MESOSCALE DISCUSSION NWS STORM PREDICTION CENTER NORMAN OK

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TexasStooge
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#141 Postby TexasStooge » Mon Mar 20, 2006 8:19 am

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   MESOSCALE DISCUSSION 0319
   NWS STORM PREDICTION CENTER NORMAN OK
   0531 PM CST SUN MAR 19 2006
   
   AREAS AFFECTED...NEB/NRN KS/NE CO/SE WY/SRN SD
   
   CONCERNING...HEAVY SNOW
   
   VALID 192331Z - 200530Z
   
   CORRECTED FOR SECOND PARAGRAPH
   
   ...MODERATE TO HEAVY SNOW WILL DEVELOP/CONTINUE ACROSS CNTRL NEB
   THROUGH THE EVENING...WITH HRLY SNOW RATES AT LEAST 1-2 INCHES PER
   HOUR /PSBLY HIGHER IN CONVECTIVE BURSTS/. HEAVY SNOW WILL DEVELOP
   WITHIN A FEW HOURS ACROSS NE COLORADO...
   
   LATEST SATELLITE/RADAR LOOPS INDICATE PRECIPITATION IS INCREASING
   ACROSS THE PLAINS WITHIN STRONGLY DIFFLUENT UPPER FLOW PATTERN.
   TSTMS HAVE BEEN ONGOING IN KS THIS AFTN AND ARE SPREADING NWD INTO
   NEB WITH TSSN OBSERVED WITHIN THE LAST HOUR OR TWO AT MCCOOK NEB.
   18Z SOUNDING AT LAMONT OK SEEMS TO HAVE SAMPLED THE ELEVATED
   INSTABILITY WELL...SO ISOLD LTG STRIKES WILL CONTINUE AND
   CONVECTIVELY ENHANCE SNOW RATES THROUGH THE EVENING. FORECAST
   SOUNDINGS ACROSS SCNTRL NEB SUGGEST STEEP ELEVATED LAPSE RATES NEAR
   8 C/KG AND MUCAPE RANGING FROM 100-300 J/KG.
   
   LARGE SCALE LIFT INCREASES DRAMATICALLY ACROSS THE CNTRL PLAINS
   AFTER 00Z AS MAIN VORT MAX NOW OVER NW MEXICO APPROACHES. IN
   ADDITION TO THE STRONG LARGE SCALE FORCING...LOW LEVEL THETAE
   ADVECTION/ISENTROPIC LIFT ACROSS MID LEVEL FRONTAL SFC WILL RESULT
   IN A LARGE AREA OF HEAVY PCPN. HEAVIEST SNOWS OVER THE NEXT FEW
   HOURS WILL FALL FROM SCNTRL SD THROUGH CNTRL/SERN PORTIONS OF NEB.
   NCEP SREF GUIDANCE SUGGESTS AT LEAST 1 INCH/HOUR SNOW RATES ALONG
   THIS AXIS...WHICH WILL PERSIST WELL INTO THE OVERNIGHT. SHALLOW WARM
   INVERSION NOW IN PLACE ACROSS SW NEB/NE CO IS RESULTING IN FZRA AT
   AKO AND IML. STRONG WAA MAY MAINTAIN THIS FOR A TIME...THUS REDUCING
   OVERALL SNOW ACCUMULATIONS ACROSS SW NEB. ONCE COLUMN COOLS
   SUFFICIENTLY...HEAVY SNOW WILL BE MAIN PTYPE ACROSS NE CO.
   
   IMPRESSIVE DENVER CYCLONE DEVELOPING WITH VERY STRONG INFLOW NOTED
   SE OF DEN. SFC WINDS WILL BECOME MORE NELY WITH TIME THIS
   EVENING...WHICH WILL FAVORABLY ENHANCE UPSLOPE SNOWS INVOF OF THE
   PALMER DIVIDE. THANKS TO WFO LBF FOR COORD.
   
   ..TAYLOR.. 03/19/2006
   
   
   ATTN...WFO...FSD...OAX...TOP...ABR...GID...LBF...UNR...GLD...PUB...BOU...CYS...
   
