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Who published Updating Met Models?

majiayu000 (@majiayu000) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Updating Met Models by majiayu000 — Agent Skill

Name: Updating Met Models
Rating: 4.2 (5 reviews)
Author: majiayu000

Updating Met Models

Updates HEC-HMS meteorologic model files (.met) including precipitation methods, gage assignments, evapotranspiration, and Atlas 14 frequency storms. Use when configuring precipitation, assigning gages to subbasins, updating TP40 to Atlas 14, or modifying ET methods. Handles clone workflows for QAQC comparison. Trigger keywords: met model, precipitation, gage assignment, Atlas 14, TP40, frequency storm, evapotranspiration, ET, meteorologic model, update precip.

majiayu000 Updated Sep 9, 2026 567 repo stars

File contents

Updating Meteorologic Models

Quick Start

from hms_commander import HmsMet

# Read met configuration
precip_method = HmsMet.get_precipitation_method("project.met")
gage_assignments = HmsMet.get_gage_assignments("project.met")

# Update gage assignments
HmsMet.set_gage_assignment("project.met", "Subbasin1", "Gage1")

# Update Atlas 14 depths
new_depths = [2.5, 3.1, 3.8, 4.5, 5.2, 6.0]  # 6-hour storm depths
HmsMet.set_precipitation_depths("project.met", new_depths)

Primary Sources

Code: hms_commander/HmsMet.py - Complete API

Task Agent: hms_agents/hms_atlas14/ - Automated Atlas 14 updates

Rules: .claude/rules/hec-hms/met-files.md - Met file patterns

Examples: examples/04_hms_workflow.ipynb cells 8-12 - Met operations

When to Use This Skill

Configuring precipitation methods (Gage weights, Gridded, Frequency storm)
Assigning gages to subbasins
Updating TP40 to Atlas 14 precipitation depths
Modifying evapotranspiration methods
Cloning met models for scenario comparison

Core Capabilities

1. Precipitation Configuration

Supported methods:

Specified Hyetograph
Gage Weights
Gridded Precipitation
Frequency Storm (TP40, Atlas 14)
SCS Storm
Standard Project Storm

2. Gage Assignment

Map gages to subbasins:

assignments = HmsMet.get_gage_assignments("project.met")
# Returns DataFrame: Subbasin → Gage mapping

3. Atlas 14 Integration

Update frequency storm depths:

# Get current depths
depths = HmsMet.get_precipitation_depths("project.met")

# Update with Atlas 14 (from NOAA API or manual)
atlas14_depths = [2.8, 3.5, 4.2, 4.9, 5.7, 6.5]
HmsMet.set_precipitation_depths("project.met", atlas14_depths)

See: hms_agents/hms_atlas14/ for automated workflow

4. Clone Workflows

from hms_commander import init_hms_project, hms, HmsMet

init_hms_project("project")
HmsMet.clone_met("Baseline_Met", "Atlas14_Met", hms_object=hms)
# Update Atlas14_Met with new precipitation depths

Common Workflows

Workflow 1: Atlas 14 Update

Automated approach (Recommended):

# Use hms_atlas14 task agent
# See: hms_agents/hms_atlas14/README.md

Manual approach:

# 1. Get project centroid
from hms_commander import HmsGeo
lat, lon = HmsGeo.get_project_centroid_latlon("project.geo")

# 2. Download Atlas 14 from NOAA API (requires manual step)

# 3. Update met file
HmsMet.set_precipitation_depths("project.met", atlas14_depths)

Workflow 2: Gage Weight Configuration

# Assign gages to all subbasins
subbasins = ["Sub1", "Sub2", "Sub3"]
gages = ["Gage1", "Gage1", "Gage2"]

for sub, gage in zip(subbasins, gages):
    HmsMet.set_gage_assignment("project.met", sub, gage)

Reference Files

reference/precipitation_methods.md - All precip method details
reference/atlas14.md - Atlas 14 integration guide
examples/atlas14_update.md - Complete Atlas 14 workflow

