Calamity
mediumSevere weatherCalamity Score: 43

Severe weather in United States

StoneUnited StatesNOAA

This alert expired on 30 June 2026 at 19:00 UTC. It is kept here as a record.

It is the 22nd strongest of the 141 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 29 June 2026. 53 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Flood Warning issued June 29 at 7:57PM CDT until July 6 at 9:00PM CDT by NWS New Orleans LA

An estimated 222,013 people live within 50 km of this point.

Nearby, since 12 March 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 43 out of 100, at 80 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Event Data

TypeSevere weather
Severitymedium
Calamity Score (ours)43 / 100
Our confidence80%
Coordinates30.7308, -89.1650
Nearest CityWest Gulfport (37 km)
Population Exposed222.0K within 50 km
Impact Tiersignificant
Timestamp2026-06-30T00:57:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.6b7753520d92e8966f3034b73a297af0

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventFlood Warning
UrgencyImmediate
CertaintyObserved
AreaDescSt. Tammany, LA; Hancock, MS; Pearl River, MS; Washington, LA; Pearl River, MS; George, MS; Greene, MS and 1 more areas
HeadlineFlood Warning issued June 29 at 7:57PM CDT until July 6 at 9:00PM CDT by NWS New Orleans LA
Expires2026-06-30T14:00:00-05:00
SenderNameNWS New Orleans LA
HasExactCoordstrue
MergedCount4
MergedIds["noaa_urn:oid:2.49.0.1.840.0.6b7753520d92e8966f3034b73a297af018fcff53.001.1","noaa_urn:oid:2.49.0.1.840.0.6b7753520d92e8966f3034b73a297af018fcff53.002.1","noaa_urn:oid:2.49.0.1.840.0.ed0efbc1652259ea9d37642147fe11ed7822e061.001.1","noaa_urn:oid:2.49.0.1.840.0.359fcf150784399e6629f3e8cd293601681e87a0.001.1"]

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.

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Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.