Hail, Waupaca
- When
- July 18, 4:59 PM CST
- Where
- Waupaca County, 3.62 mi NE of Partridge Lake
- Measured
- 0.75 in hail
- Reported by
- Trained Spotter
- Coordinates
- 44.330, -88.820
A trained spotter measured three-quarter inch hail.
Hail in Wisconsin, July 18, 2011
Scattered strong to severe thunderstorms formed along a weak cold front in a very unstable air mass.
Where it happened
Every event with a place to put it. 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
- 2
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 GRB wrote it up.
Scattered strong to severe thunderstorms formed along a weak cold front in a very unstable air mass.
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 Green Bay, WI wrote its last area forecast discussion before the first event at Jul 18, 2:57 PM CST, 2 hours 2 minutes earlier.
Area forecast discussion, Jul 18, 2:57 PM CST, 2 hours 2 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREEN BAY WI 357 PM CDT MON JUL 18 2011 .SHORT TERM...TONIGHT AND TUESDAY. SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM THIS EVENING. SCATTERED THUNDERSTORMS FORM ON WEAK BOUNDARY ACROSS NORTHERN WISCONSIN. SURFACE BASE CAPES OF 4000 TO 5000 J/KG WITH LITTLE CIN AND 0-6KM WIND SHEAR OF 40 TO 45 KNOTS WOULD SUGGEST GOOD POTENTIAL FOR SEVERE WEATHER. AS OF 330 PM...THERE HAVE BEEN SOME STRONGER STORMS BUT NO SIGNIFICANT WINDS REPORTS RECEIVED SO FAR. WILL CONTINUE MENTION/DEPICTION OF SEVERE IN ZONES/GRIDS. THE THUNDERSTORM ACTIVITY SHOULD END LATE THIS AFTERNOON ACROSS THE NORTH AND BY 9 PM THIS EVENING ACROSS THE SOUTH. ATTENTION THEN TURNS TO WEAK FEATURE MOVING ACROSS THE DAKOTAS. THIS SYSTEM COULD BRING A CHANCE OF SHOWERS AND THUNDERSTORMS TO THE SOUTHERN PORTION OF THE FORECAST AREA. AREAS OF FOG WILL DEVELOP ACROSS MUCH OF THE AREA. ON TUESDAY...THERE SHOULD BE A BRIEF BREAK IN THE HUMIDITY ACROSS THE FAR NORTH. HIGHS WILL BE CLOSE TO 90...BUT DEW POINTS ARE EXPECTED TO DROP BACK INTO THE MIDDLE AND HIGH 60S. HEAT INDICES ACROSS THE NORTH SHOULD REMAIN IN THE 90S. ACROSS THE SOUTH... NOT MUCH CHANCE OF LOSING THE HUMIDITY...THEREFORE HEAT INDICES SHOULD BE AROUND 100. WILL LET HEAT ADVISORY EXPIRE AT 7 PM THIS EVENING AND WILL CONTINUE EXCESSIVE HEAT WARNING SINCE HEAT WILL BE BUILDING AGAIN ON WEDNESDAY. .LONG TERM...TUESDAY NIGHT THRU NEXT MONDAY. MAIN FORECAST CONCERNS ARE THE HEAT WAVE AND TIMING POSSIBLE CONVECTION. UPPER RIDGE WILL HANG TOUGH OVER THE CENTRAL US INTO WEDNESDAY...THEN SLOWLY BREAKDOWN LATER THIS WEEK. THIS WILL KEEP THE HOT AND HUMID WEATHER CONDITIONS ACROSS THE AREA THRU AT LEAST SATURDAY. 850MB TEMPS HOVER BETWEEN 20C AND 24C THROUGH SATURDAY...WITH HIGHER HEIGHTS ON WED AND THURS. IF 24C TEMPS ARE REALIZED EITHER DAY...SOME SPOTS COULD MAKE A RUN AT 100 DEGREES ACROSS CENTRAL WI. WILL NOT GO THAT HIGH THIS FORECAST...BUT STILL STAY WITH ABOVE GUIDANCE VALUES IN THE LOWER TO MIDDLE 90S FOR MOST LOCATIONS. AS THE UPPER RIDGE FLATTENS THIS WEEKEND...HEIGHTS WILL FALL AND TEMPS WILL PEAK OUT IN THE UPPER 80S OR LOWER 90S. TEMPS WILL ALSO BE INFLUENCED BY ANY MCS OR SCATTERED CONVECTION