Alert archive / Ohio / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 18, NWS Wilmington, OH

April 19, 1996Champaign County, Clark County, Greene County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 19, 1996, 10:53 PM EDT for Champaign County, Clark County, Greene County, Ohio. It was in force for 52 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
Apr 19, 1996, 10:53 PM EDT (02:53 UTC)
Expired
Apr 19, 1996, 11:45 PM EDT
In force
52 min
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Champaign County, OH, Clark County, OH, Greene County, OH

The radar

The Cincinnati radar (KILN), 55 km from the middle of the area, began a volume at 02:56 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
Apr 19, 11:00 PM EDTHail 0.75Beavercreek, OH

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, 2.9 hours before the alert went out and 54 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 1996-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1144 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 1996-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939587897117Sfc1 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
1144 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
1.1
Supercell composite
4.8

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 Apr 19, 8:31 PM EDT, 2 hours 22 minutes earlier.

Area forecast discussion, Apr 19, 8:31 PM EDT, 2 hours 22 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
830 PM EDT FRI APR 19 1996

SUPERCELL NR IND ATTM MOVG E AT 40 MPH.  CELL IS STILL IMPRESSIVE BUT
NOT QUITE AS IMPRESSIVE AS EARLIER (TORNADO SIGNATURE).  LDS IS GIVING
50-59 STRIKES IN PAST 5 MINUTES WITH THIS STORM.  CURRENT MOVEMENT
WOULD TAKE CENTER OF STORM NR WAYNE-FAYETTE-UNION IN COUNTIES THEN INTO
PREBLE CO.  OUR PROFILER IS SHOWG SAME OMINOUS TREND AS KIND AS LOW LVL
WINDS BACK FM SW TO S TO SE ALLOWING FOR GOOD STORM INFLOW.  00Z ILN
SOUNDG HAS A SWEAT INDEX OF 554!  IMAGINE THAT THIS # IS EVEN HIGHER
WHEN LWST LVL WINDS OF SE DIRECTION TAKEN INTO ACCOUNT AS WELL AS
STRENGTHENING WINDS ALOFT.  HELICITY VALUES BETWEEN 200 AND 250 WITH
SHOWALTER OF -4.

OTHER THAN THE ISOLATED SUPERCELL...A LINE OF TSTMS XTNDS ACROSS
C IL AND THIS IS WHAT WL MOVE IN AND GIVE MUCH OF THE FA THE THREAT
OF SVR WX.  IT SHOULD BE ENTERING W FA SHORTLY AFT MIDNGT.  WL
CONTINUE FCST FOR RW/TRW TNGT...POSS SEVERE. WL BE VERY BUSY
SHORTLY.
SANDLER

In the hours before

Local storm report, Apr 19, 5:32 PM EDT, 5 hours 21 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
530 PM EDT THU AUG 10 1995

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

0205 PM    PORTSMOUTH                OH   WIND DAMAGE
04/16/96   SCIOTO                         TREES DOWN

0408 AM    SUNBURY                   OH   TSTM GUST
04/19/96   DELAWARE                       GUST OF 59 MPH
                                          RPTD> BY SPOTTER

DELAYED REPORTS

FARINA
Local storm report, Apr 19, 5:36 PM EDT, 5 hours 17 minutes before
LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE WILMINGTON OH
530 PM EDT FRI APR 19 1995

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

0205 PM    PORTSMOUTH                OH   WIND DAMAGE
04/16/96   SCIOTO                         TREES DOWN

0408 AM    SUNBURY                   OH   TSTM GUST
04/19/96   DELAWARE                       GUST OF 59 MPH
                               @           RPTD BY SPOTTER

DELAYED REPORTS

FARINA

CORRECTED DATE
Special weather statement, Apr 19, 5:51 PM EDT, 5 hours 2 minutes before
INZ050-058-059-066-073-074-200300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
550 PM EDT FRI APR 19 1996

...TORNADO WATCH IN EFFECT FOR SOUTHEAST INDIANA INCLUDING THE
   WHITEWATER VALLEY THROUGH 11 PM EDT...

DAMAGING WINDS...LARGE HAIL AND ISOLATED TORNADOES CAN BE EXPECTED OVER
SOUTHEAST INDIANA THIS EVENING. THE THUNDERSTORMS WILL MOVE ACROSS THE
REGION DURING THE EVENING HOURS. WINDS OF OVER 60 MPH...HAIL OF 3/4 OF
AN INCH OR LARGER AND ISOLATED TORNADOES ARE POSSIBLE THIS EVENING.

REMEMBER THE SAFEST PLACE TO BE DURING A TORNADO IS IN THE BASEMENT OF
YOUR HOUSE UNDER A STURDY WORKBENCH OR STAIRCASE. IF A TORNADO IS
SIGHTED OUTSIDE ABANDON CARS AND MOVE INDOOR^S OR TO A DITCH. MOBILE
HOMES DO NOT OFFER ENOUGH PROTECTION FROM TORNADO WINDS.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION ON THIS
SITUATION.

FARINA
Special weather statement, Apr 19, 5:55 PM EDT, 4 hours 58 minutes before
INZ050-058-059-066-073-074-200400-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE WILMINGTON OH
555 PM EDT FRI APR 19 1996

...TORNADO WATCH IN EFFECT FOR SOUTHEAST INDIANA INCLUDING THE
   WHITEWATER VALLEY THROUGH MIDNIGHT EDT...

DAMAGING WINDS...LARGE HAIL AND ISOLATED TORNADOES CAN BE EXPECTED OVER
SOUTHEAST INDIANA THIS EVENING. THE THUNDERSTORMS WILL MOVE ACROSS THE
REGION DURING THE EVENING HOURS. WINDS OF OVER 60 MPH...HAIL OF 3/4 OF
AN INCH OR LARGER AND ISOLATED TORNADOES ARE POSSIBLE THIS EVENING.

REMEMBER THE SAFEST PLACE TO BE DURING A TORNADO IS IN THE BASEMENT OF
YOUR HOUSE UNDER A STURDY WORKBENCH OR STAIRCASE. IF A TORNADO IS
SIGHTED OUTSIDE ABANDON nCARS AND MOVE INDOORS OR TO A DITCH. MOBILE
HOMES DO NOT OFFER ENOUGH PROTECTION FROM TORNADO WINDS.

STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST INFORMATION ON THIS
SITUATION.

FARINA
Special weather statement, Apr 19, 10:00 PM EDT, 53 minutes before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 9:58 PM EDTSevere Thunderstorm WarningILNDarke, Preble62 min
Apr 19, 10:23 PM EDTSevere Thunderstorm WarningILNMontgomery37 min
Apr 19, 10:35 PM EDTSevere Thunderstorm WarningILNMiami40 min
Apr 20, 3:01 AM EDTSevere Thunderstorm WarningILNBoone29 min
Apr 19, 8:54 PM EDTTornado WarningILNFayette, Union, Wayne66 min
Apr 19, 9:59 PM EDTSevere Thunderstorm WarningILNUnion, Wayne31 min
Apr 20, 2:13 AM EDTSevere Thunderstorm WarningILNFranklin47 min
Apr 20, 2:17 AM EDTSevere Thunderstorm WarningILNSwitzerland43 min
Apr 20, 2:24 AM EDTSevere Thunderstorm WarningILNFayette, Union36 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1996Every severe thunderstorm warning in 1996

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.