Signs of things to come? A STRONG cold front!
Posted: Wed Aug 18, 2004 6:35 am
Could this be a sign of things to come? The first "COLD FRONT" of the season is projected to hit next week
This has been, WITHOUT a doubt, the COOLEST summers I've ever seen in my 30 years of watching the weather! Once this cold front passes thru Az and Rocky Mountains, y'all that live in the Plains and Mid West need to keep a CLOSE eye on this, talk about SEVERE WEATHER!
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
330 AM MST WED AUG 18 2004
.SYNOPSIS...SCATTERED SHOWERS AND THUNDERSTORMS WILL AGAIN DEVELOP
DURING THE LATE MORNING AND AFTERNOON HOURS OVER NORTHERN
ARIZONA. ON THURSDAY...A SLOW DRYING TREND IS EXPECTED TO
BEGIN...LEADING TO A DECREASE IN AREAL COVERAGE OF THUNDERSTORMS
FROM THE WEST THURSDAY AND SPREADING TOWARD THE EAST BY THE
BEGINNING OF THE WEEKEND. A STRONG STORM SYSTEM WILL BRING AN
INCREASE IN SHOWERS AND THUNDERSTORM ACTIVITY BY THE MIDDLE OF NEXT
WEEK ALONG WITH MUCH COOLER TEMPERATURES.
&&
.DISCUSSION...MONSOON MOISTURE WILL SLOWLY LOOSE ITS GRIP ON THE
REGION...AND GET PUSHED EASTWARD AS WEST TO NORTHWEST FLOW USHERS IN
DRIER AIR. TODAY AND THURSDAY WILL BE THE LAST DAY OF ANY
APPRECIABLE MONSOON MOISTURE THIS WEEK. A TROUGH OF LOW PRESSURE
WILL MOVE ACROSS NORTHEAST SECTIONS OF THE STATE ON THURSDAY AND
BRING AN INCREASE IN PRECIP CHC'S OVER THE NORTHEAST PLATEAUS...
CHUSKA MOUNTAINS...AND DOWN INTO TO THE WHITE MOUNTAINS. THIS SYSTEM
WILL PROVIDE SOME LARGE SCALE LIFT AND WITH A MOIST AND UNSTABLE
ATMOS TO WORK ON...STRONG THUNDERSTORMS WILL DEVELOP DURING THE
AFTERNOON. THERE WILL BE GOOD AMOUNTS OF SPEED SHEAR AND DIRECTIONAL
SHEAR FOR ORGANIZED THUNDERSTORMS AND THE POTENTIAL FOR SEVERE
WEATHER...ESPECIALLY IN THE NORTHEAST PART OF THE STATE. IT WILL BE
BREEZY AS WELL IN THE NORTHEAST ON THURSDAY.
DRIER AND WARMER CONDITIONS BY THE WEEKEND AS A RIDGE OF HIGH
PRESSURE AND A DRY SOUTHWEST FLOW DEVELOP ACROSS THE AREA. A DEEP
TROUGH OF LOW PRESSURE WILL BEGIN TO DEVELOP ACROSS THE WESTERN
STATES EARLY NEXT WEEK. THIS SYSTEM WILL BRING COOLER AND BREEZY
CONDITIONS ALONG WITH A INCREASING CHC OF SHOWERS AND THUNDERSTORMS.
THE GFS IS SHOWING AND INCREASE IN MOISTURE AS EARLY AS LATE MONDAY.
IT IS STILL TO EARLY TO TELL IF THIS SYSTEM WILL PULL TROPICAL
MOISTURE FROM MEXICO AHEAD OF IT. IF THIS SYSTEM DIGS TO FAR TO THE
EAST THEN COOL...DRY...AND BREEZY CONDITIONS CAN BE EXPECTED. IF
THIS SYSTEM DIGS A LITTLE FARTHER TO THE WEST THEN A MORE MOIST
WEATHER SCENARIO WILL UNFOLD FOR NEXT WEEK.
Dennis


AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
330 AM MST WED AUG 18 2004
.SYNOPSIS...SCATTERED SHOWERS AND THUNDERSTORMS WILL AGAIN DEVELOP
DURING THE LATE MORNING AND AFTERNOON HOURS OVER NORTHERN
ARIZONA. ON THURSDAY...A SLOW DRYING TREND IS EXPECTED TO
BEGIN...LEADING TO A DECREASE IN AREAL COVERAGE OF THUNDERSTORMS
FROM THE WEST THURSDAY AND SPREADING TOWARD THE EAST BY THE
BEGINNING OF THE WEEKEND. A STRONG STORM SYSTEM WILL BRING AN
INCREASE IN SHOWERS AND THUNDERSTORM ACTIVITY BY THE MIDDLE OF NEXT
WEEK ALONG WITH MUCH COOLER TEMPERATURES.
&&
.DISCUSSION...MONSOON MOISTURE WILL SLOWLY LOOSE ITS GRIP ON THE
REGION...AND GET PUSHED EASTWARD AS WEST TO NORTHWEST FLOW USHERS IN
DRIER AIR. TODAY AND THURSDAY WILL BE THE LAST DAY OF ANY
APPRECIABLE MONSOON MOISTURE THIS WEEK. A TROUGH OF LOW PRESSURE
WILL MOVE ACROSS NORTHEAST SECTIONS OF THE STATE ON THURSDAY AND
BRING AN INCREASE IN PRECIP CHC'S OVER THE NORTHEAST PLATEAUS...
CHUSKA MOUNTAINS...AND DOWN INTO TO THE WHITE MOUNTAINS. THIS SYSTEM
WILL PROVIDE SOME LARGE SCALE LIFT AND WITH A MOIST AND UNSTABLE
ATMOS TO WORK ON...STRONG THUNDERSTORMS WILL DEVELOP DURING THE
AFTERNOON. THERE WILL BE GOOD AMOUNTS OF SPEED SHEAR AND DIRECTIONAL
SHEAR FOR ORGANIZED THUNDERSTORMS AND THE POTENTIAL FOR SEVERE
WEATHER...ESPECIALLY IN THE NORTHEAST PART OF THE STATE. IT WILL BE
BREEZY AS WELL IN THE NORTHEAST ON THURSDAY.
DRIER AND WARMER CONDITIONS BY THE WEEKEND AS A RIDGE OF HIGH
PRESSURE AND A DRY SOUTHWEST FLOW DEVELOP ACROSS THE AREA. A DEEP
TROUGH OF LOW PRESSURE WILL BEGIN TO DEVELOP ACROSS THE WESTERN
STATES EARLY NEXT WEEK. THIS SYSTEM WILL BRING COOLER AND BREEZY
CONDITIONS ALONG WITH A INCREASING CHC OF SHOWERS AND THUNDERSTORMS.
THE GFS IS SHOWING AND INCREASE IN MOISTURE AS EARLY AS LATE MONDAY.
IT IS STILL TO EARLY TO TELL IF THIS SYSTEM WILL PULL TROPICAL
MOISTURE FROM MEXICO AHEAD OF IT. IF THIS SYSTEM DIGS TO FAR TO THE
EAST THEN COOL...DRY...AND BREEZY CONDITIONS CAN BE EXPECTED. IF
THIS SYSTEM DIGS A LITTLE FARTHER TO THE WEST THEN A MORE MOIST
WEATHER SCENARIO WILL UNFOLD FOR NEXT WEEK.
Dennis
