Flood, Eastern Walsh
- When
- June 12, 6:00 AM CST to June 30, 11:59 PM CST
- Where
- Eastern Walsh forecast zone
- Reported by
- NEWSPAPER
- Coordinates
- 48.370, -97.721 (the zone’s center; the record gives no point)
Flood in North Dakota, June 12 to 30, 2002
Heavy rainfall on the 9th and 10th and again on the 22nd and 23rd produced flooding over portions of Walsh county. The Red River at Oslo peaked three times over its moderate flood stage of 30 feet, due more in part to the heavy rainfall over its upstream tributaries.
Where it happened
Every event with a place to put it; 1 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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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 happened
The episode as NWS FGF wrote it up.
Heavy rainfall on the 9th and 10th and again on the 22nd and 23rd produced flooding over portions of Walsh county. The Red River at Oslo peaked three times over its moderate flood stage of 30 feet, due more in part to the heavy rainfall over its upstream tributaries. 16 road sites were closed due to flooding.
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 Grand Forks, ND wrote its last area forecast discussion before the first event at Jun 12, 2:10 AM CST, 3 hours 50 minutes earlier.
Area forecast discussion, Jun 12, 2:10 AM CST, 3 hours 50 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 310 AM CDT WED JUN 12 2002 FORECAST CHALLENGE CONCERNS PCPN CHANCES AND TEMPERATURES. OVERALL MODELS IN PRETTY CLOSE AGREEMENT THROUGH PERIOD AND WILL USE MIX FOR GRIDS. IN THE NEAR TERM BAND OF SHRA/ISOLD TSRA FROM KMVX-88D ASSOCIATED WITH WEAK SFC BOUNDARY AND SPOKE OF MID LEVEL ENERGY PIN-WHEELING AROUND UPPER LOW CONFINED TO FAR EASTERN FORECAST AREA. WILL MENTION ISOLD EARLY AM SHRA TO COVER CURRENT TRENDS. FOR TODAY STACKED LOW WELL DEFINED BY WATER VAPOR LOOP OVER SOUTHERN SASKATCHEWAN TO DRIFT ESE INTO MANITOBA DURING DAY. ASSOCIATED CLOUD SHIELD TO ALSO GRADUALLY SHIFT EAST WITH FEATURE. SOME DIFFERENCES IN RH FIELDS BETWEEN MODELS WITH AVN MORE MOIST AND AGGRESSIVE. ETA INDICATING MORE SOLAR POSSIBLE OVER SE QUARTER OF FORECAST AREA. BASED ON CURRENT SATELLITE TRENDS AND FORECAST SOUTHWEST FLOW WILL SIDE CLOSER TO ETA SOLUTION AND AS A RESULT HAVE ADJUSTED TEMPERATURES SLIGHTLY UPWARD IN THIS AREA. COLD ADVECTION TODAY NOT ALL THAT IMPRESSIVE WITH COLD POOL NOT FORECAST TO SHIFT OVER FA UNTIL TONIGHT. PREFRONTAL TROUGH PUSHES THROUGH DURING AFTERNOON AND WITH ENERGY SPINNING AROUND UPPER LOW WILL MAINTAIN CHC OF SHRA. AT THIS TIME INSTABILITY MARGINAL AND CAPES LOW SO WILL NOT INTRODUCE THUNDER HOWEVER DAY SHIFT WILL NEED TO MONITOR. UPPER LOW/COLD POOL SAGS SOUTH INTO FORECAST AREA OVERNIGHT. WITH ABOVE FEATURES AND SFC COLD FRONT DROPPING THROUGH FA WILL MAINTAIN CHC SHRA OVERNIGHT. CLOUDS SHOULD SOMEWHAT LIMIT TEMPERATURE DROP AND WILL SIDE CLOSE TO GUIDANCE. UPPER LOW CONTINUES TO PUSH SOUTHEAST DURING DAY THURSDAY. WITH CYCLONIC MID LEVEL FLOW WILL NEED TO CONTINUE MINOR POPS. ASSOCIATED CLOUD COVER WILL LIMIT TEMPS HANDLED BY CURRENT FORECAST WELL. WILL CONTINUE WITH DRYING TREND TOWARDS END OF WORK WEEK AS SFC HIGH BUILDS IN. NO CHANGES TO EXTENDED ALTHOUGH LATE PERIOD RAIN CHANCES IFFY LOOKING AT AVN. .FGF...NONE. AV
In the hours before
Special weather statement, Jun 12, 5:33 AM CST, 27 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-121430- SPECIAL WEATHER STATEMENT HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS 633 AM CDT WED JUN 12 2002 ...NO SEVERE WEATHER IS EXPECTED ACROSS EASTERN NORTH DAKOTA...NORTHWEST OR WEST CENTRAL MINNESOTA TODAY... SYNOPSIS...AN AREA OF LOW PRESSURE WILL APPROACH THE REGION FROM THE WEST TODAY. SCATTERED SHOWERS...POSSIBLY A THUNDERSTORM...ARE EXPECTED MAINLY THIS AFTERNOON. HOWEVER...ANY RAINFALL AMOUNTS WILL BE LIGHT AND NO SEVERE WEATHER IS EXPECTED. VOELKER NNNN
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flood. Local standard time, as filed.
What these are
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Hail and Heavy Rain in Nebraska, June 12, 2002
- High Surf in Hawaii, June 12 to 14, 2002
- Tornado and Flash Flooding in Oklahoma, June 12, 2002
- Hail and Damaging Winds in Texas, June 12, 2002
- Flash Flooding and Hail in Iowa, June 12 to 13, 2002
- Flooding in Vermont, June 12 to 13, 2002
- Damaging Winds in Arkansas, June 12, 2002
- Tornadoes and Flash Flooding in Kansas, June 12 to 13, 2002
- Damaging Winds in Missouri, June 12, 2002
- Flooding in New York, June 12 to 13, 2002
- Flash Flooding and Hail in Illinois, June 12 to 13, 2002
- Tornadoes and Flash Flooding in Iowa, June 12 to 13, 2002
More
Every storm in North Dakota in 2002Every state in 2002This day in weather historyWarnings in North Dakota, June 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: 5301412.