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California · FEMA + NOAA + National Risk Index

Tehama County, CA

25 FEMA disaster declarations (1965-2024), with a FEMA National Risk Index rating of Relatively Moderate. Most common hazard: Flood.

25
FEMA declarations
17
Major disasters
89
NRI risk · Relatively Moderate
Flood
Top hazard

The verdict

Tehama County has a nationally busy FEMA history: 25 declarations, more than 71% of counties in this registry. But the state comparison tempers that reading: the total is 12% below the California county mean. FEMA's separate National Risk Index places the county in the riskiest 11%; that score models loss and vulnerability rather than counting declarations.

Riskiest 11%
of U.S. counties for FEMA National Risk Index score
Relatively Moderate
FEMA National Risk Index rating
25
FEMA declarations vs 21 national county avg
428
NFIP flood insurance claims filed

FEMA's National Risk Index and its declaration registry are separate measures. This county's registry includes Fire Management Assistance (FM) records, which are not presidential disaster declarations, alongside Major Disaster (DR) and Emergency (EM) records.

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FEMA OpenFEMA declaration desk

County FIPS 06103 · Tehama County 25 declarations · rank 932/3,266

DECL-HEAVY · MAJOR-MID · RANK-LOWER · PHOTO-FINISH · NRI-MID · ACT-HIGH · TYPE-LEAD · VS-ST-BELOW

  • DECL-HEAVY 25
  • MAJOR-MID 68%
  • RANK-LOWER #932
  • PHOTO-FINISH Jefferson
  • NRI-MID 89
  • ACT-HIGH High
  • TYPE-LEAD Flood
  • VS-ST-BELOW -12%

Nearest declaration peer: Jefferson, AR (0 declaration gap)

FEMA Disaster Declarations Summaries v2 filing stamps for this county register. Read with this county → · California state profile

Tehama County among high-volume declaration counties

FEMA declaration records among Tehama County and nearest peers by total count

declarations

What this shows Tehama County carries 25 FEMA declaration records, ranked 932 of 3,266 counties in this registry.

Source FEMA OpenFEMA Disaster Declarations Summaries v2 As of 2026-08-25

Where Tehama County ranks in the national declaration registry

Tehama County vs. high-volume counties in this registry

FEMA disaster declarations, all-time · Tehama County

25 Top 29% higher than 71% of 3,266 counties

This county 0 90 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-08-25

Tehama County's FEMA Risk Index score

0/100100/100California avg89/10088.9/100
FEMA National Risk Index composite score vs. the California county average

Which hazard drives modeled loss here?

FEMA's modeled annual dollar loss for Tehama County is led by Riverine Flooding (about $34.5M Expected Annual Loss, Historical Loss Ratio Relatively Moderate), while Drought carries the highest National Risk Index rating (Relatively High). EAL and risk score use different inputs; they need not agree.

Source: FEMA National Risk Index (December 2025 release) - Expected Annual Loss vs composite risk rating by hazard.

What does Tehama County's hazard record show?

Reading the federal records together

The NFIP claims register shows a middle-volume loss record here: 428 paid claims, totaling $5.6M. PlainHazard uses 50-499 claims for this descriptive band; FEMA does not publish it as a safety or coverage category. The $13.1K average describes payments on recorded claims only, leaving uninsured damage and properties without a claim outside the measure.

Start with the state benchmark: a California county averages 28.5 federal declaration records, while Tehama County has 25. The gap is 12% below that mean. Fewer entries indicate a quieter history of recorded federal actions, not immunity from a hazard and not a prediction about what happens next.

FEMA National Risk Index

This county sits among the highest-risk counties nationally on FEMA's National Risk Index, a composite score of 88.9/100 (Relatively Moderate). Expected Annual Loss is rated Relatively Moderate (roughly $69.0M in annualized losses). Social vulnerability reads Relatively Moderate and community resilience Relatively Low, both critical modifiers of realized harm here. Of the 18 hazards FEMA models, Drought stands out as the sharpest exposure here, rated Relatively High. FEMA's modeled frequency puts that hazard at 79 modeled event-days per year here, based on 2,394 historical events on record.

