Alert archive / Ohio / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 237, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jun 29, 1998, 3:29 AM EDT for Pickaway County, Ohio. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1998, 3:29 AM EDT (07:29 UTC)
- Expired
- Jun 29, 1998, 4:30 AM EDT
- In force
- 61 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Pickaway County, OH
The radar
The Cincinnati radar (KILN), 73 km from the middle of the area, began a volume at 07:30 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 29, 2:15 AM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.5 hours before the alert went out and 71 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
- 3668 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1100 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.1
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 Jun 29, 2:54 AM EDT, 35 minutes earlier.
Area forecast discussion, Jun 29, 2:54 AM EDT, 35 minutes before
FORECAST COORDINATION MESSAGE NATIONAL WEATHER SERVICE WILMINGTON OH 254 AM EDT MON JUN 29 1998 LINE OF STRONG/SVR TSRA WERE DEVELOPING SLOWLY SEWD ACROSS SRN OH THIS AM. XPCT THAT W-CNTRL OH TO VC CMH MAY SEE SIGNFICANT FLOODING FROM THIS EVENT BY DAYBREAK. STORMS WL PERSIST INTO TODAY WITH SIGNFICANT RAINFALL EXPECTED. WITH HIGH PWS AND THE HISTORY FM THIS SYSTEM...DO NOT WANT TO MESS AROUND. SUGGEST FLASH FLOOD WATCH FOR TODAY FOR AREAS N OF TnHE OH RIVER. SVR TSRA A GOOD BET TODAY SO WL NEED TO MENTION THAT AS WELL. TSRA WL CONTINUE INTO TONIGHT AND TUE. COULD BE SOME ADDITIONAL FLOODING. CVG 87/74/82 ++8 DAY 87/74/80 ++8 CMH 86/74/81 ++8 PMH 88/74/84 7+8 WILKINSON
In the hours before
Special weather statement, Jun 28, 11:00 PM EDT, 4 hours 29 minutes before
OHZ044>046-052>056-064-065-074-290600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 1100 PM EDT SUN JUN 28 1998 ...SEVERE THUNDERSTORM WATCH UNTIL 2 AM EDT FOR PORTIONS OF THE MIAMI VALLEY AND CENTRAL OHIO... A WARM AND HUMID AIRMASS OVER OHIO WAS PROVIDING THE FUEL FOR SEVERE THUNDERSTORM DEVELOPMENT OVER THE MIAMI VALLEY AND CENTRAL OHIO TONIGHT. STRONG TO SEVERE THUNDERSTORMS CONTINUE TO DEVELOP OVER THE MIAMI VALLEY. THESE STORMS WERE TRACKING TO THE SOUTHEAST INTO CENTRAL OHIO. THESE STORMS HAVE A HISTORY OF PRODUCING DAMAGING WINDS AND LARGE HAIL. SOME OF THESE STORMS ARE EXPECTED TO BECOME SEVERE WITH THE MAIN THREAT BEING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WILL ALSO PRODUCE VERY HEAVY RAINFALL. IF FLOODING IS OBSERVED...MOVE TO HIGHER GROUND. SOME TOWNS IN THE SEVERE THUNDERSTORM WATCH INCLUDE...URBANA... SPRINGFIELD...MARYSVILLE...COLUMBUS...CIRCLEVILLE AND NEWARK. STAYED TO TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. RANDALL
Special weather statement, Jun 29, 2:12 AM EDT, 1 hour 17 minutes before
