Hydrologic Outlook issued December 27 at 7:37AM PST by NWS Seattle WA
ESFSEW Additional frontal systems will bring precipitation to Western Washington at times through the weekend. While precipitation will be much less with the systems today and into this weekend, the lack of much of a break will keep rivers over the Southwest Interior rising into the weekend. The potential for the lower reaches of the Chehalis River to flood on Saturday continues to be monitored. Please monitor the latest river forecasts from the National Weather Service for additional information.
Hydrologic Outlook issued December 27 at 3:02AM PST by NWS Portland OR
ESFPQR A series of storm systems will continue to bring a wet weather pattern across northwest Oregon through the weekend. This will lead to rises on rivers and creeks through at least December 30th. There is currently a 30-50% chance that several rivers in northwest Oregon will reach minor flood stage over the next 10 days, including: the Wilson River, Siletz River, Tualatin River, Siuslaw River, Marys Rivers, and the Pudding River. The Luckiamute River has the highest chance of hitting minor flood stage at 85%. In addition, there is a 20-25% chance the Nehalem River, Trask River, Yamhill River
Hydrologic Outlook issued December 27 at 2:58AM PST by NWS Portland OR
ESFPQR A series of storm systems will continue to bring a wet weather pattern across northwest Oregon through the weekend. This will lead to rises on rivers and creeks through at least December 30th. There is currently a 30-50% chance that several rivers in northwest Oregon will reach minor flood stage over the next 10 days, including: the Wilson River, Siletz River, Tualatin River, Siuslaw River, Marys Rivers, and the Pudding River. The Luckiamute River has the highest chance of hitting minor flood stage at 85%. In addition, there is a 20-25% chance the Nehalem River, Trask River, Yamhill River
Hydrologic Outlook issued December 26 at 12:15PM PST by NWS Portland OR
ESFPQR A series of systems will continue the wet weather pattern of late across northwest Oregon through the weekend. This will lead to rises on rivers and creeks through at least Sunday, December 29th. There is currently a 30-50% probability that several rivers in northwest Oregon including the Siuslaw River, the Mohawk River, the Marys Rivers, the Luckiamute River and the Pudding River will reach minor flood stage over the next week. Heavy rainfall may also lead to ponding of water, general lowland flooding and localized urban flooding, especially in low lying areas or other areas with poor drainage. Heavy
SPC Dec 27, 2024 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1024 AM CST Fri Dec 27 2024 Valid 271630Z - 281200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING FROM SOUTHEAST LA/MS INTO SOUTHWEST AL AND THE WESTERN FL PANHANDLE... ...SUMMARY... A few strong to locally severe thunderstorms could occur today across parts of the central Gulf Coast States. ...Central Gulf Coast Region... A compact negative-tilted shortwave trough that has provided occasionally strong thunderstorms to parts of southern MS/southeast LA is tracking away from the Gulf Coast region. Low-level winds are
SPC Dec 27, 2024 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0643 AM CST Fri Dec 27 2024 Valid 271300Z - 281200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL GULF COAST STATES... ...SUMMARY... A few strong to locally severe thunderstorms could occur today across parts of the central Gulf Coast States. ...Synopsis... In mid/upper levels, a broad area of cyclonic flow will persist around mean troughing, from the Great Basin and Rockies across the Great Plains to the Mississippi Valley. The leading shortwave trough -- in a series of them
SPC Dec 27, 2024 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0651 PM CST Thu Dec 26 2024 Valid 270100Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SABINE AND LOWER MISSISSIPPI VALLEYS... ...SUMMARY... Strong to severe thunderstorms, associated with severe wind gusts, hail and a few tornadoes, will move eastward across far southeast Texas, Louisiana and southern Arkansas this evening. ...Southeast Texas/Louisiana/Southern Arkansas... The latest water vapor imagery shows a mid-level trough moving across east-central Texas. At the surface, a low is in northeast Texas with a cold front
Hydrologic Outlook issued December 26 at 2:52AM PST by NWS Seattle WA
ESFSEW An atmospheric river brought 3 to 5 inches of precipitation to the Olympic mountains Wednesday into Thursday morning with snow levels around 4000 feet. While precipitation will be much less with the systems beginning Friday the lack of much of a break will keep rivers over the Southwest Interior rising into the weekend. It is possible the lower reaches of the Chehalis could flood Saturday. The Skookumchuck near Bucoda, Newaukum near Chehalis and the Satsop near Satsop could reach action stage late Friday into Saturday. Please monitor the latest river forecasts from the National Weather Service for additional information.
SPC Dec 26, 2024 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1013 AM CST Thu Dec 26 2024 Valid 261630Z - 271200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON/EVENING FOR SOUTHEAST TX... ...SUMMARY... Several tornadoes, including a strong (potentially EF2+) tornado or two, will be possible this afternoon/evening across southeast Texas. Damaging gusts of 60-70 mph and large hail of 1-1.75" in diameter will also be possible from east Texas this afternoon into Louisiana, southern Arkansas and far west central Mississippi overnight. ...East TX/LA/southern AR through tonight... Elevated convection has already formed over
SPC Dec 26, 2024 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0649 AM CST Thu Dec 26 2024 Valid 261300Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER MAINLY SOUTHEAST AND EAST TEXAS INTO WESTERN AND NORTHERN LOUISIANA AND SOUTHERN ARKANSAS... ...SUMMARY... Scattered severe thunderstorms capable of all hazards are possible this afternoon and evening from the southern Plains eastward into the Ark-La-Tex and lower Mississippi Valley. ...Southern Plains/Ark-La-Tex and Lower Mississippi Valley... Water-vapor imagery this morning shows a relatively compact but potent mid-level shortwave trough over west/northwest TX, and this feature will