   39239860 39320159 38820459 39380538 41060591 43030404
   43890216 44089977 41259599 40109583 39369677
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#142 Postby TexasStooge » Mon Mar 20, 2006 8:23 am

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   MESOSCALE DISCUSSION 0329
   NWS STORM PREDICTION CENTER NORMAN OK
   0438 AM CST MON MAR 20 2006
   
   AREAS AFFECTED...WESTERN KS/FAR EASTERN CO AND SOUTHERN NEB
   
   CONCERNING...HEAVY SNOW
   
   VALID 201038Z - 201515Z
   
   SNOW WILL STEADILY DEVELOP/INCREASE THROUGH MID MORNING ACROSS MUCH
   OF WESTERN KS/FAR EASTERN CO AND SOUTHERN NEB. SNOW RATES OF 1 IN/HR
   OR GREATER ARE LIKELY BY 15Z.
   
   AS UPPER LOW MOVES EASTWARD OUT OF NM...PRONOUNCED BLOSSOMING/
   COOLING AND IMPLIED ASCENT IS EVIDENT IN WATER VAPOR/INFRARED
   SATELLITE IMAGERY OVER THE PAST SEVERAL HOURS ACROSS THE CENTRAL
   HIGH PLAINS. A CORRESPONDING EXPANSION/INCREASE OF WSR-88D
   REFLECTIVITY RETURNS ACROSS MUCH OF KS/SOUTHEAST CO/SOUTHERN NEB IS
   ALSO NOTED EARLY THIS MORNING. WITH CYCLOGENESIS ACROSS NORTHEAST
   NM...UPPER JET DIVERGENCE JUXTAPOSED WITH LOW LEVEL WARM
   ADVECTION/ISENTROPIC UPGLIDE AND EASTERLY UPSLOPE WILL CONTRIBUTE TO
   STRONG UVVS AND INCREASING PRECIPITATION RATES THROUGH THE MORNING.
   09Z RUC/00Z 4KM WRF-NMM SUGGEST POTENTIAL FOR 1 IN/HR OR GREATER
   SNOW RATES BY 15Z IN A SOUTHWEST-NORTHEAST CORRIDOR FROM SOUTHEAST
   CO/WESTERN KS INTO SOUTH CENTRAL NEB.
   
   ACROSS WESTERN KS/SOUTHEAST CO...ALTHOUGH SURFACE TEMPS ARE
   GENERALLY ABOVE FREEZING AS OF 10Z...ONSET OF HIGHER PRECIPITATION
   RATES/DYNAMIC COOLING WILL RESULT IN A QUICK ONSET OF SNOWFALL EARLY
   THIS MORNING AS BOUNDARY LAYER TEMPERATURES COOL TO NEAR/BELOW
   FREEZING. 06Z NAM/09Z RUC SOUNDINGS FURTHER IMPLY THIS IS LIKELY IN
   THE SHORT TERM...GENERALLY BY 12Z.
   
   ..GUYER.. 03/20/2006
   
   
   ATTN...WFO...OAX...TOP...ICT...GID...LBF...DDC...GLD...PUB...
   
   39300256 40430148 41179969 41389671 39619752 37989962
   37220082 37090176 37080253 37700322
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#143 Postby WindRunner » Tue Mar 21, 2006 6:24 am

Never thought that I would have one of these out for me in late March!

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MESOSCALE DISCUSSION 0344
   NWS STORM PREDICTION CENTER NORMAN OK
   0510 AM CST TUE MAR 21 2006
   
   AREAS AFFECTED...CENTRAL IL...CENTRAL/SRN IND....SRN OH...NERN
   KY...WV AND NRN/WRN VA
   
   CONCERNING...PRECIPITATION TRENDS...WINTER PRECIPITATION
   
   VALID 211110Z - 211715Z
   
   HEAVY SNOW WILL DIMINISH OVER CENTRAL IL BY 14Z AND OVER CENTRAL IND
   BY 17Z. MEANWHILE...HEAVY SNOW WILL DEVELOP OVER SRN OH THROUGH
   14Z...OVER NRN/CENTRAL WV BETWEEN 13-15Z...AND OVER NRN VA AFTER
   15Z. HRLY SNOWFALL RATES UP TO 1 INCH WILL BE POSSIBLE FOR A 2-3 HR
   PERIOD IN THESE AREAS. IN ADDITION THERE WILL CONTINUE TO BE A MIX
   OF SNOW/SLEET AND FREEZING RAIN OVER NERN KY...WHICH SHOULD DEVELOP
   EWD INTO PORTIONS OF SRN WV/SWRN VA THROUGH THE MORNING.
   
