| D3: Sat, Jan 19, 2008 - Sun, Jan 20, 2008 | D6: Tue, Jan 22, 2008 - Wed, Jan 23, 2008 |
| D4: Sun, Jan 20, 2008 - Mon, Jan 21, 2008 | D7: Wed, Jan 23, 2008 - Thu, Jan 24, 2008 |
| D5: Mon, Jan 21, 2008 - Tue, Jan 22, 2008 | D8: Thu, Jan 24, 2008 - Fri, Jan 25, 2008 |
| (All days are valid from 12 UTC - 12 UTC) | |
ZCZC SPCFWDD38 ALL FNUS28 KWNS 171001 DAY 3-8 FIRE WEATHER OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0401 AM CST THU JAN 17 2008 VALID 191200Z - 251200Z ...DISCUSSION... MEDIUM RANGE MODELS ARE IN GOOD AGREEMENT WITH THE EVOLUTION OF THE LARGE SCALE PATTERN ACROSS NORTH AMERICA THROUGH AT LEAST DAY 6. AS THE AMPLIFICATION OF AN UPPER RIDGE OCCURS OVER THE ERN PACIFIC...DOWNSTREAM UPPER TROUGHING WILL BE REINFORCED OVER CANADA AND THE WRN UNITED STATES DURING DAYS 3-5...BRINGING MUCH COLDER TEMPERATURES AND ONSHORE FLOW TO CA. DOWNSTREAM OF THIS UPPER TROUGHING...ZONAL FLOW WILL BECOME PREVALENT OVER THE SRN HALF OF THE CONUS DURING THIS PERIOD IN THE WAKE OF A STRONG UPPER TROUGH. THIS SHOULD RESULT IN A SLIGHT NWD MOVEMENT OF AN ARCTIC FRONTAL BOUNDARY OVER THE SRN PLAINS DURING DAYS 3-4 /SAT-SUN/. DESPITE STRENGTHENING SFC WINDS TO THE SOUTH OF THIS BOUNDARY... RELATIVELY COOL TEMPERATURES SHOULD PRECLUDE CRITICAL FIRE WEATHER CONDITIONS IN THIS REGION. TO THE WEST OF A SHALLOW ARCTIC FRONTAL BOUNDARY MED RANGE MODELS INDICATE CRITICAL FIRE WEATHER CONDITIONS MAY OCCUR DURING DAYS 5-7 /MON-WED/ OVER THE SRN HIGH PLAINS OF FAR WRN TX/ERN NM AS THE UPPER TROUGH EJECTS OUT OF THE WRN STATES. HOWEVER...SUFFICIENT UNCERTAINTY EXISTS REGARDING THE POSITION/DEPTH OF THE FRONTAL BOUNDARY AND TEMPERATURES TO THE WEST/SOUTH OF THE FRONT TO PRECLUDE ANY CRITICAL FIRE WEATHER AREAS ATTM. ..CROSBIE.. 01/17/2008 ...PLEASE SEE WWW.SPC.NOAA.GOV/FIRE FOR GRAPHIC PRODUCT... $$