The Weather Prediction Center issues Day 5 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 21, 7:58z Link

The Weather Prediction Center issues Day 4 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 21, 7:58z Link

The Weather Prediction Center issues Day 3 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 21, 8:20z Link

The Weather Prediction Center issues Day 2 Excessive Rainfall Outlook (Max Risk: Moderate) at Dec 21, 8:20z Link

The Weather Prediction Center issues Day 1 Excessive Rainfall Outlook (Max Risk: Moderate) at Dec 21, 8:20z Link

#WBC issues Excessive Rainfall Discussion (QPF) at Dec 21, 3:20 AM EST ...THERE IS A MODERATE RISK FOR EXCESSIVE RAINFALL IN EFFECT FOR PORTIONS OF THE SIERRA NEVADA IN NORTHERN CALIFORNIA... Link

#WNH issues Hawaii Discussion (PMD) at Dec 21, 3:00 AM EST Link

#WBC issues Extended Forecast Discussion (PMD) at Dec 21, 2:57 AM EST ...Overview... Link

#WBC issues Heavy Snow Discussion (QPF) at Dec 21, 2:54 AM EST ...Upstate New York... Link

#WBC issues Short Range Forecast Discussion (PMD) at Dec 21, 2:26 AM EST ...Heavy snow downwind from Lake Ontario... Link

#WPC issues MPD 1267 concerning HEAVY RAINFALL...FLASH FLOODING LIKELY: PORTIONS OF NORTHERN AND CENTRAL CALIFORNIA Link

#WCO issues Area Hydrological Discussion (AHD) at Dec 20, 8:22 PM CST Link

The Weather Prediction Center issues Day 1 Excessive Rainfall Outlook (Max Risk: Marginal) at Dec 21, 0:34z Link

#WBC issues Excessive Rainfall Discussion (QPF) at Dec 20, 7:57 PM EST ...THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL IN PORTIONS OF NORTHERN CALIFORNIA... Link

The Weather Prediction Center issues Day 5 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 20, 19:04z Link

The Weather Prediction Center issues Day 4 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 20, 19:04z Link

The Weather Prediction Center issues Day 3 Excessive Rainfall Outlook (Max Risk: Moderate) at Dec 20, 20:20z Link

The Weather Prediction Center issues Day 2 Excessive Rainfall Outlook (Max Risk: Moderate) at Dec 20, 20:20z Link

The Weather Prediction Center issues Day 1 Excessive Rainfall Outlook (Max Risk: Marginal) at Dec 20, 15:47z Link

#WBC issues Excessive Rainfall Discussion (QPF) at Dec 20, 3:39 PM EST ...THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL IN PORTIONS OF NORTHERN CALIFORNIA|... Link

#WBC issues Excessive Rainfall Discussion (QPF) at Dec 20, 3:29 PM EST ...THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL IN PORTIONS OF NORTHERN CALIFORNIA|... Link

#WBC issues Short Range Forecast Discussion (PMD) at Dec 20, 3:09 PM EST ...Active pattern to continue for the West Coast with heavy rainfall and higher elevation heavy snow over the next couple of days... Link

#WBC issues Heavy Snow Discussion (QPF) at Dec 20, 3:18 PM EST ...Great Lakes... Link

#WBC issues Short Range Forecast Discussion (PMD) at Dec 20, 2:59 PM EST ...Active pattern to continue for the West Coast with heavy rainfall and higher elevation heavy snow over the next couple of days... Link

#WBC issues Extended Forecast Discussion (PMD) at Dec 20, 2:02 PM EST ...Major series of atmospheric rivers to fuel rounds of heavy rainfall to impact the West Coast, but especially California through the holidays... Link

#WBC issues Excessive Rainfall Discussion (QPF) at Dec 20, 10:47 AM EST ...THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL IN PORTIONS OF NORTHERN CALIFORNIA|... Link

#WBC issues Excessive Rainfall Discussion (QPF) at Dec 20, 3:09 AM EST ...THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL IN PORTIONS OF NORTHERN CALIFORNIA|... Link

#WBC issues Extended Forecast Discussion (PMD) at Dec 20, 3:00 AM EST ...Major series of atmospheric rivers to fuel rounds of heavy rainfall to impact the West Coast, but especially California through the holidays... Link

#WBC issues Heavy Snow Discussion (QPF) at Dec 20, 2:53 AM EST ...Great Lakes... Link

#WNH issues Hawaii Discussion (PMD) at Dec 20, 2:45 AM EST Link

#WBC issues Short Range Forecast Discussion (PMD) at Dec 20, 2:37 AM EST ...There is a Moderate Risk of excessive rainfall over parts of Northern California on Sunday... Link

#WBC issues Short Range Forecast Discussion (PMD) at Dec 20, 2:33 AM EST ...Heavy snow over parts of the Upper Peninsula of Michigan... Link

The Weather Prediction Center issues Day 1 Excessive Rainfall Outlook at Dec 19, 23:58z Link

#WBC issues Excessive Rainfall Discussion (QPF) at Dec 19, 7:01 PM EST ...THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL IN PORTIONS OF NORTHERN CALIFORNIA|... Link

The Weather Prediction Center issues Day 3 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 19, 20:22z Link

The Weather Prediction Center issues Day 2 Excessive Rainfall Outlook (Max Risk: Marginal) at Dec 19, 20:22z Link

#WBC issues Short Range Forecast Discussion (PMD) at Dec 19, 4:04 PM EST ...California will see the potential for flash flooding this weekend into early week as another atmospheric river enters the area... Link

#WBC issues Excessive Rainfall Discussion (QPF) at Dec 19, 3:41 PM EST ...THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL MAINLY OVER PORTIONS OF NORTHWEST CALIFORNIA AND NEW ENGLAND... Link

#WBC issues Heavy Snow Discussion (QPF) at Dec 19, 3:22 PM EST ...Great Lakes & Northern New England... Link

#WBC issues South America Forecast Discussion (PMD) at Dec 19, 2:45 PM EST Link

The Weather Prediction Center issues Day 5 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 19, 19:04z Link

The Weather Prediction Center issues Day 4 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 19, 19:04z Link

#WBC issues Tropical Discussion (PMD) at Dec 19, 2:30 PM EST Link

#WBC issues Extended Forecast Discussion (PMD) at Dec 19, 2:03 PM EST ...A series of Atmospheric Rivers with additional rounds of heavy rainfall to impact the West Coast through the period... Link

The Weather Prediction Center issues Day 1 Excessive Rainfall Outlook (Max Risk: Marginal) at Dec 19, 15:53z Link

#WBC issues Excessive Rainfall Discussion (QPF) at Dec 19, 10:56 AM EST ...THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL MAINLY OVER PORTIONS OF NORTHWEST CALIFORNIA AND NEW ENGLAND... Link

#WBC issues Storm Summary (SCC) at Dec 19, 9:00 AM CST ...Selected preliminary Storm Total Snowfall in inches from 800 AM CST Wed Dec 17 through 800 AM CST Fri Dec 19... Link

The Weather Prediction Center issues Day 1 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 19, 8:29z Link

The Weather Prediction Center issues Day 5 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 19, 8:21z Link

The Weather Prediction Center issues Day 4 Excessive Rainfall Outlook (Max Risk: Slight) at Dec 19, 8:21z Link