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Active official alertUpdated

Heat Advisory for Charles; St. Marys; Calvert +18 more

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What you need to know

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Ends or expires
Official severity
Moderate
Official urgency
Expected
Official certainty
Likely

What is happening

What: Heat index values between 100 to 105 expected. Impacts: Hot temperatures and high humidity may cause heat illnesses. Where: Portions of southern Maryland, central, northern, and northwest Virginia, and panhandle West Virginia. When: From 11 AM to 7 PM EDT Thursday.

What the bulletin says to do

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Full official description

Bulletin details

* WHAT...Heat index values between 100 to 105 expected. * WHERE...Portions of southern Maryland, central, northern, and northwest Virginia, and panhandle West Virginia. * WHEN...From 11 AM to 7 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

9 captured
  1. Update

    Heat Advisory issued September 2 at 6:02PM EDT until September 3 at 7:00PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  2. Update

    Heat Advisory issued September 2 at 5:14PM EDT until September 3 at 7:00PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  3. Update

    Heat Advisory issued September 2 at 5:14PM EDT until September 3 at 7:00PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  4. Update

    Heat Advisory issued September 2 at 4:37PM EDT until September 3 at 7:00PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  5. Update

    Heat Advisory issued September 2 at 4:37PM EDT until September 3 at 7:00PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  6. Update

    Heat Advisory issued September 2 at 4:37PM EDT until September 3 at 7:00PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  7. Alert

    Heat Advisory issued September 2 at 4:08PM EDT until September 3 at 7:00PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  8. Alert

    Heat Advisory issued September 2 at 4:08PM EDT until September 3 at 7:00PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  9. Alert

    Heat Advisory issued September 2 at 4:08PM EDT until September 3 at 7:00PM EDT by NWS Baltimore MD/Washington DC

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Baltimore MD/Washington DC. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections