Alert archive / Ohio / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 480
The Storm Prediction Center issued this severe thunderstorm watch at Jun 27, 2002, 2:15 PM EDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 27, 2002, 2:15 PM EDT (18:15 UTC)
- Expired
- Jun 27, 2002, 8:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 65 counties
Garrett County, MD, Athens County, OH, Belmont County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Columbiana County, OH, Coshocton County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Guernsey County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jefferson County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Miami County, OH, Monroe County, OH, Montgomery County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Ross County, OH, Shelby County, OH, Stark County, OH, Tuscarawas County, OH, Union County, OH, Vinton County, OH, Warren County, OH, Washington County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Fayette County, PA, Greene County, PA, Indiana County, PA, Jefferson County, PA, Somerset County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Preston County, WV, Tyler County, WV, Wetzel County, WV
The radar
The Cleveland radar (KCLE), 146 km from the middle of the area, began a volume at 18:15 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
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 2:25 PM EDT | Severe Thunderstorm Warning | CLE | Morrow | 65 min |
| Jun 27, 2:33 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton, Tuscarawas | 57 min |
| Jun 27, 2:48 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey | 57 min |
| Jun 27, 3:53 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 67 min |
| Jun 27, 4:01 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Madison | 59 min |
| Jun 27, 4:10 PM EDT | Severe Thunderstorm Warning | ILN | Franklin, Licking | 50 min |
| Jun 27, 4:13 PM EDT | Severe Thunderstorm Warning | ILN | Greene | 62 min |
| Jun 27, 4:20 PM EDT | Severe Thunderstorm Warning | ILN | Pickaway | 40 min |
| Jun 27, 4:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 54 min |
| Jun 27, 4:43 PM EDT | Severe Thunderstorm Warning | ILN | Warren | 47 min |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.3 hours before the alert went out and 159 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
- 1717 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 799 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 5:45 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles and 12 more | 4 hr |
| Jun 27, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Blair, Bradford, Bucks, Cambria, Cameron and 36 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Ohio, 2002Severe Thunderstorm Watches in Pennsylvania, 2002Severe Thunderstorm Watches in West Virginia, 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.