Thawing soil combined with significant rainfall during the first half of April 2013 resulted in a reclassification of the severe drought (D2) across parts of Lincoln County, Oneida County and Vilas County to moderate drought (D1). The severe drought conditions (D2) began in that area in November 2012.
Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GRB wrote it up.
Thawing soil combined with significant rainfall during the first half of April 2013 resulted in a reclassification of the severe drought (D2) across parts of Lincoln County, Oneida County and Vilas County to moderate drought (D1). The severe drought conditions (D2) began in that area in November 2012.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Green Bay, WI wrote its last area forecast discussion before the first event at Mar 31, 10:20 PM CST, 1 hour 40 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREEN BAY WI 1120 PM CDT SUN MAR 31 2013 UPDATED AVIATION PORTION FOR 06Z TAF ISSUANCE .SHORT TERM...TONIGHT AND MONDAY ISSUED AT 359 PM CDT SUN MAR 31 2013 SHORT WAVE ENERGY...UPPER DIVERGENCE ASSOCIATED WITH A JET MAX...AND A SURFACE BOUNDARY PROVIDED THE FOCUS FOR PRECIPITATION ACROSS NORTHERN WISCONSIN DURING THE MORNING AND EARLY AFTERNOON HOURS. A LINE OF SHOWERS EXTENDED FROM NORTHEAST TO CENTRAL WISCONSIN. THE SHOWERS WERE IN THE FORM OF SNOW IN CENTRAL WISCONSIN BUT WOULD EXPECT MORE RAIN THAN SNOW IN EAST CENTRAL WISCONSIN AS IT MOVES THROUGH DURING THE LATE AFTERNOON. CONTINUED COLD ADVECTION OVER LAKE SUPERIOR IS EXPECTED TO PRODUCE SNOW SHOWERS THAT WILL IMPACT NORTHERN WISCONSIN TONIGHT AND MONDAY. MODELS HAD 850MB TEMPERATURES FORECAST TO BE IN THE -12C TO -14C RANGE ACROSS WESTERN LAKE SUPERIOR AT 00Z MONDAY...FALLING INTO THE -18C TO -20C RANGE BY 12Z MONDAY. THIS WILL PRODUCE SUFFICIENT DELTA-T VALUES FOR LAKE EFFECT. 850MB WINDS BACK SLIGHTLY AND DIRECTION DOES NOT APPEAR TO BE OPTIMAL TO GET ADVISORY CRITERIA LAKE EFFECT IN VILAS...SO HAVE JUST MENTIONED SCATTERED SNOW SHOWERS THERE FOR TONIGHT WITH ABOUT 1 TO 3 INCHES. LAKE EFFECT SHOULD CONTINUE THROUGH MONDAY WHEN WINDS BACK A LITTLE BIT MORE BUT THERE WILL PROBABLY STILL BE SOME LAKE EFFECT THERE. EXPECT DECREASING CLOUDS ACROSS THE REST OF THE AREA AS THE SHOWERS DEPART AND LOSS OF SURFACE HEATING. HAVE CLOUDS INCREASING AGAIN DUE TO CU DEVELOPMENT DURING THE DAY ON MONDAY. .LONG TERM...MONDAY NIGHT THROUGH SUNDAY ISSUED AT 359 PM CDT SUN MAR 31 2013 COLD NORTH TO NORTHWEST WINDS OFF LAKE SUPERIOR MONDAY NIGHT INTO TUESDAY NIGHT WILL CONTINUE CONFINE MOST CLOUDS AND SCT/ISOLD SNOW SHOWERS OVER NORTH CENTRAL WISCONSIN. A RIDGE OF HIGH PRESSURE WILL THEN DRIFT OVER THE STATE LATER TUESDAY NIGHT INTO WEDNESDAY TO END ANY LAKE EFFECT SNOW SHOWER ACTIVITY FAR NORTH. CLEARING SKIES TUESDAY NIGHT WILL PRODUCE SOME CHILLY OVERNIGHT LOW TEMPERATURES. MODELS REMAIN CONSISTENT WITH ANOTHER FRONTAL SYSTEM DROPPING OVER THE STATE LATE WEDNESDAY NIGHT INTO THURSDAY. CAA ON THE BACKSIDE OF THIS FRONT WILL PRODUCE A MIX THURSDAY BEFORE ENDING. CAA PATTERN AHEAD OF ANOTHER RIDGE FOR LATE IN THE WEEK HOLDING OFF ANY