Noticeable radio events of cycle 25
| Date | Radio Event | Context | Quicklook |
|---|---|---|---|
| 20 October 2020 13:24 - 13:36 | Small group of type III bursts, followed by a weak type II burst | B3.6 flare in NOAA AR 2776 |  |
| 22 November 2020 11:00 - 11:02 | Type III burst |  | |
| 22 November 2020 12:43 - 12:44 | Group of type III bursts |  | |
| 22 November 2020 13:59 - 14:01 14:17 - 14:20 | Groups of type III bursts |  | |
| 29 November 2020 12:49 - 13:20 | Groups of type III bursts and type II burst | M4.4 flare on the East limb |  |
| 06 December 2020 13:24 - 13:29 | Groups of decimetric type III bursts and/or pulsations Peak flux 304 SFU at 1415 MHz | C1.6 flare in NOAA AR 2790 |  |
| 14 December 2020 13:25 - 14:48 | Metric type II burst with decimetric emission/pulsations? | C4.0 flare (14:37 UT, peak time) in NOAA AR 2792 |  |
| 27 December 2020 11:35 - 11:40 | Group of type III bursts, with type U | B3.4 flare (11:37 UT, peak time) in NOAA AR 2795 |  |
| 28 April 2021 08:00 - 08:15 | Group of type III bursts, with type J |  | |
| 09 May 2021 13:51 - 14:08 | Type III bursts, decimetric pulsations | C4 flare in NOAA AR 2822 |  |
| 22 May 2021 11:12 - 11:27 | Group of type III bursts | C2.5 flare in NOAA AR 2824 |  |
| 22 May 2021 13:10 - 13:27 | Groups of type III bursts |  | |
| 22 May 2021 14:06 - 14:14 | Group of type III bursts local thunderstorm (14:15-14:19) | C1.1 flare in NOAA AR 2824 |  |
| 22 May 2021 15:00 - 15:30 | Groups of type III bursts | C3.2 flare in NOAA AR 2824 |  |
| 23 May 2021 09:16 - 09:28 | Group of type III bursts | C2.4 flare in NOAA AR 2824 |  |
| 23 May 2021 10:50 - 12:00 | Groups of type III bursts | M1.1 flare in NOAA AR 2824 |  |
| 23 May 2021 14:14 - 14:25 | Groups of type III bursts |  | |
| 9 June 2021 11:55 - 12:20 | Type II burst | B4.5 flare in NOAA AR 2827, prominence eruption on limb |  |
| 28 October 2021 15:20 - 16:10 | Type II and type IV burst Occurred at the end of Sun's tracking | X1.0 flare in NOAA AR 2887 |  |
| 20 December 2021 11:20 - 11:50 | Type II burst | M1.8 flare in NOAA AR 2909 |  |
| 28 March 2022 11:10 - 12:10 | Type II and type IV burst | M4 flare in NOAA AR 2975 |  |
22 April 2022 13:20 - 13:50 | Type II and decimetric "smooth" unidentified emission | M3.4 flare in NOAA AR 2993 |  |
29 April 2022 07:15 - 07:30 | Group of type III bursts, noise storm | M1.2 flare in NOAA AR 2996 |  |
30 April 2022 09:50 - 10:20 | Type III and type II bursts | M4.8 flare in NOAA AR 2994 |  |
30 April 2022 13:43 - 14:08 | Type III and type II bursts | X1.1 flare in NOAA AR 2994 |  |
10 May 2022 13:35 - 14:35 | High frequency type III bursts, type II and type IV bursts | X1.5 flare in NOAA AR 3006 |  |
15 August 2022 14:33 - 14:36 | High frequency type III bursts, reverse drift bursts | M1 flare in NOAA AR 3078 |  |
16 August 2022 07:54 - 08:20 | High frequency burst, type II and type IV | M5 flare in NOAA AR 3078 |  |
16 August 2022 14:30 - 15:30 | Type IV | C flares? |  |
17 August 2022 14:36 - 15:30 | Type IV, intense below 500 MHz | M2 and M1 flares in NOAA AR 3078 |  |
18 August 2022 10:00 - 11:30 | Type III and type IV | 2 M1 flares in NOAA AR 3078 |  |
26 August 2022 13:30 - 14:30 | Type IV | Flare in NOAA AR 3088 |  |
16 September 2022 09:00 - 12:00 | Type IV | C flares in NOAA AR 3098 |  |
20 September 2022 11:20 - 11:30 | Type III bursts and decimetric bursts | M1 flare in NOAA AR 3102 |  |
23 September 2022 13:40 - 14:10 | Type IV burst |  | |
27 September 2022 10:30 - 11:00 | Type II burst | Flare in NOAA AR 3105 |  |
