Click for Day 1 FireWX Areal Outline Product
ZCZC SPCFWDDY1 ALL
FNUS21 KWNS 170804
DAY 1 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0304 AM CDT FRI APR 17 2009
VALID 171200Z - 181200Z
...CRITICAL FIRE WEATHER AREA FOR ERN NY...VT/NH/MA/CT/RI...SWRN
ME...
...CRITICAL FIRE WEATHER AREA FOR PORTIONS OF FAR WRN TX/SERN NM...
...SYNOPSIS...
A CLOSED UPPER-LEVEL LOW OVER THE FOUR CORNERS WILL GRADUALLY FILL
AS IT SHIFTS EWD TOWARDS THE CNTRL HIGH PLAINS THROUGH EARLY SAT.
DOWNSTREAM UPPER RIDGE WILL REMAIN ANCHORED ALONG THE MS RIVER
VALLEY. AN UPPER-LEVEL SHORT WAVE TROUGH OVER HUDSON BAY WILL SLIDE
SEWD TOWARDS THE CANADIAN MARITIMES WITH AN ATTENDANT COLD FRONT
REACHING NRN ME THIS AFTERNOON AND PUSHING SWD ACROSS THE REST OF
NEW ENGLAND TONIGHT.
...CRITICAL FIRE WEATHER AREA - ERN NY...VT/NH/MA/CT/RI...SWRN ME...
PRIMARY CONDITIONS: STRONG WINDS / LOW RH / RECENT DRYNESS
W/NWLY LOW-LEVEL FLOW WILL STRENGTHEN WITH ENCROACHMENT OF A SHORT
WAVE TROUGH INTO QUEBEC. THIS WILL HELP ADVECT WELL ABOVE-NORMAL
TEMPERATURES /IN THE 60S/ AND A DRY AIR MASS /WITH PW VALUES AROUND
A QUARTER-INCH/ ACROSS MUCH OF NEW ENGLAND. AS DAYTIME HEATING
ENSUES AND LOW-LEVEL LAPSE RATES STEEPEN...MIXING OF 35 TO 50 MPH
850 MB FLOW SHOULD RESULT IN SUSTAINED SURFACE WINDS FROM 18 TO 25
MPH. THIS WILL BE JUXTAPOSED WITH RH VALUES FALLING TO BETWEEN 15
AND 25 PERCENT WITH A RESULTANT CRITICAL THREAT.
...CRITICAL FIRE WEATHER AREA - PORTIONS OF FAR WRN TX/SERN NM...
PRIMARY CONDITIONS: STRONG WINDS / VERY LOW RH / MODERATE TO SEVERE
DROUGHT
A BELT OF STRONGER MID-LEVEL FLOW WILL REMAIN CENTERED ACROSS THE
GUADALUPE/DAVIS MTNS THROUGH THIS AFTERNOON. DEEP MIXING WILL
PROMOTE SUSTAINED SURFACE WINDS OF 20 TO 30 MPH WITH RH VALUES
DROPPING TO BETWEEN 5 AND 10 PERCENT. ALTHOUGH SIMILAR CONDITIONS
MAY EXIST NEWD INTO NWRN TX...RECENT WELL-ABOVE NORMAL RAINFALL
SHOULD CURTAIL THE ERN EXTENT OF ANY CRITICAL THREAT.
...NRN LOWER/ERN UPPER MI...
AWAY FROM THE IMMEDIATE LAKE SHORES...THERMODYNAMIC CONDITIONS WILL
BE SIMILAR TO THE CRITICAL AREA IN NEW ENGLAND /TEMPERATURES IN THE
60S WITH RH VALUES OF 15 TO 25 PERCENT/. HOWEVER...LOW-LEVEL FLOW
SHOULD BE COMPARATIVELY WEAKER WITH SUSTAINED SURFACE WINDS AROUND
15 MPH.
...SWRN FL...
AN MCS OVER THE CNTRL GULF OF MEXICO HAS GENERATED AN EXTENSIVE
CLOUD DEBRIS SHIELD...WHICH SHOULD LINGER ACROSS SRN FL THROUGH THE
MORNING AND HINDER INITIAL INSOLATION. IN ADDITION...LOW-LEVEL FLOW
HAS VEERED FROM NLY TO ELY OVER THE PAST 24 HOURS. THIS SHOULD
ULTIMATELY RESULT IN MORE MARGINAL RH VALUES OF LIMITED
AREAL/TEMPORAL EXTENT COMPARED TO THU.
..GRAMS.. 04/17/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...
Click for Day 2 FireWX Areal Outline Product
ZCZC SPCFWDDY2 ALL
FNUS22 KWNS 170854
DAY 2 FIRE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0354 AM CDT FRI APR 17 2009
VALID 181200Z - 191200Z
...NO CRITICAL AREAS...
...SYNOPSIS...
AN UPPER-LEVEL LOW WILL CONTINUE A RATHER SLOW PROGRESSION ACROSS
THE CNTRL PLAINS. THIS TROUGH WILL BE FLANKED BY A PAIR OF RIDGES
ACROSS THE WRN AND ERN CONUS. A WEAK SURFACE CYCLONE SHOULD BECOME
CENTERED OVER CNTRL OK SAT AFTERNOON WITH AN ATTENDANT DRYLINE
DRAPED SWD ACROSS CNTRL TX.
...PORTIONS OF FAR WRN TX/SERN NM...
THE KINEMATIC PROFILE WILL BE WEAKER COMPARED TO DAY 1 AS THE BELT
OF STRONG MID-LEVEL WLYS SHIFTS E. NEVERTHELESS...MODERATE WINDS
WILL CONTINUE WITH SUSTAINED SURFACE SPEEDS APPROACHING 20 MPH AT
PEAK HEATING. DESPITE A SLIGHT INCREASE IN BOUNDARY LAYER MOISTURE
OWING TO WINDS VEERING FROM THE W/SW TO THE W/NW...LOW RH WILL
PERSIST WITH VALUES DROPPING TO AROUND 10 PERCENT.
..GRAMS.. 04/17/2009
...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT...