Thunderstorm Wind, Cass
- When
- July 20, 3:53 PM EST
- Where
- Cass County, Dowagiac
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- GOVT OFFICIAL
- Coordinates
- 41.983, -86.100
Several trees down.
Damaging Winds in Michigan, July 20, 2005
2 thunderstorm wind, as filed by the National Weather Service.
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
- $10,000
- 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 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 Northern Indiana wrote its last area forecast discussion before the first event at Jul 20, 3:08 PM EST, 45 minutes earlier.
Area forecast discussion, Jul 20, 3:08 PM EST, 45 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTHERN INDIANA 308 PM EST WED JUL 20 2005 .SHORT TERM... TONIGHT AND THURSDAY... MCV MOVG EAST ACROSS WI THIS AFTN AIDING CONVECTIVE DVLPMNT TO OUR NW TODAY. WK SFC BOUNDARY EXTENDING FROM SRN LM SEWD ACROSS NWRN PORTION OF CWA WITH VERY WARM MOIST SW INFLOW ALSO HELPING TO SUSTAIN STORMS. LATEST NAM SEEMS TO HAVE DECENT HANDLE ON CONVECTIVE TRENDS...ALTHOUGH LOOKS A LITTLE SLOW WITH THE DVLPMNT. EXPECT THE MCS WILL CONTINUE TO MOVE SE ACROSS THE CWA THIS EVE AND WILL GO WITH LIKELY/CAT POPS OVER ALL BUT EXTREME SE. MAIN QUESTION IS IF MORE DVLPMNT WILL OCCUR BEHIND THIS LINE. THERE IS SOME CONVERGENCE OVER WRN WI SO FURTHER DVLPMNT POSSIBLE, THOUGH, ATTM APPEARS BEST FORCING WILL BE ASSOCD WITH ONGOING MCS AND WILL JUST GO WITH A CHC OF TSTMS AFTER MIDNIGHT. LIKEWISE, FORCING FOR MORE TSTMS TOMORROW IS QUESTIONABLE, BUT APPEARS THERE WILL BE WK LEFT OVER BOUNDARIES IN THE AREA ALONG WITH MODERATE INSTABILITY SO WILL LEAVE GOING CHC OF TSTMS IN FCST. GOING MINS TONIGHT GNRLY IN L70S SEEM REASONABLE AND NO CHANGES MADE. H85 TEMPS SUGGEST WE COULD WARM INTO THE L-M90S ON THU, BUT WITH LIGHT GRADIENT APPEARS MIXING WILL BE LIMITED AND THUS WENT WITH MET/MAV COMPROMISE WHICH IS IN U80S-L90S. WILL NEED TO WATCH HEAT INDEX FOR PSBL NPW, BUT, ATTM, APPEARS MARGINAL AND IF WE HIT CRITERIA WILL PRBLY BE BRIEF. && .LONG TERM... THURSDAY NIGHT THROUGH WEDNESDAY...RICH THETA E AIR HAD RETURNED ALREADY AHEAD OF NEXT SYSTEM. SHOULD BE PLENTY OF MOISTURE AVAILABLE AS NEXT DISTURBANCE MOVES ACROSS IN HIGH ZONAL FLOW OVER THE AREA...SO EXPECT SOME LINGERING THUNDERSTORMS THURSDAY NIGHT. FOR FRIDAY THROUGH NEXT WEDNESDAY...OVERALL PATTERN IS FOR THE UPPER RIDGE TO BUILD EAST INTO THE MID MISSISSIPPI VALLEY THEN FOR A DEEP UPPER TROF TO BUILD SOUTHEAST INTO THE GREAT LAKES REGION. KEPT TEMPERATURES WELL ABOVE NORMAL AHEAD OF THIS SYSTEM SUNDAY AND MONDAY. ADDED A CHANCE FOR THUNDER TUESDAY AND TUSDAY NIGHT AHEAD OF THIS NEXT SYSTEM. WENT WITH ONLY UPPER 70S FOR HIGHS WEDNESDAY AS GFS IS SHOWING SOME RUN TO RUN CONSISTENCY ALONG WITH THE 12Z ECMWF. MEX