Alert archive / Ohio / Special Weather Statements in 2021

Special Weather Statement, NWS Cleveland, OH

July 29, 2021Ashtabula County, Geauga County, Lake County, Ohio

NWS Cleveland, OH issued this special weather statement at Jul 29, 2021, 9:46 AM EDT for Ashtabula County, Geauga County, Lake 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 29, 2021, 9:46 AM EDT (13:46 UTC)
Expired: Jul 29, 2021, 10:15 AM EDT
In force: 29 min
Issued by: NWS Cleveland, OH

Counties Ashtabula County, OH, Geauga County, OH, Lake County, OH

The radar

The Cleveland radar (KCLE), 81 km from the middle of the area, began a volume at 13:50 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

Pittsburgh, PA (KPIT), launched 12:00Z, 1.8 hours before the alert went out and 161 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: 136 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1222 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

927 
WWUS81 KCLE 291346
SPSCLE

Special Weather Statement
National Weather Service Cleveland OH
946 AM EDT Thu Jul 29 2021

OHZ012>014-089-291415-
Geauga-Lake-Ashtabula Lakeshore-Ashtabula Inland-
946 AM EDT Thu Jul 29 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT GEAUGA...LAKE AND
ASHTABULA COUNTIES...

At 946 AM EDT, radar indicated strong thunderstorms were located
along a line extending from Painesville to near Chesterland. Movement
was east at 45 mph.

Wind gusts up to 50 mph are possible with these storms.

Locations impacted include...
Painesville, Ashtabula, Conneaut, Chardon, Fairport Harbor,
Geneva-On-The-Lake, Mentor, Geneva, Madison, North Kingsville,
Middlefield, Perry, Orwell, Burton, Chesterland, Kirtland, Huntsburg,
Claridon, Austinburg and Montville.

If outdoors, consider seeking shelter inside a building.

LAT...LON 4150 8081 4150 8100 4146 8100 4144 8137
      4176 8128 4176 8124 4186 8101 4187 8090
      4191 8080 4191 8077 4195 8059
TIME...MOT...LOC 1346Z 253DEG 37KT 4173 8123 4148 8134 

$$

Saunders

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 8:57 AM EDT	Special Weather Statement	CLE	Marion	33 min
Jul 29, 9:11 AM EDT	Special Marine Warning	CLE		94 min
Jul 29, 10:03 AM EDT	Small Craft Advisory	CLE		28 hr
Jul 29, 10:05 AM EDT	Beach Hazards Statement	CLE	Ashtabula, Cuyahoga, Erie, Lake, Lorain	28 hr
Jul 29, 10:09 AM EDT	Special Marine Warning	CLE		2 hr
Jul 29, 10:47 AM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Lake	43 min
Jul 29, 11:16 AM EDT	Special Marine Warning	CLE		60 min
Jul 29, 11:35 AM EDT	Severe Thunderstorm Warning	CLE	Ashtabula, Lake	40 min
Jul 29, 11:45 AM EDT	Tornado Warning	CLE	Ashtabula	27 min
Jul 29, 11:50 AM EDT	Areal Flood Advisory	CLE	Ashtabula	3 hr
Jul 29, 12:03 PM EDT	Flash Flood Warning	CLE	Ashtabula	3 hr
Jul 29, 12:31 PM EDT	Special Weather Statement	CLE	Ashtabula	29 min
Jul 29, 12:52 PM EDT	Areal Flood Advisory	CLE	Ashtabula	3 hr
Jul 29, 3:28 PM EDT	Areal Flood Warning	CLE	Ashtabula	2 hr
Jul 29, 3:46 PM EDT	Special Weather Statement	CLE	Stark	29 min
Jul 29, 4:15 PM EDT	Special Weather Statement	CLE	Stark	30 min
Jul 29, 10:17 AM EDT	Special Weather Statement	CLE	Crawford, Erie	28 min
Jul 29, 10:21 AM EDT	Severe Thunderstorm Warning	CLE	Crawford, Erie	39 min
Jul 29, 11:11 AM EDT	Areal Flood Advisory	CLE	Erie	3 hr
Jul 29, 1:01 PM EDT	Special Weather Statement	CLE	Crawford	29 min
Jul 29, 1:08 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	37 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.