Alert archive / Ohio / Special Weather Statements in 2021

Special Weather Statement, NWS Wilmington, OH

August 7, 2021Franklin County, Ohio

NWS Wilmington, OH issued this special weather statement at Aug 7, 2021, 4:45 PM EDT for Franklin County, Ohio. It was in force for 30 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 7, 2021, 4:45 PM EDT (20:45 UTC)
Expired: Aug 7, 2021, 5:15 PM EDT
In force: 30 min
Issued by: NWS Wilmington, OH
Hail: 0.00 in
Wind: 50

County Franklin County, OH

The radar

The Cincinnati radar (KILN), 100 km from the middle of the area, began a volume at 20:45 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, 8.8 hours before the alert went out and 98 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: 815 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 973 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

464 
WWUS81 KILN 072045
SPSILN

Special Weather Statement
National Weather Service Wilmington OH
445 PM EDT Sat Aug 7 2021
 
OHZ045-046-055-056-072115-
Licking OH-Delaware OH-Franklin OH-Union OH-
445 PM EDT Sat Aug 7 2021

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHERN FRANKLIN,
SOUTHEASTERN DELAWARE, WEST CENTRAL LICKING AND SOUTHEASTERN UNION
COUNTIES IN CENTRAL OHIO THROUGH 515 PM EDT...

At 444 PM EDT, a strong thunderstorm was reported over Worthington,
moving southeast at 10 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Columbus, Dublin, Westerville, Reynoldsburg, Upper Arlington,
Gahanna, Hilliard, Marysville, Worthington, Bexley, Pataskala,
Powell, Johnstown, Plain City, Minerva Park, New California, Ohio
State University, Polaris, Easton and Summit Station.

This includes the following Interstates...
 I-70 in Ohio between mile markers 99 and 103.
 I-71 in Ohio between mile markers 107 and 122.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a sturdy building. 

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 4003 8272 3994 8282 3995 8303 4007 8321
      4011 8321 4011 8326 4020 8340 4014 8270
TIME...MOT...LOC 2044Z 311DEG 7KT 4010 8298 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

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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 7, 2:12 PM EDT	Special Weather Statement	ILN	Auglaize	33 min
Aug 7, 2:22 PM EDT	Special Weather Statement	ILN	Shelby	23 min
Aug 7, 3:18 PM EDT	Special Weather Statement	ILN	Delaware	27 min
Aug 7, 3:33 PM EDT	Special Weather Statement	ILN	Union	27 min
Aug 7, 3:48 PM EDT	Special Weather Statement	ILN	Union	27 min
Aug 7, 4:15 PM EDT	Special Weather Statement	ILN	Delaware	30 min
Aug 7, 4:30 PM EDT	Special Weather Statement	ILN	Madison	30 min
Aug 7, 4:41 PM EDT	Special Weather Statement	ILN	Miami	34 min
Aug 7, 4:47 PM EDT	Areal Flood Advisory	ILN	Union	3 hr
Aug 7, 5:02 PM EDT	Special Weather Statement	ILN	Darke	28 min
Aug 7, 5:04 PM EDT	Areal Flood Advisory	ILN	Delaware, Franklin, Licking	3 hr
Aug 7, 5:11 PM EDT	Special Weather Statement	ILN	Franklin	34 min
Aug 7, 5:43 PM EDT	Special Weather Statement	ILN	Greene	32 min
Aug 7, 5:51 PM EDT	Severe Thunderstorm Warning	ILN	Darke	39 min
Aug 7, 6:09 PM EDT	Areal Flood Advisory	ILN	Montgomery	3 hr
Aug 7, 6:20 PM EDT	Severe Thunderstorm Warning	ILN	Wayne	55 min
Aug 7, 6:48 PM EDT	Areal Flood Advisory	ILN	Wayne	3 hr
Aug 7, 7:14 PM EDT	Special Weather Statement	ILN	Fayette	31 min
Aug 7, 7:34 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Wayne	41 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.