AND 850 MB FORECAST TEMPS INDICATE HIGHS IN THE 70S. && .AVIATION/UPDATE... AIRMASS CONTS TO DESTABILIZE AS MOISTURE RETURNS NE INTO OUR AREA. LINE OF TSTMS MOVG INTO NE IL AND ACRS LM EXPECTED TO STRENGTHEN DURING THE AFTN AND SHOULD AFFECT SBN BY 22Z AND FWA BY 00Z. CDFNT OVR UPR MS VALLEY SHOULD MOVE SE ACRS NRN INDIANA LATER TONIGHT. EXPECT TSTMS WILL REDEVELOP IN THE VCNTY OF THE FRONT THIS AFTN AND PERSIST AS FRONT MOVES SE INTO THE AREA TONIGHT WITH GOOD SWLY FLOW AHEAD OF THE FRONT AND INTERACTION WITH WARM FRONT/LEFT OVER BOUNDARY FM AFTN/EVE CONVECTION. THUS, HAVE SECOND ROUND OF TSTMS IN TAFS THIS EVE/OVRNGT. THU MORNING SHOULD BE FAIR WITH FRONT MOVG SOUTH OF AREA WITH ONLY SOME MORNING FOG TO CONTEND WITH. ZONES/GRIDS UPDATED TO INCREASE POPS TO LIKELY NW THIS AFTN AND ADD SVR MENTION WITH WATCH IN EFFECT. && .IWX WATCHES/WARNINGS/ADVISORIES... IN...NONE. MI...NONE. OH...NONE. LM...NONE. && AVIATION/SHORT TERM...JT LONG TERM...SKIP
Hazardous weather outlook, Jul 20, 10:31 AM EST, 5 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED GENERIC FORMAT NATIONAL WEATHER SERVICE NORTHERN INDIANA 1031 AM EST WED JUL 20 2005 INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005- 015-016-024-025-211015- ADAMS IN-ALLEN OH-ALLEN IN-BERRIEN MI-BLACKFORD IN-BRANCH MI-CASS MI- CASS IN-DE KALB IN-DEFIANCE OH-ELKHART IN-FULTON OH-FULTON IN- GRANT IN-HENRY OH-HILLSDALE MI-HUNTINGTON IN-JAY IN-KOSCIUSKO IN- LA PORTE IN-LAGRANGE IN-MARSHALL IN-MIAMI IN-NOBLE IN-PAULDING OH- PULASKI IN-PUTNAM OH-ST. JOSEPH MI-ST. JOSEPH IN-STARKE IN- STEUBEN IN-VAN WERT OH-WABASH IN-WELLS IN-WHITE IN-WHITLEY IN- WILLIAMS OH- INCLUDING THE CITIES OF...ANGOLA...ARCHBOLD...AUBURN... BENTON HARBOR...BENTON HEIGHTS...BERNE...BLUFFTON...BREMEN...BRYAN... BUCHANAN...BUTLER...COLDWATER...COLUMBIA CITY...DECATUR...DEFIANCE... DELPHOS...DOWAGIAC...DUNKIRK...DUNLAP...ELKHART...FAIR PLAIN... FAIRMOUNT...FORT SHAWNEE...FORT WAYNE...GARRETT...GAS CITY... GEORGETOWN...GOSHEN...GRANGER...GRISSOM AFB...GULIVOIRE PARK... HARTFORD CITY...HICKSVILLE...HILLSDALE...HUNTINGTON...KENDALLVILLE... KNOX...LA PORTE...LAGRANGE...LIGONIER...LIMA...LOGANSPORT...MARION... MICHIGAN CITY...MISHAWAKA...MONTICELLO...MONTPELIER...NAPOLEON... NAPPANEE...NEW HAVEN...NILES...NORTH MANCHESTER...OSSIAN...OTTAWA... PERU...PLYMOUTH...PORTLAND...ROCHESTER...SIMONTON LAKE... SOUTH BEND...ST. JOSEPH...STURGIS...SWANTON...SYRACUSE... THREE RIVERS...TRAIL CREEK...TRI-LAKES...UPLAND...VAN WERT... WABASH...WARSAW...WAUSEON...WESTVILLE...WINAMAC AND WINONA LAKE 1031 AM EST WED JUL 20 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN INDIANA...NORTHWEST OHIO AND SOUTHWEST LOWER MICHIGAN. