BREAK IN THE WEATHER LATER THURSDAY MORNING AND
EARLY THURSDAY AFTERNOON...BUT ADDITIONAL STRONG AND POSSIBLY
SEVERE STORMS MAY DEVELOP LATE THURSDAY AFTERNOON AND CONTINUE
THROUGH THURSDAY EVENING AS A COLD FRONT MOVES INTO THE REGION.

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH WEDNESDAY

ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE FRIDAY AND SATURDAY...BUT
SEVERE STORMS ARE NOT EXPECTED DURING THIS TIME. MORE STORMS WITH
HEAVY RAIN AND POSSIBLE SEVERE WEATHER COULD OCCUR SATURDAY NIGHT
INTO SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED YET TONIGHT.

NEZ016-017-030>034-042>045-050>053-067-068-090>093-071245-
ANTELOPE-PIERCE-BOONE-MADISON-STANTON-CUMING-BURT-PLATTE-COLFAX-
DODGE-WASHINGTON-BUTLER-SAUNDERS-DOUGLAS-SARPY-CASS-OTOE-JOHNSON-
NEMAHA-PAWNEE-RICHARDSON-
533 PM CDT WED MAY 6 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
NEBRASKA...NORTHEAST NEBRASKA AND SOUTHEAST NEBRASKA.

.DAY ONE...TONIGHT AND THURSDAY

THUNDERSTORMS SHOULD INCREASE IN COVERAGE ACROSS THE REGION
TONIGHT. STRONG STORMS WILL BE POSSIBLE WITH LARGE HAIL AND
DAMAGING WINDS THE MAIN THREATS...BUT LOCALLY HEAVY RAINFALL WILL
ALSO BE POSSIBLE. STORMS CONTINUE OVERNIGHT AND TAPER OFF THURSDAY
MORNING.

THERE WILL LIKELY BE A BREAK IN THE WEATHER LATER THURSDAY MORNING
AND EARLY AFTERNOON...BUT ADDITIONAL STRONG AND POSSIBLY SEVERE
STORMS MAY DEVELOP LATE THURSDAY AFTERNOON AND CONTINUE THROUGH
THURSDAY EVENING AS A COLD FRONT MOVES INTO THE REGION...MAINLY
ALONG AND SOUTH OF INTERSTATE 80.

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH WEDNESDAY

ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE FRIDAY AND SATURDAY...BUT
SEVERE STORMS ARE NOT EXPECTED DURING THIS TIME. MORE STORMS WITH
HEAVY RAIN AND POSSIBLE SEVERE WEATHER COULD OCCUR SATURDAY NIGHT
INTO SUNDAY.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTERS MAY BE NEEDED YET TONIGHT.

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015-018-071245-
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE-KNOX-CEDAR-THURSTON-WAYNE-
533 PM CDT WED MAY 6 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA AND NORTHEAST NEBRASKA.

.DAY ONE...TONIGHT AND THURSDAY

THUNDERSTORMS SHOULD INCREASE IN COVERAGE ACROSS THE REGION TONIGHT.
LOCALLY HEAVY RAINFALL WILL WILL BE THE MAIN THREAT. STORMS
CONTINUE OVERNIGHT AND TAPER OFF THURSDAY MORNING.

THERE WILL LIKELY BE A BREAK IN THE WEATHER LATER THURSDAY MORNING
AND EARLY AFTERNOON...BUT ADDITIONAL STRONG AND POSSIBLY SEVERE
STORMS MAY DEVELOP LATE THURSDAY AFTERNOON AND CONTINUE THROUGH
THURSDAY EVENING AS A COLD FRONT MOVES INTO THE REGION...MAINLY
ALONG AND SOUTH OF INTERSTATE 80.

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH WEDNESDAY

ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE FRIDAY AND SATURDAY...BUT
SEVERE STORMS ARE NOT EXPECTED DURING THIS TIME. MORE STORMS WITH
HEAVY RAIN AND POSSIBLE SEVERE WEATHER COULD OCCUR SATURDAY NIGHT
INTO SUNDAY.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTERS WILL PROBABLY NOT BE NEEDED TONIGHT.

DEWALD

In the hours before

Local storm report, May 6, 11:10 PM CDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1110 PM CDT WED MAY 6 2015

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

1110 PM     FLASH FLOOD      2 SE LINCOLN            40.80N 96.66W
05/06/2015                   LANCASTER          NE   AMATEUR RADIO

            2 FEET OF WATER OVER ROAD.

&&

NWS OMAHA/VALLEY NE
IRIS SYSTEM
Local storm report, May 6, 11:12 PM CDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1112 PM CDT WED MAY 6 2015

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

1111 PM     HEAVY RAIN       3 SE LINCOLN            40.78N 96.65W
05/06/2015  M3.10 INCH       LANCASTER          NE   AMATEUR RADIO

&&

NWS OMAHA/VALLEY NE
IRIS SYSTEM
Local storm report, May 6, 11:23 PM CDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1123 PM CDT WED MAY 6 2015

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

1122 PM     HEAVY RAIN       1 E LINCOLN             40.81N 96.66W
05/06/2015  E4.40 INCH       LANCASTER          NE   AMATEUR RADIO

            AT 40TH AND O.