29 September2022 11:50 - 12:20 | Decimetric burst and low frequency type II burst | C5.7 flare in NOAA AR 3112 |  |
03 October 2022 09:50 - 10:40 | Type IV burst | M4.2 flare in NOAA AR 3110 |  |
04 October 2022 12:50 - 14:00 | Type IV burst | M1.6 flare in NOAA AR 3110 |  |
11 October 2022 08:30 - 09:00 | Decimetric burst and type II burst | M3.9 flare in NOAA AR 3112 |  |
11 October 2022 10:45 - 11:10 | Decimetric burst and type II burst | M1.5 flare in NOAA AR 3112 |  |
12 October 2022 14:20 - 14:35 | Decimetric burst and type II burst | C8.8 flare in NOAA AR 3112 |  |
14 October 2022 09:30 - 10:30 | Type IV burst | M1.3 flare in NOAA AR 3119 |  |
19 November 2022 12:40 - 13:40 | Decimetric burst, pulsations and type II burst | M1.6 flare in NOAA AR 3150 |  |
14 December 2022 08:15 - 08:45 | Type II burst | M1.1 flare in NOAA AR 3165 |  |
| 30 April 2023 14:30 - 16:00 | Decimetric pulsations - necklace bursts | C3.9 flare in NOAA AR 3288 |  |
| 04 May 2023 08:00 - 11:00 | Low frequency type II burst. Type IV burst | M3.9 flare in NOAA AR 3296 |  |
| 05 May 2023 07:30 - 11:00 | Type IV burst | M2.1 flare in NOAA AR 3296 |  |
| 05 May 2023 15:20 - 15:50 | Type III bursts and pulsations | M1.2 flare in NOAA AR 3296 |  |
| 11 May 2023 08:40 - 09:20 | Low frequency type II burst. Decimetric burst | M2.1 flare in NOAA AR 3294 |  |
| 17 May 2023 15:00 - 15:30 | Low frequency type III and type II bursts | C4.3 flare in NOAA AR 3309 |  |
| 22 May 2023 13:20 - 14:00 | Type III bursts - Low frequency type II burst - noise storm | C7.2 flare in NOAA AR 3314 - M1.9 flare in NOAA AR 3311 |  |
| 30 May 2023 13:30 - 13:50 | Type III bursts - Type II burst | M1.4 flare in NOAA AR 3315 |  |
| 7 June 2023 11:30 - 12:00 | Decimetric burst | M4.7 flare in NOAA AR 3327 |  |
| 12 June 2023 06:50 - 07:20 | group of type III bursts and type II bursts | C5.2 flare in NOAA AR 3330 |  |
| 16 june 2023 10:20 - 11:00 | Decimetric pulsations | M1 flare in NOAA AR 3338 |  |
| 18 June 2023 13:30 - 14:00 | Decimetric continuum, group of type III bursts and weak type II burst | M2.5 flare in NOAA AR 3336 |  |
| 19 june 2023 12:00 - 12:30 | Type III bursts and possibly a type II burst | M1.1 flare in NOAA AR 3341 |  |
| 21 june 2023 15:30 - 16:00 | Type III bursts, decimetric bursts and type II burst | M1.0 flare in NOAA AR 3337 |  |
| ... | July -- August 2023 to be completed | ... | ... |
15 September 2023 08:55 - 09:05 | Homologous high frequency type III bursts | C1.9 flare in NOAA AR 3429 |  |
19 September 2023 09:25 - 10:00 | Group of high frequency type III bursts | M1.8 flare in NOAA AR 3435 |  |
20 September 2023 08:40 - 09:10 | Decimetric pulsation and zebra | Not clear |  |
20 September 2023 12:10 - 12:20 | Decimetric burst (pulsation, type III) | C3.4 flare in NOAA AR 3438 |  |
20 September 2023 14:10 - 14:30 | Decimetric burst and type III bursts | M8.2 flare in NOAA AR 3435 |  |
21 September 2023 12:45 - 13:30 | Decimetric burst and type III bursts | M8.7 flare in NOAA AR 3435 |  |
28 September 2023 09:05 - 09:10 | Decimetric burst and type III bursts | M1.2 flare in NOAA AR 3450 |  |
02 November 2023 12:20 - 12:30 | High frequency type III bursts, reverse drift, peculiar low frequency type III | C2.2 flare in NOAA AR 3474 |  |
23 November 2023 14:30 - 14:50 | High frequency type III bursts, nice type J bursts, type II burst | M1.6 flare in NOAA AR 3480 |  |
29 january 2024 10:00 - 10:45 | Group of type III (and U) bursts and type II | C5.4 flare |  |
09 February 2024 12:50 - 14:30 | Group of type III bursts and decimetric type IV | X3.3 flare in NOAA AR 3575 |  |
