Heat in Maryland, June 12 to 13, 2001

Name: Heat in Maryland, June 12 to 13, 2001
Start: 2001-06-12T12:00
End: 2001-06-13T18:00
Location: Maryland

June 12 to 13, 2001 · NWS LWX · 14 events in 14 counties and zones

High pressure in combination with southerly winds brought hot, hazy, and humid conditions to the Mid Atlantic region between June 12th and 13th. High temperatures soared to around 90 degrees and heat indices reached near 100 degrees through the period.

Where it happened

Every event with a place to put it; 10 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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 14

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.

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 Jun 12, 9:00 AM EST, 3 hours earlier.

Area forecast discussion, Jun 12, 9:00 AM EST, 3 hours before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
1000 AM EDT TUE JUN 12 2001

A FEW MORE HIGH CLOUDS WILL MAKE IT INTO THE CWA THAN EARLIER
EXPECTED. BUT SHOULD REMAIN PRETTY THIN...CURRENT HIGH TEMPS AND MO
TO PT SUNNY WORDING SEEMS FINE. SO NO UPDATE ANTICIPATED ATTM.

.LWX...
DC...NONE.
MD...NONE.
VA...NONE.
WV...NONE.

In the hours before

Special weather statement, Jun 12, 10:30 AM EST, 1 hour 30 minutes before

DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042-
050>057-WVZ048>055-122300-

SPECIAL WEATHER STATEMENT...CORRECTION EXPIRATION TIME...
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
1130 AM EDT TUE JUN 12 2001

...HOT AND HUMID WEATHER EXPECTED FOR THE MID ATLANTIC TODAY AND WEDNESDAY...

TODAY AND WEDNESDAY ARE EXPECTED TO BE THE WARMEST DAYS OF THE WEEK.
HIGH TEMPERATURES TODAY WILL BE AROUND 90 DEGREES... WHILE HIGHS ON
WEDNESDAY ARE EXPECTED TO REACH THE LOWER 90S IN MOST AREAS. WITH
DEW POINT TEMPERATURES IN THE UPPER 60S TO NEAR 70... HEAT INDEX
VALUES WILL BE NEAR 95 DEGREES THIS AFTERNOON AND BETWEEN 95 TO 100
DEGREES WEDNESDAY AFTERNOON. HOT AND HUMID WEATHER WILL LAST INTO
THURSDAY...ALTHOUGH HEAT INDICES WILL BE BELOW 95 DEGREES.

NIGHTTIME WILL PROVIDE LITTLE RELIEF...ESPECIALLY IN THE INNER CITY
AREAS OF WASHINGTON AND BALTIMORE.

PERSONS PLANNING OUTDOOR ACTIVITIES THIS AFTERNOON AND WEDNESDAY MAY
WANT TO CONSIDER THE HIGH TEMPERATURES AND HUMIDITY. IF YOU ARE
OUTSIDE DURING THE HEAT OF THE DAY...TRY NOT TO OVER-EXERT YOURSELF
AND DRINK PLENTY OF LIQUIDS.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

ND

Special weather statement, Jun 12, 10:30 AM EST, 1 hour 30 minutes before

DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042-
050>057-WVZ048>055-121500-

SPECIAL WEATHER STATEMENT...CORRECTION PIL...
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
1130 AM EDT TUE JUN 12 2001

...HOT AND HUMID WEATHER EXPECTED FOR THE MID ATLANTIC TODAY AND WEDNESDAY...

TODAY AND WEDNESDAY ARE EXPECTED TO BE THE WARMEST DAYS OF THE WEEK.
HIGH TEMPERATURES TODAY WILL BE AROUND 90 DEGREES... WHILE HIGHS ON
WEDNESDAY ARE EXPECTED TO REACH THE LOWER 90S IN MOST AREAS. WITH
DEW POINT TEMPERATURES IN THE UPPER 60S TO NEAR 70... HEAT INDEX
VALUES WILL BE NEAR 95 DEGREES THIS AFTERNOON AND BETWEEN 95 TO 100
DEGREES WEDNESDAY AFTERNOON. HOT AND HUMID WEATHER WILL LAST INTO
THURSDAY...ALTHOUGH HEAT INDICES WILL BE BELOW 95 DEGREES.

NIGHTTIME WILL PROVIDE LITTLE RELIEF...ESPECIALLY IN THE INNER CITY
AREAS OF WASHINGTON AND BALTIMORE.

PERSONS PLANNING OUTDOOR ACTIVITIES THIS AFTERNOON AND WEDNESDAY MAY
WANT TO CONSIDER THE HIGH TEMPERATURES AND HUMIDITY. IF YOU ARE
OUTSIDE DURING THE HEAT OF THE DAY...TRY NOT TO OVER-EXERT YOURSELF
AND DRINK PLENTY OF LIQUIDS.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES.

ND

The radar

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

Open the radar archive at this moment

Event by event

14 heat. Local standard time, as filed.

Heat, Allegany

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Allegany forecast zone
Reported by: OFFICIAL NWS OBS.

Heat, Washington

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Washington forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 39.604, -77.814 (the zone’s center; the record gives no point)

Heat, Frederick

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Frederick forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 39.472, -77.398 (the zone’s center; the record gives no point)

Heat, Carroll

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Carroll forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 39.563, -77.022 (the zone’s center; the record gives no point)

Heat, Northern Baltimore

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Northern Baltimore forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 39.443, -76.616 (the zone’s center; the record gives no point)

Heat, Southern Baltimore / Baltimore (C)

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Southern Baltimore / Baltimore (C) forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 39.367, -76.614 (the zone’s center; the record gives no point)

Heat, Harford

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Harford forecast zone
Reported by: OFFICIAL NWS OBS.

Heat, Howard

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Howard forecast zone
Reported by: OFFICIAL NWS OBS.

Heat, Montgomery

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Montgomery forecast zone
Reported by: OFFICIAL NWS OBS.

Heat, Prince Georges

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Prince Georges forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 38.830, -76.847 (the zone’s center; the record gives no point)

Heat, Anne Arundel

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Anne Arundel forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 38.994, -76.568 (the zone’s center; the record gives no point)

Heat, Calvert

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Calvert forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 38.535, -76.531 (the zone’s center; the record gives no point)

Heat, Charles

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: Charles forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 38.474, -77.013 (the zone’s center; the record gives no point)

Heat, St. Mary'S

When: June 12, 12:00 PM EST to June 13, 6:00 PM EST
Where: St. Mary'S forecast zone
Reported by: OFFICIAL NWS OBS.
Coordinates: 38.216, -76.529 (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

Every storm in Maryland in 2001 Every state in 2001 This day in weather history Warnings in Maryland, June 2001

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: 5254522, 5254523, 5254739, 5254740, 5254741, 5254742, 5254743, 5254744, 5254745, 5254746, 5254747, 5254748, 5254749, 5254750.