Alert archive / Wisconsin / Flash Flood Watches in 2016
Flash Flood Watch 3, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood watch at Sep 21, 2016, 2:53 AM CDT for 9 counties in Wisconsin. It was in force for 48 hr.
The area
The counties it named.
The facts
- Issued
- Sep 21, 2016, 2:53 AM CDT (07:53 UTC)
- Expired
- Sep 23, 2016, 3:12 AM CDT
- In force
- 48 hr
- Issued by
- NWS Milwaukee, WI
- Flood severity
- None
Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green Lake County, WI, Iowa County, WI, Marquette County, WI, Sauk County, WI, Sheboygan County, WI
The radar
The Milwaukee radar (KMKX), 76 km from the middle of the area, began a volume at 07:56 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 7.9 hours before the alert went out and 137 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2092 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 332 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
422 WGUS63 KMKX 210753 FFAMKX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 253 AM CDT WED SEP 21 2016 ...MULTIPLE ROUNDS OF THUNDERSTORMS COULD LEAD TO FLOODING... .A MEANDERING FRONTAL BOUNDARY WILL LINGER ACROSS THE AREA THROUGH AT LEAST THURSDAY...POSSIBLY INTO FRIDAY. THIS FRONT WILL BE THE FOCUS FOR MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS OVER THE NEXT FEW DAYS THAT MAY PRODUCE VERY HEAVY RAINFALL AT TIMES. THUNDERSTORMS REPEATEDLY MOVING OVER THE SAME AREA CREATES A SERIOUS THREAT FOR FLASH FLOODING. MANY LOCATIONS COULD SEE 1 TO 2 INCHES OF RAIN OVER THE NEXT COUPLE OF DAYS WITH LOCAL AREAS POSSIBLY PUSHING 3 TO 4 INCHES IF THUNDERSTORMS TRACK ACROSS THE SAME AREA. SOIL CONDITIONS ARE ALREADY WET FROM RECENT RAINFALL. WIZ046-047-051-052-056>058-062-063-211600- /O.NEW.KMKX.FF.A.0003.160921T0753Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- IOWA-DANE- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN... FOND DU LAC...PLYMOUTH...SHEBOYGAN FALLS...HOWARDS GROVE... OOSTBURG...BARABOO...REEDSBURG...PRAIRIE DU SAC...SAUK CITY... PORTAGE...COLUMBUS...LAKE WISCONSIN...LODI...BEAVER DAM... WAUPUN...MAYVILLE...DODGEVILLE...MINERAL POINT...BARNEVELD... MADISON 253 AM CDT WED SEP 21 2016 ...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY EVENING... THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF EAST CENTRAL WISCONSIN... SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL WISCONSIN...FOND DU LAC AND SHEBOYGAN. IN SOUTH CENTRAL WISCONSIN...COLUMBIA...DANE... GREEN LAKE...IOWA...MARQUETTE AND SAUK. IN SOUTHEAST WISCONSIN...DODGE. * THROUGH 7 PM THURSDAY. * MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS EXPECTED TODAY THROUGH THURSDAY...MAINLY NORTH OF A LINE STRETCHING FROM SHEBOYGAN TO JUNEAU TO MADISON TO MINERAL POINT. * 1 TO 2 INCHES OF RAIN ARE EXPECTED WITH LOCALIZED 3 TO 4 INCHES POSSIBLE IF THUNDERSTORMS REPEATEDLY MOVE OVER THE SAME AREA. FLOODING COULD DEVELOP RAPIDLY...ESPECIALLY AREAS ALREADY PRONE TO RAPIDLY RISING WATERS. PARTS OF THE MADISON METRO AREA ARE VERY SENSITIVE TO RAPID RAINFALL...RESULTING IN URBAN FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
10 follow-up statements
490 WGUS63 KMKX 211507 FFAMKX FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1007 AM CDT WED SEP 21 2016 ...MULTIPLE ROUNDS OF THUNDERSTORMS COULD LEAD TO FLOODING... .A MEANDERING FRONTAL BOUNDARY WILL LINGER ACROSS THE AREA THROUGH AT LEAST THURSDAY...POSSIBLY INTO FRIDAY. THIS FRONT WILL BE THE FOCUS FOR MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS OVER THE NEXT FEW DAYS THAT MAY PRODUCE VERY HEAVY RAINFALL AT TIMES. THUNDERSTORMS REPEATEDLY MOVING OVER THE SAME AREA CREATES A SERIOUS THREAT FOR FLASH FLOODING. MANY LOCATIONS COULD SEE 1 TO 2 INCHES OF RAIN OVER THE NEXT COUPLE OF DAYS WITH LOCAL AREAS POSSIBLY PUSHING 3 TO 4 INCHES IF THUNDERSTORMS TRACK ACROSS THE SAME AREA. SOIL CONDITIONS ARE ALREADY WET FROM RECENT RAINFALL. WIZ046-047-051-052-056>058-062-063-212315- /O.CON.