UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for CAYT... Searching the city database file for: CAYT ... Date:1200Z 27 DEC 25 Station: CAYT WMO ident: 71802 Latitude: 47.52 Longitude: -52.78 Elevation: 112.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -99 SFC 974 112 2.8 2.8 100 0.0 2.8 50 7 278.0 278.9 277.2 291.2 4.80 2 925 534 2.6 2.6 100 0.0 2.6 115 31 282.0 282.8 279.4 295.8 4.99 3 907 694 3.6 2.9 95 0.7 3.2 120 31 284.6 285.5 281.0 299.2 5.20 4 857 1153 1.4 -1.6 80 3.0 0.1 124 33 286.9 287.6 280.6 298.3 3.97 5 850 1219 1.0 -1.8 82 2.8 -0.2 125 34 287.2 287.9 280.7 298.5 3.94 6 825 1458 -0.7 -2.2 90 1.5 -1.3 121 36 287.9 288.6 281.0 299.2 3.94 7 764 2068 -4.7 -11.7 58 7.0 -7.0 119 44 289.9 290.3 279.6 296.0 2.04 8 762 2088 -4.7 -9.5 69 4.8 -6.4 119 44 290.2 290.6 280.2 297.4 2.44 9 759 2119 -4.7 -14.7 45 10.0 -7.8 120 45 290.5 290.8 279.3 295.3 1.61 10 722 2511 -7.7 -14.7 57 7.0 -9.8 116 48 291.4 291.7 279.8 296.5 1.69 11 700 2751 -8.9 -22.9 31 14.0 -12.2 120 47 292.6 292.8 279.3 295.4 0.87 12 690 2862 -9.7 -20.7 40 11.0 -12.4 121 46 292.9 293.1 279.7 296.3 1.06 13 672 3066 -10.3 -35.3 11 25.0 -14.5 122 45 294.5 294.5 279.3 295.4 0.28 14 663 3170 -11.1 -27.1 25 16.0 -14.4 122 44 294.7 294.8 279.9 296.8 0.63 15 647 3357 -12.3 -33.3 16 21.0 -15.9 123 43 295.4 295.5 279.8 296.6 0.36 16 626 3609 -14.5 -36.5 14 22.0 -17.7 125 41 295.7 295.8 279.8 296.6 0.27 17 592 4029 -18.1 -36.1 19 18.0 -20.6 121 42 296.3 296.4 280.1 297.3 0.30 18 549 4589 -21.5 -26.3 65 4.8 -22.4 127 55 298.7 298.9 281.9 301.4 0.81 19 548 4603 -21.5 -26.3 65 4.8 -22.4 128 56 298.9 299.0 282.0 301.5 0.81 20 517 5028 -26.3 -27.2 92 0.9 -26.5 128 74 298.1 298.3 281.6 300.7 0.79 21 513 5084 -26.9 -27.4 96 0.5 -27.0 127 78 298.0 298.2 281.6 300.6 0.79 22 501 5256 -25.7 -25.8 99 0.1 -25.7 125 90 301.5 301.7 283.2 304.6 0.93 23 500 5270 -25.7 -25.7 100 0.0 -25.7 125 91 301.7 301.9 283.3 304.8 0.94 24 490 5416 -26.7 -27.0 97 0.3 -26.8 125 91 302.2 302.4 283.4 305.0 0.85 25 488 5445 -27.1 -33.1 57 6.0 -27.9 125 91 302.1 302.2 282.9 303.7 0.48 26 487 5460 -27.5 -31.2 71 3.7 -28.0 125 91 301.8 301.9 282.9 303.7 0.58 27 481 5548 -28.1 -34.1 56 6.0 -28.8 125 92 302.1 302.2 282.8 303.6 0.44 28 479 5578 -28.3 -41.3 28 13.0 -29.5 125 93 302.2 302.3 282.6 303.0 0.21 29 477 5608 -28.1 -47.1 15 19.0 -29.6 125 93 302.8 302.9 282.7 303.2 0.11 30 449 6042 -26.9 -53.9 6 27.0 -28.8 125 102 309.6 309.6 285.2 309.8 0.06 31 430 6351 -29.9 -53.9 8 24.0 -31.4 125 106 