UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for CAYT... Searching the city database file for: CAYT ... Date:0000Z 25 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 ------------------------------------------------------------------------------- SFC 1005 112 -6.1 -7.8 88 1.7 -6.6 5 1 266.7 267.0 266.3 272.4 2.11 1 1000 152 -5.9 -7.7 87 1.8 -6.4 55 2 267.2 267.6 266.7 273.0 2.14 2 942 617 -9.3 -9.4 99 0.1 -9.4 109 12 268.4 268.7 267.3 273.8 1.99 3 937 659 -7.7 -11.9 72 4.2 -8.8 103 15 270.4 270.7 268.0 275.0 1.64 4 935 675 -7.5 -11.2 75 3.7 -8.5 101 16 270.8 271.1 268.4 275.6 1.73 5 925 759 -7.7 -11.4 75 3.7 -8.7 90 20 271.4 271.7 268.8 276.2 1.73 6 914 852 -7.9 -12.9 67 5.0 -9.2 93 24 272.2 272.4 269.0 276.5 1.55 7 905 929 -7.9 -9.9 86 2.0 -8.5 96 26 272.9 273.3 270.2 278.5 1.99 8 881 1137 -8.7 -18.7 44 10.0 -10.9 106 24 274.2 274.4 269.3 277.1 0.99 9 873 1208 -9.1 -24.1 28 15.0 -12.0 109 23 274.5 274.6 268.9 276.4 0.62 10 851 1405 -10.5 -27.5 23 17.0 -13.4 110 23 275.1 275.1 269.0 276.5 0.47 11 850 1414 -10.5 -27.5 23 17.0 -13.4 110 23 275.1 275.2 269.0 276.6 0.47 12 827 1624 -12.1 -19.1 56 7.0 -13.6 115 27 275.6 275.8 270.3 278.6 1.02 13 808 1802 -13.5 -22.5 47 9.0 -15.2 124 28 276.0 276.1 270.1 278.3 0.78 14 777 2099 -13.7 -41.7 7 28.0 -16.9 151 18 278.9 278.9 270.7 279.3 0.13 15 757 2297 -14.3 -45.3 5 31.0 -17.4 158 13 280.3 280.3 271.5 280.6 0.09 16 739 2479 -14.9 -47.9 4 33.0 -18.0 162 10 281.6 281.6 272.2 281.8 0.07 17 736 2510 -14.9 -47.9 4 33.0 -18.0 163 10 281.9 281.9 272.4 282.1 0.07 18 700 2887 -17.7 -43.7 8 26.0 -20.3 185 7 282.9 282.9 273.1 283.3 0.11 19 639 3564 -21.7 -47.7 8 26.0 -23.8 156 6 285.8 285.8 274.6 286.1 0.08 20 595 4089 -22.7 -50.7 6 28.0 -24.8 218 11 290.5 290.6 277.0 290.8 0.06 21 559 4545 -25.7 -55.7 4 30.0 -27.5 262 14 292.2 292.2 277.8 292.4 0.04 22 531 4917 -25.9 -54.9 5 29.0 -27.8 269 31 296.3 296.3 279.8 296.5 0.04 23 500 5350 -29.7 -47.7 16 18.0 -30.9 260 37 296.8 296.8 280.1 297.2 0.10 24 495 5421 -30.3 -48.3 16 18.0 -31.5 259 38 296.9 297.0 280.1 297.3 0.10 25 486 5551 -31.1 -42.1 33 11.0 -32.0 257 41 297.5 297.6 280.6 298.2 0.19 26 484 5580 -31.5 -38.5 50 7.0 -32.1 257 42 297.4 297.4 280.6 298.3 0.28 27 478 5668 -32.3 -41.3 40 9.0 -33.0 256 44 297.5 297.5 280.6 298.2 0.21 28 477 5683 -32.5 -36.7 66 4.2 -32.9 256 44 297.4 297.5 280.7 298.6 0.35 29 452 6059 -34.7 -37.8 73 3.1 -35.0 251 52 299.2 299.3 281.5 300.4 0.33 30 428 6437 -37.1 -40.5 71 3.4 -37.4 242 62 300.9 300.9 282.1 301.8 0.26 31 423 6518 -37.5 -43.5 53 6.0 -37.9 240 64 301.4 301.4 282.2 302.1 0.19 32 400 6900 -40.9 -45.2 63 4.3 -41.1 230 75 301.8 301.9 282.4 302.4 0.17 33 392 7037 -42.1 -45.4 70 3.3 -42.3 230 80 302.0 302.0 282.4 302.6 0.17 34 372 7390 -43.5 -48.1 60 4.6 -43.7 224 97 304.7 304.7 283.5 305.2 0.13 35 328 8224 -50.5 -55.5 55 5.0 -50.6 222 101 306.3 306.3 284.0 306.5 0.06 36 300 8800 -55.1 -58.6 65 3.5 -55.2 225 100 307.7 307.7 284.5 307.9 0.05 37 296 8885 -55.7 -59.1 66 3.4 -55.8 225 99 308.0 308.0 284.7 308.2 0.04 38 261 9674 -61.7 -66.7 52 5.0 -61.7 230 102 310.5 310.5 285.5 310.5 0.02 39 260 9698 -61.9 -66.9 51 5.0 -61.9 230 101 310.5 310.5 285.5 310.6 0.02 40 252 9891 -62.1 -70.1 34 8.0 -62.1 237 95 313.0 313.0 286.4 313.1 