Alert archive / Ohio / Tornado Watches in 2023

Tornado Watch 48

February 27, 202315 counties in Ohio; 5 counties in West Virginia

The Storm Prediction Center issued this tornado watch at Feb 27, 2023, 4:07 PM EST for 15 counties in Ohio; 5 counties in West Virginia. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Feb 27, 2023, 4:07 PM EST (21:07 UTC)
Expired
Feb 27, 2023, 7:00 PM EST
In force
3 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
55 kt

Counties Athens County, OH, Belmont County, OH, Coshocton County, OH, Gallia County, OH, Guernsey County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Vinton County, OH, Washington County, OH, Jackson County, WV, Mason County, WV, Pleasants County, WV, Wirt County, WV, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 144 km from the middle of the area, began a volume at 21:10 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
30%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
20%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
10%
One or more hailstones of 2 inches or more
10%
Six or more combined severe hail and wind reports
40%

Warnings issued inside it

4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Feb 27, 5:18 PM ESTSevere Thunderstorm WarningRLXGallia, Meigs27 min
Feb 27, 5:45 PM ESTSevere Thunderstorm WarningRLXAthens, Jackson, Meigs, Vinton30 min
Feb 27, 6:04 PM ESTSevere Thunderstorm WarningRLXAthens, Morgan, Washington26 min
Feb 27, 6:25 PM ESTSevere Thunderstorm WarningRLXWashington17 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.1 hours before the alert went out and 185 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2023-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2023-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
993 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
367 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 27, 12:59 PM ESTMesoscale DiscussionSPCAdams, Brown, Butler, Champaign, Clark, Clermont and 13 more91 min
Feb 27, 1:28 PM ESTTornado WatchSPCAdams, Allen, Auglaize, Brown, Butler, Champaign and 31 more5 hr
Feb 27, 2:13 PM ESTMesoscale DiscussionSPCButler, Greene, Montgomery, Preble, Warren62 min
Feb 27, 3:27 PM ESTMesoscale DiscussionSPCChampaign, Clark, Clermont, Clinton, Coshocton, Delaware and 17 more2 hr
Feb 27, 6:34 PM ESTMesoscale DiscussionSPCMonroe, Noble, Washington116 min

Nearby

Tornado Watches in Ohio, 2023Tornado Watches in West Virginia, 2023Every tornado watch in 2023

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.