453  
FNUS86 KLOX 180328  
FWLLOX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
828 PM PDT TUE MAR 17 2026  
 
ECC029-182130-  
LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR VANDENBERG ECC DISPATCH  
828 PM PDT TUE MAR 17 2026  
   
..DISCUSSION FROM MONTEREY  
 
THE HEAT WAVE CONTINUES WITH WARM AND DRY CONDITIONS THROUGH THE  
REMAINDER OF THE WORK WEEK, INTO THE WEEKEND. TEMPERATURES WILL  
CONTINUE TO BE 20-30 DEGREES ABOVE NORMAL THROUGH FRIDAY, WITH  
OVERNIGHT LOWS AROUND 10-20 DEGREES ABOVE NORMAL. THE WARMING WILL  
CONTINUE TO CURE FINE FUELS ACROSS OUR ENTIRE AREA WITH AN ELEVATED  
POTENTIAL FOR GRASS FIRES, ESPECIALLY AT HIGHER ELEVATIONS WHERE  
MODERATE THERMAL BELTS DEVELOP. FORTUNATELY, WINDS WILL REMAIN  
MOSTLY LIGHT WHICH WILL LIMIT ANY FIRES THAT DO SPARK FROM  
SPREADING RAPIDLY. THE LOW MIXING HEIGHT AND LIGHT WINDS WILL LIMIT  
SMOKE DISPERSION WHERE FIRES MAY DEVELOP, ALONG WITH THE HAZY  
CONDITIONS EXPECTED AS THE DOME OF HIGH PRESSURE CONTINUES TO  
BUILD.  
 
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.  
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.  
 
   
..DISCUSSION FROM LOS ANGELES/OXNARD  
 
   
..EXTREMELY RARE AND LONG DURATION HEAT WAVE THIS WEEK  
 
A STRONG UPPER LEVEL HIGH PRESSURE SYSTEM WILL BRING A PROLONGED AND  
SIGNIFICANT HEAT WAVE TO MUCH OF THE REGION THIS WEEK. ONSHORE FLOW  
WILL DEVELOP THIS AFTERNOON AND REMAIN ONSHORE THROUGH THURSDAY,  
BUT WEAK NORTH TO NORTHEAST WINDS ARE EXPECTED THURSDAY NIGHT AND  
FRIDAY MORNING. THE PEAK OF THE HEAT IS EXPECTED TO BE TODAY THROUGH  
FRIDAY WHEN TEMPERATURES AWAY FROM THE IMMEDIATE COAST ARE EXPECTED  
TO RANGE BETWEEN 90 AND 103 DEGREES. WHILE LIVE FUEL MOISTURE LEVELS  
REMAIN RATHER MOIST, THERE IS THE POTENTIAL FOR SOME SMALL GRASS  
FIRE ACTIVITY THIS WEEK DUE TO THE HOT AND DRY CONDITIONS. BY THIS  
WEEKEND, THERE IS THE POTENTIAL FOR INCREASING ONSHORE WINDS ACROSS  
THE INTERIOR (ESPECIALLY LA COUNTY MOUNTAINS AND ANTELOPE VALLEY)  
WHERE THERE MAY BE A POTENTIAL INCREASE IN GRASS FIRE ACTIVITY.  
 
 
 
ECC028-182130-  
SANTA BARBARA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR SANTA BARBARA ECC DISPATCH  
828 PM PDT TUE MAR 17 2026  
   