   AS AN UPPER JET MAX MOVES INTO THE LOWER OHIO VALLEY THIS
   MORNING...A WELL DEVELOPED DEFORMATION ZONE WILL CONTINUE TO ADVANCE
   EWD FROM IL/IND INTO OH AND WV. IR SAT IMAGERY SHOWS AN EXPANSIVE
   AREA OF COLD CLOUD TOPS OVER OH AND NRN KY INDICATING THAT THIS
   DEFORMATION ZONE CONTINUES TO MATURE. WITHIN THIS DEFORMATION
   ZONE...MODERATE TO HVY SNOW WITH HRLY RATES OVER 1 INCH HAVE BEEN
   OBSERVED. THIS TREND WILL CONTINUE...WITH HVY SNOW DEVELOPING INTO
   SRN OH AND CENTRAL WV THROUGH 15Z...AND INTO NRN VA BETWEEN 15-17Z.
   BASED ON RADAR IMAGERY...THE BACK EDGE OF THE HEAVY SNOW SHOULD
   FOLLOW THE PASSAGE OF A WELL DEFINED VORT MAX AS IT MOVES FROM
   SCENTRAL IL INTO ECENTRAL IND BY 17Z.
   
   IN ADDITION TO THE HVY SNOW...A MIX OF FREEZING RAIN/SLEET WILL
   REMAIN LIKELY OVER PORTIONS OF NRN/ERN KY FOR THE NEXT FEW HOURS AS
   WEAK SFC COLD ADVECTION OCCURS BENEATH STRONG ELEVATED WARM
   ADVECTION. THIS THERMAL PROFILE WILL SPREAD EWD INTO PORTIONS OF SRN
   WV...AND SWRN VA THROUGH 15Z.
   
   ..CROSBIE.. 03/21/2006
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#144 Postby TexasStooge » Tue Mar 21, 2006 9:29 pm

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   MESOSCALE DISCUSSION 0333
   NWS STORM PREDICTION CENTER NORMAN OK
   1248 PM CST MON MAR 20 2006
   
   AREAS AFFECTED...ERN CO/NEB/MUCH OF KS/WRN IA/FAR NW MO
   
   CONCERNING...HEAVY SNOW
   
   VALID 201848Z - 210015Z
   
   HEAVY SNOW WILL CONTINUE THIS AFTN ACROSS A LARGE PORTION OF THE
   CNTRL PLAINS. HOURLY RATES OF 1 TO 2 INCHES PER HOUR WILL
   PERSIST...WITH LOCALLY HIGHER RATES POSSIBLE WITHIN HEAVY MESOSCALE
   BANDS.
   
   LATEST RADAR AND SFC OBSERVATIONS SHOW A PRONOUNCED AREA OF HEAVY
   SNOW ONGOING FROM THE CO FOOTHILLS TO GLD/MCK/HSI/LNK. THIS AXIS IS
   ASSOCIATED WITH DEFORMATION ZONE WHICH HAS SET UP ON THE NORTHWEST
   SIDE OF THE STORM SYSTEM. LATEST AREA PROFILER AND VAD WIND DATA
   OBSERVE 50-55 KT LOW LEVEL ELY FLOW ACROSS NRN KS/SRN NEB...WHICH IS
   CONTRIBUTING TO SIGNIFICANT UPSLOPE COMPONENT AND STRONG ISENTROPIC
   UPGLIDE. THE ZONE OF STRONGEST FRONTOGENETICAL FORCING IS FORECAST
   TO SHIFT INTO WRN KS/SERN NEB LATER THIS AFTN.
   
   CONDITIONS WILL SLOWLY IMPROVE EWD FROM THE FRONT RANGE AS UPPER LOW
   MOVES EAST OF THE AREA BY MID AFTN. HOWEVER TIGHT SFC PRESSURE
   GRADIENT WILL RESULT IN STRONG SFC WINDS /15-25 MPH/ WHICH WILL
   PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW IN ADDITION TO NEAR
   BLIZZARD CONDITIONS ACROSS THE HIGH PLAINS.
   