66 /100

Historical Activity Index

High historical activity

Tehama County, CA · PlainHazard-derived composite from federal records

This 0–100 index is an explicit PlainHazard composite from FEMA declaration history only on the county surface (this DB has no county-level NOAA damage row) . It is not FEMA's National Risk Index, not a forecast, and not a safety, insurance, or preparedness rating. Open the calculator · Methodology

FEMA Declarations (1953–present) High
18/30

25 OpenFEMA declarations, full ingest window (1.2x national county average)

County Disaster Density Moderate
11/25

25 declarations (0.9x state county average of 29)

Major Disaster Share High
17/25

17 of 25 declarations are major disasters (68%)

Hazard Diversity Very High
20/20

8 different disaster types declared in Tehama County

FEMA NRI 8-hazard radar - Tehama County

Tehama County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard scores for Earthquake 48, Flood 48, Hurricane 0, Tornado 8, Wildfire 70, Drought 70, Heat Wave 25, Winter Storm 8. The simple mean of these eight displayed scores is 35 of 100. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 35 8-hazard mean
Tehama County NRI risk profile FIPS 06103 · displayed-hazard mean 35/100
How to read this radar

Each axis: NRI risk rating (Very Low-Very High) on a 0-100 scale. Rounder = broad exposure; spiky = one or two hazards dominate.

FEMA Records

25

High volume

Major Disaster share

68%

Major-heavy

NRI risk score

89

Relatively Moderate

Source: FEMA National Risk Index Per-county per-hazard ratings, December 2025 release

How often does each hazard strike Tehama County?

FEMA's National Risk Index models a historical event count and an annualized frequency for each hazard type. Most hazards are expressed as modeled occurrences per year; FEMA expresses drought and heat-wave frequency as event-days per year. These modeled frequencies are not forecasts.

Hazard NRI Risk Rating Recurrence
Drought Relatively High 79 modeled event-days per year
Wildfire Relatively High roughly once every 127 years
Landslide Relatively High an average of 79 times per year
Earthquake Relatively Moderate roughly once every 28 years
Volcanic Activity Relatively Low roughly once every 476 years
Riverine Flooding Relatively Moderate roughly once every 1 years
Heat Wave Relatively Low 6.9 modeled event-days per year
Lightning Relatively Low an average of 13 times per year
Avalanche Very Low roughly once every 100 years
Tornado Very Low roughly once every 6 years
Hail Very Low roughly once every 9 years
Strong Wind Very Low roughly once every 85 years
Winter Weather Very Low an average of 13 times per year

Source: FEMA National Risk Index Modeled annualized frequency; drought and heat wave use event-days/year, December 2025 release

Disaster Types

Flood 9
Fire 5
Severe Storm 5
Biological 2
Hurricane 1
Freezing 1
Coastal Storm 1
Drought 1

What Flood declarations mean here

Flood is the most frequent declaration type on Tehama County's record, 36% of its declarations. Federal flood declarations cover two mechanisms that behave very differently: riverine flooding, which builds over days as a watershed drains and is usually forecast well in advance, and flash flooding, which can arrive in under an hour from rainfall that fell somewhere upstream.

Flood is also the one hazard class where a second federal dataset exists for the same events. The National Flood Insurance Program records what was actually paid on insured losses, so it measures a narrower thing than the declaration count: uninsured damage, and flooding outside mapped special flood hazard areas, never enters it. Reading the two together is more informative than either alone.

Declaration counts describe past federal action. They are a record of what was declared, not a forecast of future hazard probability.

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Major Disaster - 17 68.0%

of all 25 declarations

Emergency - 5 20.0%

of all 25 declarations

Fire Management - 3 12.0%

of all 25 declarations

FEMA Declarations Timeline

Year Declarations
2024 1
2023 2
2021 1
2020 2
2019 1
2017 1
2012 1
2005 2
1999 1
1998 1
1997 1
1995 2
1993 1
1991 1
1986 1
Show 6 earlier declaration years
1983 1
1977 1
1974 1
1970 1
1969 1
1965 1

Disaster Declarations

How the 25 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.

