City vs city
Difficult Run vs Greenbriar, VA
Difficult Run currently scores 6 points higher overall than Greenbriar, with the largest gap in hail.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality is a current EPA AirNow signal; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Difficult Run: 37/100 · Greenbriar: 31/100
Difficult Run is 6 points higher.
Flood
Difficult Run: 24/100 · Greenbriar: 30/100
Greenbriar is 6 points higher.
Difficult Run: FEMA NFHL flood zones: 4 features intersect this tile.
Greenbriar: FEMA NFHL flood zones: 5 features intersect this tile.
Wind
Difficult Run: 20/100 · Greenbriar: 20/100
No gap.
Difficult Run: Wind exposure derived from ingested design wind / climatology tiles.
Greenbriar: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Difficult Run: 38/100 · Greenbriar: 39/100
Greenbriar is 1 points higher.
Difficult Run: Lightning exposure derived from ingested climatology tiles.
Greenbriar: Lightning exposure derived from ingested climatology tiles.
Tornado
Difficult Run: 12/100 · Greenbriar: 4/100
Difficult Run is 8 points higher.
Difficult Run: Tornado risk derived from NOAA SPC historical reports.
Greenbriar: Tornado risk derived from NOAA SPC historical reports.
Hail
Difficult Run: 85/100 · Greenbriar: 43/100
Difficult Run is 42 points higher.
Difficult Run: Hail risk derived from NOAA SPC historical reports.
Greenbriar: Hail risk derived from NOAA SPC historical reports.
Storm surge
Difficult Run: Unavailable · Greenbriar: Unavailable
A score difference cannot be calculated without both sources.
Difficult Run: Storm surge model is not available for this location yet.
Greenbriar: Storm surge model is not available for this location yet.
Wildfire
Difficult Run: 41/100 · Greenbriar: 42/100
Greenbriar is 1 points higher.
Difficult Run: Wildfire exposure derived from ingested fire potential tiles.
Greenbriar: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Difficult Run: 41/100 · Greenbriar: 40/100
Difficult Run is 1 points higher.
Difficult Run: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Greenbriar: Air quality signal derived from the latest EPA AirNow combined AQI grid.