DEVELOPS. SPEAKING OF CONVECTION...WILL NOT MAKE ANY MAJOR CHANGES TO THE POPS. STILL HARD TO TIME OUT EACH RIPPLE IN THE RING OF FIRE PATTERN AROUND THE UPPER RIDGE. DECENT SHOT OF CONVECTION TUESDAY NIGHT WITH SHORTWAVE PROGGED TO CROSS NORTHERN WI AND A FRONT LIFTS BACK NORTH AS A WARM FRONT. OTHERWISE...CHANCE FOR STORMS ACROSS THE NORTH ON WED AND WED NIGHT...THEN ACROSS THE ENTIRE AREA THURSDAY NIGHT THRU SATURDAY NIGHT. && .AVIATION...SCATTERED THUNDERSTORMS SHOULD END ACROSS THE NORTH LATE THIS AFTERNOON AND FOR LOCATIONS MAINLY SOUTH OF HIGHWAY 29 EARLY THIS EVENING. SOME OF THE STRONGER STORMS WILL PRODUCE GUSTY WINDS TO OVER 30 KNOTS WITH MVFR/IFR CEILINGS AND VISIBILITIES. THERE IS A CHANCE OF THUNDERSTORMS AGAIN OVERNIGHT SOUTH OF A GREEN BAY TO WAUSAU LINE. AREAS OF FOG WITH MVFR/IFR CONDITIONS EXPECTED AT MOST LOCATIONS. AIRPORTS OVER THE FAR NORTH INCLUDING KEGV...KLNL...KRHI MAY SEE LIFR/VLIFR DUE TO LOW CLOUDS AND DENSE FOG. && .GRB WATCHES/WARNINGS/ADVISORIES... EXCESSIVE HEAT WARNING UNTIL 7 PM CDT THURSDAY FOR WIZ020-030- 031-035>039-045-048-049. HEAT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR WIZ005-010>013-018- 019-021-073-074. && ECKBERG/BERSCH
Hazardous weather outlook, Jul 18, 2:58 PM CST, 2 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREEN BAY WI 358 PM CDT MON JUL 18 2011 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-192100- VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE- MENOMINEE-NORTHERN OCONTO-DOOR-MARATHON-SHAWANO-WOOD-PORTAGE- WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-WINNEBAGO-CALUMET- MANITOWOC-SOUTHERN MARINETTE-SOUTHERN OCONTO- 358 PM CDT MON JUL 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST WISCONSIN. .DAY ONE...TONIGHT A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM THIS EVENING. SOME STORMS WILL BE SEVERE WITH DAMAGING WINDS AND LOCALLY HEAVY. HEAT INDICES WILL DROP BELOW 100 DEGREES EARLY THIS EVENING ACROSS CENTRAL AND NORTHEAST WISCONSIN AWAY FROM THE BAY AND LAKE. THIS HEAT CAN BE DANGEROUS FOR PEOPLE WHO EXERT THEMSELVES OUTDOORS... AND POSSIBLY FOR THOSE IN RESIDENCES WITHOUT AIR CONDITIONING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY A HAZARDOUS COMBINATION OF HEAT AND HUMIDITY IS LIKELY FOR ALL OR PART OF THE PERIOD FROM TUESDAY THROUGH FRIDAY. HIGH TEMPERATURES IN THE 90S AND DEW POINTS IN THE 70S WILL PRODUCE AFTERNOON HEAT INDICES OVER 100 DEGREES ON SOME OR ALL OF THESE DAYS. THOSE RESPONSIBLE FOR CONSTRUCTION CREWS AND LARGE OUTDOOR EVENTS SHOULD MAKE PLANS FOR PROVIDING SHADE...WATER AND PLACES FOR PEOPLE TO COOL OFF. THOSE CARING FOR CHILDREN...THE ELDERLY...AND DISABLED SHOULD ENSURE THEY ARE NOT ENDANGERED BY THE UPCOMING HOT WEATHER. THERE IS A CHANCE OF THUNDERSTORMS FROM TIME TO TIME TUESDAY THROUGH SATURDAY. IT IS TOO EARLY TO DETERMINE WHEN AND WHERE SEVERE WEATHER WOULD OCCUR. