Hail, Defiance
- When
- August 18, 4:51 PM EST to 4:52 PM EST
- Where
- Defiance County, 2.32 mi NNW of The Bend
- Measured
- 0.75 in hail
- Reported by
- Law Enforcement
- Coordinates
- 41.310, -84.540
Hail in Ohio, August 18, 2011
A weak trough moved through the region, sparking thunderstorms across portions of northwest Ohio. A few of the storms produced hail to the size of dimes.
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
- 1
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 IWX wrote it up.
A weak trough moved through the region, sparking thunderstorms across portions of northwest Ohio. A few of the storms produced hail to the size of dimes.
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 Aug 18, 2:28 PM EST, 2 hours 23 minutes earlier.
Area forecast discussion, Aug 18, 2:28 PM EST, 2 hours 23 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTHERN INDIANA 328 PM EDT THU AUG 18 2011 .SHORT TERM... TONIGHT THROUGH FRIDAY NIGHT. TROUGH WAS SETTLING ACROSS THE AREA...WITH WIDELY SCATTERED CONVECTION DEVELOPING...MAINLY ACROSS NW OHIO IN AND AROUND DEFIANCE...AND IN AND AROUND KOSCIUSKO COUNTY. EXPECT THE SPOTTY NATURE TO CONTINUE WITH MAYBE A BIT OF AN UPSWING OVER THE NEXT HOUR OR SO. WILL GO WITH PRE 1ST PERIOD AND JUST RUN ISOLATED MENTION ALONG AND SOUTH OF PRESENT CONVECTION THROUGH 00Z. BOUNDARY WILL CONTINUE TO SINK SOUTH THROUGH TONIGHT. HAVE LEFT CHANCES FOR PATCHY SHALLOW FOG IN LATER TONIGHT WITH MOST LIKELY AREAS TO SEE ANY BEING WHERE CONVECTION HAS OCCURRED. DRIER AIR WILL SLOWLY SETTLE IN ON FRIDAY BUT THERMAL PROFILES WILL GENERALLY BE UNCHANGED RESULTING IN AFTERNOON HIGHS SIMILAR TO TODAYS VALUES IN THE LOW TO MID 80S. LAKE BREEZE MAY TAKE SHAPE ACROSS BERRIEN AND LA PORTE COUNTIES LOWERING HIGHS A TAD. ENERGY AND MSTR AHEAD OF THE NEXT WAVE WILL BEGIN TO MOVE TOWARDS THE WESTERN PARTS OF THE AREA LATE FRIDAY NIGHT. MODELS AGREE ON KEEPING BULK OF ACTIVITY TO THE WEST PRIOR TO 12Z SAT SO WILL MAINTAIN DRY FORECAST. HAVE BLENDED LOWS TONIGHT WITH BCCONSALL AS CONCERNED THAT VALUES MAY BE A BIT TOO WARM IN THE LOW TO MID 60S. FEW CHANGES TO FRI NGT LOWS. && .LONG TERM EARLY SATURDAY THROUGH NEXT FRIDAY... RIDGE OVER THE WESTERN/CENTRAL US WILL GRADUALLY BUILD NORTH AND EAST DURING THE PERIOD. LONGWAVE TROF OVER CANADA AND NORTHEAST US WILL KEEP NORTHERLY FLOW OVER THE GREAT LAKES PROVIDING SEASONABLE TEMPERATURES AND A SERIES OF SHORT-WAVES TO DIVE INTO THE FORECAST AREA. THE FIRST ROUND OF PRECIPITATION WILL OCCUR SATURDAY INTO SUNDAY AS THE RIDGE IN THE WEST AMPLIFIES AND SENDS SEVERAL SHORTWAVES AND AN ASSOCIATED COLD FRONT THROUGH THE GREAT LAKES. AT THIS TIME...BEST DYNAMICS AND MOISTURE ARE SOUTH OF THE AREA...BEST SUPPORT WILL BE SOUTH AND EAST OF THE REGION. NEXT ROUND OF CONVECTION WILL COME LATER IN THE WEEK. FRONTAL BOUNDARY INTENSIFIES AND MODELS CONTINUE TO HINT AT CYCLONIC DEVELOPMENT OVER THE OHIO RIVER VALLEY. THE TIMING AND LOCATION OF THE FRONT WILL DICTATE THE AMOUNT OF MOISTURE...AND THE TIMING DIFFERENCES IN THE MODELS MAKE THE FORECASTING OF CONVECTION THAT FAR OUT PROBLEMATIC. HAVE KEPT THE TREND OF THE PREVIOUS FORECAST...INTRODUCING CHANCE OF SHRA/TSRA LATE IN THE DAY WEDNESDAY AND EXITING THE REGION LATE THURSDAY. EITHER WAY...RAINFALL AMOUNTS WILL LIKELY BE LIGHT AND WIDESPREAD HEAVY RAINFALL IS NOT EXPECTED. && .AVIATION... /18Z TAFS/ KSBN WILL LIKELY BE CONVECTION FREE WITH MAIN BOUNDARY NOW SE OF THE AIRPORT. WIND SHIFT ITSELF WILL PASS THROUGH OVER THE NEXT COUPLE OF HOURS BRINGING NW FLOW IN. AT KFWA...CONVECTIVE CHANCES STILL LINGER WITH PREV VCTS MENTION ON TARGET UNTIL INITIATION OCCURS. ONCE THE BOUNDARY PASSES...LITTLE MORE THAN SOME PATCHY FOG WILL BE SEEN AT BOTH SITES LATER TONIGHT. ANOTHER DISTURBANCE WILL MOVE IN DURING THE DAY FRI TO BRING AN OUTSIDE CHANCE FOR CONVECTION. HOWEVER...GIVEN LIMITED MSTR AND CONVERGENCE WILL NOT ADD TO TAFS. && .IWX WATCHES/WARNINGS/ADVISORIES... IN...NONE. MI...NONE. OH...NONE. LM...NONE. && SHORT TERM...FISHER LONG TERM...LEWIS AVIATION...FISHER
