FEMA Records
26
High volume
Missouri · FEMA + NOAA + National Risk Index
Platte County, MO
26 FEMA disaster declarations (1965-2020), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Flood.
- 26
- FEMA declarations
- 19
- Major disasters
- 71
- NRI risk · Relatively Low
- Flood
- Top hazard
The verdict
Two federal records point in the busier direction for Platte County. Its 26 FEMA declarations are 6% above the Missouri county mean and exceed the count for 75% of the 3,266 counties in this registry. Separately, FEMA's National Risk Index places it in the riskiest 29%, based on modeled expected annual loss, social vulnerability, and community resilience.
- Riskiest 29%
- of U.S. counties for FEMA National Risk Index score
- Relatively Low
- FEMA National Risk Index rating
- 26
- FEMA declarations vs 21 national county avg
- 368
- 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.
How does Platte County compare?
Platte County vs. all counties in this dataset
FEMA disaster declarations, all-time
26 Top 25% higher than 75% 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 · 2026-08-03
Platte County's FEMA Risk Index score
FEMA National Risk Index composite score vs. the Missouri county average
Which hazard drives modeled loss here?
FEMA's modeled annual dollar loss for Platte County is led by Riverine Flooding (about $17.8M Expected Annual Loss, Historical Loss Ratio Relatively Moderate), while Heat Wave carries the highest National Risk Index rating (Relatively Moderate). 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 Platte County's hazard record show?
Reading the federal records together
The NFIP claims register shows a middle-volume loss record here: 368 paid claims, totaling $13.0M. PlainHazard uses 50-499 claims for this descriptive band; FEMA does not publish it as a safety or coverage category. The $35.4K average describes payments on recorded claims only, leaving uninsured damage and properties without a claim outside the measure.
The declaration register points in the busier direction. Platte County's 26 federal records stand 6% above the Missouri county mean of 24.6. That comparison describes how often federal action was recorded, including any Major Disaster, Emergency, and Fire Management entries shown on this page; it does not convert the count into future probability.
FEMA National Risk Index
This county carries a high composite score on FEMA's National Risk Index, 71.4/100, rated Relatively Low. Its Expected Annual Loss rating is Relatively Low (roughly $47.8M in annualized losses), and a Very Low social-vulnerability profile combined with Very High community resilience shapes how much of that raw exposure becomes realized harm. Among the 18 modeled hazards, Heat Wave carries the county's highest rating, a mid-range Relatively Moderate. FEMA's modeled frequency puts that hazard at 15 modeled event-days per year here, based on 168 historical events on record.
Declaration frequency
The FEMA register is busy by both local and national comparisons. It contains 26 entries for Platte County, including 19 Major Disaster records, 6% above the Missouri county mean. Across the 55-year span, that works out to 0.5 declarations a year. Flood leads the file with 10 entries. Declaration type records the federal action taken, not every assistance program approved.
65 /100
Historical Activity Index
High historical activity
Platte County, MO · 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
19/30
26 OpenFEMA declarations, full ingest window (1.3x national county average)
County Disaster Density High
13/25
26 declarations (1.1x state county average of 25)
Major Disaster Share High
18/25
19 of 26 declarations are major disasters (73%)
Hazard Diversity Very High
15/20
6 different disaster types declared in Platte County
Historical Declaration Activity
Activity Band
High
vs. Missouri Avg
+6%
State avg: 24.6
vs. National Avg
+25%
National avg: 20.7
Avg Per Year
0.5
Over 55 years
FEMA NRI 8-hazard radar - Platte 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
73%
Major-heavy
NRI risk score
71
Relatively Low
Source: FEMA National Risk Index Per-county per-hazard ratings, December 2025 release
How often does each hazard strike Platte 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 |
|---|---|---|
| Heat Wave | Relatively Moderate | 15 modeled event-days per year |
| Hail | Relatively Moderate | an average of 8.9 times per year |
| Tornado | Relatively Moderate | roughly once every 3 years |
| Winter Weather | Relatively High | an average of 11 times per year |
| Ice Storm | Relatively High | roughly once every 1 years |
| Strong Wind | Relatively High | an average of 6.7 times per year |
| Landslide | Relatively Low | roughly once every 4 years |
| Cold Wave | Relatively Moderate | an average of 2.6 times per year |
| Riverine Flooding | Relatively Low | an average of 2.7 times per year |
| Lightning | Relatively Moderate | an average of 49 times per year |
| Wildfire | Very Low | roughly once every 977 years |
| Drought | Relatively Low | 15 modeled event-days per year |
| Earthquake | Very Low | roughly once every 1,105 years |
Source: FEMA National Risk Index Modeled annualized frequency; drought and heat wave use event-days/year, December 2025 release
Disaster Types
Flood 10
Severe Storm 9
Severe Ice Storm 3
Biological 2
Hurricane 1
Drought 1
What Flood declarations mean here
Flood is the most frequent declaration type on Platte 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 - 19 73.1%
of all 26 declarations
Emergency - 7 26.9%
of all 26 declarations
FEMA Declarations Timeline
| Year | Declarations | |
|---|---|---|
| 2020 | 2 | |
| 2019 | 2 | |
| 2015 | 1 | |
| 2011 | 4 | |
| 2009 | 1 | |
| 2008 | 2 | |
| 2007 | 1 | |
| 2005 | 1 | |
| 2004 | 1 | |
| 2003 | 1 | |
| 2002 | 1 | |
| 1999 | 1 | |
| 1993 | 1 | |
| 1990 | 1 | |
| 1984 | 1 | |
Show 4 earlier declaration years
| 1977 | 1 | |
| 1976 | 1 | |
| 1974 | 2 | |
| 1965 | 1 | |
Disaster Declarations
How the 26 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.
