Alert archive / Ohio / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 552
The Storm Prediction Center issued this severe thunderstorm watch at Jul 29, 2002, 4:30 PM EDT for 5 counties in Indiana; Boone County, Campbell County, Kenton County, Kentucky; 54 counties in Ohio. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 29, 2002, 4:30 PM EDT (20:30 UTC)
- Expired
- Jul 29, 2002, 10:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 62 counties
Dearborn County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Union County, IN, Boone County, KY, Campbell County, KY, Kenton County, KY, Adams County, OH, Allen County, OH, Ashland County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Geauga County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Highland County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Lake County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Lucas County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Ottawa County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Summit County, OH, Union County, OH, Warren County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH
The radar
The Cincinnati radar (KILN), 66 km from the middle of the area, began a volume at 20:32 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.
Warnings issued inside it
33 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 4:53 PM EDT | Severe Thunderstorm Warning | IWX | Allen, Putnam, Van Wert | 67 min |
| Jul 29, 5:08 PM EDT | Severe Thunderstorm Warning | ILN | Darke | 37 min |
| Jul 29, 5:09 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Shelby | 51 min |
| Jul 29, 5:24 PM EDT | Severe Thunderstorm Warning | CLE | Hancock | 66 min |
| Jul 29, 5:35 PM EDT | Severe Thunderstorm Warning | ILN | Hardin | 55 min |
| Jul 29, 5:37 PM EDT | Severe Thunderstorm Warning | CLE | Wood | 38 min |
| Jul 29, 5:41 PM EDT | Severe Thunderstorm Warning | ILN | Union | 49 min |
| Jul 29, 5:50 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Logan | 40 min |
| Jul 29, 5:55 PM EDT | Severe Thunderstorm Warning | ILN | Butler, Hamilton | 65 min |
| Jul 29, 5:57 PM EDT | Severe Thunderstorm Warning | CLE | Sandusky, Seneca | 48 min |
| Jul 29, 6:02 PM EDT | Severe Thunderstorm Warning | ILN | Montgomery | 43 min |
| Jul 29, 6:03 PM EDT | Severe Thunderstorm Warning | CLE | Marion, Wyandot | 57 min |
| Jul 29, 6:11 PM EDT | Severe Thunderstorm Warning | ILN | Ohio, Switzerland | 64 min |
| Jul 29, 6:23 PM EDT | Severe Thunderstorm Warning | ILN | Warren | 52 min |
| Jul 29, 6:24 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 36 min |
| Jul 29, 6:27 PM EDT | Severe Thunderstorm Warning | ILN | Union | 48 min |
| Jul 29, 6:32 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Huron | 43 min |
| Jul 29, 6:37 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Greene | 53 min |
| Jul 29, 6:38 PM EDT | Severe Thunderstorm Warning | CLE | Morrow | 67 min |
| Jul 29, 6:41 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Richland | 49 min |
| Jul 29, 6:44 PM EDT | Severe Thunderstorm Warning | ILN | Delaware | 61 min |
| Jul 29, 6:48 PM EDT | Severe Thunderstorm Warning | ILN | Campbell, Kenton | 42 min |
| Jul 29, 6:48 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 42 min |
| Jul 29, 6:49 PM EDT | Severe Thunderstorm Warning | ILN | Clinton | 41 min |
| Jul 29, 6:55 PM EDT | Severe Thunderstorm Warning | ILN | Clermont | 50 min |
| Jul 29, 7:02 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Medina | 43 min |
| Jul 29, 7:07 PM EDT | Severe Thunderstorm Warning | CLE | Knox | 53 min |
| Jul 29, 7:11 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Madison | 64 min |
| Jul 29, 7:17 PM EDT | Severe Thunderstorm Warning | CLE | Wayne | 58 min |
| Jul 29, 7:17 PM EDT | Severe Thunderstorm Warning | ILN | Brown, Highland | 73 min |
| Jul 29, 7:39 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga, Geauga, Lake | 51 min |
| Jul 29, 7:40 PM EDT | Severe Thunderstorm Warning | ILN | Licking | 65 min |
| Jul 29, 8:06 PM EDT | Severe Thunderstorm Warning | CLE | Holmes | 39 min |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.5 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
- 747 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 292031 SEL2 SPC WW 292030 INZ000-KYZ000-OHZ000-LEZ000-300200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 552 STORM PREDICTION CENTER NORMAN OK 430 PM EDT MON JUL 29 2002 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHEAST INDIANA EXTREME NORTH CENTRAL KENTUCKY MUCH OF WESTERN AND NORTHERN OHIO SOUTHERN LAKE ERIE EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 430 PM UNTIL 1000 PM EDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTH SOUTHEAST OF CINCINNATI OHIO TO 35 MILES NORTHWEST OF CLEVELAND OHIO. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION... CONTINUE...WW 550...WW 551... DISCUSSION...LINE OF SEVERE THUNDERSTORMS OVER INDIANA IS EXPECTED TO SWEEP EASTWARD ACROSS OHIO THROUGH THE EVENING HOURS. EMBEDDED BOW ECHOES IN THE LINE WILL POSE THREAT OF DAMAGING WINDS...WHILE ISOLATED INTENSE STORMS AHEAD OF LINE COULD PRODUCE LARGE HAIL. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 26040. ...HART 384,0853 414,0834 414,0805 384,0825
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 1:20 PM EDT | Severe Thunderstorm Watch | SPC | Bartholomew, Boone, Brown, Clay, Clinton, Daviess and 35 more | 6 hr |
| Jul 29, 1:40 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Carroll, Cass, DeKalb, Elkhart and 15 more | 5 hr |
| Jul 29, 7:10 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Belmont, Carroll, Columbiana, Guernsey, Harrison and 15 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Ohio, 2002Severe Thunderstorm Watches in Indiana, 2002Severe Thunderstorm Watches in Kentucky, 2002Every severe thunderstorm watch in 2002
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.