Hazardous weather outlook, Aug 18, 3:06 AM EST, 13 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTHERN INDIANA 406 AM EDT THU AUG 18 2011 INZ007>009-015>018-020-022>027-032>034-MIZ081-OHZ001-002-004-005-015- 016-024-025-190815- STEUBEN-NOBLE-DE KALB-FULTON IN-KOSCIUSKO-WHITLEY-ALLEN IN-WHITE- CASS IN-MIAMI-WABASH-HUNTINGTON-WELLS-ADAMS-GRANT-BLACKFORD-JAY- HILLSDALE-WILLIAMS-FULTON OH-DEFIANCE-HENRY-PAULDING-PUTNAM-VAN WERT- ALLEN OH- INCLUDING THE CITIES OF...ANGOLA...KENDALLVILLE...LIGONIER... AUBURN...GARRETT...ROCHESTER...WARSAW...WINONA LAKE... COLUMBIA CITY...SOUTH WHITLEY...FORT WAYNE...MONTICELLO... BROOKSTON...LOGANSPORT...PERU...WABASH...NORTH MANCHESTER... HUNTINGTON...BLUFFTON...OSSIAN...DECATUR...BERNE...MARION... HARTFORD CITY...MONTPELIER...PORTLAND...HILLSDALE...BRYAN... WAUSEON...ARCHBOLD...DEFIANCE...NAPOLEON...PAULDING...ANTWERP... OTTAWA...PANDORA...VAN WERT...DELPHOS...LIMA 406 AM EDT THU AUG 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST OHIO... SOUTHWEST LOWER MICHIGAN AND NORTHERN INDIANA. .DAY ONE...TODAY AND TONIGHT ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. A FEW OF THE STORMS MAY PRODUCE GUSTY WINDS WITH A THREAT OF ISOLATED DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS A CHANCE OF THUNDERSTORMS SATURDAY THROUGH SUNDAY EVENING. .SPOTTER INFORMATION STATEMENT... WIDESPREAD SEVERE WEATHER IS NOT EXPECTED AND SPOTTER ACTIVATION IS NOT ANTICIPATED. HOWEVER...ISOLATED DAMAGING WIND GUSTS WILL BE POSSIBLE THIS AFTERNOON. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX INZ003>006-012>014-MIZ077>080-190815- LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STARKE-PULASKI-MARSHALL- BERRIEN-CASS MI-ST. JOSEPH MI-BRANCH- INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND... MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...KNOX... NORTH JUDSON...WINAMAC...FRANCESVILLE...PLYMOUTH...BREMEN...NILES... BENTON HARBOR...ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS... STURGIS...THREE RIVERS...COLDWATER 406 AM EDT THU AUG 18 2011 /306 AM CDT THU AUG 18 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER MICHIGAN AND NORTHERN INDIANA. .DAY ONE...TODAY AND TONIGHT ISOLATED THUNDERSTORMS ARE POSSIBLE...MAINLY THIS MORNING. SEVERE WEATHER IS NOT EXPECTED. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS A CHANCE OF THUNDERSTORMS SATURDAY AND SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX LMZ043-046-190815- NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI- 406 AM EDT THU AUG 18 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF SOUTHEASTERN LAKE MICHIGAN. .DAY ONE...TODAY AND TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS A CHANCE OF THUNDERSTORMS SATURDAY AND SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR CHECK OUR WEB SITE AT WEATHER.GOV/IWX
The radar
The Northern Indiana radar (KIWX), 97 km away, was scanning. The volume nearest the first event began at 21:49 UTC.
Event by event
1 hail. Local standard time, as filed.
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
- Hail and Damaging Winds in Missouri, August 18 to 19, 2011
- Flash Flooding and Hail in Utah, August 18 to 22, 2011
- Hail and Damaging Winds in South Dakota, August 18, 2011
- Hail and Damaging Winds in Iowa, August 18, 2011
- Hail in Ohio, August 18 to 19, 2011
- Flash Flood and Damaging Winds in Arizona, August 18, 2011
- Hail in South Dakota, August 18, 2011
- Flash Flood and Hail in Nebraska, August 18, 2011
- Tornado and Hail in North Carolina, August 18, 2011
- Hail and Damaging Winds in Pennsylvania, August 18 to 19, 2011
- Flash Flood and Dust Storm in Arizona, August 18, 2011
- Tornado and Flash Flood in Nebraska, August 18, 2011
More
Every storm in Ohio in 2011Every state in 2011This day in weather historyWarnings in Ohio, August 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: 338851.