Dynamic Lightning (LPI): Registry/driver/lightning updates only

[BarryHLynn]

To add the Dynamic Lightning Scheme to the public version of WRF

New Feature

Lightning-Forecast Lightning Dynamic Lightning Scheme Cloud-to-ground-Lightning, Intracloud Lightning. (LPI code also updated to calculate 3d and 2d LPI)

[email protected]; [email protected] (Weather It Is, LTD and Hebrew University of Jerusalem)

DESCRIPTION OF CHANGES:

Registry/registry.dyn_light

dyn_em/solve_em.F

phys/Makefile

phys/module_calc_lpi_new.F

phys/module_ltng_pe.F

phys/module_ltng_strokes.F

phys/module_microphysics_driver.F

Just added/modified these routines (based on already published work going back to 2010).

ISSUE: For use when this PR closes an issue.
Fixes #123

RELEASE NOTE: Include a stand-alone message suitable for the inclusion in the minor and annual releases. A publication citation is appropriate. This is the Dynamic Lightning Scheme based originally on this paper.

Lynn, B. H., 2017: The Usefulness and Economic Value of Total Lightning Forecasts Made with a Dynamic Lightning Scheme Coupled with Lightning Data Assimilation. Wea. Forecasting, 32, 645–663, https://doi.org/10.1175/WAF-D-16-0031.1.

[BarryHLynn]

I accidentally uploaded an abbreviated version of registry.sbm_light. I have uploaded the complete file and all should be well.

[dudhia]

OK. We had some automatic checks that failed and will let you know what they are later. This could be special compilation options for example.

[BarryHLynn]

Hi Jimy: I just compiled the code I sent you on my machine without a problem. There is an extra variable, "l_obs," which I used to assimilate lightning. Rather than remove it, I just left it, since I may want to use it in the future. It's a new option; I didn't put it under the lightning option schemes (I don't remember why I did this but I think it was complicated merging it with the other codes). Barry

…

On Mon, Nov 3, 2025 at 11:12 AM dudhia ***@***.***> wrote: *dudhia* left a comment (wrf-model/WRF#2258) <#2258 (comment)> OK. We had some automatic checks that failed and will let you know what they are later. This could be special compilation options for example. — Reply to this email directly, view it on GitHub <#2258 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AKWLWRTJQYQT7ZYJKJTAMK3325WHPAVCNFSM6AAAAACK5MMZMCVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZTIOBRGM2DANRRGI> . You are receiving this because you authored the thread.Message ID: ***@***.***>

-- Barry H. Lynn, Ph.D Senior Scientist, Lecturer, The Institute of Earth Sciences, The Hebrew University of Jerusalem, Givat Ram, Jerusalem 91904, Israel Tel: 972 547 231 170 Fax: (972)-25662581 Weather It Is, LTD Weather and Climate Focus https://weather-it-is.com <http://weather-it-is.com> Jerusalem, Israel Local: 02 930 9525 Cell: 054 7 231 170 Int-IS: x972 2 930 9525