309.7 309.7 285.2 309.9 0.06 32 426 6417 -30.7 -39.7 41 9.0 -31.6 125 106 309.5 309.5 285.5 310.5 0.28 33 423 6467 -31.1 -46.1 21 15.0 -32.3 125 107 309.6 309.6 285.4 310.1 0.14 34 420 6517 -31.7 -42.7 33 11.0 -32.7 125 107 309.4 309.5 285.4 310.2 0.21 35 419 6534 -31.7 -43.7 30 12.0 -32.7 125 108 309.7 309.7 285.4 310.3 0.19 36 418 6551 -31.9 -42.9 33 11.0 -32.9 125 108 309.6 309.6 285.4 310.4 0.21 37 417 6568 -32.1 -36.3 66 4.2 -32.6 125 108 309.6 309.6 285.7 311.0 0.41 38 416 6585 -32.1 -34.7 78 2.6 -32.4 125 108 309.8 309.9 285.8 311.5 0.48 39 400 6860 -33.1 -36.0 75 2.9 -33.4 125 111 312.0 312.1 286.6 313.5 0.44 40 386 7110 -34.1 -38.0 68 3.9 -34.5 125 114 313.9 313.9 287.1 315.2 0.37 41 339 8004 -41.7 -45.9 64 4.2 -41.9 128 119 315.4 315.4 287.5 316.1 0.18 42 300 8820 -48.9 -51.6 73 2.7 -49.0 135 124 316.4 316.4 287.7 316.8 0.11 43 286 9133 -51.4 -53.5 78 2.1 -51.5 140 126 317.2 317.2 287.9 317.5 0.09 44 276 9363 -53.3 -55.0 82 1.7 -53.4 144 123 317.7 317.7 288.1 318.0 0.08 45 272 9457 -53.9 -56.9 69 3.0 -53.9 145 121 318.2 318.2 288.2 318.4 0.06 46 269 9528 -54.3 -60.3 48 6.0 -54.4 145 113 318.6 318.6 288.3 318.8 0.04 47 265 9625 -53.5 -81.5 2 28.0 -53.8 143 105 321.1 321.1 289.1 321.1 0.00 48 250 10000 -53.5 -72.5 8 19.0 -53.8 145 79 326.5 326.5 290.7 326.6 0.01 49 227 10624 -51.9 -77.9 3 26.0 -52.2 141 43 338.1 338.1 293.9 338.1 0.00 50 210 11126 -54.1 -79.1 3 25.0 -54.4 133 46 342.3 342.3 294.8 342.3 0.00 51 207 11218 -53.1 -79.1 3 26.0 -53.4 131 47 345.3 345.3 295.6 345.3 0.00 52 200 11440 -53.7 -80.7 2 27.0 -54.0 140 40 347.7 347.7 296.1 347.7 0.00 53 187 11870 -55.3 -81.3 3 26.0 -55.6 138 38 351.9 351.9 297.0 351.9 0.00 54 177 12221 -53.9 -80.9 2 27.0 -54.2 137 40 359.8 359.8 298.7 359.8 0.00 55 164 12709 -55.7 -81.7 2 26.0 -56.0 153 32 364.7 364.7 299.6 364.7 0.00 56 157 12988 -53.7 -81.7 2 28.0 -54.1 151 29 372.7 372.7 301.0 372.7 0.00 57 150 13280 -54.5 -81.5 2 27.0 -54.9 180 28 376.2 376.2 301.6 376.2 0.00 58 100 15860 -56.9 -83.9 2 27.0 -57.3 225 19 417.8 417.8 307.4 417.8 0.00 59 80 17266 -58.3 -85.3 2 27.0 -58.7 212 19 442.4 442.4 310.1 442.5 0.00 60 77 17505 -59.9 -85.9 2 26.0 -60.3 203 22 444.0 444.0 310.3 444.0 0.00 61 74 17754 -58.7 -85.7 2 27.0 -59.2 199 26 451.6 451.6 311.0 451.6 0.00 62 70 18100 -61.3 -86.3 2 25.0 -61.7 220 34 453.2 453.2 311.1 453.3 0.00 63 69 18189 -61.7 -86.7 2 25.0 -62.0 220 35 454.3 454.3 311.3 454.3 0.00 64 62 18855 -59.5 -86.5 2 27.0 -60.0 250 34 473.2 473.2 312.9 473.3 0.00 