Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 16, NWS La Crosse, WI
NWS La Crosse, WI issued this severe thunderstorm warning at Mar 30, 1998, 6:36 PM CST for Grant County, Wisconsin. It was in force for 34 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
- Mar 30, 1998, 6:36 PM CST (00:36 UTC)
- Expired
- Mar 30, 1998, 7:10 PM CST
- In force
- 34 min
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Grant County, WI
The radar
The La Crosse radar (KARX), 113 km from the middle of the area, began a volume at 00:39 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 30, 6:42 PM CST | Hail 0.75 | Livingston, 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 30, 2:45 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.6 hours before the alert went out and 140 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
- -57 J/kg
- Mixed-layer LCL
- 1587 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
412
WUUS1 KLSE 310037 RRA
SVRLSE
WIC043-310110-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
636 PM CST MON MAR 30 1998
* SEVERE THUNDERSTORM WARNING FOR
EASTERN GRANT COUNTY - SOUTHWESTERN WISCONSIN
* UNTIL 710 PM CST
* SOME LOCATIONS AFFECTED
LANCASTER
STITZER
FENNIMORE
* AT 635 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM 25 MILES NORTH OF DUBUQUE...JUST EAST OF
LANCASTER. THE STORM WAS MOVING NORTHEAST AT 40 MPH.
* THE STORM WILL BE WILL NE NEAR LIVINGSTON BY 645 PM.
THIS STORM WILL CONTAIN LARGE HAIL AND DAMAGING WIND. DO NOT GO
OUTDOORS.
KRC/SHEAWhat 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.
NWS La Crosse, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 30, 1:43 PM CST, 4 hours 53 minutes earlier.
Area forecast discussion, Mar 30, 1:43 PM CST, 4 hours 53 minutes before
AREA FORECAST DISSCUSSION NATIONAL WEATHER SERVICE LA CROSSE WI 143 PM CST MON MAR 30 1998 FORECAST CONCERN FOR TONIGHT IS HEAVY RAIN POTENTIAL WITH FRONT STRETCHED ACROSS AREA AND INCREASING DYNAMICS TO DEAL WITH. RAIN THREAT OVER THE NEXT 48 HOURS CERTAINLY A CONCERN AND MAY BRING MORE PROBLEMS TO AREA RIVERS. AS MENTIONED...SURFACE FRONT AT 18Z EXTENDS FROM CENTRAL WISCONSIN INTO NORTHEAST IOWA. GOOD CONVERGENCE ALONG FRONT AS -SHRA CONTINUE TO INCREASE IN COVERAGE...ESPECIALLY UPSTREAM. STRONGER CELLS NOW POPPING OVER EASTERN IOWA STILL IN LINE FOR POSSIBLE EVENING SEVERE WEATHER INTO SOUTHWEST WISCONSIN BUT WILL CONTINUE TO MONITOR. UPPER LEVEL POSITIVELY TILTED TROUGH ALREADY EJECTING OUT OF SOUTH- WEST AND AS IT MOVES INTO CENTRAL PLAINS TONIGHT...FLOW TO BECOME MORE SOUTHERLY. MODELS IN GOOD AGREEMENT WITH THIS AND MAY LEAD TO FRONT ACTUALLY PUSHING BACK NORTH GRADUALLY. IN ANY EVENT...FORCING WILL INCREASE ALONG BAROCLINIC ZONE. CATEGORICAL POPS IN ORDER WITH WIDESPREAD CONVECTION EXPECTED AND TEMPERATURES REMAINING FAIRLY STEADY. HAVE BEEN THINKING ABOUT FLOOD WATCH WITH PAST RAINFALL ADDED TO EXPECTED RAIN. PERHAPS OUTLOOKS MAY BE BEST TO STRESS THREAT. SHE^A
In the hours before
Special weather statement, Mar 30, 4:53 PM CST, 1 hour 43 minutes before
IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-310125- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 453 PM CST MON MAR 30 1998 ...MORE HEAVY RAINS TO HIT REGION OVER THE NEXT 48 HOURS... A POTENT EARLY SPRING STORM WILL BRING PERIODS OF SHOWERS AND THUNDERSTORMS TO SOUTHEAST MINNESOTA...NORTHEAST IOWA AND WESTERN WISCONSIN TONIGHT INTO WEDNESDAY. BESIDES THE SEVERE WEATHER THREAT...HEAVY RAIN WILL BE FALLING IN AREAS THAT HAVE ALREADY RECEIVED ABUNDANT RAINFALL OVER THE PAST WEEK. MANY AREA RIVERS ARE RISING RELATIVELY QUICKLY AND FORECAST TO REACH OR APPROACH FLOOD STAGE DURING THIS WEEK. OBVIOUSLY THIS WEATHER FORECAST WILL NOT MAKE MATTERS BETTER. THE NATIONAL WEATHER SERVICE URGES PEOPLE WHO NORMALLY HAVE TROUBLE WITH HIGH WATER OR HAVE PROPERTY ALONG AREA RIVERS TO PAY CLOSE ATTENTION TO RIVER FORECASTS AND POSSIBLE WARNINGS THIS WEEK. RIVER CREST INFORMATION IS AVAILABLE FOR MANY LOCATIONS NOW AND WILL BE UPDATED AT LEAST DAILY. YOU CAN OBTAIN RIVER INFORMATION BY LISTENING TO NOAA WEATHER RADIO OR BY CHECKING OUR HOMEPAGE AT WWW.CRH.NOAA.GOV/ARX. SHEA
