An upper level jet streak and an inverted surface trough stretching into southern North Dakota were the focus for thunderstorms developing across southwest and south central North Dakota. Several reports of large hail and severe thunderstorm wind gusts were received during the morning and early afternoon hours of Wednesday, June 11th.
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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.
The episode as NWS BIS wrote it up.
An upper level jet streak and an inverted surface trough stretching into southern North Dakota were the focus for thunderstorms developing across southwest and south central North Dakota. Several reports of large hail and severe thunderstorm wind gusts were received during the morning and early afternoon hours of Wednesday, June 11th.
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 Bismarck, ND wrote its last area forecast discussion before the first event at Jun 10, 2:41 PM CST, 10 hours 19 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BISMARCK ND 341 PM CDT TUE JUN 10 2008 .SHORT TERM...TUESDAY THROUGH FRIDAY NIGHT... A STRONG MIDDLE LEVEL LOW OVER NORTHERN IDAHO IS INDUCING INTENSE LEE CYCLOGENESIS ACROSS THE NORTHERN HIGH PLAINS AS RESULTANT NORTHERN PLAINS LOW-LEVEL MOISTURE ADVECTION HELPS SET THE STAGE FOR WIDESPREAD MODERATE TO HEAVY RAINFALL ACROSS WESTERN AND CENTRAL NORTH DAKOTA BEGINNING THIS EVENING. THE GREATEST DYNAMIC FORCING APPEARS TO BE ASSOCIATED WITH UPPER LEVEL JET COUPLING AND STRONG RESULTANT SECONDARY CIRCULATIONS OVER CENTRAL MONTANA...ACCORDING TO TUESDAY UPPER AIR OBSERVATIONS AND SATELLITE IMAGERY. THERE ARE SOME QUESTIONS REGARDING AMOUNTS AND LOCATION OF PRECIPITATION. AT PRESENT...IT APPEARS THAT THE BEST CHANCE FOR HEAVY RAINFALL WILL BE NORTH OF THE WARM FRONT AS SLANTWISE ASCENT RELEASES CONVECTIVE INSTABILITY ACROSS SOUTHERN NORTH DAKOTA AFTER 100 AM CDT WEDNESDAY. A SECONDARY MAXIMUM OF HEAVY RAINFALL IS POSSIBLE ALONG THE SLOW-MOVING OCCLUDED FRONT MOVING THROUGH WESTERN NORTH DAKOTA ON WEDNESDAY. THEREAFTER...STRONG DYNAMIC FORCING ALOFT AND COOL MIDDLE LEVEL TEMPERATURES SHOULD BE ABLE TO OVERCOME DRY LOW LEVELS TO KEEP A REASONABLE CHANCE FOR PRECIPITATION IN THE FORECAST THROUGH FRIDAY EVENING. WITH ALL THE CLOUD COVER...PRECIPITATION...AND DYNAMIC COOLING FORECAST...TEMPERATURES SHOULD REMAIN BELOW AVERAGE FOR THE ENTIRE SHORT RANGE PERIOD. .LONG TERM...SATURDAY THROUGH TUESDAY NIGHT THE UPPER LEVEL FLOW WILL TURN NEARLY ZONAL SATURDAY BOUNDED BY TWO UPPER LEVEL LOWS...ON IN ONTARIO AND THE OTHER OFF THE WEST COAST WEST OF WASHINGTON. THIS WILL ALLOW SHORT WAVES TO MOVE THROUGH THE AREA AND THERE WILL BE A CHANCE OF PRECIP OFF AND ON THROUGH SUNDAY. BY MONDAY THE UPPER LEVEL LOW OFF THE WASHINGTON COAST WILL HAVE DROPPED SOUTH ENOUGH TO BEGIN FORMING A RIDGE OF THE CENTRAL PLAINS BRINGING WARMER DRIER WEATHER TO THE REGION MONDAY AND TUESDAY. && .AVIATION...AS THE SURFACE LOW AND TROUGH CONTINUE TO DEVELOP IN EASTERN MONTANA AND WYOMING MOIST AIR OVERRUNNING THE SYSTEM HAS BEEN DETECTED BY AREA RADARS. LITTLE PRECIPITATION IS REACHING THE GROUND...BUT AS THE SYSTEM CONTINUES TO DEVELOP AND THEN BEGINS TO MOVE SLOWLY INTO THE PLAINS...CONDITIONS WILL WORSEN...CEILINGS AND VISIBILITIES WILL LOWER IN RAIN AND FOG. MVFR AND IFR CONDONES WILL DEVELOP AND SPREAD ACROSS THE STATE BY LATE WEDNESDAY MORNING. && .BIS WATCHES/WARNINGS/ADVISORIES... NONE. && SCHECK/TSW
