A clipper system crossed the Ohio Valley during the day, producing a few inches of snow in west central and central Ohio.
Every event with a place to put it; 11 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 ILN wrote it up.
A clipper system crossed the Ohio Valley during the day, producing a few inches of snow in west central and central Ohio.
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 Wilmington, OH wrote its last area forecast discussion before the first event at Mar 23, 9:45 AM EST, 2 hours 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 1045 AM EDT MON MAR 23 2015 .SYNOPSIS... A CLIPPER TYPE DISTURBANCE WILL TRACK SOUTHEAST INTO THE OHIO VALLEY TODAY....BRING A CHANCE OF RAIN AND SNOW. A WARM FRONT WILL LIFT NORTHWARD ON TUESDAY BRINGING ADDITIONAL PRECIPITATION CHANCES TO THE REGION AND WARMER TEMPERATURES FOR MID WEEK. A COLD FRONT WILL PUSH THROUGH ON THURSDAY WITH SHOWERS AND MUCH COLDER AIR FOR THE END OF THE WEEK. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... A POTENT SHORTWAVE CURRENTLY OVER ILLINOIS WILL CONTINUE TO PUSH TO THE SOUTHEAST TODAY BRINGING A MIX OF SNOW AND RAIN TO THE AREA. HIGH RES MODELS ARE PUSHING THE PRECIP INTO THE AREA THIS AFTERNOON AROUND 5 PM. FORECAST SOUNDINGS FROM BOTH THE GFS AND NAM SHOW ALMOST THE ENTIRE PROFILE BELOW FREEZING (EXCEPT RIGHT AT THE SURFACE). THIS WOULD SUPPORT PRECIP REACHING THE GROUND AS SNOW WITH RAIN MIXING IN. EXPECT ANY ACCUMULATIONS OF SNOW TO REMAIN AROUND AND NORTH OF I-70 AND TO BE IN THE 1" TO 2" RANGE. RELATIVELY WARM GROUND TEMPERATURES SHOULD ALLOW THE SNOW TO MELT ON MOST ROADWAYS...HOWEVER ELEVATED SURFACES SUCH AS BRIDGES AND OVERPASSES MAY BECOME SLICK. MOTORISTS SHOULD USE EXTRA CAUTION...ESPECIALLY WHEN DRIVING OVER BRIDGES AND OVERPASSES. PREVIOUS.. NORTHWEST FLOW ALOFT WITH EMBEDDED S/W OVER THE NRN PLAINS DROPPING SE INTO THE UPPER MS VLY THIS MORNING AND INTO OHIO VALLEY BY EVENING. THIS S/W SHEARS OUT AND WEAKENS AS IT ENTERS THE OHIO VALLEY. QUESTION REVOLVES AROUND HOW QUICKLY IT WILL WEAKEN AND THE AMOUNT OF QPF AND SNOW. NUMERICAL MODEL SOLNS HAVE TRENDED A LTL STRONGER WITH THIS SYSTEM AND ASSOCIATED LOW LEVEL JET. HAVE BUMPED UP POPS TO CATEGORICAL ACROSS WEST CENTRAL/PORTIONS OF E CENTRAL INDIANA THIS AFTN. LEADING EDGE SNOW INTO CHICAGO ASSOCIATED WITH ISENTROPIC LIFT. SYNOPTIC MODEL SOLNS ARE TOO SLOW WITH THIS INITIAL AXIS. HAVE FOLLOWED A BLEND OF ARW/NMM FOR START TIME INTO W CENTRAL OHIO THIS MORNING. BEST LIFT INTO THE AREA BETWEEN 18Z AND 00Z. REGARDING QPF...THE NAM IS STRONGEST WITH LLJ AND THEREFORE HAS HIGHEST QPF. HAVE OPTED FOR A BLENDED SOLN WHICH YIELDS UP TO 2 INCHES OF SNOW ACRS WEST CENTRAL OHIO. THIS IS AN INCREASE. WILL HIGHLIGHT THIS POTENTIAL IN HWO AND SPS PRODUCTS. THE ACCUMULATING SNOW IS EXPECTED TO BE NORTH OF I-70. FURTHER SOUTH THERMAL FIELDS WILL YIELD MAINLY A RAIN EVENT. REGARDING TEMPERATURES...EXPECT HIGHS TO BE BELOW NORMAL RANGING FROM THE MID 