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- IOWA-DANE- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN... FOND DU LAC...PLYMOUTH...SHEBOYGAN FALLS...HOWARDS GROVE... OOSTBURG...BARABOO...REEDSBURG...PRAIRIE DU SAC...SAUK CITY... PORTAGE...COLUMBUS...LAKE WISCONSIN...LODI...BEAVER DAM... WAUPUN...MAYVILLE...DODGEVILLE...MINERAL POINT...BARNEVELD... MADISON 1007 AM CDT WED SEP 21 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL WISCONSIN...FOND DU LAC AND SHEBOYGAN. IN SOUTH CENTRAL WISCONSIN...COLUMBIA...DANE...GREEN LAKE...IOWA... MARQUETTE AND SAUK. IN SOUTHEAST WISCONSIN...DODGE. * THROUGH THURSDAY EVENING * MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS EXPECTED TODAY THROUGH THURSDAY...MAINLY NORTH OF A LINE STRETCHING FROM SHEBOYGAN TO JUNEAU TO MADISON TO MINERAL POINT. * 1 TO 2 INCHES OF RAIN ARE EXPECTED WITH LOCALIZED 3 TO 4 INCHES POSSIBLE IF THUNDERSTORMS REPEATEDLY MOVE OVER THE SAME AREA. FLOODING COULD DEVELOP RAPIDLY...ESPECIALLY AREAS ALREADY PRONE TO RAPIDLY RISING WATERS. PARTS OF THE MADISON METRO AREA ARE VERY SENSITIVE TO RAPID RAINFALL...RESULTING IN URBAN FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
987 WGUS63 KMKX 211621 FFAMKX FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1121 AM CDT WED SEP 21 2016 ...MULTIPLE ROUNDS OF THUNDERSTORMS COULD LEAD TO FLOODING... .A MEANDERING FRONTAL BOUNDARY WILL LINGER ACROSS THE AREA THROUGH AT LEAST THURSDAY...POSSIBLY INTO FRIDAY. THIS FRONT WILL BE THE FOCUS FOR MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS OVER THE NEXT FEW DAYS THAT MAY PRODUCE VERY HEAVY RAINFALL AT TIMES. THUNDERSTORMS REPEATEDLY MOVING OVER THE SAME AREA CREATES A SERIOUS THREAT FOR FLASH FLOODING. MANY LOCATIONS SHOULD SEE RAINFALL TOTALS OF 2 TO 3 INCHES OF RAIN THROUGH THURSDAY EVENING OVER THE NEXT COUPLE OF DAYS WITH LOCAL AREAS PUSHING 3 TO 5 INCHES IF THUNDERSTORMS TRACK ACROSS THE SAME AREA. SOIL CONDITIONS ARE ALREADY WET FROM RECENT RAINFALL. WIZ046-047-051-052-056>058-062-063-220030- /O.CON.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- IOWA-DANE- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN... FOND DU LAC...PLYMOUTH...SHEBOYGAN FALLS...HOWARDS GROVE... OOSTBURG...BARABOO...REEDSBURG...PRAIRIE DU SAC...SAUK CITY... PORTAGE...COLUMBUS...LAKE WISCONSIN...LODI...BEAVER DAM... WAUPUN...MAYVILLE...DODGEVILLE...MINERAL POINT...BARNEVELD... MADISON 1121 AM CDT WED SEP 21 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL WISCONSIN...FOND DU LAC AND SHEBOYGAN. IN SOUTH CENTRAL WISCONSIN...COLUMBIA...DANE...GREEN LAKE...IOWA... MARQUETTE AND SAUK. IN SOUTHEAST WISCONSIN...DODGE. * THROUGH THURSDAY EVENING * MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS EXPECTED TODAY THROUGH THURSDAY...MAINLY NORTH OF A LINE STRETCHING FROM SHEBOYGAN TO JUNEAU TO MADISON TO MINERAL POINT. * 1 TO 2 INCHES OF RAIN FELL ACROSS PORTIONS OF THE WATCH AREA THROUGH THIS MORNING. AN ADDITIONAL 1 TO 2 INCHES OF RAIN ARE EXPECTED WITH LOCALIZED 2 TO 4 INCHES POSSIBLE IF THUNDERSTORMS REPEATEDLY MOVE OVER THE SAME AREA. FLOODING COULD DEVELOP RAPIDLY...ESPECIALLY AREAS ALREADY PRONE TO RAPIDLY RISING WATERS. PARTS OF THE MADISON METRO AREA ARE VERY SENSITIVE TO RAPID RAINFALL...RESULTING IN URBAN FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ HENTZ
913 WGUS63 KMKX 212015 FFAMKX FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 315 PM CDT WED SEP 21 2016 ...MULTIPLE ROUNDS OF THUNDERSTORMS COULD LEAD TO FLOODING... .A MEANDERING FRONTAL BOUNDARY WILL LINGER ACROSS THE AREA THROUGH AT LEAST THURSDAY.. THIS FRONT WILL BE THE FOCUS FOR MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS THAT WILL PRODUCE VERY HEAVY RAINFALL AT TIMES. THUNDERSTORMS REPEATEDLY MOVING OVER THE SAME AREA CREATES A SERIOUS THREAT FOR FLASH FLOODING. MANY LOCATIONS SHOULD SEE RAINFALL TOTALS OF 2 TO 3 INCHES OF RAIN THROUGH THURSDAY EVENING OVER THE NEXT COUPLE OF DAYS WITH LOCAL AREAS OF AROUND 5 INCHES IF THUNDERSTORMS TRACK ACROSS THE SAME AREA. SOIL CONDITIONS ARE ALREADY WET FROM RECENT RAINFALL. WIZ046-047-051-052-056>058-062-063-220415- /O.CON.