FEMA Records
21
Above median
California · FEMA + NOAA + National Risk Index
Glenn County, CA
21 FEMA disaster declarations (1965-2024), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Flood.
- 21
- FEMA declarations
- 16
- Major disasters
- 74
- NRI risk · Relatively Low
- Flood
- Top hazard
The verdict
Glenn County has a nationally busy FEMA history: 21 declarations, more than 52% of counties in this registry. But the state comparison tempers that reading: the total is 26% below the California county mean. FEMA's separate National Risk Index places the county in the riskiest 26%; that score models loss and vulnerability rather than counting declarations.
- Riskiest 26%
- of U.S. counties for FEMA National Risk Index score
- Relatively Low
- FEMA National Risk Index rating
- 21
- FEMA declarations vs 21 national county avg
- 195
- NFIP flood insurance claims filed
FEMA's National Risk Index and its declaration registry are separate measures. This county's registry includes Major Disaster (DR) and Emergency (EM) records; an EM authorizes a narrower set of federal assistance than a DR.
FEMA OpenFEMA declaration desk
County FIPS 06021 · Glenn County 21 declarations · rank 1429/3,266
DECL-HEAVY · MAJOR-MID · RANK-LOWER · PHOTO-FINISH · NRI-LOW · ACT-HIGH · TYPE-LEAD · VS-ST-BELOW
- DECL-HEAVY 21
- MAJOR-MID 76%
- RANK-LOWER #1,429
- PHOTO-FINISH Montgomery
- NRI-LOW 74
- ACT-HIGH High
- TYPE-LEAD Flood
- VS-ST-BELOW -26%
Nearest declaration peer: Montgomery, IN (0 declaration gap)
FEMA Disaster Declarations Summaries v2 filing stamps for this county register. Read with this county → · California state profile
Glenn County in the declaration-count neighbourhood
FEMA declaration records among Glenn County and nearest peers by total count
- Los Angeles · largest
Los Angeles · largest
88 declarations
- Atascosa · near 21
Atascosa · near
21 declarations
- Glenn · this county 21
Glenn · this county
21 declarations
- Mason · near 21
Mason · near
21 declarations
- Montgomery · near 21
Montgomery · near
21 declarations
- Ujelang · smallest 1
Ujelang · smallest
1 declarations
What this shows Glenn County carries 21 FEMA declaration records, ranked 1429 of 3,266 counties in this registry.
How Glenn County's FEMA declaration count compares nationally
Glenn County vs. all counties in this dataset
FEMA disaster declarations, all-time · Glenn County
21 Top 48% higher than 52% of 3,266 counties
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
Glenn County's FEMA Risk Index score
What does Glenn County's hazard record show?
Reading the federal records together
The NFIP claims register shows a middle-volume loss record here: 195 paid claims, totaling $2.4M. PlainHazard uses 50-499 claims for this descriptive band; FEMA does not publish it as a safety or coverage category. The $12.5K 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 Glenn County has 21. The gap is 26% 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 carries a high composite score on FEMA's National Risk Index, 74.4/100, rated Relatively Low. Its Expected Annual Loss rating is Relatively Low (roughly $40.9M in annualized losses), and a Very Low social-vulnerability profile combined with Very Low community resilience shapes how much of that raw exposure becomes realized harm. 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 85 modeled event-days per year here, based on 2,275 historical events on record.
61 /100
Historical Activity Index
High historical activity
Glenn 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
15/30
21 OpenFEMA declarations, full ingest window (1.0x national county average)
County Disaster Density Moderate
9/25
21 declarations (0.7x state county average of 29)
Major Disaster Share Very High
19/25
16 of 21 declarations are major disasters (76%)
Hazard Diversity Very High
18/20
7 different disaster types declared in Glenn County
FEMA NRI 8-hazard radar - Glenn County
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.
Major Disaster share
76%
Mostly major
NRI risk score
74
Relatively Low
Source: FEMA National Risk Index Per-county per-hazard ratings, December 2025 release
How often does each hazard strike Glenn 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 | 85 modeled event-days per year |
| Earthquake | Relatively Moderate | roughly once every 21 years |
| Wildfire | Relatively Moderate | roughly once every 236 years |
| Landslide | Relatively Low | an average of 24 times per year |
| Heat Wave | Relatively Low | 7.5 modeled event-days per year |
| Volcanic Activity | Very Low | roughly once every 909 years |
| Riverine Flooding | Relatively Low | roughly once every 1 years |
| Lightning | Very Low | an average of 7.9 times per year |
| Avalanche | Very Low | roughly once every 100 years |
| Tornado | Very Low | roughly once every 9 years |
| Hail | Very Low | roughly once every 12 years |
| Strong Wind | Very Low | roughly once every 72 years |
| Winter Weather | Very Low | an average of 6.7 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 8
Severe Storm 7
Biological 2
Hurricane 1
Freezing 1
Coastal Storm 1
Drought 1
What Flood declarations mean here
Flood is the most frequent declaration type on Glenn County's record, 38% 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 - 16 76.2%
of all 21 declarations
Emergency - 5 23.8%
of all 21 declarations
FEMA Declarations Timeline
| Year | Declarations | |
|---|---|---|
| 2024 | 1 | |
| 2023 | 4 | |
| 2020 | 2 | |
| 2019 | 1 | |
| 2017 | 1 | |
| 2005 | 1 | |
| 1998 | 1 | |
| 1997 | 1 | |
| 1995 | 2 | |
| 1991 | 1 | |
| 1986 | 1 | |
| 1983 | 1 | |
| 1977 | 1 | |
| 1974 | 1 | |
| 1970 | 1 | |
Show 1 earlier declaration years
| 1965 | 1 | |
Disaster Declarations
How the 21 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.
