Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 281, NWS Wilmington, OH

July 20, 1998Scioto County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 20, 1998, 12:07 AM EDT for Scioto County, Ohio. It was in force for 58 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 20, 1998, 12:07 AM EDT (04:07 UTC)
Expired
Jul 20, 1998, 1:05 AM EDT
In force
58 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Scioto County, OH

The radar

The Cincinnati radar (KILN), 99 km from the middle of the area, began a volume at 04:06 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

TimeReportWhereRemark
Jul 20, 12:26 AM EDTThunderstorm Wind 60Portsmouth, OHNumerous trees downed, one of which fell on a car.

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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.1 hours before the alert went out and 98 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, Cncnati-Daytn, OH at 00:00Z on 1998-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2300 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 1998-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 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
2300 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1282 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
1.0
Supercell composite
7.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 19, 3:05 AM EDT, 21 hours 2 minutes earlier.

Area forecast discussion, Jul 19, 3:05 AM EDT, 21 hours 2 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
305 AM EDT SUN JUL 19 1998

LTST SFC ANLYS SHWG WRM FNT FM SRN IND INTO CNTRL KY...JUST SW OF
FA. SHWRS AND TSMTS CONTG TO DVLP AND TRACK SE ALG FNT IN AREA OF
GOOD THETA E CONV...JUST BRUSHING FAR SWRN CWA. WUD XPCT FNT TO LIFT
SLOWLY N THRU THIS MRNG SO XPCT TO SEE SOME SHWRS AND TSTMS WORK
INTO NRN KY CNTYS. HOWEVER...WITH MID LVL S/W CONTG TO MOV E...SHUD
SEE SBSDNC DVLP ACRS AREA THRU THIS MRNG SO ANY SHWRS AND TSTMS THAT
DO MAKE IT INTO FA...SHUD NOT HANG ARND TOO LONG. OTHRWS...CLR SKIES
IN PLACE ACRS FA THIS MRNG AS MCS OVR MN/IA CONTS TO PUSH ESE. AT
06Z...ETA APPEARED TO HAV BEST HANDLE ON THIS AND WL LEAN TWD ETA
SOLUTION THRU TNGT. XPCT TO SEE SOME DEBRIS CLDS WORK INTO NRN
PORTIONS OF FA THRU LATE MRNG WHICH MAY CUT BACK ON HTG A LTL BUT
WITH GOOD WAA...SHUD STILL SEE TMPS WARM UP PRETTY GOOD. AMS PROGD
TO DSTBLZ THRU THIS AFTN WITH CAPES IN THE 2-3K RANGE BY 00Z. WITH
VORT AXIS BRUSHING ACRS NRN FA LATE THIS AFTN AND THIS EVNG...LOOKS
LIKE BEST CHC OF PCPN/SVR WL BE ACRS DAY AND CMH AREAS. WITH SOME
WRMR AIR ALF...INSTBLTY NOT QUITE AS GREAT ACRS SRN FA...BUT WITH
WRMFNT PUSHG SLOWLY NE...CHC POPS AlLSO RSBL ACRS THE S FOR LATE THIS
AFTN AND EVNG. RDG AXIS AND WRMR AIR ALF WORK IN ACRS AREA ON MON
WHICH SHUD KP ANY PCPN GNRLY TO THE NORTH OF FA.

DAY 89/72/90 451
CMH 90/72/92 451
CVG 90/72/92 340
PMH 90/72/92 230

LOTT

In the hours before

Local storm report, Jul 19, 9:38 PM EDT, 2 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
938 PM EDT SUN JUL 19 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0/^750 PM    ROUNDHEAD                 OH   WIND DAMAGE
07/19/98   HARDIN                         LARGE LIMBS DOWN.

0830 PM    GREENVILLE                OH   WIND DAMAGE
07/19/98   DARKE                          TREES DOWN NORTH OF
                                          GREENVILLE

0835 PM    BELLEFONTAINE             OH   WIND DAMAGE
07/19/98   LOGAN                          TREES DOWN

0840 PM    SIDNEY                    OH   60 MPH TSTM GUST
07/19/98   SHELBY

0905 PM    ASHLEY   \                 OH   70 MPH TSTM GUST
07/19/98   DELAWARE

KELLS
Local storm report, Jul 19, 9:38 PM EDT, 2 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE WILMINGTON OHIO
938 PM EDT SUN JUL 19 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0750 PM    ROUNDHEAD                 OH   WIND DAMAGE
07/19/98   HARDIN                         LARGE LIMBS DOWN.