   WARM NOSE EVIDENT IN 12Z SOUNDINGS FROM TOPEKA AND DODGE CITY THIS
   MORNING WILL COMPLICATE PRECIPITATION TYPE FORECAST. AT 1830Z THE
   RAIN/SNOW LINE IS SOUTH OF A LINE FROM KANSAS CITY TO GREAT BEND.
   TEMPS ARE WELL ABOVE FREEZING IN THE MID TO UPPER 30S FROM SCNTRL KS
   THROUGH IA...WITH RAIN OBSERVED ACROSS CNTRL KS INTO NW MO. NAM
   POINT FORECAST SOUNDINGS ARE MUCH COOLER THAN CURRENTLY
   OBSERVED...AND INDICATE SNOW ACROSS NW MO THIS AFTN. HOWEVER...RUC
   FORECAST SOUNDINGS ARE SOMEWHAT BETTER WITH REGARD TO THE THERMAL
   PROFILES...AND SUGGEST MAIN PTYPE WITH BE RAIN...POSSIBLY MIXING
   WITH SNOW OR SLEET.
   
   ..TAYLOR.. 03/20/2006
   
   
   ATTN...WFO...DMX...EAX...FSD...OAX...TOP...ICT...GID...LBF...DDC...GLD...PUB...BOU...CYS...
   
   38789709 38120002 37560177 37740364 40210352 41250315
   42340166 42749820 42739614 42449519 38979507
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#145 Postby TexasStooge » Tue Mar 21, 2006 9:31 pm

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   MESOSCALE DISCUSSION 0338
   NWS STORM PREDICTION CENTER NORMAN OK
   0731 PM CST MON MAR 20 2006
   
   AREAS AFFECTED...CNTRL AND ERN NEB/IA/NRN MO/WRN IL
   
   CONCERNING...HEAVY SNOW
   
   VALID 210131Z - 210700Z
   
   ...HEAVIEST SNOW RATES THIS EVENING WILL BE ASSOCIATED WITH MID
   LEVEL DEFORMATION BAND WHICH IS EXPECTED TO EXTEND FROM ERN NEB/SRN
   IA INTO WRN IL LATER THIS EVENING...
   
   THE MOST INTENSE SNOW FOR THE LAST FEW HOURS HAS BEEN OCCURRING
   ACROSS WRN PORTIONS OF KS AND MUCH OF NEB /ROUGHLY FROM GLD TO LNK/.
   EXAMINATION OF 6HR-RADAR LOOPS SUGGEST THE HEAVIEST SNOW OVER THE
   NEXT FEW HOURS WILL EXTEND FROM CNTRL NEB INTO SRN IA. CLOSED UPPER
   LOW NOW ACROSS WRN KS WILL MOVE EWD ACROSS KS WITH GREATEST
   VORTICITY ADVECTION FOCUSED ACROSS NRN MO/SRN IA INTO IL BY 06Z.
   UPPER FLOW IS COMPLICATED BY LEAD SHORTWAVE TROUGH NOW MOVING
   THROUGH ERN OK.
   
   STRONG ASCENT ASSOCIATED WITH MID LEVEL FRONTOGENETICAL FORCING IS
   FORECAST TO BE MAINLY OVER IA INTO IL OVER THE NEXT FEW HOURS...AND
   THIS SEEMS TO AGREE WITH RADAR TRENDS. 00Z SOUNDINGS FROM TOPEKA
   INDICATE 2-3 DEGREES OF COOLING HAS TAKEN PLACE NEAR 700 MB...BUT
   00Z SOUNDING FROM SPRINGFIELD HAS A WARM INVERSION WITH +7C NEAR
   850MB...SO PTYPE IS STILL PROBLEMATIC. ETA KF FORECAST SOUNDINGS
   FAVOR RAIN ACROSS ALL BUT FAR NRN MO...AND EVEN THOUGH THERE MAY BE
   A RAIN/SNOW MIX AS FAR SOUTH AS THE KC METRO...IT WOULD APPEAR THE
   HEAVIEST SNOW WILL REMAIN TO THE NORTH.
   
   ACROSS IA AND WRN IL...DRY AIR WILL INITIALLY LIMIT PCPN REACHING
   THE GROUND AS DEWPOINTS ARE IN THE 20S. BUT...INCREASING LIFT AND A
   DEEP SATURATED DENDRITIC LAYER SHOULD SUPPORT AN AREA OF HEAVY SNOW
   DEVELOPING THIS EVENING.
   
   ..TAYLOR.. 03/21/2006
   
   
   ATTN...WFO...ILX...LSX...DVN...DMX...EAX...FSD...OAX...TOP...GID...LBF...
   
