Alert archive / Ohio / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 74, NWS Wilmington, OH

May 19, 1997Scioto County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at May 19, 1997, 5:50 PM EDT for Scioto County, Ohio. It was in force for 60 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: May 19, 1997, 5:50 PM EDT (21:50 UTC)
Expired: May 19, 1997, 6:50 PM EDT
In force: 60 min
Issued by: NWS Wilmington, OH
Area: Whole counties

County Scioto County, OH

What was reported inside it

Time	Report	Where	Remark
May 19, 6:00 PM EDT	Thunderstorm Wind 50	Mt Joy, OH	Several trees downed.

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 12:00Z, 9.8 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-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: 29 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1047 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 216 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

897 
WUUS01 KILN 192151 RRA
SVRILN
OHC145-192250-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
550 PM EDT MON MAY 19 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 650 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTH CENTRAL OHIO

   ...SCIOTO COUNTY
 
AT 549 PM EDT RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS
APPROACHING WESTERN SCIOTO COUNTY. THIS LINE OF THUNDERSTORMS WAS
MOVING TOWARD THE EAST AT 40 MPH AND WILL MOVE THROUGH
OTWAY...PORTSMOUTH AND SOUTH WEBSTER BY 645 PM EDT.

THESE THUNDERSTORMS HAVE PRODUCED WIND DAMAGE WEST OF SCIOTO COUNTY.
 
IT IS DANGEROUS TO BE OUTDOORS WHILE A SEVERE THUNDERSTORM IS IN
PROGRESS. DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE. SEEK SHELTER IN A BUILDING OR
A VEHICLE. IF YOU ARE CAUGHT IN THE OPEN...STAY AWAY FROM TOWERS
AND LARGE TREES. CROUCH NEAR THE GROUND AND COVER YOUR HEAD.

&

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 May 19, 2:53 PM EDT, 2 hours 57 minutes earlier.

Area forecast discussion, May 19, 2:53 PM EDT, 2 hours 57 minutes before

FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
250 PM EDT MON MAY 19 1997

AT 17Z...THE CLD FRNT XTENDED ACRS ECNTRL MI SE TO SRN IL.  SH AND TSTM
WERE DEVELPING ACROSS ENTIRE CWA. SAT PICT SHOWS EXPLOSIVE DEV IN TN
AND SRN KY WITH THE CU FIELD QUICKLY FILLING IN ACROSS SRN IN...NRN KY
AND OH. XPECT THE SH AND TSTMS TO CONTINUE DEVELPING THIS AFT AS THE
FRONT PUSHES E.

THE PROBLEMS OF THE DAY ARE WHEN TO TIME OUT THE PRECIP THIS EVE AS
WELL AS HOW COLD WILL TEMPS BE TONIGHT. MODELS ARE STILL IN FAIRLY GOOD
AGREEMENT ESP WITH THE EWRD PROGRESSION OF THE FRNT.  XPECT THE FRNT TO
BE E OF DAY AND CVG BY 00Z.  THUS WILL SEE LINGERING SH AND TSTS IN THE
W TO COME TO AN END THIS EVE.  IN THE EAST...XPCT THE ACTIVITY END BY
MID.

FOR TON...DRYER AIR WL WORK IN FROM THE GREAT LKS SO SHOULD SEE PARTIAL
CLEARING IN THE NW DURING THE OVERNIGHT HRS...AND DURING THE EARLY
MORNING HRS ACRS CVG...CMH...DAY. WITH STRNG CAA MOVING IN
OVERNIGHT...TEMPS WILL PLUMMET.  850 TEMPS BY 12Z TUE WILL RANGE BTWN 2
AND 7 ACRS THE AREA.

AS FOR TUE...ANTICYCLONIC CURVATURE ALONG WITH NRLY FLOW AND CAA WILL
BE THE DOM FEATURES.  XPCT SOME CU TO DEV ESP ACROS THE N WHERE MOIST
LEVELS WILL BE HIGHER. HOWEVER...SKIES SHOULD PRODIMANTLY BE PS WHILE
SOME AREAS ESP IN KY MAY SEE MS FOR MUCH OF THE DAY.

THE HIGH WILL CONT TO BUILD IN FROM W TUE NIGHT WHICH WL AID IN A
CLEARING TREND TOWARD SUNSET.

ANOTHER SHORTWAVE WILL DROP INTO THE AREA WED. THUS XPECT TO SEE SOME
CLOUDS DEV DURING THE DAY...MAINLY IN THE NORTH THOUGH. TEMPS WILL BE
COLD AS 850 TEMPS REMAIN BELOW 0 ACROSS THE ENTIRE AREA.

AS FOR TEMPS...TNK FAN NUMBERS ARlE A LITTLE ON THE COOL SIDE FOR TUE
AND WED. SO TENDED TO LEAN MORE TOWARD MOS VALUES.

CVG 49/65/42/63/44 5/0/0
DAY 47/63/42/61/43 5/0/0
CMH 48/62/40/60/41 7/0/0

INNES

In the hours before

Local storm report, May 19, 5:28 PM EDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
529 PM EDT MON MAY 19 1997

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

0450 PPM    BETHEL                    OH   WIND DAMAGE
05/19/97   CLERMONT                       SEVERAL TREES DOWN BETWEEN
                                          BETHEL AND FELICITY

Local storm report, May 19, 5:29 PM EDT, 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
529 PM EDT MON MAY 19 1997

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

0450 PM    BETHEL                    OH   WIND DAMAGE
05/19/97   CLERMONT                       SEVERAL TREES DOWN BETWEEN
                                          BETHEL AND FELICITY

Special weather statement, May 19, 5:50 PM EDT, 0 minutes before

OHZ073-074-082-088-200200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
550 PM EDT MON MAY 19 1997

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF SOUTH CENTRAL
   OHIO...

SEVERE THUNDERSTORMS HAVE DEVELOPED ACROSS SOUTHERN OHIO THIS
AFTERNOON. THESE STORMS WILL CONTINUE TO PUSH EAST ACROSS SOUTH CENTRAL
OHIO THROUGH THE NEXT COUPLE OF HOURS. AS A RESULT...A SEVERE
THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM EDT FOR PARTS OF SOUTH
CENTRAL OHIO.

CITIES IN THE WATCH AREA INCLUDE CHILLICOTHE AND PORTSMOUTH.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES.

LOTT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 11:28 PM EDT	Severe Thunderstorm Warning	ILN	Paulding	32 min
May 18, 11:41 PM EDT	Severe Thunderstorm Warning	ILN	Putnam, Van Wert	49 min
May 19, 12:08 AM EDT	Severe Thunderstorm Warning	ILN	Allen	37 min
May 19, 4:48 PM EDT	Severe Thunderstorm Warning	ILN	Clermont	32 min
May 19, 4:58 PM EDT	Severe Thunderstorm Warning	ILN	Brown	32 min
May 19, 5:15 PM EDT	Severe Thunderstorm Warning	ILN	Highland	30 min
May 19, 5:20 PM EDT	Severe Thunderstorm Warning	ILN	Adams, Pike	40 min
May 19, 5:20 PM EDT	Severe Thunderstorm Warning	ILN	Ross	40 min
May 19, 6:00 PM EDT	Severe Thunderstorm Warning	ILN	Pike, Ross	30 min
May 19, 6:33 PM EDT	Flash Flood Warning	ILN	Adams	2 hr
May 19, 6:49 PM EDT	Flash Flood Warning	ILN	Adams	116 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1997 Every severe thunderstorm warning in 1997

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.