Download these 26 declarations as CSV . FEMA source data is public domain; our derived presentation is CC0.
| DR# | Title | Type | Incident | Date |
|---|---|---|---|---|
| 4490 | COVID-19 PANDEMIC | DR | Biological | 2020-03-26 |
| 3482 | COVID-19 | EM | Biological | 2020-03-13 |
| 4451 | SEVERE STORMS, TORNADOES, AND FLOODING | DR | Severe Storm | 2019-07-09 |
| 4435 | SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING | DR | Flood | 2019-05-20 |
| 4238 | SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING | DR | Severe Storm | 2015-08-07 |
| 4012 | FLOODING | DR | Flood | 2011-08-12 |
| 3325 | FLOODING | EM | Flood | 2011-06-30 |
| 1961 | SEVERE WINTER STORM AND SNOWSTORM | DR | Severe Storm | 2011-03-23 |
| 3317 | SEVERE WINTER STORM | EM | Severe Storm | 2011-02-03 |
| 3303 | SEVERE WINTER STORM | EM | Severe Ice Storm | 2009-01-30 |
| 1773 | SEVERE STORMS AND FLOODING | DR | Severe Storm | 2008-06-25 |
| 3281 | SEVERE WINTER STORMS | EM | Severe Ice Storm | 2007-12-12 |
| 1708 | SEVERE STORMS AND FLOODING | DR | Severe Storm | 2007-06-11 |
| 3232 | HURRICANE KATRINA EVACUATION | EM | Hurricane | 2005-09-10 |
| 1524 | SEVERE STORMS, TORNADOES, AND FLOODING | DR | Severe Storm | 2004-06-11 |
| 1463 | SEVERE STORMS, TORNADOES, AND FLOODING | DR | Severe Storm | 2003-05-06 |
| 1403 | SEVERE WINTER ICE STORM | DR | Severe Ice Storm | 2002-02-06 |
| 1253 | SEVERE STORMS, FLOODING AND TORNADOES | DR | Severe Storm | 1998-10-14 |
| 995 | SEVERE STORMS & FLOODING | DR | Flood | 1993-07-09 |
| 867 | SEVERE STORMS & FLOODING | DR | Flood | 1990-05-24 |
Show 6 earlier declaration records
| DR# | Title | Type | Incident | Date |
|---|---|---|---|---|
| 713 | SEVERE STORMS & FLOODING | DR | Flood | 1984-06-21 |
| 538 | SEVERE STORMS & FLOODING | DR | Flood | 1977-09-14 |
| 3017 | DROUGHT | EM | Drought | 1976-09-24 |
| 439 | SEVERE STORMS & FLOODING | DR | Flood | 1974-06-10 |
| 407 | SEVERE STORMS & FLOODING | DR | Flood | 1973-11-01 |
| 203 | SEVERE STORMS & FLOODING | DR | Flood | 1965-07-27 |
Storm Events in Missouri
Statewide NOAA context only. PlainHazard does not currently attribute these state totals to Platte County.
| Storm Type | Events | Fatalities | Injuries | Property Damage |
|---|---|---|---|---|
| Thunderstorm Wind | 6,391 | 30 | 52 | $63.4M |
| Hail | 4,411 | 0 | 1 | $86.1M |
| Flash Flood | 2,399 | 47 | 14 | $406.6M |
| Flood | 1,810 | 25 | 7 | $304.6M |
| Drought | 1,033 | 0 | 350 | $53.6M |
Source: NOAA Storm Events Database State-level aggregated data, 2015-2025
NFIP Flood Insurance Claims
Total Claims
368
Total Paid
$13.0M
Avg Per Claim
$35.4K
Source: FEMA National Flood Insurance Program (NFIP) OpenFEMA Claims Data
FEMA National Risk Index
Overall Risk
Relatively Low
Score: 71.4/100
Expected Annual Loss
Relatively Low
$47.8M/year
Social Vulnerability
Very Low
Community Resilience
Very High
Hazard Risk Breakdown
Heat Wave Relatively Moderate
Hail Relatively Moderate
Tornado Relatively Moderate
Winter Weather Relatively High
Ice Storm Relatively High
Strong Wind Relatively High
Landslide Relatively Low
Cold Wave Relatively Moderate
Riverine Flooding Relatively Low
Lightning Relatively Moderate
Wildfire Very Low
Drought Relatively Low
Earthquake Very Low
Hurricane 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: Heat Wave
Heat Wave is measured in event-days per year rather than discrete events, and it is the hazard whose harm is most consistently undercounted: its toll is health and mortality, concentrated among people without cooling, rather than visible damage to property.
