Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 95, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jul 2, 2000, 5:20 PM CDT for Crawford County, Wisconsin; Allamakee County, Iowa. It was in force for 55 min. 3 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 2, 2000, 5:20 PM CDT (22:20 UTC)
- Expired
- Jul 2, 2000, 6:15 PM CDT
- In force
- 55 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Allamakee County, IA, Crawford County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 2, 5:40 PM CDT | Hail 0.75 | Rossville, IA | |
| Jul 2, 5:43 PM CDT | Hail 0.75 | Harpers Ferry, IA | |
| Jul 2, 5:45 PM CDT | Hail 0.75 | Harpers Ferry, IA |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 2, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 10.3 hours before the alert went out and 194 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
- 1145 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 890 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
436 WUUS53 KARX 022221 SVRLSE IAC005-WIC023-022315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 520 PM CDT SUN JUL 2 2000 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ALLAMAKEE COUNTY IN NORTHEAST IOWA CRAWFORD COUNTY IN SOUTHWEST WISCONSIN * UNTIL 615 PM CDT * AT 520 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR ROSSVILE OR 9 MILES SOUTHEAST OF WAUKON...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM IS EXPECTED TO BE... NEAR HARPERS FERRY AT 545 PM CDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND GUSTS 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. NELSON LAT...LON 4341 9157 4309 9152 4309 9081 4342 9067
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 4:39 PM CDT | Severe Thunderstorm Warning | ARX | Monroe | 66 min |
| Jul 2, 3:18 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Mitchell | 57 min |
| Jul 2, 3:51 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 54 min |
| Jul 2, 4:05 PM CDT | Tornado Warning | ARX | Allamakee, Winneshiek | 55 min |
| Jul 2, 4:11 PM CDT | Severe Thunderstorm Warning | ARX | Floyd | 64 min |
| Jul 2, 4:45 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw | 60 min |
| Jul 2, 5:00 PM CDT | Flash Flood Warning | ARX | Chickasaw | 3 hr |
| Jul 2, 5:08 PM CDT | Flash Flood Warning | ARX | Allamakee | 3 hr |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2000Severe Thunderstorm Warnings in Iowa, 2000Every severe thunderstorm warning in 2000
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.