NOAA Space Weather Prediction Center engagement report
@NWSSWPC - 240K followers on X
Measured over 13 original posts from a 30-day window, last computed on September 10, 2026.
Engagement
A typical post picks up 192 interactions against 240K followers, an engagement rate of 0.08%. Measured over 13 original posts, its engagement rate beats 46% of 6,874 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 18K times each, and 1.07% of those impressions turn into an interaction. That is about 7.51% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.43 posts a day over the last 30 days, though only 33% of days saw any activity at all. Most posts go out around 20:00 UTC, and Tuesday is the busiest day of the week. Of the 13 posts sampled, 38% carry an image or video and 62% link out. The account's strongest tracked post pulled 503 interactions, about 2.6x its own typical post.
Measured over 13 original posts from a 30-day window, last computed on September 10, 2026.
Compared with accounts its own size
NOAA Space Weather Prediction Center's engagement rate beats 46% of the tracked X accounts closest to it in follower count (6,874 accounts, accounts of similar size (decile 6 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.
On engagement per impression rather than per follower it beats 45% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.
Where this sits in the catalog
At 0.08%, NOAA Space Weather Prediction Center sits above the 25th percentile of the 66,393 accounts in this comparison. That places it in the below the median band, which runs 0.016% to 0.1%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.002% |
| 25th percentile | 0.016% |
| 50th percentile | 0.1% |
| 75th percentile | 0.499% |
| 90th percentile | 2.09% |
| 99th percentile | 119.5% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 20:00 UTC, and Tuesday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 89K |
| 01:00 UTC | -2% | 90K |
| 02:00 UTC | -3% | 88K |
| 03:00 UTC | -4% | 94K |
| 04:00 UTC | -5% | 76K |
| 05:00 UTC | -4% | 75K |
| 06:00 UTC | -5% | 86K |
| 07:00 UTC | -5% | 93K |
| 08:00 UTC | -4% | 108K |
| 09:00 UTC | -4% | 124K |
| 10:00 UTC | -3% | 129K |
| 11:00 UTC | -3% | 141K |
| 12:00 UTC | -3% | 154K |
| 13:00 UTC | -3% | 167K |
| 14:00 UTC | -4% | 173K |
| 15:00 UTC | -2% | 176K |
| 16:00 UTC | -3% | 171K |
| 17:00 UTC | -3% | 159K |
| 18:00 UTC | -2% | 149K |
| 19:00 UTC | -2% | 141K |
| 20:00 UTC | -1% | 131K |
| 21:00 UTC | 0% | 116K |
| 22:00 UTC | -2% | 100K |
| 23:00 UTC | -1% | 90K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 393K |
| Monday | +1% | 483K |
| Tuesday | -2% | 520K |
| Wednesday | -3% | 472K |
| Thursday | -2% | 430K |
| Friday | -3% | 447K |
| Saturday | +2% | 393K |
Formats this account uses
Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.
| Format | This account | Catalog effect | 95% interval | Accounts behind it |
|---|---|---|---|---|
| Image or video | 38% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 62% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | no effect | -2% to -1% | 42K |
- 38% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
- 62% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts, so a large share of this account's output sits in the weakest bucket we measure.
- Its average post runs 217 characters, which falls in the 180 - 280 characters band. Across the catalog, posts of 180 to 280 characters match the same accounts' other posts almost exactly.
These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.
