Storm Prediction Center Day 1 Fire Weather Outlook
Created: Mon May 22 16:55:03 UTC 2017 ( | )
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ZCZC SPCFWDDY1 ALL FNUS21 KWNS 221623 Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1123 AM CDT Mon May 22 2017 Valid 221700Z - 231200Z ...NO CRITICAL AREAS... Morning observations and latest numerical guidance support the ongoing forecast. No changes necessary. ..Marsh.. 05/22/2017 .PREV DISCUSSION... /ISSUED 0109 AM CDT Mon May 22 2017/ ...Synopsis... Large cyclone currently centered over northwest Ontario will expand throughout the period, encouraged by several shortwave troughs rotating through its eastern and western periphery. One such shortwave trough is expected to move through the northern Plains and central Plains. Cold airmass associated with this southward progressing shortwave trough will more through much of the region with the attendant cold front likely stretching from the upper MS Valley southwestward to the central High Plains by 00Z Tuesday. Elsewhere, widespread shower and thunderstorms are anticipated across much of the Southeast and mid-Atlantic while upper ridging builds across the West Coast. ...Northwest/north-central NM... Surface pressure gradient will increase across the region ahead of the approaching cold front. This tightened surface pressure gradient coupled with modest northwesterly flow aloft will foster some breezy conditions (i.e. sustained winds around 15 to 20 mph) this afternoon. Additionally, despite below-average temperatures, deep boundary-layer mixing amidst the antecedent dry conditions will support afternoon RH values in the teens. This mix of breezy winds and low RH will result in some locally elevated fire weather conditions but generally unreceptive fuels and short duration of these conditions will preclude a higher fire weather threat. ...Please see www.spc.noaa.gov/fire for graphic product...
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