..EXTREMELY RARE AND LONG DURATION HEAT WAVE THIS WEEK  
 
A STRONG UPPER LEVEL HIGH PRESSURE SYSTEM WILL BRING A PROLONGED AND  
SIGNIFICANT HEAT WAVE TO MUCH OF THE REGION THIS WEEK. ONSHORE FLOW  
WILL DEVELOP THIS AFTERNOON AND REMAIN ONSHORE THROUGH THURSDAY,  
BUT WEAK NORTH TO NORTHEAST WINDS ARE EXPECTED THURSDAY NIGHT AND  
FRIDAY MORNING. THE PEAK OF THE HEAT IS EXPECTED TO BE TODAY THROUGH  
FRIDAY WHEN TEMPERATURES AWAY FROM THE IMMEDIATE COAST ARE EXPECTED  
TO RANGE BETWEEN 90 AND 103 DEGREES. WHILE LIVE FUEL MOISTURE LEVELS  
REMAIN RATHER MOIST, THERE IS THE POTENTIAL FOR SOME SMALL GRASS  
FIRE ACTIVITY THIS WEEK DUE TO THE HOT AND DRY CONDITIONS. BY THIS  
WEEKEND, THERE IS THE POTENTIAL FOR INCREASING ONSHORE WINDS ACROSS  
THE INTERIOR (ESPECIALLY LA COUNTY MOUNTAINS AND ANTELOPE VALLEY)  
WHERE THERE MAY BE A POTENTIAL INCREASE IN GRASS FIRE ACTIVITY.  
 
 
 
ECC031-182130-  
ANGELES NATIONAL FOREST-  
DISCUSSION FOR LANCASTER ECC DISPATCH  
828 PM PDT TUE MAR 17 2026  
   
..EXTREMELY RARE AND LONG DURATION HEAT WAVE THIS WEEK  
 
A STRONG UPPER LEVEL HIGH PRESSURE SYSTEM WILL BRING A PROLONGED AND  
SIGNIFICANT HEAT WAVE TO MUCH OF THE REGION THIS WEEK. ONSHORE FLOW  
WILL DEVELOP THIS AFTERNOON AND REMAIN ONSHORE THROUGH THURSDAY,  
BUT WEAK NORTH TO NORTHEAST WINDS ARE EXPECTED THURSDAY NIGHT AND  
FRIDAY MORNING. THE PEAK OF THE HEAT IS EXPECTED TO BE TODAY THROUGH  
FRIDAY WHEN TEMPERATURES AWAY FROM THE IMMEDIATE COAST ARE EXPECTED  
TO RANGE BETWEEN 90 AND 103 DEGREES. WHILE LIVE FUEL MOISTURE LEVELS  
REMAIN RATHER MOIST, THERE IS THE POTENTIAL FOR SOME SMALL GRASS  
FIRE ACTIVITY THIS WEEK DUE TO THE HOT AND DRY CONDITIONS. BY THIS  
WEEKEND, THERE IS THE POTENTIAL FOR INCREASING ONSHORE WINDS ACROSS  
THE INTERIOR (ESPECIALLY LA COUNTY MOUNTAINS AND ANTELOPE VALLEY)  
WHERE THERE MAY BE A POTENTIAL INCREASE IN GRASS FIRE ACTIVITY.  
 
 
 
ECC024-182130-  
SAN LUIS OBISPO COUNTY-  
DISCUSSION FOR SAN LUIS OBISPO ECC DISPATCH  
828 PM PDT TUE MAR 17 2026  
   
..EXTREMELY RARE AND LONG DURATION HEAT WAVE THIS WEEK  
 
A STRONG UPPER LEVEL HIGH PRESSURE SYSTEM WILL BRING A PROLONGED AND  
SIGNIFICANT HEAT WAVE TO MUCH OF THE REGION THIS WEEK. ONSHORE FLOW  
WILL DEVELOP THIS AFTERNOON AND REMAIN ONSHORE THROUGH THURSDAY,  
BUT WEAK NORTH TO NORTHEAST WINDS ARE EXPECTED THURSDAY NIGHT AND  
FRIDAY MORNING. THE PEAK OF THE HEAT IS EXPECTED TO BE TODAY THROUGH  
FRIDAY WHEN TEMPERATURES AWAY FROM THE IMMEDIATE COAST ARE EXPECTED  
TO RANGE BETWEEN 90 AND 103 DEGREES. WHILE LIVE FUEL MOISTURE LEVELS  
REMAIN RATHER MOIST, THERE IS THE POTENTIAL FOR SOME SMALL GRASS  
FIRE ACTIVITY THIS WEEK DUE TO THE HOT AND DRY CONDITIONS. BY THIS  
WEEKEND, THERE IS THE POTENTIAL FOR INCREASING ONSHORE WINDS ACROSS  
THE INTERIOR (ESPECIALLY LA COUNTY MOUNTAINS AND ANTELOPE VALLEY)  
WHERE THERE MAY BE A POTENTIAL INCREASE IN GRASS FIRE ACTIVITY.  
 
