{
  "_comment": "Curated phrase suggestions from the guidance documents, shown above archive phrases. Precedence: USDA FS Forecast Guidance (rules applied to every suggestion in app/phrases.py) > SAC Avalanche Problems > Statham et al. 2018 (CMAH). CMAH lines are adapted from Table 4 'Typical risk mitigation' (CC BY 4.0) into plain language per FG §3.1/§3.3, using FG vocabulary. problem_type ids are AFP: 1 Dry Loose, 2 Storm Slab, 3 Wind Slab, 4 Persistent Slab, 5 Deep Persistent Slab, 6 Wet Loose, 7 Wet Slab, 8 Cornice, 9 Glide.",
  "sources": {
    "sac": {"rank": 1, "label": "SAC Avalanche Problems", "doc": "sac-avalanche-problems.pdf"},
    "cmah": {"rank": 2, "label": "Statham et al. 2018 (CMAH), Table 4 — adapted", "doc": "cmah-statham-2018.pdf"}
  },
  "phrases": [
    {"source": "sac", "problem_type": 1, "fields": ["problem", "bottom_line"], "text": "Dry loose avalanches are most hazardous if they carry you into a terrain trap such as a gully, cliff, couloir or thick trees."},
    {"source": "sac", "problem_type": 1, "fields": ["problem"], "text": "Manage your sluff or choose less consequential terrain when the surface snow is loose."},
    {"source": "cmah", "problem_type": 1, "fields": ["problem", "bottom_line"], "text": "Avoid terrain traps where debris can pile up, cliffs where even a small avalanche has consequences, and steep slopes above you where sluffs can start."},

    {"source": "sac", "problem_type": 2, "fields": ["problem"], "text": "Look for shooting cracks on small, steep test slopes."},
    {"source": "sac", "problem_type": 2, "fields": ["problem", "bottom_line"], "text": "Shallow storm slabs are most dangerous on larger slopes or above terrain traps such as trees, gullies and cliffs."},
    {"source": "sac", "problem_type": 2, "fields": ["problem", "bottom_line"], "text": "Reduce your risk by waiting for the new snow to bond before venturing into steep terrain."},
    {"source": "sac", "problem_type": 2, "fields": ["problem"], "text": "Expect deeper, more sensitive slabs where drifted snow piles up on the leeward side of terrain features."},
    {"source": "cmah", "problem_type": 2, "fields": ["problem", "bottom_line"], "text": "Avoid avalanche terrain during periods of intense snowfall and for the first 24 to 36 hours after."},
    {"source": "cmah", "problem_type": 2, "fields": ["problem"], "text": "Watch for cracking in the new snow on any avalanche slope during the storm and in the days that follow."},

    {"source": "sac", "problem_type": 3, "fields": ["problem", "bottom_line"], "text": "Avoid wind-drifted slopes by sticking to sheltered or wind-scoured areas."},
    {"source": "sac", "problem_type": 3, "fields": ["problem", "bottom_line"], "text": "Blowing snow and cracking or collapsing in drifted snow are clear warning signs."},
    {"source": "sac", "problem_type": 3, "fields": ["problem"], "text": "Drifts form below the leeward side of ridges and in cross-loaded gullies, and can feel smooth, rounded or hollow."},
    {"source": "cmah", "problem_type": 3, "fields": ["problem"], "text": "Spot wind-drifted snow by watching for sudden changes in the texture and hardness of the snow surface."},
    {"source": "cmah", "problem_type": 3, "fields": ["problem", "bottom_line"], "text": "Wind drifts are most common on the lee side of ridgetops and gullies and are most sensitive when they first form."},
    {"source": "cmah", "problem_type": 3, "fields": ["problem"], "text": "Cold temperatures can keep new drifts sensitive for longer."},

    {"source": "sac", "problem_type": 4, "fields": ["problem", "bottom_line"], "text": "Tracks on a slope are not a sign that it is stable."},
    {"source": "sac", "problem_type": 4, "fields": ["problem"], "text": "These avalanches can be triggered from a distance, including from flatter terrain below, above or beside steep slopes."},
    {"source": "sac", "problem_type": 4, "fields": ["problem", "bottom_line"], "text": "Give this problem a wide margin for error by making conservative terrain choices."},
    {"source": "sac", "problem_type": 4, "fields": ["problem", "bottom_line"], "text": "Avoid travel on or below steep slopes where this problem exists."},
    {"source": "cmah", "problem_type": 4, "fields": ["problem"], "text": "This problem is hard to assess and predict; it usually sits on specific aspects or elevations but can be widespread."},
    {"source": "cmah", "problem_type": 4, "fields": ["problem", "bottom_line"], "text": "This problem can linger for weeks, so keep choosing conservative terrain even when recent avalanches are rare."},

    {"source": "sac", "problem_type": 5, "fields": ["problem"], "text": "Warning signs are rare, and tracks on a slope are not a sign that it is stable."},
    {"source": "sac", "problem_type": 5, "fields": ["problem"], "text": "Triggering is most likely from shallow snowpack areas such as rock outcrops or the edges of the slab."},
    {"source": "sac", "problem_type": 5, "fields": ["problem", "bottom_line"], "text": "The most reliable way to manage this problem is to avoid avalanche terrain where it exists."},
    {"source": "sac", "problem_type": 5, "fields": ["problem"], "text": "Traveling where the snowpack is deep and uniform reduces, but does not remove, your risk."},
    {"source": "cmah", "problem_type": 5, "fields": ["problem"], "text": "These avalanches can be triggered from a distance and can break very widely."},
    {"source": "cmah", "problem_type": 5, "fields": ["problem", "bottom_line"], "text": "This problem can stay active all season, so avoiding specific avalanche terrain for long periods is often necessary."},

