Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 11, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Sep 6, 1990, 6:53 PM CDT for Jackson County, Wisconsin. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Sep 6, 1990, 6:53 PM CDT (23:53 UTC)
- Expired
- Sep 6, 1990, 7:30 PM CDT
- In force
- 37 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Jackson County, WI
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 11.9 hours before the alert went out and 229 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
- 1194 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 1010 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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, Sep 6, 5:51 PM CDT, 1 hour 2 minutes before
WIZ010-014-062345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 550 PM CDT THU SEP 6 1990 ...ISOLATED STRONG THUNDERSTORM WELL NORTH OF LA CROSSE... AS OF 550 PM...AN ISOLATED STRONG THUNDERSTORM PRODUCING HEAVY RAIN AND DANGEROUS LIGHTNING WAS LOCATED 50 MILES NORTH OF LA CROSSE NEAR HUMBIRD. THE STORM WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL AFFECT ALMA CENTER AND MERRILLAN AREAS UP UNTIL ABOUT 620 PM. BOATERS AND CAMPERS ARE ESPECIALLY URGED TO BE ALERT FOR THREATENING WEATHER THIS EVENING. GO INDOORS IF A STORMS AFFECTS YOUR AREA. REMEMBER...LIGHTNING IS A STORMS WORST KILLER. KEEP LISTENING FOR THE LATEST STATEMENTS ON RADIO...TELEVISION...OR WEATHER( RADIO. THOMPSON
Special weather statement, Sep 6, 6:04 PM CDT, 49 minutes before
MNZ018-019-060000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 600 PM CDT THU SEP 6 1990 ...THUNDERSTORMS DEVELOPED RAPIDLY OVER SOUTHEAST MINNESOTA... BETWEEN 5PM AND 6PM CDT THUNDERSTORMS DEVELOPED RAPIDLY OVER SOUTHEAST MINNESOTA. AT 600 PM CDT ONE THUNDERSTORM WAS LOCATED 20 MILES SOUTHEAST OF ROCHESTER NEAR FOUNTAIN...ANOTHER THUNDERSTORM WAS 30 MILES NORTHEAST OF ROCHESTER NEAR MINNESOTA CITY. THE STORMS WILL PRODUCE BRIEF HEAVY RAIN...GUSTY WINDS...AND POSSIBLE SOME SMALL HAIL AS THEY MOVE EAST AT 30 MPH. THE THUNDERSTORMS WILL BE NEAR RUSHFORD...HOUSTON...AND CALEDONIA IN EXTREME SOUTHEAST MINNESOTA BETWEEN 630PM AND 700 PM CDT. SCATTERED SHOWERS AND THUNDERSTORMS WERE ALSO DEVELOPING IN SOUTHCENTRAL MINNESOTA FROM MANKATO TO BLUE EARTH AND WERE ALSO MOVING EAST AT 30 MPH. SHOWERS AND THUNDERSTORMS WILL BE SCATTERED ACROSS SOUTH CENTRAL AND SOUTHEAST MINNESOTA DURING THE EVENING HOURS. SWENSON,
Special weather statement, Sep 6, 6:26 PM CDT, 27 minutes before
WIZ010-014-070030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 625 PM CDT THU SEP 6 1990 ...ISOLATED STRONG THUNDERSTORM NORTHWEST OF LA CROSSE... AS OF 625 PM...AN ISOLATED STRONG THUNDERSTORM PRODUCING HEAVY RAIN AND DANGEROUS LIGHTNING WAS LOCATED 25 MILES NORTHWEST OF LA CROSSE OVER THE MISSISSIPPI RIVER. THE STORM WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL BEGIN TO AFFECT THE CITY OF LA CROSSE AND IMMEDIATE VICINITY BETWEEN 715 AND 730 PM. BOATERS AND CAMPERS ARE ESPECIALLY URGED TO BE ALERT FOR THREATENING WEATHER THIS EVENING AS CONDITIONS ARE RIGHT FOR SCATTERED THUNDERSTORMS TO DEVELOPMENT AT ANY TIME. GO INDOORS IF A STORM AFFECTS YOUR AREA. REMEMBETR...LIGHTNING IS A STORMS WORST KILLER. KEEP LISTENING FOR THE LATEST STATEMENTS ON RADIO...TELEVISION...OR WEATHER RADIO. THOMPSON
Special weather statement, Sep 6, 6:37 PM CDT, 16 minutes before
MNZ019-070030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 630 PM CDT THU SEP 6 1990 ...THUNDERSTORMS DEVELOPED RAPIDLY OVER SOUTHEAST MINNESOTA... AT 630 PM CDT A STRONG THUNDERSTORM WAS LOCATED 35 MILES EAST OF ROCHESTER ALONG THE MISSISSIPPI RIVER BETWEEN WINONA AND MINNESOTA CITY. THIS THUNDERSTORM PRODUCED HEAVY RAIN AND SOME MARBLE SIZE HAIL WHEN IT PASSED THROUGH MINNESOTA CITY AT 620 PM. THE THUNDERSTORM WAS MOVING SOUTHEAST AT 30 MPH TOWARD WINONA AND LA CROSSE. IF YOU ARE IN THE PATH OF THIS THUNDERSTORM BE PREPARED FOR BRIEF HEAVY RAIN...SOME HAIL...DANGEROUS LIGHTNING...AND GUSTY WIND. BOATERS ON THE MISSISSIPPI RIVER BETWEEN WINONA AND LACROSSE SHOULTD SEEK SAFE SHELTER UNTIL THE STORM PASSES. SWENSON
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; the sounding from the Mesonet's radiosonde archive.