Alert archive / Nebraska / Flash Flood Warnings in 2011

Flash Flood Warning 11, NWS North Platte, NE

June 20, 2011Keith County, Lincoln County, Nebraska

NWS North Platte, NE issued this flash flood warning at Jun 20, 2011, 3:07 PM MDT for Keith County, Lincoln County, Nebraska. It was in force for 4 hr. 8 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 20, 2011, 3:07 PM MDT (21:07 UTC)
Expired
Jun 20, 2011, 7:00 PM MDT
In force
4 hr
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Flood severity
None

Counties Keith County, NE, Lincoln County, NE

The radar

The North Platte radar (KLNX), 112 km from the middle of the area, began a volume at 20:56 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

TimeReportWhereRemark
Jun 20, 3:08 PM MDTHEAVY RAIN 6Sutherland, NEEMERGENCY MANAGER RELAYED REPORT THAT SUTHERLAND FIRE DEPARTMENT ESTIMATED 5 TO 6 INCHES OF RAIN WITH FLOODING OCCURRING IN AND NEAR SUTHERLAND.
Jun 20, 3:40 PM MDTFLASH FLOOD3 W Sutherland, NELINCOLN COUNTY EMERGENCY MANAGER REPORTED WATER AND DEBRIS FLOWING OVER HIGHWAY 30 2 TO 3 MILES WEST OF SUTHERLAND AROUND MILE MARKER 155. HIGHWAY 30 IS IN THE PROCESS OF BEING CLOSED TO TRAFFIC IN THIS AREA DUE TO REPEATED HEAVY RAINFALL.
Jun 20, 3:51 PM MDTHEAVY RAIN 3Sutherland, NEPUBLIC REPORTED 3 INCHES OF RAIN IN SUTHERLAND. OBSERVED FLOODING IN FIELDS ACROSS FROM THE HOUSE AND BELIEVES THE GAUGE UNDERCAUGHT RAIN AMOUNTS.
Jun 20, 3:57 PM MDTFLASH FLOOD6 W Sutherland, NEWATER FLOWING OVER HIGHWAY 30 5 TO 6 MILES WEST OF SUTHERLAND PER PUBLIC REPORT.
Jun 20, 4:00 PM MDTHEAVY RAIN 1.45Paxton, NECOOPERATIVE OBSERVER MEASURED PRECIPITATION THAT HAS OCCURRED IN THE PAST 2 HOURS AND 45 MINUTES.
Jun 20, 5:21 PM MDTFLOODSutherland, NESUTHERLAND FIRE DEPARTMENT REPORTED THAT FLOOD DAMAGE OCCURRED TO NURSING HOME.
Jun 20, 5:21 PM MDTHEAVY RAIN 5.51 W Sutherland, NEFIRE CHIEF RELAYED REPORT OF 5.5 INCHES OF RAIN 1 MILE WEST OF SUTHERLAND
Jun 20, 5:50 PM MDTFLOODSutherland, NEPUBLIC REPORTED THAT WEST SNAKE ROAD IN SUTHERLAND IS FLOODED

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 12:00Z, 9.1 hours before the alert went out and 55 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2011-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 163 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2011-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
163 J/kg
Mixed-layer CIN
-253 J/kg
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

689 
WGUS53 KLBF 202107
FFWLBF
NEC101-111-210100-
/O.NEW.KLBF.FF.W.0011.110620T2107Z-110621T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
407 PM CDT MON JUN 20 2011

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN KEITH COUNTY IN SOUTHWEST NEBRASKA...
  WEST CENTRAL LINCOLN COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 800 PM CDT/700 PM MDT/

* AT 406 PM CDT/306 PM MDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS
  THE WARNED AREA.  UPWARDS OF TWO AND ONE HALF INCHES OF RAIN HAS   
  ALREADY FALLEN WITH ANOTHER INCH OR TWO EXPECTED OVER THE NEXT HOUR.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  HERSHEY...PAXTON...SARBEN...SUTHERLAND AND SUTHERLAND RESERVOIR    
  STATE RECREATION AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 4098 10125 4100 10125 4100 10150 4135 10151
      4134 10100 4098 10100

$$

JACOBS
4 follow-up statements
956 
WGUS73 KLBF 202133
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
433 PM CDT MON JUN 20 2011

NEC101-111-210100-
/O.CON.KLBF.FF.W.0011.000000T0000Z-110621T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KEITH NE-LINCOLN NE-
433 PM CDT MON JUN 20 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WEST CENTRAL LINCOLN AND
EASTERN KEITH COUNTIES UNTIL 800 PM CDT/700 PM MDT/...

AT 430 PM CDT/330 PM MDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED 
AREA. RADAR HAS INDICATED THAT OVER FOUR INCHES OF RAIN HAS FALLEN 
NORTH OF INTERSTATE 80...OVER THE NORTH PLATTE RIVER BASIN.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
HERSHEY...PAXTON...SARBEN...SUTHERLAND AND SUTHERLAND RESERVOIR STATE
RECREATION AREA.