65 50 20190 -62.9 -87.9 2 25.0 -63.3 260 18 495.3 495.3 314.6 495.3 0.00 66 37 22031 -66.1 -89.1 3 23.0 -66.4 256 44 531.6 531.6 317.0 531.6 0.00 67 30 23310 -63.9 -88.9 2 25.0 -64.5 235 47 570.4 570.4 319.2 570.5 0.00 68 27 23959 -61.3 -88.3 2 27.0 -62.1 252 51 595.2 595.2 320.4 595.2 0.01 69 20 25810 -63.5 -88.5 2 25.0 -64.4 250 67 641.8 641.8 322.4 641.9 0.01 70 19 26125 -63.9 -89.9 2 26.0 -64.8 252 70 650.0 650.0 322.7 650.1 0.01 71 17 26813 -60.3 -88.3 1 28.0 -61.7 255 76 682.6 682.6 323.9 682.7 0.01 72 12 28977 -62.3 -88.3 2 26.0 -63.8 246 91 747.0 747.0 325.8 747.1 0.01 73 10 30110 -59.9 -86.9 2 27.0 -62.2 250 116 796.0 796.0 327.1 796.1 0.02 74 9.7 30300 -59.7 -87.7 1 28.0 -62.1 803.7 803.7 327.3 803.8 0.02 75 8.3 31288 -54.1 -85.1 1 31.0 -58.6 862.4 862.4 328.7 862.7 0.03 76 6.5 32849 -56.1 -85.1 1 29.0 -60.6 916.4 916.4 329.7 916.8 0.04 77 5.1 34418 -48.5 -82.5 1 34.0 -57.2 1016.6 1016.6 331.5 1017.6 0.09 78 4.8 34821 -43.7 -79.7 1 36.0 -55.4 1056.5 1056.6 332.1 1058.3 0.15 79 4.1 35887 -40.9 -78.9 1 38.0 -55.1 1118.7 1118.8 332.9 1121.2 0.19 80 4.0 36055 -41.5 -78.5 1 37.0 -55.4 1123.7 1123.8 332.9 1126.5 0.21 TRP 269 9528 -54.3 -60.3 48 6.0 -54.4 145 113 318.6 318.6 288.3 318.8 0.04 WND 286 9133 -51.4 -53.5 78 2.1 -51.5 140 126 317.2 317.2 287.9 317.5 0.09 Sounding variables and indices 1000-500 mb thick: 5369.00 m Freezing level: 835.29 mb = 1359.78 m = 4461.15 ft Wetbulb zero: 855.13 mb = 1170.52 m = 3840.23 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 59.53 % Est. max temperature: 12.58 C = 54.65 F Sfc-Lift cond lev (LCL): 973.86 mb = 113.16 m = 371.26 ft T: 2.80 C 700-500 lapse rate: 6.67 C/km ThetaE index: 3.16 C Layer 764.0- 762.0 mb Conv cond level (CCL): 974.00 mb = 112.00 m = 367.45 ft Mean mixing ratio: 4.89 g/kg Conv temperature: 3.05 C = 37.48 F Cap Strength: 5.95 C Lifted Index: 6.10 C Risk: None Lifted Index @300 mb: 14.54 C Lifted Index @700 mb: 2.86 C Showalter Index: 4.34 C Risk: None Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 23.90 C K Index: 10.90 Risk: None Sweat Index: 191.00 Risk: None Energy Index: 1.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.03 J/kg Max Up Vert Vel: 8.49 m/s Conv Inhibition (B-): 85288.13 J/kg Cap Strength: 5.15 C Lift Cond Lev (LCL): 914.54 mb = 626.31 m = 2054.