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- IOWA-DANE- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN... FOND DU LAC...PLYMOUTH...SHEBOYGAN FALLS...HOWARDS GROVE... OOSTBURG...BARABOO...REEDSBURG...PRAIRIE DU SAC...SAUK CITY... PORTAGE...COLUMBUS...LAKE WISCONSIN...LODI...BEAVER DAM... WAUPUN...MAYVILLE...DODGEVILLE...MINERAL POINT...BARNEVELD... MADISON 315 PM CDT WED SEP 21 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL WISCONSIN...FOND DU LAC AND SHEBOYGAN. IN SOUTH CENTRAL WISCONSIN...COLUMBIA...DANE...GREEN LAKE...IOWA... MARQUETTE AND SAUK. IN SOUTHEAST WISCONSIN...DODGE. * THROUGH THURSDAY EVENING * MORE ROUNDS OF SHOWERS AND THUNDERSTORMS ARE EXPECTED TONIGHT THROUGH THURSDAY...MAINLY NORTH OF A LINE STRETCHING FROM SHEBOYGAN TO JUNEAU TO MADISON TO MINERAL POINT. * 1 TO 3 INCHES OF RAIN FELL ACROSS PORTIONS OF THE WATCH AREA THROUGH THIS AFTERNOON WITH THE HIGHEST OVER NORTHERN PORTIONS OF SAUK COUNTY. AN ADDITIONAL 1 TO 2 INCHES OF RAIN ARE EXPECTED WITH LOCALIZED 2 TO 3 INCHES POSSIBLE IF THUNDERSTORMS REPEATEDLY MOVE OVER THE SAME AREA. FLOODING COULD DEVELOP RAPIDLY...ESPECIALLY AREAS ALREADY PRONE TO RAPIDLY RISING WATERS. PARTS OF THE MADISON METRO AREA ARE VERY SENSITIVE TO RAPID RAINFALL...RESULTING IN URBAN FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ HENTZ
308 WGUS63 KMKX 220205 FFAMKX FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 905 PM CDT WED SEP 21 2016 ...MULTIPLE ROUNDS OF THUNDERSTORMS COULD LEAD TO FLOODING... .A MEANDERING FRONTAL BOUNDARY WILL LINGER ACROSS CENTRAL WISCONSIN THROUGH AT LEAST THURSDAY. THIS FRONT WILL BE THE FOCUS FOR MULTIPLE ROUNDS OF SHOWERS AND THUNDERSTORMS THAT WILL PRODUCE VERY HEAVY RAINFALL AT TIMES. THUNDERSTORMS REPEATEDLY MOVING OVER THE SAME AREA CREATES A SERIOUS THREAT FOR FLASH FLOODING. MANY LOCATIONS SHOULD SEE RAINFALL TOTALS OF 2 TO 3 INCHES OF RAIN THROUGH THURSDAY EVENING OVER THE NEXT COUPLE OF DAYS WITH LOCAL AREAS OF AROUND 5 INCHES IF THUNDERSTORMS TRACK ACROSS THE SAME AREA. SOIL CONDITIONS ARE ALREADY WET FROM RECENT RAINFALL...INCREASING THE FLOODING POTENTIAL. WIZ046-047-051-052-056>058-062-063-221015- /O.CON.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- IOWA-DANE- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN... FOND DU LAC...PLYMOUTH...SHEBOYGAN FALLS...HOWARDS GROVE... OOSTBURG...BARABOO...REEDSBURG...PRAIRIE DU SAC...SAUK CITY... PORTAGE...COLUMBUS...LAKE WISCONSIN...LODI...BEAVER DAM... WAUPUN...MAYVILLE...DODGEVILLE...MINERAL POINT...BARNEVELD... MADISON 905 PM CDT WED SEP 21 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL WISCONSIN...FOND DU LAC AND SHEBOYGAN. IN SOUTH CENTRAL WISCONSIN...COLUMBIA...DANE...GREEN LAKE...IOWA... MARQUETTE AND SAUK. IN SOUTHEAST WISCONSIN...DODGE. * THROUGH THURSDAY EVENING * MORE ROUNDS OF SHOWERS AND THUNDERSTORMS ARE EXPECTED TONIGHT THROUGH THURSDAY...MAINLY NORTH OF A LINE STRETCHING FROM SHEBOYGAN TO JUNEAU TO MADISON TO MINERAL POINT. * 1 TO 3 INCHES OF RAIN FELL ACROSS PORTIONS OF THE WATCH AREA THROUGH THIS AFTERNOON WITH THE HIGHEST OVER NORTHERN PORTIONS OF SAUK COUNTY. AN ADDITIONAL 1 TO 2 INCHES OF RAIN FELL DURING THE LATE AFTERNOON AND EVENING ACROSS PARTS OF SAUK AND COLUMBIA COUNTIES AS WELL AS PARTS OF MADISON. AN ADDITIONAL 1 TO 3 INCHES IS POSSIBLE TONIGHT INTO THURSDAY IN PARTS OF THE WATCH AREA. THUNDERSTORMS COULD REPEATEDLY AFFECT THE SAME AREA RESULTING IN TORRENTIAL RAINFALL. FLOODING COULD DEVELOP RAPIDLY...ESPECIALLY AREAS ALREADY PRONE TO RAPIDLY RISING WATERS. PARTS OF THE MADISON METRO AREA ARE VERY SENSITIVE TO RAPID RAINFALL...RESULTING IN URBAN FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ MBK