WIDESPREAD STREET FLOODING HAS BEEN REPORTED IN SUTHERLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF GREATER THAN TWO INCHES ARE POSSIBLE 
IN THE WARNED AREA.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 4098 10125 4100 10125 4100 10150 4135 10151
      4134 10100 4098 10100

$$

JACOBS
718 
WGUS73 KLBF 202145
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
445 PM CDT MON JUN 20 2011

NEC101-111-210100-
/O.CON.KLBF.FF.W.0011.000000T0000Z-110621T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KEITH NE-LINCOLN NE-
445 PM CDT MON JUN 20 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WEST CENTRAL LINCOLN AND
EASTERN KEITH COUNTIES UNTIL 800 PM CDT/700 PM MDT/...

AT 443 PM CDT/343 PM MDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED 
AREA. RADAR HAS INDICATED OVER FIVE INCHES OF RAIN HAS FALLEN JUST 
WEST NORTHWEST OF SUTHERLAND.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
HERSHEY...PAXTON...SARBEN...SUTHERLAND AND SUTHERLAND RESERVOIR STATE
RECREATION AREA.

THE LINCOLN COUNTY EMERGENCY MANAGER REPORTED WATER AND DEBRIS 
FLOWING OVER HIGHWAY 30...TWO TO THREE MILES WEST OF SUTHERLAND 
AROUND MILE MARKER 155.  HIGHWAY 30 IS IN THE PROCESS OF BEING 
CLOSED TO TRAFFIC IN THIS AREA.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
NORTH PLATTE RIVER...BIRDWOOD CREEK...EAST CLEAR CREEK...RED WILLOW
CREEK...SOUTH PLATTE RIVER AND DUCK CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...


DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 4098 10125 4100 10125 4100 10150 4135 10151
      4134 10100 4098 10100

$$

JACOBS
346 
WGUS73 KLBF 202308
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
608 PM CDT MON JUN 20 2011

NEC101-111-210100-
/O.CON.KLBF.FF.W.0011.000000T0000Z-110621T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KEITH NE-LINCOLN NE-
608 PM CDT MON JUN 20 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WEST CENTRAL LINCOLN AND
EASTERN KEITH COUNTIES UNTIL 800 PM CDT/700 PM MDT/...

AT 600 PM CDT/500 PM MDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED 
AREA. RADAR HAS INDICATED OVER SIX INCHES OF RAIN HAS FALLEN JUST 
WEST NORTHWEST OF SUTHERLAND.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
HERSHEY...PAXTON...SARBEN...SUTHERLAND AND SUTHERLAND RESERVOIR STATE
RECREATION AREA.

THE LINCOLN COUNTY EMERGENCY MANAGER REPORTED WATER AND DEBRIS 
FLOWING OVER HIGHWAY 30...TWO TO THREE MILES WEST OF SUTHERLAND 
AROUND MILE MARKER 155.  HIGHWAY 30 IS CLOSED TO TRAFFIC IN THIS 
AREA. WATER IS ACROSS WALKER ROAD SOUTH OF HERSHEY.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
NORTH PLATTE RIVER...BIRDWOOD CREEK...EAST CLEAR CREEK...RED WILLOW
CREEK...SOUTH PLATTE RIVER AND DUCK CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 4098 10125 4100 10125 4100 10150 4135 10151
      4134 10100 4098 10100

$$

POWER
622 
WGUS73 KLBF 210100
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
800 PM CDT MON JUN 20 2011

NEC101-111-210114-
/O.EXP.KLBF.FF.W.0011.000000T0000Z-110621T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KEITH NE-LINCOLN NE-
800 PM CDT MON JUN 20 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WEST CENTRAL
LINCOLN AND EASTERN KEITH COUNTIES WILL BE ALLOWED TO EXPIRE AT 800
PM CDT/700 PM MDT/...

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 4098 10125 4100 10125 4100 10150 4135 10151
      4134 10100 4098 10100