Download these 25 declarations as CSV . FEMA source data is public domain; our derived presentation is CC0.

DR# Title Type Incident Date
5519 PARK FIRE FM Fire 2024-07-25
4683 SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES DR Flood 2023-01-14
3591 SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES EM Flood 2023-01-09
4610 WILDFIRES DR Fire 2021-08-24
4482 COVID-19 PANDEMIC DR Biological 2020-03-22
3428 COVID-19 EM Biological 2020-03-13
4434 SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES DR Severe Storm 2019-05-17
4308 SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES DR Flood 2017-04-01
5007 PONDEROSA FIRE FM Fire 2012-08-19
3248 HURRICANE KATRINA EVACUATION EM Hurricane 2005-09-13
2580 MANTON FIRE FM Fire 2005-08-26
3140 CA-WILDFIRES-08/25/1999 EM Fire 1999-09-01
1203 SEVERE WINTER STORMS AND FLOODING DR Severe Storm 1998-02-09
1155 SEVERE STORMS, FLOODING, MUD AND LANDSLIDES DR Severe Storm 1997-01-04
1046 SEVERE WINTER STORMS, FLOODING LANDSLIDES, MUD FLOW DR Severe Storm 1995-03-12
1044 SEVERE WINTER STORMS, FLOODING, LANDSLIDES, MUD FLOWS DR Severe Storm 1995-01-10
979 SEVERE WINTER STORM, MUD & LAND SLIDES, & FLOODING DR Flood 1993-02-03
894 SEVERE FREEZE DR Freezing 1991-02-11
758 SEVERE STORMS & FLOODING DR Flood 1986-02-21
677 COASTAL STORMS, FLOODS, SLIDES & TORNADOES DR Coastal Storm 1983-02-09
Show 5 earlier declaration records
DR# Title Type Incident Date
3023 DROUGHT EM Drought 1977-01-20
412 SEVERE STORMS & FLOODING DR Flood 1974-01-25
283 SEVERE STORMS & FLOODING DR Flood 1970-02-16
253 SEVERE STORMS & FLOODING DR Flood 1969-01-26
183 HEAVY RAINS & FLOODING DR Flood 1964-12-24

Storm Events in California

Statewide NOAA context only. PlainHazard does not currently attribute these state totals to Tehama County.

Storm Type Events Fatalities Injuries Property Damage
High Wind 4,070 13 27 $228.2M
Flood 3,132 26 25 $985.1M
Heavy Snow 1,814 6 0 $1.6M
Dense Fog 1,605 52 148 $2.8M
Drought 1,421 0 0 $0

Source: NOAA Storm Events Database State-level aggregated data, 2015-2025

NFIP Flood Insurance Claims

Total Claims

428

Total Paid

$5.6M

Avg Per Claim

$13.1K

Source: FEMA National Flood Insurance Program (NFIP) OpenFEMA Claims Data

FEMA National Risk Index

Overall Risk

Relatively Moderate

Score: 88.9/100

Expected Annual Loss

Relatively Moderate

$69.0M/year

Social Vulnerability

Relatively Moderate

Community Resilience

Relatively Low

Hazard Risk Breakdown

Drought Relatively High
Wildfire Relatively High
Landslide Relatively High
Earthquake Relatively Moderate
Volcanic Activity Relatively Low
Riverine Flooding Relatively Moderate
Heat Wave Relatively Low
Lightning Relatively Low
Avalanche Very Low
Tornado Very Low
Hail Very Low
Strong Wind Very Low
Winter Weather Very Low
Cold Wave No Rating

Source: FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

The model's sharpest exposure here: Drought

Drought is the slowest of the modeled hazards and the least visible: it does its damage to agriculture, water supply and soil over seasons rather than hours, so it rarely produces the kind of single-day damage that drives a disaster declaration. FEMA scores it in event-days per year rather than discrete events for exactly that reason.

