Alert archive / Wisconsin / Flash Flood Warnings in 1994
Flash Flood Warning 1, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Sep 14, 1994, 4:51 AM CDT for Trempealeau County, Wisconsin. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 14, 1994, 4:51 AM CDT (09:51 UTC)
- Expired
- Sep 14, 1994, 8:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Trempealeau County, WI
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 9.9 hours before the alert went out and 188 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
- 334 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- -108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLSE 140951 FFWLSE WIC121-141300- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 451 AM CDT WED SEP 14 1994 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 800 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST CENTRAL WISCONSIN ...TREMPEALEAU COUNTY AT 448 AM...RADAR CONTINUED TO INDICATE MODERATE TO HEAVY RAINFALL OCCURING OVER MUCH OF TREMPEALEAU COUNTY. WATER IS REPORTED TO BE COVERING HIGHWAY 95...AND TAPPEN CREEK IS BEGINING TO CAUSE FLOODING NEAR BLAIR. SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER TREMPEALEAU COUNTY THROUGH 600 AM...AND POSSIBLY LONGER. BE ESPECIALLY CAUTIOUS AT NIGHTZ WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. BRUCE & NNNN
What forecasters said that day
The local office's own words before this flash flood 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 13, 11:09 PM CDT, 5 hours 42 minutes before
MNZ076-077-078-079-140515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 1109 PM CDT TUE SEP 13 1994 ...STRONG THUNDERSTORMS IN SOUTHEAST MINNESOTA... AT 1105 PM...ROCHESTER RADAR INDICATED A LINE OF HEAVY THUNDERSTORMS IN SOUTHEAST MINNESOTA. THE LINE EXTENDED FROM NEW PRAGUE...TO CANNON FALLS...TO RED WING. MOVEMENT WAS TO THE EAST AT 30 MPH. HEAVY RAINS AND FREQUENT LIGHTNING HAVE BEEN COMMON IN THESE STORMS AND WILL CONTINUE TO BE THE MAIN FACTORS. ALSO EXPECT GUSTY WINDS TO ACCOMPANY THESE STORMS. THESE AREAS HAVE HAD COPIOUS AMOUNTS OF RAIN OVER THE PAST COUPLE OF HOURS SO PONDING AND MINOR STREET FLOODING MAY OCCUR...AS WELL AS SWELLING OF SMALL STREAMS. IF IN THE PATH OF THESE STORMS...TAKE SHELTER UNTIL THEY PASS. TEAL
Special weather statement, Sep 14, 12:15 AM CDT, 4 hours 36 minutes before
MNZ076-077-079-086>088-093-140620- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 1215 AM CDT WED SEP 14 1994 ...SHOWERS AND THUNDERSTORMS JUST NORTH OF ROCHESTER... AT 1205AM...THE SOUTHERN EDGE OF SHOWERS AND THUNDERSTORMS IN SOUTHERN MINNESOTA WERE FROM LE SUEUR...FARIBAULT...PLAINVIEW...TO WINONA. THE HEAVIEST BANDS OF RAINFALL WERE IN NORTHERN GOODHUE COUNTY NEAR CANNON FALLS...AND EASTERN WABASHA COUNTY BETWEEN WABASHA AND WEAVER. ALTHOUGH MOVEMENT WAS TO THE EAST AT 30 MPH THERE WAS A NOTICEABLE BUILD UP TO THE SOUTH DURING THE LAST HOUR. FREQUENT LIGHTNING AND COPIOUS AMOUNTS OF RAINFALL WERE THE MAIN CONCERN WITH THESE STORMS. IF YOU ARE IN THE PATH OF THESE STORMS ...TAKE SHELTER UNTIL THEY PASS. JT
