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Questions regarding the relationship between NUMPAR and MAXPAR

Last post by MoMo « July 17th, 2026, 12:47 pm
Posted in Dispersion Model

by MoMo » July 17th, 2026, 12:47 pm » in Dispersion Model

0 Replies

71 Views

Last post by MoMo
July 17th, 2026, 12:47 pm
Query on Temporal Resolution and Integration Parameters for GHG Back-Trajectory Analysis in Semi-Arid Regions

Last post by adammendoza582 « June 3rd, 2026, 11:25 pm
Posted in General questions on meteorological data needed for HYSPLIT

by adammendoza582 » June 3rd, 2026, 11:25 pm » in General questions on meteorological data needed for HYSPLIT

0 Replies

5701 Views

Last post by adammendoza582
June 3rd, 2026, 11:25 pm
unresolved installation problem

Last post by babinsm1 « May 4th, 2026, 11:41 am
Posted in Bugs

by babinsm1 » May 4th, 2026, 11:41 am » in Bugs

0 Replies

12546 Views

Last post by babinsm1
May 4th, 2026, 11:41 am
New Draxler Code for Cluster Analysis

Last post by egribbin « March 17th, 2026, 6:43 pm
Posted in Developers

by egribbin » March 17th, 2026, 6:43 pm » in Developers

0 Replies

30233 Views

Last post by egribbin
March 17th, 2026, 6:43 pm
AGL altitude not properly shown in BTs when more than 3 ancillary meteo parameters are calculated

Last post by massimo_127 « March 11th, 2026, 10:13 am
Posted in Bugs

by massimo_127 » March 11th, 2026, 10:13 am » in Bugs

0 Replies

27716 Views

Last post by massimo_127
March 11th, 2026, 10:13 am
installation problems on Sequoia 15.7.4

Last post by babinsm1 « February 17th, 2026, 7:42 pm
Posted in HYSPLIT for Mac OS X

by babinsm1 » February 17th, 2026, 7:42 pm » in HYSPLIT for Mac OS X

0 Replies

43668 Views

Last post by babinsm1
February 17th, 2026, 7:42 pm
Dispersion model with SplitR package

Last post by bastoumeteoo « February 12th, 2026, 10:31 am
Posted in Users

by bastoumeteoo » February 12th, 2026, 10:31 am » in Users

0 Replies

31490 Views

Last post by bastoumeteoo
February 12th, 2026, 10:31 am
GRIB2 to ARL with api2arl_v3

Last post by maaria « January 2nd, 2026, 6:58 am
Posted in Conversion programs

by maaria » January 2nd, 2026, 6:58 am » in Conversion programs

0 Replies

76148 Views

Last post by maaria
January 2nd, 2026, 6:58 am
HYSPLIT newer version slower

Last post by susanjl « December 23rd, 2025, 10:42 am
Posted in HYSPLIT for LINUX

by susanjl » December 23rd, 2025, 10:42 am » in HYSPLIT for LINUX

0 Replies

33975 Views

Last post by susanjl
December 23rd, 2025, 10:42 am
Use of HYSPLIT with idealized LES WRF simulations

Last post by frferrari « December 19th, 2025, 9:34 am
Posted in Users

by frferrari » December 19th, 2025, 9:34 am » in Users

0 Replies

44362 Views

Last post by frferrari
December 19th, 2025, 9:34 am
Im glad I finally signed up

Last post by DonetteM « December 18th, 2025, 12:13 pm
Posted in General questions on meteorological data needed for HYSPLIT

by DonetteM » December 18th, 2025, 12:13 pm » in General questions on meteorological data needed for HYSPLIT

0 Replies

82049 Views

Last post by DonetteM
December 18th, 2025, 12:13 pm
Converting French AROME and ARPEGE Models to ARL Format

Last post by SBRIOL « December 2nd, 2025, 10:47 am
Posted in Conversion programs

by SBRIOL » December 2nd, 2025, 10:47 am » in Conversion programs

0 Replies

50545 Views

Last post by SBRIOL
December 2nd, 2025, 10:47 am
How to do run with different starting locations at different times

