Aurora Outlook and Prediction for Sisimiut, Qeqqata

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Aurora Visibility30Fair

Kp: 2 | Bz: -9.42

Prediction32Weak Activity

Current Conditions: Little to no aurora activity in Sisimiut. Geomagnetic conditions are quiet. Skies are clear.

Predicted Outlook: Weak aurora activity currently. Faint auroras possible from high-latitude locations under dark skies.

Best Viewing Window: 5:41 AM – 5:56 AM -01 (0h 15m)

Bz -9.42 nT Aurora Weak Nautical Twilight Clear · 7% Prediction 32 · Weak Activity Waning Gibbous 95% Color Key

Space Weather Now

Kp (now)

Forecast Kp (today)

3.67

Bz (nT)

-9.42

HPI

7 Minimal

Dst (nT)

-35

Density (p/cc)

16.2

Speed (km/s)

419

Sky / Darkness

Clear Nautical Twilight

Sunspot Number

Timing: Now · Confidence: Moderate

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3-Day Forecast for Sisimiut, Qeqqata

Tonight's forecast peaks at Kp 2, and Sisimiut needs about Kp 1 for the aurora to clear the northern horizon, so it may be visible low to the north, though activity is still on the quiet side. It may even appear high overhead rather than just low on the northern horizon.

Aug 30

Quiet

Low chance of aurora - geomagnetic activity is expected to stay quiet.

Best time to look up: 2:00 AM–5:00 AM -01

10% chance of elevated activity · Kp 2 during viewing window

Aug 31

Quiet

Low chance of aurora - geomagnetic activity is expected to stay quiet.

Best time to look up: 11:00 PM–2:00 AM -01

10% chance of elevated activity · Kp 1.67 during viewing window

Sep 01

Forecast Pending

This night's forecast isn't in NOAA's 3-day window yet - check back closer to the date.

This night's forecast isn't available yet - check back closer to the date.

Aurora Oval & Satellite & Sun

Aurora Probability

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Interactive Aurora Globe

Full-size Aurora Globe

Satellite View

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National Weather Service

Sunspots

Current sunspot number: 73

SOHO

Coronal Mass Ejections

Space Weather Prediction Center

Solar Wind & IMF (GSM)

Bt: 10.8 nT
Bx: -4.8 nT
By: 2 nT
Bz: -9.42 nT
Clock Angle θ: -60.9°
Cone Angle φ: 157.8°
Speed: 419 km/s
Density: 16.2 p/cc

Real-time solar wind and interplanetary magnetic field, in geocentric solar magnetospheric (GSM) coordinates - the values the prediction model actually runs on.

IMF Detail (GSE) & Source

Bx: -4.8 nT
By: 5.9 nT
Bz: -7.7 nT
θ Angle: -45°
φ Angle: 129.4°
Satellite: SOLAR-1
Data Quality: Good
Reading Time: Aug 30, 5:36 AM -01

The same magnetic field reading in geocentric solar ecliptic (GSE) coordinates, plus which satellite it came from and how fresh it is.

Geomagnetic Indices

Kp (now): 2
Dst: -35 nT
HPI: 7 GW
Sunspot Number: 73

Headline storm-activity indices - Kp (planetary), Dst (ring current), HPI (hemispheric power), and today's sunspot count.

Aurora Model

Ovation Value: 6
Ovation Label: Weak
Model Data Time: Aug 30, 6:31 AM -01
Ovation Data: Live

NOAA's OVATION Prime output - how far south the aurora oval is likely to extend right now.

Scores & Ratings

Aurora Visibility: 30 · Fair
Aurora Visibility (w/ Moon): 30 · Fair
Prediction Score: 32 · Weak Activity

This page's three scores side by side - raw activity, moon/cloud-adjusted visibility, and the forecast.

