Alert archive / Ohio / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 43, NWS Cleveland, OH

May 31, 2002Mahoning County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at May 31, 2002, 4:48 PM EDT for Mahoning County, Ohio. It was in force for 57 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 31, 2002, 4:48 PM EDT (20:48 UTC)
Expired: May 31, 2002, 5:45 PM EDT
In force: 57 min
Issued by: NWS Cleveland, OH
Area: Whole counties

County Mahoning County, OH

The radar

The Pittsburgh radar (KPBZ), 71 km from the middle of the area, began a volume at 20:48 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 was reported inside it

Time	Report	Where	Remark
May 31, 4:50 PM EDT	Hail 0.88	Craig Beach, OH	Nickel size hail was reported two miles east of Craig Beach.
May 31, 5:05 PM EDT	Thunderstorm Wind	Boardman, OH	Thunderstorm winds downed two large tree limbs.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 31, 3:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.8 hours before the alert went out and 88 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: 164 J/kg
Mixed-layer CIN: -84 J/kg
Mixed-layer LCL: 1195 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KCLE 312048
SVRCLE
OHC099-312145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
448 PM EDT FRI MAY 31 2002

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 545 PM EDT

* AT 448 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES NORTHWEST OF CANFIELD...OR ABOUT 12
  MILES SOUTHWEST OF WARREN...MOVING SOUTHEAST AT 40 MPH.

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

LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINFALL ARE LIKELY WITH THIS
STORM. TAKE COVER IN A STURDY BUILDING UNTIL THE STORM HAS PASSED.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS 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.

$$

LOMBARDY

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 8:08 PM EDT	Special Marine Warning	CLE		2 hr
May 31, 9:25 AM EDT	Special Marine Warning	CLE		2 hr
May 31, 4:01 PM EDT	Severe Thunderstorm Warning	CLE	Medina, Summit	59 min
May 31, 4:57 PM EDT	Severe Thunderstorm Warning	CLE	Portage, Summit	63 min
May 31, 4:59 PM EDT	Severe Thunderstorm Warning	CLE	Stark	61 min
May 31, 5:02 PM EDT	Severe Thunderstorm Warning	CLE	Morrow, Richland	58 min
May 31, 5:13 PM EDT	Tornado Warning	CLE	Stark	47 min
May 31, 5:17 PM EDT	Severe Thunderstorm Warning	CLE	Knox	58 min
May 31, 5:22 PM EDT	Severe Thunderstorm Warning	CLE	Ashland	38 min
May 31, 5:34 PM EDT	Severe Thunderstorm Warning	CLE	Holmes	56 min
May 31, 6:10 PM EDT	Tornado Warning	CLE	Knox	20 min
May 31, 6:14 PM EDT	Severe Thunderstorm Warning	CLE	Stark	31 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.