Alert archive / Nebraska / Flash Flood Warnings in 2014

Flash Flood Warning 4, NWS North Platte, NE

June 23, 2014Frontier County, Lincoln County, Nebraska

NWS North Platte, NE issued this flash flood warning at Jun 23, 2014, 1:56 AM CDT for Frontier County, Lincoln County, Nebraska. It was in force for 6 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 23, 2014, 1:56 AM CDT (06:56 UTC)
Expired: Jun 23, 2014, 8:00 AM CDT
In force: 6 hr
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Flood severity: None

Counties Frontier County, NE, Lincoln County, NE

The radar

The North Platte radar (KLNX), 160 km from the middle of the area, began a volume at 06:57 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.

What was reported inside it

Time	Report	Where	Remark
Jun 23, 7:00 AM CDT	HEAVY RAIN 2.72	Nnw Maywood, NE
Jun 23, 7:00 AM CDT	HEAVY RAIN 3.25	15 Se Stockville, NE	24 HOUR RAINFALL.
Jun 23, 7:00 AM CDT	HEAVY RAIN 3.41	6 Sse Moorefield, NE	24 HOUR RAINFALL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.9 hours before the alert went out and 70 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1144 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1571 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 19 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

251 
WGUS53 KLBF 230656
FFWLBF
NEC063-111-231300-
/O.NEW.KLBF.FF.W.0004.140623T0656Z-140623T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
156 AM CDT MON JUN 23 2014

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FRONTIER COUNTY IN SOUTHWEST NEBRASKA...
  SOUTHEASTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 800 AM CDT

* AT 154 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. RAINFALL RATES OF 1 TO 2 INCHES PER HOUR ARE UNDERWAY 
  AND HAVE LIKELY PRODUCED RAINFALL TOTALS OF 2 TO 3 INCHES. AN 
  ADDITIONAL 1 OF RAIN IS EXPECTED.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CURTIS...MAYWOOD...MEDICINE CREEK RESERVOIR STATE RECREATION
  AREA...MOOREFIELD...STOCKVILLE AND WELLFLEET.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...MEDICINE 
CREEK...FOX CREEK...COYOTE CREEK...MUDDY CREEK...DEER CREEK...COON 
CREEK...DRY CREEK...RICHMOND CREEK...LITTLE MEDICINE CREEK...SOUTH 
BRUSHY CREEK...CEDAR CREEK...FRAZIER CREEK...NORTH BRUSHY 
CREEK...CUT CANYON...WELL CANYON...MITCHELL CREEK CANYON...ELM 
CREEK...WEST MUDDY CREEK...EAST FORK DRY CREEK...ELDER CREEK...EAST 
MUDDY CREEK...SPRING CREEK...CURTIS CREEK CANYON...LIME 
CREEK...WALNUT CREEK AND REPUBLICAN RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 4037 10040 4064 10079 4070 10078 4070 10087
      4073 10092 4080 10039 4053 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4034 10011

$$

CDC

3 follow-up statements

091 
WGUS73 KLBF 230706
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
206 AM CDT MON JUN 23 2014

NEC063-111-231300-
/O.CON.KLBF.FF.W.0004.000000T0000Z-140623T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRONTIER NE-LINCOLN NE-
206 AM CDT MON JUN 23 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN LINCOLN AND
FRONTIER COUNTIES UNTIL 800 AM CDT...

AT 205 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.  
RAINFALL RATES OF 1 TO 2 INCHES PER HOUR ARE UNDERWAY AND HAVE 
LIKELY PRODUCED RAINFALL TOTALS OF 2 TO 3 INCHES. AN ADDITIONAL 1 
INCH OF RAIN IS EXPECTED.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CURTIS...MAYWOOD...MEDICINE CREEK RESERVOIR STATE RECREATION AREA...
MOOREFIELD AND STOCKVILLE.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...MEDICINE 
CREEK...FOX CREEK...COYOTE CREEK...MUDDY CREEK...DEER CREEK...COON 
CREEK...DRY CREEK...RICHMOND CREEK...LITTLE MEDICINE CREEK...SOUTH 
BRUSHY CREEK...CEDAR CREEK...FRAZIER CREEK...NORTH BRUSHY 
CREEK...WELL CANYON...MITCHELL CREEK CANYON...ELM CREEK...WEST MUDDY 
CREEK...EAST FORK DRY CREEK...ELDER CREEK...EAST MUDDY 
CREEK...SPRING CREEK...CURTIS CREEK CANYON...CUT CANYON...LIME 
CREEK...WALNUT CREEK AND REPUBLICAN RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT 
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT 
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4037 10040 4064 10079 4070 10078 4070 10087
      4073 10092 4080 10039 4053 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4034 10011