$$

MASEK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 6:00 PM MDTAreal Flood AdvisoryLBFDeuel6 hr
Jun 19, 6:03 PM MDTTornado WarningLBFHayes27 min
Jun 19, 6:16 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes44 min
Jun 19, 6:17 PM MDTFlash Flood WarningLBFCuster, Logan7 hr
Jun 19, 6:19 PM MDTSevere Thunderstorm WarningLBFChase26 min
Jun 19, 6:19 PM MDTTornado WarningLBFFrontier, Hayes41 min
Jun 19, 6:25 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins50 min
Jun 19, 6:26 PM MDTSevere Thunderstorm WarningLBFDeuel, Keith, Perkins49 min
Jun 19, 6:31 PM MDTTornado WarningLBFDeuel, Keith, Perkins29 min
Jun 19, 6:38 PM MDTSevere Thunderstorm WarningLBFHayes37 min
Jun 19, 6:47 PM MDTSevere Thunderstorm WarningLBFCuster, Logan43 min
Jun 19, 6:58 PM MDTTornado WarningLBFFrontier32 min
Jun 19, 7:00 PM MDTSevere Thunderstorm WarningLBFFrontier30 min
Jun 19, 7:00 PM MDTTornado WarningLBFDeuel, Keith, Perkins30 min
Jun 19, 7:05 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes25 min
Jun 19, 7:24 PM MDTSevere Thunderstorm WarningLBFBlaine, Custer, Logan51 min
Jun 19, 7:26 PM MDTTornado WarningLBFFrontier34 min
Jun 19, 7:27 PM MDTFlash Flood WarningLBFFrontier, Hayes6 hr
Jun 19, 7:27 PM MDTSevere Thunderstorm WarningLBFKeith, Perkins48 min
Jun 19, 7:28 PM MDTSevere Thunderstorm WarningLBFFrontier32 min
Jun 19, 7:31 PM MDTSevere Thunderstorm WarningLBFFrontier29 min
Jun 19, 7:34 PM MDTTornado WarningLBFChase41 min
Jun 19, 7:36 PM MDTSevere Thunderstorm WarningLBFHayes39 min
Jun 19, 7:39 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins51 min
Jun 19, 7:49 PM MDTFlash Flood WarningLBFCuster6 hr
Jun 19, 8:00 PM MDTSevere Thunderstorm WarningLBFFrontier60 min
Jun 19, 8:07 PM MDTSevere Thunderstorm WarningLBFCuster38 min
Jun 19, 8:10 PM MDTTornado WarningLBFChase50 min
Jun 19, 8:15 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes45 min
Jun 19, 8:20 PM MDTSevere Thunderstorm WarningLBFLincoln40 min
Jun 19, 8:26 PM MDTTornado WarningLBFFrontier, Hayes34 min
Jun 19, 8:31 PM MDTTornado WarningLBFLincoln29 min
Jun 19, 8:41 PM MDTSevere Thunderstorm WarningLBFCuster37 min
Jun 19, 8:41 PM MDTSevere Thunderstorm WarningLBFChase, Hayes34 min
Jun 19, 8:52 PM MDTFlash Flood WarningLBFChase, Hayes5 hr
Jun 19, 8:55 PM MDTSevere Thunderstorm WarningLBFChase50 min
Jun 19, 8:58 PM MDTTornado WarningLBFLincoln32 min
Jun 19, 9:11 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes49 min
Jun 19, 9:13 PM MDTSevere Thunderstorm WarningLBFCuster, Loup24 min
Jun 19, 9:16 PM MDTFlash Flood WarningLBFCuster4 hr
Jun 19, 9:26 PM MDTSevere Thunderstorm WarningLBFLincoln49 min
Jun 19, 9:39 PM MDTSevere Thunderstorm WarningLBFChase, Hayes51 min
Jun 19, 9:58 PM MDTSevere Thunderstorm WarningLBFFrontier, Lincoln47 min
Jun 19, 10:11 PM MDTSevere Thunderstorm WarningLBFLincoln49 min
Jun 19, 10:24 PM MDTSevere Thunderstorm WarningLBFCuster51 min
Jun 19, 10:26 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes49 min
Jun 19, 10:42 PM MDTSevere Thunderstorm WarningLBFFrontier, Lincoln48 min
Jun 19, 11:13 PM MDTSevere Thunderstorm WarningLBFCuster47 min
Jun 19, 11:15 PM MDTSevere Thunderstorm WarningLBFFrontier45 min
Jun 19, 11:23 PM MDTSevere Thunderstorm WarningLBFFrontier37 min
Jun 19, 11:48 PM MDTSevere Thunderstorm WarningLBFChase42 min
Jun 19, 11:57 PM MDTSevere Thunderstorm WarningLBFFrontier24 min
Jun 20, 12:26 AM MDTSevere Thunderstorm WarningLBFCuster49 min
Jun 20, 12:27 AM MDTSevere Thunderstorm WarningLBFChase, Hayes48 min
Jun 20, 1:37 AM MDTAreal Flood AdvisoryLBFChase, Frontier, Hayes6 hr
Jun 20, 1:47 AM MDTAreal Flood AdvisoryLBFCuster, Lincoln, Logan6 hr
Jun 20, 2:55 AM MDTFlash Flood WatchLBFArthur, Boyd, Brown, Chase, Cherry, Deuel and 15 more24 hr
Jun 20, 7:34 AM MDTAreal Flood AdvisoryLBFCuster, Lincoln, Logan8 hr
Jun 20, 7:40 AM MDTAreal Flood AdvisoryLBFChase, Frontier, Hayes8 hr
Jun 20, 1:43 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins47 min
Jun 20, 2:12 PM MDTAreal Flood AdvisoryLBFKeith, Lincoln, Perkins6 hr
Jun 20, 2:46 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln44 min
Jun 20, 3:01 PM MDTAreal Flood AdvisoryLBFKeith, Lincoln6 hr
Jun 20, 3:12 PM MDTAreal Flood AdvisoryLBFChase, Hayes6 hr
Jun 20, 3:36 PM MDTAreal Flood AdvisoryLBFLincoln102 min
Jun 20, 4:00 PM MDTAreal Flood AdvisoryLBFChase, Hayes, Lincoln, Perkins6 hr
Jun 20, 5:15 PM MDTSevere Thunderstorm WarningLBFGarfield, Wheeler21 min

Nearby

Flash Flood Warnings in Nebraska, 2011Every flash flood warning in 2011

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.