Best tweets
- Jul 4, 20262.6x their median
WARNING: Geomagnetic K-index of 7 or greater expected Valid From: 2026 Jul 04 0500 UTC Valid To: 2026 Jul 05 1200 UTC Warning Conditions: Onset Noaa Scale: G3 - Greater Comment: NOAA Scale: G3 - Greater Issue Time: 2026 Jul 04 0501 UTC https://t.co/ZbtuNtJdza
- Jul 4, 20262.5x their median
An X1.3 flare was observed at 20:41 UTC on 04 Jul 2026 from newly numbered Sunspot Region 4482. https://t.co/ZmyAhPOdLg
- Aug 26, 20262.3x their median
Geomagnetic activity in response to CMEs that departed the Sun on 25 Aug is now anticipated to extend into 29 Aug. A G1 (Minor) geomagnetic storm watch remains for 27 Aug for expected CH HSS influences and a G2 (Moderate) geomagnetic storm watch is now active for 28-29 Aug. https://t.co/xgOraPPqKh
- Aug 25, 20262.2x their median
A G1 (Minor) geomagnetic storm watch has been issued for 27 Aug for expected CH HSS influences and a G2 (Moderate) geomagnetic storm watch has been issued for 28 Aug for the anticipated arrival of CMEs that left the Sun on 25 Aug. https://t.co/2Z9sx190CE
- Sep 8, 20262.2x their median
EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2262 Valid From: 2026 Sep 07 2000 UTC Now Valid Until: 2026 Sep 08 1800 UTC Warning Condition: Persistence Issue Time: 2026 Sep 08 0546 UTC https://t.co/Sq7yuY89ZB
- Jul 4, 20261.7x their median
G3 (Strong) geomagnetic storm levels were reached at 04/0509 UTC (03/1109 MDT) in response to the likely arrival of the CME from 30 Jun. Stay tuned to our webpage for updates. https://t.co/KgtrEaKxYR
- Sep 7, 20261.6x their median
WARNING: Geomagnetic K-index of 5 expected Valid From: 2026 Sep 07 2000 UTC Valid To: 2026 Sep 08 0600 UTC Warning Conditions: Onset Noaa Scale: G1 - Minor Comment: Issue Time: 2026 Sep 07 2001 UTC https://t.co/Sq7yuY89ZB
- Aug 8, 2026
G2 (Moderate) geomagnetic storm conditions were observed on 08 Aug following the arrival of a suspected slow moving CME, likely from 05-06 Aug. Conditions could last for the next several hours. Monitor our webpage for updates. https://t.co/pIrUh7mAlv
- Aug 2, 2026
WARNING: Geomagnetic K-index of 6 expected Valid From: 2026 Aug 02 1745 UTC Valid To: 2026 Aug 02 2359 UTC Warning Conditions: Onset Noaa Scale: G2 - Moderate Comment: Issue Time: 2026 Aug 02 1746 UTC https://t.co/ZbtuNtJdza
- Aug 3, 2026
EXTENDED WARNING: Geomagnetic K-index of 5 expected Extension to Serial Number: 2254 Valid From: 2026 Aug 02 1427 UTC Now Valid Until: 2026 Aug 03 1500 UTC Warning Condition: Persistence Issue Time: 2026 Aug 03 0253 UTC https://t.co/ZbtuNtJdza
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
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Reading these numbers
A typical post picks up 192 interactions against 240K followers, an engagement rate of 0.08%. Measured over 13 original posts, its engagement rate beats 46% of 6,874 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 18K times each, and 1.07% of those impressions turn into an interaction. That is about 7.51% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 0.43 posts a day over the last 30 days, though only 33% of days saw any activity at all. Most posts go out around 20:00 UTC, and Tuesday is the busiest day of the week. Of the 13 posts sampled, 38% carry an image or video and 62% link out. The account's strongest tracked post pulled 503 interactions, about 2.6x its own typical post.
- What is NOAA Space Weather Prediction Center's engagement rate on X?
- NOAA Space Weather Prediction Center (@NWSSWPC) has an engagement rate of 0.08%, based on the median interactions across 13 original posts from the last 30 days against 239,553 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.08%, NOAA Space Weather Prediction Center sits above the 25th percentile of the 66,393 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @NWSSWPC have real engagement?
- Its engagement rate beats 46% of the tracked X accounts closest to it in follower count (6,874 accounts), which puts it in the middle of its size range group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
- When does @NWSSWPC post?
- Most posts go out around 20:00 UTC, and Tuesday is its busiest day, at roughly 0.43 posts per day across the measured window.