UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for CAYT... Searching the city database file for: CAYT ... Date:1200Z 18 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 21 SFC 989 112 4.0 2.4 89 1.6 3.2 245 10 278.0 278.8 277.0 290.6 4.60 2 925 651 0.0 0.0 100 0.0 0.0 260 40 279.3 280.0 277.0 290.7 4.13 3 850 1324 -4.3 -4.3 100 0.0 -4.3 260 46 281.6 282.2 277.1 290.9 3.27 4 811 1693 -6.3 -6.3 100 0.0 -6.3 254 52 283.3 283.8 277.5 291.7 2.94 5 797 1829 -4.1 -4.4 98 0.3 -4.2 250 49 287.1 287.7 280.0 297.0 3.46 6 781 1989 -4.5 -6.6 85 2.1 -5.3 253 51 288.3 288.9 280.0 297.0 2.98 7 767 2131 -5.5 -7.2 88 1.7 -6.1 255 52 288.7 289.3 280.1 297.2 2.90 8 745 2359 -6.5 -9.0 82 2.5 -7.4 251 59 290.1 290.5 280.3 297.7 2.59 9 735 2465 -6.3 -15.3 49 9.0 -9.0 250 62 291.4 291.7 279.7 296.2 1.58 10 722 2604 -7.1 -19.1 38 12.0 -10.3 247 63 292.0 292.2 279.4 295.6 1.17 11 712 2713 -6.7 -29.7 14 23.0 -11.4 245 63 293.6 293.7 279.1 295.1 0.46 12 700 2846 -6.3 -25.3 21 19.0 -10.7 245 69 295.5 295.6 280.3 297.8 0.70 13 695 2902 -6.9 -26.9 19 20.0 -11.3 244 70 295.4 295.6 280.2 297.4 0.61 14 688 2981 -7.3 -17.3 45 10.0 -10.2 242 73 295.9 296.1 281.4 300.3 1.43 15 684 3026 -7.7 -18.7 41 11.0 -10.7 242 74 295.9 296.1 281.3 299.9 1.28 16 664 3256 -9.9 -15.9 61 6.0 -11.6 237 80 296.0 296.3 281.8 301.1 1.67 17 660 3303 -9.9 -13.2 77 3.3 -10.9 236 81 296.5 296.8 282.5 302.9 2.09 18 626 3709 -12.5 -12.7 98 0.2 -12.6 235 77 298.0 298.4 283.4 305.1 2.30 19 575 4353 -16.1 -16.2 99 0.1 -16.2 229 74 301.1 301.5 284.2 307.0 1.88 20 518 5131 -21.9 -22.1 98 0.2 -22.0 225 81 303.3 303.5 284.3 307.3 1.26 21 511 5231 -23.1 -24.8 86 1.7 -23.4 225 85 303.0 303.2 283.9 306.2 1.00 22 509 5260 -23.3 -23.5 98 0.2 -23.4 225 86 303.1 303.3 284.1 306.7 1.13 23 505 5317 -23.7 -25.9 82 2.2 -24.1 225 88 303.3 303.4 283.9 306.3 0.92 24 500 5390 -24.3 -26.2 84 1.9 -24.6 225 91 303.4 303.6 284.0 306.4 0.90 25 494 5478 -24.9 -27.0 83 2.1 -25.3 226 92 303.7 303.9 284.0 306.5 0.85 26 492 5508 -25.1 -28.0 77 2.9 -25.6 226 93 303.8 304.0 284.0 306.4 0.78 27 491 5522 -24.9 -32.9 47 8.0 -26.1 226 93 304.3 304.3 283.8 305.9 0.49 28 489 5552 -25.1 -33.1 47 8.0 -26.2 226 94 304.4 304.5 283.8 306.0 0.48 29 485 5612 -25.7 -39.7 26 14.0 -27.2 227 95 304.3 304.4 283.5 305.2 0.25 30 480 5687 -26.5 -41.5 23 15.0 -28.0 227 96 304.3 304.3 283.4 305.0 0.21 31 479 5702 -26.7 -40.7 25 14.0 -28.2 227 96 304.2 304.2 283.4 305.0 0.23 32 475 5763 -26.7 -43.7 18 17.0 -28.3 228 97 304.9 305.0 283.6 305.5 0.17 33 426 6544 -30.7 -47.7 17 17.0 -32.0 230 110 309.5 309.5 285.3 309.9 0.12 34 420 6645 -30.9 -39.9 41 9.0 -31.8 230 111 310.5 310.5 285.8 311.5 0.28 35 400 6990 -33.5 -41.5 44 8.0 -34.2 230 114 311.4 311.5 286.2 312.4 0.25 36 394 7096 -33.9 -38.4 64 4.5 -34.3 230 114 312.3 312.3 286.6 313.5 0.35 37 390 7167 -34.1 -44.1 36 10.0 -34.9 230 115 312.9 313.0 286.6 313.6 0.20 38 386 7239 -34.5 -41.5 49 7.0 -35.1 230 115 313.3 313.4 286.8 314.3 0.26 39 380 7348 -35.3 -49.3 23 14.0 -36.2 230 115 313.7 313.7 286.8 314.1 0.11 40 375 7440 -35.9 -43.9 44 8.0 -36.5 230 115 314.1 314.1 287.0 314.8 0.21 41 364 7646 -37.7 -42.7 59 5.0 -38.1 230 116 314.4 314.4 287.2 315.2 0.24 42 356 7798 -38.9 -44.9 53 6.0 -39.3 229 117 314.7 314.8 287.2 315.5 0.20 43 351 7895 -39.5 -43.9 63 4.4 -39.8 229 118 315.2 315.3 287.4 316.0 0.22 44 332 8273 -42.1 -49.1 46 7.0 -42.5 228 121 316.7 316.7 287.8 317.2 0.13 45 322 8479 -43.5 -47.6 64 4.1 -43.7 227 123 317.6 317.6 288.1 318.2 0.16 46 320 8520 -43.7 -49.7 51 6.0 -44.0 227 123 317.8 317.9 288.2 318.3 0.13 47 306 8819 -46.1 -48.0 81 1.9 -46.2 226 126 318.6 318.6 288.5 319.2 0.16 48 300 8950 -47.3 -49.7 76 2.4 -47.4 225 127 318.7 318.7 288.5 319.2 0.14 49 293 9105 -48.7 -52.8 62 4.1 -48.8 225 127 318.9 318.9 288.5 319.2 0.10 50 286 9263 -50.1 -52.6 75 2.5 -50.2 226 127 319.1 319.1 288.6 319.5 0.10 51 268 9684 -52.8 -59.2 46 6.3 -52.9 230 128 321.1 321.1 289.1 321.3 0.05 52 265 9757 -53.3 -60.3 42 7.0 -53.4 230 128 321.4 321.4 289.2 321.6 0.04 53 256 9978 -54.9 -61.9 42 7.0 -55.0 230 125 322.3 322.3 289.5 322.4 0.04 54 250 10130 -53.1 -65.1 22 12.0 -53.3 235 122 327.1 327.1 290.9 327.2 0.02 55 247 10208 -52.5 -66.5 17 14.0 -52.8 235 122 329.1 329.2 291.5 329.2 0.02 56 236 10501 -54.1 -71.1 11 17.0 -54.4 237 115 331.0 331.0 292.0 331.1 0.01 57 200 11560 -54.5 -76.5 5 22.0 -54.8 240 107 346.5 346.5 295.8 346.5 0.01 58 150 13420 -51.9 -75.9 4 24.0 -52.4 255 79 380.6 380.6 302.3 380.7 0.01 59 100 16020 -57.9 -78.9 5 21.0 -58.3 250 60 415.9 415.9 307.2 415.9 0.01 60 70 18250 -63.1 -85.1 4 22.0 -63.4 265 50 449.4 449.4 310.8 449.4 0.00 61 50 20290 -66.5 -86.5 4 20.0 -66.7 280 62 486.8 486.8 314.0 486.8 0.00 62 30 23360 -71.7 -90.7 4 19.0 -71.9 290 57 549.2 549.2 318.1 549.2 0.00 63 20 25760 -71.7 -90.7 4 19.0 -72.0 285 63 616.7 616.7 321.3 616.7 0.01 64 10 29930 -57.7 -85.7 2 28.0 -60.6 280 84 804.2 804.2 327.4 804.4 0.03 TRP 256 9978 -54.9 -61.9 42 7.0 -55.0 230 125 322.3 322.3 289.5 322.4 0.04 WND 268 9684 -52.8 -59.2 46 6.3 -52.9 230 128 321.1 321.1 289.1 321.3 0.05 Sounding variables and indices 1000-500 mb thick: 5369.00 m Freezing level: 925.00 mb = 651.00 m = 2135.80 ft Wetbulb zero: 924.66 mb = 653.95 m = 