   39849307 39679519 40139948 40929991 42289955 42229484
   41879023 40119055
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#146 Postby TexasStooge » Tue Mar 21, 2006 9:33 pm

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   MESOSCALE DISCUSSION 0341
   NWS STORM PREDICTION CENTER NORMAN OK
   1130 PM CST MON MAR 20 2006
   
   AREAS AFFECTED...CENTRAL/SRN IL...CENTRAL/SRN IND...NRN/ERN KY...SRN
   OH
   
   CONCERNING...WINTER MIXED PRECIPITATION
   
   VALID 210530Z - 211030Z
   
   MOD/HVY SNOW WITH ISOLATED THUNDERS NOW WILL CONTINUE TO DEVELOP
   ESEWD FROM SRN/CENTRAL IA INTO CENTRAL IL...CENTRAL IND AND SWRN OH
   OVER THE NEXT 6 HRS. FURTHER SOUTH...MIXED PRECIP IN THE FORM OF
   SLEET/SNOW AND POSSIBLY FREEZING RAIN WILL DEVELOP EWD FROM THE STL
   METRO AREA ACROSS PORTIONS OF SRN IL INTO SRN IND AND NRN/ERN KY
   THROUGH THE OVERNIGHT HOURS. HRLY PRECIP RATES OVER 0.10 IN LIQUID
   ARE LIKELY.
   
   RECENT IR SAT IMAGERY SHOWS AN EXPANSIVE AREA OF CLOUD TOP COOLING
   OCCURRING OVER IA INTO WRN IL. THIS COOLING WAS EVIDENT OF STRONG
   UPPER LEVEL DIVERGENCE IN EXIT REGION OF UPPER JET LOCATED OVER THE
   OZARKS. COMBINED WITH FRONTOGENETIC FORCING IN THE 600-700 MB
   LAYER...FAVORABLE CONDITIONS FOR HEAVY SNOW WILL SPREAD EWD ACROSS
   MUCH OF CENTRAL IL/IND INTO SWRN OH THE REST OF TONIGHT. IN
   ADDITION...SUFFICIENT ELEVATED INSTABILITY WILL SUPPORT ISOLATED
   THUNDERS NOW  WITH LOCALLY 2 IN/HR SNOWFALL RATES.
   
   FURTHER SOUTH...STRONG LOW LEVEL WAA WILL SUPPORT A BROAD AREA OF
   PRECIP OVER SERN MO/SRN IL ENEWD ACROSS THE OHIO VALLEY OVERNIGHT.
   ALTHOUGH TEMPERATURES ACROSS ALL OF THE OHIO VALLEY WERE ABOVE
   FREEZING AT 05Z...CONTINUED COLD ADVECTION AT LOW LEVELS OVER THE
   UPPER OHIO VALLEY COMBINED WITH WET-BULB EFFECTS WITH ONSET OF
   PRECIP SHOULD AID IN SUB-FREEZING SFC TEMPERATURES OVER PORTIONS OF
   NRN KY...MOST OF SRN OHIO AND SRN IND BY 12Z. FORECAST SOUNDINGS
   SHOW THE PRESENCE OF AN ELEVATED WARM LAYER OVER PORTIONS OF NRN/ERN
   KY AND FAR SRN OH/SWRN IND...WHICH WOULD SUPPORT SLEET/FREEZING RAIN
   AS THE PRIMARY PRECIP TYPES.
   
   ..CROSBIE.. 03/21/2006
   
   
   ATTN...WFO...RLX...JKL...ILN...LMK...IND...PAH...LOT...ILX...LSX...DVN...
   
   40878896 41129037 40139112 39489083 38728976 38558778
   38238532 37838432 37868307 38748212 39518227 40008411
   40338617
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#147 Postby TexasStooge » Tue Mar 21, 2006 9:34 pm

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   MESOSCALE DISCUSSION 0344
   NWS STORM PREDICTION CENTER NORMAN OK
   0510 AM CST TUE MAR 21 2006
   
   AREAS AFFECTED...CENTRAL IL...CENTRAL/SRN IND....SRN OH...NERN
   KY...WV AND NRN/WRN VA
   
   CONCERNING...PRECIPITATION TRENDS...WINTER PRECIPITATION
   
   VALID 211110Z - 211715Z
   
   HEAVY SNOW WILL DIMINISH OVER CENTRAL IL BY 14Z AND OVER CENTRAL IND
   BY 17Z. MEANWHILE...HEAVY SNOW WILL DEVELOP OVER SRN OH THROUGH
   14Z...OVER NRN/CENTRAL WV BETWEEN 13-15Z...AND OVER NRN VA AFTER
   15Z. HRLY SNOWFALL RATES UP TO 1 INCH WILL BE POSSIBLE FOR A 2-3 HR
   PERIOD IN THESE AREAS. IN ADDITION THERE WILL CONTINUE TO BE A MIX
   OF SNOW/SLEET AND FREEZING RAIN OVER NERN KY...WHICH SHOULD DEVELOP
   EWD INTO PORTIONS OF SRN WV/SWRN VA THROUGH THE MORNING.
   