14 February 2024 07:20 - 07:50 | Group of type III, possibly weak type II Strong noise storm emission | M1 flare in NOAA AR 3576 |  |
16 February 2024 06:40 - 07:15 | Group of type III bursts and multiple type II bursts | X2 flare in NOAA AR 3576 |  |
17 February 2024 13:10 - 13:50 | Weak metric type II. Type II like emission in decimetric range | Optical subflare in NOAA AR 3583 |  |
28 February 2024 09:00 - 09:30 | Metric type II burst | C5.1 flare at S18E31 |  |
10 March 2024 12:00 - 12:30 | Pulsations and type II burst | M7.4 flare in NOAA AR 3599 |  |
Noticeable radio events of cycle 24
| Date | Radio Event | Context | Quicklook |
|---|---|---|---|
| 21 August 2015 09:35 - 10:15 Warning: time shift of ~ 30s (in advance TBC) | Pulsations, spikes in type IV burst; Low frequency type II (CALLISTO) | M1.4 flare in NOAA AR 12403 |  |
| 23 August 2015 09:50 - 10:00 Warning: time shift of ~ 30s (in advance TBC) | Group of type III bursts and narrow band patchy bursts | B9.8 flare in NOAA AR 12403; Jet in EUV; Strong interplanetary type III |  |
| 24 August 2015 07:20 - 07:45 Warning: time shift of ~ 30s (in advance TBC) | Complex event, with type III bursts, narrow band type III like bursts and pulsations | M5.6 flare in NOAA AR 12403; EUV wave Fermi observation up to 300 keV |  |
| 24 August 2015 10:10 - 10:30 Warning: time shift of ~ 30s (in advance TBC) | Group of type III bursts, some have metric spikes at origin | C1.6 flare in NOAA AR 12403. EUV jet |  |
| 24 August 2015 12:00 - 12:20 Warning: time shift of ~ 30s (in advance TBC) | Complex event with type III bursts, narrow band bursts, pulsations and a non-identified burst | C2.5 flare in NOAA AR 12403; EUV jet |  |
| 25 August 2015 10:20 - 10:40 Warning: time shift of ~ 30s (in advance TBC) | Groups of type III bursts | C1.7 flare in NOAA AR 12403; Multiple EUV jets Fermi observations, with multiple peaks |  |
| 13 October 2015 14:05 - 14:15 | Narrow band type III bursts & smooth continuum | C9.6 flare, East limb |  |
| 15 October 2015 07:40 - 07:50 | Two groups of type IIIs, some with reverse drift | C1.2 flare in NOAA AR 12434 Partial observation with RHESSI |  |
| 15 October 2015 10:40 - 10:50 | Group of type III bursts and narrow band bursts | C2.7 flare in NOAA AR12434 Fermi observations up to 50 keV |  |
| 15 October 2015 12:20 - 12:30 | A few type III bursts and narrow band bursts | C1.1 flare in NOAA AR 12434 Fermi observations up to 50 keV |  |
| 15 October 2015 13:40 - 13:55 | Narrow band bursts, maybe part of type II, a few type III bursts & smooth continuum | C3.6 flare in NOAA AR 12434 RHESSI observations up to 50 keV |  |
| 16 October 2015 08:53 - 09:03 | Groups of type IIIs bursts & short high frequency continuum-like emission | C3.1 flare in NOAA AR 12434 Partial RHESSI observation up to 50 keV |  |
| 16 October 2015 10:14 - 10:19 | Groups of type IIIs bursts (also U burst) & short high frequency continuum-like emission | C3.8 flare Limb event (East Limb) |  |
| 16 October 2015 12:45 - 12:55 | Weak groups of type IIIs bursts & short high frequency continuum-like emission Low frequency type II (CALLISTO) & possibly high frequency type II part? | C3.8 flare Limb event (East Limb) |  |
| 16 October 2015 13:19 - 13:23 | Groups of type III bursts & short high frequency continuum-like emission Again, low frequency type II (CALLISTO) | C4.3 flare, limb event (East Limb) RHESSI observation up to 300 keV? |  |
| 16 October 2015 13:35 - 13:43 | Groups of type IIIs, patchy bursts & short high frequency continuum-like emission | C4.2 flare in NOAA AR 12434 |  |