2145.46 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 85.84 % Est. max temperature: 8.07 C = 46.52 F Sfc-Lift cond lev (LCL): 964.80 mb = 311.59 m = 1022.27 ft T: 2.52 C 700-500 lapse rate: 7.08 C/km ThetaE index: 2.61 C Layer 735.0- 700.0 mb Conv cond level (CCL): 929.12 mb = 615.15 m = 2018.19 ft Mean mixing ratio: 4.20 g/kg Conv temperature: 5.19 C = 41.35 F Cap Strength: 11.60 C Lifted Index: 11.42 C Risk: None Lifted Index @300 mb: 19.89 C Lifted Index @700 mb: 8.86 C Showalter Index: 11.31 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 20.00 C K Index: -3.30 Risk: None Sweat Index: 183.00 Risk: None Energy Index: 3.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.72 J/kg Max Up Vert Vel: 4.18 m/s Conv Inhibition (B-): 63275.30 J/kg Cap Strength: 11.52 C Lift Cond Lev (LCL): 930.62 mb = 602.22 m = 1975.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 50 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 ---------------------------------------------------------- 0 989 112 245 10 9.1 4.2 | 94 41 -40.8 2.5 1 966 305 250 25 23.5 8.6 | 105 27 -26.3 6.8 2 930 610 260 40 39.4 6.9 | 117 12 -10.4 5.2 3 925 651 260 40 39.4 6.9 | 117 12 -10.4 5.2 4 895 914 260 46 45.3 8.0 | 144 8 -4.5 6.3 5 861 1219 265 46 45.8 4.0 | 120 5 -4.0 2.3 6 850 1324 260 46 45.3 8.0 | 144 8 -4.5 6.3 7 829 1524 260 55 54.2 9.6 | 209 9 4.3 7.8 8 797 1829 250 49 46.0 16.8 | 166 15 -3.8 15.0 9 767 2134 255 52 50.2 13.5 | 182 12 0.4 11.7 10 737 2438 250 62 58.3 21.2 | 203 21 8.4 19.5 11 709 2743 245 63 57.1 26.6 | 196 26 7.3 24.9 12 700 2846 245 69 62.5 29.2 | 205 30 12.7 27.4 13 655 3353 235 83 68.0 47.6 | 202 49 18.2 45.9 14 629 3658 235 77 63.1 44.2 | 197 44 13.3 42.4 15 580 4267 230 74 56.7 47.6 | 189 46 6.9 45.8 16 535 4877 225 72 50.9 50.9 | 181 49 1.1 49.2 17 500 5390 225 91 64.3 64.3 | 193 64 14.5 62.6 18 453 6096 230 103 78.9 66.2 | 204 71 29.1 64.5 19 416 6706 230 112 85.8 72.0 | 207 79 36.0 70.3 20 400 6990 230 114 87.3 73.3 | 208 81 37.5 71.5 21 365 7620 230 116 88.9 74.6 | 208 83 39.0 72.8 22 300 8950 225 127 89.8 89.8 | 204 97 40.0 88.1 23 291 9144 225 127 89.8 89.8 | 204 97 40.0 88.1 24 268 9684 230 128 98.1 82.3 | 211 94 48.2 80.5 25 265 9754 230 128 98.1 82.3 | 211 94 48.2 80.5 26 256 9978 230 125 95.8 80.3 | 210 91 45.9 78.6 27 250 10130 235 122 99.9 70.0 | 216 85 50.1 68.2 28 241 10363 235 123 100.8 70.5 | 217 86 50.9 68.8 29 230 10668 240 106 91.8 53.0 | 219 66 42.0 51.3 30 219 10973 230 82 62.8 52.7 | 194 53 13.0 51.0 31 200 11560 240 107 92.7 53.5 | 220 67 42.8 51.8 32 190 11887 240 108 93.5 54.0 | 220 68 43.7 52.3 33 157 