UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for PAFA... Searching the city database file for: PAFA ... Date:0000Z 9 DEC 25 Station: PAFA WMO ident: 70261 Latitude: 64.82 Longitude: -147.87 Elevation: 138.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1001 138 -32.5 -35.5 75 3.0 -32.7 0 0 240.6 240.6 240.4 241.1 0.19 1 1000 142 -30.5 -33.9 72 3.4 -30.7 275 1 242.6 242.7 242.5 243.2 0.22 2 992 200 -24.9 -29.9 63 5.0 -25.4 335 4 248.8 248.9 248.3 249.7 0.32 3 991 207 -25.3 -30.1 64 4.8 -25.7 343 4 248.5 248.5 248.0 249.4 0.32 4 988 229 -23.9 -29.9 58 6.0 -24.4 6 5 250.1 250.2 249.5 251.0 0.32 5 974 334 -21.7 -29.7 48 8.0 -22.5 81 9 253.4 253.4 252.4 254.3 0.33 6 972 349 -21.7 -29.7 48 8.0 -22.5 82 10 253.5 253.6 252.5 254.4 0.33 7 969 372 -20.9 -29.9 44 9.0 -21.8 82 10 254.5 254.6 253.4 255.5 0.33 8 968 380 -18.9 -28.9 41 10.0 -20.0 83 11 256.6 256.7 255.2 257.6 0.36 9 965 403 -18.9 -28.9 41 10.0 -20.0 83 11 256.9 256.9 255.4 257.9 0.36 10 960 441 -18.1 -28.1 41 10.0 -19.3 85 13 258.0 258.1 256.4 259.2 0.39 11 925 719 -18.3 -30.3 34 12.0 -19.7 95 15 260.6 260.6 258.3 261.6 0.33 12 918 776 -18.7 -29.7 37 11.0 -20.0 94 16 260.8 260.8 258.5 261.8 0.35 13 896 956 -18.5 -29.5 37 11.0 -19.8 90 17 262.8 262.8 260.1 263.8 0.37 14 867 1202 -16.7 -32.7 24 16.0 -18.6 90 15 267.1 267.2 263.2 268.0 0.28 15 850 1351 -16.9 -28.9 35 12.0 -18.5 90 19 268.4 268.5 264.4 269.7 0.41 16 831 1520 -17.5 -27.5 41 10.0 -18.9 83 21 269.6 269.6 265.3 271.0 0.48 17 811 1703 -16.9 -24.9 50 8.0 -18.2 75 23 272.1 272.2 267.3 273.9 0.62 18 804 1768 -16.9 -24.9 50 8.0 -18.2 73 23 272.7 272.9 267.7 274.6 0.63 19 798 1824 -17.1 -26.1 46 9.0 -18.5 70 24 273.1 273.2 267.9 274.8 0.57 20 774 2053 -18.5 -26.5 49 8.0 -19.7 70 26 274.0 274.1 268.5 275.7 0.57 21 772 2072 -17.5 -27.5 41 10.0 -19.0 70 26 275.3 275.4 269.2 276.8 0.52 22 764 2150 -17.1 -29.1 34 12.0 -18.8 69 27 276.5 276.6 269.9 277.9 0.45 23 756 2229 -17.1 -28.1 38 11.0 -18.8 64 28 277.4 277.5 270.5 278.9 0.50 24 700 2804 -19.1 -25.1 59 6.0 -20.1 35 32 281.3 281.5 273.2 283.5 0.71 25 678 3041 -20.3 -25.3 64 5.0 -21.1 31 34 282.6 282.7 273.9 284.8 0.72 26 672 3106 -19.7 -25.7 59 6.0 -20.7 30 34 284.0 284.1 274.6 286.1 0.70 27 638 3491 -20.7 -26.7 59 6.0 -21.7 23 37 287.1 287.2 276.2 289.2 0.67 28 632 3560 -20.9 -27.9 53 7.0 -22.0 22 37 287.6 287.7 276.4 289.5 0.61 29 609 3833 -22.9 -27.6 65 4.7 -23.6 19 40 288.4 288.5 276.9 290.4 0.65 30 606 3869 -22.9 -28.9 58 6.0 -23.8 18 41 288.8 288.9 277.0 290.6 0.58 31 565 4378 -26.9 -31.3 66 4.4 -27.5 13 45 289.9 290.0 277.4 291.5 0.49 32 554 4519 -27.5 -32.0 65 4.5 -28.0 11 43 290.9 290.9 277.9 292.4 0.47 33 545 4637 -27.9 -34.9 51 7.0 -28.6 11 43 291.7 291.8 278.1 292.9 0.36 34 542 4676 -27.7 -34.7 51 7.0 -28.5 12 43 292.4 292.5 278.4 293.7 0.37 35 500 5250 -32.3 -37.3 61 5.0 -32.7 15 47 293.7 293.7 278.9 294.7 0.31 36 483 5493 -34.5 -38.8 65 4.3 -34.8 14 48 293.9 293.9 279.0 294.8 0.28 37 476 5594 -34.7 -40.7 54 6.0 -35.1 13 48 294.9 294.9 279.4 295.6 0.23 38 440 6140 -37.5 -45.5 43 8.0 -37.9 10 49 298.0 298.0 280.7 298.5 0.15 39 439 6155 -37.7 -45.7 43 8.0 -38.2 10 49 298.0 298.0 280.7 298.5 0.15 40 431 6282 -38.3 -50.3 27 12.0 -38.9 10 51 298.8 298.8 280.9 299.1 0.09 41 411 6606 -40.9 -49.9 37 9.0 -41.3 10 53 299.5 299.5 281.3 299.8 0.10 42 400 6790 -42.5 -53.5 29 11.0 -42.9 10 55 299.8 299.8 281.3 300.0 0.07 43 397 6841 -42.9 -54.9 26 12.0 -43.3 10 55 299.9 299.9 281.4 300.1 0.06 44 368 7347 -47.3 -57.3 31 10.0 -47.6 7 58 300.6 300.6 281.7 300.8 0.04 45 342 7828 -50.7 -59.7 34 9.0 -50.9 5 63 302.3 302.4 282.4 302.5 0.04 46 331 8040 -52.3 -62.3 29 10.0 -52.5 5 66 303.0 303.0 282.6 303.1 0.03 47 323 8198 -53.5 -62.5 33 9.0 -53.7 5 68 303.5 303.5 282.8 303.6 0.03 48 312 8420 -54.9 -63.3 35 8.4 -55.0 5 71 304.5 304.5 283.2 304.6 0.02 49 306 8544 -55.7 -63.7 36 8.0 -55.8 5 71 305.1 305.1 283.5 305.2 0.02 50 303 8607 -55.9 -62.9 41 7.0 -56.0 5 68 305.7 305.7 283.7 305.8 0.03 51 300 8670 -55.9 -65.9 28 10.0 -56.0 5 65 306.6 306.6 284.0 306.6 0.02 52 299 8691 -55.9 -65.9 28 10.0 -56.0 5 64 306.8 306.8 284.1 306.9 0.02 53 293 8820 -56.7 -65.7 31 9.0 -56.8 5 60 307.5 307.5 284.4 307.6 0.02 54 287 8951 -57.3 -69.3 20 12.0 -57.4 5 55 308.5 308.5 284.8 308.5 0.01 55 283 9040 -56.9 -70.9 15 14.0 -57.1 5 55 310.3 310.3 285.4 310.3 0.01 56 277 9176 -56.5 -68.5 21 12.0 -56.6 4 53 312.8 312.8 286.3 312.8 0.01 57 250 9830 -54.3 -77.3 4 23.0 -54.5 350 42 325.3 325.3 290.4 325.4 0.00 58 200 11290 -51.1 -79.1 2 28.0 -51.5 345 22 351.8 351.8 297.0 351.9 0.00 59 150 13180 -45.9 -79.9 1 34.0 -46.9 320 29 391.0 391.0 303.9 391.0 0.00 60 100 15860 -47.5 -81.5 1 34.0 -48.7 260 37 435.9 436.0 309.4 436.0 0.01 61 89 16631 -48.3 -81.3 1 33.0 -49.6 287 41 449.1 449.1 310.8 449.2 0.01 62 84 17016 -44.1 -80.1 1 36.0 -46.0 291 41 465.1 465.1 312.3 465.2 0.01 63 72 18043 -48.1 -82.1 1 34.0 -49.6 280 30 477.6 477.6 313.2 477.7 0.01 64 70 18230 -46.9 -81.9 1 35.0 -48.6 275 28 484.1 484.1 313.8 484.1 0.01 65 66 18619 -46.1 -81.1 1 35.0 -48.1 266 30 494.0 494.0 314.5 494.1 0.01 66 63 18927 -46.1 -81.1 1 35.0 -48.1 273 36 500.6 500.6 315.0 500.7 0.01 67 55 19818 -49.9 -82.9 1 33.0 -51.5 290 35 511.7 