| 17 October 2015 09:25 - 09:30 | Small group of type III bursts | C1.6 flare in NOAA AR 12434? (not reported by NOAA) |  |
| 17 October 2015 12:50 - 13:00 | Group of type IIIs | C2.3 flare in NOAA AR 12434 |  |
| 18 October 2015 08:51 - 08:56 | Nice group of type IIIs | C1.3 flare in NOAA AR 12431 RHESSI observations up to 12 keV |  |
| 20 October 2015 07:23 - 07:28 | Small group of type U/J bursts, reverse drift | C1 flare in NOAA AR 12436 RHESSI observations up to 25 keV |  |
| 20 October 2015 09:50 - 09:55 | Group of high freq. (> 1 GHz) pulsations | ? |  |
| 21 October 2015 11:13 - 11:20 | Small group of metric type III | Tiny brightening in NOAA AR 12436 |  |
| 21 October 2015 11:50 - 12:05 | Group of type III bursts and high frequency continuum-like emission Possible high frequency type II (F+H band) Continues after 12:05 with weak emissions at high and low freq. (type IV), until 13:00 | C2.6 flare in NOAA AR 12436 RHESSI observations up to 100 keV |  |
| 21 October 2015 13:55 - 14:00 | Complex groups of type III Fine structures | C1.7 flare in NOAA AR 12436 RHESSI observations up to 50 keV |  |
| 22 October 2015 10:16 - 10:21 | Small group of type J bursts and possibly narrow band type III bursts | C1.1 flare in NOAA AR 12437? (not reported) RHESSI observations up to 50 keV |  |
| 22 October 2015 12:56 - 13:01 | Group of type U/J bursts | ? |  |
| 26 October 2015 10:24 - 10:29 | Zebra bursts between 900 and 1500 MHz Group of type III bursts/broad band pulsations below 600 MHz | C2.2 flare in NOAA AR 12437 RHESSI data up to 25 keV |  |
| 28 October 2015 09:32 - 09:38 | Spikes, pulsations, patchy bursts and metric part of IP type III bursts (below 600 MHz) | C1.9 flare in NOAA AR 12436 (close to limb) RHESSI observation up to 25 keV |  |
| 04 November 2015 08:35 - 08:40 | Small groups of type III bursts | Small flaring in NOAA AR 12445, TBC |  |
| 04 November 2015 08:55 - 09:02 | High freq. continuum and low freq. group of narrow band type III-like bursts | C4.6 flare in NOAA AR 12445 RHESSI and Fermi observations up to 100 keV |  |
| 04 November 2015 09:20 - 09:30 | Group of type III bursts with continuation to IP space | Small flaring in NOAA AR 12445, TBC |  |
| 04 November 2015 12:00 - 12:06 | High frequency type II (>700 MHz) | M2.5 flare in NOAA AR 12445 (limb event) RHESSI data up to 300 keV |  |
| 04 November 2015 13:40 - 15:30 | High frequency type IV burst | M3.7 flare in NOAA AR 12443 Partial observations with RHESSI up to 100 keV | 13:30 - 14:00 14:00 - 14:30 14:30 - 15:00 15:00 - 15:30 |
| 09 November 2015 13:40 - 14:10 (partial radio observations due to telescope tracking problems) | Pulsations | M3.9 flare in NOAA AR 12449 |  |
| 09 November 2015 14:35 - 15:30 (partial radio observations due to telescope tracking problems) | Type IV | M3.9 flare in NOAA AR 12449 | |
| 07 December 2015 14:40 - 14:55 | Type IV-like, looks like a pseudo-type II Possibly precursor of type II burst seen in CALLISTO | Limb eruption/CME (East limb) |  |
| 14 December 2015 14:05 - 14:15 | Loose group of type III bursts | B7.6 flare in NOAA AR 12470 RHESSI observations up to 25 keV |  |
| 19 December 2015 12:55 - 13:15 | Possibly type IV, looks like a pseudo-type II, high frequency (1500 MHz) Type II in Metric range (CALLISTO) | Limb eruption/CME (East limb), occulted flare RHESSI observations up to 25 keV |  |
| 27 December 2015 11:55 - 12:05 | High freq. counterpart of metric (CALLISTO) type III | B9.7 flare in NOAA AR 12473 Fermi observations up to 50 keV |  |
| 28 December 2015 11:20 - 12:25 | High frequency type IV Pulsations, fiber bursts and Zebra | M1.8 flare in NOAA 12473 AR Very partial RHESSI observations | |
