Severe Thunderstorm Threat Increasing This Week from the High Plains to Gulf Coast

A storm system will move from the Rockies to the East Coast during the next several days bringing a severe thunderstorm threat to many parts of the nation. On Thursday, large hail will be the main threat in the High Plains. By Friday a more widespread threat will develop in the ArkLaTex region where damaging winds, very large hail and tornadoes will be possible.
Read More...

Last Update: 319 AM EDT THU MAR 23 2017

View Nearby Observations

For More Weather Information:

Philadelphia, PA Local Forecast Office

26NM S New York NY

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...
Synopsis: HIGH PRESSURE WILL BUILD ACROSS THE EAST COAST TODAY, THEN SHIFT OFFSHORE TONIGHT. A WARM FRONT WILL LIFT TO OUR NORTHWEST FRIDAY, THEN A BACKDOOR COLD FRONT PUSHES THROUGH THE AREA SATURDAY. THIS FRONT IS FORECAST TO STALL NEAR THE SOUTHERN PORTIONS OF THE AREA THROUGH SUNDAY, BUT MAY RETURN NORTHWARD AS A WARM FRONT MONDAY. A COUPLE OF LOW PRESSURE SYSTEMS ARE FORECAST MOVE ACROSS THE EAST COAST THROUGH EARLY NEXT WEEK.

Today
NW winds 15 to 20 kt with gusts up to 25 kt...becoming W 5 to 10 kt. Seas 4 to 7 ft...subsiding to 2 to 3 ft...becoming mainly in NE swell with a dominant period of 8 seconds this afternoon. A chance of light freezing spray early this morning.
Tonight
SW winds 5 to 10 kt. Seas 1 to 2 ft.
Fri
S winds 10 to 15 kt with gusts up to 20 kt...becoming SW 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Mainly in S swell with a dominant period of 6 seconds. A chance of rain early in the afternoon.
Fri Night
SW winds 15 to 20 kt with gusts up to 30 kt... Diminishing to 10 to 15 kt with gusts up to 20 kt late. Seas 4 to 5 ft. Mainly in S swell with a dominant period of 5 seconds.
Sat
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft.
Sat Night
S winds 10 to 15 kt...becoming E after midnight. Seas 2 to 4 ft. A chance of showers.
Sun
E winds 15 to 20 kt. Seas 3 to 5 ft. Rain likely.
Sun Night
E winds 15 to 20 kt...becoming SE 10 to 15 kt after midnight. Seas 5 to 6 ft. Rain likely.
Mon
SE winds 10 to 15 kt...diminishing to 5 to 10 kt in the afternoon. Seas 5 to 6 ft. Rain likely.
Mon Night
NE winds 5 to 10 kt...increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. Rain likely...mainly in the evening.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 319 AM EDT THU MAR 23 2017
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data