&&

NWS OMAHA/VALLEY NE
IRIS SYSTEM
Local storm report, May 6, 11:25 PM CDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1125 PM CDT WED MAY 6 2015

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

1115 PM     HAIL             2 N BENNET              40.71N 96.51W
05/06/2015  E1.00 INCH       LANCASTER          NE   AMATEUR RADIO

&&

NWS OMAHA/VALLEY NE
IRIS SYSTEM
Local storm report, May 6, 11:30 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1130 PM CDT WED MAY 6 2015

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

1129 PM     FLASH FLOOD      2 E LINCOLN             40.81N 96.65W
05/06/2015                   LANCASTER          NE   NEWSPAPER

            VEHICLE RESCUE IN PROGRESS DUE TO HIGH
            WATER.

1128 PM     FLASH FLOOD      1 WSW LINCOLN           40.81N 96.70W
05/06/2015                   LANCASTER          NE   NEWSPAPER

            WATER BUMPER DEEP AT 12TH AND O STREET.

1127 PM     HEAVY RAIN       6 SSE LINCOLN           40.74N 96.65W
05/06/2015  E4.46 INCH       LANCASTER          NE   AMATEUR RADIO

&&

NWS OMAHA/VALLEY NE
IRIS SYSTEM
Special weather statement, May 6, 11:40 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1140 PM CDT WED MAY 6 2015

NEZ065-066-078-088-089-070515-
JEFFERSON NE-SEWARD NE-GAGE NE-LANCASTER NE-SALINE NE-
1140 PM CDT WED MAY 6 2015

...SIGNIFICANT WEATHER ADVISORY FOR SALINE...NORTHERN JEFFERSON...
NORTHERN GAGE...LANCASTER AND SOUTHEASTERN SEWARD COUNTIES UNTIL 1215
AM CDT...

AT 1138 PM CDT...DOPPLER RADAR WAS TRACKING A CLUSTER OF STRONG
THUNDERSTORMS ACROSS SOUTHEAST NEBRASKA SOUTHWEST OF LINCOLN...
MOVING NORTHEAST AT 40 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THESE STORMS ALONG WITH HEAVY RAIN.

LOCATIONS IMPACTED INCLUDE...
LINCOLN...BEATRICE...CRETE...WILBER...HICKMAN...FRIEND...BENNET...
FIRTH...DORCHESTER...DE WITT...CORTLAND...PLYMOUTH...PANAMA...
WESTERN...CLATONIA...HALLAM...PICKRELL...ADAMS...ROCA AND DENTON.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 136 IN NEBRASKA NEAR MILE MARKER 157...AND BETWEEN MILE
MARKERS 166 AND 191.
 HIGHWAY 2 IN NEBRASKA BETWEEN MILE MARKERS 466 AND 472.
 HIGHWAY 77 IN NEBRASKA BETWEEN MILEMARKERS 22 AND 63.
 INTERSTATE 80 IN NEBRASKA NEAR MILE MARKER 397.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR SOUTHEASTERN
NEBRASKA.