30S NW TO THE LOWER 50S FAR SOUTH. && .SHORT TERM /6 PM THIS EVENING THROUGH WEDNESDAY/... DISTURBANCE EMBEDDED IN NW FLOW WILL SHEAR AND WEAKEN AS IT TRACKS THRU THE OHIO VALLEY THIS EVENING. THIS SYSTEM WILL BRING A MIX OF LIGHT RAIN AND SNOW TO THE REGION...WHICH WILL END THIS EVENING. EXPECT A GENERAL LULL IN PCPN ACTIVITY OVERNIGHT WITH CLOUDS STAYING AROUND. OVERNIGHT LOWS WILL BE BELOW NORMAL...RANGING FROM THE LOWER 20S NW TO THE MID 30S SOUTH. FLOW WILL TRANSITION WITH UPPER LEVEL RIDGE BUILDING OVER THE GREAT LAKES TUESDAY. ISENTROPIC LIFT TO DEVELOP TUESDAY WITH PCPN DEVELOPING NORTH OF SFC WARM FRONT OVER TN VLY. HAVE LIMITED PCPN TO THE SW AND KEPT POPS IN CHANCE CATEGORY WITH BEST LIFT/MOISTURE TO OUR WEST. LOW LEVEL EASTERLY FLOW AND CLOUDS WILL KEEP TEMPS BELOW NORMAL WITH HIGHS FROM THE MID 40S NORTH TO THE LOWER/MID 50S SOUTH. NEGATIVELY TILTED S/W TO LIFT NE INTO THE GREAT LAKES TUESDAY NIGHT/WED. WARM FRONT TO PIVOT NORTH THRU ILN/S FA TUESDAY NIGHT. THIS WILL KEEP A CHANCE OF PCPN IN THE FORECAST. TEMPERATURES WILL BE MILD WITH LOWS FROM THE LOWER 40S NORTH TO THE UPPER 40S SOUTH. AS INITIAL S/W LIFTS ACRS THE GREAT LAKES A WEAKENING FRONT WILL WASH OUT AS IT PUSHES TOWARD THE AREA. HAVE BEST POPS ACRS THE WEST AND WITH LIMITED INSTBY HAVE CONTD TO MENTION SLIGHT CHC OF A THUNDERSTORM. EXPECT A WARM UP TO TEMPERATURES WITH HIGHS FROM THE LOWER 60S FAR NORTH TO NEAR 70 SE. && .LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/... SHOWERS AND POSSIBLY A FEW THUNDERSTORMS WILL SPREAD IN LATER WEDNESDAY NIGHT INTO THURSDAY AS LOW PRESSURE TRACKS UP THE OHIO VALLEY. COLDER AIR WILL RETURN BEHIND THE LOW WITH HIGH PRESSURE FINALLY BUILDING IN SATURDAY. TEMPERATURES WILL BE 10 DEGREES OR MORE BELOW NORMAL FOR THE END OF THE WEEK. AS THE HIGH MOVES EAST AND A COLD FRONT APPROACHES ON SUNDAY TEMPERATURES WILL START TO MODERATE BUT THERE WILL ALSO BE A CHANCE OF SHOWERS. && .AVIATION /15Z MONDAY THROUGH FRIDAY/... PERIOD STARTS VFR WITH HIGH PRESSURE CENTERED OVER THE GREAT LAKES. CONDITIONS WILL REMAIN VFR FOR THE MOST PART. HOWEVER...CLOUDS ARE INCREASING AHEAD OF A RATHER POTENT SHORT WAVE CURRENTLY IN WISCONSIN. ACCUMULATING SNOW WILL DEVELOP BEGINNING AROUND 18Z NORTH OF DAY. THE SNOW WILL HAVE MORE OF AN IMPACT AT NORTHERN SITES DAY CMH AND LCK WHERE VISIBILITIES COULD FALL TO IFR. SNOW SHOULD ALSO AFFECT ILN...WITH MVFR THE EXPECTED OUTCOME HERE. FARTHER SOUTH AT CVG AND LUK...IMPACTS SHOULD BE LESS SO KEPT FORECAST VFR THERE. THE SNOW WILL EXIT RAPIDLY TO THE EAST BY 04Z. MODELS SHOW LAYER OF MOISTURE DOWN AROUND 1000 FEET LATER IN THE TAF PERIOD. WENT WITH A SCATTERED CLOUD LAYER AROUND THAT LEVEL FOR NOW. WINDS WILL REMAIN NORTHEAST TO EAST THROUGH THE PERIOD AT AROUND 10 KNOTS. OUTLOOK...MVFR CEILINGS AND VISIBILITIES POSSIBLE WEDNESDAY AND WEDNESDAY NIGHT. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && SYNOPSIS...HAINES NEAR TERM...AR/HAINES SHORT TERM...AR LONG TERM... AVIATION...CONIGLIO
