Holy Cross Heat Safe

Holy Cross Athletic Fields

Waiting for weather data…

LIVE-STATION WBGT ESTIMATE

--.- °F

Weather source

Calculating current WBGT…

TAPPS • ACSM Class 3 activity guidance

Practice check pending PENDING

Observation time—

Observation age—

Required actions now

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Waiting for the current WBGT reading.

Football-specific guidance

Guidance will appear with the WBGT reading.

NWSTexas CalculatorCompare on weather.gov

Current weather inputs

Active source

Air temp--

Humidity--

Wind--

Sky--

The current WBGT is recalculated from the freshest available location weather source. Automatic mode prefers configured high-frequency station data, then a fresh location-model estimate, and falls back to NWS observations. It is still an estimate, not an on-field measurement.

Accuracy test panel

v1.4 test

While we validate the live calculation, enter the WBGT shown by the NWS Texas Calculator or UNC Convergence at the same time. The app will show the difference.

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Station—

Dew point—

Cloud cover—

Solar estimate—

NWS cross-checkLoading…

Next 8 hours

Forecast will appear after the first NWS update.

Field-safety note

Weather-grid WBGT is an estimate/forecast, not a measurement made at the field. For the most accurate field-level decision, use a scientifically approved on-site WBGT instrument when available.

NWS / NOAA

WBGT Forecast

Hourly WBGT values from the NWS forecast grid for the selected location. These values are forecasts, not on-field measurements.

Highest next 12h——

Lowest-risk next 12h——

Update the app to load the NWS WBGT forecast.

TAPPS 2026–27

Class 3 Guidance

WBGT is not air temperature or heat index. Holy Cross Heat Safe applies the TAPPS Class 3 thresholds below.

Policy reference

Always use the current TAPPS policy if it is updated after this app version was released.

Open TAPPS Wet Bulb Guidelines ↗

WHILE APP IS OPEN

Heat Alerts

WBGT threshold alertWarn when a new NWS or meter reading reaches your selected threshold while the app is open. Alert me at or above

Browser notification support varies by device. On iPhone, install the PWA to the Home Screen for the best notification support.

Version 1 limitation

Holy Cross Heat Safe does not continuously poll WBGT after the app is fully closed. Reliable background alerts require a push-notification service/backend in a later version.

APP

Settings

v1.4

Location Automatic refresh Current weather source Synoptic API token (optional)

If no Synoptic token is configured, Auto mode uses a fresh location-model estimate and keeps NWS as a cross-check/fallback. Tokens are stored only in this browser profile.

Install on iPhone

Open the hosted app in Safari.
Tap Share.
Choose Add to Home Screen.
Open Holy Cross Heat Safe from its HC icon.

Data sources

Current WBGT: calculated from the freshest active weather input. Auto mode prefers Synoptic high-frequency station data when a token is configured, otherwise uses a fresh location-model estimate, with NWS station data as fallback/cross-check. Every automatic value is labeled as an estimate.

Forecast WBGT: NWS raw forecast-grid wetBulbGlobeTemperature layer when available.

Field measurement: an on-site WBGT meter overrides all remote estimates.

Policy: TAPPS 2026–27 Class 3 WBGT guidance.

Open NWS Texas WBGT Calculator ↗