Alert archive / Ohio / Special Weather Statements in 2021

Special Weather Statement, NWS Wilmington, OH

July 7, 2021Delaware County, Ohio

NWS Wilmington, OH issued this special weather statement at Jul 7, 2021, 9:19 PM EDT for Delaware County, Ohio. It was in force for 26 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: Jul 7, 2021, 9:19 PM EDT (01:19 UTC)
Expired: Jul 7, 2021, 9:45 PM EDT
In force: 26 min
Issued by: NWS Wilmington, OH

County Delaware County, OH

The radar

The Cincinnati radar (KILN), 128 km from the middle of the area, began a volume at 01:19 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, 1.3 hours before the alert went out and 126 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: 961 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 1441 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 35 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 Wilmington, OH wrote its last area forecast discussion before this special weather statement went out at Jul 7, 8:08 PM EDT, 1 hour 11 minutes earlier.

Area forecast discussion, Jul 7, 8:08 PM EDT, 1 hour 11 minutes before

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Hazardous weather outlook, Jul 7, 5:16 PM EDT, 4 hours 3 minutes before

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In the hours before

Special weather statement, Jul 7, 9:15 PM EDT, 4 minutes before

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Special weather statement, Jul 7, 9:19 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
Jul 7, 9:15 PM EDT	Special Weather Statement	ILN	Union	30 min
Jul 8, 2:17 PM EDT	Special Weather Statement	ILN	Butler	28 min
Jul 8, 2:45 PM EDT	Special Weather Statement	ILN	Butler	30 min
Jul 8, 4:05 PM EDT	Special Weather Statement	ILN	Hocking	25 min
Jul 8, 4:27 PM EDT	Special Weather Statement	ILN	Hocking	33 min
Jul 8, 5:33 PM EDT	Severe Thunderstorm Warning	ILN	Carroll, Gallatin	31 min
Jul 8, 6:06 PM EDT	Special Weather Statement	ILN	Carroll, Gallatin	24 min
Jul 8, 6:30 PM EDT	Special Weather Statement	ILN	Gallatin, Grant, Owen	30 min
Jul 8, 11:59 AM EDT	Special Weather Statement	ILN	Fayette	31 min
Jul 8, 12:52 PM EDT	Areal Flood Advisory	ILN	Fayette	3 hr
Jul 8, 1:06 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Franklin	39 min
Jul 8, 1:40 PM EDT	Special Weather Statement	ILN	Union	35 min

Nearby

Special Weather Statements in Ohio, 2021 Every special weather statement in 2021

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.