Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 205, NWS Cleveland, OH

July 23, 2011Holmes County, Knox County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 23, 2011, 12:00 AM EDT for Holmes County, Knox County, Ohio. It was in force for 60 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: Jul 23, 2011, 12:00 AM EDT (04:00 UTC)
Expired: Jul 23, 2011, 1:00 AM EDT
In force: 60 min
Issued by: NWS Cleveland, OH
Area: Storm-based polygon

Counties Holmes County, OH, Knox County, OH

The radar

The Cleveland radar (KCLE), 107 km from the middle of the area, began a volume at 04:01 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 (KPIT), launched 00:00Z, 4.0 hours before the alert went out and 176 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: 111 J/kg
Mixed-layer CIN: -262 J/kg
Mixed-layer LCL: 1450 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: -7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Cleveland, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 22, 10:03 PM EDT, 1 hour 57 minutes earlier.

Area forecast discussion, Jul 22, 10:03 PM EDT, 1 hour 57 minutes before

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Hazardous weather outlook, Jul 22, 6:30 PM EDT, 5 hours 30 minutes before

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In the hours before

Local storm report, Jul 22, 6:22 PM EDT, 5 hours 38 minutes before

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Local storm report, Jul 22, 7:07 PM EDT, 4 hours 53 minutes before

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Local storm report, Jul 22, 8:57 PM EDT, 3 hours 3 minutes before

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Local storm report, Jul 22, 10:41 PM EDT, 1 hour 19 minutes before

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Local storm report, Jul 22, 11:34 PM EDT, 26 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
Jul 22, 11:48 PM EDT	Special Marine Warning	CLE		87 min
Jul 23, 1:29 AM EDT	Areal Flood Advisory	CLE	Knox	3 hr
Jul 23, 2:46 AM EDT	Flash Flood Warning	CLE	Seneca	11 hr
Jul 23, 3:40 AM EDT	Flash Flood Watch	CLE	Ashland, Crawford, Cuyahoga, Erie, Geauga, Hancock and 21 more	26 hr
Jul 23, 4:06 AM EDT	Areal Flood Advisory	CLE	Lorain	4 hr
Jul 23, 6:45 AM EDT	Areal Flood Advisory	CLE	Ashland, Crawford, Huron, Lorain, Richland	3 hr
Jul 23, 8:50 AM EDT	Areal Flood Advisory	CLE	Ottawa, Sandusky	4 hr
Jul 23, 2:00 PM EDT	Areal Flood Warning	CLE	Seneca	8 hr
Jul 23, 2:38 PM EDT	Areal Flood Advisory	CLE	Wyandot	4 hr
Jul 23, 2:43 PM EDT	Areal Flood Advisory	CLE	Marion, Morrow	4 hr
Jul 23, 3:07 PM EDT	Flash Flood Warning	CLE	Wyandot	6 hr
Jul 23, 3:59 PM EDT	Heat Advisory	CLE	Ashland, Crawford, Hancock, Holmes, Huron, Knox and 8 more	23 hr
Jul 23, 5:20 PM EDT	Severe Thunderstorm Warning	CLE	Hancock	55 min
Jul 23, 5:25 PM EDT	Areal Flood Advisory	CLE	Holmes	3 hr
Jul 23, 5:44 PM EDT	Special Marine Warning	CLE		76 min
Jul 23, 5:53 PM EDT	Severe Thunderstorm Warning	CLE	Sandusky, Seneca, Wood	67 min
Jul 23, 5:58 PM EDT	Severe Thunderstorm Warning	CLE	Lorain	62 min
Jul 23, 6:16 PM EDT	Special Marine Warning	CLE		89 min
Jul 23, 6:26 PM EDT	Areal Flood Advisory	CLE	Wood	4 hr
Jul 23, 6:52 PM EDT	Areal Flood Advisory	CLE	Cuyahoga	3 hr
Jul 23, 7:12 PM EDT	Severe Thunderstorm Warning	CLE	Lucas, Ottawa, Sandusky, Seneca, Wood	78 min
Jul 23, 7:15 PM EDT	Special Marine Warning	CLE		2 hr
Jul 23, 7:16 PM EDT	Severe Thunderstorm Warning	CLE	Cuyahoga, Geauga	44 min
Jul 23, 7:36 PM EDT	Flash Flood Warning	CLE	Ottawa, Sandusky	6 hr
Jul 23, 7:38 PM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Geauga, Trumbull	67 min
Jul 23, 7:56 PM EDT	Areal Flood Advisory	CLE	Hancock	3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011 Every severe thunderstorm warning in 2011

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.