   AS AN UPPER JET MAX MOVES INTO THE LOWER OHIO VALLEY THIS
   MORNING...A WELL DEVELOPED DEFORMATION ZONE WILL CONTINUE TO ADVANCE
   EWD FROM IL/IND INTO OH AND WV. IR SAT IMAGERY SHOWS AN EXPANSIVE
   AREA OF COLD CLOUD TOPS OVER OH AND NRN KY INDICATING THAT THIS
   DEFORMATION ZONE CONTINUES TO MATURE. WITHIN THIS DEFORMATION
   ZONE...MODERATE TO HVY SNOW WITH HRLY RATES OVER 1 INCH HAVE BEEN
   OBSERVED. THIS TREND WILL CONTINUE...WITH HVY SNOW DEVELOPING INTO
   SRN OH AND CENTRAL WV THROUGH 15Z...AND INTO NRN VA BETWEEN 15-17Z.
   BASED ON RADAR IMAGERY...THE BACK EDGE OF THE HEAVY SNOW SHOULD
   FOLLOW THE PASSAGE OF A WELL DEFINED VORT MAX AS IT MOVES FROM
   SCENTRAL IL INTO ECENTRAL IND BY 17Z.
   
   IN ADDITION TO THE HVY SNOW...A MIX OF FREEZING RAIN/SLEET WILL
   REMAIN LIKELY OVER PORTIONS OF NRN/ERN KY FOR THE NEXT FEW HOURS AS
   WEAK SFC COLD ADVECTION OCCURS BENEATH STRONG ELEVATED WARM
   ADVECTION. THIS THERMAL PROFILE WILL SPREAD EWD INTO PORTIONS OF SRN
   WV...AND SWRN VA THROUGH 15Z.
   
   ..CROSBIE.. 03/21/2006
   
   
   ATTN...WFO...AKQ...LWX...RNK...PBZ...RLX...JKL...ILN...LMK...IND...LOT...ILX...LSX...
   
   39057793 39588122 40108357 40408616 40488851 39888959
   39088942 38868848 39018628 38538458 37978377 37758277
   37528120 37048072 37007960 37357821 38527716
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#148 Postby TexasStooge » Wed Apr 19, 2006 6:42 am

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   MESOSCALE DISCUSSION 0555
   NWS STORM PREDICTION CENTER NORMAN OK
   0140 AM CDT WED APR 19 2006
   
   AREAS AFFECTED...SERN MT AND THE BLACK HILLS REGION
   
   CONCERNING...HEAVY SNOW AND NEAR BLIZZARD CONDITIONS
   
   VALID 190640Z - 191245Z
   
   HEAVY SNOW IS EXPECTED THROUGH THE NIGHT WITH HRLY RATES OF AT LEAST
   1 IN/HR. STRONG WINDS WILL FURTHER MAINTAIN NEAR BLIZZARD
   CONDITIONS.
   
   RADAR TRENDS INDICATE AN INCREASING BAND OF SNOW ACROSS WRN SD AS OF
   630Z...WHICH IS IN AGREEMENT WITH LATEST RUC/NAM/WRF MODELS
   INDICATING INCREASING PRECIPITATION RATES THROUGH 12Z ACROSS FAR
   SERN MT AND WRN SD. STRONG NWLY UPSLOPE FLOW WILL KEEP HEAVIEST
   PRECIP. RATES FOCUSED ACROSS THE NRN BLACK HILLS. WHILE WINDS WILL
   BE STRONG...RELATIVELY WARM TEMPERATURES IN THE 30S WILL HELP
   MITIGATE DRIFTING...ALTHOUGH VISIBILITIES WILL BE REDUCED TO ZERO AT
   TIMES.
   
   ..JEWELL.. 04/19/2006
   
   
   ATTN...WFO...BIS...UNR...BYZ...GGW...
   
   44690489 45570542 46350565 46820527 46910440 46440356
   46180344 45180310 44400308 43940346 43930422
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