Hydrologic Outlook issued May 16 at 10:40AM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River is open from Tanana to downstream of Mountain Village as of Thursday afternoon. Ice runs from upstream of Tanana continue as ice degrades between Beaver and Rampart and are being seen along many reaches of the Yukon. Water levels remain low and no flooding is anticipated. This is the last breakup condition report expected for the Yukon River from Tanana to Grayling unless anything of note occurs.
Hydrologic Outlook issued May 16 at 10:25AM AKDT by NWS Fairbanks AK
ESFAFG The Koyukuk River is mostly open between Hughes and its confluence with the Yukon River. Upstream of Hughes, short sections of in-place ice remain and will continue sending runs of ice downstream as breakup progresses.
Hydrologic Outlook issued May 16 at 10:09AM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River is open from Tanana to about 10 miles downstream of Mountain Village as of Thursday afternoon. Thermally degraded and lifted ice remains in the middle and south mouths and at Emmonak and Alakanuk. Ice runs from upstream of Tanana continue as ice degrades between Beaver and Rampart. Heavy ice runs are still being seen along many stretches of the Yukon. Water levels remain low, however if an ice jam forms at the breakup front, water levels could rise quickly behind it causing localized minor flooding. River Watch flights are done for the season.
Hydrologic Outlook issued May 16 at 4:25PM AST by NWS San Juan PR
ESFSJU An upper-level trough moving across the Dominican Republic, combined with abundant moisture, will result in the development of showers and thunderstorms across the local islands today and Saturday. Today, showers are expected to develop across the islands, with the highest accumulations across the interior, west and northwest Puerto Rico. Then, tonight, as the trough crosses the region, the showers and thunderstorms will spread across the eastern half of Puerto Rico, including Vieques and Culebra, and also over the Virgin Islands. This activity is expected to continue on Saturday too, but the weather is expected to improve on Sunday, as
SPC May 16, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1128 AM CDT Fri May 16 2025 Valid 161630Z - 171200Z ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON/EVENING MIDDLE MISSISSIPPI AND LOWER OHIO VALLEYS... ...SUMMARY... A regional outbreak of severe thunderstorms is likely this afternoon into tonight across parts of the mid Mississippi, Ohio and Tennessee Valleys. This will include intense supercells with strong, potentially long-track tornadoes and very large hail. The threat for damaging winds in excess of 75 mph will increase into this evening as storms grow into larger clusters.
SPC May 16, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0746 AM CDT Fri May 16 2025 Valid 161300Z - 171200Z ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF EAST-CENTRAL AND SOUTHEAST MISSOURI...WESTERN AND CENTRAL KENTUCKY...SOUTHERN ILLINOIS AND INDIANA...SOUTHWEST OHIO...NORTHWEST TENNESSEE...AND NORTHEAST ARKANSAS... ...SUMMARY... A regional outbreak of severe thunderstorms is likely this afternoon into tonight across parts of the mid Mississippi, Ohio and Tennessee Valleys. This will include intense supercells associated with tornadoes, large hail and wind damage. Several strong tornadoes are expected, and a long-track high-end tornado will be possible.
Hydrologic Outlook issued May 15 at 10:48AM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River is open from Tanana to downstream of Mountain Village as of Wednesday afternoon. Ice runs from upstream of Tanana continue as ice degrades between Beaver and Rampart and heavy ice runs are still being seen along many reaches of the Yukon. Water levels remain low and no flooding is anticipated.
Hydrologic Outlook issued May 15 at 10:46AM AKDT by NWS Fairbanks AK
ESFAFG The Yukon River is open from Tanana to about 10 miles downstream of Mountain Village as of Wednesday afternoon. Thermally degraded and lifted ice remains in the middle and south mouths and at Emmonak and Alakanuk. Ice runs from upstream of Tanana continue as ice degrades between Beaver and Rampart. Heavy ice runs are still being seen along most stretches of the Yukon. Water levels remain low and no flooding is anticipated. The River Watch team will be in the air downstream of Mountain Village today.
Hydrologic Outlook issued May 15 at 10:41AM AKDT by NWS Fairbanks AK
ESFAFG The Koyukuk River is mostly open between Hughes and its confluence with the Yukon River. Upstream of Hughes, short sections of in-place ice remain and will continue sending runs of ice downstream as breakup progresses.
Hydrologic Outlook issued May 15 at 12:30PM AST by NWS San Juan PR
ESFSJU An upper-level trough moving across the northeast Caribbean combined with abundant moisture will result in showers and thunderstorms across the local island Friday and Saturday. Based on the latest guidance, there is a chance to observe periods of showers and thunderstorms Friday and Saturday. The areas expected to receive the highest rainfall totals include northwest, central and the eastern coastal areas of Puerto Rico as well as Vieques, Culebra and the US Virgin Islands. Across these areas there is a moderate chance(40-60%) to observe 2 to 4 inches with locally higher amounts of up to 6 inches. Due to