Day 3-8 Fire Weather Forecast Issued on Jul 27, 2016

Updated: Wed Jul 27 20:56:03 UTC 2016

Day 3-8 Fire Weather Forecast Graphic Issued on Jul 27, 2016
 
Day 3 Probabilistic Dry Thunder/Strong Wind FireWX Forecast Graphic Issued on Jul 27, 2016

Day 3 Experimental Probabilistic Fire Weather Outlooks:
Probability of dry thunderstorms with dry fuels within 12 miles of a point denoted by scalloped lines for
- Critical Area - 40% (blue)
- Marginal Area - 10% (brown)
Probability of strong winds, low RH, and warm temperatures concurrent for at least 3 hours with dry fuels within 12 miles of a point denoted by solid lines for
- Critical Area - 70% (red)
- Marginal Area - 40% (orange)


Day 4 Probabilistic Dry Thunder/Strong Wind FireWX Forecast Graphic Issued on Jul 27, 2016

Day 4 Experimental Probabilistic Fire Weather Outlooks:
Probability of dry thunderstorms with dry fuels within 12 miles of a point denoted by scalloped lines for
- Critical Area - 40% (blue)
- Marginal Area - 10% (brown)
Probability of strong winds, low RH, and warm temperatures concurrent for at least 3 hours with dry fuels within 12 miles of a point denoted by solid lines for
- Critical Area - 70% (red)
- Marginal Area - 40% (orange)


Day 5 Probabilistic Dry Thunder/Strong Wind FireWX Forecast Graphic Issued on Jul 27, 2016

Day 5 Experimental Probabilistic Fire Weather Outlooks:
Probability of dry thunderstorms with dry fuels within 12 miles of a point denoted by scalloped lines for
- Critical Area - 40% (blue)
- Marginal Area - 10% (brown)
Probability of strong winds, low RH, and warm temperatures concurrent for at least 3 hours with dry fuels within 12 miles of a point denoted by solid lines for
- Critical Area - 70% (red)
- Marginal Area - 40% (orange)


Day 6 Probabilistic Dry Thunder/Strong Wind FireWX Forecast Graphic Issued on Jul 27, 2016

Day 6 Experimental Probabilistic Fire Weather Outlooks:
Probability of dry thunderstorms with dry fuels within 12 miles of a point denoted by scalloped lines for
- Critical Area - 40% (blue)
- Marginal Area - 10% (brown)
Probability of strong winds, low RH, and warm temperatures concurrent for at least 3 hours with dry fuels within 12 miles of a point denoted by solid lines for
- Critical Area - 70% (red)
- Marginal Area - 40% (orange)


Day 7 Probabilistic Dry Thunder/Strong Wind FireWX Forecast Graphic Issued on Jul 27, 2016

Day 7 Experimental Probabilistic Fire Weather Outlooks:
Probability of dry thunderstorms with dry fuels within 12 miles of a point denoted by scalloped lines for
- Critical Area - 40% (blue)
- Marginal Area - 10% (brown)
Probability of strong winds, low RH, and warm temperatures concurrent for at least 3 hours with dry fuels within 12 miles of a point denoted by solid lines for
- Critical Area - 70% (red)
- Marginal Area - 40% (orange)


Day 8 Probabilistic Dry Thunder/Strong Wind FireWX Forecast Graphic Issued on Jul 27, 2016

Day 8 Experimental Probabilistic Fire Weather Outlooks:
Probability of dry thunderstorms with dry fuels within 12 miles of a point denoted by scalloped lines for
- Critical Area - 40% (blue)
- Marginal Area - 10% (brown)
Probability of strong winds, low RH, and warm temperatures concurrent for at least 3 hours with dry fuels within 12 miles of a point denoted by solid lines for
- Critical Area - 70% (red)
- Marginal Area - 40% (orange)


Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
D3Fri, Jul 29, 2016 - Sat, Jul 30, 2016 D6Mon, Aug 01, 2016 - Tue, Aug 02, 2016
D4Sat, Jul 30, 2016 - Sun, Jul 31, 2016 D7Tue, Aug 02, 2016 - Wed, Aug 03, 2016
D5Sun, Jul 31, 2016 - Mon, Aug 01, 2016 D8Wed, Aug 03, 2016 - Thu, Aug 04, 2016
(All days are valid from 12 UTC - 12 UTC)
   ZCZC SPCFWDD38 ALL
   FNUS28 KWNS 272054

   DAY 3-8 FIRE WEATHER OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0354 PM CDT WED JUL 27 2016

   VALID 291200Z - 041200Z

   MID-LEVEL RIDGING INITIALLY ANCHORED OVER THE DESERT SOUTHWEST AND
   GREAT BASIN WILL WEAKEN AND SHIFT EASTWARDS TOWARDS THE PLAINS
   THROUGH EARLY NEXT WEEK. RELATED TO THIS RIDGE BREAKDOWN...CYCLONIC
   FLOW WILL OVERSPREAD THE NORTHWESTERN CONUS...BRINGING STRONGER
   WEST/SOUTHWEST MID-LEVEL FLOW TO THE REGION.

   ...D3/FRI-D7/TUE -- GREAT BASIN/PACIFIC NORTHWEST/NORTHERN
   ROCKIES...
   WITH MOISTURE SLOWLY SPREADING NORTHWARD ACROSS THE GREAT BASIN THIS
   WEEKEND...THUNDERSTORM POTENTIAL WILL ALSO ADVANCE NORTH ACROSS THE
   REGION LATE THIS WEEK INTO THIS WEEKEND. WEAK IMPULSES EMBEDDED IN
   THE AFOREMENTIONED CYCLONIC FLOW WILL ALSO AID CONVECTIVE
   DEVELOPMENT ACROSS PARTS OF THE INTERIOR PACIFIC NORTHWEST AND
   NORTHERN ROCKIES THIS WEEKEND. ONGOING HOT/DRY CONDITIONS WILL ONLY
   FURTHER BOOST FUEL RECEPTIVENESS...INCREASING THE POTENTIAL FOR
   LIGHTNING-INDUCED FIRE STARTS. FAVORABLE PW VALUES AND LOW-LEVEL
   THERMODYNAMIC PROFILES WILL ENCOURAGE A DRY-LIGHTNING THREAT...AND
   THE ONGOING 10-PERCENT AREAS ARE MAINTAINED WITH MINOR ADJUSTMENTS.

   INCREASING WEST/SOUTHWESTERLY FLOW ACROSS THE REGION WILL OVERSPREAD
   DRY AIR SITUATED ACROSS THE INTERIOR PAC NW...NORTHERN GREAT
   BASIN...AND NORTHERN ROCKIES TO ENHANCE THE FIRE-WEATHER THREAT THIS
   WEEKEND INTO NEXT WEEK. SUCH CONDITIONS WILL FURTHER EXACERBATE FIRE
   CONCERNS FOLLOWING PERIODS OF DRY-THUNDER ACROSS PARTS OF THE
   REGION. THE 40-PERCENT AREAS ARE MAINTAINED WITH MINOR
   ADJUSTMENTS...AND PORTIONS OF THE COLUMBIA BASIN/GORGE MAY REQUIRE
   AN UPGRADE TO 70-PERCENT CRITICAL IN LATER FORECASTS.
   ADDITIONALLY...DETERMINISTIC/ENSEMBLE GUIDANCE DEPICTS A PERSISTENCE
   OF BREEZY/DRY CONDITIONS ACROSS ID ON D7/TUE...AND A 40-PERCENT AREA
   IS ADDED ACCORDINGLY.

   ..PICCA.. 07/27/2016

   ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...

   $$

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