Alert archive / Ohio / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 4, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jan 5, 1997, 12:25 AM EST for Champaign County, Clark County, Ohio. It was in force for 35 min. 2 reports 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
- Jan 5, 1997, 12:25 AM EST (05:25 UTC)
- Expired
- Jan 5, 1997, 1:00 AM EST
- In force
- 35 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Champaign County, OH, Clark County, OH
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 5, 12:35 AM EST | Thunderstorm Wind 60 | Enon, OH | |
| Jan 5, 12:40 AM EST | Thunderstorm Wind 50 | Urbana, 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, 5.4 hours before the alert went out and 66 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 753 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 325 m²/s²
- 0-3 km storm-relative helicity
- 436 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KILN 050525 RRA SVRILN OHC015-023-027-057-050600- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WILMINGTON OH 1225 AM EST SUN JAN 5 1997 THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 AM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST OHIO ...BROWN COUNTY...CLINTON COUNTY IN WEST CENTRAL OHIO ...GREENE COUNTY...CLARK COUNTY...CHAMPAIGN COUNTY AT 1220 AM EST DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM DRY RIDGE KY TO DAYTON. THE STORMS WERE MOVING EAST NORTHEAST AROUND 40 MPH AND WILL PRODUCE DAMAGING WINDS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER> COVERS THE ROAD. FARINA
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 Jan 4, 8:31 PM EST, 3 hours 54 minutes earlier.
Area forecast discussion, Jan 4, 8:31 PM EST, 3 hours 54 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 830 PM EST SAT JAN 4 1997 00Z SFC ANALYSIS INDICATED LOW PRES OVR LMICH WITH A CDFNT TRAILING SWD ACROSS ERN IL SWWD INTO TX. AHEAD OF THE FNT A NARROW AXIS OF 60+ DEW POINTS EXISTED ACROSS WRN KY AND WRN IN. IN THIS AREA...NMRS TRW WERE MOVG TOWARD FA. KILN SOUNDING WAS SLIGHTLY STABLE. MODIFYING FOR WORST CASE SCENARIO OF 60F DEW POINTS (NRN KY) GIVES A LI OF -1 AND CAPES AROUND 250. THUS CONTINUE CHC TRW ALONG WITH -SHRA. FROM DAY-CMH NWD...TRW WL BE WDLY SCT SINCE INSTABILITY WL HARDLY EXIST. HOWEVER... SUGGEST CONT MENTION OF TRW ALL ZONES. WITH PW'S OF 1.13 RAINFALL COULD BE HEAVY IN SPOTS. ONLY OTHER CHANGE NEEDED IS TO INCREASE WINDS ACROSS NRN KY AND INDICATE SWLY DIRECTION THROUGH MUCH OF NIGHT. WILKINSON
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 11:54 PM EST | Severe Thunderstorm Warning | ILN | Butler, Hamilton | 36 min |
| Jan 5, 12:01 AM EST | Severe Thunderstorm Warning | ILN | Clermont, Montgomery, Warren | 44 min |
| Jan 5, 12:25 AM EST | Severe Thunderstorm Warning | ILN | Brown, Clinton, Greene | 35 min |
| Jan 5, 12:43 AM EST | Severe Thunderstorm Warning | ILN | Clermont | 17 min |
| Jan 5, 12:49 AM EST | Severe Thunderstorm Warning | ILN | Fayette, Highland | 41 min |
| Jan 5, 12:49 AM EST | Severe Thunderstorm Warning | ILN | Madison | 41 min |
| Jan 5, 1:12 AM EST | Severe Thunderstorm Warning | ILN | Franklin | 48 min |
| Jan 5, 1:21 AM EST | Severe Thunderstorm Warning | ILN | Delaware | 69 min |
| Jan 5, 1:21 AM EST | Severe Thunderstorm Warning | ILN | Pickaway | 69 min |
| Jan 5, 1:24 AM EST | Severe Thunderstorm Warning | ILN | Adams | 66 min |
| Jan 5, 1:29 AM EST | Severe Thunderstorm Warning | ILN | Pike, Ross | 61 min |
| Jan 5, 1:47 AM EST | Severe Thunderstorm Warning | ILN | Scioto | 58 min |
| Jan 5, 1:47 AM EST | Severe Thunderstorm Warning | ILN | Fairfield, Hocking | 58 min |
| Jan 5, 1:47 AM EST | Severe Thunderstorm Warning | ILN | Licking | 58 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.