This alert expired on 28 May 2026 at 03:15 UTC. It is kept here as a record.
No stronger detection stands among the 83 recorded within 20 km of this point since 3 April 2026 — 9 others scored the same. Another comparable one was recorded here earlier the same day. 12 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 27 at 6:44PM EDT until May 27 at 11:15PM EDT by NWS Charleston SC
An estimated 280,390 people live within 50 km of this point.
Nearby, since 3 April 2026
- August 11, 2026 · score 43 · 14.0 km
- July 5, 2026 · score 43 · 16.5 km
- August 13, 2026 · score 43 · 19.4 km
How we know
Confirmed by 11 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 32.1500, -81.1980 |
| Nearest City | Pooler (6 km) |
| Population Exposed | 280.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T22:44:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f2d4eaea2d7fee534b5cff5232df15758d3c4c61.002.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Chatham, GA |
| Headline | Flash Flood Warning issued May 27 at 6:44PM EDT until May 27 at 11:15PM EDT by NWS Charleston SC |
| Expires | 2026-05-27T23:15:00-04:00 |
| SenderName | NWS Charleston SC |
| HasExactCoords | true |
| Iem TypeSummary | R |
| Iem Magnitude | 3.44 |
| Iem Unit | inch |
| Iem City | 4 SE Rincon |
| Iem County | Effingham |
| Iem State | GA |
| Iem Wfo | CHS |
| Iem Remark | A USGS gage along Abercorn Creek measured 3.44 inches of rain between 3:15-6:30 pm. The peak hourly rainfall was 1.65 inches between 4:15-5:15 pm. |
| MergedSources | [{"id":"iem_E_32.140_-81.250_1779916800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779916800000,"latitude":32.14,"longitude":-81.25},{"id":"iem_R_32.240_-81.150_1779918300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779918300000,"latitude":32.24,"longitude":-81.15},{"id":"iem_R_32.130_-81.270_1779920100000","source":"iem","severity":"low","severityValue":25,"timestamp":1779920100000,"latitude":32.13,"longitude":-81.27},{"id":"iem_F_32.140_-81.250_1779919200000","source":"iem","severity":"low","severityValue":25,"timestamp":1779919200000,"latitude":32.14,"longitude":-81.25},{"id":"iem_R_32.170_-81.300_1779918240000","source":"iem","severity":"low","severityValue":25,"timestamp":1779918240000,"latitude":32.17,"longitude":-81.3},{"id":"iem_R_32.150_-81.260_1779920340000","source":"iem","severity":"low","severityValue":25,"timestamp":1779920340000,"latitude":32.15,"longitude":-81.26},{"id":"iem_F_32.130_-81.250_1779918060000","source":"iem","severity":"low","severityValue":25,"timestamp":1779918060000,"latitude":32.13,"longitude":-81.25},{"id":"iem_R_32.150_-81.270_1779919740000","source":"iem","severity":"low","severityValue":25,"timestamp":1779919740000,"latitude":32.15,"longitude":-81.27},{"id":"iem_R_32.250_-81.150_1779919200000","source":"iem","severity":"low","severityValue":25,"timestamp":1779919200000,"latitude":32.25,"longitude":-81.15},{"id":"iem_R_32.260_-81.180_1779921000000","source":"iem","severity":"low","severityValue":25,"timestamp":1779921000000,"latitude":32.26,"longitude":-81.18}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Pooler?
Calamity.live data shows a weather event with CalamityScore 43/100, near Pooler (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.