A severe storm produced damaging winds and large hail over portions of northwestern Bureau County Illinois in the late afternoon, June 13th.
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 DVN wrote it up.
A severe storm produced damaging winds and large hail over portions of northwestern Bureau County Illinois in the late afternoon, June 13th.
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 Quad Cities, IA wrote its last area forecast discussion before the first event at Jun 13, 2:19 PM CST, 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 319 PM CDT SAT JUN 13 2015 .SYNOPSIS... ISSUED AT 237 PM CDT SAT JUN 13 2015 ENTIRE CENTRAL PORTIONS OF THE US IN DEEP MOISTURE PLUME OF MOSTLY CLOUDY TO CLOUDY SKIES WITH POPCORN SHOWERS AND THUNDERSTORMS DEVELOPING AS OF 2 PM CDT. UPPER AIR ANALYSIS SHOWS DEEP SOUTHERLY WINDS OF NEARLY SATURATED AIR TO CONTINUE FOR AT LEAST THE NEXT FEW DAYS WITH ALMOST TROPICAL CONDITIONS TO ACCOMPANY LOTS OF CLOUDS AND EPISODES OF PRECIPITATION WITH SPOTTY...LOCALLY HEAVY RAINFALL THE MAIN RISK. && .SHORT TERM...(THIS EVENING THROUGH SUNDAY) ISSUED AT 237 PM CDT SAT JUN 13 2015 SHORT TERM FORECAST CONFIDENCE ASSESSMENT...FAIR OR AVERAGE WITH MAIN ISSUE THE AREAS OF SHOWERS AND STORMS THAT WILL PRODUCE LOCALLY SIGNIFICANT TO HEAVY RAINFALL. THE NATURE OF THE LIGHT UNIDIRECTIONAL FLOW AND WEAK FORCING INDICATES FAVORED AREAS UNLIKELY TO BE ABLE TO BE KNOWN UNTIL A FEW HOURS AT MOST BEFORE THE EVENT WITH MID TO LATE AFTERNOON UNTIL MID EVENING MAIN RISKS OF HEAVY RAINS AND LOCALLY GUSTY WINDS. TONIGHT...CHANCE POPS NW TO LIKELY POPS SE 2/3 OF THE AREA WITH AREAS OF SHOWERS AND STORMS. PW/S OF 1.5 TO OVER 2 INCHES WITH HIGH RH TO OVER 500 MB TO PRODUCE RAINFALL RATES OF OVER 2 INCHES AN HOUR. RAINFALL AMOUNTS OF .25 TO OVER 1 INCHES IS SUGGESTED WITH HEAVIEST SE AND LIGHTEST NW. NOT ENOUGH CONFIDENCE NOT REGIME FAVORED FOR LARGE AREAS OF 1.5 INCHES WHICH IS WHAT IS SUGGESTED FOR A FLASH FLOOD WATCH. LOWS TONIGHT 65 TO AROUND 70 DEGREES SUGGESTED. PATCHY LIGHT FOG AND LOW CLOUDS ALSO POSSIBLE ONCE AGAIN FOR LATER SHIFTS TO ASSESS. GUSTY WINDS OF 30 TO 45 MPH POSSIBLY WITH STRONGEST STORMS UNTIL MID TO LATE EVENING. SUNDAY...CLOUDY WITH PARTIAL CLEARING MID TO LATE DAY WITH ONCE AGAIN REDEVELOPMENT OF SHOWERS AND STORMS. HIGHS SHOULD BE 1 TO 2 DEGREES WARMER THAN TODAY. AGAIN HIGH CHANCE TO LIKELY POPS WITH MOST LOCATIONS TO RECEIVE A QUARTER TO LOCALLY POSSIBLY UP TO 1 INCH OF RAIN. ONCE AGAIN...NOT ENOUGH TO SUPPORT A WATCH AT THIS TIME BUT MOIST AREA SOILS WILL BECOME MORE SATURATED MOST LOCATIONS INCREASING RISK OF FLASH FLOODING AND RIVER FLOODING NEXT WEEK OF RISK OF MORE RAINS TO CONTINUE AS IS SUGGESTED AND FORECAST. HIGHS 80 TO 85 NORTH TO SOUTH WITH AGAIN GUSTY WINDS OVER 45 MPH POSSIBLY IN AFTERNOON WITH STRONGEST STORMS. .LONG TERM...