Hydrologic Outlook issued February 20 at 2:46PM PST by NWS Portland OR
ESFPQR An series of frontal systems will bring heavy rainfall to northwest Oregon and southwest Washington this weekend. Rain will begin Saturday afternoon, and intensify overnight through Sunday. This will lead to rises on rivers and creeks, especially along the coast on February 22nd through the 23rd. Main stem rivers may be delayed to respond, and flooding may occur beyond this time frame. There is around a 25% chance of the Wilson River, the Grays River, and other localized quick responding coastal rivers of reaching minor flood stage on Sunday. Confidence in flooding is low as the location of heaviest
Hydrologic Outlook issued February 19 at 4:42PM PST by NWS Pendleton OR
ESFPDT Synopsis: Rain and high mountain snow in the last 24 hours and multiple systems this weekend and early next week will lead to rising water levels on area streams and rivers. Rainfall amounts of 2 to 4 inches are expected in the Cascades and 1 to 2 inches in the eastern Oregon mountains. In addition, temperatures will be rising to the 40s and even lower 50s in the mountains which will lead to snow melt adding even more water to rivers and streams. At this point, the Naches River at Cliffdell is expected to barely reach action stage for
Hydrologic Outlook issued February 16 at 10:08AM SST by NWS Pago Pago AS
ESFPPG We are continuing to monitor a developing South Pacific Convergence Zone (SPCZ) that is forecast to strengthen and remain over the American Samoa islands this week. Rain may be consistent and heavy at times, which may lead to flash flooding. Additionally, with the anticipated rainfall, there is an increased risk of landslides along steep mountain terrains. Keep up to date with the latest forecast information through our internet page (weather.gov/ppg), local media, social media, or NOAA Weather Radio broadcasts. For more preparedness actions, please call Territorial Emergency Management Coordination Office (TEMCO) at 699-3800. Next update will be around 10
Hydrologic Outlook issued February 15 at 10:03AM SST by NWS Pago Pago AS
ESFPPG Satellite imageries show the main axis for the South Pacific Convergence Zone (SPCZ) just south of the territory. The north edge of the main axis is slightly over American Samoa at this point. Model data projects the placement of the SPCZ over the islands in the next 2 to 3 days, and remain throughout the new week. Model projections thus far shows flash flooding conditions peaking on Sunday evening through early Monday, and again on Tuesday afternoon through the rest of the new week. Any additional rainfall will increase the risk for flash flooding and landslides in vulnerable areas
Hydrologic Outlook issued February 14 at 3:15PM CST by NWS Chicago IL
ESFLOT Favorable conditions for river ice development and possible ice jams will exist through today and then return early next week, impacting the Rock, Fox, Des Plaines, and Kankakee river basins. Very cold temperatures, favorable for rapid formation of river ice on most areas rivers, will continue through today. After a brief warm-up on Saturday, an additional period of very cold weather is expected to arrive early next week. Area river gauges indicate likely ice effects and a few minor ice jams, although no flooding appears imminent at this time. New and worsening river ice cover remains possible into tomorrow
Hydrologic Outlook issued February 14 at 10:01AM SST by NWS Pago Pago AS
ESFPPG Current satellite imageries show a trough over the islands while the South Pacific Convergence Zone (SPCZ) is further south of the islands. Model data shows the SPCZ moving closer and over the islands by the new week. The SPCZ will likely produce consistent showers, heavy at times with possible thunderstorms throughout the week. Additionally, with all the anticipated rainfall, expect an increased risk of landslides, mudslides and rockslides in the steep and mountainous areas. Keep up to date with the latest forecast information through our internet page (weather.gov/ppg), local media, social media, or NOAA Weather Radio broadcasts. For more
Hydrologic Outlook issued February 13 at 5:38PM EST by NWS Gaylord MI
ESFAPX THE SPRING 2025 FLOOD OUTLOOK FOR NORTHERN MICHIGAN INDICATES A NEAR TO ABOVE AVERAGE PROBABILITY OF FLOODING DUE TO SNOW MELT WITHIN MAJOR EASTERN UPPER AND NORTHERN LOWER MICHIGAN RIVER BASINS. THIS OUTLOOK COVERS CHIPPEWA AND MACKINAC COUNTIES IN EASTERN UPPER MICHIGAN WHICH INCLUDES THE PINE RIVER BASIN...AND THE NORTHERN HALF OF LOWER MICHIGAN ENCOMPASSING THE AU SABLE... BOARDMAN...MANISTEE...RIFLE...AND TOBACCO RIVER BASINS. THE FIRST TABLE BELOW LISTS THE PROBABILITIES OF REACHING FLOOD STAGE (MINOR FLOODING)...AS WELL AS MODERATE AND MAJOR FLOOD LEVELS FOR THE SIX FORECAST POINTS WITHIN THE GAYLORD NATIONAL WEATHER SERVICE OFFICE HYDROLOGIC SERVICE AREA. THE CURRENT
Hydrologic Outlook issued February 13 at 3:06PM CST by NWS Chicago IL
ESFLOT Favorable conditions for river ice development and possible ice jams will arrive tonight into tomorrow and then continue into next week, impacting the Rock, Fox, Des Plaines, and Kankakee river basins. Very cold temperatures, favorable for rapid formation of river ice on most areas rivers, have moved into the region. An additional period of very cold weather is expected to arrive early next week. The formation of heavy river ice cover means that ice jams will be possible in isolated areas, especially along the Rock, Fox, Des Plaines, and Kankakee rivers. Ice jams may cause rises and fluctuations on
Hydrologic Outlook issued February 13 at 10:30AM SST by NWS Pago Pago AS
ESFPPG A South Pacific Convergence Zone (SPCZ) is forecast to develop and move over the American Samoa islands on Sunday and is expected to remain for at least the majority of next week. Rain may be consistent and heavy at times, which may lead to flash flooding. Low lying areas are susceptible to flooding as well as landslides along steep mountain slopes. Keep up to date with the latest forecast information through our internet page (weather.gov/ppg), local media, social media, or NOAA Weather Radio broadcasts. For more preparedness actions, please call Territorial Emergency Management Coordination Office (TEMCO) at 699-3800. Next
Hydrologic Outlook issued February 12 at 6:19PM CST by NWS Memphis TN
ESFMEG There is an increasing probability of widespread rainfall amounts of 2 to 5 inches or more from Friday night through Saturday Night. This could lead to flooding of rivers across the Mid-South. Some rivers could approach moderate flood stage. The saturated soils in place ahead of this event could lead to quick rises in smaller creeks and streams causing flash flooding and overwhelming low lying, poor draining areas especially in urban settings. Stay tuned for additional updates and information to be prepared for this potentially significant flooding event.