Alert archive / Nebraska / Flash Flood Warnings in 2007

Flash Flood Warning 28, NWS North Platte, NE

June 11, 2007Chase County, Hayes County, Nebraska

NWS North Platte, NE issued this flash flood warning at Jun 11, 2007, 7:11 PM MDT for Chase County, Hayes County, Nebraska. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 11, 2007, 7:11 PM MDT (01:11 UTC)
Expired
Jun 12, 2007, 1:15 AM MDT
In force
6 hr
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Chase County, NE, Hayes County, NE

The radar

The Goodland radar (KGLD), 132 km from the middle of the area, began a volume at 01:11 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 11, 11:15 PM MDTFLOOD10 W Champion, NENUMEROUS SECONDARY AND COUNTY ROADS UNDER WATER...POSSIBLY WASHED OUT...OFFICALLY CLOSED FOR THE REST OF TONIGHT. RAINFALL ESTIMATED AROUND 6 INCHES.

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, 1.2 hours before the alert went out and 94 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 00:00Z on 2007-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2552 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 00:00Z on 2007-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.193958Sfc1 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
2552 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1479 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLBF 120114
FFWLBF
NEC029-085-120715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
711 PM MDT MON JUN 11 2007

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHASE COUNTY IN SOUTHWEST NEBRASKA...
  THIS INCLUDES THE CITY OF IMPERIAL...
  WESTERN HAYES COUNTY IN SOUTHWEST NEBRASKA...

* UNTIL 115 AM MDT TUESDAY(215 AM CDT TUESDAY)

* AT 710 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 2 
  TO 5 INCHES OF RAIN HAD FALLEN ACROSS CHASE COUNTY. RUNOFF FROM    
  THIS RAINFALL WILL BE CARRIED DOWN STREAM BY THE STINKING WATER    
  AND FRENCHMAN CREEK BASINS INTO WESTERN HAYES COUNTY.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ENDERS
  RESERVOIR STATE RECREATION AREA...WAUNETA...LAMAR...HAMLET...ENDERS
  AND CHAMPION

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE ACROSS 
CHASE AND HAYES COUNTIES.

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

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

IN HILLY TERRAIN THERE ARE MANY LOW WATER CROSSINGS WHICH ARE 
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS 
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF 
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 4038 10199 4037 10104 4067 10106 4066 10201

$$

BUTTLER
3 follow-up statements
000 
WGUS73 KLBF 120416
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1112 PM CDT MON JUN 11 2007

NEC029-085-120715-
HAYES NE-CHASE NE-
1012 PM MDT MON JUN 11 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM MDT(215 AM
CDT) FOR CHASE AND WESTERN HAYES COUNTIES...

AT 1011 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE HEAVY RAINFALL OVER CENTRAL AND WESTERN CHASE COUNTY. 
ADDITIONAL RAINFALL IS EXPECTED THROUGH 2 AM CDT (1 AM MDT)...AS 
THUNDERSTORMS MOVE FROM NORTHEASTERN COLORADO INTO SOUTHWESTERN 
NEBRASKA. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
LAMAR...CHAMPION...IMPERIAL...WAUNETA....AND HAMLET. 

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE ACROSS 
CENTRAL AND WESTERN CHASE COUNTY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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

IN HILLY TERRAIN THERE ARE LOW WATER CROSSINGS WHICH ARE POTENTIALLY 
DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED 
ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF SWIFTLY 
FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 4038 10199 4037 10104 4067 10106 4066 10201

$$

BUTTLER
000 
WGUS73 KLBF 120508
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1203 AM CDT TUE JUN 12 2007

NEC029-085-120715-
HAYES NE-CHASE NE-
1103 PM MDT MON JUN 11 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM MDT(215 AM
CDT) FOR CHASE AND WESTERN HAYES COUNTIES...

