Maryland, 2018
The year's recorded storm events, federal disaster declarations and flood insurance claims.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders.
Events by hazard
Includes events recorded by forecast zone. The state's yearly total for 2018 was 1,220 against 851 in 2017.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 3 Jul 2018 | Forecast zone | Excessive Heat | — | — | 8 | — |
| 16 Jul 2018 | Forecast zone | Heat | — | — | 3 | — |
| 6 Aug 2018 | Forecast zone | Heat | — | — | 2 | — |
| 17 Jul 2018 | Anne Arundel | Heat | — | — | 2 | — |
| 31 Aug 2018 | Harford | Flash Flood | — | — | 2 | — |
| 2 Nov 2018 | Baltimore city | Tornado | EF1 | — | 2 | — |
| 27 May 2018 | Howard | Flash Flood | — | $10,500,000 | 1 | — |
| 2 Mar 2018 | Forecast zone | High Wind | 58 mph | — | 1 | — |
| 17 Aug 2018 | Forecast zone | Heat | — | — | 1 | — |
| 18 Jun 2018 | Forecast zone | Heat | — | — | 1 | — |
| 3 Jul 2018 | Anne Arundel | Excessive Heat | — | — | 1 | — |
| 28 Aug 2018 | Forecast zone | Heat | — | — | 1 | — |
| 16 Jul 2018 | Forecast zone | Heat | — | — | 1 | — |
| 16 Jul 2018 | Anne Arundel | Heat | — | — | 1 | — |
| 17 Jul 2018 | Forecast zone | Heat | — | — | 1 | — |
| 17 Jul 2018 | Forecast zone | Heat | — | — | 1 | — |
| 7 Aug 2018 | Anne Arundel | Lightning | — | — | — | 6 |
| 15 May 2018 | Frederick | Flash Flood | — | $43,200,000 | — | — |
| 2 Mar 2018 | Forecast zone | High Wind | 69 mph | — | — | 2 |
| 2 Nov 2018 | Baltimore | Tornado | EF1 | $15,000 | — | 1 |
| 7 Aug 2018 | Anne Arundel | Lightning | — | — | — | 1 |
| 8 Aug 2018 | Baltimore | Lightning | — | — | — | 1 |
| 27 May 2018 | Baltimore | Flash Flood | — | $8,600,000 | — | — |
| 15 May 2018 | Washington | Flash Flood | — | $4,600,000 | — | — |
| 27 May 2018 | Baltimore city | Flash Flood | — | $3,000,000 | — | — |
| 15 May 2018 | Frederick | Flash Flood | — | $1,000,000 | — | — |
| 2 Nov 2018 | Carroll | Tornado | EF2 | $900,000 | — | — |
| 15 May 2018 | Washington | Flash Flood | — | $50,000 | — | — |
| 15 May 2018 | Washington | Flash Flood | — | $50,000 | — | — |
| 15 May 2018 | Frederick | Flash Flood | — | $50,000 | — | — |
| 2 Nov 2018 | Howard | Tornado | EF1 | — | — | — |
Up to 40 events with deaths, injuries, damage of $50,000 or more, or a tornado rating, ranked by deaths, injuries and damage.
Federal disaster declarations in 2018
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 2 Jul 2018 | DR-4376 | Major disaster | Flood | Severe Storm And Flooding | 2 |
| 25 Jun 2018 | DR-4374 | Major disaster | Severe Storm | Severe Storms And Flooding | 2 |
Flood insurance claims with a 2018 date of loss
606 NFIP claims, 429 of them paid, for $13,181,749.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (29 Sep 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 30 Sep 2026.