Scattered thunderstorms developed well ahead of a cold front moving east from the Great Lakes. One storm produced isolated flash flooding over Noble county, Ohio.
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 PBZ wrote it up.
Scattered thunderstorms developed well ahead of a cold front moving east from the Great Lakes. One storm produced isolated flash flooding over Noble county, 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 Pittsburgh, PA wrote its last area forecast discussion before the first event at Jul 20, 1:00 PM EST, 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 200 PM EDT SAT JUL 20 2013 .SYNOPSIS... A COLD FRONT WILL MOVE SOUTHEAST ACROSS THE REGION TONIGHT... LOWERING TEMPERATURES AND HUMIDITY. DRY AND SEASONABLE CONDITIONS WILL RETURN TO THE REGION THROUGH MONDAY. UPPER-LEVEL DISTURBANCES WILL BRING UNSETTLED WEATHER FOR THE REMAINDER OF THE WEEK. && .NEAR TERM /THROUGH SUNDAY/... SCATTERED THUNDERSTORMS HAVE DEVELOPED INTO A LINE ON AN OUTFLOW BOUNDARY WELL SOUTH OF THE MAIN FRONT. SEVERE THUNDERSTORM WATCH FOR AREA SOUTH OF THE MASON DIXON AND THAT WILL LIKELY BE CANCELLED EARLY. STILL AN ISOLATED FLASH FLOOD THREAT AS A COUPLE STORMS MAY TRAIN BUT OVERALL SEVERE WEATHER THREAT WILL BE DIMINISHED BY LATE AFTERNOON. KNOCKED DOWN TEMPERATURES AGAIN THIS AFTERNOON. COLD FRONT SHOULD PASS THROUGH BY TONIGHT FILTERING MORE SEASONAL CONDITIONS OVER THE REGION TONIGHT AND SUNDAY. STILL LOW CHANCE POPS ACROSS NORTHERN WEST VIRGINA INTO THE RIDGES AS FRONT WILL STALL JUST SOUTH OF THE REGION. SURFACE HIGH PRESSURE BUILDS OVER MUCH OF THE REGION ON SUNDAY AFTER THE PASSAGE OF THE COLD FRONT. THE FRONT IS PROGGED TO STALL SOUTH OF THE REGION BUT HAVE MAINTAINED CHANCE POPS FOR THE SOUTHEAST ZONES AS MOISTURE LINGERS OVER THE AFOREMENTIONED LOCATIONS. && .SHORT TERM /SUNDAY NIGHT THROUGH MONDAY NIGHT/... SFC HIPRES NOSES SWWD FROM NEW ENGLAND EARLY SUN EVE AS A H5 SHRTWV TROF MOVES SEWD FROM THE NRN PLNS TWD GRTLKS RGN. THIS APRCHG WAVE WILL HASTEN THE DEPARTURE OF THE SFC HIPRES AND WILL AID IN NWD MVMT OF FRONTAL BNDRY. THIS NWD MVMT WILL SIGNAL A RETURN TO MORE SGFNT HUMIDITY AND TSTM CHCS AS WARM SECTOR WITH DEWPTS OF 70+F WILL ADVC. FOR MON AND MON NGT...TSTM CHCS WILL INCR WITH PASSAGE OF WMFNT BNDRY AND APRCH OF H5 SHRTWV TROF. MAXIMA IN THE 70S AND LWR 80S CAN BE XPCD DURG THIS TIME. MINIMA SUN NGT IN THE UPR 50S-MID 60S ARE TIED TO MUCH-DECRD MSTR CONTENT OF THE AMS. BUT MON NGT TEMPS WILL BE MUCH HIGHER IN THE MID-UPR 60S OWING TO MSTR RETURN IN WAKE OF WMFNT PASSAGE. UPDATE...KRAMAR && .LONG TERM /TUESDAY THROUGH FRIDAY/... A BROAD UPPER LEVEL TROUGH WILL BE THE MAIN STORY FOR MUCH OF NEXT WEEK AS SEVERAL SHORTWAVES DRIVING THROUGH THE FLOW CONTINUE AT LEAST A CHANCE FOR SHOWERS AND THUNDERSTORMS. WHILE TIMING AND PLACEMENT HAS VARIED FROM RUN TO RUN...THE NEWEST ECMWF AND GFS HAVE A MORE PROMINENT FRONTAL PASSAGE AROUND MIDWEEK. THUS...THE HIGHEST POPS WERE KEPT IN THE FORECAST AROUND TUESDAY NIGHT/WEDNESDAY. OTHERWISE MAINTAINED AT LEAST A SLIGHT CHANCE OF PRECIP EACH DAY. HIGH PRESSURE MAY FINALLY HELP DRY THINGS OUT NEXT WEEKEND...ALTHOUGH THIS MAY BE WISHFUL THINKING. WITH THE TROUGH IN PLACE TEMPERATURES WILL BE MUCH CLOSER TO SEASONAL AVERAGES THROUGH THE PERIOD. && .AVIATION /18Z SATURDAY THROUGH FRIDAY/... UPPER LEVEL TROF WILL PUSH SOUTHEAST AND SUPPORT SURFACE COLD FRONT THAT WILL PUSH SOUTHEAST ACROSS FORECAST AREA BY LATE THIS EVENING. IN ADVANCE OF FRONT...SHOWERS AND SOME THUNDERSTORMS... HOWEVER THUNDER WILL BE RESTRICTED TO SOUTHERN TERMINALS /ZZV AND MGW/ UNTIL LATER THIS AFTERNOON. ACTUAL FRONT WILL PUSH SOUTHEAST LATER /23Z-02Z OR SO/. WILL CARRY VCSH IN TERMINALS WITH FROPA FROM NORTH THROUGH TO HLG, PIT, AGC. APPEARS ANY SHOWERS ON THE WANE AFTER THAT FOR REMAINING TERMINAL SOUTHWARD. THOSE TERMINALS THAT RECEIVED SIGNIFICANT RAIN /ZZV AND MGW/ WILL BRING DOWN IN FOG 06Z-08Z. OTHER TERMINALS MUCH LIGHTER IN FOG 08Z TIME FRAME (MVFR). WINDS GUSTY THIS AFTERNOON WITH APPROACH OF FRONT... SOUTHWEST 10-13 WITH GUSTS TO 18-22KTS BUT BECOME LIGHT TONIGHT AND THEN SWITCH TO NORTHERLY. ON SUNDAY...VFR WITH ONLY SOME SCT CU AND CI. OUTLOOK.../SUNDAY NIGHT THROUGH FRIDAY/... BY SUNDAY NIGHT INTO MONDAY MORNING...FRONT WILL TRY AND LIFT BACK NORTHWARD AS WARM FRONT. SCATTERED SHOWERS AND AFTERNOON THUNDERSTORMS WILL BE BACK IN THE FORECAST WITH SOME LOCALIZED RESTRICTIONS. SCT SHOWERS AND LATE DAY THUNDERSTORMS WILL CONTINUE IN THE FORECAST UNTIL ANOTHER FRONT CROSSES THE AREA LATE WEDNESDAY INTO THURSDAY WITH A CONTINUATION OF SCT RESTRICTIONS. HIGH PRESSURE WILL BUILD INTO THE AREA ON FRIDAY WITH VFR CONDITIONS. