Quantitative Precipitation Forecast
Issued by NWS

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FXUS04 KWBC 230608
QPFPFD

QUANTITATIVE PRECIPITATION FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
108 AM EST FRI JAN 23 2015


PRELIM DAY 1 QPF DISCUSSION
VALID JAN 23/1200 UTC THRU JAN 24/1200 UTC
REFERENCE AWIPS GRAPHICS UNDER...PRECIP ACCUM - 24HR


DAY 1...

...CNTL/ERN GULF COAST NEWD INTO THE MID ATLC...

WIDESPREAD MDT TO HEAVY RAINS ARE EXPECTED TO SPREAD NEWD DURING
THE DAY 1 PD FROM THE CNTL/ERN GULF COAST INTO PARTS OF THE MID
ATLC REGION AS LOW PRES MOVES NEWD FROM THE CNTL GULF COAST TO A
POSITION OFF THE DELMARVA COAST BY SAT MRNG.  MODELS ARE FAIRLY
TIGHTLY CLUSTERED WITH THE TRACK OF THE LOW AS WELL AS WITH THE
HANDLING OF ATTENDING UPR TROF EJECTING ENEWD FROM THE SRN PLAINS.
 EXPECT HEAVIER RAINS TO GENLY OCCUR FROM THE CNTL FL PANHANDLE
REGION NEWD TO THE NC COAST WHERE WARM SECTOR WILL LIFT ACRS THIS
REGION DURING FRI...SUPPORTING POTNL FOR ORGANIZED CONVECTIVE
BANDS WITHIN HIGH PW AIRMASS AND 40 TO 50 KT SWLY 85H JET.
OTHERWISE BROAD WAA PATRN AND FAVORABLE RT ENTRANCE REGION JET
DYNAMICS WILL SUPPORT DECENT SWATH OF 50 TO 2 INCH PLUS RAINS FROM
THE ERN SLOPES OF THE CNTL/SRN APLCNS EWD TO THE COAST WITH
HEAVIER AMOUNTS AGAIN EXPECTED TOWARD THE SRN MID ATLC COAST SWD
INTO NRN FL IN PROXIMITY TO THE HIER PWS IN THE 1.5 TO 1.75 INCH
RANGE.  FFG VALUES ACRS THIS REGION..ESPECIALLY WHERE THE HEAVIER
RAINS ARE ANTICIPATED ARE QUITE HIGH...SO THAT ANY EXCESSIVE RAIN
PROBLEMS SHOULD BE RATHER ISOLD.  ALONG THE NRN END OF THE PCPN
SHIELD..A WINTRY MIX IS ANTICIPATED ESPECIALLY FRI NIGHT...SEE
QPFHSD FOR DETAILS.


...PACIFIC NORTHWEST...

AN APPROACHING UPPER LEVEL JET STREAK RIDING OVER TOP OF BUILDING
ERN PAC UPR RIDGE WILL SPREAD EXIT REGION FORCING (WAA) AS THE
WARM CONVEYOR BELT SPREADS INTO THE PAC NW. THE SOUTHWESTERLY
ONSHORE FLOW ALONG WITH WAA LIFT WILL SUPPORT MODERATE TO LOCALLY
HEAVY PCPN AMOUNTS INTO THE OLYMPICS WITH LESSER AMOUNTS EWD INTO
THE NRN CASCADES AND NRN INTERMOUNTAIN REGION  ONCE AGAIN STAYED
FAIRLY CLOSE TO CONTINUITY HERE GIVEN REASONABLY CLOSE MODEL
SOLUTIONS AND GOOD RUN TO RUN CONSISTENCY.

