Nebraska, 2002

Flash Flooding in Nebraska, July 6, 2002

July 6, 2002 · NWS LBF · 4 events in 2 counties and zones

4 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
1
Injuries
0
Property damage
$820,000
Crop damage
$50,000
Events
4

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS North Platte, NE wrote its last area forecast discussion before the first event at Jul 5, 11:10 PM MST, 7 hours 50 minutes earlier.

Area forecast discussion, Jul 5, 11:10 PM MST, 7 hours 50 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTH PLATTE NE
110 AM CDT SAT JUL 06 2002

...PRECIP AMOUNTS AND TEMPERATURES MAIN CHALLENGE THIS FORECAST....

MODEL OF CHOICE IS ETA...SEEMED TO INITIALIZE WELL WITH WARM CORE
SYSTEM OVER SOUTHEAST COLORADO...MODELS MAY NOT BE HANDLING QPFS
VERY WELL WITH THIS TYPE OF SYSTEM.

AVN IS PROBABLY OVERDONE WITH PRECIP AMOUNTS..ETA SEEMS TO BE CLOSER
WITH WHAT HAS BEEN OCCURING THIS AM.  KIML REPORTING AROUND HALF AN
INCH IN THE LAST COUPLE OF HOURS.  PRECIPITABLE WATER VALUES WELL
ABOVE NORMAL THROUGH THE PERIOD. WILL CARRY POPS AS HIGH AS 50 WEST
AND 30 NORTHEAST SATURDAY AND SATURDAY NIGHT. WILL GO BELOW GUIDANCE
WITH HIGHS SATURDAY RANGING FROM THE UPPER 70S WEST IN AREA OF MORE
SHOWERS AND CLOUD COVER TO THE LOWER 90S NORTHEAST. CLOUD COVER
REMAINS OVER MUCH OF CWA THROUGH SUN AFT...WILL CUT TEMPERATURES
BACK FROM GUIDANCE.

GRADUALLY WEAK UPPER LOW FILLS AS RIDGE BUILDS IN SUNDAY THROUGH
TUESDAY.  ARRIVAL OF COOL FRONT WILL BE MAIN FOCUS FOR NEXT CHANCE
FOR PRECIP MONDAY AFTN AND EVENING MAINLY OVER NORTHEAST CWA.
NO CHANGE TUESDAY THROUGH FRIDAY.

.LBF...NONE.

POWER

In the hours before

Special weather statement, Jul 6, 4:03 AM MST, 2 hours 57 minutes before
NEZ004>010-022>029-035>038-056>059-069>071-094-061630-

HAZARDOUS WEATHER OUTLOOK FOR WESTERN AND NORTH CENTRAL NEBRASKA
NATIONAL WEATHER SERVICE NORTH PLATTE NE
603 AM CDT SAT JUL 6 2002

...NO SEVERE WEATHER IS EXPECTED TODAY OR TONIGHT ACROSS WESTERN AND
NORTH CENTRAL NEBRASKA...

AN UPPER LEVEL LOW PRESSURE SYSTEM SLIDING ACROSS WESTERN NEBRASKA
WILL COMBINE WITH ABUNDANT LOW LEVEL MOISTURE TO PRODUCE SHOWERS AND
THUNDERSTORMS ACROSS WESTERN AND NORTH CENTRAL NEBRASKA TODAY AND
INTO TONIGHT.  HOWEVER...THESE ARE EXPECTED TO REMAIN BELOW SEVERE
LEVELS.

SHOWERS AND THUNDERSTORMS OVER SOUTHWEST NEBRASKA WILL SPREAD ACROSS
THE WESTERN PORTIONS OF THE OUTLOOK AREA TODAY AND THEN INTO NORTH
CENTRAL NEBRASKA THIS AFTERNOON AND TONIGHT.  PERSISTENT CLOUD COVER
AND SHOWERS WILL KEEP TEMPERATURES COOL AT THE GROUND WHILE
TEMPERATURES AT THE MID LEVELS OF THE ATMOSPHERE WILL BE RATHER
WARM...ALLOWING ONLY MARGINAL INSTABILITY OVER THE AREA.  LOCALLY
HEAVY RAIN WILL BE THE MAIN THREAT WITH THE SHOWERS AND
THUNDERSTORMS AS ABUNDANT MOISTURE IS AVAILABLE.

The radar

The North Platte radar (KLNX), 152 km away, was scanning. The volume nearest the first event began at 14:00 UTC.

Open the radar archive at this moment

Event by event

4 flash flood. Local standard time, as filed.

Flash Flood, Perkins

When
July 6, 7:00 AM MST to 10:00 AM MST
Where
Perkins County, North Portion
Property damage
$20,000
Crop damage
$30,000
Reported by
LAW ENFORCEMENT
Coordinates
40.851, -101.650 (the zone’s center; the record gives no point)

A tropical-like system moved into Southwest Nebraska late Friday night and then became stationary through Saturday morning. Heavy rainfall continued over many hours with storm total rainfall from 5 to 8 inches. Large areas of corn fields and pastures were under water from the Keith/Perkins County line to near Grant. Flood water was over roads in many locations.

Flash Flood, Keith

When
July 6, 7:00 AM MST to 10:00 AM MST
Where
Keith County, South Portion
Deaths
1 direct, 0 indirect
Property damage
$800,000
Crop damage
$20,000
Reported by
EMERGENCY MANAGER
Coordinates
41.199, -101.661 (the zone’s center; the record gives no point)

A tropical-like system moved into Southwest Nebraska Friday night and Saturday. Thunderstorms formed along a stationary front and persisted over the same area . Total rainfall was from 8 to 11 inches. Flood waters began to inundate hotels and businesses along Interstate 80 in Ogallala at 7 AM MST. One bridge and numerous roads were damaged or washed out. One person was killed 4 miles west of Ogallala at 759 AM MST as a bridge approach collapsed on Interstate 80. There were 64 homes with water damage. Forty of the homes sustained minor damage while the remaining 24 were total losses or sustained major damage.

Flash Flood, Perkins

When
July 6, 6:56 PM MST to 7:56 PM MST
Where
Perkins County, 8 mi N of Grant
Reported by
LAW ENFORCEMENT
Coordinates
40.851, -101.650 (the zone’s center; the record gives no point)

Highway 61 was closed due to water over the road. Water runoff occurred quickly as heavy rain from thunderstorms fell on already saturated ground from flash flooding early that morning.

Flash Flood, Keith

When
July 6, 7:25 PM MST to 8:25 PM MST
Where
Keith County, 4 mi S of Ogallala
Reported by
EMERGENCY MANAGER
Coordinates
41.199, -101.661 (the zone’s center; the record gives no point)

Highway 61 was closed due to water over the road. Water runoff occurred quickly as heavy rain from thunderstorms fell on already saturated ground from flash flooding early that morning.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Flash Flood, Keith2002-07-0646MaleVehicle/Towed TrailerDirect

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Nebraska in 2002Every state in 2002This day in weather historyWarnings in Nebraska, July 2002

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5303909, 5303910, 5303911, 5303912.