Magnetic storms in Slonim
Magnetic storms in Slonim, Grodnenskaya today. Current Kp index, 3-day forecast for Slonim, local time, geomagnetic latitude and aurora visibility chance.
Data as of 24 Aug, 07:45 (Europe/Minsk).
Weather in Slonim
Weather data: Open-Meteo (CC BY).
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Local context
Sensitivity · Slonim
Medium sensitivity (mid latitudes)
Kp is a planetary index — the same globally. Local impact depends on geomagnetic latitude: the higher it is, the more noticeable the storm.
14-day calendar with Kp, moon and cloud factors
Seven quick questions and personal tips
Geomagnetic context for Slonim
Magnetic storm in Slonim: 3-day Kp chart
Aurora forecast in Slonim
| Date | Max Kp | Moon | Clouds | Score | Outlook |
|---|---|---|---|---|---|
| Mon, Aug 24 | 1.7 | 82% | 45% | 0 | Auroras are very unlikely tonight. |
| Tue, Aug 25 | 1.7 | 90% | 39% | 0 | Auroras are very unlikely tonight. |
| Wed, Aug 26 | 1.7 | 95% | 15% | 0 | Auroras are very unlikely tonight. |
| Thu, Aug 27 | 1.7 | 99% | 31% | 0 | Auroras are very unlikely tonight. |
| Fri, Aug 28 | 3.0* | 100% | 28% | 0 | Auroras are very unlikely tonight. |
| Sat, Aug 29 | 3.0* | 99% | 98% | 0 | Auroras are very unlikely tonight. |
| Sun, Aug 30 | 3.0* | 96% | 56% | 0 | Auroras are very unlikely tonight. |
| Mon, Aug 31 | 3.0* | 91% | 48% | 0 | Auroras are very unlikely tonight. |
| Tue, Sep 01 | 3.0* | 84% | 77% | 0 | Auroras are very unlikely tonight. |
| Wed, Sep 02 | 3.0* | 75% | 42% | 0 | Auroras are very unlikely tonight. |
| Thu, Sep 03 | 3.0* | 65% | 51% | 0 | Auroras are very unlikely tonight. |
| Fri, Sep 04 | 3.0* | 55% | 52% | 0 | Auroras are very unlikely tonight. |
| Sat, Sep 05 | 3.0* | 44% | 56% | 0 | Auroras are very unlikely tonight. |
| Sun, Sep 06 | 3.0* | 34% | 30% | 0 | Auroras are very unlikely tonight. |
- Mon, Aug 240Max Kp: 1.7Moon: 82%Clouds: 45%Auroras are very unlikely tonight.
- Tue, Aug 250Max Kp: 1.7Moon: 90%Clouds: 39%Auroras are very unlikely tonight.
- Wed, Aug 260Max Kp: 1.7Moon: 95%Clouds: 15%Auroras are very unlikely tonight.
- Thu, Aug 270Max Kp: 1.7Moon: 99%Clouds: 31%Auroras are very unlikely tonight.
- Fri, Aug 280Max Kp: 3.0*Moon: 100%Clouds: 28%Auroras are very unlikely tonight.
- Sat, Aug 290Max Kp: 3.0*Moon: 99%Clouds: 98%Auroras are very unlikely tonight.
- Sun, Aug 300Max Kp: 3.0*Moon: 96%Clouds: 56%Auroras are very unlikely tonight.
- Mon, Aug 310Max Kp: 3.0*Moon: 91%Clouds: 48%Auroras are very unlikely tonight.
- Tue, Sep 010Max Kp: 3.0*Moon: 84%Clouds: 77%Auroras are very unlikely tonight.
- Wed, Sep 020Max Kp: 3.0*Moon: 75%Clouds: 42%Auroras are very unlikely tonight.
- Thu, Sep 030Max Kp: 3.0*Moon: 65%Clouds: 51%Auroras are very unlikely tonight.
- Fri, Sep 040Max Kp: 3.0*Moon: 55%Clouds: 52%Auroras are very unlikely tonight.
