Alert archive / Nebraska / Flash Flood Warnings in 2003

Flash Flood Warning 2, NWS North Platte, NE

June 17, 20034 counties in Nebraska

NWS North Platte, NE issued this flash flood warning at Jun 17, 2003, 1:41 AM MDT for 4 counties in Nebraska. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 17, 2003, 1:41 AM MDT (07:41 UTC)
Expired
Jun 17, 2003, 5:45 AM MDT
In force
4 hr
Issued by
NWS North Platte, NE
Area
Counties, with a storm outline in the text

Counties Chase County, NE, Hayes County, NE, Lincoln County, NE, Perkins County, NE

The radar

The Goodland radar (KGLD), 136 km from the middle of the area, began a volume at 07:43 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.7 hours before the alert went out and 92 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 2003-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 872 joules per kilogram.LCLEL10008507005003002001001 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 2003-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939Sfc1 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
872 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
2104 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLBF 170748
FFWLBF
NEC029-085-111-135-171145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
141 AM MDT TUE JUN 17 2003

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA
  SOUTHEASTERN PERKINS COUNTY IN SOUTHWEST NEBRASKA
  WESTERN HAYES COUNTY IN SOUTHWEST NEBRASKA
  EASTERN CHASE COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 545 AM MDT (645 AM CDT)

* AT 239 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A CLUSTER OF SHOWERS AND THUNDERSTORMS REMAINING OVER EASTERN
  CHASE...WESTERN HAYES...SOUTHEAST PERKINS AND SOUTHWEST LINCOLN
  COUNTIES. THE THREAT WILL CONTINUE FOR VERY HEAVY RAIN OVER THE 
  WARNED AREA AS A LOW LEVEL JET INCREASES AND FOCUSES ADDITIONAL
  LIFT OVER THE WARNED AREA. AS OF 245 AM CDT (145 AM MDT) STORM 
  TOTAL RAINFALL INDICATES 3 TO 5 INCHES OF RAINFALL HAS OCCURRED
  WITH RUNOFF TO CONTINUE INCREASING...WITH RUNOFF AND PONDING OF
  WATER TO INCREASE.  

* LOCATIONS IN THE WARNING INCLUDE ELSIE...ENDERS...GRAINTON...
  MADRID...WALLACE AND WAUNETA

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS. 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.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

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. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

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

LAT...LON 4036 10168 4034 10095 4089 10103 4089 10171

$$

TLK
2 follow-up statements
000 
WSUS73 KLBF 170938
FFSLBF
NEC029-085-111-135-171045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
330 AM MDT TUE JUN 17 2003

..A FLASH FLOOD WARNING CONTINUES FOR SOUTHWESTERN LINCOLN...
SOUTHEASTERN PERKINS...WESTERN HAYES AND EASTERN CHASE COUNTIES UNTIL
445 AM MDT (545 AM CDT)...

* AT 330 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  A CLUSTER OF SHOWERS AND THUNDERSTORMS CONTINUING TO PRODUCE 
  RAINFALL...HEAVY AT TIMES...OVER NORTHWEST HAYES COUNTY...WITH
  HOURLY RAINFALL AMOUNTS TO 1.2 INCHES. THE CLUSTER OF SHOWERS AND
  THUNDERSTORMS HAVE MOVED EASTWARD WITH RAINFALL TAPERING OFF OVER 
  EASTERN CHASE COUNTY. HOWEVER SMALL STREAMS...INCLUDING STINKING
  WATER CREEK...BLACKWOOD CREEK...AND THE LITTLE BLACKWOOD CREEK
  WILL CONTINUE TO SEE INCREASING FLOWS AS RAINFALL MOVES
  DOWNSTREAM...WITH THE POTENTIAL COUNTY ROADS TO HAVE WASHOUTS AND
  STANDING...OR PONDING OF WATER IN LOW LYING AREAS. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. 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.

DO NOT DRIVE THROUGH FLOWING WATER. NEARLY HALF OF ALL FLOOD
FATALITIES ARE VEHICLE RELATED. AS LITTLE AS 6 INCHES OF WATER MAY
CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL TELEVISION AND RADIO
STATIONS FOR THE LATEST WEATHER INFORMATION.

$$

TLK
000 
WSUS73 KLBF 171048
FFSLBF
NEC029-085-111-135-171215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
446 AM MDT TUE JUN 17 2003

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN LINCOLN...SOUTHEASTERN
PERKINS...WESTERN HAYES AND EASTERN CHASE COUNTIES IS BEING ALLOWED
TO EXPIRE...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE RAINFALL WAS
ENDING ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING.
SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING
IS ENDING. THUS...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.

EXCESSIVE RUNOFF FROM THESE STORMS WILL CONTINUE TO CAUSE INCREASED 
FLOWS IN SMALL CREEKS AND STREAMS...WITH STANDING OR PONDING OF 
WATER LIKELY IN LOW LYING AREAS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE THROUGH FLOWING WATER. NEARLY HALF OF ALL FLOOD
FATALITIES ARE VEHICLE RELATED. AS LITTLE AS 6 INCHES OF WATER MAY
CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL TELEVISION AND RADIO
STATIONS FOR THE LATEST WEATHER INFORMATION.

$$

TLK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 10:34 PM MDTFlash Flood WarningLBFChase, Hayes3 hr

Nearby

Flash Flood Warnings in Nebraska, 2003Every flash flood warning in 2003

Sources

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