(SUNDAY NIGHT THROUGH SATURDAY) ISSUED AT 315 PM CDT SAT JUN 13 2015 OVERVIEW...OCCASIONAL ROUNDS OF SHOWERS AND THUNDERSTORMS ARE LIKELY THROUGH THIS EXTENDED FORECAST PERIOD. GENERAL SOUTHWESTERLY 850MB FLOW IS FORECAST TO CONTINUE TO ADVECT ANOMALOUSLY HIGH PRECIPITABLE WATER VALUES INTO E IOWA/W ILLINOIS/NE MISSOURI. 850MB MOISTURE TRANSPORT VECTORS...ON THE WESTERN PERIPHERY OF A NEARLY STATIONARY 850MB HIGH POSITIONED OVER THE SE U.S....SHOW A PERSISTENT CONNECTION FROM THE WESTERN GULF OF MEXICO NORTHWARD INTO THE MIDWEST. PLEASE READ THE CLIMATE SECTION FOR MORE DETAILS REGARDING PRECIPITATION POTENTIAL. SUNDAY LATE EVENING AND SUNDAY NIGHT...SCT SHOWERS AND STORMS WILL LIKELY BE ONGOING DURING THE LATE EVENING ALTHOUGH INSTABILITY SHOULD BE DECREASING THROUGH THIS PERIOD. STRONG TO SEVERE STORMS ARE POSSIBLE ESPECIALLY PRIOR TO MIDNIGHT. SPC HAS A SLIGHT RISK FOR SEVERE STORMS ALONG AND EAST OF A FREEPORT IL-IOWA CITY IA-MEMPHIS MO LINE. MAIN RISKS ARE MOST LIKELY STRONG WIND GUSTS AND HEAVY RAIN WITHIN A WEAKLY SHEARED AND MOIST ENVIRONMENT...0-6 KM BULK SHEAR LESS THAN 25-30 KTS AND PWAT VALUES NEAR 2 INCHES OR NEAR THE 99TH PERCENTILE FOR THE MIDDLE OF JUNE. MEAN 850-300MB WINDS AND FORWARD-CORFIDI VECTORS INDICATE SLOW MOVING STORMS AT 15-20 MPH. PROXIMITY TO A 300MB RIGHT ENTRANCE REGION SHOULD KEEP WEAK UPPER DIVERGENCE ACROSS THE DVN CWA THROUGH THE NIGHT...PROVIDING SOME LIFT TO SUPPORT AT LEAST ISOLATED SHOWERS AND STORMS. WITH NO AREAS OF NOTABLE CONVERGENCE WIDESPREAD HEAVY RAIN IS NOT ANTICIPATED. MONDAY...SUBTLE INFLECTION/TROUGH APPARENT IN THE SFC-850 LAYER WILL MOVE ACROSS E IOWA/W ILLINOIS/NE MISSOURI. ASSOCIATED LOW-LEVEL CONVERGENCE AND DAYTIME HEATING SHOULD RESULT IN ISOLATED TO SCT SHOWER/STORM DEVELOPMENT. MUCAPE OF 1000-2000 J/KG AND SLIGHTLY HIGHER 0-6KM SHEAR OF 30-35 KTS COULD PRODUCE A FEW STRONG/SEVERE STORMS...MOST PROBABLE ALONG/EAST OF A STERLING IL-TO-BURLINGTON IA LINE. HIGHS ARE FORECAST NEAR 80 F. TUESDAY AND WEDNESDAY...A REMNANT TROPICAL LOW AND ATTENDANT HIGH MOISTURE CONTENT WILL INTERACT WITH A WESTERLY WAVE TO PRODUCE A ZONE OF VERY HEAVY RAIN OVER THE MIDWEST/OHIO VALLEY. AT THIS TIME THE VERY HEAVY RAIN ZONE IS FORECAST TO STAY MOSTLY SOUTH OF THE DVN CWA...THROUGH CENTRAL MISSOURI AND ILLINOIS. HIGH TEMPS AGAIN NEAR 80 F WITH SCT SHOWERS/STORMS BOTH DAYS. THURSDAY THROUGH SATURDAY...SIGNIFICANT MODEL DISCREPANCIES EXIST. THE ECMWF/GEM ARE FAIRLY WET THU NIGHT/FRI MORNING AND HAVE A