weather forecasting and emergency alerts

Recent window: last 5.3 months (2026-04-28 → 2026-10-06), compared with the prior 5.3 months.

horizontal · 100 members · Data as of 2026-10-09

These products deliver real-time weather forecasts, storm tracking, and environmental emergency updates. They are used by everyday consumers, travelers, and emergency-conscious individuals to plan activities and stay safe during severe events. This cluster is distinguished by its focus on meteorological data visualization and disaster preparedness rather than broad mapping or travel planning.

Metrics

Stage: heating
Recent count: 82
Prior count: 8
Total count: 100
Momentum: 300.00
Attention: 0.49
Crowding: 0.41
Concentration: 0.80
Opportunity: 0.57

Opportunity components

Attention: 0.49
Low crowding: 0.59
Momentum (normalized): 1.00
Low concentration: 0.20

Source split

github: 8 (0.10)
hn: 11 (0.13)
ph: 62 (0.76)
yc: 1 (0.01)

Dominant source: ph · Divergence: 0.74

Similar niches

weather and environmental monitoring tools (0.77)
time zones, clocks, and scheduling tools (0.45)
global data and map visualizations (0.34)
interactive maps and navigation tools (0.34)
creative web utilities and visualizations (0.33)
meeting scheduling and calendar automation (0.31)
interactive maps and geospatial tools (0.30)
interactive maps and spatial visualizations (0.30)

Monthly trajectory

Members

Name	Source	Upvotes ▼	Launched
Brolly, a plain-text weather forecast site	HN	228	2026-07-25
Safe-now.live	HN	195	2026-02-03
changelog.earth	GITHUB	99	2026-09-19
Sundial	HN	66	2026-03-31
I built a navigation app that displays weather along the route	HN	55	2026-04-06
World Signal	PH	52	2026-09-25
hk-traffic-intelligence	GITHUB	49	2026-09-29
StormWatch	HN	45	2026-01-24
Overcast	GITHUB	39	2026-10-01
weather-app	GITHUB	26	2026-09-24
AeroBrief	GITHUB	20	2026-09-13
NukeCast	HN	18	2026-01-26
Precip - Know exactly when it'll rain, down to the minute	YC	18	2026-09-30
weathermapreal	GITHUB	17	2026-09-11
I built a Red Flag Warning zone-check tool for the East Bay in 48h	HN	17	2026-06-11
offline-survival-manual	GITHUB	15	2026-09-14
Mstat a temperature and stat tracker for macOS in Zig and SwiftUI	HN	13	2026-08-03
I built a weather site for the Eastern Caribbean	HN	12	2026-04-09
Windows 95–style Weather App for iPhone	HN	12	2026-03-28
Flinder	PH	10	2026-09-24
Nimbus-Weather	GITHUB	10	2026-09-27
linecast	HN	9	2026-08-23
GrayCloud	HN	8	2026-06-04
Free weather map with 25 model layers, live lightning and storm cells	HN	8	2026-07-29
Big Weather	PH	8	2026-09-26
Snow Day Calculator	PH	7	2026-09-25
Ranking weather models by how their forecasts turned out	HN	7	2026-08-06
Interactive Diesel Price Forecaster	HN	7	2026-09-29
I built a Red Flag Warning zone-check tool for the East Bay in 48h	HN	6	2026-06-11
Experiments with Weather Data	HN	6	2026-07-29
Weather app to show actual performance of weather models	HN	5	2026-05-04
TerraShift: What does +2°C (or -20°C) look like on Earth?	HN	5	2026-03-17
GodsView AI	PH	4	2026-10-07
Altihélie	PH	4	2026-09-11
Thermohélie	PH	3	2026-09-15
mWater Horizon	PH	3	2026-09-19
Domihélie	PH	3	2026-09-21
Éire Weather	PH	3	2026-10-05
Agrihélie	PH	3	2026-09-24
Sunday By Valkence - Global Activities	PH	3	2026-09-25
Strata: Weather & Sky	PH	3	2026-09-18
Play or Postpone	PH	2	2026-09-11
Sunny by WeatherTrends360	PH	2	2026-10-09
NewsJack	PH	2	2026-09-10
BRADIOS	PH	2	2026-09-11
Skouta	PH	2	2026-09-14
WHIF	PH	2	2026-09-17
ChillCheck: Temperature Log	PH	2	2026-09-07
Power Watch	PH	2	2026-09-22
Ukrainevents	PH	2	2026-09-27