Related Skills

executing-hms-runs - Run after updating precipitation
cloning-hms-components - Clone met for scenario comparison

---name: updating-met-modelsdescription: Updates HEC-HMS meteorologic model files (.met) including precipitation methods, gage assignments, evapotranspiration, and Atlas 14 frequency storms. Use when configuring precipitation, assigning gages to subbasins, updating TP40 to Atlas 14, or modifying ET methods. Handles clone workflows for QAQC comparison. Trigger keywords: met model, precipitation, gage assignment, Atlas 14, TP40, frequency storm, evapotranspiration, ET, meteorologic model, update precip.--- # Updating Meteorologic Models ## Quick Start ```python from hms_commander import HmsMet # Read met configuration precip_method = HmsMet.get_precipitation_method("project.met") gage_assignments = HmsMet.get_gage_assignments("project.met") # Update gage assignments HmsMet.set_gage_assignment("project.met", "Subbasin1", "Gage1") # Update Atlas 14 depths new_depths = [2.5, 3.1, 3.8, 4.5, 5.2, 6.0] # 6-hour storm depths HmsMet.set_precipitation_depths("project.met", new_depths) ``` ## Primary Sources **Code**: `hms_commander/HmsMet.py` - Complete API **Task Agent**: `hms_agents/hms_atlas14/` - Automated Atlas 14 updates **Rules**: `.claude/rules/hec-hms/met-files.md` - Met file patterns **Examples**: `examples/04_hms_workflow.ipynb` cells 8-12 - Met operations ## When to Use This Skill - Configuring precipitation methods (Gage weights, Gridded, Frequency storm) - Assigning gages to subbasins - Updating TP40 to Atlas 14 precipitation depths - Modifying evapotranspiration methods - Cloning met models for scenario comparison ## Core Capabilities ### 1. Precipitation Configuration Supported methods: - Specified Hyetograph - Gage Weights - Gridded Precipitation - Frequency Storm (TP40, Atlas 14) - SCS Storm - Standard Project Storm ### 2. Gage Assignment Map gages to subbasins: ```python assignments = HmsMet.get_gage_assignments("project.met") # Returns DataFrame: Subbasin → Gage mapping ``` ### 3. Atlas 14 Integration Update frequency storm depths: ```python # Get current depths depths = HmsMet.get_precipitation_depths("project.met") # Update with Atlas 14 (from NOAA API or manual) atlas14_depths = [2.8, 3.5, 4.2, 4.9, 5.7, 6.5] HmsMet.set_precipitation_depths("project.met", atlas14_depths) ``` **See**: `hms_agents/hms_atlas14/` for automated workflow ### 4. Clone Workflows ```python from hms_commander import init_hms_project, hms, HmsMet init_hms_project("project") HmsMet.clone_met("Baseline_Met", "Atlas14_Met", hms_object=hms) # Update Atlas14_Met with new precipitation depths ``` ## Common Workflows ### Workflow 1: Atlas 14 Update **Automated approach** (Recommended): ```python # Use hms_atlas14 task agent # See: hms_agents/hms_atlas14/README.md ``` **Manual approach**: ```python # 1. Get project centroid from hms_commander import HmsGeo lat, lon = HmsGeo.get_project_centroid_latlon("project.geo") # 2. Download Atlas 14 from NOAA API (requires manual step) # 3. Update met file HmsMet.set_precipitation_depths("project.met", atlas14_depths) ``` ### Workflow 2: Gage Weight Configuration ```python # Assign gages to all subbasins subbasins = ["Sub1", "Sub2", "Sub3"] gages = ["Gage1", "Gage1", "Gage2"] for sub, gage in zip(subbasins, gages): HmsMet.set_gage_assignment("project.met", sub, gage) ``` ## Reference Files - `reference/precipitation_methods.md` - All precip method details - `reference/atlas14.md` - Atlas 14 integration guide - `examples/atlas14_update.md` - Complete Atlas 14 workflow ## Related Skills - **executing-hms-runs** - Run after updating precipitation - **cloning-hms-components** - Clone met for scenario comparison

Frequently asked questions