Alert archive / Nebraska / Flash Flood Warnings in 2003

Flash Flood Warning 7, NWS North Platte, NE

June 24, 2003Hayes County, Lincoln County, Nebraska

NWS North Platte, NE issued this flash flood warning at Jun 24, 2003, 9:26 PM CDT for Hayes County, Lincoln County, Nebraska. It was in force for 3 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 24, 2003, 9:26 PM CDT (02:26 UTC)
Expired: Jun 25, 2003, 12:30 AM CDT
In force: 3 hr
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

Counties Hayes County, NE, Lincoln County, NE

The radar

The Goodland radar (KGLD), 142 km from the middle of the area, began a volume at 02:27 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

Denver, CO (KDNR), launched 00:00Z, 2.4 hours before the alert went out and 197 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: 54 J/kg
Mixed-layer CIN: -422 J/kg
Mixed-layer LCL: 700 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 642 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLBF 250225
FFWLBF
NEC085-111-250530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
926 PM CDT TUE JUN 24 2003

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN LINCOLN COUNTY IN SOUTHWEST NEBRASKA
  HAYES COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 1230 AM CDT

* AT 922 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN 12 MILES NORTH OF HAYES CENTER...MOVING NORTHEAST
  AT 35 MPH.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND
ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

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 4039 10134 4038 10082 4079 10076 4083 10119

$$

1 follow-up statement

000 
WSUS73 KLBF 250444
FFSLBF
NEC085-111-250500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1143 PM CDT TUE JUN 24 2003

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN LINCOLN AND HAYES
COUNTIES HAS BEEN CANCELLED...

NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL HAD ENDED 
ACROSS THE WARNED AREA...AND THE FLOOD THREAT HAS DIMINISHED. SOME 
MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING IS 
ENDING. THUS...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

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.

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

$$
DDB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 7:01 PM CDT	Severe Thunderstorm Warning	LBF	Logan	59 min
Jun 24, 7:12 PM CDT	Severe Thunderstorm Warning	LBF	Brown	63 min
Jun 24, 7:28 PM CDT	Tornado Warning	LBF	Brown	47 min
Jun 24, 7:31 PM CDT	Severe Thunderstorm Warning	LBF	Boyd	29 min
Jun 24, 7:32 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln, Logan	58 min
Jun 24, 7:41 PM CDT	Tornado Warning	LBF	Holt, Rock	34 min
Jun 24, 7:46 PM CDT	Severe Thunderstorm Warning	LBF	Hayes	44 min
Jun 24, 7:49 PM CDT	Tornado Warning	LBF	Brown	56 min
Jun 24, 8:01 PM CDT	Tornado Warning	LBF	Blaine	29 min
Jun 24, 8:15 PM CDT	Tornado Warning	LBF	Brown, Keya Paha, Rock	60 min
Jun 24, 8:28 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Hayes, Lincoln	62 min
Jun 24, 8:53 PM CDT	Severe Thunderstorm Warning	LBF	Holt	52 min
Jun 24, 9:05 PM CDT	Tornado Warning	LBF	Hayes	25 min
Jun 24, 9:15 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt	60 min
Jun 24, 9:16 PM CDT	Severe Thunderstorm Warning	LBF	Frontier	59 min
Jun 24, 9:29 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Frontier, Hayes, Lincoln	61 min
Jun 24, 9:31 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt	44 min
Jun 24, 10:06 PM CDT	Tornado Warning	LBF	Loup	54 min
Jun 24, 10:20 PM CDT	Tornado Warning	LBF	Rock	40 min
Jun 24, 10:24 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Frontier, Lincoln	66 min
Jun 25, 1:41 AM CDT	Severe Thunderstorm Warning	LBF	Brown	49 min

Nearby

Flash Flood Warnings in Nebraska, 2003 Every 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.