FEMA flood zones · Michigan

Gladwin County, Michigan Flood Zone Map

31 flood insurance claims·$1.7M paid·1 federal flood & hurricane disasters

2% of Gladwin County’s area is in FEMA’s high-risk flood zones.

Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.

Coastal high risk (V, VE)FloodwayHigh risk (A, AE)Moderate (X, 500-year)Minimal (X)Undetermined (D)

Shaded areas are FEMA’s mapped flood hazard zones in and around Gladwin County, Michigan. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.

How deep the water got

outlet80″ door12″24″36″48″60″72″84″

In flood insurance claims here that reported a flood depth, the average was 5 inches.

Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.

Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.

Flood claims, year by year

The worst year was 2020, with 10 claims and $1.4M paid.

2004: 8 claims2006: 4 claims2007: 2 claims2014: 6 claims2018: 1 claims2020: 10 claims19801990200020102020

Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.

In their words

6 NOAA storm reports from Gladwin County describe what happened, in the words of the forecasters who covered it. Read the Michigan flood stories →

Federal disasters

12 federal disaster declarations since 1976, 1 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Storms And FloodingMay 16, 2020
Severe Storms And FloodingJun 22, 2017
Hurricane Katrina EvacuationAug 29, 2005
Severe Storms, Tornadoes, And FloodingMay 20, 2004
SnowDec 11, 2000
Severe Storms & FloodingSep 10, 1986
Blizzards & SnowstormsJan 27, 1978
DroughtMar 2, 1977

Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.

Recorded flood events

14 since 1996: 4 flash floods and 10 river or area floods.

EventDateDamage
FloodApr 30, 2020$4,000
Flash FloodMay 18, 2020$6.5M
FloodMay 18, 2020$11.0M
Flash FloodAug 10, 2020$4,000
FloodJun 23, 2017$120,000
Flash FloodJun 23, 2017$25,000
FloodApr 14, 2014$80,000
Flash FloodJul 22, 2008$25,000

— = no damage estimate in the record. Source: NOAA Storm Events Database.

From the storm reports

Flood · Apr 30, 2020. A slow-moving low pressure system crossed southern lower Michigan on the 30th. Ahead of this low, heavy rain fell across much of northern Michigan on the 29th into the 30th. Rainfall amounts exceeded two inches in some locations. The highest 72-hour totals, as of the morning of May 1st, were 3.43 inches on Drummond Island, 3.32 inches at Cheboygan, 3.22 inches at DeTour Village, and 2.92 inches at Pellston. Some l…

Flash Flood · May 18, 2020. A very slow moving low pressure system advanced east from the central Plains. Unusually deep moisture was pushed northward into the Great Lakes region, ahead of this low. Multiple rounds of heavy rain fell in parts of northern lower Michigan on the 17th and 18th. This heavy rain targeted east central and northeast lower Michigan in particular. Rainfall amounts of 2 to 4 inches were common by the morning of the 18t…

Flood · May 18, 2020. A very slow moving low pressure system advanced east from the central Plains. Unusually deep moisture was pushed northward into the Great Lakes region, ahead of this low. Multiple rounds of heavy rain fell in parts of northern lower Michigan on the 17th and 18th. This heavy rain targeted east central and northeast lower Michigan in particular. Rainfall amounts of 2 to 4 inches were common by the morning of the 18t…

Flash Flood · Aug 10, 2020. Numerous showers and thunderstorms developed head of a cold front. Localized rainfall amounts of 2 to 3 inches produced minor flooding in a portion of Gladwin County. Isolated wind damage occurred in Alpena County.

National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.

The zones you’ll see on the map

Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.

Cross-section of a river floodplainDiagram: a river valley. The floodway is the channel and the land beside it; the 1%-annual-chance flood surface (the base flood elevation) covers the valley floor as zone A or AE; a narrow band higher up is shaded X, the 0.2% floodplain; higher ground is X.0.2% CHANCE A YEAR (500-YEAR)BASE FLOOD ELEVATION · 1% A YEARXAEFloodwayAEX
  1. A / AE Inside the 1%-a-year floodplain: about a 26% chance of flooding over a 30-year mortgage. AE has a mapped base flood elevation; plain A does not.
  2. Floodway The channel and the land beside it that has to be kept clear enough to carry the flood. Building here is tightly limited.
  3. X shaded The 0.2% (500-year) floodplain, plus some levee-protected and very shallow flood areas.
  4. X Outside both lines. No federal requirement to insure, which is not the same as no risk.

Every flood zone code explained →

Flood insurance in Gladwin County

If a building in Gladwin County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.

Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.