Alert archive / Ohio / Special Weather Statements in 2021

Special Weather Statement, NWS Cleveland, OH

June 30, 2021Mahoning County, Ohio

NWS Cleveland, OH issued this special weather statement at Jun 30, 2021, 4:49 PM EDT for Mahoning County, Ohio. It was in force for 41 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
Jun 30, 2021, 4:49 PM EDT (20:49 UTC)
Expired
Jun 30, 2021, 5:30 PM EDT
In force
41 min
Issued by
NWS Cleveland, OH

County Mahoning County, OH

The radar

The Pittsburgh radar (KPBZ), 74 km from the middle of the area, began a volume at 20:51 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, 8.8 hours before the alert went out and 91 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, Pittsburgh, PA at 12:00Z on 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 807 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, Pittsburgh, PA at 12:00Z on 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
807 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1240 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

320 
WWUS81 KCLE 302049
SPSCLE

Special Weather Statement
National Weather Service Cleveland OH
449 PM EDT Wed Jun 30 2021

OHZ033-302130-
Mahoning-
449 PM EDT Wed Jun 30 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN MAHONING
COUNTY...

At 449 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Canfield to near Sebring to Alliance.
Movement was southeast at 25 mph.

Winds in excess of 40 mph and pea size hail are possible with these
storms.

Locations impacted include...
Salem, Columbiana, Boardman, Canfield, Sebring, Struthers, Poland,
New Middletown, Lowellville, Beloit, Maple Ridge and Greenford.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4098 8109 4099 8108 4099 8100 4100 8100
      4105 8052 4090 8052 4090 8082 4093 8083
      4093 8089 4090 8090 4090 8108
TIME...MOT...LOC 2049Z 297DEG 21KT 4101 8079 4095 8095 4093 8110 

$$

Clark

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 10:29 PM EDTSpecial Weather StatementCLEHolmes31 min
Jun 30, 1:50 PM EDTSpecial Weather StatementCLEWood40 min
Jun 30, 2:29 PM EDTSpecial Weather StatementCLEHuron, Sandusky, Seneca61 min
Jun 30, 2:55 PM EDTSevere Thunderstorm WarningCLECrawford, Huron, Richland, Seneca50 min
Jun 30, 3:14 PM EDTAreal Flood AdvisoryCLECrawford, Huron, Seneca5 hr
Jun 30, 3:24 PM EDTSpecial Weather StatementCLEAshland36 min
Jun 30, 3:40 PM EDTSpecial Weather StatementCLELorain35 min
Jun 30, 4:23 PM EDTSpecial Weather StatementCLEMahoning52 min
Jun 30, 4:34 PM EDTSpecial Weather StatementCLEStark56 min
Jun 30, 4:43 PM EDTAreal Flood AdvisoryCLEMahoning, Portage, Trumbull3 hr
Jun 30, 4:51 PM EDTAreal Flood AdvisoryCLEStark, Summit3 hr

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.