Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Aug 9, 1990, 5:25 PM CDT for Buffalo County, Wisconsin. It was in force for 50 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 9, 1990, 5:25 PM CDT (22:25 UTC)
- Expired
- Aug 9, 1990, 6:15 PM CDT
- In force
- 50 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Buffalo County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 9, 6:10 PM CDT | Hail 0.75 | Buffalo, WI |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.4 hours before the alert went out and 155 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
- 226 J/kg
- Mixed-layer CIN
- -223 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 9, 4:02 PM CDT, 1 hour 23 minutes before
WIZ010-014-092200- SPECIAL WEATHER STATEMENT AND AREA WEATHER UPDATE NATIONAL WEATHER SERVICE LA CROSSE WI 400 PM CDT THU AUG 9 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR LA CROSSE AND ADJACENT AREAS OF WEST CENTRAL AND SOUTHWEST WISCONSIN... AS OF 400 PM...AN ISOLATED AREA OF THUNDERSTORMS WAS OCCURRING WELL NORTH OF LA CROSSE NEAR EAU CLAIRE. OTHERWISE...NO PRECIPITATION WAS OCCURRING IN THE LA CROSSE TRI-STATE AREA. FOR THOSE PLANNING OUTDOOR ACTIVITIES...THE OUTLOOK THROUGH 6 PM INDICATES A THUNDERSTORM OR TWO IS CERTAINLY POSSIBLE...BUT THE BEST CHANCE FOR STORM DEVELOPMENT WOULD BE IN AREAS TO OUR NORTH. THOMPSON
Special weather statement, Aug 9, 5:05 PM CDT, 20 minutes before
WIZ010-014-092300- SPECIAL WEATHER STATEMENT AND AREA WEATHER UPDATE NATIONAL WEATHER SERVICE LA CROSSE WI 505 PM CDT THU AUG 9 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 9 PM FOR LA CROSSE AND ADJACENT AREAS OF WEST CENTRAL AND SOUTHWEST WISCONSIN... AS OF 500 PM...AN ISOLATED AREA OF THUNDERSTORMS WAS OCCURRING WELL NORTH OF LA CROSSE FROM NEAR MAXVILLE WISCONSIN...60 MILES NORTHWEST OF LA CROSSE...TO AROUND EAU CLAIRE. MOVEMENT WAS SOUTHEAST AT 25 MILES AN HOUR. OTHERWISE...NO PRECIPITATION WAS OCCURRING IN THE LA CROSSE TRI-STATE AREA. THE OUTLOOK THROUGH 7 PM INDICATES A THUNDERSTORM OR TWO WILL OCCUR IN AREAS TO THE NORTH OF LA CROSSE. THESE STORMS WILL CERTAINLY HAVE THE POTENTIAL 9FOR HEAVY RAIN...HAIL...AND HIGH WINDS. BOATERS AND CAMPERS...ESPECIALLY...SHOULD KEEP AN EYE ON THE SKY. LISTEN FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS ON RADIO... TELEVISION...OR WEATHER RADIO. THOMPSON
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 6:17 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 43 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1990Every severe thunderstorm warning in 1990
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.