Alert archive / Ohio / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 28, NWS Pittsburgh, PA

May 26, 20155 counties in Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at May 26, 2015, 10:01 PM EDT for 5 counties in Ohio. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 26, 2015, 10:01 PM EDT (02:01 UTC)
Expired
May 26, 2015, 10:45 PM EDT
In force
44 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Belmont County, OH, Carroll County, OH, Guernsey County, OH, Harrison County, OH, Tuscarawas County, OH

The radar

The Pittsburgh radar (KPBZ), 90 km from the middle of the area, began a volume at 02:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.0 hours before the alert went out and 239 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2015-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 183 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2015-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.193958Sfc1 km3 km6 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
183 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at May 26, 8:41 PM EDT, 1 hour 20 minutes earlier.

Area forecast discussion, May 26, 8:41 PM EDT, 1 hour 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
841 PM EDT TUE MAY 26 2015

.SYNOPSIS...
WARM AND HUMID CONDITIONS WILL PERSIST THROUGH THE WEEK...WITH
PERIODIC SHOWER AND THUNDERSTORM CHANCES.

&&

.NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/...
WITH UNIMPRESSIVE INSTABILITY...THUNDERSTORM DEVELOPMENT HAS BEEN
FAIRLY NOMINAL...WITH NO REPORTS OF ANYTHING EVEN APPROACHING
SEVERE. AS THE NIGHT ENSUES...AND INSTABILITY REMAINED MODEST AT
BEST...DEVELOPMENT WILL LIKELY BE FUELED BY AN INCREASE IN MID-
LEVEL RH VALUES AND INCREASED SHEAR. THIS IS UNLIKELY TO RESULT IN
MUCH THUNDERSTORM DEVELOPMENT...HOWEVER SOME HEAVIER SHOWERS WILL
BE LIKELY TO CROSS THE AREA OVERNIGHT AS A SHORT WAVE PUSHES
THROUGH THE AREA. MORE ORGANIZED SHEAR LOOKS TO HOLD BACK FOR THE
MAIN LONG WAVE TROUGH CROSSING ON WEDNESDAY.

INCREASING CLOUDS ACROSS THE AREA AS CONVECTIVE ACTIVITY
ENCROACHES WILL LIKELY KEEP A FLOOR UNDER TEMPERATURES TONIGHT.
LOWS WILL STAY LARGELY WELL INTO THE 60S. FRIES

&&

.SHORT TERM /6 AM WEDNESDAY MORNING THROUGH FRIDAY NIGHT/...
THE SHORTWAVE IS PROGGED TO EXIT THE REGION WEDNESDAY MORNING WITH
DECREASING PRECIP CHANCES. ANOTHER SHORTWAVE IS PROGGED TO CROSS
THE AREA WEDNESDAY EVENING WITH AN INCREASE IN SHOWER AND
THUNDERSTORM CHANCES...THOUGH MARGINAL SHEAR VALUES SHOULD HELP
LIMIT THE SEVERE POTENTIAL.

RIDGING LATE THURSDAY AND FRIDAY BEHIND THE DEPARTING SHORTWAVE
SHOULD ALLOW FOR MAINLY DRY WEATHER. ABOVE AVERAGE TEMPERATURES
ARE EXPECTED TO CONTINUE THROUGH THE PERIOD.

&&

.LONG TERM /SATURDAY THROUGH TUESDAY/...
VARIOUS LONG RANGE SOLUTIONS AGREE ON STUBBORN BOUNDARY LAID
ACROSS THE FORECAST AREA THROUGH THE WEEKEND. THEREFORE CHANCE
POPS WERE PRESERVED WITH THE SUPPORT OF A SERIES OF UPPER LEVEL
DISTURBANCES ACROSS THE UPPER OHIO VALLEY. GFS AND ECMWF DIFFER
OVER THE OUTCOME OF AN APPROACHING TROUGH FROM THE MIDWEST IN
TERMS OF MAGNITUDE...POSITION...AND TIMING. THEREFORE PERSISTENCE
WAS HEAVILY USED IN THE LATTER HALF OF THE PERIOD AND LOW CHANCE
POPS WERE INTRODUCED.