174 WGUS63 KMKX 220824 FFAMKX FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 324 AM CDT THU SEP 22 2016 ...MULTIPLE ROUNDS OF THUNDERSTORMS COULD LEAD TO FLOODING... .SHOWERS AND THUNDERSTORMS NORTH AND WEST OF MADISON SHOULD DIMINISH THIS MORNING. HOWEVER...MORE WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED TONIGHT ACROSS THE FLASH FLOOD WATCH AREA. SIMILAR TO THE PAST FEW DAYS...THE BIGGEST CONCERN IS FOR THE REPEATED DEVELOPMENT OF SHOWERS AND THUNDERSTORMS MOVING OVER THE SAME AREA...FOCUSING COPIOUS RAINFALL AMOUNTS OVER THE SAME AREA. SOME LOCAL AREAS COULD SEE ANOTHER 1 TO 2 INCHES OF RAIN SOIL CONDITIONS ARE ALREADY SATURATED FROM RECENT RAINFALL... INCREASING THE FLOODING POTENTIAL. WIZ052-058-220930- /O.CAN.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SHEBOYGAN-DODGE- INCLUDING THE CITIES OF...PLYMOUTH...SHEBOYGAN FALLS... HOWARDS GROVE...OOSTBURG...BEAVER DAM...WAUPUN...MAYVILLE 324 AM CDT THU SEP 22 2016 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF EAST CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN HAS BEEN CANCELLED. THIS ARE HAS NOT RECEIVED MUCH RAINFALL OVER THE PAST 24 HOURS...THEREFORE THE THREAT FOR FLOODING HAS DIMINISHED CONSIDERABLY. $$ WIZ046-047-051-056-057-062-063-221630- /O.CON.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-FOND DU LAC-SAUK-COLUMBIA-IOWA-DANE- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN... FOND DU LAC...BARABOO...REEDSBURG...PRAIRIE DU SAC...SAUK CITY... PORTAGE...COLUMBUS...LAKE WISCONSIN...LODI...DODGEVILLE... MINERAL POINT...BARNEVELD...MADISON 324 AM CDT THU SEP 22 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF EAST CENTRAL WISCONSIN AND SOUTH CENTRAL WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL WISCONSIN...FOND DU LAC. IN SOUTH CENTRAL WISCONSIN... COLUMBIA...DANE...GREEN LAKE...IOWA...MARQUETTE AND SAUK. * THROUGH THIS EVENING * MORE ROUNDS OF SHOWERS AND THUNDERSTORMS ARE POSSIBLE THROUGH TONIGHT. * TWO TO FOUR INCHES OF RAIN FELL ACROSS PORTIONS OF THE WATCH AREA YESTERDAY AND OVERNIGHT WITH THE HIGHEST OVER NORTHERN PORTIONS OF SAUK COUNTY. AN ADDITIONAL 1 TO 2 INCHES IS POSSIBLE TODAY AND TONIGHT IN PARTS OF THE WATCH AREA. THUNDERSTORMS COULD REPEATEDLY AFFECT THE SAME AREA RESULTING IN TORRENTIAL RAINFALL. FLOODING COULD DEVELOP RAPIDLY...ESPECIALLY AREAS ALREADY PRONE TO RAPIDLY RISING WATERS. PARTS OF THE MADISON METRO AREA ARE VERY SENSITIVE TO RAPID RAINFALL...RESULTING IN URBAN FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
873 WGUS63 KMKX 220846 CCA FFAMKX FLOOD WATCH...CORRECTED NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 346 AM CDT THU SEP 22 2016 ...MULTIPLE ROUNDS OF THUNDERSTORMS COULD LEAD TO FLOODING... .SHOWERS AND THUNDERSTORMS MAINLY NORTH AND WEST OF MADISON SHOULD DIMINISH BY AFTERNOON. MORE SHOWERS WITH CHANCES OF THUNDERSTORMS ARE EXPECTED TONIGHT...BUT RAINFALL AMOUNTS LOOK A BIT LIMITED DUE TO THE LACK OF STRONGER THUNDERSTORMS TONIGHT. THEREFORE THE RISK OF FLASH FLOODING SHOULD END BY EARLY EVENING. SIMILAR TO THE PAST FEW DAYS...THE BIGGEST CONCERN IS FOR THE REPEATED DEVELOPMENT OF SHOWERS AND THUNDERSTORMS MOVING OVER THE SAME AREA...FOCUSING COPIOUS RAINFALL AMOUNTS IN A SMALL AREA. THOSE AREAS COULD SEE ANOTHER 1 INCH OF RAIN SOIL CONDITIONS ARE ALREADY SATURATED FROM RECENT RAINFALL... INCREASING THE FLOODING POTENTIAL. WIZ052-058-221000- /O.CAN.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SHEBOYGAN-DODGE- INCLUDING THE CITIES OF...PLYMOUTH...SHEBOYGAN FALLS... HOWARDS GROVE...OOSTBURG...BEAVER DAM...WAUPUN...MAYVILLE 346 AM CDT THU SEP 22 2016 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF EAST CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN HAS BEEN CANCELLED. THIS ARE HAS NOT RECEIVED MUCH RAINFALL OVER THE PAST 24 HOURS...THEREFORE THE THREAT FOR FLOODING HAS DIMINISHED CONSIDERABLY. $$ WIZ046-047-051-056-057-062-063-222100- /O.COR.