Alert archive / Ohio / Special Weather Statements in 2018

Special Weather Statement, NWS Pittsburgh, PA

May 10, 2018Columbiana County, Ohio

NWS Pittsburgh, PA issued this special weather statement at May 10, 2018, 3:13 AM EDT for Columbiana County, Ohio. It was in force for 47 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: May 10, 2018, 3:13 AM EDT (07:13 UTC)
Expired: May 10, 2018, 4:00 AM EDT
In force: 47 min
Issued by: NWS Pittsburgh, PA

County Columbiana County, OH

The radar

The Pittsburgh radar (KPBZ), 37 km from the middle of the area, began a volume at 07:14 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, 7.2 hours before the alert went out and 308 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 322 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 1592 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 228 m²/s²
0-3 km storm-relative helicity: 240 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 10, 1:58 AM EDT, 1 hour 15 minutes earlier.

Area forecast discussion, May 10, 1:58 AM EDT, 1 hour 15 minutes before

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Hazardous weather outlook, May 9, 3:17 AM EDT, 23 hours 56 minutes before

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In the hours before

Special weather statement, May 10, 3:13 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 4:10 AM EDT	Special Weather Statement	PBZ	Beaver	50 min
May 10, 4:14 AM EDT	Special Weather Statement	PBZ	Venango	31 min
May 10, 4:37 AM EDT	Special Weather Statement	PBZ	Allegheny	23 min
May 10, 1:45 PM EDT	Special Weather Statement	PBZ	Allegheny	45 min
May 10, 1:50 PM EDT	Special Weather Statement	PBZ	Armstrong	40 min
May 10, 1:54 PM EDT	Special Weather Statement	PBZ	Indiana	51 min
May 10, 2:30 PM EDT	Special Weather Statement	PBZ	Westmoreland	30 min
May 10, 2:32 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	43 min
May 10, 2:53 PM EDT	Special Weather Statement	PBZ	Westmoreland	37 min
May 10, 3:03 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	27 min
May 10, 2:42 PM EDT	Severe Thunderstorm Warning	PBZ	Marion, Monongalia, Preston	48 min
May 10, 3:13 PM EDT	Special Weather Statement	PBZ	Tucker	62 min

Nearby

Special Weather Statements in Ohio, 2018 Every special weather statement in 2018

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.