&&

.AVIATION /01Z WEDNESDAY THROUGH SUNDAY/...
RESTRICTION POTENTIAL...MAINLY MVFR...IS EXPECTED TO INCREASE LATE
TONIGHT AS A SHORTWAVE SUPPORTS MORE SHOWERS...AND LOWER CLOUDS AS
DAWN APPROACHES. IN THE MEANTIME...GENERAL VFR THROUGH THE EVENING
WITH TEMPORARY RESTRICTIONS IN SHOWERS AND ISO THUNDERSTORMS.

MVFR RESTRICTIONS ARE EXPECTED FOR A PORTION OF WEDNESDAY
MORNING...BUT CLOUDS WILL EVENTUALLY LIFT AND RETURN TO VFR.

.OUTLOOK.../WEDNESDAY NIGHT THROUGH SUNDAY/...
OVERALL IMPROVEMENT IS INDICATED AS PRECIP CHANCES DECLINE
THROUGH FRIDAY. HOWEVER...PRECIP...AND RESTRICTION CHANCES WILL
AGAIN INCREASE WITH AN ENCROACING FRONTAL SYSTEM THIS WEEKEND.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

&&
Hazardous weather outlook, May 26, 3:46 AM EDT, 18 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
346 AM EDT TUE MAY 26 2015

OHZ039>041-048-049-057-058-068-270800-
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-MUSKINGUM-GUERNSEY-
NOBLE-
346 AM EDT TUE MAY 26 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS DURING THE LATE
AFTERNOON AND EVENING HOURS. DAMAGING WIND GUSTS ARE THE PRIMARY
THREAT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

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-OHZ050-059-069-PAZ007>009-013>016-020>023-029-031-073>076-
WVZ001>004-012-021>023-041-270800-
GARRETT-JEFFERSON OH-BELMONT-MONROE-MERCER-VENANGO-FOREST-LAWRENCE-
BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY-ARMSTRONG-INDIANA-
WASHINGTON-GREENE-WESTMORELAND-WESTMORELAND RIDGES-FAYETTE-
FAYETTE RIDGES-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-
PRESTON-TUCKER-
346 AM EDT TUE MAY 26 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST
CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST
PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA
AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

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.

In the hours before

Special weather statement, May 26, 5:21 PM EDT, 4 hours 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
521 PM EDT TUE MAY 26 2015

OHZ057-262145-
MUSKINGUM-
521 PM EDT TUE MAY 26 2015

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL MUSKINGUM COUNTY...

AT 520 PM EDT...A STRONG THUNDERSTORM WAS 7 MILES SOUTH OF SOUTH
ZANESVILLE...OR 7 MILES EAST OF PERRY STATE FOREST...MOVING NORTHEAST
AT 25 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ZANESVILLE...SOUTH ZANESVILLE...NORTH ZANESVILLE...PHILO...PLEASANT
GROVE...FULTONHAM...NORWICH...CHANDLERSVILLE...EAST FULTONHAM...
DRAKE...CANNELVILLE...BRIDGEVILLE...DUNCAN FALLS AND BLUE ROCK STATE
PARK.

THIS INCLUDES  INTERSTATE 70 IN OHIO BETWEEN MILE MARKERS 150 AND
168.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 3986 8217 4011 8198 3996 8173 3993 8173
      3993 8171 3976 8192 3977 8207 3982 8208
      3982 8217
TIME...MOT...LOC 2120Z 217DEG 24KT 3980 8207

FRIES
Special weather statement, May 26, 5:56 PM EDT, 4 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
556 PM EDT TUE MAY 26 2015

OHZ057-058-262245-
MUSKINGUM-GUERNSEY-
556 PM EDT TUE MAY 26 2015

...A STRONG THUNDERSTORM WILL AFFECT EASTERN MUSKINGUM AND
NORTHWESTERN GUERNSEY COUNTIES...

AT 556 PM EDT...A STRONG THUNDERSTORM WAS 7 MILES SOUTHWEST OF NEW
CONCORD...OR 8 MILES EAST OF ZANESVILLE...MOVING NORTHEAST AT 25 MPH.