Worth noting for Platte County: the model and the federal record do NOT point at the same hazard. Heat Wave carries the highest modeled rating (Relatively Moderate), 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
Platte County's closest FEMA peer: Hempstead County, AR
Comparisons use published FEMA declaration fields plus the National Risk Index composite for Platte County. Record similarity, not a safety rating.
Closest declaration profiles
Platte County shows 26 FEMA declarations, led by Flood.
Similar Major-disaster share
Platte County: 19 of 26 of its declarations are Major.
Similar modeled NRI score
Platte County: NRI composite 71.4 (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 Platte County - capture-dated entries only.
Further reading for this county
Understanding disaster data
Platte County's NFIP claims file (368 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).
Related
Frequently Asked Questions
What is the most common disaster type in Platte County?
The most common disaster type in Platte County is Flood, with 10 declarations. Other disaster types include Severe Storm (9), Severe Ice Storm (3), Biological (2).
How does Platte County's FEMA declaration record compare with the Missouri average?
FEMA lists 26 declaration records for Platte County. That is 6% above the Missouri county mean of 24.6. Its count is also 25% above the national county mean of 20.7. A larger declaration history records more federal actions; it is not a forecast of the county's next hazard.
How many major FEMA disaster declarations has Platte County received?
Platte County has received 19 major disaster declarations, representing 73% of all 26 disaster declarations.
How many flood insurance claims has Platte County filed?
Platte County has 368 National Flood Insurance Program (NFIP) claims totaling $13.0M in payments, with an average of $35.4K per claim.
Does FEMA's top risk-rated hazard match the highest Expected Annual Loss in Platte County?
No. In Platte County, Heat Wave has the highest National Risk Index rating (Relatively Moderate), while Riverine Flooding leads Expected Annual Loss at about $17.8M. FEMA's risk score and dollar-loss model use different inputs, so the leaders often differ.
What was the worst year for disasters in Platte County?
The most active year for disaster declarations in Platte County was 2011, with 4 declarations. The county has FEMA disaster data spanning 1965 to 2020.
What is the FEMA National Risk Index score for Platte County?
According to the FEMA National Risk Index, Platte County, Missouri has an overall risk score of 71.4 out of 100 (Relatively Low). The county's social vulnerability rating is Very Low and community resilience is Very High. The Expected Annual Loss (EAL) score is Relatively Low, representing $47.8M in annualized losses.
Which natural hazard poses the greatest risk to Platte County?
FEMA's NRI data points to Platte County as of the latest release is Heat Wave (risk rating: Relatively Moderate). Other significant hazards include Hail (Relatively Moderate) and Tornado (Relatively Moderate). FEMA's modeled event frequency puts heat wave here at 15 modeled event-days per year, drawn from 168 historical events on record. The underlying methodology weighs historical event frequency against 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.
What this means for Platte County
Platte County, MO has 26 federal declaration records, 6% more than the Missouri county mean of 25; its history sits in PlainHazard's high activity band.
- Within this above-state-average declaration file, major disaster leads with 19 of 26 records; the category describes past federal action, not the next likely hazard. Missouri overview
- The state benchmark and national rank point the same way: this count tops the Missouri mean and the totals for 75% of 3,266 U.S. counties. Most-disaster rankings
- Use the data guide to separate this mid-volume insurance-claims file from declaration counts and modeled NRI risk. Disaster-data guide
An above-average declaration count records past federal responses; it does not predict the next event. Current warnings come from the National Weather Service and local emergency officials.
PlainHazard derives this profile from FEMA's Disaster Declarations Summaries and National Risk Index data. The declaration comparison covers 3,266 U.S. counties and county equivalents in this database, refreshed as of 2026-08-03. Read our methodology - how this data is sourced, computed, and verified.
All federal data sources used on this page
- FEMA OpenFEMA, Disaster Declarations Summaries v2 - all federally-declared disasters for this county. fema.gov/openfema/disaster-declarations
- FEMA National Risk Index (NRI) - per-county per-hazard risk ratings and expected annual loss. hazards.fema.gov/nri
- NOAA NCEI Storm Events Database - state-level storm/severe-weather event records, 2015-2025. ncdc.noaa.gov/stormevents
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial
Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →
Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, the data & editorial changelog, or report a data error.