COLD FRONT MOVING THROUGH...THE GFS IS MOSTLY DRY. HAVE 40 PERCENT POPS FOR NOW. HIGH TEMPS ARE FORECAST IN THE LOWER 80S. A MORE ACTIVE PATTERN IS POSSIBLE INTO NEXT WEEKEND. && .AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SUNDAY AFTERNOON) ISSUED AT 237 PM CDT SAT JUN 13 2015 REGION UNDER A DEEP MOIST LAYER OF GULF MOISTURE FROM LIGHT SOUTH WINDS PRODUCING MOSTLY CLOUDY TO CLOUDY SKIES AND AREAS OF SHOWERS AND THUNDERSTORMS. NO MAJOR CHANGE THE NEXT 24 HOURS WITH MOSTLY MVFR TO IFR CLOUD BASES EXCEPT LOW VFR POSSIBLE IN THE AFTERNOON. POPCORN SHOWERS AND STORMS...MOSTLY PM WITH BRIEF 1-3 MILES IN RAIN...POSSIBLY HEAVY AND CIGS 1-3K AGL. AFTER 14/05Z...WIDESPREAD MVFR AND AREAS OF IFR CONDITIONS TO DEVELOP AGAIN INTO MID MORNING ON SUNDAY WITH AREAS OF FOG LOW CLOUD BASES WITH SLOW IMPROVEMENT INTO MID DAY. && .CLIMATE... ISSUED AT 315 PM CDT SAT JUN 13 2015 THE CPC OUTLOOK FOR THE MIDDLE TO END OF JUNE HAS INCREASED CHANCES FOR ABOVE NORMAL PRECIPITATION ACROSS THE UPPER MIDWEST INCLUDING ALL OF E IOWA...W ILLINOIS...AND NE MISSOURI. MID-LEVEL WINDS SHOULD LARGELY BE OUT OF THE WEST/SOUTHWEST AND AT TIMES COULD BECOME PARALLEL TO LOW-LEVEL BOUNDARIES THAT OCCASIONAL SET UP ACROSS THE REGION. IT IS TOO EARLY TO FORECAST WITH MUCH DETAIL BUT THE MAIN MESSAGE HERE IS THAT ANOMALOUSLY MOIST ANTECEDENT CONDITIONS AND THE EXPECTED SYNOPTIC REGIME COULD SET THE STAGE FOR MORE FLASHING FLOODING OR POSSIBLY RIVER FLOODING EPISODES OVER THE NEXT 1-2 WEEKS. && .DVN WATCHES/WARNINGS/ADVISORIES... IA...NONE. IL...NONE. MO...NONE. && SYNOPSIS...NICHOLS SHORT TERM...NICHOLS LONG TERM...UTTECH AVIATION...NICHOLS CLIMATE...UTTECH
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 402 AM CDT SAT JUN 13 2015 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-140915- BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON- HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL- WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON- WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- 402 AM CDT SAT JUN 13 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL AGAIN BE POSSIBLE TODAY AND TONIGHT ACROSS THE AREA. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE...ESPECIALLY TONIGHT. THE STORM PREDICTION CENTER HAS A THREAT OF MARGINALLY SEVERE STORMS SOUTH OF HIGHWAY 30. IF SEVERE STORMS DEVELOP THE PRIMARY THREAT WOULD BE DAMAGING WINDS. AREA RIVERS ARE EXPERIENCING FLOODING. PLEASE SEE THE LATEST FLOOD STATEMENTS AND FLOOD WARNINGS FOR DETAILS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE WILL BE A THREAT FOR THUNDERSTORMS...THROUGHOUT THE ENTIRE EXTENDED FORECAST THROUGH FRIDAY. AT THIS