SULLIVAN

GRAPHICS AVAILABLE ON THE WEB AT WWW.WPC.NCEP.NOAA.GOV

24HR QP VT 24/12Z
 0.01 537202 538196 538188 537177 535169 533162 522138 517132
      515129 511126 505124 499125 499130 502134 509137 513142
      508148 505149 503147 497143 493141 492138 487132 486129
      482129 470127 461140 457143 455147 455153 452161 452164
      455165 459166 461169 461173 459175 453179 452183 451188
      450193 454194 458190 468183 475185 478188 482190 481193
      477200 465206 462205 460207 456211 448219 448223 451225
      453229 453232 452234 448236 447239 448242 446244 442249
      440254 439258 440261 442269 447274 455276 460274 467274
      473274 475276 475280 476284 475289 475293 476295 478298
      483300 486301 489300 499292 507288 511282 515275 521258
      521250 519240 518232 519227 521223 525218 530216 533214
      534209 537202
 0.01 522765 521757 519750 517745 513741 502723 504712 504702
      505696 503693 503689 501684 500679 494665 490653 488647
      487644 486640 482638 477638 473639 471643 469648 467654
      464660 462665 459669 457673 455680 457696 456702 455709
      455715 455722 451746 449755 449761 448765 445779 443783
      442789 440804 437813 432823 431831 431833 435835 437838
      437842 439844 442842 444840 447840 447845 444850 439854
      436858 436864 435869 433879 434893 434899 436904 436911
      438916 441921 444918 446918 445922 443928 443936 445940
      449942 452940 457935 460927 470907 475897 481889 484886
      486887 485892 481902 479904 478907 477912 475917 475924
      477927 480927 486928 489929 497927 504933 503947 506960
      509963 513962 517954 522944 524934 527920 528903 528901
      525901 521905 518909 515912 513906 511900 508895 504895
      501894 500888 496878 501867 505854 505848 506841 506832
      504826 501813 501808 504805 514791 517783 520776 522765
 0.01 454112 449111 449104 450100 448099 445096 438098 431096
      429094 432102 435105 438110 442111 443113 445116 448117
      452115 454112
 0.01 453081 453078 451075 450073 447070 445070 441069 440069
      441072 443074 444075 446077 449078 451080 453081
 0.01 421735 420726 419716 418712 416710 413705 404696 398688
      394684 389683 377686 368690 359695 349702 341710 334718
      328728 318745 308761 295780 288788 281797 256824 252828
      249830 245831 241834 238838 234844 232848 230853 231860
      229866 231868 237874 239879 237885 236890 236898 236905
      240910 240926 241957 246966 248970 251969 261964 266970
      273970 278968 285959 289955 292950 295937 299926 300923
      303924 303928 299937 297947 290973 288986 288994 289001
      289006 293010 299017 309014 315009 319005 322999 323992
      325985 328971 329964 330958 336947 339937 347919 372880
      377873 380859 383850 388840 391835 394828 398816 407792
      413771 417762 419750 421735
 0.25 532203 533197 533190 530184 527177 523172 519166 515163
      509164 504166 498164 495162 492161 484160 480163 485174
      489177 493178 498182 500189 503194 513205 521206 527207
      532203
 0.25 512268 514259 515251 515244 513239 506218 501207 500202
      497200 481203 473209 467214 464218 462226 463231 460235
      458240 457244 461253 468260 476266 489282 495284 499283
      505278 509273 512268
 0.25 475725 475720 475715 474710 471708 468711 467714 466717
      466720 466725 467728 468732 470734 472733 474731 475727
      475725
 0.25 467794 467789 466784 464782 463782 461785 460788 458790
      458794 458797 458800 460804 463803 465801 466797 467794
 0.25 468851 468848 468846 468844 468843 466841 464842 463844
      462844 461846 461847 460849 460850 459852 459854 459857
      460858 462858 463858 465857 466856 467855 468853 468851
      468851
 0.25 404731 404726 403719 399712 394706 389701 384699 380701
      369710 357721 347732 338742 329750 323755 318761 311773
      304784 296794 287806 282811 277815 268824 257832 254839
      253843 254847 258847 262846 262850 260857 259865 256879
      254887 253891 254896 259901 266903 273902 278900 289892
      302884 313875 323868 330868 332869 333874 338891 344893
      349892 352890 359880 366869 373853 375846 378837 383825
      387809 390801 393793 396786 399779 402772 403764 404746
      404731
 0.50 527199 527191 524184 521180 518174 514170 509172 505177
      505182 507185 510189 514195 518199 524200 527199
 0.50 511262 512254 512248 510238 506229 501220 495213 488208
      482207 478208 473214 473217 475219 478221 482224 484227
      484232 482233 477231 471230 465236 464242 465246 471254
      477261 489274 492277 496278 503275 508269 511262
 0.50 398749 398744 397739 394733 389729 384726 375725 369725
      363726 358730 354735 345743 328756 314777 304795 300801
      295805 291807 286812 270825 269827 268832 273836 268848
      262870 260877 260886 263892 269892 285879 295873 307868
      315862 319859 326857 333856 337858 340864 345868 350870
      356868 359864 362858 367847 373835 376822 378810 380803
      383798 385791 388785 391780 393774 395761 396753 398749
 1.00 507251 508246 507240 504234 500225 496220 492217 491214
      484211 481213 480216 485220 487224 489228 490237 483239
      478234 473234 471236 470239 471242 480255 488267 495272
      500272 504264 507253 507251
 1.00 383747 383743 382741 378739 371738 366741 363742 361739
      355743 353747 348750 339755 332760 327767 322776 317785
      313794 311802 307812 305816 301821 295825 289832 281838
      278841 276845 269862 268868 267874 269879 272882 276880
      279877 285872 292864 295862 300861 304861 307859 315854
      322849 331844 342829 350811 361796 363792 366788 370785
      373781 377773 380764 381759 381752 383747
 1.50 504244 504240 503236 502233 500230 499227 497225 496223
      493222 491223 490227 491230 493233 494235 496238 497241
      498243 501245 504244
 1.50 499266 499260 498255 496249 490243 485242 483244 479237
      476235 474235 472237 473240 475243 480249 483255 488262
      493267 497268 499266
 1.50 488218 487215 485215 485216 486218 487218 488218
 1.50 362767 361762 359759 353755 347756 341761 335766 331772
      327778 325784 323794 320800 316806 313811 305825 301831
      297834 290835 285840 280845 278850 275860 274869 274874
      277876 281871 289860 302853 324836 330832 335826 341814
      347798 353786 359774 362767
 2.00 496262 496259 495256 494253 492251 489247 488246 486246
      485251 485253 487256 489260 491261 494263 496262
 2.00 498237 499234 498233 498232 497229 496226 495225 494225
      493227 494229 494230 495232 495233 496235 497237 498237
      498237
 2.00 478243 479241 478240 477238 477237 475236 474237 473239
      475241 476242 477243 478244 478243
 2.00 355766 352762 348763 343766 340770 339777 338781 336786
      337792 336797 334800 329809 329813 331815 335811 339801
      339795 339792 338791 340790 342786 345780 348777 354768
      355766
 2.00 330822 330820 328818 327818 325820 324821 324823 325824
      327824 329823 330822
 2.00 311831 309829 307830 306831 306833 308835 309833 310833
      311831
 2.00 301844 296843 290842 285844 281849 280854 281857 281861
      279867 282867 284864 287860 291856 294853 298848 301844

$$





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.