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 1239 PM EDT SAT JUL 20 2013 OHZ039>041-048>050-PAZ007>009-013>016-020>023-073-074-WVZ001-211645- TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH-MERCER- VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY- ARMSTRONG-INDIANA-WESTMORELAND-WESTMORELAND RIDGES-HANCOCK- 1239 PM EDT SAT JUL 20 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MDZ001-OHZ057>059-068-069-PAZ029-031-075-076-WVZ002>004-012-021>023- 041-211645- GARRETT-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-WASHINGTON-GREENE- FAYETTE-FAYETTE RIDGES-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA- PRESTON-TUCKER- 1239 PM EDT SAT JUL 20 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST CENTRAL OHIO...SOUTHWEST PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE INTO LATE AFTERNOON. THESE STORMS WILL BE CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND POSSIBLE LARGE HAIL. FLOODING IS ALSO POSSIBLE WHERE MULTIPLE THUNDERSTORMS IMPACT THE SAME AREA. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1128 AM EDT SAT JUL 20 2013
OHZ068-069-201600-
MONROE OH-NOBLE OH-
1128 AM EDT SAT JUL 20 2013
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN NOBLE AND
SOUTHWESTERN MONROE COUNTIES...
AT 1124 AM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR DUDLEY...
MOVING EAST AT 25 MPH.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS STORM. HEAVY RAIN WILL
POND WATER ON ROADS AND QUICKLY FILL DITCHES AND SMALL STREAMS.
LOCATIONS IMPACTED INCLUDE...
DUDLEY... CALDWELL... HARRIETTSVILLE...
PLEASE REPORT SIGNIFICANT WEATHER BY CALLING...412-262-1988...POSTING
TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.
LAT...LON 3977 8152 3967 8120 3958 8124 3957 8126
3960 8128 3959 8129 3959 8139 3963 8143
3963 8145 3964 8146 3959 8147 3958 8149
3965 8157
KRAMARSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1156 AM EDT SAT JUL 20 2013
MDZ001-PAZ031-075-076-WVZ022-023-201630-
FAYETTE PA-FAYETTE RIDGES PA-GARRETT MD-GREENE PA-MONONGALIA WV-
PRESTON WV-
1156 AM EDT SAT JUL 20 2013
...STRONG THUNDERSTORMS WILL AFFECT EXTREME SOUTHEASTERN GREENE...
NORTHEASTERN MONONGALIA...NORTHEASTERN PRESTON...NORTHWESTERN GARRETT
AND SOUTHERN FAYETTE COUNTIES...
AT 1154 AM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 3 MILES
EAST OF CHALKHILL TO 5 MILES NORTH OF LAUREL RUN TO STAR CITY...
MOVING EAST AT 30 MPH.
WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS. HEAVY RAIN WILL
POND WATER ON ROADS AND QUICKLY FILL DITCHES AND SMALL STREAMS.
LOCATIONS IMPACTED INCLUDE...
CHALKHILL... CHEAT NECK... ELLIOTTSVILLE...
FARMINGTON... OHIOPYLE... CLIFTON MILLS...
LAUREL RUN... BRUCETON MILLS... MARKLEYSBURG...
HAZELTON... MINERAL SPRING...
PLEASE REPORT SIGNIFICANT WEATHER BY CALLING...412-262-1988...POSTING
TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER
@NWSPITTSBURGH.
LAT...LON 3957 7953 3970 8007 3981 7970 3994 7957
3994 7937 3986 7941 3982 7936 3979 7936
3978 7936 3978 7938 3977 7937 3974 7939
3973 7938 3972 7933
KRAMARThe Pittsburgh radar (KPBZ), 145 km away, was scanning. The volume nearest the first event began at 18:30 UTC.
1 flash flood. Local standard time, as filed.
Law enforcement reported flash flooding with State Route 821 closed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2013Every state in 2013This day in weather historyWarnings in Ohio, July 2013
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: 462896.