Livingstone Impact Outlook

Source: WRF d01 — init 2026-08-23 06:00 UTC (20260823_06z). Times shown are SAST.

Demonstration product -- see dashboard for the full disclaimer. Not an official warning service. Drag the slider below (or tap a timeline) to see every category's status at one specific time together.
23 Aug
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 Aug
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
25 Aug
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
26 Aug
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00

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
O
O
O
O

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
O
O
O
O

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
O
O
O
O

Hours per day with damaging wind:

Date (SAST)Hours >=strong breezeHours >=gale
23 Aug00
24 Aug00
25 Aug00
26 Aug00

Heat Index

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

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

Athlete Heat (WBGT)

Simplified outdoor Wet Bulb Globe Temperature

O
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
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

Moderate heat load expected (peak WBGT approx 23 degC around 14:00 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.

Livestock Heat (THI)

Temperature-Humidity Index

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

Species breakdown (peak THI ~73 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
O
O
O
O

Hours per night below each frost threshold:

Date (SAST)Hours <2CHours <0CHours <-2C
23 Aug000
24 Aug000
25 Aug000
26 Aug000

Spray Window

Rain-free + workable wind for agrochemical application

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
O
O
O
O
C
C
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

Fire Danger

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

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

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.

W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
G
G
G
G
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
G
G
G
G
G
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
G
G
G
W

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