Official Twitter account for NOAA's National Weather Service. Details: http://weather.gov/twitter
Dangerous heat will build across the Southwest and South Plains this weekend and Monday. Southwest temps will range from the 110s to 125 in the hottest areas. Texas heat indices will be in the 100s, with some areas in the 110s. #HeatSafety
Post-Tropical Fay will bring heavy rainfall across portions of upstate New York today. Severe thunderstorms with damaging winds and hail are possible from parts of Kansas into the Mississippi Valley. Heat Advisories and Excessive Heat Warnings in effect across the Southern U.S.
As #Fay pushes into the Northeast over the next few days, think about where you will ride out the storm. Vehicles, exterior rooms and top floors of homes are not safe from the wind when there are tall trees nearby. Get inside. Protect yourself.
This graphic is based on an outside temperature of 80ºF. Shocking enough. ...but many spots this weekend will reach 100°F; when readings in a car can reach 119° in TEN MINUTES. NEVER leave children or disabled adults in parked, unattended vehicles.
Several areas of dry and windy conditions are expected across the West this weekend. A Red Flag Warning means TAKE ACTION, critical fire weather conditions are either occurring now, or will shortly. A Fire Weather Watch means BE PREPARED. Learn more at
Animals can die of heatstroke within 15 minutes, and cracking the car windows doesn’t help. NEVER leave your pets in parked vehicles.
#OTD in 1995, a four-day heat wave swept through the Midwest, blasting the Chicago area with heat indices just under 130 degrees. For those without air conditioning, the heat was deadly. Read more here: #NWS150
Hot temperatures are forecast in many areas for the next several days, so be sure to practice #HeatSafety . If you are working outside, remember to take frequent breaks & stay hydrated! Also, never leave children & pets in parked vehicles. Here's are today's forecast highs.
This event is unprecedented & all impacts are unknown & beyond anything experienced. Follow orders from officials to ensure safety. #Harvey
#Harvey in perspective. So much rain has fallen, we've had to update the color charts on our graphics in order to effectively map it.
There's an increasing chance for #Dorian to bring a triple-threat of dangers to the Florida east coast... ?life-threatening storm surge ?️devastating hurricane-force winds ?️heavy rains The onset of tropical storm force winds could be as soon as Saturday evening. Prepare NOW.
Important note as #Florence continues to close in on the Carolina coastline, storm surge is not just an "ocean" problem tonight. Significant surge is expected to occur in the NC inlets and rivers, some areas in excess of 9 feet!
Keep your eyes out for fake forecasts. THIS is what an official NOAA advisory looks like. Note: forecast only goes out 5 days. #Irma
Summer solstice - the first day of astronomical Summer - is THIS AFTERNOON at 5:43pm Eastern. Today has the most daylight of the year in the Northern Hemisphere. Number of hours of daylight: Utqiagvik, AK - 24:00 New York - 15:06 Los Angeles - 14:26 Miami - 13:45 South Pole - 0
For our friends in TX, if experiencing life-threatening flooding, move to a higher floor with windows or to the roof. #Harvey
#HurricaneFlorence is very large and incredibly dangerous. ✅Follow local evacuation orders! ✅Prepare for life-threatening, catastrophic flooding over portions of the Carolinas and Mid-Atlantic states late this week into early next week.