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-FOND DU LAC-SAUK-COLUMBIA-IOWA-DANE- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN... FOND DU LAC...BARABOO...REEDSBURG...PRAIRIE DU SAC...SAUK CITY... PORTAGE...COLUMBUS...LAKE WISCONSIN...LODI...DODGEVILLE... MINERAL POINT...BARNEVELD...MADISON 346 AM CDT THU SEP 22 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF EAST CENTRAL WISCONSIN AND SOUTH CENTRAL WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN EAST CENTRAL WISCONSIN...FOND DU LAC. IN SOUTH CENTRAL WISCONSIN... COLUMBIA...DANE...GREEN LAKE...IOWA...MARQUETTE AND SAUK. * THROUGH THIS EVENING * MORE ROUNDS OF SHOWERS AND THUNDERSTORMS ARE POSSIBLE THROUGH TONIGHT. BUT THE BIGGEST THREAT FOR FLOOD PRODUCING RAINFALL IS THROUGH THIS MORNING. * TWO TO FOUR INCHES OF RAIN FELL ACROSS PORTIONS OF THE WATCH AREA YESTERDAY AND OVERNIGHT WITH THE HIGHEST OVER NORTHERN PORTIONS OF SAUK COUNTY. AN ADDITIONAL INCH IS POSSIBLE TODAY IN PARTS OF THE WATCH AREA. THUNDERSTORMS COULD REPEATEDLY AFFECT THE SAME AREA RESULTING IN TORRENTIAL RAINFALL. FLOODING COULD DEVELOP RAPIDLY...ESPECIALLY AREAS ALREADY PRONE TO RAPIDLY RISING WATERS. PARTS OF THE MADISON METRO AREA ARE VERY SENSITIVE TO RAPID RAINFALL...RESULTING IN URBAN FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
620 WGUS63 KMKX 221053 FFAMKX FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 553 AM CDT THU SEP 22 2016 ...MULTIPLE ROUNDS OF THUNDERSTORMS COULD LEAD TO FLOODING... .THERE IS A LINGERING RISK OF SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN NORTH AND WEST OF MADISON TODAY. SHOWERS WITH CHANCES OF THUNDERSTORMS SHOULD CONTINUE TONIGHT...BUT RAINFALL AMOUNTS LOOK MUCH MORE LIMITED DUE TO THE LACK OF STRONGER THUNDERSTORMS TONIGHT. THEREFORE THE RISK OF FLASH FLOODING SHOULD END BY EARLY EVENING. SIMILAR TO THE PAST FEW DAYS...THE BIGGEST CONCERN IS FOR THE REPEATED DEVELOPMENT OF SHOWERS AND THUNDERSTORMS MOVING OVER THE SAME AREA...FOCUSING COPIOUS RAINFALL AMOUNTS IN A SMALL AREA. THOSE AREAS COULD SEE ANOTHER 1 INCH OF RAIN SOIL CONDITIONS ARE ALREADY SATURATED FROM RECENT RAINFALL... INCREASING THE FLOODING POTENTIAL. WIZ051-063-221200- /O.CAN.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ FOND DU LAC-DANE- INCLUDING THE CITIES OF...FOND DU LAC...MADISON 553 AM CDT THU SEP 22 2016 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF EAST CENTRAL WISCONSIN AND SOUTH CENTRAL WISCONSIN HAS BEEN CANCELLED. ALTHOUGH THERE IS STILL A CHANCE OF SHOWERS AND THUNDERSTORMS...RAINFALL AMOUNTS ARE LOOKING LIMITED ACROSS DANE AND FOND DU LAC COUNTIES. THEREFORE THE RISK OF FLASH FLOODING HAS ENDED. $$ WIZ046-047-056-057-062-221900- /O.CON.KMKX.FF.A.0003.000000T0000Z-160923T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-IOWA- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN...BARABOO... REEDSBURG...PRAIRIE DU SAC...SAUK CITY...PORTAGE...COLUMBUS... LAKE WISCONSIN...LODI...DODGEVILLE...MINERAL POINT...BARNEVELD 553 AM CDT THU SEP 22 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF SOUTH CENTRAL WISCONSIN...INCLUDING THE FOLLOWING AREAS...COLUMBIA...GREEN LAKE...IOWA...MARQUETTE AND SAUK. * THROUGH EARLY THIS EVENING * MORE ROUNDS OF SHOWERS AND THUNDERSTORMS ARE POSSIBLE THROUGH TONIGHT. BUT THE BIGGEST THREAT FOR FLOOD PRODUCING RAINFALL IS THROUGH THIS MORNING. * TWO TO FOUR INCHES OF RAIN FELL ACROSS PORTIONS OF THE WATCH AREA YESTERDAY AND OVERNIGHT WITH THE HIGHEST OVER NORTHERN PORTIONS OF SAUK COUNTY. AN ADDITIONAL INCH IS POSSIBLE TODAY IN PARTS OF THE WATCH AREA. THUNDERSTORMS COULD REPEATEDLY AFFECT THE SAME AREA RESULTING IN TORRENTIAL RAINFALL. FLOODING COULD DEVELOP RAPIDLY...ESPECIALLY AREAS ALREADY PRONE TO RAPIDLY RISING WATERS. PARTS OF THE MADISON METRO AREA ARE VERY SENSITIVE TO RAPID RAINFALL...RESULTING IN URBAN FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