WINDS IN EXCESS OF 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
ZANESVILLE...CAMBRIDGE...NEW CONCORD...PHILO...PLEASANT GROVE...
ADAMSVILLE...NORWICH...CHANDLERSVILLE...OTSEGO...BRIDGEVILLE...DUNCAN
FALLS...BODEN...BLUE ROCK STATE PARK...SALT FORK STATE PARK AND
KIMBOLTON.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
  INTERSTATE 70 IN OHIO BETWEEN MILE MARKERS 155 AND 179.
  INTERSTATE 77 IN OHIO BETWEEN MILE MARKERS 45 AND 59.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 4016 8180 4015 8167 4022 8166 4022 8151
      4012 8138 3981 8184 3994 8201
TIME...MOT...LOC 2156Z 222DEG 23KT 3994 8186

FRIES
Special weather statement, May 26, 8:22 PM EDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
822 PM EDT TUE MAY 26 2015

OHZ048-270045-
COSHOCTON-
822 PM EDT TUE MAY 26 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN COSHOCTON
COUNTY...

AT 822 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM DANVILLE TO 6 MILES NORTHWEST OF HANOVER...AND MOVING
NORTHEAST AT 40 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
WARSAW...NELLIE...WALHONDING...BLISSFIELD...NEW GUILFORD AND LAYLAND.

LAT...LON 4045 8219 4045 8188 4042 8189 4019 8219
      4024 8218 4024 8220 4025 8220
TIME...MOT...LOC 0022Z 221DEG 33KT 4043 8227 4015 8234

FRIES
Special weather statement, May 26, 8:53 PM EDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
853 PM EDT TUE MAY 26 2015

OHZ048-270130-
COSHOCTON-
853 PM EDT TUE MAY 26 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN COSHOCTON COUNTY...

AT 852 PM EDT...A STRONG THUNDERSTORM WAS 11 MILES SOUTHWEST OF
KILLBUCK...OR 12 MILES NORTHWEST OF COSHOCTON...MOVING NORTHEAST AT
30 MPH.

WIND GUSTS UP TO 50 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
WARSAW...NELLIE...WALHONDING...BLISSFIELD...LAYLAND AND COOPERDALE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4040 8219 4046 8211 4044 8171 4042 8171
      4022 8207 4034 8219
TIME...MOT...LOC 0052Z 229DEG 28KT 4035 8208

FRIES
Special weather statement, May 26, 9:13 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
913 PM EDT TUE MAY 26 2015

OHZ039-048-057-058-270145-
MUSKINGUM-GUERNSEY-COSHOCTON-TUSCARAWAS-
913 PM EDT TUE MAY 26 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN MUSKINGUM...EASTERN
COSHOCTON...NORTHWESTERN GUERNSEY AND SOUTHWESTERN TUSCARAWAS
COUNTIES...

AT 913 PM EDT...A STRONG THUNDERSTORM WAS NEAR NORTH ZANESVILLE...OR
NEAR ZANESVILLE...MOVING NORTHEAST AT 45 MPH.

WIND GUSTS UP TO 50 MPH AND HALF INCH HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
ZANESVILLE...COSHOCTON...NEWCOMERSTOWN...WEST LAFAYETTE...NORTH
ZANESVILLE...PLEASANT GROVE...CONESVILLE...PLAINFIELD...ADAMSVILLE...
NORWICH...DRAKE...OTSEGO...BRIDGEVILLE...DUNCAN FALLS AND BODEN.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
  INTERSTATE 70 IN OHIO BETWEEN MILE MARKERS 152 AND 167.
  INTERSTATE 77 IN OHIO NEAR MILE MARKER 63.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3995 8208 4040 8185 4027 8154 3986 8187
TIME...MOT...LOC 0113Z 206DEG 37KT 3998 8194

FRIES
Special weather statement, May 26, 9:45 PM EDT, 16 minutes before
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The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 8:22 PM EDTSpecial Weather StatementPBZCoshocton23 min
May 26, 8:53 PM EDTSpecial Weather StatementPBZCoshocton37 min
May 26, 9:13 PM EDTSpecial Weather StatementPBZMuskingum32 min
May 26, 9:27 PM EDTSevere Thunderstorm WarningPBZCoshocton, Muskingum, Tuscarawas48 min
May 26, 9:31 PM EDTSevere Thunderstorm WarningPBZCoshocton, Muskingum33 min
May 26, 9:45 PM EDTSpecial Weather StatementPBZBelmont, Guernsey, Harrison, Monroe, Noble, Tuscarawas45 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2015Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.