TIME...BOTH HEAVY RAIN...AND SEVERE STORMS APPEAR POSSIBLE ON SUNDAY AND MONDAY...ESPECIALLY IN THE AFTERNOON AND EVENING HOURS. THE WARM AND HUMID CONDITIONS ALONG A STATIONARY FRONT OVER THE OUTLOOK AREA...WILL FUEL STRONG AFTERNOON THUNDERSTORMS...WHICH MAY BRING THE THREAT FOR DAMAGING WINDS SUNDAY AND MONDAY AFTERNOONS. THIS THREAT WILL THEN TRANSITION TO HEAVY RAINS...AND POSSIBLE FLASH FLOODING...AND ADDITIONAL RISES ON AREA RIVERS. TUESDAY THROUGH FRIDAY...IT IS TOO EARLY TO DETERMINE A THREAT FOR SEVERE WEATHER...BUT WITH SATURATED SOILS...ANY ADDITIONAL HEAVY RAIN COULD POSSIBLY CAUSE FLOODING PROBLEMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. RAINFALL REPORTS OF OVER AN INCH ARE APPRECIATED.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
234 PM CDT SAT JUN 13 2015
ILZ009-016-017-132030-
WHITESIDE-BUREAU-HENRY-
234 PM CDT SAT JUN 13 2015
...A STRONG THUNDERSTORM WILL AFFECT HENRY...WESTERN BUREAU AND
SOUTHEASTERN WHITESIDE COUNTIES...
AT 233 PM CDT...A STRONG THUNDERSTORM WAS NEAR CAMBRIDGE...MOVING
NORTHEAST AT 35 MPH.
WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
KEWANEE...PRINCETON...CAMBRIDGE...GENESEO...GALVA...WALNUT...
WYANET...ATKINSON...SHEFFIELD...ANNAWAN...TISKILWA...TAMPICO...
BUDA...HOOPPOLE...DEER GROVE...NEPONSET...OSCO...YORKTOWN...MANLIUS
AND MINERAL.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 80 IN ILLINOIS BETWEEN MILE MARKERS 14 AND 55.
INTERSTATE 74 IN ILLINOIS BETWEEN MILE MARKERS 17 AND 19.
INTERSTATE 88 NEAR MILE MARKER 42.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY
CAUSE LOCALIZED PONDING OF WATER. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.
LAT...LON 4129 8943 4123 8967 4123 8987 4118 8987
4115 9000 4115 9015 4139 9035 4176 8966
4170 8963 4159 8963 4158 8957
TIME...MOT...LOC 1933Z 235DEG 31KT 4137 9020
NICHOLSPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
248 PM CDT SAT JUN 13 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0233 PM TSTM WND GST 2 WNW CAMBRIDGE 41.32N 90.23W
06/13/2015 E50 MPH HENRY IL TRAINED SPOTTER
ESTIMATED WIND GUSTS OF AT LEAST 50 MPH FOR ABOUT A
MINUTE. TIME ESTIMATED OFF OF RADAR.
&&The Quad Cities radar (KDVN), 68 km away, was scanning. The volume nearest the first event began at 20:27 UTC.
1 thunderstorm wind, 1 hail. Local standard time, as filed.
Power lines were reported down due to strong winds, on Route 6, east of Mineral, Illinois.
A public report of quarter size hail was received.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2015Every state in 2015This day in weather historyWarnings in Illinois, 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: 585290, 585286.