Special weather statement, Mar 30, 4:53 PM CST, 1 hour 43 minutes before
IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029- 032>034-041>044-053>055-061-310125- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 453 PM CST MON MAR 30 1998 ...MORE HEAVY RAINS TO HIT REGION OVER THE NEXT 48 HOURS... A POTENT EARLY SPRING STORM WILL BRING PERIODS OF SHOWERS AND THUNDERSTORMS TO SOUTHEAST MINNESOTA...NORTHEAST IOWA AND WESTERN WISCONSIN TONIGHT INTO WEDNESDAY. BESIDES THE SEVERE WEATHER THREAT...HEAVY RAIN WILL BE FALLING IN AREAS THAT HAVE ALREADY RECEIVED ABUNDANT RAINFALL OVER THE PAST WEEK. MANY AREA RIVERS ARE RISING RELATIVELY QUICKLY AND FORECAST TO REACH OR APPROACH FLOOD STAGE DURING THIS WEEK. OBVIOUSLY THIS WEATHER FORECAST WILL NOT MAKE MATTERS BETTER. THE NATIONAL WEATHER SERVICE URGES PEOPLE WHO NORMALLY HAVE TROUBLE WITH HIGH WATER OR HAVE PROPERTY ALONG AREA RIVERS TO PAY CLOSE ATTENTION TO RIVER FORECASTS AND POSSIBLE WARNINGS THIS WEEK. RIVER CREST INFORMATION IS AVAILABLE FOR MANY LOCATIONS NOW AND WILL BE UPDATED AT LEAST DAILY. YOU CAN OBTAIN RIVER INFORMATION BY LISTENING TO NOAA WEATHER RADIO OR BY CHECKING OUR HOMEPAGE AT WWW.CRH.NOAA.GOV/ARX. SHEA
Special weather statement, Mar 30, 5:42 PM CST, 54 minutes before
IAZ011-029-030-WIZ043-044-054-055-061-310035- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 542 PM CST MON MAR 30 1998 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9PM... THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE FROM CENTRAL WISCONSIN SOUTHWEST THROUGH THE PRAIRIE DU CHIEN AREA TO EAST OF WATERLOO. THESE STORMS HAVE A HISTORY OF PRODUCING HAIL 1/2 INCH IN DIAMETER OR SMALLER AND TORRENTIAL RAIN. AS THESE STORMS TRACK NORTHEAST...THEY HAVE BEEN MOVING OVER THE SAME AREAS SINCE 3PM. RADAR ESTIMATES OF 1 TO 1.5 INCHES OF RAIN ARE STRETCHED ACROSS SOUTHERN CRAWFORD COUNTY IN SOUTHWEST WISCONSIN. BESIDES THE SEVERE WEATHER POTENTIAL...BE ALERT FOR FLASH FLOODING OR MUDSLIDES. IF FLASH FLOODING IS OBSERVED...MOVE TO HIGHER GROUND. SHEA
Special weather statement, Mar 30, 5:42 PM CST, 54 minutes before
IAZ011-029-030-WIZ043-044-054-055-061-310035- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 542 PM CST MON MAR 30 1998 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9PM... THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUE FROM CENTRAL WISCONSIN SOUTHWEST THROUGH THE PRAIRIE DU CHIEN AREA TO EAST OF WATERLOO. THESE STORMS HAVE A HISTORY OF PRODUCING HAIL 1/2 INCH IN DIAMETER OR SMALLER AND TORRENTIAL RAIN. AS THESE STORMS TRACK NORTHEAST...THEY HAVE BEEN MOVING OVER THE SAME AREAS SINCE 3PM. RADAR ESTIMATES OF 1 TO 1.5 INCHES OF RAIN ARE STRETCHED ACROSS SOUTHERN CRAWFORD COUNTY IN SOUTHWEST WISCONSIN. BESIDES THE SEVERE WEATHER POTENTIAL...BE ALERT FOR FLASH FLOODING OR MUDSLIDES. IF FLASH FLOODING IS OBSERVED...MOVE TO HIGHER GROUND. SHEA
Special weather statement, Mar 30, 6:14 PM CST, 22 minutes before
IAZ011-029-030-310115-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
614 PM CST MON MAR 30 1998
PARTS OF SEVERE THUNDERSTORM WATCH NUMBER 141 HAVE BEEN DROPPED IN
NORTHEAST IOWA. THE FOLLOWING COUNTIES ARE NO LONGER UNDER A
WATCH...
CLAYTON FAYETTE ALLAMAKEE
PERIODS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE
NIGHT THOUGH.
SHEASpecial weather statement, Mar 30, 6:14 PM CST, 22 minutes before
IAZ011-029-030-310115-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
614 PM CST MON MAR 30 1998
PARTS OF SEVERE THUNDERSTORM WATCH NUMBER 141 HAVE BEEN DROPPED IN
NORTHEAST IOWA. THE FOLLOWING COUNTIES ARE NO LONGER UNDER A
WATCH...
CLAYTON FAYETTE ALLAMAKEE
PERIODS OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE
NIGHT THOUGH.
SHEANearby
Severe Thunderstorm Warnings in Wisconsin, 1998Every severe thunderstorm warning in 1998
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; radar from the NEXRAD Level II archive.