Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL FNUS21 KWNS 150809 DAY 1 FIRE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0309 AM CDT SUN MAR 15 2009 VALID 151200Z - 161200Z ...NO CRITICAL AREAS... ...SYNOPSIS... UPPER-LEVEL SPLIT FLOW REGIME WILL PERSIST INTO EARLY MON. LOW-AMPLITUDE IMPULSES EMBEDDED WITHIN LARGER-SCALE TROUGH FROM THE CNTRL PLAINS TO NRN MEXICO WILL REACH THE MID-MS VALLEY TO THE LOWER RIO GRANDE VALLEY BY MON MORNING. A SERIES OF PROGRESSIVE SHORT WAVE TROUGHS WILL ROTATE INLAND FROM THE NERN PACIFIC ACROSS THE PACIFIC NW/NRN ROCKIES AND SWRN CANADA. ...N-CNTRL CO FOOTHILLS/FAR SERN WY/NEB PANHANDLE... LOCALIZED/SHORT-DURATION CRITICAL CONDITIONS ARE EXPECTED DURING THE EARLY/MID-AFTERNOON. LOW/MID-LEVEL WLYS WILL STRENGTHEN AMIDST A WELL-MIXED THERMODYNAMIC PROFILE AND RESULT IN SUSTAINED SURFACE WINDS OF 20 TO 25 MPH. ALTHOUGH THE ANTECEDENT AIR MASS IS DRY /LATEST GPS PW VALUES OF 0.05 TO 0.10 IN/...MODEL FORECASTS ARE QUITE CONSISTENT WITH INCREASING MEAN MIXING RATIOS ALONG WITH HIGHER-LEVEL RH. AS TEMPERATURES REACH THE UPPER 50S TO MIDDLE 60S...RH VALUES SHOULD DROP TO AROUND 15 PERCENT FOR A FEW HOURS PRIOR TO GRADUALLY RISING. OVERALL JUXTAPOSITION OF STRONG WINDS WITH LOW RH APPEARS TOO MARGINAL TO WARRANT A CRITICAL AREA. ..GRAMS.. 03/15/2009 ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL FNUS22 KWNS 150857 DAY 2 FIRE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0357 AM CDT SUN MAR 15 2009 VALID 161200Z - 171200Z ...NO CRITICAL AREAS... ...SYNOPSIS... AN UPPER-LEVEL TROUGH WILL SHIFT EWD OVER THE SERN CONUS. IN THE NRN STREAM...A VIGOROUS SHORT WAVE TROUGH WILL MOVE ACROSS THE CANADIAN PRAIRIES...WHILE UPSTREAM IMPULSES CONTINUE TO PROGRESS FROM THE NERN PACIFIC INTO SWRN CANADA/NWRN CONUS. A BELT OF INTENSE MID-LEVEL WLYS WILL PENETRATE FARTHER INLAND AND STRETCH FROM THE NRN PLAINS THROUGH THE PACIFIC NW BY EARLY TUE. ...PANHANDLE/N-CNTRL NEB... WELL ABOVE-NORMAL TEMPERATURES AND LOW RH WILL DEVELOP ACROSS MUCH OF THE CNTRL/SRN HIGH PLAINS MON AFTERNOON. ON THE NRN FRINGE OF THIS AXIS...SUSTAINED WINDS MAY APPROACH 20 MPH ON THE SRN PERIPHERY OF MORE ROBUST WLYS. MODEL FORECASTS DIFFER WITH THE STRENGTH OF LOW-LEVEL FLOW WITH THE GFS 8 TO 15 MPH STRONGER THAN THE ECMWF/NAM. THE LATTER GUIDANCE WOULD SUGGEST STRONG WINDS ATTENDANT WITH LOW RH WOULD BE OF LIMITED AREAL AND TEMPORAL EXTENT. ..GRAMS.. 03/15/2009 ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...