Alert archive / Ohio / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 72, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at May 19, 1997, 5:20 PM EDT for Ross County, Ohio. It was in force for 40 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, 5:20 PM EDT (21:20 UTC)
- Expired
- May 19, 1997, 6:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Ross County, OH
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 19, 5:25 PM EDT | Thunderstorm Wind 50 | Londonderry, OH | Numerous 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, 9.3 hours before the alert went out and 65 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
692 WUUS01 KILN 192121 RRA SVRILN OHC001-131-141-192200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 520 PM EDT MON MAY 19 1997 THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL OHIO ...ADAMS COUNTY ...PIKE COUNTY IN CENTRAL OHIO ...ROSS COUNTY AT 519 PM EDT DOPPLER RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS MOVING INTO NORTHERN SECTIONS OF ADAMS COUNTY AND WESTERN SECTIONS OF PIKE AND ROSS COUNTIES. THIS LINE OF THUNDERSTORMS WAS MOVING TOWARD THE EAST AT 40 MPH AND WILL MOVE THROUGH PEEBLES...PIKETON AND CHILLICOTHE BY 6 PM EDT. 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 27 minutes earlier.
Area forecast discussion, May 19, 2:53 PM EDT, 2 hours 27 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
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, 5:50 PM EDT | Severe Thunderstorm Warning | ILN | Scioto | 60 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, 1997Every 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.