13106 245 70 63.4 29.6 | 206 31 13.6 27.9 34 150 13420 255 79 76.3 20.4 | 235 32 26.5 18.7 35 137 14021 255 85 82.1 22.0 | 238 38 32.3 20.3 36 124 14630 240 72 62.4 36.0 | 200 36 12.5 34.3 37 113 15240 265 66 65.7 5.8 | 256 16 15.9 4.0 38 103 15850 255 49 47.3 12.7 | 167 11 -2.5 11.0 39 100 16020 250 60 56.4 20.5 | 199 20 6.6 18.8 40 98 16154 250 60 56.4 20.5 | 199 20 6.6 18.8 41 81 17374 260 69 68.0 12.0 | 241 21 18.1 10.3 42 73 17983 260 49 48.3 8.5 | 167 7 -1.6 6.8 43 70 18250 265 50 49.8 4.4 | 180 3 -0.0 2.6 44 70 18288 255 53 51.2 13.7 | 187 12 1.4 12.0 45 66 18593 270 48 48.0 -0.0 | 46 3 -1.8 -1.7 46 57 19507 260 46 45.3 8.0 | 144 8 -4.5 6.3 47 50 20290 280 62 61.1 -10.8 | 318 17 11.2 -12.5 48 49 20422 270 68 68.0 -0.0 | 275 18 18.2 -1.7 49 44 21031 270 54 54.0 -0.0 | 293 5 4.2 -1.7 50 42 21336 270 59 59.0 -0.0 | 281 9 9.2 -1.7 51 40 21641 285 64 61.8 -16.6 | 327 22 12.0 -18.3 52 36 22250 295 46 41.7 -19.4 | 21 23 -8.1 -21.2 53 30 23360 290 57 53.6 -19.5 | 350 22 3.7 -21.2 54 27 24079 290 64 60.1 -21.9 | 336 26 10.3 -23.6 55 22 25298 290 43 40.4 -14.7 | 30 19 -9.4 -16.4 56 20 25760 285 63 60.9 -16.3 | 329 21 11.0 -18.0 57 18 26518 290 70 65.8 -23.9 | 328 30 16.0 -25.7 58 15 27432 285 75 72.4 -19.4 | 313 31 22.6 -21.1 59 10 29870 285 89 86.0 -23.0 | 304 44 36.1 -24.8 60 10 29930 280 84 82.7 -14.6 | 296 37 32.9 -16.3 Wind Parameters Mean winds (0-6000m): 238.0 at 66.5 knts Storm direction: 268.0 at 49.9 knts Shear (0-3000m) pos: 6.3 neg: 6.6 tot: 12.9 10-3/s Storm rel Dir Shear (0-3000m): 110.2 deg Storm rel helicity (0-3000m) pos: 170.4 neg: -47.6 tot: 122.8 m^2/s^2 ave: 40.9 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 17.0 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 227.54 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 ------------------------------------------------------------------------------- 500 254 27 103 25| 31.3 0.0 31.3| 78.2 0.0 78.2 156.3 0.34| 32.0 10.8 1000 258 35 110 16| 18.8 0.0 18.8| 89.1 -2.4 86.7 86.7 0.34| 20.4 7.0 1500 259 40 118 12| 12.6 3.1 15.6|107.9 -9.6 98.3 65.6 0.37| 19.2 7.1 2000 258 43 133 11| 9.4 2.4 11.8|118.9 -26.9 92.0 46.0 0.27| 17.4 4.8 2500 256 46 151 11| 7.5 4.6 12.1|141.7 -34.9 106.8 42.7 0.28| 16.8 4.7 3000 253 50 170 13| 6.3 6.6 12.9|170.4 -47.6 122.8 40.9 0.25| 17.0 4.3 4000 247 57 187 21| 4.7 5.6 10.3|170.4-172.7 -2.3 -0.6 0.12| 15.2 1.9 5000 242 61 187 27| 3.8 5.4 9.2|240.3-262.1 -21.8 -4.4 0.09| 13.9 1.3 6000 238 66 191 34| 5.1 4.5 9.6|570.1-262.1 307.9 51.3 0.20| 13.7 2.7 Wrote GIF file: /home/apache/climate/data/raob//CAYT/skewt/CAYT.skewt.20251218.12.gif