A weak cold front and associated surface trough moved through the state and stalled across the southern portions of the state, firing off a few storms in southern/southwest Iowa. One storm produced damaging winds in Taylor County.
Every event with a place to put it. Tap one for its entry below.
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 DMX wrote it up.
A weak cold front and associated surface trough moved through the state and stalled across the southern portions of the state, firing off a few storms in southern/southwest Iowa. One storm produced damaging winds in Taylor County.
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 Des Moines, IA wrote its last area forecast discussion before the first event at Jun 7, 11:49 AM CST, 2 hours 42 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DES MOINES IA 1249 PM CDT SUN JUN 7 2015 .UPDATE... ISSUED AT 1246 PM CDT SUN JUN 7 2015 HAVE ADDED LOW POPS ACROSS FAR NORTHERN IOWA THIS AFTERNOON AS HIGH BASED SHOWERS HAVE DEVELOPED IN RESPONSE TO A SHORT WAVE MOVING E/NE OUT OF NEBRASKA. LOW LEVELS WILL BE RELATIVELY DRY BELOW WITH GOOD EVAPORATION OCCURRING BELOW CLOUD LEVEL. STILL...SOME CHANCE FOR VERY LIGHT MEASURABLE PRECIPITATION. SURFACE BOUNDARY STILL LINGERING OVER FAR SOUTHEAST IOWA. SHOULD HAVE A FEW THUNDERSTORMS DEVELOP ACROSS THIS AREA THIS AFTERNOON. UNIDIRECTIONAL WIND PROFILES WILL BE SUPPORTIVE FOR THE POTENTIAL FOR DAMAGING WINDS. IN ADDITION...STEEPENING MID LEVEL LAPSE RATES AND FATTENING CAPES WILL BE SUPPORTIVE FOR GOOD VERTICAL PARCEL ACCELERATIONS AND UPDRAFT STRENGTHS FOR LARGE HAIL DEVELOPMENT. THE TORNADIC THREAT IS NEARLY NON EXISTENT WITH 0-1 KM ESRH VALUES AT 50 M2/S2 OR LESS AND LCL HEIGHTS INCREASING TO 1200M. MUCH OF CENTRAL IOWA INCLUDING THE DES MOINES METRO AND THE I-80 CORRIDOR NORTH TO HIGHWAY 3 ARE EXPECTED TO REMAIN DRY. && .SHORT TERM /TODAY/... ISSUED AT 342 AM CDT SUN JUN 7 2015 FOR THIS MORNING...AN MCS WILL EXIT THE STATE BY MID MORNING AND BRING AN END TO THE PRECIP FOR A SHORT TIME TODAY. A COLD FRONT WILL PUSH ACROSS THE STATE TODAY AND REDEVELOPMENT OF THUNDERSTORMS WILL OCCUR DURING PEAK HEATING HOWEVER BY THAT TIME THE FRONT LOOKS TO BE SUFFICIENTLY FAR ENOUGH SOUTH THAT A FAIR PORTION OF THE FORECAST AREA SHOULD NOT SEE STORMS TODAY. THUNDERSTORM ACTIVITY SHOULD BE RELEGATED TO THE SOUTH AND EAST. HAVING SAID THAT HOWEVER...WE REMAIN MODESTLY UNSTABLE AND SHEAR REMAINS SUFFICIENT FOR ADDITIONAL STRONG TO SEVERE STORMS THIS AFTERNOON ACROSS THE SOUTH AND EASTERN THIRD OR SO OF CENTRAL IOWA. WHILE THE PRIMARY CONCERN THIS AFTERNOON WOULD BE DAMAGING WIND...LOW LEVEL SHEAR IS A BIT CONCERNING LATE THIS AFTERNOON FOR AT LEAST AN ISOLATED TORNADO THREAT. .LONG TERM /TONIGHT THROUGH SATURDAY/... ISSUED AT 342 AM CDT SUN JUN 7 2015 COLD FRONT GRADUALLY SHIFTS OUT OF THE STATE TONIGHT AND ANY CONVECTION THAT RE-DEVELOPED ALONG THE FRONT DURING PEAK HEATING WILL SHIFT SOUTH AND EAST WITHIN THE FIRST COUPLE