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE NEEDED THROUGH MID EVENING. LMZ521-522-541>543-192100- THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN- 358 PM CDT MON JUL 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST LAKE MICHIGAN AND THE WATERS OF GREEN BAY. .DAY ONE...TONIGHT PATCHY DENSE FOG CAN BE EXPECTED OVER THE COASTAL WATERS OF LAKE MICHIGAN AS A WARM AND HUMID AIR MOVES OVER THE COLDER WATERS. IN ADDITION TO THE POSSIBLE FOG...SCATTERED THUNDERSTORMS COULD PRODUCE STRONG WINDS EARLY THIS EVENING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY DENSE MARINE FOG WILL OCCUR FROM TIME TO TIME ACROSS THE COASTAL WATERS OF LAKE MICHIGAN THROUGH MUCH OF THE WEEK. VERY WARM AND HUMID AIR WILL REMAIN OVER THE COOLER WATERS OF LAKE MICHIGAN. THE FOG IS USUALLY MOST DENSE WHERE THE WATER IS COLDEST AND WHEN WINDS ARE LIGHT. THERE IS A CHANCE OF THUNDERSTORMS FROM TIME TO TIME TUESDAY THROUGH SATURDAY. IT IS TOO EARLY TO DETERMINE WHEN AND WHERE SEVERE WEATHER WOULD OCCUR. ECKBERG/BERSCH
In the hours before
Special weather statement, Jul 18, 2:35 PM CST, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 335 PM CDT MON JUL 18 2011 WIZ005-010>012-182130- FLORENCE-FOREST-ONEIDA-VILAS- 335 PM CDT MON JUL 18 2011 ...SIGNIFICANT WEATHER ADVISORY... AT 333 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER NORTHWESTERN FOREST COUNTY...MOVING SOUTHEAST AT 25 MPH. ONE HALF INCH DIAMETER HAIL...WINDS 40 TO 45 MPH...AND BRIEF HEAVY DOWNPOURS ARE POSSIBLE WITH THIS STORM. * THE THUNDERSTORM WILL BE NEAR... LONG LAKE BY 410 PM CDT... NEWALD BY 420 PM CDT... GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. KIECKBUSCH
Special weather statement, Jul 18, 2:37 PM CST, 2 hours 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 337 PM CDT MON JUL 18 2011 WIZ011-013-019-021-073-074-182130- FOREST-LANGLADE-NORTHERN MARINETTE COUNTY-NORTHERN OCONTO COUNTY-SOUTHERN MARINETTE COUNTY-SOUTHERN OCONTO COUNTY- 337 PM CDT MON JUL 18 2011 ...SIGNIFICANT WEATHER ADVISORY... AT 333 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER EXTREME SOUTHEASTERN FOREST COUNTY...MOVING SOUTHEAST AT 25 MPH. ONE HALF INCH DIAMETER HAIL...WINDS 40 TO 45 MPH...AND BRIEF HEAVY DOWNPOURS ARE POSSIBLE WITH THIS STORM. * THE THUNDERSTORM WILL BE NEAR... LAKEWOOD BY 345 PM CDT... HIGH FALLS RESERVOIR BY 410 PM CDT... GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. KIECKBUSCH
Special weather statement, Jul 18, 2:59 PM CST, 2 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 359 PM CDT MON JUL 18 2011 WIZ020-021-073-074-182200- MENOMINEE-NORTHERN OCONTO COUNTY-SOUTHERN MARINETTE COUNTY-SOUTHERN OCONTO COUNTY- 359 PM CDT MON JUL 18 2011 ...STRONG THUNDERSTORM IN NORTHERN OCONTO COUNTY... AT 356 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES NORTHEAST OF MOUNTAIN...MOVING SOUTHEAST AT 25 MPH. PENNY SIZE HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING AND BRIEF HEAVY DOWNPOURS ARE POSSIBLE WITH THIS STORM. * THE THUNDERSTORM WILL BE NEAR... GILLETT BY 450 PM CDT... GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. KIECKBUSCH