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 153 at 39 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 ---------------------------------------------------------- 0 974 112 50 7 -5.4 -4.5 | 342 41 12.5 -38.9 1 951 305 90 24 -24.0 0.0 | 10 35 -6.2 -34.4 2 925 534 115 31 -28.1 13.1 | 26 24 -10.3 -21.3 3 916 610 120 32 -27.7 16.0 | 28 21 -9.9 -18.4 4 883 914 120 28 -24.2 14.0 | 17 21 -6.4 -20.4 5 850 1219 125 34 -27.9 19.5 | 34 18 -10.0 -14.9 6 850 1219 125 33 -27.0 18.9 | 31 18 -9.2 -15.5 7 787 1829 115 41 -37.2 17.3 | 49 26 -19.3 -17.1 8 757 2134 120 45 -39.0 22.5 | 61 24 -21.1 -11.9 9 728 2438 115 48 -43.5 20.3 | 61 29 -25.7 -14.1 10 701 2743 120 46 -39.8 23.0 | 63 25 -22.0 -11.4 11 700 2751 120 47 -40.7 23.5 | 64 25 -22.9 -10.9 12 620 3658 125 41 -33.6 23.5 | 55 19 -15.8 -10.9 13 595 3962 120 41 -35.5 20.5 | 52 23 -17.7 -13.9 14 572 4267 125 46 -37.7 26.4 | 68 21 -19.9 -8.0 15 527 4877 130 65 -49.8 41.8 | 103 33 -32.0 7.4 16 500 5270 125 91 -74.5 52.2 | 107 59 -56.7 17.8 17 485 5486 125 91 -74.5 52.2 | 107 59 -56.7 17.8 18 445 6096 125 103 -84.4 59.1 | 110 71 -66.5 24.7 19 400 6860 125 111 -90.9 63.7 | 112 79 -73.1 29.2 20 374 7315 125 117 -95.8 67.1 | 113 85 -78.0 32.7 21 358 7620 125 117 -95.8 67.1 | 113 85 -78.0 32.7 22 300 8820 135 124 -87.7 87.7 | 127 88 -69.9 53.3 23 286 9133 140 126 -81.0 96.5 | 135 89 -63.2 62.1 24 285 9144 140 125 -80.3 95.8 | 134 88 -62.5 61.3 25 272 9449 145 122 -70.0 99.9 | 141 84 -52.1 65.5 26 269 9528 145 113 -64.8 92.6 | 141 75 -47.0 58.1 27 260 9754 140 94 -60.4 72.0 | 131 57 -42.6 37.6 28 250 10000 145 79 -45.3 64.7 | 138 41 -27.5 30.3 29 236 10363 145 54 -31.0 44.2 | 127 16 -13.1 9.8 30 225 10668 140 41 -26.4 31.4 | 71 9 -8.5 -3.0 31 205 11278 130 48 -36.8 30.9 | 79 19 -18.9 -3.6 32 200 11440 140 40 -25.7 30.6 | 64 9 -7.9 -3.8 33 196 11582 140 37 -23.8 28.3 | 44 9 -6.0 -6.1 34 178 12192 135 40 -28.3 28.3 | 60 12 -10.5 -6.1 35 170 12497 155 35 -14.8 31.7 | 312 4 3.0 -2.7 36 154 13106 150 27 -13.5 23.4 | 339 12 4.3 -11.0 37 150 13280 180 28 0.0 28.0 | 290 19 17.8 -6.4 38 121 14630 185 17 1.5 16.9 | 312 26 19.3 -17.5 39 116 14935 185 17 1.5 16.9 | 312 26 19.3 -17.5 40 110 15240 200 12 4.1 11.3 | 317 32 21.9 -23.1 41 105 15545 205 15 6.3 13.6 | 311 32 24.2 -20.8 42 100 15850 200 19 6.5 17.9 | 304 29 24.3 -16.6 43 100 15860 225 19 13.4 13.4 | 304 38 31.3 -21.0 44 95 16154 225 19 13.4 13.4 | 304 38 31.3 -21.0 45 87 16764 215 12 6.9 9.8 | 315 35 24.7 -24.6 46 82 17069 225 18 12.7 12.7 | 305 37 30.6 -21.7 47 79 17374 205 20 8.5 18.1 | 302 31 26.3 -16.3 48 71 17983 195 30 7.8 29.0 | 282 26 25.6 -5.4 49 70 18100 220 34 21.9 26.0 | 282 41 39.7 -8.4 50 65 18593 220 