085 WGUS63 KMKX 221933 FFAMKX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 233 PM CDT THU SEP 22 2016 ...ADDITIONAL RAINFALL WOULD LEAD TO FURTHER FLOODING PROBLEMS... .THERE IS A LINGERING RISK OF SHOWERS AND THUNDERSTORMS THROUGH FRIDAY MORNING. RAINFALL AMOUNTS LOOK MORE LIMITED TONIGHT DUE TO THE LACK OF STRONGER THUNDERSTORMS. SOIL CONDITIONS ARE ALREADY SATURATED FROM RECENT RAINFALL... SO IT WILL NOT TAKE MUCH MORE RAIN TO AGGRAVATE THE SITUATION. WIZ046-047-056-057-062-230345- /O.EXT.KMKX.FF.A.0003.000000T0000Z-160923T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-IOWA- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN...BARABOO... REEDSBURG...PRAIRIE DU SAC...SAUK CITY...PORTAGE...COLUMBUS... LAKE WISCONSIN...LODI...DODGEVILLE...MINERAL POINT...BARNEVELD 233 PM CDT THU SEP 22 2016 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH FRIDAY AFTERNOON... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * A PORTION OF SOUTH CENTRAL WISCONSIN...INCLUDING THE FOLLOWING AREAS...COLUMBIA...GREEN LAKE...IOWA...MARQUETTE AND SAUK. * THROUGH EARLY FRIDAY AFTERNOON * MORE RAIN IS POSSIBLE TONIGHT BUT THERE IS UNCERTAINTY ON WHERE THE HEAVIEST PRECIPITATION WILL SET UP. IT MAY END UP STAYING SOUTH OF THE WATCH AREA. HOWEVER ANY ADDITIONAL RAINFALL WILL LIKELY LEAD TO FURTHER PROBLEMS IN AREAS THAT HAVE ALREADY SEEN EXCESSIVE RAINFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
382 WGUS63 KMKX 230131 FFAMKX FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 831 PM CDT THU SEP 22 2016 ...STILL A CHANCE FOR ADDITIONAL HEAVY RAINFALL IN SOME AREAS... .THERE REMAINS A LINGERING RISK OF SHOWERS AND THUNDERSTORMS THROUGH FRIDAY MORNING OVER SOUTH CENTRAL WISCONSIN. EXPECTED RAINFALL AMOUNTS WILL BE MORE LIMITED DUE TO THE LACK OF STRONGER THUNDERSTORMS. HOWEVER...SOIL CONDITIONS ARE SATURATED FROM THE HEAVY RAINFALL ON TUESDAY AND WEDNESDAY...SO IT WILL NOT TAKE MUCH MORE RAIN TO AGGRAVATE THE SITUATION AND CAUSE MORE FLOODING. THE FLASH FLOOD WATCH WILL REMAIN IN EFFECT FOR SAUK AND IOWA COUNTIES BUT WILL BE CANCELLED FOR COLUMBIA AND COUNTIES FARTHER NORTH AS THE HEAVIER RAIN CHANCES LOOK TO REMAIN FARTHER SOUTH. WIZ046-047-057-230245- /O.CAN.KMKX.FF.A.0003.000000T0000Z-160923T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARQUETTE-GREEN LAKE-COLUMBIA- INCLUDING THE CITIES OF...MONTELLO...WESTFIELD...OXFORD... NESHKORO...ENDEAVOR...BERLIN...PRINCETON...MARKESAN...PORTAGE... COLUMBUS...LAKE WISCONSIN...LODI 831 PM CDT THU SEP 22 2016 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR A PORTION OF SOUTH CENTRAL WISCONSIN HAS BEEN CANCELLED. THE THREAT FOR FLOODING RAINS HAS DIMINISHED AND WILL REMAIN FARTHER SOUTH. $$ WIZ056-062-230945- /O.CON.KMKX.FF.A.0003.000000T0000Z-160923T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAUK-IOWA- INCLUDING THE CITIES OF...BARABOO...REEDSBURG...PRAIRIE DU SAC... SAUK CITY...DODGEVILLE...MINERAL POINT...BARNEVELD 831 PM CDT THU SEP 22 2016 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * SAUK AND IOWA COUNTIES. * THROUGH FRIDAY AFTERNOON * MORE SHOWERS AND A FEW THUNDERSTORMS ARE POSSIBLE TONIGHT. THERE IS STILL A CHANCE A FEW OF THE STORMS COULD PRODUCE HEAVY RAINFALL RESULTING IN FLOODING. * URBAN AND RURAL FLOODING WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ MBK
702 WGUS63 KMKX 230812 FFAMKX FLOOD WATCH NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 312 AM CDT FRI SEP 23 2016 WIZ056-062-230915- /O.CAN.KMKX.FF.A.0003.000000T0000Z-160923T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAUK-IOWA- INCLUDING THE CITIES OF...BARABOO...REEDSBURG...PRAIRIE DU SAC... SAUK CITY...DODGEVILLE...MINERAL POINT...BARNEVELD 312 AM CDT FRI SEP 23 2016 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR A PORTION OF SOUTH CENTRAL WISCONSIN HAS BEEN CANCELLED. THE HEAVIEST RAINFALL HAS BEEN CONFINED TO AREAS SOUTHWEST OF THE WATCH. WHILE ADDITIONAL SCATTERED LIGHT SHOWERS ARE POSSIBLE TODAY INTO TONIGHT, THE RISK FOR HEAVY RAINFALL HAS ENDED. AS A RESULT, THE FLASH FLOOD WATCH HAS BEEN CANCELLED. $$
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Milwaukee, WI wrote its last area forecast discussion before this flash flood watch went out at Sep 20, 8:45 PM CDT, 6 hours 8 minutes earlier.