511.7 315.8 511.8 0.01 68 50 20440 -49.3 -83.3 1 34.0 -51.1 300 34 527.3 527.3 316.8 527.3 0.01 69 41 21750 -47.3 -82.3 1 35.0 -49.9 299 43 563.1 563.1 318.8 563.1 0.01 70 30 23810 -49.3 -83.3 1 34.0 -52.1 295 46 610.2 610.2 321.0 610.3 0.01 71 28 24262 -48.9 -82.9 1 34.0 -51.9 291 48 623.5 623.5 321.6 623.6 0.01 72 25 25003 -50.9 -83.9 1 33.0 -53.7 300 58 638.3 638.3 322.2 638.4 0.01 73 20 26450 -52.3 -85.3 1 33.0 -55.1 310 53 676.1 676.1 323.6 676.2 0.01 74 17 27495 -54.3 -85.3 1 31.0 -57.0 316 51 701.8 701.8 324.5 702.0 0.02 75 16 27885 -53.1 -85.1 1 32.0 -56.2 318 46 718.0 718.0 325.0 718.2 0.02 76 14 28743 -53.9 -85.9 1 32.0 -57.1 320 48 743.3 743.3 325.7 743.4 0.02 77 12 29736 -52.1 -85.1 1 33.0 -56.2 307 48 783.1 783.2 326.8 783.4 0.02 78 12 29736 -52.1 -85.1 1 33.0 -56.2 307 48 783.1 783.2 326.8 783.4 0.02 79 11 30299 -51.9 -84.9 1 33.0 -56.3 305 55 803.6 803.6 327.3 803.8 0.03 80 10 30920 -49.3 -84.3 1 35.0 -55.1 305 53 835.5 835.5 328.1 835.8 0.03 81 9.9 30986 -48.9 -83.9 1 35.0 -54.9 306 53 839.4 839.4 328.2 839.8 0.04 82 9.2 31466 -50.3 -84.3 1 34.0 -55.9 311 53 851.9 851.9 328.4 852.2 0.04 83 9.1 31537 -48.9 -83.9 1 35.0 -55.2 312 54 859.9 859.9 328.6 860.3 0.04 84 8.7 31830 -51.3 -84.3 1 33.0 -56.7 315 54 861.7 861.7 328.7 862.1 0.04 85 8.0 32377 -49.5 -84.5 1 35.0 -56.0 321 54 889.8 889.8 329.2 890.2 0.04 86 7.7 32628 -48.9 -83.9 1 35.0 -55.8 323 54 902.0 902.0 329.5 902.4 0.05 87 7.0 33250 -51.1 -85.1 1 34.0 -57.3 330 55 917.8 917.8 329.8 918.2 0.04 TRP 287 8951 -57.3 -69.3 20 12.0 -57.4 5 55 308.5 308.5 284.8 308.5 0.01 WND 312 8420 -54.9 -63.3 35 8.4 -55.0 5 71 304.5 304.5 283.2 304.6 0.02 Sounding variables and indices 1000-500 mb thick: 5108.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 50.78 % Est. max temperature: -4.71 C = 23.52 F Sfc-Lift cond lev (LCL): 951.06 mb = 511.39 m = 1677.78 ft T: -18.15 C 700-500 lapse rate: 5.40 C/km ThetaE index: 0.35 C Layer 991.0- 988.0 mb Conv cond level (CCL): 1000.00 mb = 142.00 m = 465.87 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -28.99 C = -20.19 F Cap Strength: 29.23 C Lifted Index: 29.56 C Risk: None Lifted Index @300 mb: 34.61 C Lifted Index @700 mb: 21.78 C Showalter Index: 19.83 C Risk: None Total Totals Index: 18.80 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 3.40 C K Index: -19.50 Risk: None Sweat Index: 85.00 Risk: None Energy Index: 5.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.45 J/kg Max Up Vert Vel: 11.09 m/s Conv Inhibition (B-): 83691.46 J/kg Cap Strength: 29.53 C Lift Cond Lev (LCL): 812.37 mb = 1690.45 m = 5546.