37 23.8 28.3 | 278 42 41.6 -6.1 51 62 18898 255 33 31.9 8.5 | 298 56 49.7 -25.9 52 59 19202 265 31 30.9 2.7 | 303 58 48.7 -31.7 53 53 19812 210 22 11.0 19.1 | 298 33 28.8 -15.4 54 51 20117 220 25 16.1 19.2 | 294 37 33.9 -15.3 55 50 20190 260 18 17.7 3.1 | 311 47 35.6 -31.3 56 48 20422 260 19 18.7 3.3 | 310 48 36.5 -31.1 57 46 20726 245 16 14.5 6.8 | 311 43 32.3 -27.7 58 44 21031 225 22 15.6 15.6 | 299 38 33.4 -18.9 59 41 21336 230 28 21.4 18.0 | 293 43 39.3 -16.4 60 38 21946 260 45 44.3 7.8 | 293 68 62.1 -26.6 61 36 22250 245 40 36.3 16.9 | 288 57 54.1 -17.5 62 34 22555 255 47 45.4 12.2 | 289 67 63.2 -22.3 63 32 22860 245 40 36.3 16.9 | 288 57 54.1 -17.5 64 31 23165 230 58 44.4 37.3 | 267 62 62.3 2.9 65 30 23310 235 47 38.5 27.0 | 278 57 56.3 -7.5 66 26 24079 255 52 50.2 13.5 | 287 71 68.1 -21.0 67 25 24384 230 46 35.2 29.6 | 275 53 53.1 -4.9 68 24 24689 230 41 31.4 26.4 | 279 50 49.2 -8.1 69 21 25603 230 67 51.3 43.1 | 263 70 69.2 8.6 70 20 25810 250 67 63.0 22.9 | 278 82 80.8 -11.5 71 17 26822 255 76 73.4 19.7 | 279 92 91.2 -14.8 72 15 27432 250 80 75.2 27.4 | 274 93 93.0 -7.1 73 13 28651 245 84 76.1 35.5 | 269 94 94.0 1.1 74 10 30110 250 116 109.0 39.7 | 268 127 126.8 5.2 Wind Parameters Mean winds (0-6000m): 122.6 at 51.7 knts Storm direction: 152.6 at 38.8 knts Shear (0-3000m) pos: 6.2 neg: 1.6 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 79.4 deg Storm rel helicity (0-3000m) pos: 365.4 neg: -28.0 tot: 337.4 m^2/s^2 ave: 112.5 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 12.5 stream: 7.0 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.28 Bulk Shear: 126.88 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 ------------------------------------------------------------------------------- 500 101 24 10 30| 31.2 0.0 31.2|259.3 0.0 259.3 518.7 0.75| 37.9 28.6 1000 112 27 16 25| 15.7 0.0 15.7|278.3 -21.8 256.5 256.5 0.61| 23.2 14.1 1500 116 30 22 23| 10.5 2.4 12.9|307.9 -21.8 286.1 190.7 0.62| 18.2 11.4 2000 117 33 30 23| 9.6 1.8 11.3|351.9 -21.8 330.1 165.1 0.65| 15.9 10.3 2500 117 35 37 23| 7.6 1.9 9.6|359.4 -21.8 337.7 135.1 0.60| 14.1 8.4 3000 118 37 41 23| 6.2 1.6 7.8|365.4 -28.0 337.4 112.5 0.56| 12.5 7.0 4000 119 39 45 22| 4.3 1.6 5.9|381.5 -46.6 334.9 83.7 0.49| 10.7 5.2 5000 121 43 56 22| 4.9 3.6 8.5|537.5 -46.6 491.0 98.2 0.51| 12.5 6.4 6000 123 52 76 27| 4.1 4.9 9.0|602.7 -46.6 556.2 92.7 0.46| 12.4 5.6 Wrote GIF file: /home/apache/climate/data/raob//CAYT/skewt/CAYT.skewt.20251227.12.gif