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Originally posted by digitalassassin
"Low pressure system - textbook example. Hurricane's have closed
circulations without fronts (look at the line to the south).
CUT-OFF LOW - A closed cold core low completely removed from the primary westerly flow. Cutoff lows may remain detached from the westerlies for days while exhibiting very little forward (eastward) progress. In some instances, a cutoff low may move to the west, or retrograde, opposite to the prevailing flow.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
245 PM CDT THU APR 20 2006
.DISCUSSION...TONIGHT THROUGH SUNDAY
WELL DEFINED VERTICALLY STACKED VORTEX WEST OF STC WILL CONTINUE TO
AFFECT AREA FOR THE NEXT 36 HOURS OR SO AS IT EVER SO SLOWLY DRIFTS
EAST.
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
329 AM CDT THU APR 20 2006
.DISCUSSION...TODAY THROUGH SATURDAY NIGHT
GOES WV/IR LOOP AND EVENING UPPER AIR ANALYSES REVEALED STACKED
UPPER LEVEL LOW SPINNING LIKE A PINWHEEL ACROSS THE MN AND DAKOTAS
BORDER WITH DRY AIR INTRUSION WRAPPING AROUND IT. 1004MB SFC LOW
DIRECTLY BELOW AND FILLING RAPIDLY WITH WEAK COLD FRONT EXTENDING
SOUTH.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
318 PM CDT THU APR 20 2006
IN THE SHORT TERM...THE VERTICALLY STACKED COLD-CORE UPPER LOW
CONTINUES TO SLOWLY DRIFT EAST ACROSS THE UPPER MIDWEST TONIGHT
THRU SAT...REACHING A POSITION NEAR THE WI DOOR PENINSULA BY 00Z
SUN. SYSTEM CONTINUES TO SLOWLY WEAKEN THRU THE PERIOD.
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
305 PM CDT THU APR 20 2006
.DISCUSSION...SHORT TERM FORECAST CONCERN FOCUSES ON THREAT OF
PRECIP WITH WEAKENING CUT OFF LOW PRES EXPCD TO PASS THRU WI NEXT
SEVERAL DAYS.
Originally posted by dgtempe
Truthman,
I'd say that old man was onto something. I'd always heard the predictions but didnt think they would happen THIS soon...*gulp*
Originally posted by dgtempe
Will someone listen now????
The freak hurricane
The closeness of the asteroid
The dust storms-----All posted here.
If i were yo'all i'd listen to the predictions by many that a car sized chunk will come into the atmosphere on May 25. All the signs are there now.
I wont bother posting them again.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DULUTH MN
351 AM CDT FRI APR 21 2006
.DISCUSSION...A FILLING AND VERTICALLY STACKED CUTOFF LOW WILL
LINGER HERE THROUGH SATURDAY. AS IS SO WITH CUTOFF LOWS...POPCORN
CONVECTION WILL CONTINUE TO TAKE PLACE WITHOUT VERY MANY CLOUD
DEBRIS. THE CIRCULATION CENTER SEEMS TO BE APPROACHING DULUTH THIS
MORNING. WE WILL MAINTAIN SCATTERED SHOWERS THROUGH SATURDAY.
THE LOW WILL BE KICKED BY A SHORT WAVE FROM THE ARCTIC COAST. THE
FRONT WILL CROSS THE AREA SUNDAY NIGHT WHILE THE FIRST SHORT WAVE
ALOFT REACHES US MONDAY NIGHT. PRECIPITATION WILL BE BEHIND THE
FRONT...REMAINING HERE SUNDAY NIGHT AND MONDAY. THE REASON IS THAT
THE APPROACHING SHORT WAVE WILL BACK THE WINDS ALOFT...FURTHER
STRENGTHENING THE FAST-MOVING FRONT AND LEADING TO AN OVERRUNNING
SITUATION...FROM THE LAGRANGIAN PERSPECTIVE.