
Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0342 PM CST Fri Jan 02 2026 Valid 041200Z - 101200Z Mid-level flow aloft will overspread the northern/central Rockies with short-waves traversing the crest of the central US ridge through the extended period. Eventually the ridge will break down, with potential for ejection of a deeper wave across Southwest into the Plains by the end of the period. Widespread rainfall will be common across the western US/eastern US during this time period, with little to no precipitation extending into the central/southern High Plains. As such, multiple periods of interest are expected to produce fire weather concerns. ...D3/Sunday through D4/Monday - Central/Southern High Plains... On D3/Sunday, aforementioned westerly flow aloft will increase across the northern/central Rockies. As a result of increasing westerly gradients and surface low development, an increase in downslope flow is expected across portions of the Front Range. There remains some disconnect in deterministic model runs in the strongest winds with the lowest relative humidity, with the strongest winds across Wyoming into Nebraska and the driest conditions across eastern Colorado into western Kansas. Given the pattern, confidence is increasing that winds across the immediate Front Range and downslope favored zones will likely be higher than progged with lower relative humidity than in current guidance, with sustained westerly flow 15-20 mph gusting 30+ mph. It is also likely that through the higher elevations, winds may be even stronger. Fuels across portions of northeastern Colorado into Wyoming continue to be historically dry (seasonally above average and approaching maximum dryness for the time period). As such, a 40 percent area was introduced along the Front Range and into southeastern Wyoming. ...D5/Tuesday - Southern/Central Plains... Upper-level flow will shift southward D5/Tuesday, with increase in downslope flow expected to extend into the Texas/Oklahoma Panhandles. Fuels across these regions remain critically dry. A 40 percent area was maintained with this outlook across eastern New Mexico into the Oklahoma/Texas Panhandle and extend into southeastern Colorado. Some consideration was given to a small 70 percent region across the Texas Panhandle. For now, have maintained the 40 percent with some disagreement remaining in exactly how low relative humidity will be. Beyond D5/Tuesday, periods of locally Elevated conditions may occur across portions of the Central/Southern Plains as flow aloft remains strong. However, surface pressure gradients weaken D6/Wednesday with a building surface high. A stronger wave may eject from the Southwest on D7/Thursday to D8/Friday. At the same time, a stationary front may evolve across the eastern US into the southern Plains, bringing several rounds of precipitation. It is likely that some area of the central/southern High Plains will see additional increased fire weather potential. For now, model spread on features remains too high to include areas at this time. ..Thornton.. 01/02/2026 ...Please see www.spc.noaa.gov/fire for graphic product...Read more

Mesoscale Discussion 0003
NWS Storm Prediction Center Norman OK
1234 PM CST Fri Jan 02 2026
Areas affected...Parts of central NE
Concerning...Freezing rain
Valid 021834Z - 022230Z
SUMMARY...Freezing rain may continue through the afternoon, and may
occasionally mix with sleet. Modest ice accretion is possible.
DISCUSSION...Precipitation has gradually increased in coverage
through the morning across western/central NE, in association with
midlevel shortwave trough moving east-southeastward across the
region. Initial dryness in the 850-700 mb layer (as observed in the
18Z OAX sounding) has likely limited precipitation amounts to some
extent, but a modest increase in rates is possible into mid
afternoon as saturation occurs and precipitation continues. The
surface freezing line is currently oriented north-south across
west-central NE, and is expected to make only slow eastward progress
through the afternoon, as ongoing precipitation and low-level
cold/dry advection help to maintain subfreezing conditions farther
east.
The bulk of the afternoon precipitation will fall where surface
temperatures will remain below freezing. Some sleet will be possible
within the colder environment across north-central/northeast NE, but
short-term guidance continues to indicate primarily freezing rain
across central NE, where a shallower subfreezing layer will be in
place. Precipitation will generally remain rather light, but 3-hour
rates may approach or exceed 0.05", with modest ice accretion
possible.
..Dean.. 01/02/2026
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...OAX...GID...LBF...
LAT...LON 42599956 42539834 41849752 41329706 40939707 40739767
40719860 40919965 41139992 41439999 42160004 42599956
Read more

Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0143 PM CST Fri Jan 02 2026 Valid 022000Z - 031200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are unlikely through tonight. ...20z Update... No major changes were made to the prior valid outlook. Scattered elevated thunderstorms remain possible over portions of the Southeast tonight associated with the advancing shortwave trough. Weak buoyancy should largely limit the severe risk. To the west, isolated thunderstorms are also possible over portions of northern coastal CA. Increasingly strong westerly flow aloft could support an occasional stronger gust with an advancing frontal rain band. But again, weak buoyancy will likely preclude a greater-than sporadic severe threat through tonight. ..Lyons.. 01/02/2026 .PREV DISCUSSION... /ISSUED 1029 AM CST Fri Jan 02 2026/ ...Southeast States... Multiple shortwave troughs, including across the Mid-South and High Plains early today, will progress east-southeastward toward the region within amplifying flow aloft. This will influence weak cyclogenesis, progressing from northeast Texas toward the ArkLaMiss/Alabama tonight, as a warm/moist sector becomes increasingly established across southeast Louisiana, southern portions of Mississippi/Alabama and parts of the Florida Panhandle, with low/some middle 60s F surface dewpoints tonight. The potential for isolated elevated thunderstorms will increase late today, and more so tonight regionally. Moderate mid-level flow will extend across the region and vertical shear will be strong enough to support storm organization. However, weak buoyancy is expected to limit updraft depth and persistence, keeping the severe potential low. Some surface-based instability is possible late tonight/early Saturday for coastal areas, but lingering warm air aloft/modest forcing for ascent will likely limit the overall severe potential regionally until the post-12z Day 2/Saturday time frame. ...Northern/Central California... A prominent upper trough centered around -134W will gradually progress eastward with a lead shortwave trough reaching coastal portions of northern California and southwest Oregon late tonight and early Saturday. A related influx of moistening and steepening mid-level lapse rates will yield an increasing potential for some thunderstorms tonight, particularly for coastal areas as a frontal band moves inland. Considerably strengthening deep-layer winds may contribute to some potential for convectively enhanced wind gusts, but severe thunderstorm-related severe potential should remain limited.Read more

Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0124 PM CST Fri Jan 02 2026 Valid 041200Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Sunday or Sunday night. ...Synopsis... A mid-level wave traversing the eastern CONUS at the beginning of the period will continue to shift off the East Coast through the day Sunday. A trailing cold front pushing southward along the FL Peninsula will likely support shallow convective showers along the coasts, but warm mid-level temperatures coincident with dry air will limit the potential for deep convection and lightning production. Across the West, broad southwesterly flow will persist along the coast and into the Great Basin. Thunderstorm potential will most likely be confined to central CA and perhaps along the northern CA and OR/WA coasts where cool mid-level temperatures will overspread modest low-level moisture. Weaker low-level wind profiles compared to D2/Saturday should limit the potential for organized convection. Sporadic lightning flashes appear possible further inland across the northern Great Basin given broad-scale ascent and some degree of mid-level cooling, but the signal for appreciable MUCAPE among all guidance is too limited to introduce additional thunder areas. ..Moore.. 01/02/2026Read more

Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0117 PM CST Fri Jan 02 2026 Valid 031200Z - 041200Z ...NO CRITICAL AREAS... No changes are needed to the D2 Fire Weather Outlook. See previous discussion for more information. ..Thornton.. 01/02/2026 .PREV DISCUSSION... /ISSUED 0145 AM CST Fri Jan 02 2026/ ...Synopsis... The prevailing large-scale mid-level pattern will remain the same on Saturday (as compared to Friday) with a western ridge and eastern trough. The short-wave trough that will have moved across the Southern Plains on Friday will be absorbed into the eastern US longwave trough on Saturday. As this happens, low-level moisture will be drawn northward into the Southeast. To the west of this trough (across the Southern Plains), relative humidity will once again fall into the 20%s across portions of southern and southwest Texas, however, with the departure of the mid-level wave, winds should be light enough to preclude fire-weather highlights. ...Please see www.spc.noaa.gov/fire for graphic product...Read more

Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1125 AM CST Fri Jan 02 2026 Valid 031200Z - 041200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE SOUTHEAST AND PARTS OF NORTHERN CALIFORNIA AND THE OREGON COAST... ...SUMMARY... Isolated severe storms are possible across parts of the Southeast on Saturday, and the Sacramento/northern San Joaquin Valleys to coastal northern California-southwest Oregon in the afternoon/early evening. ...Southeast... Late-morning surface observations across the TX/LA/MS region show the early stages of moisture return ahead of a gradually deepening surface low to the west across the southern Plains. The ejection of a low-amplitude mid-level perturbation (noted in water-vapor imagery over the Four Corners region as of 17 UTC) will lead to modest strengthening and an eastward progression of the surface low into the Southeast states through Saturday evening. Thunderstorms will likely develop within the warm/moist advection regime and along a weak surface trough/cold front by mid/late afternoon across portions of AL, GA, and northern FL. A plume of low to mid-60s dewpoints will likely become established by late afternoon across the FL Panhandle into southern GA, and should support MLCAPE values upwards of 1000 J/kg, though ongoing showers/thunderstorms may modulate overall destabilization to some degree. 50-knot mid-level flow will support adequate deep-layer shear for organized convection, including the potential for semi-discrete supercells before gradual upscale growth occurs through late afternoon/evening. Some severe wind/hail and tornado threat is expected to materialize, but uncertainty regarding the degree of destabilization within the warm sector and storm mode limits confidence for higher risk probabilities. This uncertainty is reflected in 12z CAM/HREF guidance, which depicts only modest signals for intense convection. That said, a more focused corridor of severe risk may emerge along the FL/GA line where the convective environment should be relatively most favorable for supercells. ...Central Valley into the CA/OR Coasts... A strong upper trough off the West Coast is expected to move inland over the next 24 hours. Multiple bands of showers and thunderstorms will likely spread across northern CA and OR through peak heating when modest low-level moisture (low 50s dewpoints) will likely support a few hundred J/kg MLCAPE. Southerly low-level flow through the Central Valley will maintain some low-level hodograph curvature that may be favorable for a brief tornado or two. Additionally, 40-45 flow between the 1-3 km layer may augment downdraft winds and support sporadic wind damage and perhaps a few severe gusts. ..Moore.. 01/02/2026Read more