Worth noting for Tehama County: the model and the federal record do NOT point at the same hazard. Drought carries the highest modeled rating (Relatively High), while the county's declaration history is led by Flood. That is not a contradiction, the two measure genuinely different things. Declarations record federal ACTION, which requires damage costly enough to exceed state and local capacity; the Risk Index models EXPECTED annual loss across all 18 hazards whether or not any declaration ever followed. A hazard can be the county's largest modeled exposure and never once have driven a declaration.

National Risk Index ratings are modeled estimates of expected annual loss, not predictions of what will happen in any given year.

Data-matched county comparisons

Tehama County's closest FEMA peer: St. Louis (city), MO

Comparisons use published FEMA declaration fields plus the National Risk Index composite for Tehama County. Record similarity, not a safety rating.

How these peers are chosen

Cohort: Published U.S. county equivalents outside the source state or territory. Each metric keeps six ETL candidates; three unique destinations are shown after de-duplicating across axes. Declaration-volume ranking combines count and Major-disaster share and prefers a different leading incident type; Major-share ranks the Major fraction adjusted for volume; NRI ranks the modeled composite score only.

Retained FEMA snapshot feed for Tehama County - capture-dated entries only.

Compare beyond this state

Nationwide peers by NRI score & FEMA declaration volume

Two PlainHazard-derived comparison paths for Tehama County: nearest out-of-state National Risk Index composite and nearest FEMA declaration count (floor ≥5 records). Record similarity only, not a forecast of the next hazard.

Further reading for this county

Understanding disaster data

Tehama County's NFIP claims file (428 claims) and FEMA declaration history measure different federal records - this guide separates them from modeled NRI risk.

More PlainHazard guides

Frequently Asked Questions

What is the most common disaster type in Tehama County?
The most common disaster type in Tehama County is Flood, with 9 declarations. Other disaster types include Fire (5), Severe Storm (5), Biological (2).
How does Tehama County's FEMA declaration record compare with the California average?
The typical California county has 28.5 FEMA declaration records; Tehama County has 25, or 12% fewer. Against the national county mean of 20.7, this county's total is 21% higher. The comparison is historical and says nothing about the probability of a future event.
How many major FEMA disaster declarations has Tehama County received?
Tehama County has received 17 major disaster declarations, representing 68% of all 25 disaster declarations.
How many flood insurance claims has Tehama County filed?
Tehama County has 428 National Flood Insurance Program (NFIP) claims totaling $5.6M in payments, with an average of $13.1K per claim.
Does FEMA's top risk-rated hazard match the highest Expected Annual Loss in Tehama County?
No. In Tehama County, Drought has the highest National Risk Index rating (Relatively High), while Riverine Flooding leads Expected Annual Loss at about $34.5M. FEMA's risk score and dollar-loss model use different inputs, so the leaders often differ.
What was the worst year for disasters in Tehama County?
The most active year for disaster declarations in Tehama County was 1995, with 2 declarations. The county has FEMA disaster data spanning 1965 to 2024.
What is the FEMA National Risk Index score for Tehama County?
According to the FEMA National Risk Index, Tehama County, California has an overall risk score of 88.9 out of 100 (Relatively Moderate). The county's social vulnerability rating is Relatively Moderate and community resilience is Relatively Low. The Expected Annual Loss (EAL) score is Relatively Moderate, representing $69.0M in annualized losses.
Which natural hazard poses the greatest risk to Tehama County?
Based on FEMA NRI data, the highest-risk natural hazard in Tehama County as of the latest release is Drought (risk rating: Relatively High). Other significant hazards include Wildfire (Relatively High) and Landslide (Relatively High). FEMA's modeled event frequency puts drought here at 79 modeled event-days per year, drawn from 2,394 historical events on record. These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015-2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

Flood insurance data comes from the FEMA National Flood Insurance Program (NFIP) OpenFEMA claims dataset.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

FEMA OpenFEMA declarations + NRI for Tehama County · vintage 2026-08-25 · Methodology · California profile · Verify with FEMA OpenFEMA · Verify with NOAA Storm Events