WARMING TREND FOR THE REST OF THE WEEK. A COLD AND DRY AIR MASS SETTLES INTO REGION WITH THE UPPER RIDGE WHICH MAY CAUSE PROBLEMS FOR NEXT WEEKEND. MEDIUM RANGE MODELS REMAIN INCONSISTENT FOR NEXT WEEKEND. ANY RETURN FLOW PATTERN WILL BE TRYING TO DISLODGE A COLD AND INITIALLY DRY AIR WITH THE RESULTS A POTENTIAL MIX. THE MUCH COLDER 12Z GFS IS PROGGING MAINLY SNOW OVER THE AREA WITH SEVERAL INCHES OF ACCUMULATION BY SATURDAY. MEANWHILE THE 12 ECMWF IS INDICATING MORE RAIN AND FURTHER NORTH WITH THE PCPN WHILE PROGGING A STRONGER SHORT WAVE TROUGH VS THE MORE ZONAL FLOW GFS. && .AVIATION...FOR 06Z TAF ISSUANCE ISSUED AT 1119 PM CDT SUN MAR 31 2013 CLOUDS DECREASED THIS EVENING...BUT AS COLDER AIR CONTS TO SURGE SEWD ACRS LAKE SUPERIOR...EXPECT MVFR CIGS TO GRADUALLY REDEVELOP ACRS THE AREA OVERNIGHT. WL LIKELY SEE SOME IFR VSBYS IN SHSN OVER THE FAR N. && .GRB WATCHES/WARNINGS/ADVISORIES... NONE. && SHORT TERM.....MG LONG TERM......TDH AVIATION.......SKOWRONSKI
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREEN BAY WI 413 PM CDT SUN MAR 31 2013 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-012115- VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE- MENOMINEE-NORTHERN OCONTO-DOOR-MARATHON-SHAWANO-WOOD-PORTAGE- WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-WINNEBAGO-CALUMET- MANITOWOC-SOUTHERN MARINETTE-SOUTHERN OCONTO- 413 PM CDT SUN MAR 31 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST WISCONSIN. .DAY ONE...TONIGHT LAKE EFFECT SNOW MAY BRING ACCUMULATIONS OF AN INCH OR TWO TO VILAS COUNTY TONIGHT. SLIPPERY ROADS AND REDUCED VISIBILITIES COULD RESULT IN LOCALLY HAZARDOUS TRAVEL CONDITIONS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SUNDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. LMZ521-522-541>543-012115- THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN- 413 PM CDT SUN MAR 31 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST LAKE MICHIGAN AND THE WATERS OF GREEN BAY. .DAY ONE...TONIGHT THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SUNDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. MG/TDH
The national radar mosaic for the moment the first event began.
3 drought. Local standard time, as filed.
Thawing soil and above normal precipitation across north central Wisconsin resulted in a reclassification of the drought in southwest Vilas County from severe drought (D2) to moderate drought (D1) by the morning of April 16th.
Thawing soil and above normal precipitation across north central Wisconsin resulted in a reclassification of the drought in western Oneida County from severe drought (D2) to moderate drought (D1) by the morning of April 16th.
Thawing soil and above normal precipitation across north central Wisconsin resulted in a reclassification of the drought in northwest Lincoln County from severe drought (D2) to moderate drought (D1) by the morning of April 16th.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2013Every state in 2013This day in weather historyWarnings in Wisconsin, April 2013
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 444905, 444906, 444907.