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 1047 AM EDT MON MAR 23 2015 INZ050-058-059-066-073>075-080-KYZ089>100-OHZ054>056-060>065-070>074- 077>082-088-241500- WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO- SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT- PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-MADISON-FRANKLIN OH-LICKING- PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY-FAIRFIELD-BUTLER-WARREN- CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE- SCIOTO- 1047 AM EDT MON MAR 23 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL OHIO AND SOUTHWEST OHIO. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. OHZ026-034-035-042>046-051>053-241500- HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI- CHAMPAIGN-CLARK- 1047 AM EDT MON MAR 23 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL OHIO...MIAMI VALLEY OF OHIO AND WEST CENTRAL OHIO. .DAY ONE...TODAY AND TONIGHT. A MIX OF RAIN AND SNOW WILL DEVELOP ACROSS THE AREA TODAY NORTH OF I- 70. UP TO TWO INCHES OF SNOW WILL BE POSSIBLE WITH THE HIGHEST TOTALS ALONG AND NORTH OF US 33 OVER WEST CENTRAL OHIO WHERE PRECIPITATION WILL BE MAINLY SNOW. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The national radar mosaic for the moment the first event began.
11 winter weather. Local standard time, as filed.
A spotter in Coldwater measured 4 inches of snow. Law enforcement west of Celina and a social media post in Celina both measured 3.5 inches of snow. In southern portions of the county, 2 inches of snow was measured in Maria Stein and in St. Henry.
A social media post from St. Marys showed that 4.3 inches of snow fell there. The EMA in Wapakoneta measured 4 inches of snow.
A social media post from McGuffey showed 2 inches of snow fell there. The county garage in Kenton measured an inch.
The observer northwest of Fort Loramie measured 3 inches of snow. A social media post from near Botkins measured 2.4 inches.
A member of the public located 3 miles southwest of Rushsylvania reported 4.5 inches of snow. Social media posts reported 3.5 inches of snow in Russells Point and 3.4 inches of snow in Bellefontaine. The county garage north of Bellefontaine measured 3 inches of snow.
The Dayton airport measured 0.7 inches of snow.
An inch and a half of snow was measured in Plain City.
Four and a half inches of snow was measured 4 miles north-northwest of Radnor. Three inches was measured in Delaware, while 2.8 inches fell in Sunbury.
Two inches of snow was measured in Hilliard. The Columbus airport measured 0.9 inches of snow.
An half inch of snow was reported in Springfield.
An inch of snow was reported in Pleasantville.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2015Every state in 2015This day in weather historyWarnings in Ohio, March 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: 566351, 566352, 566353, 566355, 566356, 566357, 566358, 566359, 566360, 566361, 566362.