Hailstone (Upper Buffalo) — Predictions: 2026-08-26
Rise predictions issued: 3
No-rise claims (quiet / too light) issued: 0
Settled (18-h window passed): 3
Issued 2026-08-27 00:21
| Metric |
Predicted |
Actual |
Error |
| Peak CFS |
46 CFS |
2 CFS |
-45 CFS |
| Peak time |
2026-08-27 00:51 |
2026-08-26 19:30 |
— |
Moisture: NORMAL (0.86" 7-day, x1.00)
Confidence: high — Well-calibrated (15 events)
Engine: —
Band contributions
| Band |
Precip |
Rise |
Arrival |
Intensity |
| 1 |
0.41" |
84 CFS |
00:22 |
MODERATE |
Issued 2026-08-26 23:21
| Metric |
Predicted |
Actual |
Error |
| Peak CFS |
48 CFS |
2 CFS |
-46 CFS |
| Peak time |
2026-08-26 23:51 |
2026-08-26 18:30 |
— |
Moisture: NORMAL (0.79" 7-day, x1.00)
Confidence: high — Well-calibrated (15 events)
Engine: —
Band contributions
| Band |
Precip |
Rise |
Arrival |
Intensity |
| 1 |
0.33" |
68 CFS |
00:06 |
MODERATE |
Issued 2026-08-26 22:21
| Metric |
Predicted |
Actual |
Error |
| Peak CFS |
24 CFS |
2 CFS |
-22 CFS |
| Peak time |
2026-08-26 23:51 |
2026-08-26 18:15 |
— |
Moisture: NORMAL (0.61" 7-day, x1.00)
Confidence: high — Well-calibrated (15 events)
Engine: —
Band contributions
| Band |
Precip |
Rise |
Arrival |
Intensity |
| 1 |
0.16" |
33 CFS |
23:34 |
MODERATE |