Alert archive / Ohio / Special Weather Statements in 2021

Special Weather Statement, NWS Cleveland, OH

July 15, 2021Erie County, Ohio

NWS Cleveland, OH issued this special weather statement at Jul 15, 2021, 6:01 PM EDT for Erie County, Ohio. It was in force for 29 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 15, 2021, 6:01 PM EDT (22:01 UTC)
Expired
Jul 15, 2021, 6:30 PM EDT
In force
29 min
Issued by
NWS Cleveland, OH

County Erie County, OH

The radar

The Cleveland radar (KCLE), 52 km from the middle of the area, began a volume at 22:02 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

Detroit, MI (KDTX), launched 12:00Z, 10.0 hours before the alert went out and 171 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, Detroit, MI at 12:00Z on 2021-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 514 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2021-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.193958Sfc1 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
514 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted.

278 
WWUS81 KCLE 152201
SPSCLE

Special Weather Statement
National Weather Service Cleveland OH
601 PM EDT Thu Jul 15 2021

OHZ009-019-152230-
Huron-Erie-
601 PM EDT Thu Jul 15 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN HURON AND ERIE
COUNTIES...

At 600 PM EDT, a strong thunderstorm was located over Northern Milan,
or near Norwalk, moving east at 25 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Norwalk, Western Vermilion, Milan, Northern Milan, Wakeman, Berlin
Heights and Birmingham.

If outdoors, consider seeking shelter inside a building.

LAT...LON 4143 8235 4126 8234 4123 8234 4127 8269
      4139 8264 4140 8255 4138 8252 4138 8248
TIME...MOT...LOC 2200Z 267DEG 23KT 4131 8259 

$$

Maines

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 3:03 PM EDTSpecial Weather StatementCLELucas27 min
Jul 15, 3:16 PM EDTSpecial Marine WarningCLE89 min
Jul 15, 5:14 PM EDTSpecial Marine WarningCLE91 min
Jul 15, 5:25 PM EDTSpecial Weather StatementCLEKnox35 min
Jul 15, 6:48 PM EDTSpecial Weather StatementCLELake27 min
Jul 15, 6:49 PM EDTSpecial Marine WarningCLE75 min
Jul 15, 6:54 PM EDTSpecial Weather StatementCLESeneca36 min
Jul 15, 6:56 PM EDTSevere Thunderstorm WarningCLEAshtabula, Geauga, Lake, Trumbull49 min
Jul 15, 7:37 PM EDTSevere Thunderstorm WarningCLEAshtabula38 min
Jul 15, 7:56 PM EDTSpecial Weather StatementCLEPortage, Trumbull49 min
Jul 15, 7:27 PM EDTSpecial Weather StatementCLEErie33 min

Nearby

Special Weather Statements in Ohio, 2021Every 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.