Mahikeng Campus Impact Outlook

Source: WRF d03 (3 km, convection-permitting) — init 2026-09-21 02:00 SAST (2026-09-21 00:00 UTC) (20260921_00z). Times shown are SAST.

Next 24h at a glance: STORM RAIN WIND HI WBGT THI FROST SPRAY FIRE SCHED

Demonstration product for campus operational planning; see NWU campus dashboard for the full disclaimer. Not an official warning service (SAWS only). Drag the slider below (or tap a timeline) to see every category's status at one specific time together.
O OK / favorable, no action needed C Caution / marginal, some care advised D Danger / act now, see the category's narrative below for specifics
21 Sep
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
22 Sep
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
23 Sep
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
24 Sep
00:00
01:00
02:00

Storm / Lightning

Storm/lightning-proxy risk (CAPE + graupel flux + reflectivity + hail)

O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O

No elevated risk expected this window; no adjustment needed.

Demonstration product; not an official warning service.

No elevated risk expected this window; no adjustment needed.

Demonstration product; not an official warning service.

Heavy Rain

Hourly rainfall rate

O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O

No elevated risk expected this window; no adjustment needed.

Demonstration product; not an official warning service.

No elevated risk expected this window; no adjustment needed.

Demonstration product; not an official warning service.

Wind

10 m wind gust

O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O

No elevated risk expected this window; no adjustment needed.

Demonstration product; not an official warning service.

No elevated risk expected this window; no adjustment needed.

Demonstration product; not an official warning service.

Hours per day with damaging wind:

Date (SAST)Hours >=strong breezeHours >=gale
21 Sep00
22 Sep00
23 Sep00
24 Sep00

Heat Index

NWS apparent-temperature (temp + humidity, public-facing heat metric)

O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
O
O
O
O
O
O
O
O

Warm conditions near 14:00 SAST; stay hydrated if outdoors.

Demonstration product; not an official warning service.

Athlete Heat (WBGT)

Simplified outdoor Wet Bulb Globe Temperature

O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C

Moderate heat load expected (peak WBGT approx 23 degC around 16:00 SAST). Athletes not yet used to these conditions should ease into full-intensity outdoor sessions and keep fluids available; a short acclimatization block is worth considering if this pattern continues.

Demonstration product; not an official warning service.

Livestock Heat (THI)

Temperature-Humidity Index

O
O
O
O
O
O
O
C
O
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
O
O
O
O
O

Moderate heat load near 13:00 SAST for all species; check water access.

Demonstration product; not an official warning service.

Species breakdown (peak THI ~72 over next 24h): Cattle: Caution Sheep: OK Goats: OK Pigs: Caution Poultry: OK

Frost

2 m temperature + radiative-cooling conditions

O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O

No elevated risk expected this window; no adjustment needed.

Demonstration product; not an official warning service.

Hours per night below each frost threshold:

Date (SAST)Hours <2CHours <0CHours <-2C
21 Sep000
22 Sep000
23 Sep000
24 Sep000

Spray Window

Rain-free + workable wind for agrochemical application

O
O
O
O
O
D
D
D
D
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O

No safe spray window in this period; rain or high wind expected through 11:00 SAST.

Demonstration product; not an official warning service.

Fire Danger

Fire-weather proxy: low humidity + wind + within-window dry spell.

O
O
O
O
O
O
O
O
C
O
C
C
O
O
C
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O

Elevated fire risk near 14:00 SAST; check any planned burning against this window.

Demonstration product; not an official warning service.

Elevated fire risk near 14:00 SAST.

Demonstration product; not an official warning service.

Irrigation Scheduling

Combines Irrigation Need + Evaporative Demand into one recommendation. Based only on model-simulated, rain-driven soil moisture, not on any irrigation already applied.

O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C

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