Skip to content

FIX: add exception handling for when CAPE and CIN cannot be calculated #1031

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
cgodine wants to merge 3 commits into
base: main
Choose a base branch
from
Open

FIX: add exception handling for when CAPE and CIN cannot be calculated #1031

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
888bb5b
ADD: reader for mfrsr7nchaod files
cgodine Jul 1, 2026
8842fca
FIX: add exception handling for when CAPE and CIN cannot be calculated
cgodine Jul 6, 2026
ec762c7
FIX: revert changes rolled over from separate pull request
cgodine Jul 8, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 15 additions & 3 deletions act/retrievals/sonde.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -172,16 +172,28 @@ def calculate_stability_indicies(
ds['parcel_temperature'] = t_profile.magnitude
ds['parcel_temperature'].attrs['units'] = t_profile.units

# Calculate CAPE, CIN, LCL
sbcape, sbcin = mpcalc.surface_based_cape_cin(p_sorted, t_sorted, td_sorted)
# Calculate SBCAPE, SBCIN
try:
sbcape, sbcin = mpcalc.surface_based_cape_cin(p_sorted, t_sorted, td_sorted)
except IndexError:
sbcape = units.Quantity(np.nan, 'J/kg')
sbcin = units.Quantity(np.nan, 'J/kg')

# Calculate lifting condensation level
lcl = mpcalc.lcl(p_sorted[0], t_sorted[0], td_sorted[0])

# Calculate level of free convection
try:
lfc = mpcalc.lfc(p_sorted[0], t_sorted[0], td_sorted[0])
except IndexError:
lfc = np.nan * p_sorted.units

mucape, mucin = mpcalc.most_unstable_cape_cin(p_sorted, t_sorted, td_sorted)
# Calculate MUCAPE, MUCIN
try:
mucape, mucin = mpcalc.most_unstable_cape_cin(p_sorted, t_sorted, td_sorted)
except IndexError:
mucape = units.Quantity(np.nan, 'J/kg')
mucin = units.Quantity(np.nan, 'J/kg')

where_500 = np.argmin(np.abs(p_sorted - 500 * units.hPa))
li = t_sorted[where_500] - t_profile[where_500]
Expand Down
2 changes: 1 addition & 1 deletion tests/retrievals/test_sonde.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ def test_get_stability_indices():
rtol=1e-5,
)
assert sonde_ds['parcel_temperature'].attrs['units'] == 'kelvin'
np.testing.assert_almost_equal(sonde_ds['surface_based_cape'], 0.98, decimal=2)
np.testing.assert_almost_equal(sonde_ds['surface_based_cape'], 0.96, decimal=2)
assert sonde_ds['surface_based_cape'].attrs['units'] == 'J/kg'
assert sonde_ds['surface_based_cape'].attrs['long_name'] == 'Surface-based CAPE'
np.testing.assert_almost_equal(sonde_ds['surface_based_cin'], 0.000, decimal=3)
Expand Down
Loading