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 60 at 25 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1001 138 0 0 -0.0 -0.0 | 240 25 21.4 12.4 1 1000 142 275 1 1.0 -0.1 | 241 26 22.4 12.3 2 978 305 80 8 -7.9 -1.4 | 231 17 13.5 11.0 3 939 610 90 18 -18.0 0.0 | 195 13 3.4 12.4 4 925 719 95 15 -14.9 1.3 | 205 15 6.4 13.7 5 901 914 90 17 -17.0 0.0 | 199 13 4.4 12.4 6 865 1219 90 15 -15.0 0.0 | 207 14 6.4 12.4 7 850 1351 90 19 -19.0 0.0 | 191 13 2.4 12.4 8 797 1829 70 24 -22.6 -8.2 | 164 4 -1.2 4.2 9 766 2134 70 27 -25.4 -9.2 | 128 5 -4.0 3.2 10 735 2438 50 29 -22.2 -18.6 | 8 6 -0.8 -6.2 11 706 2743 35 29 -16.6 -23.8 | 337 12 4.7 -11.4 12 700 2804 35 32 -18.4 -26.2 | 348 14 3.0 -13.8 13 622 3658 20 38 -13.0 -35.7 | 340 25 8.4 -23.3 14 572 4267 15 46 -11.9 -44.4 | 344 33 9.5 -32.0 15 549 4572 10 42 -7.3 -41.4 | 334 32 14.1 -29.0 16 526 4877 15 45 -11.6 -43.5 | 343 33 9.7 -31.1 17 505 5182 20 48 -16.4 -45.1 | 351 33 5.0 -32.7 18 500 5250 15 47 -12.2 -45.4 | 344 34 9.2 -33.0 19 442 6096 10 49 -8.5 -48.3 | 340 38 12.9 -35.9 20 400 6790 10 55 -9.6 -54.2 | 344 43 11.8 -41.8 21 352 7620 5 60 -5.2 -59.8 | 341 50 16.1 -47.4 22 312 8420 5 71 -6.2 -70.7 | 345 60 15.2 -58.3 23 306 8534 5 71 -6.2 -70.7 | 345 60 15.2 -58.3 24 300 8670 5 65 -5.7 -64.8 | 343 55 15.7 -52.4 25 287 8951 5 55 -4.8 -54.8 | 339 46 16.6 -42.4 26 278 9144 5 55 -4.8 -54.8 | 339 46 16.6 -42.4 27 265 9449 360 41 -0.0 -41.0 | 323 36 21.4 -28.6 28 250 9830 350 42 7.3 -41.4 | 315 41 28.7 -29.0 29 241 10058 345 44 11.4 -42.5 | 313 44 32.8 -30.1 30 220 10668 360 23 -0.0 -23.0 | 296 24 21.4 -10.6 31 210 10973 335 20 8.5 -18.1 | 281 30 29.8 -5.7 32 200 11290 345 22 5.7 -21.3 | 288 28 27.1 -8.9 33 191 11582 345 22 5.7 -21.3 | 288 28 27.1 -8.9 34 183 11887 300 21 18.2 -10.5 | 267 40 39.6 1.9 35 174 12192 310 41 31.4 -26.4 | 285 55 52.8 -14.0 36 166 12497 325 40 22.9 -32.8 | 295 49 44.3 -20.4 37 159 12802 315 45 31.8 -31.8 | 290 57 53.2 -19.4 38 152 13106 310 27 20.7 -17.4 | 277 42 42.1 -5.0 39 150 13180 320 29 18.6 -22.2 | 284 41 40.0 -9.8 40 138 13716 320 15 9.6 -11.5 | 268 31 31.0 0.9 41 126 14326 270 24 24.0 -0.0 | 255 47 45.4 12.4 42 120 14630 295 31 28.1 -13.1 | 271 49 49.5 -0.7 43 115 14935 280 16 15.8 -2.8 | 255 38 37.1 9.6 44 110 15240 290 24 22.6 -8.2 | 265 44 43.9 4.2 45 105 15545 300 33 28.6 -16.5 | 275 50 49.9 -4.1 46 100 15850 265 30 29.9 2.6 | 254 53 51.3 15.0 47 100 15860 260 37 36.4 6.4 | 252 61 57.8 18.8 48 96 16154 260 37 36.4 6.4 | 252 61 57.8 18.8 49 91 16459 290 34 31.9 -11.6 | 269 53 53.3 0.8 50 87 16764 285 46 44.4 -11.9 | 270 66 65.8 0.5 51 