Alert archive / Ohio / Special Weather Statements in 2017

Special Weather Statement, NWS Wilmington, OH

August 4, 2017Pickaway County, Ohio

NWS Wilmington, OH issued this special weather statement at Aug 4, 2017, 3:14 PM EDT for Pickaway County, Ohio. It was in force for 31 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: Aug 4, 2017, 3:14 PM EDT (19:14 UTC)
Expired: Aug 4, 2017, 3:45 PM EDT
In force: 31 min
Issued by: NWS Wilmington, OH

County Pickaway County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.2 hours before the alert went out and 90 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: 446 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1111 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.5

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 Wilmington, OH wrote its last area forecast discussion before this special weather statement went out at Aug 4, 3:08 PM EDT, 6 minutes earlier.

Area forecast discussion, Aug 4, 3:08 PM EDT, 6 minutes before

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Hazardous weather outlook, Aug 4, 2:53 PM EDT, 21 minutes before

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In the hours before

Special weather statement, Aug 4, 9:35 AM EDT, 5 hours 39 minutes before

Special Weather Statement
National Weather Service Wilmington OH
935 AM EDT FRI AUG 4 2017

OHZ046-055-056-041400-
Licking OH-Delaware OH-Franklin OH-
935 AM EDT FRI AUG 4 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN FRANKLIN...SOUTHEASTERN
DELAWARE AND WEST CENTRAL LICKING COUNTIES UNTIL 1000 AM EDT...

At 934 AM EDT, radar indicated a strong thunderstorm over Upper
Arlington, moving northeast at 45 mph.

STORM HAZARDS INCLUDE...
Winds to 40 mph...

Locations impacted include...
Columbus, Dublin, Westerville, Upper Arlington, Gahanna, Hilliard,
Worthington, Bexley, Pataskala, Minerva Park, Ohio State University,
Polaris, Easton, Whitehall, New Albany, Grandview Heights,
Valleyview, Marble Cliff, Riverlea and Port Columbus Airport.

This includes the following Interstates...
 I-70 in Ohio between mile markers 93 and 100.
 I-71 in Ohio near mile marker 107, and between mile markers 109 and
123.

Residents in these areas should remain alert. If this storm becomes
stronger, then a warning may be needed.

To report hazardous weather conditions, go to our website at
weather.gov/iln and submit your report via social media, when you can
do so safely.

LAT...LON 3993 8311 4009 8319 4024 8275 4000 8276
TIME...MOT...LOC 1334Z 246DEG 37KT 4002 8305

Special weather statement, Aug 4, 12:59 PM EDT, 2 hours 15 minutes before

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Special weather statement, Aug 4, 1:42 PM EDT, 1 hour 32 minutes before

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Special weather statement, Aug 4, 3:14 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 8:09 PM EDT	Special Weather Statement	ILN	Madison	36 min
Aug 3, 8:15 PM EDT	Special Weather Statement	ILN	Mercer	30 min
Aug 3, 8:45 PM EDT	Special Weather Statement	ILN	Clark, Madison	45 min
Aug 3, 8:47 PM EDT	Special Weather Statement	ILN	Auglaize, Mercer	43 min
Aug 3, 9:03 PM EDT	Special Weather Statement	ILN	Union	27 min
Aug 3, 9:31 PM EDT	Special Weather Statement	ILN	Fayette	29 min
Aug 3, 9:45 PM EDT	Special Weather Statement	ILN	Hardin	45 min
Aug 3, 9:59 PM EDT	Special Weather Statement	ILN	Logan	31 min
Aug 3, 10:02 PM EDT	Special Weather Statement	ILN	Pickaway	28 min
Aug 4, 5:16 AM EDT	Special Weather Statement	ILN	Mercer	44 min
Aug 4, 6:07 AM EDT	Special Weather Statement	ILN	Union	23 min
Aug 4, 8:57 AM EDT	Special Weather Statement	ILN	Brown	33 min
Aug 4, 9:35 AM EDT	Special Weather Statement	ILN	Franklin	25 min
Aug 4, 12:59 PM EDT	Special Weather Statement	ILN	Delaware	31 min
Aug 4, 1:42 PM EDT	Special Weather Statement	ILN	Delaware	18 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.