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS OVER SOUTHERN WISCONSIN AND NORTHERN ILLINOIS LATE THIS MORNING ARE EXPECTED TO MOVE EAST INTO NORTHERN INDIANA AND SOUTHERN MICHIGAN THIS AFTERNOON. SOME OF THESE STORMS MAY BE SEVERE WEST OF A STURGIS TO PERU LINE... WITH DAMAGING WINDS THE PRIMARY THREAT. THUNDERSTORMS ARE EXPECTED TO CONTINUE SPREADING EASTWARD ACROSS THE AREA TONIGHT. AREAS OF HEAVY RAINFALL MAY DEVELOP THIS EVENING... ESPECIALLY OVER NORTHWESTERN PORTIONS OF THE AREA... WITH LOCALIZED FLOODING POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A SLIGHT RISK FOR SEVERE WEATHER THURSDAY INTO THURSDAY EVENING. DAMAGING WINDS AND LARGE HAIL ARE THE PRIMARY RISKS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND THIS EVENING. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES, OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX LMZ043-046-061-211015- 1031 AM EST WED JUL 20 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEAST LAKE MICHIGAN. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS OVER SOUTHERN WISCONSIN AND NORTHERN ILLINOIS LATE THIS MORNING... ARE EXPECTED TO MOVE EAST ACROSS EXTREME SOUTHEAST LAKE MICHIGAN THIS AFTERNOON AND CONTINUE TONIGHT. SOME OF THESE STORMS MAY CONTAIN WINDS IN EXCESS OF 35 KNOTS WITH HIGHER WAVES POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A CHANCE OF STRONG THUNDERSTORMS AGAIN THURSDAY INTO THURSDAY EVENING. WIND GUSTS ABOVE 35 KNOTS AND AND LARGE HAIL ARE POSSIBLE. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES, OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX/MARINE
The radar
The Northern Indiana radar (KIWX), 77 km away, was scanning. The volume nearest the first event began at 20:53 UTC.
Event by event
2 thunderstorm wind. Local standard time, as filed.
Thunderstorm Wind, St. Joseph
- When
- July 20, 4:12 PM EST to 4:15 PM EST
- Where
- St. Joseph County, Three Rivers
- Measured
- 50 kt (58 mph) estimated gust
- Property damage
- $10,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 41.933, -85.633
Several trees blown down on power lines and a large tree blown down on house.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Missouri, July 20 to 26, 2005
- Heat in Illinois, July 20 to 26, 2005
- Heat in North Carolina, July 20, 2005
- Rip Current in Florida, July 20, 2005
- Tornadoes in Texas, July 20, 2005
- Tornado in Florida, July 20, 2005
- Tornadoes and Storm Surge in Texas, July 20, 2005
- Hail and Damaging Winds in South Dakota, July 20, 2005
- Damaging Winds in Michigan, July 20, 2005
- Damaging Wind in Arizona, July 20, 2005
- Strong Wind in Alabama, July 20, 2005
- Damaging Winds and Lightning Strike in Illinois, July 20, 2005
More
Every storm in Michigan in 2005Every state in 2005This day in weather historyWarnings in Michigan, July 2005
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: 5470222, 5470221.