Area forecast discussion, Sep 20, 8:45 PM CDT, 6 hours 8 minutes before
Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 845 PM CDT TUE SEP 20 2016 .UPDATE...A few storms firing to the north along tightening baroclinic zone and increasing low level frontogenesis. A few of these may brush far north later this evening. Still expect main show to occur from 07z-12z tonight as increasing low level jet pivots eastward into the tri-state area and weakens slightly. Expect convection to begin firing in the next 1-3 hours upstream over southern MN where low level moisture convergence increasing. Pivoting low level jet and strong surge of low level theta-e advection and moisture should carry the convection into central and srn wi later tonight. Will continue high chance to categorical pops across CWA from east to west. Expect initial surge of late night convection to progress southeast but redevelopment farther west and slowing of Corfidi Vectors may result in some heavy rainfall in the west late. Wl need to see what happens with the first round of convection before considering posting Flash Flood Watch. && .AVIATION/06Z TAFS/...Still expect scattered to numerous thunderstorms to affect southern WI and taf sites later tonight into Wednesday morning. Cigs expected to briefly drop to around 1k feet in some spots later tonight. && .MARINE...Mariners will need to keep an eye on scattered thunderstorms expected to affect the near shore waters later tonight into Wednesday morning. Gusty winds and small hail may accompany a stronger storm. Otherwise, mostly southeast winds are expected the next several days, with variable winds around tstorms. && .PREV DISCUSSION... /Issued 332 PM CDT TUE SEP 20 2016/ SHORT TERM... TONIGHT - Confidence...Medium Influence of surface high to persist into the evening hours. Then attention will focus to MCS potential later in the night, especially after 06z. The meso scale models are coming into a little better agreement on MCS reaching our northwest CWA 06-09z and then into the southeast CWA roughly 09-12z. The LLJ will be leaning into the area and there is an appreciable amount of moisture advection progged. So the idea that this MCS may sustain itself throughout southern WI, has plausibility. The greatest severe potential appears to be in our northwest late where HRRR has proggd elevated CAPE values over 2k j/kg. So the eastward nudging of the Slight Risk outline into our northwest CWA makes sense. WEDNESDAY - Confidence...Medium Initial MCS or remnants of expected to exit the southeast corner of the CWA early in the morning. Meso progs already lighting up the area back to the west vcnty Miss Rvr Vly associated with sustained LLJ impinging on that area. 850 baroclinic ribbon progged to be situated close enough to CWA to keep some chances going all day. Seeing indications of upper divergence aiding the vertical motion field. Primary west/east jet stream is pretty far north though so not a classic signature. With 925 temps into the lower 20s celsius any breaks will allow temps to reach the 80s, but cloud cover/precip trends will certainly have a say on temp trends. Wednesday night through Friday...Forecast confidence medium. Scattered tstorms will likely be ongoing over central WI Wed afternoon and evening due to persistent thetae advection. MLCAPEs may build to 2000 J/KG by late Wed afternoon in the warm sector over srn WI. A vorticity maximum will be moving across central WI at the time with a more organized shortwave trough approaching from the west for late night. Overall expect convection to grow upscale to a MCS...possibly severe...and shift sewd into the nrn CWA. Very high PWs of 1.5-1.75 inches and a relatively slow moving MCS, will make heavy rainfall the biggest concern. Issued a Hydrologic Outlook to address this mainly north of Madison and Milwaukee. For Thu and Thu night, the llj will maintain persistent moisture transport into central WI while a couple vorticity maximums move through the area. Thus showers and tstorms will remain likely across the nrn CWA with lesser chances toward the IL border. By Fri the precipitation coverage will be shrinking as the llj weakens and the front moves into nrn IL as a cold front. Relatively warm and humid conditions will continue with some cooling on Fri or Fri night. LONG TERM...Saturday through Tuesday...Forecast confidence medium. The sharp upper trough over the wrn USA will lift newd over the weekend and will eventually lift newd into Manitoba and Ontario Canada along with its surface low. Thus high amplitude ridging will move over the wrn Great Lakes for Sat-Sun with a weak cold frontal passage forecast anytime from Sun night into Mon night. Only small chances of showers and tstorms