Maryland, 2018

Heat in Maryland, July 17, 2018

July 17, 2018 · NWS LWX · 3 events in 3 counties and zones

A southerly flow caused hot and humid conditions.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
4
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS LWX wrote it up.

A southerly flow caused hot and humid conditions.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

3 heat. Local standard time, as filed.

Heat, Anne Arundel

When
July 17, 11:00 AM EST to 5:00 PM EST
Where
Anne Arundel forecast zone
Deaths
2 direct, 0 indirect
Reported by
ASOS
Coordinates
38.994, -76.568 (the zone’s center; the record gives no point)

Heat indices were in the mid 90s. The Maryland Department of Health reported 2 fatalities due to the heat during the week of July 17th through July 23rd.

Heat, Prince Georges

When
July 17, 11:00 AM EST to 5:00 PM EST
Where
Prince Georges forecast zone
Deaths
1 direct, 0 indirect
Reported by
ASOS
Coordinates
38.830, -76.847 (the zone’s center; the record gives no point)

Heat indices were in the mid 90s. The Maryland Department of Health reported 1 fatality due to the heat during the week of July 17th through July 23rd.

Heat, Southeast Harford

When
July 17, 11:00 AM EST to 5:00 PM EST
Where
Southeast Harford forecast zone
Deaths
1 direct, 0 indirect
Reported by
ASOS
Coordinates
39.536, -76.299 (the zone’s center; the record gives no point)

Heat indices were in the mid 90s. The Maryland Department of Health reported 1 fatality due to the heat during the week of July 17th through July 23rd.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Heat, Anne Arundel2018-07-17MaleUnknownDirect
Heat, Anne Arundel2018-07-17MaleUnknownDirect
Heat, Prince Georges2018-07-17FemaleUnknownDirect
Heat, Southeast Harford2018-07-17MaleUnknownDirect

What these are

Heat
Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Maryland in 2018Every state in 2018This day in weather historyWarnings in Maryland, July 2018

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 772382, 772383, 772384.