- Sat, Sep 050Max Kp: 3.0*Moon: 44%Clouds: 56%Auroras are very unlikely tonight.
- Sun, Sep 060Max Kp: 3.0*Moon: 34%Clouds: 30%Auroras are very unlikely tonight.
* Days marked with an asterisk do not have a direct NOAA forecast yet. If we have observations from 27 days ago, we use Bartels recurrence (the Sun rotates roughly every 27 days, so active regions often return with the same period). When no history is available, we substitute a baseline value typical for the current solar cycle 25 peak (Kp 3.0). Accuracy is lower than the direct three-day forecast.
How the score works
The composite score combines three signals: how strong the storm needs to be at your geomagnetic latitude, how bright the moon will be (a full moon hides faint auroras), and how cloudy the sky will be that night. A score of 70 or higher is excellent, 45 to 70 is good, below 20 means you probably will not see anything.
Magnetic storms in Slonim over the last 30 days
Geomagnetic storms of class G1 and above recorded over the past month. Times are shown in the city's local timezone (GMT+3).
In Slonim (geomagnetic latitude 50.8°), auroras are possible from Kp ≥ 9.
| Date | Peak | Max Kp | Level | Duration | Aurora visible |
|---|---|---|---|---|---|
| 06:00 | 5.0 | G1 | 3 h | No | |
| 21:00 | 5.3 | G1 | 3 h | No | |
| 06:00 | 5.0 | G1 | 3 h | No |
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About magnetic storms in Slonim
Magnetic storm in Slonim today: planetary Kp = 0.3 (quiet). Over the last 7 days the maximum Kp above Slonim reached 5.3 (G1); storm days (G1+) this week: 2.
Slonim sits at geomagnetic latitude 50.8°. The nearest magnetic observatory continuously recording the field is Minsk, 230 km away. Population 48,907.
Slonim is located at mid-latitudes (50.8°), where storm effects on the body are usually mild and noticeable mainly during severe G4 to G5 events. At Kp ≥ 6, some weather-sensitive people may report pressure swings, headaches or restless sleep; routine precautions like extra hydration, less caffeine and lighter physical load during the strongest events are usually enough.
For most technical systems in Slonim (50.8°, mid-latitudes), routine geomagnetic activity has little practical effect. Noticeable GPS, HF radio or grid issues are largely confined to severe G4 to G5 storms. Long-haul drivers, surveyors and HF operators in the region may want to check the forecast during the strongest events. Source: NOAA Space Weather Prediction Center, refreshed every 10 minutes.
Over Slonim during the last 24 hours. Kp reached a maximum of 2.3 around 03:00 local time and dipped to 0.7. The planetary trend over the past 6 hours is rising — conditions near Slonim may intensify further. So far this month the planet has logged 2 days with a G1 or stronger geomagnetic storm.
Aurora visibility threshold for Slonim. At a geomagnetic latitude of 50.8°, the minimum Kp giving a realistic chance of visible auroras above Slonim is about Kp ≥ 6. The current equatorial Dst index is 0 nT — the magnetosphere is in a quiet phase. Dst complements Kp by showing how long and how deep a storm's main phase has been — useful context when checking whether auroras are likely tonight.
Weather and atmospheric pressure in Slonim right now. Temperature +13.6°C, atmospheric pressure 749.8 mm Hg (999.7 hPa), cloud cover 0%, humidity 85%, wind 11.5 km/h. During G1+ geomagnetic storms, swings in atmospheric pressure tend to amplify symptoms for weather-sensitive people: those with hypertension often notice blood-pressure spikes, and readings below 1000 hPa combined with Kp ≥ 5 frequently bring headaches and fatigue. That is why the Slonim page shows both indicators side by side. Weather data from Open-Meteo (CC BY).
Aurora viewing window for Slonim tonight. Sunset is at 20:26 local time, sunrise tomorrow at 06:15. Moon phase — waxing gibbous with 84% disk illumination. The Moon is close to full tonight, so moonlight will be strong and faint auroras will be harder to spot — wait for Kp ≥ 6 or pick a darker site..