Special weather statement, Jul 18, 3:17 PM CST, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 417 PM CDT MON JUL 18 2011 WIZ030-031-035>037-182245- MARATHON-PORTAGE-SHAWANO-WAUPACA-WOOD- 417 PM CDT MON JUL 18 2011 ...THUNDERSTORMS MOVING OVER CENTRAL WISCONSIN... AT 410 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS FROM 12 MILES WEST OF WAUSAU TO BIRNAMWOOD TO 5 MILES NORTH OF SHAWANO...MOVING SOUTHEAST AT 30 MPH. WINDS GUSTS TO 40 TO 45 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...AND BRIEF DOWNPOURS...ARE POSSIBLE WITH A FEW OF THESE STORMS. * THUNDERSTORMS WILL BE NEAR... RIB MOUNTAIN BY 420 PM CDT... WESTON BY 425 PM CDT... WITTENBERG BY 440 PM CDT... SPENCER AND MOSINEE BY 445 PM CDT... BEVENT BY 450 PM CDT... MARSHFIELD BY 505 PM CDT... CLINTONVILLE BY 515 PM CDT... GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM CDT. TDH
Special weather statement, Jul 18, 4:03 PM CST, 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 503 PM CDT MON JUL 18 2011 WIZ018-019-030-031-182300- LANGLADE-LINCOLN-MARATHON-SHAWANO- 503 PM CDT MON JUL 18 2011 ...STRONG THUNDERSTORM OVER SOUTHEAST LINCOLN COUNTY... AT 500 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 6 MILES EAST OF MERRILL...MOVING SOUTHEAST AT 25 MPH. GUSTY WINDS TO 50 MPH...TORRENTIAL RAINFALL ARE POSSIBLE WITH THIS STORM. * THE THUNDERSTORM WILL BE NEAR... WITTENBERG BY 600 PM CDT... SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM. TDH
Special weather statement, Jul 18, 4:14 PM CST, 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 514 PM CDT MON JUL 18 2011 WIZ031-037>039-182315- BROWN-OUTAGAMIE-SHAWANO-WAUPACA- 514 PM CDT MON JUL 18 2011 ...SIGNIFICANT WEATHER ADVISORY... AT 509 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR CLINTONVILLE...MOVING SOUTHEAST AT 40 MPH. ONE HALF INCH DIAMETER HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING AND BRIEF HEAVY DOWNPOURS ARE POSSIBLE WITH THIS STORM. * THE THUNDERSTORM WILL BE NEAR... BLACK CREEK BY 530 PM CDT... KAUKAUNA BY 555 PM CDT... GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. KIECKBUSCH
The radar
The Green Bay radar (KGRB), 59 km away, was scanning. The volume nearest the first event began at 23:00 UTC.
Event by event
2 hail. Local standard time, as filed.
Hail, Waupaca
- When
- July 18, 5:15 PM CST
- Where
- Waupaca County, 2.3 mi NNW of North Readfield
- Measured
- 1 in hail
- Reported by
- Trained Spotter
- Coordinates
- 44.310, -88.790
A trained spotter estimated hail 1.00 inch in diameter.
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Excessive Heat in Minnesota, July 18 to 20, 2011
- Damaging Winds in Michigan, July 18, 2011
- Hail and Damaging Winds in Ohio, July 18, 2011
- Flash Flood and Lightning Strike in Colorado, July 18, 2011
- Flash Flood and Flooding in Pennsylvania, July 18, 2011
- Dust Storm and Hail in Arizona, July 18, 2011
- Flash Flood and Flood in Wisconsin, July 18, 2011
- Damaging Winds in Wisconsin, July 18, 2011
- Damaging Winds and Lightning Strike in Massachusetts, July 18, 2011
- Damaging Winds in Pennsylvania, July 18, 2011
- Hail in North Dakota, July 18, 2011
- Hail and Damaging Winds in Ohio, July 18, 2011
More
Every storm in Wisconsin in 2011Every state in 2011This day in weather historyWarnings in Wisconsin, July 2011
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: 324968, 324970.