 
 
ECC032-182130-  
VENTURA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR VENTURA ECC DISPATCH  
828 PM PDT TUE MAR 17 2026  
   
..EXTREMELY RARE AND LONG DURATION HEAT WAVE THIS WEEK  
 
A STRONG UPPER LEVEL HIGH PRESSURE SYSTEM WILL BRING A PROLONGED AND  
SIGNIFICANT HEAT WAVE TO MUCH OF THE REGION THIS WEEK. ONSHORE FLOW  
WILL DEVELOP THIS AFTERNOON AND REMAIN ONSHORE THROUGH THURSDAY,  
BUT WEAK NORTH TO NORTHEAST WINDS ARE EXPECTED THURSDAY NIGHT AND  
FRIDAY MORNING. THE PEAK OF THE HEAT IS EXPECTED TO BE TODAY THROUGH  
FRIDAY WHEN TEMPERATURES AWAY FROM THE IMMEDIATE COAST ARE EXPECTED  
TO RANGE BETWEEN 90 AND 103 DEGREES. WHILE LIVE FUEL MOISTURE LEVELS  
REMAIN RATHER MOIST, THERE IS THE POTENTIAL FOR SOME SMALL GRASS  
FIRE ACTIVITY THIS WEEK DUE TO THE HOT AND DRY CONDITIONS. BY THIS  
WEEKEND, THERE IS THE POTENTIAL FOR INCREASING ONSHORE WINDS ACROSS  
THE INTERIOR (ESPECIALLY LA COUNTY MOUNTAINS AND ANTELOPE VALLEY)  
WHERE THERE MAY BE A POTENTIAL INCREASE IN GRASS FIRE ACTIVITY.  
 
 
 
ECC030-182130-  
LOS ANGELES COUNTY EXCLUDING ANGELES NATIONAL FOREST-  
DISCUSSION FOR LOS ANGELES ECC DISPATCH  
828 PM PDT TUE MAR 17 2026  
   
..EXTREMELY RARE AND LONG DURATION HEAT WAVE THIS WEEK  
 
A STRONG UPPER LEVEL HIGH PRESSURE SYSTEM WILL BRING A PROLONGED AND  
SIGNIFICANT HEAT WAVE TO MUCH OF THE REGION THIS WEEK. ONSHORE FLOW  
WILL DEVELOP THIS AFTERNOON AND REMAIN ONSHORE THROUGH THURSDAY,  
BUT WEAK NORTH TO NORTHEAST WINDS ARE EXPECTED THURSDAY NIGHT AND  
FRIDAY MORNING. THE PEAK OF THE HEAT IS EXPECTED TO BE TODAY THROUGH  
FRIDAY WHEN TEMPERATURES AWAY FROM THE IMMEDIATE COAST ARE EXPECTED  
TO RANGE BETWEEN 90 AND 103 DEGREES. WHILE LIVE FUEL MOISTURE LEVELS  
REMAIN RATHER MOIST, THERE IS THE POTENTIAL FOR SOME SMALL GRASS  
FIRE ACTIVITY THIS WEEK DUE TO THE HOT AND DRY CONDITIONS. BY THIS  
WEEKEND, THERE IS THE POTENTIAL FOR INCREASING ONSHORE WINDS ACROSS  
THE INTERIOR (ESPECIALLY LA COUNTY MOUNTAINS AND ANTELOPE VALLEY)  
WHERE THERE MAY BE A POTENTIAL INCREASE IN GRASS FIRE ACTIVITY.  
 
 
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