are forecast for the weekend with better chances with the fropa. AVIATION/00Z TAFS/...Expecting VFR conditions well into this evening as lingering surface ridging dominates. Concern later tonight into Wednesday morning will be MCS potential riding in here from MN/IA. LLJ leans in here later with a decent slug of 850 moist advection proggd. At the moment the 20.12 HRRR is the most aggressive solution spreading remnants of MCS all the way through CWA by 12z Wednesday. Other models have trended towards the HRRR idea. All in all will trend conditions to be VFR for most of the period however an MVFR/borderline IFR cig scenario may unfold in the wake of any departed MCS. Will keep fog at bay with increasing cloud cover and higher wind speeds evolving off the deck. MARINE...Winds and waves will remain below small craft advisory levels through the week. && .MKX Watches/Warnings/Advisories... WI...None. LM...None. && UPDATE...MBK TONIGHT/Wednesday AND AVIATION/MARINE...Collar Wednesday NIGHT THROUGH Tuesday...Gehring
Hazardous weather outlook, Sep 20, 3:47 PM CDT, 11 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 347 PM CDT TUE SEP 20 2016 WIZ046-047-051-052-056>060-062>072-212100- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- 347 PM CDT TUE SEP 20 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...TONIGHT THUNDERSTORMS ARE LIKELY LATE TONIGHT OVER MUCH OF SOUTHERN WISCONSIN AS A WARM FRONT APPROACHES THE AREA. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS WELL NORTHWEST OF MADISON WITH A MARGINAL RISK OF SEVERE THUNDERSTORMS ELSEWHERE OVER SOUTHERN WISCONSIN. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY THUNDERSTORMS WILL BE LIKELY AT TIMES...MAINLY NORTH OF MADISON AND MILWAUKEE...FOR WEDNESDAY THROUGH THURSDAY NIGHT DUE TO A FRONT STALLING OVER THE AREA. HEAVY RAINFALL IS POSSIBLE MAINLY NORTH AND NORTHWEST OF MADISON. THERE IS ALSO A MARGINAL RISK OF SEVERE THUNDERSTORMS WEDNESDAY AND WEDNESDAY NIGHT. SMALLER CHANCES OF THUNDERSTORMS ARE FORECAST FOR THE WEEKEND AND EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED LATE TONIGHT THROUGH WEDNESDAY NIGHT. LMZ643>646-212100- SHEBOYGAN TO PORT WASHINGTON WI- PORT WASHINGTON TO NORTH POINT LIGHT WI- NORTH POINT LIGHT TO WIND POINT WI- WIND POINT WI TO WINTHROP HARBOR IL- 347 PM CDT TUE SEP 20 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TONIGHT THERE IS A CHANCE OF THUNDERSTORMS LATE TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY THERE ARE CHANCES FOR THUNDERSTORMS AT TIMES FROM WEDNESDAY THROUGH MONDAY DUE TO FRONTAL BOUNDARIES AFFECTING THE AREA. THUNDERSTORMS WILL BE MOST PREVALENT NORTH OF PORT WASHINGTON WEDNESDAY NIGHT THROUGH THURSDAY NIGHT AND MAY BE STRONG AT TIMES. WWW.WEATHER.GOV/MKX MG
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 9:16 PM CDT | River Flood Watch | MKX | Sauk | 5 days |
| Sep 20, 9:16 PM CDT | River Flood Watch | MKX | Columbia, Sauk | 6 days |
| Sep 21, 3:10 AM CDT | Special Weather Statement | MKX | Sauk | 50 min |
| Sep 21, 3:18 AM CDT | Special Weather Statement | MKX | Green Lake, Marquette | 57 min |
| Sep 21, 3:56 AM CDT | Special Weather Statement | MKX | Columbia, Dodge | 64 min |
| Sep 21, 4:47 AM CDT | Special Weather Statement | MKX | Dane, Jefferson, Rock | 43 min |
| Sep 21, 4:48 AM CDT | Special Weather Statement | MKX | Dane, Jefferson, Rock | 42 min |
| Sep 21, 4:50 AM CDT | Special Weather Statement | MKX | Fond du Lac, Sheboygan | 40 min |
| Sep 21, 4:53 AM CDT | Special Marine Warning | MKX | 97 min | |
| Sep 21, 5:05 AM CDT | Special Weather Statement | MKX | Milwaukee, Ozaukee, Washington, Waukesha | 40 min |
| Sep 21, 5:20 AM CDT | Special Marine Warning | MKX | 85 min | |
| Sep 21, 5:36 AM CDT | Special Weather Statement | MKX | Kenosha, Racine, Walworth | 54 min |
| Sep 21, 8:29 AM CDT | Special Weather Statement | MKX | Lafayette | 46 min |
| Sep 21, 10:02 AM CDT | Special Weather Statement | MKX | Iowa | 28 min |
| Sep 21, 11:29 AM CDT | Areal Flood Advisory | MKX | Iowa | 2 hr |
| Sep 21, 12:06 PM CDT | Areal Flood Advisory | MKX | Sauk | 114 min |
| Sep 21, 12:32 PM CDT | Special Weather Statement | MKX | Sauk | 43 min |
| Sep 21, 2:55 PM CDT | Special Weather Statement | MKX | Columbia | 35 min |
| Sep 21, 4:00 PM CDT | Special Weather Statement | MKX | Dane | 30 min |
| Sep 21, 4:26 PM CDT | Areal Flood Advisory | MKX | Dane | 2 hr |
| Sep 21, 5:08 PM CDT | Special Weather Statement | MKX | Jefferson | 52 min |
| Sep 21, 5:45 PM CDT | Areal Flood Advisory | MKX | Columbia, Sauk | 2 hr |
| Sep 21, 6:40 PM CDT | Special Weather Statement | MKX | Columbia | 50 min |
Nearby
Flash Flood Watches in Wisconsin, 2016Every flash flood watch in 2016
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.