HOURS OF THE EVENING. ALOFT...A SHORTWAVE WILL SHIFT EAST ACROSS THE NORTHERN HIGH PLAINS AND UPPER MIDWEST. THE FEATURE WILL BRING SOME SHOWERS AND THUNDERSTORMS TO CENTRAL AND POSSIBLY SOUTHERN MINNESOTA BUT THESE SHOULD NORTH OF IOWA. I AM NOT ANTICIPATING ANY PRECIPITATION FROM THE SHORTWAVE TONIGHT. UPPER LEVEL RIDGING BUILDS INTO THE ROCKIES FOR THE FIRST PART OF THE WORKWEEK BUT A THERMAL RIDGE WILL SET UP AND SHIFT INTO THE UPPER MIDWEST. THIS WILL BRING SOME VERY WARM TEMPERATURES TO THE STATE FOR THE COMING WEEK WITH THE WARMEST DAY BEING TUESDAY. FOR WEDNESDAY A LOW OVER CANADA WILL SHIFT EAST DRAGGING A SURFACE COLD FRONT ACROSS THE NORTHERN PLAINS AND UPPER MIDWEST. TEMPERATURES WILL BE SEVERAL DEGREES COOLER FOR WEDNESDAY/THURSDAY. PRECIP ASSOCIATED WITH THE FRONT WILL GENERALLY GRAZE IOWA LATE TUESDAY NIGHT ACROSS THE FAR NORTH THEN SOUTH AND EAST ON WEDNESDAY. WEDNESDAY NIGHT AND THURSDAY MODELS SUGGEST A SHORTWAVE MOVING ACROSS THE WESTERN U.S. INCREASING PRECIP CHANCES DURING THIS PERIOD. MODELS SUGGEST THAT THE FRONT FROM THE WEDNESDAY SYSTEM WILL HANG UP SOMEWHERE ACROSS THE UPPER MIDWEST. I DO NOT HAVE HIGH CONFIDENCE IN POPS DURING THIS PERIOD HOWEVER UNTIL A MORE POTENT WAVE COMES THURSDAY INTO FRIDAY. THIS SYSTEM WILL DIG INTO THE SOUTHWEST U.S. THURSDAY THEN EJECT TOWARDS THE UPPER MIDWEST AND PUSH A SURFACE LOW TOWARDS IOWA. THIS WILL THEN PUSH THE FRONTAL BOUNDARY NORTH AS A WARM FRONT...THOUGH LOCATION OF THIS BOUNDARY IS A LITTLE NEBULOUS AT THIS POINT BUT IMPORTANT TO WHERE CONVECTION WILL FIRE. CONVECTION WILL DEVELOP ALONG THE BOUNDARY AND MODELS DO INCREASE THE INSTABILITY AND SHEAR ALONG THE BOUNDARY SO STORMS WILL LIKELY BE STRONG OR SEVERE THURSDAY AND FRIDAY BUT JUST WHERE IS IN QUESTION AT THIS POINT. THE GFS THINGS A LITTLE FURTHER NORTH...INTO MINNESOTA WHILE THE CANADIAN AND EURO HINTS MORE AT NORTHERN IOWA. WE REMAIN IN A BROAD SOUTHWESTERLY FLOW THROUGH NEXT WEEKEND AND IT LOOKS TO REMAIN AN ACTIVE PATTERN THROUGH LATE IN THE EXTENDED AND BEYOND. && .AVIATION...07/18Z ISSUED AT 1246 PM CDT SUN JUN 7 2015 A FEW AREAS OF MVFR CIGS MOVING SOUTH ACROSS CENTRAL IOWA EARLY THIS AFTERNOON. THE CIGS WILL GRADUALLY RISE ABOVE 3 KFT THE NEXT FEW HOURS. A FEW THUNDERSTORMS POSSIBLE MID TO LATE AFTERNOON VICINITY OF KOTM. VFR CONDITIONS EXPECTED OVERNIGHT. BREEZY NORTHWEST WINDS DEVELOPING BY MID MONDAY MORNING. && .DMX WATCHES/WARNINGS/ADVISORIES... NONE. && UPDATE...DONAVON SHORT TERM...FAB LONG TERM...FAB AVIATION...DONAVON
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DES MOINES IA 941 AM CDT SUN JUN 7 2015 IAZ049-050-058>062-070>075-081>086-092>097-081445- MARSHALL-TAMA-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR- MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE- WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS- 941 AM CDT SUN JUN 7 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND SOUTH CENTRAL IOWA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON