Alert archive / Ohio / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 355, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jul 23, 1998, 12:20 AM EDT for Mahoning County, Ohio. It was in force for 65 min. 1 report 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
- Jul 23, 1998, 12:20 AM EDT (04:20 UTC)
- Expired
- Jul 23, 1998, 1:25 AM EDT
- In force
- 65 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 04:25 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 |
|---|---|---|---|
| Jul 23, 12:38 AM EDT | Thunderstorm Wind 61 | Washingtonville, OH | An estimated wind gust of 70 miles per hour was reported. |
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 nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 4.3 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.
- Mixed-layer CAPE
- 1454 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1098 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
320 WUUS1 KCLE 230419 RRA SVRCLE OHC099-230525- BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 1220 AM EDT THU JUL 23 1998 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MAHONING COUNTY IN NORTHEASTERN OHIO * UNTIL 125 AM EDT * AT 1218 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 16 MILES EAST OF CANTON OR 6 MILES SOUTHWEST OF SEBRING MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL MOVE NEAR... SEBRING BERLIN CENTER CALLA YOUNGSTOWN SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS BM
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cleveland, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 22, 10:00 AM EDT, 14 hours 20 minutes earlier.
Area forecast discussion, Jul 22, 10:00 AM EDT, 14 hours 20 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 1000 AM EDT WED JUL 22 1998 OUTFLOW BNDRY APRNT ON KILN...XTNDG FM NR LUK NE TO CHILLICOTHE OH. AS NOCTURNAL LLJ BREAKS DOWN AND AMS STABILIZES A BIT WTH OUTFLOW PASSAGE...PCPN BREAKING UP SIGNIFICANTLY. IR IMAGRY SHOWING SIG WARMING OF TOPS AND DCRS IN COVERAGE AREA...BUT THREAT FOR HVY PCP OVR FOR NOW TIL AFTN CONVECTION FIRES UP OVR ANY REMAINING BNDRYS. LOOKS LIKE BEST CHC FOR FIRE UPS WL BE CNTRL AND SRN FA FOLLOWING BNDRY AND AHD OF SAGGING SFC FNT. 12Z SFC ANLYS HAS SFC FNT SAGGING S A BIT AND NOW APCHNG NRN IN/IL FM SRN WI/MI. CNVCTN STILL FIRING UP JUST S OF FNT OVR NRN IN...BUT APRS TO BE HEADING ENE ALNG AND AHD OF FNTL BNDRY. TEMPS SEEM TO BE A BIT BEHIND WTH REMAINING CLDS/PCPN ACRS FA. EVEN WTH SLOW START AND XPCTD CONTINUED CLDS...SHUD SEE UPR 80S FOR DAY....WTH BEST CHC FOR ARND 90 NR PMH/CVG/CMH. DIAN-REED
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 10:36 PM EDT | Severe Thunderstorm Warning | CLE | Morrow | 64 min |
| Jul 22, 11:48 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 17 min |
| Jul 22, 11:51 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 64 min |
| Jul 23, 12:35 AM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 60 min |
| Jul 23, 12:42 AM EDT | Tornado Warning | CLE | Mahoning | 48 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1998Every severe thunderstorm warning in 1998
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.