Heat, Charles
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Charles forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 38.474, -77.013 (the zone’s center; the record gives no point)
Heat and Damaging Wind in Maryland, June 25, 2000
High pressure in combination with sunny skies caused afternoon temperatures to reach into the upper 80s to middle 90s on the 25th. Dew points reached into the lower 70s creating heat indices in the middle 90s to lower 100s.
Where it happened
Every event with a place to put it; 14 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
The toll
- Deaths
- 0
- Injuries
- 1
- Property damage
- $36,000
- Crop damage
- None recorded
- Events
- 18
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.
High pressure in combination with sunny skies caused afternoon temperatures to reach into the upper 80s to middle 90s on the 25th. Dew points reached into the lower 70s creating heat indices in the middle 90s to lower 100s. Normal high temperatures across the area for the last week of June are in the middle to upper 80s. The combination of heat and humidity also led to the development of several thunderstorms, some of which produced damaging wind, very heavy rainfall, frequent lighting, and large hail. In Allegany County, a 45 year old man was struck by lightning while standing under a camper awning near Little Orleans. The victim was thrown against the camper by the strike and received a black burn mark on his right hand. Trees were downed and hail also fell at the campsite. In Frederick County, a lightning strike started a fire in the attic of a hotel in Frederick. A lightning strike also started a garage fire in Woodsboro. In Montgomery County, 2.25 inches of rain fell near Poolesville, 2.06 inches fell near Bethesda, 1.80 inches fell at Brighton Dam, and 1.57 inches fell near Cedar Grove. In Howard County, 1.50 inches fell in Cooksville.
The radar
The Sterling radar (KLWX), 69 km away, was scanning. The volume nearest the first event began at 22:13 UTC.
Event by event
12 heat, 3 lightning, 2 heavy rain, 1 thunderstorm wind. Local standard time, as filed.
Heat, Calvert
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Calvert forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 38.535, -76.531 (the zone’s center; the record gives no point)
Heat, St. Mary'S
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- St. Mary'S forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 38.216, -76.529 (the zone’s center; the record gives no point)
Heat, Prince Georges
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Prince Georges forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 38.830, -76.847 (the zone’s center; the record gives no point)
Heat, Anne Arundel
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Anne Arundel forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 38.994, -76.568 (the zone’s center; the record gives no point)
Heat, Montgomery
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Montgomery forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Heat, Howard
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Howard forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Heat, Allegany
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Allegany forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Heat, Washington
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Washington forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.604, -77.814 (the zone’s center; the record gives no point)
Heat, Frederick
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Frederick forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.472, -77.398 (the zone’s center; the record gives no point)
Heat, Northern Baltimore
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Northern Baltimore forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.443, -76.616 (the zone’s center; the record gives no point)
Heat, Southern Baltimore / Baltimore (C)
- When
- June 25, 8:00 AM EST to 6:00 PM EST
- Where
- Southern Baltimore / Baltimore (C) forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.367, -76.614 (the zone’s center; the record gives no point)
Thunderstorm Wind, Allegany
- When
- June 25, 5:15 PM EST
- Where
- Allegany County, Little Orleans
- Property damage
- $1,000
- Reported by
- NEWSPAPER
- Coordinates
- 39.633, -78.383
Trees were uprooted.
Lightning, Allegany
- When
- June 25, 5:30 PM EST
- Where
- Allegany County, Little Orleans
- Injuries
- 1 direct, 0 indirect
- Reported by
- NEWSPAPER
- Coordinates
- 39.622, -78.699 (the zone’s center; the record gives no point)
A 45 year old man was injured by lightning at a campground.
Lightning, Frederick
- When
- June 25, 8:30 PM EST
- Where
- Frederick County, Woodsboro
- Property damage
- $25,000
- Reported by
- NEWSPAPER
- Coordinates
- 39.472, -77.398 (the zone’s center; the record gives no point)
A lightning strike damaged a garage.
Lightning, Frederick
- When
- June 25, 8:30 PM EST
- Where
- Frederick County, Frederick
- Property damage
- $10,000
- Reported by
- NEWSPAPER
- Coordinates
- 39.472, -77.398 (the zone’s center; the record gives no point)
Lightning started a fire in the attic of a hotel.
Heavy Rain, Montgomery
- When
- June 25, 10:00 PM EST to 11:59 PM EST
- Where
- Montgomery County, West Portion
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.136, -77.204 (the zone’s center; the record gives no point)
Heavy Rain, Howard
- When
- June 25, 10:00 PM EST to 11:59 PM EST
- Where
- Howard County, Countywide
- Reported by
- TRAINED SPOTTER
- Coordinates
- 39.251, -76.931 (the zone’s center; the record gives no point)
What these are
- Heat
- Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Lightning
- A lightning strike that killed, injured or caused damage.
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Pennsylvania, June 25 to 26, 2000
- Damaging Winds and Lightning Strike in North Carolina, June 25, 2000
- Tornado and Flash Flooding in Iowa, June 25 to 26, 2000
- Heat in Alabama, June 25, 2000
- Flash Flood in Pennsylvania, June 25 to 26, 2000
- Lightning Strike in Florida, June 25, 2000
- Flash Flood and Hail in Texas, June 25, 2000
- Tornado and Hail in Nebraska, June 25, 2000
- Lightning Strike in New Hampshire, June 25, 2000
- Hail and Damaging Winds in Missouri, June 25, 2000
- Hail and Damaging Winds in New York, June 25, 2000
- Flash Flood in Nebraska, June 25, 2000
More
Every storm in Maryland in 2000Every state in 2000This day in weather historyWarnings in Maryland, June 2000
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 2026-09-24. Each event’s entry at NCEI: 5153671, 5153672, 5153673, 5153674, 5153675, 5153676, 5153677, 5153678, 5154004, 5154005, 5154006, 5154007, 5154089, 5154090, 5154091, 5154092, 5154093, 5154094.