Special weather statement, Sep 14, 12:59 AM CDT, 3 hours 52 minutes before
WIZ032>034-041-042-053-054-140800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 100 AM CDT WED SEP 14 1994 ...THUNDERSTORMS CONTINUE AROUND LA CROSSE... AT 1258 AM...THUNDERSTORMS WITH HEAVY RAINS CONTINUED AROUND LA CROSSE. MOST OF THE ACTIVITY WAS TO THE NORTH OF THE CITY BETWEEN ALMA AND HOLMEN ALTHOUGH THE STORMS HAD DECREASED IN INTENSITY OVER THE PAST HOUR. ALL OF THE ACTIVITY WAS MOVING TOWARD THE SOUTHEAST AT 30 MILES AN HOUR. FREQUENT LIGHTNING AND PERIODS OF HEAVY RAIN WILL CONTINUE THROUGH 200 AM. STAY INDOORS WHILE THUNDERSTORMS ARE OCCURRING. IF DRIVING BE ALERT FOR PONDING OF WATER IN LOW PLACES. DO NOT ATTEMPT TO DRIVE THROUGH AREAS WHERE WATER HAS ACCUMULATED. ALBRECHT
Special weather statement, Sep 14, 1:00 AM CDT, 3 hours 51 minutes before
WIZ032>034-041-042-053-054-140800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 100 AM CDT WED SEP 14 1994 ...THUNDERSTORMS CONTINUE AROUND LA CROSSE... AT 1258 AM...THUNDERSTORMS WITH HEAVY RAINS CONTINUED AROUND LA CROSSE. MOST OF THE ACTIVITY WAS TO THE NORTH OF THE CITY BETWEEN ALMA AND HOLMEN ALTHOUGH THE STORMS HAD DECREASED IN INTENSITY OVER THE PAST HOUR. ALL OF THE ACTIVITY WAS MOVING TOWARD THE SOUTHEAST AT 30 MILES AN HOUR. FREQUENT LIGHTNING AND PERIODS OF HEAVY RAIN WILL CONTINUE THROUGH 200 AM. STAY INDOORS WHILE THUNDERSTORMS ARE OCCURRING. IF DRIVING BE ALERT FOR PONDING OF WATER IN LOW PLACES. DO NOT ATTEMPT TO DRIVE THROUGH AREAS WHERE WATER HAS ACCUMULATED. ALBRECHT
Special weather statement, Sep 14, 2:15 AM CDT, 2 hours 36 minutes before
MNZ076-077-079-082-093-096-140820- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER MN 215 AM CDT WED SEP 14 1994 ...SHOWERS AND THUNDERSTORMS CONTINUING ALONG THE MISSISSIPPI RIVER... AT 2AM...SHOWERS AND THUNDERSTORMS CONTINUED TO MOVE ACROSS THE SAME AREA THAT HAS ALREADY RECEIVED HEAVY AMOUNTS OF RAINFALL. THE LEADING EDGE OF THESE STORMS WAS NORTH OF A LINE FROM NORTHERN LE SUEUR COUNTY NEAR NEW PRAGUE...TO CANNON FALLS...TO WABASHA...TO JUST SOUTH OF LA CROSSE WISCONSIN. THE HEAVIEST RAINFALL WAS OCCURRING ALONG THE MISSISSIPPI RIVER VALLEY BETWEEN RED WING AND LAKE CITY. THE VERY HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON LOW-LYING AREAS SUCH AS STREETS. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR RAPIDLY RISING WATER AND BE PREPARED TO MOVE TO A SHELTER IMMEDIATELY. MOVEMENT OF THE RAINFALL WAS TO THE EAST AT 25 TO 30 MPH. AN URBAN AND SMALL STREAMS ADVISORY IS STILL IN EFFECT FOR NORTHERN GOODHUE AND NORTHERN WABASHA COUNTIES OF SOUTHEAST MINNESOTA UNTIL 4AM. JT
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 8:10 PM CDT | Severe Thunderstorm Warning | ARX | Vernon | 35 min |
Nearby
Flash Flood Warnings in Wisconsin, 1994Every flash flood warning in 1994
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.