Alert archive / Ohio / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 4, NWS Cleveland, OH

January 12, 2017Mahoning County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jan 12, 2017, 1:37 PM EST for Mahoning County, Ohio. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 12, 2017, 1:37 PM EST (18:37 UTC)
Expired
Jan 12, 2017, 2:15 PM EST
In force
38 min
Issued by
NWS Cleveland, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Mahoning County, OH

The radar

The Pittsburgh radar (KPBZ), 71 km from the middle of the area, began a volume at 18:39 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

Pittsburgh, PA (KAGC), launched 12:00Z, 6.6 hours before the alert went out and 88 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, Pittsburgh, PA at 12:00Z on 2017-01-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2017-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 545 square meters per square second.1939587897117Sfc1 km3 km6 km9 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
840 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
545 m²/s²
0-3 km storm-relative helicity
564 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

993 
WUUS51 KCLE 121837
SVRCLE
OHC099-121915-
/O.NEW.KCLE.SV.W.0004.170112T1837Z-170112T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cleveland OH
137 PM EST THU JAN 12 2017

The National Weather Service in Cleveland has issued a

* Severe Thunderstorm Warning for...
  Mahoning County in northeastern Ohio...

* Until 215 PM EST

* At 136 PM EST, severe thunderstorms were located along a line
  extending from 10 miles east of Greenville to near Canton, moving
  east at 60 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Youngstown, Salem, Columbiana, Boardman, Alliance, Campbell,
  Canfield, Sebring, Austintown, Struthers, Girard, Poland,
  Ellsworth, New Middletown, Lowellville, Beloit, Maple Ridge,
  Greenford and Mineral Ridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4094 8108 4114 8075 4113 8052 4090 8052
      4090 8082 4093 8083 4093 8089 4090 8090
      4091 8109
TIME...MOT...LOC 1836Z 250DEG 101KT 4139 8020 4077 8137 

HAIL...<.75IN
WIND...60MPH
 
$$

LaPlante
1 follow-up statement
679 
WWUS51 KCLE 121907
SVSCLE

Severe Weather Statement
National Weather Service Cleveland OH
207 PM EST THU JAN 12 2017

OHC099-121915-
/O.CON.KCLE.SV.W.0004.000000T0000Z-170112T1915Z/
Mahoning OH-
207 PM EST THU JAN 12 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EST
FOR SOUTHEASTERN MAHONING COUNTY...

At 207 PM EST, a severe thunderstorm was located 7 miles southeast of
Boardman, or 7 miles northeast of Columbiana, moving east at 75 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Columbiana, Boardman, Struthers, Poland, New Middletown and
Lowellville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4104 8063 4104 8052 4090 8052 4090 8082
TIME...MOT...LOC 1907Z 258DEG 64KT 4095 8059 

HAIL...<.75IN
WIND...60MPH
 
$$

LaPlante

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 11, 11:47 PM ESTSpecial Weather StatementCLELucas, Wood58 min
Jan 12, 6:29 AM ESTRiver Flood WarningCLELake53 hr
Jan 12, 8:15 AM ESTRiver Flood WarningCLELake17 hr
Jan 12, 8:20 AM ESTRiver Flood WarningCLETrumbull49 hr
Jan 12, 8:34 AM ESTAreal Flood WarningCLEAshland, Ashtabula, Crawford, Cuyahoga, Geauga, Holmes and 16 more9 hr
Jan 12, 9:28 AM ESTRiver Flood WarningCLESummit16 hr
Jan 12, 9:28 AM ESTRiver Flood WarningCLECuyahoga26 hr
Jan 12, 9:28 AM ESTRiver Flood WarningCLETrumbull44 hr
Jan 12, 9:40 AM ESTAreal Flood AdvisoryCLEErie, Hancock, Lucas, Ottawa, Sandusky, Wood6 hr
Jan 12, 10:16 AM ESTSpecial Weather StatementCLEAshtabula74 min
Jan 12, 10:31 AM ESTRiver Flood WarningCLEStark25 hr
Jan 12, 11:59 AM ESTSpecial Weather StatementCLEPortage, Summit61 min
Jan 12, 12:32 PM ESTSevere Thunderstorm WarningCLEAshland, Morrow, Richland, Wayne43 min
Jan 12, 1:31 PM ESTSevere Thunderstorm WarningCLEStark, Wayne29 min
Jan 12, 4:49 PM ESTRiver Flood WarningCLEMahoning, Trumbull29 hr
Jan 12, 4:53 PM ESTRiver Flood WarningCLEHolmes, Wayne52 hr
Jan 12, 5:30 PM ESTAreal Flood AdvisoryCLEAshland, Ashtabula, Crawford, Cuyahoga, Geauga, Hancock and 19 more18 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2017Every severe thunderstorm warning in 2017

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.