THROUGH EARLY EVENING. A SEVERE STORM OR TWO MAY OCCUR. DAMAGING WINDS UP TO 60 MPH AND LARGE HAIL TO THE SIZE OF QUARTERS ARE THE PRIMARY THREATS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THUNDERSTORMS ARE POSSIBLE WEDNESDAY NIGHT THROUGH FRIDAY. SOME OF THESE STORMS THURSDAY AND FRIDAY MAY BE SEVERE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON INTO EARLY EVENING. IAZ004>007-015>017-023>028-033>039-044>048-057-081445- EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE- BOONE-STORY-AUDUBON- 941 AM CDT SUN JUN 7 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND NORTH CENTRAL IOWA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THUNDERSTORMS ARE POSSIBLE WEDNESDAY NIGHT THROUGH FRIDAY. SOME OF THESE STORMS THURSDAY AND FRIDAY MAY BE SEVERE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
937 AM CDT SUN JUN 7 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 AM HEAVY RAIN 5 SE COLLINS 41.85N 93.25W
06/07/2015 M2.00 INCH JASPER IA TRAINED SPOTTER
&&
BFPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1113 AM CDT SUN JUN 7 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0139 AM TSTM WND DMG 2 SSW AMES 41.99N 93.64W
06/07/2015 STORY IA AMATEUR RADIO
NUMEROUS TREES UP TO 8 INCHES DIAMETER
SNAPPED OFF LARGER TREES UPROOTED. MOST OF
THE DAMAGE CONCENTRATED SW OF AIRPORT AND
UNIVERSITY AVENUE. STOP SIGN SNAPPED OFF AT
THAT INTERSECTION.
&&
NWS DES MOINES IA
IRIS SYSTEMPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
125 PM CDT SUN JUN 7 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1237 AM TSTM WND DMG ROCKWELL CITY 42.40N 94.63W
06/07/2015 CALHOUN IA PUBLIC
MULTIPLE LARGE TREE BRANCHES DOWN IN AND
AROUND ROCKWELL CITY. REPORTED VIA SOCIAL
MEDIA AND TIME ESTIMATED FROM RADAR.
&&
NWS DES MOINES IA
IRIS SYSTEMPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
127 PM CDT SUN JUN 7 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1242 AM TSTM WND GST ROLFE 42.81N 94.53W
06/07/2015 M71 MPH POCAHONTAS IA PUBLIC
MEASURED ON PERSONAL WEATHER STATION.
&&
NWS DES MOINES IA
IRIS SYSTEMPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
130 PM CDT SUN JUN 7 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1241 AM TSTM WND DMG 2 SSW ROLFE 42.79N 94.54W
06/07/2015 POCAHONTAS IA PUBLIC
FOUR HOUSES WITH TREE DAMAGE AND SOME
OUTBUILDING DAMAGE. REPORTED VIA SOCIAL
MEDIA AND TIME ESTIMATED FROM RADAR.
&&
NWS DES MOINES IA
IRIS SYSTEMThe Des Moines radar (KDMX), 122 km away, was scanning. The volume nearest the first event began at 20:31 UTC.
1 thunderstorm wind. Local standard time, as filed.
Large tree limbs down at least 6 inches in diameter. Big enough to require the use of a tractor/vehicle to move them. Delayed report, time estimated by radar.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2015Every state in 2015This day in weather historyWarnings in Iowa, June 2015
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: 576172.