Alert archive / Ohio / Special Weather Statements in 2020

Special Weather Statement, NWS Charleston, WV

June 4, 2020Perry County, Ohio

NWS Charleston, WV issued this special weather statement at Jun 4, 2020, 2:39 PM EDT for Perry County, Ohio. It was in force for 51 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: Jun 4, 2020, 2:39 PM EDT (18:39 UTC)
Expired: Jun 4, 2020, 3:30 PM EDT
In force: 51 min
Issued by: NWS Charleston, WV

County Perry County, OH

The radar

The Cincinnati radar (KILN), 139 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.7 hours before the alert went out and 137 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: 208 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 1207 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Charleston, WV wrote its last area forecast discussion before this special weather statement went out at Jun 4, 2:34 PM EDT, 5 minutes earlier.

Area forecast discussion, Jun 4, 2:34 PM EDT, 5 minutes before

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Hazardous weather outlook, Jun 4, 1:14 PM EDT, 1 hour 25 minutes before

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In the hours before

Special weather statement, Jun 4, 2:39 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Charleston WV
239 PM EDT Thu Jun 4 2020

OHZ066-041930-
Perry-
239 PM EDT Thu Jun 4 2020

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL PERRY COUNTY...

At 238 PM EDT, a strong thunderstorm was located near Hide-A-Way
Hills, or near Lancaster, moving northeast at 20 mph.

Winds in excess of 40 mph and half inch hail are possible with this
storm.

Locations impacted include...
New Lexington, Somerset, Perry State Forest, Crooksville, Junction
City and Glenford.

LAT...LON 3991 8217 3990 8216 3982 8217 3981 8207
      3974 8208 3962 8238 3974 8236 3974 8241
      3983 8240 3984 8247 3985 8247 3992 8233
TIME...MOT...LOC 1838Z 245DEG 18KT 3969 8252

MEK

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 5:03 PM EDT	Special Weather Statement	RLX	Pleasants	27 min
Jun 4, 5:25 PM EDT	Special Weather Statement	RLX	Wood	35 min
Jun 4, 5:51 PM EDT	Flash Flood Warning	RLX	Wood	3 hr
Jun 4, 6:19 PM EDT	Special Weather Statement	RLX	Roane	26 min
Jun 4, 6:56 PM EDT	Special Weather Statement	RLX	Kanawha	34 min
Jun 4, 7:49 PM EDT	Severe Thunderstorm Warning	RLX	Boone, Fayette, Kanawha	41 min
Jun 3, 8:04 PM EDT	Special Weather Statement	RLX	Athens	26 min
Jun 3, 8:21 PM EDT	Special Weather Statement	RLX	Athens	114 min
Jun 3, 9:21 PM EDT	Flash Flood Warning	RLX	Athens, Vinton, Washington	5 hr
Jun 4, 12:10 AM EDT	Flash Flood Warning	RLX	Meigs	3 hr
Jun 4, 3:52 PM EDT	Special Weather Statement	RLX	Washington	23 min

Nearby

Special Weather Statements in Ohio, 2020 Every special weather statement in 2020

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.