Alert archive / Ohio / Special Weather Statements in 2017

Special Weather Statement, NWS Pittsburgh, PA

April 19, 2017Columbiana County, Ohio

NWS Pittsburgh, PA issued this special weather statement at Apr 19, 2017, 8:31 PM EDT for Columbiana County, 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 outline as issued.

The facts

Issued
Apr 19, 2017, 8:31 PM EDT (00:31 UTC)
Expired
Apr 19, 2017, 9:15 PM EDT
In force
44 min
Issued by
NWS Pittsburgh, PA

County Columbiana County, OH

The radar

The Pittsburgh radar (KPBZ), 72 km from the middle of the area, began a volume at 00:34 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, 0.5 hours before the alert went out and 282 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 2017-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 74 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2017-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 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
74 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
1705 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Apr 19, 8:25 PM EDT, 6 minutes earlier.

Area forecast discussion, Apr 19, 8:25 PM EDT, 6 minutes before
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Hazardous weather outlook, Apr 19, 2:18 PM EDT, 6 hours 13 minutes before
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In the hours before

Special weather statement, Apr 19, 8:18 PM EDT, 13 minutes before
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Special weather statement, Apr 19, 8:31 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 8:18 PM EDTSpecial Weather StatementPBZLawrence42 min
Apr 19, 10:03 PM EDTSpecial Weather StatementPBZAllegheny, Beaver42 min
Apr 20, 12:29 PM EDTSpecial Weather StatementPBZAllegheny31 min
Apr 20, 12:41 PM EDTSevere Thunderstorm WarningPBZAllegheny, Westmoreland49 min
Apr 20, 1:29 PM EDTSpecial Weather StatementPBZWestmoreland61 min
Apr 20, 1:38 PM EDTSpecial Weather StatementPBZBeaver52 min
Apr 20, 2:16 PM EDTSpecial Weather StatementPBZWestmoreland29 min
Apr 20, 2:27 PM EDTSevere Thunderstorm WarningPBZArmstrong, Butler, Clarion48 min
Apr 20, 2:28 PM EDTSevere Thunderstorm WarningPBZAllegheny, Fayette, Westmoreland47 min
Apr 20, 3:04 PM EDTSevere Thunderstorm WarningPBZIndiana, Westmoreland41 min
Apr 20, 3:14 PM EDTSevere Thunderstorm WarningPBZArmstrong, Clarion, Jefferson46 min
Apr 20, 3:58 PM EDTSevere Thunderstorm WarningPBZJefferson17 min
Apr 19, 9:14 PM EDTSpecial Weather StatementPBZColumbiana46 min
Apr 20, 10:15 AM EDTSpecial Weather StatementPBZColumbiana45 min
Apr 20, 12:16 PM EDTSpecial Weather StatementPBZBelmont29 min
Apr 20, 6:36 PM EDTSpecial Weather StatementPBZCoshocton39 min
Apr 20, 7:08 PM EDTSpecial Weather StatementPBZMuskingum37 min
Apr 20, 7:15 PM EDTSevere Thunderstorm WarningPBZGuernsey, Muskingum45 min
Apr 20, 7:59 PM EDTSpecial Weather StatementPBZGuernsey31 min
Apr 20, 4:28 PM EDTSpecial Weather StatementPBZMonongalia, Preston47 min
Apr 20, 4:35 PM EDTSevere Thunderstorm WarningPBZPreston28 min

Nearby

Special Weather Statements in Ohio, 2017Every special weather statement 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.