Alert archive / Ohio / Special Weather Statements in 2021

Special Weather Statement, NWS Wilmington, OH

April 21, 2021Preble County, Ohio; Wayne County, Indiana

NWS Wilmington, OH issued this special weather statement at Apr 21, 2021, 7:44 PM EDT for Preble County, Ohio; Wayne County, Indiana. 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: Apr 21, 2021, 7:44 PM EDT (23:44 UTC)
Expired: Apr 21, 2021, 8:15 PM EDT
In force: 31 min
Issued by: NWS Wilmington, OH

Counties Wayne County, IN, Preble County, OH

The radar

The Cincinnati radar (KILN), 96 km from the middle of the area, began a volume at 23:45 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, 11.7 hours before the alert went out and 97 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: -99 m²/s²
0-3 km storm-relative helicity: 18 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 Apr 21, 3:44 PM EDT, 4 hours earlier.

Area forecast discussion, Apr 21, 3:44 PM EDT, 4 hours before

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Hazardous weather outlook, Apr 21, 3:04 PM EDT, 4 hours 40 minutes before

Hazardous Weather Outlook
National Weather Service Wilmington OH
304 PM EDT Wed Apr 21 2021

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-221915-
Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Ohio-
Switzerland-Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-
Pendleton-Bracken-Robertson-Mason-Lewis-Hardin-Mercer-Auglaize-Darke-
Shelby-Logan-Union OH-Delaware-Miami-Champaign-Clark-Madison-
Franklin OH-Licking-Preble-Montgomery-Greene-Fayette OH-Pickaway-
Fairfield-Butler-Warren-Clinton-Ross-Hocking-Hamilton-Clermont-Brown-
Highland-Adams-Pike-Scioto-
304 PM EDT Wed Apr 21 2021

...FREEZE WARNING IN EFFECT FROM 1 AM TO 10 AM EDT THURSDAY...
...FREEZE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
MORNING...

This Hazardous Weather Outlook is for East Central Indiana,
Southeast Indiana, Northeast Kentucky, Northern Kentucky, Central
Ohio, South Central Ohio, Southwest Ohio and West Central Ohio.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Freeze Warning.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Freeze Warning.
   Freeze Watch.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Apr 21, 3:05 PM EDT, 4 hours 39 minutes before

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Special weather statement, Apr 21, 6:59 PM EDT, 45 minutes before

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Special weather statement, Apr 21, 7:27 PM EDT, 17 minutes before

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Special weather statement, Apr 21, 7:44 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
Apr 21, 3:54 AM EDT	Freeze Warning	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	30 hr
Apr 21, 3:04 PM EDT	Freeze Watch	ILN	Adams, Auglaize, Brown, Butler, Champaign, Clark and 26 more	24 hr
Apr 21, 7:27 PM EDT	Special Weather Statement	ILN	Mercer	48 min
Apr 21, 6:59 PM EDT	Special Weather Statement	ILN	Wayne	46 min

Nearby

Special Weather Statements in Ohio, 2021 Special Weather Statements in Indiana, 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.