Alert archive / Ohio / Special Weather Statements in 2017

Special Weather Statement, NWS Cleveland, OH

April 20, 2017Ashtabula County, Ohio

NWS Cleveland, OH issued this special weather statement at Apr 20, 2017, 10:46 AM EDT for Ashtabula County, Ohio. It was in force for 29 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 20, 2017, 10:46 AM EDT (14:46 UTC)
Expired: Apr 20, 2017, 11:15 AM EDT
In force: 29 min
Issued by: NWS Cleveland, OH

County Ashtabula County, OH

The radar

The Cleveland radar (KCLE), 97 km from the middle of the area, began a volume at 14:46 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, 2.8 hours before the alert went out and 162 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: 59 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 791 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 182 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 Cleveland, OH wrote its last area forecast discussion before this special weather statement went out at Apr 20, 9:42 AM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Apr 20, 9:42 AM EDT, 1 hour 4 minutes before

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Hazardous weather outlook, Apr 20, 5:10 AM EDT, 5 hours 36 minutes before

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In the hours before

Special weather statement, Apr 20, 10:46 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 8:09 PM EDT	Special Weather Statement	CLE	Huron, Medina, Seneca	51 min
Apr 19, 9:06 PM EDT	Areal Flood Advisory	CLE	Stark, Summit	5 hr
Apr 19, 9:30 PM EDT	Special Weather Statement	CLE	Wood	45 min
Apr 19, 10:38 PM EDT	River Flood Warning	CLE	Stark	13 hr
Apr 20, 8:23 AM EDT	Special Marine Warning	CLE		37 min
Apr 20, 4:13 PM EDT	Special Weather Statement	CLE	Lucas, Wood	47 min
Apr 20, 5:19 PM EDT	Special Weather Statement	CLE	Sandusky	41 min
Apr 20, 5:27 PM EDT	Severe Thunderstorm Warning	CLE	Hancock	39 min
Apr 20, 6:16 PM EDT	Special Marine Warning	CLE		89 min
Apr 20, 6:56 PM EDT	Special Weather Statement	CLE	Lucas	49 min
Apr 20, 7:20 PM EDT	Special Marine Warning	CLE		85 min
Apr 20, 6:05 PM EDT	Special Weather Statement	CLE	Crawford	40 min
Apr 20, 6:21 PM EDT	Special Weather Statement	CLE	Crawford	24 min
Apr 20, 6:37 PM EDT	Severe Thunderstorm Warning	CLE	Erie	38 min

Nearby

Special Weather Statements in Ohio, 2017 Every 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.