OHZ026-034-035-042>046-051>056-060>065-070>074-077>082-088-291000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 212 AM EDT MON JUN 29 1998 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL 600 AM EDT FOR MUCH OF CENTRAL AND SOUTHERN OHIO... SOME CITIES IN THE NEW WATCH AREA INCLUDE DAYTON...GREENVILLE... COLUMBUS...CINCINNATI...PORTSMOUTH...WILMINGTON AND CHILLICOTHE. AN AREA OF STRONG TO SEVERE THUNDERSTORMS CONTINUES TO DEVELOP SLOWLY SOUTHWARD ACROSS THE WESTERN AND SOUTHWESTERN PARTS OF OHIO. SOME OF THESE STORMS HAVE PRODUCED GOLFBALL SIZE HAIL SINCE MIDNIGHT. THESE STORM WILL CONTINUE TO AFFECT THE SAME AREAS DURING THE OVERNIGHT HOURS AND WILL BUILD SLOWLY SOUTHWARD TOWARD THE OHIO RIVER. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES. WILKINSON
Special weather statement, Jun 29, 2:12 AM EDT, 1 hour 17 minutes before
OHZ026-034-035-042>046-051>056-060>065-070>074-077>082-088-291000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 212 AM EDT MON JUN 29 1998 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL 600 AM EDT FOR MUCH OF CENTRAL AND SOUTHERN OHIO... SOME CITIES IN THE NEW WATCH AREA INCLUDE DAYTON...GREENVILLE... COLUMBUS...CINCINNATI...PORTSMOUTH...WILMINGTON AND CHILLICOTHE. AN AREA OF STRONG TO SEVERE THUNDERSTORMS CONTINUES TO DEVELOP SLOWLY SOUTHWARD ACROSS THE WESTERN AND SOUTHWESTERN PARTS OF OHIO. SOME OF THESE STORMS HAVE PRODUCED GOLFBALL SIZE HAIL SINCE MIDNIGHT. THESE STORM WILL CONTINUE TO AFFECT THE SAME AREAS DURING THE OVERNIGHT HOURS AND WILL BUILD SLOWLY SOUTHWARD TOWARD THE OHIO RIVER. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES. WILKINSON
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 8:02 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 53 min |
| Jun 28, 9:41 PM EDT | Flash Flood Warning | ILN | Licking | 3 hr |
| Jun 28, 10:16 PM EDT | Severe Thunderstorm Warning | ILN | Champaign | 59 min |
| Jun 28, 10:46 PM EDT | Severe Thunderstorm Warning | ILN | Madison | 49 min |
| Jun 28, 11:06 PM EDT | Severe Thunderstorm Warning | ILN | Franklin, Pickaway | 64 min |
| Jun 28, 11:45 PM EDT | Flash Flood Warning | ILN | Franklin, Madison, Pickaway | 2 hr |
| Jun 29, 12:14 AM EDT | Severe Thunderstorm Warning | ILN | Hocking | 61 min |
| Jun 29, 12:25 AM EDT | Flash Flood Warning | ILN | Hocking | 3 hr |
| Jun 29, 1:22 AM EDT | Severe Thunderstorm Warning | ILN | Mercer | 48 min |
| Jun 29, 1:28 AM EDT | Severe Thunderstorm Warning | ILN | Franklin | 47 min |
| Jun 29, 1:37 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize | 48 min |
| Jun 29, 1:49 AM EDT | Severe Thunderstorm Warning | ILN | Pickaway | 41 min |
| Jun 29, 2:16 AM EDT | Flash Flood Warning | ILN | Franklin, Madison, Pickaway | 3 hr |
| Jun 29, 2:27 AM EDT | Severe Thunderstorm Warning | ILN | Pickaway | 63 min |
| Jun 29, 2:56 AM EDT | Flash Flood Warning | ILN | Mercer | 114 min |
| Jun 29, 3:00 AM EDT | Severe Thunderstorm Warning | ILN | Franklin | 60 min |
| Jun 29, 3:19 AM EDT | Flash Flood Warning | ILN | Franklin, Madison, Pickaway, Union | 4 hr |
| Jun 29, 3:17 PM EDT | Severe Thunderstorm Warning | ILN | Madison | 43 min |
| Jun 29, 2:03 PM EDT | Severe Thunderstorm Warning | ILN | Owen | 62 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.