General Weather/Earth Sciences Topics > Severe Weather
SPC 4-8 Day Outlook (Here we go again)
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WeatherHost:
Let's see how accurate the experimental outlook is.
--- Quote ---DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0343 AM CST WED FEB 21 2007
VALID 241200Z - 011200Z
A VIGOROUS UPPER-LEVEL TROUGH AND CLOSED-OFF LOW WILL MOVE EWD INTO
THE PLAINS SATURDAY AND SWING NEWD ACROSS THE UPPER MS VALLEY
SATURDAY NIGHT INTO SUNDAY. DYNAMICS AND VERTICAL SHEAR WITH THIS
SYSTEM WILL BE VERY STRONG WHICH COUPLED WITH ADEQUATE LOW-LEVEL
MOISTURE SHOULD RESULT IN A WIDESPREAD SEVERE WEATHER EVENT SATURDAY
THROUGH SUNDAY FROM THE ERN PLAINS EWD TO THE TN/OH VALLEYS. A
SQUALL-LINE SHOULD BE ONGOING ACROSS THE PLAINS EARLY IN THE DAY 4
PERIOD AND THE LINE WILL LIKELY CONTAIN SUPERCELLS AND/OR BOW
ECHOES. OTHER SEVERE STORMS ARE POSSIBLE AHEAD OF THE LINE AND NEAR
THE UPPER-LOW CENTER ESPECIALLY AS SFC TEMPS WARM LATE SATURDAY
MORNING INTO THE AFTERNOON. ALTHOUGH THE SPECIFIC TIMING OF THE
UPPER-TROUGH AND AMOUNT OF MOISTURE RETURN STILL REMAIN
UNCERTAIN...CONFIDENCE IS INCREASING THAT A SIGNIFICANT SEVERE
WEATHER EPISODE WILL OCCUR ACROSS THE PLAINS AND MS VALLEY SATURDAY
AND SUNDAY.
TORNADOES/WIND DAMAGE AND LARGE HAIL WILL ALL BE POSSIBLE WITH THE
BETTER ORGANIZED LINE SEGMENTS. ALTHOUGH WEAKENING OF THE
SQUALL-LINE MAY OCCUR LATE SATURDAY NIGHT OR IN THE MORNING ON
SUNDAY...REGENERATION OF THE LINE SHOULD OCCUR BY SUNDAY AFTERNOON.
THE MOST LIKELY SEVERE THREAT SUNDAY WILL LIKELY OCCUR IN THE TN AND
OH VALLEYS WITH LOCALLY CONCENTRATED AREAS OF SEVERE WEATHER. A
SEVERE THREAT MAY ALSO DEVELOP IN NRN AND CNTRL FL MONDAY WITH THE
THREAT AREA SHIFTING SWD ACROSS FL ON TUESDAY. WHETHER THIS OCCURS
IS DEPENDENT ON MANY FACTORS AND UNCERTAINTY FOR EARLY NEXT WEEK IS
HIGHER ATTM.
..BROYLES.. 02/21/2007
--- End quote ---
NoQuitters:
I'm supposed to get it real early Saturday morning and all day Saturday. It will either be :shock: or :lol: depending on how you look at it. They're calling for almost 70 on Saturday which is almost unheard of in February for the KC area. Should be interesting.
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