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 437 AM CDT TUE JUN 10 2008 NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-110945- DIVIDE-BURKE-RENVILLE-BOTTINEAU-ROLETTE-WILLIAMS-MOUNTRAIL-WARD- MCHENRY-PIERCE-MCKENZIE-DUNN-MERCER-OLIVER-MCLEAN-SHERIDAN-WELLS- FOSTER-GOLDEN VALLEY-BILLINGS-STARK-MORTON-BURLEIGH-KIDDER- STUTSMAN-SLOPE-HETTINGER-GRANT-BOWMAN-ADAMS-SIOUX-EMMONS-LOGAN- LA MOURE-MCINTOSH-DICKEY- 437 AM CDT TUE JUN 10 2008 /337 AM MDT TUE JUN 10 2008/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL NORTH DAKOTA...NORTHWEST NORTH DAKOTA...SOUTH CENTRAL NORTH DAKOTA...SOUTHEAST NORTH DAKOTA AND SOUTHWEST NORTH DAKOTA. .DAY ONE...TODAY AND TONIGHT A POTENT LATE SPRING STORM WILL BRING SCATTERED SHOWERS AND SCATTERED THUNDERSTORMS TO WESTERN NORTH DAKOTA THIS AFTERNOON AND EVENING...THEN WILL SPREAD INTO CENTRAL NORTH DAKOTA TONIGHT THROUGH WEDNESDAY. RAINFALL AMOUNTS WILL GENERALLY RANGE FROM 0.50 INCHES TO 1.5 INCHES...WITH HIGHER AMOUNTS POSSIBLE IN SOME AREAS. ALTHOUGH MOST OF THE SEVERE THUNDERSTORMS SHOULD REMAIN TO OUR SOUTH ACROSS SOUTH DAKOTA...EXPECT LOCALLY HEAVY RAINFALL TO ACCOMPANY THE SHOWERS AND THUNDERSTORMS TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY RAIN SHOWERS AND SCATTERED THUNDERSTORMS WILL CONTINUE THROUGH WEDNESDAY WITH LOCALLY HEAVY RAINFALL POSSIBLE AGAIN. SHOWERS WILL TAPER OFF WEDNESDAY EVENING/NIGHT. HOWEVER...AN UPPER LEVEL LOW PRESSURE WILL SLOWLY MOVE ACROSS NORTH DAKOTA THURSDAY AND THEN EAST OF THE STATE BY FRIDAY. THIS WILL KEEP THE WEATHER UNSETTLED WITH A CHANCE FOR SHOWERS AND ISOLATED THUNDERSTORMS BOTH DAYS. SOMEWHAT DRIER AND WARMER WEATHER WILL DEVELOP OVER THE WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER WITH THE CLOSE PROXIMITY OF SEVERE WEATHER AND HEAVY RAINFALL POTENTIAL...IF ANY FLOODING OR SEVERE WEATHER IS OBSERVED...PLEASE CONTACT THE NATIONAL WEATHER SERVICE WITH YOUR REPORT. KS
The Aberdeen radar (KABR), 98 km away, was scanning. The volume nearest the first event began at 07:00 UTC.
7 hail, 4 thunderstorm wind. Local standard time, as filed.
Estimated thunderstorm wind speed gusts up to 70 mile per hour resulted in trees being blown down and shingles blown off of a house five miles northeast of Ashley.
Estimated thunderstorm wind gusts of 75 miles per hour blew down a tree one foot in diameter, and also snapped three inch in diameter branches.
Thunderstorm wind gusts up to 70 miles per hour caused damage to a pole barn and minor damage to a house roof.
Penny to quarter size hail fell for several minutes in Washburn.
Hail was covering the ground, with the largest hail stones the size of nickels.
Nickel to quarter size hail fell in the community of Steele.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2008Every state in 2008This day in weather historyWarnings in North Dakota, June 2008
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: 102833, 102825, 102848, 102849, 102899, 102826, 102828, 102829, 102830, 102831, 102832.