Welcome to our new heavy rainfall and flood outlook page. On this page, you will find our latest heavy rainfall forecasts and related flood potential information. These products are created using the latest surface and upper air information and model guidance. This product will be issued once in the morning, with another update during the afternoon, as necessary. Keep in mind though, this product will be event-driven, or in other words, issued only as needed.
SIGNIFICANT RAINFALL AND FLOOD POTENTIAL DISCUSSION SCO MIDWEST WEATHER SERVICE STEVENS POINT/WHITING WI 1148 AM CDT WED JUL 17 2019 VALID: 171700Z - 181200Z. FORECAST PRECIPITABLE WATER VALUES:
|None||0.50 - 1.00||1.00 - 3.00||4.00 - 5.00||5.00+|
SUMMARY OF THE 1700 UTC...1200 PM CDT...INFORMATION: PROBABILITY OF ADDITIONAL FLOOD/FLASH FLOOD WATCH ISSUANCES...40% OR MODERATE. CATEGORICAL HEAVY RAINFALL POTENTIAL: SLIGHT RISK FOR THE AREAS INDICATED. CURRENT WATCHES NOW IN EFFECT: * A flood watch has been posted for the tri-state area from 700 pm this evening through Thursday morning. REGIONAL RADAR MOSIAC SUMMARY: AT 1700Z...A slowly decaying MCS continued to move southeastward across southeast IA into western Il. FORECAST DISCUSSION: A humid and unstable air mass continues to reside across a good portion of the coverage region. The latest PW value estimates from the short term model guidance indicates anywhere from 2 to 4 inches of rainfall is expected from tonight into Thursday morning. Locally higher rainfall totals are also possible with the heavier thunderstorms, especially storms which trains over the same areas. The concerns for flooding centers on the forecast slow motion of the thunderstorms, and those which trains over the same general areas. Be cautious at night when it's harder to recoginise flood dangers. SPECIAL INFORMATION: NONE. PRECAUTIONARY/PREPAREDNESS ACTIONS: A flood watch is issued when the potential exists for significant flooding in the watch area. If you live near low lying areas, or near any rivers, streams, or creeks, watch for signs of flooding starting to occur. If you see flooding starting to happen, evacuate the area at once! Move quickly to higher ground! FOR INFORMATION MORE SPECIFIC TO YOUR LOCATION...INCLUDING LOCAL WATCHES OR WARNINGS...PLEASE REFER TO THE LATEST BULLETINS ISSUED FROM YOUR LOCAL NWS OFFICE. NEXT UPDATE: THE NEXT UPDATE IS SCHEDULED FOR 1200 AM THURSDAY. FORECASTER: MUSHER NNN