Last post by eveanjelene1 « November 26th, 2025, 4:18 am
Posted in Dispersion Model

by eveanjelene1 » November 26th, 2025, 4:18 am » in Dispersion Model

0 Replies

37651 Views

Last post by eveanjelene1
November 26th, 2025, 4:18 am
Using rotated latlong met data

Last post by jncandau « November 21st, 2025, 11:23 am
Posted in General questions on meteorological data needed for HYSPLIT

by jncandau » November 21st, 2025, 11:23 am » in General questions on meteorological data needed for HYSPLIT

0 Replies

54737 Views

Last post by jncandau
November 21st, 2025, 11:23 am
convert IFS forecast data (GRIB2) to ARL format

Last post by aul20 « September 28th, 2025, 9:34 pm
Posted in Conversion programs

by aul20 » September 28th, 2025, 9:34 pm » in Conversion programs

0 Replies

48617 Views

Last post by aul20
September 28th, 2025, 9:34 pm
Compilers for inline WRF-HYSPLIT

Last post by eveanjelene1 « September 28th, 2025, 9:28 pm
Posted in In-line WRF-HYSPLIT coupling

by eveanjelene1 » September 28th, 2025, 9:28 pm » in In-line WRF-HYSPLIT coupling

0 Replies

118952 Views

Last post by eveanjelene1
September 28th, 2025, 9:28 pm
ERA5 Ensemble Conversion

Last post by ywmaps « September 27th, 2025, 6:48 pm
Posted in Users

by ywmaps » September 27th, 2025, 6:48 pm » in Users

0 Replies

44308 Views

Last post by ywmaps
September 27th, 2025, 6:48 pm
Wrapping particles more than once around the global longitudes

Last post by mneish « September 12th, 2025, 11:16 am
Posted in Bugs

by mneish » September 12th, 2025, 11:16 am » in Bugs

0 Replies

40241 Views

Last post by mneish
September 12th, 2025, 11:16 am
Which GRIB2 inputs are used to build NOAA’s HRRR sigma ARL files?

Last post by ggreen98 « September 1st, 2025, 8:26 pm
Posted in Conversion programs

by ggreen98 » September 1st, 2025, 8:26 pm » in Conversion programs

0 Replies

41466 Views

Last post by ggreen98
September 1st, 2025, 8:26 pm
Making some adjustments to wind speed

Last post by dmbakker « September 1st, 2025, 12:42 pm
Posted in General questions on meteorological data needed for HYSPLIT

by dmbakker » September 1st, 2025, 12:42 pm » in General questions on meteorological data needed for HYSPLIT

0 Replies

51176 Views

Last post by dmbakker
September 1st, 2025, 12:42 pm
HYSPLIT + ERA5

Last post by sergio.ibarra « August 14th, 2025, 12:18 pm
Posted in User Applications

by sergio.ibarra » August 14th, 2025, 12:18 pm » in User Applications

0 Replies

136898 Views

Last post by sergio.ibarra
August 14th, 2025, 12:18 pm
Adding output to PARTICLE_STILT.DAT

Last post by jmarlow « August 13th, 2025, 12:46 am
Posted in Users

by jmarlow » August 13th, 2025, 12:46 am » in Users

0 Replies

53088 Views

Last post by jmarlow
August 13th, 2025, 12:46 am
Low Deposition Results

Last post by beckiey « August 4th, 2025, 12:14 pm
Posted in Radiological

by beckiey » August 4th, 2025, 12:14 pm » in Radiological

0 Replies

134271 Views

Last post by beckiey
August 4th, 2025, 12:14 pm
HYSPLIT workshop

Last post by Mon_82 « July 27th, 2025, 11:10 pm
Posted in HYSPLIT Workshop

by Mon_82 » July 27th, 2025, 11:10 pm » in HYSPLIT Workshop

0 Replies

123557 Views

Last post by Mon_82
July 27th, 2025, 11:10 pm
HYSPLIT Workshop

Last post by Mon_82 « July 26th, 2025, 11:07 pm
Posted in HYSPLIT Workshop

by Mon_82 » July 26th, 2025, 11:07 pm » in HYSPLIT Workshop

0 Replies

45638 Views

Last post by Mon_82
July 26th, 2025, 11:07 pm

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