Maryland, 2019

Heat in Maryland, July 22, 2019

July 22, 2019 · NWS LWX · 2 events in 2 counties and zones

Temperatures in the mid 90s combined with dew points in the 70s to create heat index values around 105 degrees.

Where it happened

Every event with a place to put it; 2 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
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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.

Temperatures in the mid 90s combined with dew points in the 70s to create heat index values around 105 degrees.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before the first event at Jul 22, 9:25 AM EST, 35 minutes earlier.

Area forecast discussion, Jul 22, 9:25 AM EST, 35 minutes before
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Hazardous weather outlook, Jul 22, 4:00 AM EST, 6 hours before
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In the hours before

Local storm report, Jul 22, 4:21 AM EST, 5 hours 39 minutes before
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Local storm report, Jul 22, 4:29 AM EST, 5 hours 31 minutes before
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The radar

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

Open the radar archive at this moment

Event by event

2 heat. Local standard time, as filed.

Heat, St. Mary'S

When
July 22, 10:00 AM EST to 6:00 PM EST
Where
St. Mary'S forecast zone
Reported by
ASOS
Coordinates
38.216, -76.529 (the zone’s center; the record gives no point)

Heat index values exceeded 105 degrees.

Heat, Calvert

When
July 22, 10:00 AM EST to 6:00 PM EST
Where
Calvert forecast zone
Reported by
ASOS
Coordinates
38.535, -76.531 (the zone’s center; the record gives no point)

Heat index values exceeded 105 degrees.

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 2019Every state in 2019This day in weather historyWarnings in Maryland, July 2019

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: 843085, 843086.