LAT...LON 4015 9737 4064 9737 4091 9647 4026 9647
TIME...MOT...LOC 0438Z 215DEG 36KT 4044 9699

FOBERT

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 7:19 PM CDTSpecial Weather StatementOAXSaline41 min
May 6, 7:35 PM CDTTornado WarningOAXJefferson25 min
May 6, 7:43 PM CDTFlash Flood WatchOAXButler, Jefferson, Lancaster, Saline, Saunders, Seward8 hr
May 6, 7:55 PM CDTSevere Thunderstorm WarningOAXCass, Lancaster, Saline, Saunders, Seward50 min
May 6, 7:58 PM CDTTornado Warning Tornado observedOAXJefferson32 min
May 6, 8:22 PM CDTTornado WarningOAXSaline11 min
May 6, 8:33 PM CDTTornado WarningOAXLancaster27 min
May 6, 8:34 PM CDTFlash Flood WarningOAXJefferson, Saline4 hr
May 6, 8:41 PM CDTSpecial Weather StatementOAXSaline49 min
May 6, 8:46 PM CDTSevere Thunderstorm WarningOAXJefferson, Saline44 min
May 6, 9:08 PM CDTSpecial Weather StatementOAXSaunders52 min
May 6, 9:17 PM CDTSpecial Weather StatementOAXLancaster28 min
May 6, 9:34 PM CDTAreal Flood AdvisoryOAXGage, Lancaster, Saline, Seward3 hr
May 6, 9:35 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson40 min
May 6, 9:56 PM CDTFlash Flood WarningOAXGage, Lancaster, Saline, Seward3 hr
May 6, 10:21 PM CDTSevere Thunderstorm WarningOAXGage39 min
May 6, 10:22 PM CDTSpecial Weather StatementOAXLancaster23 min
May 6, 10:38 PM CDTTornado WarningOAXGage, Lancaster24 min
May 6, 10:53 PM CDTTornado WarningOAXGage, Jefferson37 min
May 6, 11:00 PM CDTTornado WarningOAXGage, Lancaster, Otoe30 min
May 6, 11:21 PM CDTRiver Flood WarningOAXSaline63 hr
May 6, 11:21 PM CDTSevere Thunderstorm WarningOAXCass, Otoe39 min
May 6, 11:39 PM CDTAreal Flood AdvisoryOAXCass, Douglas, Sarpy, Saunders3 hr
May 6, 11:40 PM CDTSpecial Weather StatementOAXGage, Lancaster, Saline35 min
May 7, 12:02 AM CDTSpecial Weather StatementOAXCass, Douglas, Otoe, Sarpy43 min
May 7, 12:20 AM CDTRiver Flood WarningOAXSaunders45 hr
May 7, 12:20 AM CDTRiver Flood WarningOAXLancaster32 hr
May 7, 12:20 AM CDTRiver Flood WarningOAXCass47 hr
May 7, 12:28 AM CDTFlash Flood WarningOAXGage, Jefferson, Lancaster, Saline, Seward7 hr
May 7, 12:42 AM CDTSpecial Weather StatementOAXSeward33 min
May 7, 12:56 AM CDTSpecial Weather StatementOAXCass, Otoe34 min
May 7, 12:58 AM CDTRiver Flood WarningOAXGage4 days
May 7, 12:58 AM CDTRiver Flood WarningOAXGage4 days
May 7, 1:00 AM CDTRiver Flood WarningOAXJefferson71 hr
May 7, 1:51 AM CDTAreal Flood AdvisoryOAXSaunders6 hr
May 7, 2:32 AM CDTAreal Flood AdvisoryOAXButler, Lancaster, Saline, Saunders, Seward6 hr
May 7, 2:38 AM CDTAreal Flood AdvisoryOAXCass, Douglas, Sarpy, Saunders6 hr
May 7, 4:02 AM CDTRiver Flood WarningOAXSaline4 days
May 7, 4:25 AM CDTRiver Flood WarningOAXSaunders61 hr
May 7, 5:14 AM CDTAreal Flood WarningOAXSaunders6 hr
May 7, 7:19 AM CDTRiver Flood WarningOAXSaunders7 days
May 7, 7:27 AM CDTAreal Flood WarningOAXGage, Jefferson, Lancaster, Saline12 hr
May 7, 8:25 AM CDTAreal Flood AdvisoryOAXButler, Lancaster, Saline, Saunders, Seward9 hr
May 7, 8:30 AM CDTAreal Flood AdvisoryOAXCass, Douglas, Sarpy, Saunders5 hr
May 7, 9:46 AM CDTRiver Flood WarningOAXOtoe50 hr
May 7, 9:46 AM CDTRiver Flood WarningOAXNemaha61 hr
May 7, 9:46 AM CDTRiver Flood WarningOAXRichardson66 hr
May 7, 10:33 AM CDTRiver Flood WarningOAXCass54 hr
May 7, 2:13 PM CDTSpecial Weather StatementOAXJohnson17 min
May 7, 2:32 PM CDTSpecial Weather StatementOAXJohnson28 min
May 7, 2:42 PM CDTSpecial Weather StatementOAXGage48 min
May 7, 2:50 PM CDTSevere Thunderstorm WarningOAXGage25 min
May 7, 3:28 PM CDTSpecial Weather StatementOAXNemaha32 min
May 7, 3:49 PM CDTSpecial Weather StatementOAXGage41 min
May 7, 4:27 PM CDTSpecial Weather StatementOAXNemaha33 min
May 7, 4:37 PM CDTSpecial Weather StatementOAXPawnee53 min
May 7, 5:14 PM CDTSevere Thunderstorm WarningOAXNemaha, Pawnee, Richardson16 min
May 7, 5:35 PM CDTSpecial Weather StatementOAXGage, Pawnee40 min
May 7, 6:39 PM CDTSevere Thunderstorm WarningOAXJohnson17 min
May 7, 6:55 PM CDTSevere Thunderstorm WarningOAXPawnee, Richardson35 min
May 7, 6:59 PM CDTSpecial Weather StatementOAXOtoe46 min

Nearby

River Flood Warnings in Nebraska, 2015Every river flood warning in 2015

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.