$$

CDC

990 
WGUS73 KLBF 230844
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
344 AM CDT MON JUN 23 2014

NEC063-111-231300-
/O.CON.KLBF.FF.W.0004.000000T0000Z-140623T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRONTIER NE-LINCOLN NE-
344 AM CDT MON JUN 23 2014

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN LINCOLN AND
FRONTIER COUNTIES UNTIL 800 AM CDT...

AT 341 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
LIGHT TO MODERATE RAIN ACROSS THE WARNED AREA. HOURLY RAINFALL 
AMOUNTS OF UP TO 1/3 OF AN INCH ARE EXPECTED THROUGH 7 AM WITH A 
GENERAL DECREASE IN RAIN ACTIVITY.

RADAR ESTIMATED 2 TO 3 INCHES OF RAIN HAS FALLEN IN THE WARNED AREA 
SINCE 1 AM. 1/2 INCH OF ADDITIONAL RAINFALL IS EXPECTED DURING THIS 
TIME.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING 
INCLUDE...CURTIS...MAYWOOD...MEDICINE CREEK RESERVOIR STATE 
RECREATION AREA...MOOREFIELD AND STOCKVILLE.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...MEDICINE 
CREEK...FOX CREEK...COYOTE CREEK...MUDDY CREEK...DEER CREEK...COON 
CREEK...DRY CREEK...RICHMOND CREEK...LITTLE MEDICINE CREEK...SOUTH 
BRUSHY CREEK...CEDAR CREEK...FRAZIER CREEK...NORTH BRUSHY 
CREEK...WELL CANYON...MITCHELL CREEK CANYON...ELM CREEK...WEST MUDDY 
CREEK...EAST FORK DRY CREEK...ELDER CREEK...EAST MUDDY 
CREEK...SPRING CREEK...CURTIS CREEK CANYON...CUT CANYON...LIME 
CREEK...WALNUT CREEK AND REPUBLICAN RIVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 4037 10040 4064 10079 4070 10078 4070 10087
      4073 10092 4080 10039 4053 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4034 10011

$$

CDC

928 
WGUS73 KLBF 231239
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
739 AM CDT MON JUN 23 2014

NEC063-111-231250-
/O.CAN.KLBF.FF.W.0004.000000T0000Z-140623T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRONTIER NE-LINCOLN NE-
739 AM CDT MON JUN 23 2014

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHEASTERN
LINCOLN AND FRONTIER COUNTIES IS CANCELLED...

THE HEAVY RAIN ENDED A FEW HOURS AGO. RADAR AND REPORTS FROM 
OBSERVERS INDICATE 3 TO 5 INCHES OF RAIN FELL IN MANY AREAS. RADAR 
ESTIMATED THE HEAVIEST RAINFALL FELL BETWEEN MAYWOOD AND CURTIS AND 
6 MILES NORTH OF MOOREFIELD.

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 4037 10040 4064 10079 4070 10078 4070 10087
      4073 10092 4080 10039 4053 9997 4044 9997
      4043 9999 4043 10009 4036 10009 4034 10011

$$

CDC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 11:31 PM CDT	Areal Flood Advisory	LBF	Chase, Frontier, Hayes	6 hr
Jun 23, 1:11 AM CDT	Areal Flood Advisory	LBF	Frontier	6 hr
Jun 23, 3:17 AM CDT	Areal Flood Advisory	LBF	Keith, Perkins	6 hr

Nearby

Flash Flood Warnings in Nebraska, 2014 Every flash flood warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.