Heat, Charles
- When
- May 6, 10:00 AM EST to May 9, 8:00 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 in Maryland, May 6 to 9, 2000
Mostly sunny skies and southerly winds brought to the region by an area of high pressure pushed temperatures well above normal from the 6th through the 9th. On the 6th, heat indices climbed into the upper 80s to mid 90s.
Where it happened
Every event with a place to put it; 9 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
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 13
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.
Mostly sunny skies and southerly winds brought to the region by an area of high pressure pushed temperatures well above normal from the 6th through the 9th. On the 6th, heat indices climbed into the upper 80s to mid 90s. Washington Reagan National Airport recorded a high temperature of 88 degrees, compared to the normal high of 74 degrees. Baltimore/Washington International Airport (BWI) recorded a high temperature of 88 degrees and the Inner Harbor of Baltimore reached 91 degrees. On the 7th, National Airport recorded a high temperature of 90 degrees. BWI Airport reached 92 degrees and Baltimore reached 94 degrees. Heat indices elsewhere ranged from 89 to 97 degrees. On the 8th, National Airport reached 90 degrees, and both BWI Airport and Baltimore rose to 92 degrees. On the 9th, National Airport reached a high of 88 degrees. BWI Airport recorded a high temperature of 90 degrees and downtown Baltimore reached 93 degrees. Heat indices elsewhere ranged from 87 to 95 degrees. Across the Washington D.C. metropolitan area, 40 people were treated for heat related illnesses during the period.
The radar
The national radar mosaic for the moment the first event began.
Event by event
13 heat. Local standard time, as filed.
Heat, Calvert
- When
- May 6, 10:00 AM EST to May 9, 8:00 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
- May 6, 10:00 AM EST to May 9, 8:00 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
- May 6, 10:00 AM EST to May 9, 8:00 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
- May 6, 10:00 AM EST to May 9, 8:00 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
- May 6, 10:00 AM EST to May 9, 8:00 PM EST
- Where
- Montgomery forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Heat, Howard
- When
- May 6, 10:00 AM EST to May 9, 8:00 PM EST
- Where
- Howard forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Heat, Allegany
- When
- May 6, 10:00 AM EST to May 9, 8:00 PM EST
- Where
- Allegany forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Heat, Washington
- When
- May 6, 10:00 AM EST to May 9, 8:00 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
- May 6, 10:00 AM EST to May 9, 8:00 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, Harford
- When
- May 6, 10:00 AM EST to May 9, 8:00 PM EST
- Where
- Harford forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
Heat, Southern Baltimore
- When
- May 6, 10:00 AM EST to May 9, 8:00 PM EST
- Where
- Southern Baltimore forecast zone
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.367, -76.614 (the zone’s center; the record gives no point)
Heat, Northern Baltimore
- When
- May 6, 10:00 AM EST to May 9, 8:00 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)
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
- Heat in Pennsylvania, May 6 to 9, 2000
- Hail in Wyoming, May 6, 2000
- Hail in Nebraska, May 6, 2000
- Heat in Virginia, May 6 to 9, 2000
- Hail in Nebraska, May 6, 2000
- Hail in Nebraska, May 6, 2000
- Heat in District of Columbia, May 6 to 9, 2000
- Hail and Damaging Wind in North Dakota, May 6, 2000
- Heat in West Virginia, May 6 to 9, 2000
- Flooding in Oklahoma, May 6, 2000
- Flooding in Oklahoma, May 6 to 8, 2000
- Hail in North Dakota, May 6, 2000
More
Every storm in Maryland in 2000Every state in 2000This day in weather historyWarnings in Maryland, May 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: 5144616, 5144617, 5144618, 5144619, 5144620, 5144621, 5144622, 5144623, 5144624, 5144625, 5144717, 5144718, 5144719.