Alert archive / Wisconsin / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 538
The Storm Prediction Center issued this severe thunderstorm watch at Jul 27, 2002, 3:20 PM CDT for 4 counties in Michigan; 22 counties in Wisconsin. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 27, 2002, 3:20 PM CDT (20:20 UTC)
- Expired
- Jul 27, 2002, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 26 counties
Dickinson County, MI, Gogebic County, MI, Iron County, MI, Menominee County, MI, Ashland County, WI, Bayfield County, WI, Chippewa County, WI, Clark County, WI, Eau Claire County, WI, Florence County, WI, Forest County, WI, Iron County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Price County, WI, Rusk County, WI, Sawyer County, WI, Shawano County, WI, Taylor County, WI, Vilas County, WI
The radar
The Marquette radar (KMQT), 177 km from the middle of the area, began a volume at 20:23 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
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 3:50 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Sawyer | 55 min |
| Jul 27, 4:15 PM CDT | Severe Thunderstorm Warning | MPX | Rusk | 45 min |
| Jul 27, 4:29 PM CDT | Severe Thunderstorm Warning | DLH | Ashland | 46 min |
| Jul 27, 4:38 PM CDT | Severe Thunderstorm Warning | DLH | Price | 67 min |
| Jul 27, 5:00 PM CDT | Severe Thunderstorm Warning | GRB | Lincoln, Oneida, Vilas | 60 min |
| Jul 27, 5:01 PM CDT | Severe Thunderstorm Warning | DLH | Iron | 44 min |
| Jul 27, 5:24 PM CDT | Severe Thunderstorm Warning | MQT | Gogebic | 81 min |
| Jul 27, 6:00 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Lincoln, Oneida, Vilas | 60 min |
| Jul 27, 6:02 PM CDT | Severe Thunderstorm Warning | MQT | Iron | 73 min |
| Jul 27, 6:13 PM CDT | Severe Thunderstorm Warning | GRB | Florence | 62 min |
| Jul 27, 6:50 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 70 min |
| Jul 27, 7:03 PM CDT | Severe Thunderstorm Warning | MQT | Dickinson | 42 min |
| Jul 27, 7:16 PM CDT | Severe Thunderstorm Warning | MQT | Menominee | 74 min |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.3 hours before the alert went out and 191 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
- 789 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 12:00 PM CDT | Severe Thunderstorm Watch | SPC | Barron, Buffalo, Burnett, Chippewa, Douglas, Dunn and 5 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2002Severe Thunderstorm Watches in Michigan, 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.