0830 PM    GREENVILLE                OH   WIND DAMAGE
07/19/98   DARKE                          TREES DOWN NORTH OF
                                          GREENVILLE

0835 PM    BELLEFONTAINE             OH   WIND DAMAGE
07/19/98   LOGAN                          TREES DOWN

0840 PM    SIDNEY                    OH   60 MPH TSTM GUST
07/19/98   SHELBY

0905 PM^    ASHLEY                    OH   70 MPH TSTM GUST
07/19/98   DELAWARE

KELLS
Special weather statement, Jul 19, 10:49 PM EDT, 1 hour 18 minutes before
OHZ026-034-035-042>046-051-052-200330-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1049 PM EDT SUN JUL 19 1998

...SEVERE THUNDERSTORM WATCH FOR WEST CENTRAL OHIO AND THE NORTHERN
PORTIONS OF THE MIAMI VALLEY AND CENTRAL OHIO EXPIRED AT 10 PM
EDT...

THE LINE OF SEVERE THUNDERSTORMS HAS MOVED SOUTHEAST OF THE REGION.
SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING BEHIND THE LINE WILL
AFFECT THE REGION FOR THE NEXT SEVERAL HOURS.

STAY TUNED TO NOAA WEATHER OR THE MEDIA FOR FURTHER UPDATES.

.END/SITES
Local storm report, Jul 19, 10:58 PM EDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1058 PM EDT SUN JUL 19 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1049 PM                              OH   1.75 INCH HAIL
07/19/98   HAMILTON                       GOLFBALL HAIL REPORTED IN
                                          NORTH CENTRAL PART OF
                                          COUNTY

1015 PM    VANDALIA                  OH   74 MPH TSTM GUST
07/19/98   MONTGOMERY                     74 MPH IN VANDALIA

1018 PM                              OH   80 MPH TSTM GUST
07/19/98   PICKAWAY                       80 MPH GUST IN 5 POINTS

1030 PM                              OH   WIND DAMAGE
07/19/98   MIAMI                          TREES DOWN COUNTYWIDE

1049 PM                              OH   70 MPH TSTM GUST
07/19/98   GREENE                         70 MPH GUST IN BEAVERCREEK

...CORRECTED FOR DAY AND TIME
Local storm report, Jul 19, 11:00 PM EDT, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1058 AM EDT MON JUL 20 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1049 PM                              OH   1.75 INCH HAIL
07/19/98   HAMILTON                       GOLFBALL HAIL REPORTED IN
                                          NORTH CENTRAL PART OF
                                          COUNTY

1015 PM    VANDALIA                  OH   70 MPH TSTM GUST
07/19/98   MONTGOMERY                     70 MPH IN VANDALIA

1018 PM                              OH   80 MPH TSTM GUST
07/19/98   PICKAWAY                       80 MPH GUST IN 5 POINTS

1030 PM                              OH   WIND DAMAGE
07/19/98   MIAMI                          TREES DOWN COUNTYWIDE

1049 PM                              OH   70 MPH TSTM GUST
07/19/98   GREENE                         70 MPH GUST IN BEAVERCREEK
Local storm report, Jul 20, 12:04 AM EDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
1058 PM EDT SUN JUL 19 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1049 PM                              OH   1.75 INCH HAIL
07/19/98   HAMILTON                       GOLFBALL HAIL REPORTED IN
                                          NORTH CENTRAL PART OF
                                          COUNTY

1015 PM    VANDALIA                  OH   74 MPH TSTM GUST
07/19/98   MONTGOMERY                     74 MPH IN VANDALIA

1018 PM                              OH   80 MPH TSTM GUST
07/19/98   PICKAWAY                       80 MPH GUST IN 5 POINTS