AT 1058 PM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED NUMEROUS 
COUNTY ROADS UNDER WATER IN CHASE COUNTY. CHASE COUNTY OFFICIALS 
STRONGLY DISCOURAGE TRAVEL ON ANY COUNTY ROADS FOR THE REMAINDER OF 
TONIGHT...AS ROADS ARE UNDERWATER OR IMPASSABLE DUE TO WASHOUT. 

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE LIKELY IN WESTERN 
CHASE COUNTY. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN NORTH
PLATTE.

LAT...LON 4038 10199 4037 10104 4067 10106 4066 10201

$$

BUTTLER
000 
WGUS73 KLBF 120641
FFSLBF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
134 AM CDT TUE JUN 12 2007

NEC029-085-120715-
HAYES NE-CHASE NE-
1234 AM MDT TUE JUN 12 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM MDT(215 AM
CDT) FOR CHASE AND WESTERN HAYES COUNTIES...

AT 1230 AM MDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED NUMEROUS 
COUNTY ROADS UNDER WATER IN CHASE COUNTY. CHASE COUNTY OFFICIALS 
STRONGLY DISCOURAGE TRAVEL ON ANY COUNTY OR SECONDARY ROADS FOR THE 
REMAINDER OF TONIGHT...AS ROADS ARE UNDERWATER OR IMPASSABLE DUE TO 
WASHOUT. TRAVEL IS DISCOURAGED ON U.S. HIGHWAY 6 AS AREAS OF INTENSE 
RAINFALL COULD REDUCE VISIBILITY TO NEAR ZERO.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
LAMAR...CHAMPION AND IMPERIAL.

RAINFALL ESTIMATES ARE 6 TO 8 INCHES ACROSS PARTS OF THE WARNED AREA 
INCLUDING WESTERN CHASE COUNTY. THROUGH 330 AM MDT...ADDITIONAL 
RAINFALL OF 1 TO 3 INCHES ARE LIKELY IN THE WARNED AREA. THE FLASH 
FLOOD WARNING WILL LIKELY BE EXTENDED OVERNIGHT.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

FLOOD WATERS ARE LIKELY MOVING DOWN FRENCHMAN CREEK ABOVE CHAMPION 
AND ENDERS DAM. THE FLOOD CREST COULD REACH 10 FEET AT CHAMPION BY 6 
AM MDT.

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

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 4038 10199 4037 10104 4067 10106 4066 10201

$$

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 6:28 PM MDTSevere Thunderstorm WarningLBFChase62 min
Jun 11, 7:01 PM MDTFlash Flood WarningLBFChase119 min
Jun 11, 8:34 PM MDTSevere Thunderstorm WarningLBFPerkins41 min
Jun 11, 9:31 PM MDTFlash Flood WarningLBFPerkins4 hr
Jun 12, 12:00 AM MDTSevere Thunderstorm WarningLBFChase60 min
Jun 12, 12:17 AM MDTTornado WarningLBFChase43 min
Jun 12, 1:10 AM MDTFlash Flood WarningLBFChase6 hr
Jun 12, 1:23 AM MDTFlash Flood WarningLBFPerkins4 hr
Jun 12, 2:39 AM MDTFlash Flood WatchLBFArthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more48 hr
Jun 12, 6:54 AM MDTFlash Flood WarningLBFChase4 hr
Jun 12, 11:19 AM MDTFlash Flood WarningLBFChase, Perkins6 hr
Jun 12, 11:41 AM MDTSevere Thunderstorm WarningLBFCherry34 min
Jun 12, 12:23 PM MDTSevere Thunderstorm WarningLBFKeith40 min
Jun 12, 1:28 PM MDTFlash Flood WarningLBFKeith6 hr
Jun 12, 1:46 PM MDTSevere Thunderstorm WarningLBFLincoln30 min
Jun 12, 2:43 PM MDTFlash Flood WarningLBFHayes6 hr
Jun 12, 3:22 PM MDTFlash Flood WarningLBFLincoln6 hr
Jun 12, 3:29 PM MDTSevere Thunderstorm WarningLBFLincoln61 min

Nearby

Flash Flood Warnings in Nebraska, 2007Every flash flood warning in 2007

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.