Download these 21 declarations as CSV . FEMA source data is public domain; our derived presentation is CC0.
| DR# | Title | Type | Incident | Date |
|---|---|---|---|---|
| 4769 | SEVERE WINTER STORMS, TORNADOES, FLOODING, LANDSLIDES, AND MUDSLIDES | DR | Severe Storm | 2024-04-13 |
| 4699 | SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES | DR | Severe Storm | 2023-04-03 |
| 3592 | SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES | EM | Flood | 2023-03-10 |
| 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 |
| 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 |
| 3248 | HURRICANE KATRINA EVACUATION | EM | Hurricane | 2005-09-13 |
| 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 |
| 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 |
| 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 |
Show 1 earlier declaration records
| DR# | Title | Type | Incident | Date |
|---|---|---|---|---|
| 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 Glenn 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
195
Total Paid
$2.4M
Avg Per Claim
$12.5K
Source: FEMA National Flood Insurance Program (NFIP) OpenFEMA Claims Data
FEMA National Risk Index
Overall Risk
Relatively Low
Score: 74.4/100
Expected Annual Loss
Relatively Low
$40.9M/year
Social Vulnerability
Very Low
Community Resilience
Very Low
Hazard Risk Breakdown
Drought Relatively High
Earthquake Relatively Moderate
Wildfire Relatively Moderate
Landslide Relatively Low
Heat Wave Relatively Low
Volcanic Activity Very Low
Riverine Flooding Relatively Low
Lightning Very 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 Glenn 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
Glenn County's closest FEMA peer: Weakley County, TN
Comparisons use published FEMA declaration fields plus the National Risk Index composite for Glenn County. Record similarity, not a safety rating.
Closest declaration profiles
Glenn County shows 21 FEMA declarations, led by Flood.
Similar Major-disaster share
Glenn County: 16 of 21 of its declarations are Major.
Similar modeled NRI score
Glenn County: NRI composite 74.4 (Relatively Low).
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 Glenn County - capture-dated entries only.
Compare beyond this state
Nationwide peers by NRI score & FEMA declaration volume
Two PlainHazard-derived comparison paths for Glenn 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.
Similar NRI composite
Nearest out-of-state counties by FEMA NRI score. This county: 74.4 (Relatively Low).
Similar declaration volume
Nearest out-of-state counties by FEMA declaration count. This county: 21. NRI peers are excluded so the two link sets stay distinct.
Further reading for this county
Understanding disaster data
Glenn County's NFIP claims file (195 claims) and FEMA declaration history measure different federal records - this guide separates them from modeled NRI risk.
More PlainHazard guides
- Most disaster-prone counties - U.S. counties ranked by FEMA declaration totals.
- Understanding disaster data - declarations vs storm events vs NRI scores.
- Preparing for natural disasters - household checklist (not county-specific advice).
Frequently Asked Questions
What is the most common disaster type in Glenn County?
The most common disaster type in Glenn County is Flood, with 8 declarations. Other disaster types include Severe Storm (7), Biological (2), Hurricane (1).
How does Glenn County's FEMA declaration record compare with the California average?
The typical California county has 28.5 FEMA declaration records; Glenn County has 21, or 26% fewer. Against the national county mean of 20.7, this county's total is 1% higher. The comparison is historical and says nothing about the probability of a future event.
How many major FEMA disaster declarations has Glenn County received?
Glenn County has received 16 major disaster declarations, representing 76% of all 21 disaster declarations.
How many flood insurance claims has Glenn County filed?
Glenn County has 195 National Flood Insurance Program (NFIP) claims totaling $2.4M in payments, with an average of $12.5K per claim.
What was the worst year for disasters in Glenn County?
The most active year for disaster declarations in Glenn County was 2023, with 4 declarations. The county has FEMA disaster data spanning 1965 to 2024.
What is the FEMA National Risk Index score for Glenn County?
According to the FEMA National Risk Index, Glenn County, California has an overall risk score of 74.4 out of 100 (Relatively Low). On social vulnerability the county rates Very Low; on community resilience, Very Low. The Expected Annual Loss (EAL) score is Relatively Low, representing $40.9M in annualized losses.
Which natural hazard poses the greatest risk to Glenn County?
The top hazard flagged by FEMA's NRI for Glenn County as of the latest release is Drought (risk rating: Relatively High). Other significant hazards include Earthquake (Relatively Moderate) and Wildfire (Relatively Moderate). FEMA's modeled event frequency puts drought here at 85 modeled event-days per year, drawn from 2,275 historical events on record. FEMA derives these ratings from historical event frequency, the assets exposed, and the community's vulnerability profile.
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 Glenn County · vintage 2026-08-25 · Methodology · California profile · Verify with FEMA OpenFEMA · Verify with NOAA Storm Events