1030 PM                              OH   WIND DAMAGE
07/19/98   MIAMI                          TREES DOWN COUNTYWIDE

1049 PM                              OH   70 MPH TSTM GUST
07/19/98   GREENE                         70 MPH GUST IN BEAVERCREEK

...CORRECTED FOR DAY AND TIME

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 8:03 PM EDTTornado WarningILNHardin47 min
Jul 19, 8:04 PM EDTSevere Thunderstorm WarningILNLogan, Shelby61 min
Jul 19, 8:04 PM EDTSevere Thunderstorm WarningILNDarke61 min
Jul 19, 8:14 PM EDTTornado WarningILNMercer36 min
Jul 19, 8:34 PM EDTTornado WarningILNShelby31 min
Jul 19, 8:38 PM EDTSevere Thunderstorm WarningILNDelaware, Union62 min
Jul 19, 8:44 PM EDTSevere Thunderstorm WarningILNChampaign, Miami61 min
Jul 19, 8:57 PM EDTSevere Thunderstorm WarningILNDarke, Mercer63 min
Jul 19, 9:08 PM EDTSevere Thunderstorm WarningILNClark, Madison62 min
Jul 19, 9:08 PM EDTSevere Thunderstorm WarningILNFranklin62 min
Jul 19, 9:30 PM EDTSevere Thunderstorm WarningILNLicking60 min
Jul 19, 9:47 PM EDTSevere Thunderstorm WarningILNMiami, Montgomery63 min
Jul 19, 9:51 PM EDTSevere Thunderstorm WarningILNGreene64 min
Jul 19, 9:53 PM EDTSevere Thunderstorm WarningILNFairfield, Pickaway62 min
Jul 19, 9:55 PM EDTSevere Thunderstorm WarningILNPreble60 min
Jul 19, 10:13 PM EDTSevere Thunderstorm WarningILNFayette62 min
Jul 19, 10:18 PM EDTSevere Thunderstorm WarningILNButler, Hamilton62 min
Jul 19, 10:24 PM EDTSevere Thunderstorm WarningILNMadison46 min
Jul 19, 10:44 PM EDTSevere Thunderstorm WarningILNClinton, Warren66 min
Jul 19, 10:57 PM EDTSevere Thunderstorm WarningILNPickaway, Ross78 min
Jul 19, 11:03 PM EDTSevere Thunderstorm WarningILNClermont77 min
Jul 19, 11:03 PM EDTSevere Thunderstorm WarningILNBrown82 min
Jul 19, 11:26 PM EDTSevere Thunderstorm WarningILNHighland64 min
Jul 19, 11:43 PM EDTSevere Thunderstorm WarningILNAdams, Pike72 min
Jul 20, 1:15 AM EDTFlash Flood WarningILNButler, Preble2 hr
Jul 20, 2:48 AM EDTFlash Flood WarningILNHamilton2 hr
Jul 20, 4:25 AM EDTFlash Flood WarningILNButler2 hr
Jul 20, 4:50 AM EDTSevere Thunderstorm WarningILNOwen50 min
Jul 20, 5:37 AM EDTFlash Flood WarningILNCarroll, Gallatin, Owen2 hr
Jul 20, 7:30 AM EDTFlash Flood WarningILNCarroll, Gallatin3 hr
Jul 20, 7:30 AM EDTFlash Flood WarningILNOwen3 hr
Jul 19, 11:14 PM EDTSevere Thunderstorm WarningILNFayette, Union, Wayne61 min
Jul 20, 12:36 AM EDTFlash Flood WarningILNWayne2 hr
Jul 20, 12:58 AM EDTSevere Thunderstorm WarningILNUnion32 min
Jul 20, 1:35 AM EDTSevere Thunderstorm WarningILNFranklin45 min
Jul 20, 3:35 AM EDTSevere Thunderstorm WarningILNFranklin, Ripley50 min
Jul 20, 3:58 AM EDTFlash Flood WarningILNDearborn, Ripley2 hr
Jul 20, 5:10 AM EDTFlash Flood WarningILNRipley115 min
Jul 20, 5:37 AM EDTFlash Flood WarningILNSwitzerland2 hr
Jul 20, 7:05 AM EDTFlash Flood WarningILNRipley3 hr

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.