| 07 January 2016 12:35 - 12:45 | Group of type III bursts | B4.3 flare in NOAA AR 12480 RHESSI up to 25 keV |  |
| 15 January 2016 13:25 - 13:30 | Small group of type III like bursts Reverse drift | B5.1 flare in NOAA AR 12480 RHESSI up to 25 keV |  |
| 12 February 2016 10:35 - 10:50 | Small group of type J-U like bursts, isolated type III-like, short high frequency continuum-like emission | M1.0 flare in NOAA AR 12497 RHESSI observations up to 50 keV |  |
| 13 February 2016 08:25 - 08:35 | Small group of narrow band type III bursts & short high frequency continuum-like emission | C1.1 flare in NOAA AR 12497 RHESSI observations up to 25 keV |  |
| 14 February 2016 09:33 - 09:38 | Group of high freq. type III(/U?) | Probably linked to small flaring activity in NOAA AR 112497 RHESSI observations up to 25 keV |  |
| 14 February 2016 10:10 - 10:20 | Small group of high freq. type III like bursts | C6.9 flare in NOAA AR 12497 RHESSI observations up to 50 keV? (TBC) |  |
| 06 March 2016 07:41 - 07:46 | Nice groups of type III (with metric counterpart, CALLISTO observations) | B-class flares in NOAA AR 12512 |  |
| 06 March 2016 09:20 - 09:45 | Groups of decimetric type III and pulsations | B5.1 flare in NOAA 12512 No RHESSI |  |
| 14 April 2016 13:15 - 13:30 | Group of decimetric type III Lots of structures High frequency continuum-like emission | C1.8 flare in NOAA AR 12529 No RHESSI |  |
| 15 April 2016 13:25 - 13:30 | Group of decimetric type III Structures and reverse drift bursts | Small flare in AR 12529 (from SDO observations) |  |
| 28 April 2016 08:45 - 08:55 | Group of type III bursts | C1.7 flare in NOAA AR 12535 No RHESSI |  |
| 28 April 2016 12:45 - 12:55 | Group of type III like bursts | C1.9 flare in NOAA AR 12535 No RHESSI |  |
| 02 May 2016 08:34 - 08:40 | Group of type IIIs (with reverse drift), & high frequency burst Low frequency type II (CALLISTO) | C3.8 flare. Limb event (East Limb) RHESSI observations up to 50 keV |  |
| 14 May 2016 09:25 - 09:40 | Groups of type IIIs, pulsations | C2.5 flare in NOAA AR 12543 RHESSI observations up to 25 keV |  |
| 14 May 2016 11:30 - 11:40 | Group of type IIIs | C7.54 flare in NOAA AR 12543 RHESSI observations up to 50 keV |  |
| 21 May 2016 13:55 - 14:05 | Decimetric type IIIs/pulsations, patchy emissions | C1.0 flare in NOAA AR 12546 No RHESSI |  |
| 30 May 2016 07:33 - 07:38 | Type II burst | C1.4 flare in NOAA AR 12550; Nice EUV wave; RHESSI and Fermi observations up to 25 keV |  |
| 15 June 2016 13:00 - 13:10 | Group of type III bursts | B4.2 flare on West limb No RHESSI data |  |
| 19 June 2016 11:45 - 12:10 | Decimetric pulsations, type IIIs | C1.7 flare in NOAA AR 12558 No RHESSI |  |
| 07 July 2016 07:52 - 08:00 | Faint decimetric type IIIs | C5.1 flare in unnumbered NOAA region |  |
| 18 July 2016 08:10 - 08:20 | Spikes, high freq. burst and pulsations | C4.4 flare in NOAA AR 12565 Fermi observation up to 25 keV |  |
| 19 July 2016 13:55 - 14:10 | Spikes on high frequency continuum-like emission, pulsations | C1.4 flare in NOAA AR 12565 |  |
| 21 July 2016 12:49 - 12:55 | Spikes, high frequency continuum-like emission, pulsations, patchy bursts and type IIIs | C9.1 flare in NOAA AR 12567 |  |
| 26 July 2016 07:40 - 07:47 | Type IIIs & pulsations | B2.2 flare on West limb RHESSI observations up to 12 keV |  |
| 08 August 2016 08:40 - 09:00 | Pulsations, group of type IIIs | C2.8 flare in NOAA AR 12572 Fermi data up to 50 keV |  |
| 08 August 2016 10:38 - 10:43 | Pulsations/continuum pulses | C5.6 flare in NOAA AR 12574 |  |
