Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 40, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Jul 4, 2003, 4:22 AM CDT for Jackson County, Monroe County, Wisconsin. It was in force for 68 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 4, 2003, 4:22 AM CDT (09:22 UTC)
- Expired
- Jul 4, 2003, 5:30 AM CDT
- In force
- 68 min
- Issued by
- NWS La Crosse, WI
- Area
- Counties, with a storm outline in the text
Counties Jackson County, WI, Monroe County, WI
The radar
The La Crosse radar (KARX), 51 km from the middle of the area, began a volume at 09:25 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 |
|---|---|---|---|
| Jul 4, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 9.4 hours before the alert went out and 215 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
- 1555 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1449 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
564 WUUS53 KARX 040922 SVRARX WIC053-081-041030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 422 AM CDT FRI JUL 4 2003 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JACKSON COUNTY IN WEST CENTRAL WISCONSIN MONROE COUNTY IN WEST CENTRAL WISCONSIN * UNTIL 530 AM CDT * AT 422 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED A LINE OF SEVERE THUNDERSTORMS FROM 5 MILES SOUTHWEST OF MONDOVI TO 11 MILES SOUTHEAST OF VIROQUA...MOVING EAST AT 45 MPH. * THE SEVERE THUNDERSTORMS ARE EXPECTED TO BE... NEAR MELVINA AT 435 AM CDT... NEAR ST MARYS...AND SPARTA AT 440 AM CDT... NEAR NORWALK...AND DISCO AT 445 AM CDT... NEAR WILTON...AND RIDGEVILLE AT 450 AM CDT... NEAR I 94 EXIT 98...AND BLACK RIVER FALLS AIRFIELD AT 455 AM 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. LAT...LON 4448 9114 4375 9078 4375 9036 4438 9042 $$ KRC
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 3:53 AM CDT | Severe Thunderstorm Warning | ARX | Buffalo, La Crosse, Trempealeau | 67 min |
| Jul 4, 4:02 AM CDT | Severe Thunderstorm Warning | ARX | Vernon | 43 min |
| Jul 4, 4:38 AM CDT | Severe Thunderstorm Warning | ARX | Richland | 37 min |
| Jul 4, 4:49 AM CDT | Severe Thunderstorm Warning | ARX | Juneau | 56 min |
| Jul 4, 5:09 AM CDT | Severe Thunderstorm Warning | ARX | Adams | 66 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2003Every severe thunderstorm warning in 2003
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.