80 17374 300 35 30.3 -17.5 | 276 52 51.7 -5.1 52 70 18230 275 28 27.9 -2.4 | 259 50 49.3 10.0 53 69 18288 290 30 28.2 -10.3 | 268 50 49.6 2.1 54 66 18593 265 29 28.9 2.5 | 253 52 50.3 14.9 55 60 19202 280 42 41.4 -7.3 | 265 63 62.7 5.1 56 50 20422 300 28 24.2 -14.0 | 272 46 45.6 -1.6 57 50 20440 300 34 29.4 -17.0 | 275 51 50.8 -4.6 58 46 21031 305 33 27.0 -18.9 | 278 49 48.4 -6.5 59 44 21336 305 34 27.9 -19.5 | 278 50 49.2 -7.1 60 42 21641 295 40 36.3 -16.9 | 274 58 57.6 -4.5 61 40 21946 305 49 40.1 -28.1 | 284 63 61.5 -15.7 62 38 22250 295 49 44.4 -20.7 | 277 66 65.8 -8.3 63 36 22555 295 51 46.2 -21.6 | 278 68 67.6 -9.2 64 33 23165 305 42 34.4 -24.1 | 282 57 55.8 -11.7 65 32 23470 290 40 37.6 -13.7 | 271 59 59.0 -1.3 66 30 23810 295 46 41.7 -19.4 | 276 63 63.1 -7.0 67 27 24384 290 48 45.1 -16.4 | 273 67 66.5 -4.0 68 25 24994 300 58 50.2 -29.0 | 283 74 71.6 -16.6 69 24 25298 310 54 41.4 -34.7 | 290 67 62.7 -22.3 70 20 26450 310 53 40.6 -34.1 | 289 66 62.0 -21.7 71 17 27432 315 52 36.8 -36.8 | 293 63 58.1 -24.4 72 16 27737 320 46 29.6 -35.2 | 294 56 50.9 -22.8 73 15 28346 310 47 36.0 -30.2 | 287 60 57.4 -17.8 74 14 28956 325 48 27.5 -39.3 | 299 56 48.9 -26.9 75 13 29261 310 40 30.6 -25.7 | 284 54 52.0 -13.3 76 11 30175 305 56 45.9 -32.1 | 286 70 67.2 -19.7 77 10 30920 305 53 43.4 -30.4 | 286 67 64.8 -18.0 78 7 33250 330 55 27.5 -47.6 | 306 60 48.9 -35.2 Wind Parameters Mean winds (0-6000m): 29.9 at 32.9 knts Storm direction: 59.9 at 24.7 knts Shear (0-3000m) pos: 3.0 neg: 5.2 tot: 8.2 10-3/s Storm rel Dir Shear (0-3000m): 105.3 deg Storm rel helicity (0-3000m) pos: 43.2 neg: -112.0 tot: -68.8 m^2/s^2 ave: -22.9 10^-3 m/s^2 rel: -0.45 Storm rel vorticity (0-3000m) horiz: 11.7 stream: -5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.57 Bulk Shear: 107.85 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 86 10 223 16| 17.7 0.0 17.7| 24.7 -62.8 -38.0 -76.0 -0.47| 23.2-10.9 1000 89 13 214 15| 8.9 0.9 9.7| 35.2 -67.0 -31.8 -31.8 -0.32| 14.5 -4.6 1500 88 15 208 13| 5.9 2.3 8.2| 35.2 -83.9 -48.7 -32.5 -0.39| 12.6 -4.9 2000 82 17 203 11| 4.4 3.3 7.7| 35.2 -89.8 -54.7 -27.3 -0.43| 11.2 -4.8 2500 74 20 200 7| 3.5 4.6 8.2| 35.2-105.1 -70.0 -28.0 -0.52| 12.1 -6.3 3000 64 22 213 3| 3.0 5.2 8.2| 43.2-112.0 -68.8 -22.9 -0.45| 11.7 -5.2 4000 47 26 336 6| 2.2 5.6 7.8| 52.9-122.2 -69.2 -17.3 -0.38| 10.5 -4.0 5000 36 30 342 12| 2.6 4.4 7.0|127.7-163.6 -35.8 -7.2 -0.28| 9.9 -2.8 6000 30 33 343 17| 2.1 4.2 6.3|127.7-216.7 -89.0 -14.8 -0.31| 9.0 -2.8 Wrote GIF file: /home/apache/climate/data/raob//PAFA/skewt/PAFA.skewt.20251209.00.gif