    {"source": "sac", "problem_type": 6, "fields": ["problem", "bottom_line"], "text": "Rollerballs and pinwheels are obvious signs that wet loose avalanches are possible."},
    {"source": "sac", "problem_type": 6, "fields": ["problem", "bottom_line"], "text": "Plan to be off and out from under very steep slopes before the heat of the day."},
    {"source": "sac", "problem_type": 6, "fields": ["problem", "bottom_line"], "text": "Move to colder, shadier aspects or off rain-soaked slopes before the snow surface turns slushy."},
    {"source": "sac", "problem_type": 6, "fields": ["problem"], "text": "Wet loose avalanches carry heavy snow that is hard to escape and can trigger larger slabs below."},
    {"source": "cmah", "problem_type": 6, "fields": ["problem", "bottom_line"], "text": "Avoid gullies and other confined terrain when water from melting or rain is moving through the snowpack."},

    {"source": "sac", "problem_type": 7, "fields": ["problem", "bottom_line"], "text": "Wet slabs can break widely and without clear warning signs."},
    {"source": "sac", "problem_type": 7, "fields": ["problem", "bottom_line"], "text": "If the snowpack refroze overnight, travel early in the day or on colder slopes where the surface crust supports your weight."},
    {"source": "sac", "problem_type": 7, "fields": ["problem", "bottom_line"], "text": "Choose conservative terrain during significant warm-ups."},
    {"source": "cmah", "problem_type": 7, "fields": ["problem", "bottom_line"], "text": "Rain, strong sun or long periods of above-freezing temperatures can weaken the snowpack quickly."},
    {"source": "cmah", "problem_type": 7, "fields": ["problem"], "text": "Timing matters: plan around aspect and elevation, and use a solid overnight refreeze to your advantage."},

    {"source": "sac", "problem_type": 8, "fields": ["problem", "bottom_line"], "text": "Travel cautiously on corniced ridgelines and give cornices a wide berth."},
    {"source": "sac", "problem_type": 8, "fields": ["problem"], "text": "Cornices can break farther back than expected onto flat ridgetops."},
    {"source": "sac", "problem_type": 8, "fields": ["problem", "bottom_line"], "text": "Limit your time on slopes below cornices, especially during rapid warming or wind loading."},
    {"source": "sac", "problem_type": 8, "fields": ["problem"], "text": "A falling cornice can trigger slab avalanches on the slope below."},
    {"source": "cmah", "problem_type": 8, "fields": ["problem", "bottom_line"], "text": "On ridgetops, stay on solid ground well back from where the cornice attaches."},
    {"source": "cmah", "problem_type": 8, "fields": ["problem", "bottom_line"], "text": "Avoid time below cornices during storms, warm periods or rain."},

    {"source": "sac", "problem_type": 9, "fields": ["problem"], "text": "A person is unlikely to trigger a glide avalanche, but the timing of natural releases is very hard to predict."},
    {"source": "sac", "problem_type": 9, "fields": ["problem", "bottom_line"], "text": "Identify and avoid slopes with open glide cracks, especially newly opened ones."},
    {"source": "cmah", "problem_type": 9, "fields": ["problem"], "text": "A glide crack does not mean release is imminent, and the timing is almost impossible to predict."},
    {"source": "cmah", "problem_type": 9, "fields": ["problem", "bottom_line"], "text": "Avoid slopes with glide cracks and limit your time below them."}
  ],
  "cmah_problems": {
    "1": {"persistence": "Hours to days with new snow; longer when surface facets lose cohesion.", "relative_size": "R1-2", "mitigation": "Avoid terrain traps, cliffs below, and steep terrain overhead where sluffs start."},
    "2": {"persistence": "Peaks during intense precipitation; usually stabilizes within hours or days.", "relative_size": "R1-5", "mitigation": "Avoid avalanche terrain during intense precipitation and for the first 24-36 h after; assess crack propagation in all avalanche terrain."},
    "3": {"persistence": "Peaks during intense wind loading; usually stabilizes within several days; cold can extend it.", "relative_size": "R1-4", "mitigation": "Identify drifted snow by sudden changes in surface texture and hardness; most common in lee terrain and most unstable when new."},
    "4": {"persistence": "Builds slowly then activates; can persist for weeks or months but generally disappears within six weeks.", "relative_size": "R2-4", "mitigation": "Hard to assess and predict; track weak-layer distribution and propagation; wide margin for error and conservative terrain choices."},
    "5": {"persistence": "On/off pattern that can last the whole season until melt.", "relative_size": "R3-5", "mitigation": "Low probability / high consequence; triggering from shallow weak areas, remote triggering and long propagation; seasonal avoidance of specific terrain is often needed."},
    "6": {"persistence": "Tracks warm temperatures, rain and solar radiation.", "relative_size": "R1-3", "mitigation": "Avoid gullies and confined terrain when water is moving through the snowpack."},
    "7": {"persistence": "Peaks during rain or extended warmth; lasts until the snowpack refreezes or turns to slush.", "relative_size": "R2-5", "mitigation": "Rain, strong sun or long warm spells destabilize quickly; timing by aspect and elevation is key; a good overnight refreeze stabilizes."},
    "8": {"persistence": "Present all winter on ridge crests; tends to fail during warming or after intense wind loading.", "relative_size": "R1-5", "mitigation": "Avoid overhead exposure, especially in storms, warmth or rain; stay well back from the cornice root; cornice falls can trigger slabs below."},
    "9": {"persistence": "Can appear any time and persist for the rest of the winter; release is almost impossible to predict.", "relative_size": "R3-5", "mitigation": "A glide crack does not mean imminent release; avoid slopes with glide cracks and overhead exposure to them."}
  }
}
