Alert archive / Ohio / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 183, NWS Cleveland, OH

July 21, 2003Mahoning County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 21, 2003, 9:34 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: Jul 21, 2003, 9:34 PM EDT (01:34 UTC)
Expired: Jul 21, 2003, 10:15 PM EDT
In force: 41 min
Issued by: NWS Cleveland, OH
Area: Counties, with a storm outline in the text

County Mahoning County, OH

The radar

The Pittsburgh radar (KPBZ), 69 km from the middle of the area, began a volume at 01:35 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 00:00Z, 1.6 hours before the alert went out and 86 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: 171 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1282 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

014 
WUUS51 KCLE 220134
SVRCLE
OHC099-220215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
934 PM EDT MON JUL 21 2003

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MAHONING COUNTY IN NORTHEAST OHIO...

* UNTIL 1015 PM EDT

* AT 934 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 14 MILES WEST OF CANFIELD...OR ABOUT 13 MILES
  NORTHWEST OF SALEM...MOVING EAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  BOARDMAN
  CAMPBELL
  CANFIELD
  YOUNGSTOWN

HAIL UP TO ONE INCH IN DIAMETER AND WINDS GREATER THAN 58 MILES AN
HOUR ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN CLEVELAND.

LAT...LON 4095 8053 4096 8104 4113 8099 4113 8053

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 8:53 PM EDT	Special Marine Warning	CLE		2 hr
Jul 21, 9:47 PM EDT	Flash Flood Warning	CLE	Medina, Portage, Summit, Trumbull	5 hr
Jul 21, 9:50 PM EDT	Severe Thunderstorm Warning	CLE	Marion	25 min
Jul 22, 9:30 AM EDT	Severe Thunderstorm Warning	CLE	Richland	45 min
Jul 22, 11:44 AM EDT	Flash Flood Warning	CLE	Portage, Summit, Trumbull, Wayne	4 hr
Jul 22, 12:07 PM EDT	Severe Thunderstorm Warning	CLE	Stark	38 min
Jul 22, 1:31 PM EDT	Severe Thunderstorm Warning	CLE	Mahoning	44 min
Jul 22, 3:33 PM EDT	Flash Flood Warning	CLE	Portage, Trumbull	4 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2003 Every severe thunderstorm warning in 2003

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.