Sky & Location

Cloud Cover: 7% · Clear
Solar Elevation: -7.1° · Nautical Twilight
Moon Phase: Waning Gibbous
Moon Illumination: 95%
Moon Altitude: 23.9° · Up
Latitude: 66.93946
Longitude: -53.6735
Geomagnetic Latitude: 75.5°
Horizon Threshold: Kp 1
Overhead Threshold: Kp 1

Local sky and moon conditions - what actually turns the raw aurora score into a real visibility score for this spot.

Prediction Model Inputs

Bz Persistence (60min): -3.1 nT
Newell Coupling: 15097
Dynamic Pressure: 4.8 nPa
Storm Watch (CME): —
Watch Predicted Kp: —

The individual weighted inputs - Bz persistence, coupling, pressure, CME timing - that combine into the Prediction score.

Timing & Confidence

Timing: Now
Confidence: Moderate
L1 Delay: ~3580 min
Best Viewing Window: 5:41 AM – 5:56 AM -01 (0h 15m)

How soon a solar wind change reaches Earth, how confident the model is right now, and today's best window to actually look up.

3-Day Kp Forecast

-01	Aug 30	Aug 31	Sep 01
11:00 PM–2:00 AM	2.67	1.67	1.67
2:00 AM–5:00 AM	3.67	2	1.33
5:00 AM–8:00 AM	3.67	1.67	1.67
8:00 AM–11:00 AM	2.67	1.67	1.33
11:00 AM–2:00 PM	1.67	1	1.33
2:00 PM–5:00 PM	1	1	1.33
5:00 PM–8:00 PM	1.67	0.67	1.33
8:00 PM–11:00 PM	2.67	2	1.67
Max	3.67	2	1.67
Ap Index	12	5	5

Storm Probability

Level	Aug 30	Aug 31	Sep 01
Active	40%	10%	10%
Minor storm	25%	1%	1%
Moderate storm	10%	1%	1%
Strong-Extreme storm	1%	1%	1%

NOAA SWPC's official 3-day Kp forecast and geomagnetic storm probability - an independent second opinion alongside this page's own real-time model.

Planetary K-index

Aug 27

Aug 28

Aug 29

Aug 30

Now

Aug 29

Aug 30

Aug 31

Sep 1

Quiet (Kp 0-3) Unsettled (Kp 4) Minor-Moderate Storm (Kp 5-6) Strong+ Storm (Kp 7-9) Forecast (hatched)

Interplanetary Magnetic Field Bz-8.1 nT now

Southward (negative) Bz favors aurora. Observed data only, no forecast product exists for Bz.

Total IMF Field Bt10.6 nT now

Total interplanetary magnetic field strength - the ceiling on how negative Bz can go. A rising Bt alongside a still-fluctuating Bz often leads a stronger southward turn. Observed data only, no forecast product exists for Bt.

Storm Trend40 now

Prediction score (0-100) over the last 24 hours, logged every 5 minutes. Red above 70, yellow 50-70, teal below 50 - same thresholds used everywhere else on this page. Dashed line is the overall trend.

Dst History-35 nT now

Kyoto Dst geomagnetic storm index over the last 24 hours. Negative = ring-current energy stored = an active storm, not just predicted. Red below −50nT, yellow −20 to −50nT, teal above −20nT.

Solar Wind Speed & Pressure

Speed: 406 km/s now Pressure: 3.9 nPa now

Each line is scaled independently to its own 24h range (different units) - watch the shape, not a shared axis. A rising speed line or a pressure spike can signal an incoming stream or shock before Bz/Dst move.

24-hour trend charts for the values above, so you can see whether conditions are building or fading.

Nerd Mode: See what’s really driving the score. Live solar wind, Bz, Kp, Dst, CME timing, and more. Data comes from NOAA SWPC and the Kyoto WDC, with a few metrics calculated here from the raw data. Live data refreshes every minute; trend charts every five.

Related Northern Lights Pages

Aurora Outlook and Prediction for Sisimiut, Qeqqata

Space Weather Now

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