0.01 41 250 9940 -60.7 -69.7 30 9.0 -60.8 240 93 315.8 315.8 287.4 315.9 0.01 42 245 10066 -61.1 -69.1 34 8.0 -61.2 242 88 317.1 317.1 287.8 317.1 0.01 43 232 10403 -62.3 -71.3 29 9.0 -62.4 246 76 320.2 320.2 288.8 320.3 0.01 44 230 10457 -62.3 -73.3 22 11.0 -62.4 247 74 321.0 321.0 289.0 321.0 0.01 45 224 10621 -58.9 -83.9 3 25.0 -59.0 249 67 328.7 328.7 291.3 328.7 0.00 46 206 11151 -55.1 -80.1 3 25.0 -55.4 239 52 342.6 342.6 295.0 342.6 0.00 47 200 11340 -55.5 -80.5 3 25.0 -55.8 235 47 344.9 344.9 295.5 344.9 0.00 48 184 11870 -56.3 -82.3 2 26.0 -56.6 237 48 351.9 351.9 297.0 351.9 0.00 49 169 12414 -53.7 -81.7 2 28.0 -54.1 232 52 364.9 364.9 299.7 364.9 0.00 50 163 12646 -53.5 -82.5 2 29.0 -53.9 230 54 369.0 369.0 300.4 369.0 0.00 51 150 13180 -53.9 -82.9 2 29.0 -54.3 225 59 377.2 377.2 301.8 377.2 0.00 52 142 13530 -55.3 -83.3 2 28.0 -55.7 228 59 380.7 380.7 302.3 380.7 0.00 53 116 14828 -51.3 -82.3 1 31.0 -52.0 242 60 410.8 410.8 306.6 410.8 0.00 54 104 15536 -51.3 -82.3 1 31.0 -52.1 237 53 423.8 423.8 308.2 423.8 0.00 55 100 15790 -51.3 -83.3 1 32.0 -52.1 235 49 428.6 428.6 308.7 428.6 0.00 56 91 16403 -52.1 -83.1 1 31.0 -52.9 235 47 438.7 438.7 309.7 438.8 0.00 57 72 17894 -60.1 -87.1 2 27.0 -60.5 222 58 452.2 452.2 311.1 452.2 0.00 58 70 18070 -59.5 -86.5 2 27.0 -59.9 230 74 457.1 457.1 311.5 457.1 0.00 59 65 18537 -55.9 -85.9 1 30.0 -56.6 234 69 474.8 474.8 313.0 474.8 0.00 60 57 19368 -58.1 -86.1 2 28.0 -58.7 245 61 487.9 487.9 314.1 488.0 0.00 61 54 19710 -55.1 -86.1 1 31.0 -56.1 245 70 502.4 502.4 315.1 502.5 0.00 62 50 20200 -56.3 -86.3 1 30.0 -57.2 215 53 510.8 510.8 315.7 510.8 0.00 63 35 22413 -65.1 -90.1 2 25.0 -65.5 224 60 542.7 542.7 317.7 542.7 0.00 64 30 23360 -60.7 -88.7 1 28.0 -61.6 235 65 579.2 579.2 319.6 579.2 0.00 65 29 23572 -59.7 -88.7 1 29.0 -60.7 232 66 587.6 587.6 320.0 587.6 0.01 66 24 24751 -61.7 -88.7 2 27.0 -62.6 224 65 614.4 614.4 321.3 614.5 0.01 67 21 25585 -58.9 -87.9 1 29.0 -60.3 244 72 646.8 646.8 322.6 646.8 0.01 68 20 25890 -60.5 -88.5 1 28.0 -61.7 230 81 651.0 651.0 322.7 651.0 0.01 69 17 26901 -58.5 -87.5 1 29.0 -60.3 237 82 688.4 688.4 324.0 688.4 0.01 70 16 27277 -62.1 -89.1 2 27.0 -63.4 240 81 688.7 688.7 324.1 688.7 0.01 71 15 27676 -59.7 -88.7 1 29.0 -61.4 239 75 709.5 709.5 324.7 709.5 0.01 72 10 30180 -63.1 -90.1 1 27.0 -64.8 255 103 784.0 784.0 326.8 784.1 0.01 73 8.9 30901 -60.9 -88.9 1 28.0 -63.2 819.1 819.1 327.7 819.2 0.02 74 7.7 31797 -62.9 -89.9 1 27.0 -65.0 845.7 845.7 328.3 845.8 0.02 75 6.8 32574 -56.5 -87.5 1 31.0 -60.7 902.9 903.0 329.5 903.2 0.03 TRP 260 9698 -61.9 -66.9 51 5.0 -61.9 230 101 310.5 310.5 285.5 310.6 0.02 WND 261 9674 -61.7 -66.7 52 5.0 -61.7 230 102 310.5 310.5 285.5 310.5 0.02 Sounding variables and indices 1000-500 mb thick: 5198.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 25.95 % Est. max temperature: 2.20 C = 35.95 F Sfc-Lift cond lev (LCL): 978.12 mb = 324.32 m = 1064.02 ft T: -7.16 C 700-500 lapse rate: 4.87 C/km ThetaE index: 2.10 C Layer 881.0- 851.0 mb Conv cond level (CCL): 839.76 mb = 1506.96 m = 4944.03 ft Mean mixing ratio: 1.93 g/kg Conv temperature: 2.61 C = 36.69 F Cap Strength: 18.61 C Lifted Index: 18.62 C Risk: None Lifted Index @300 mb: 23.57 C Lifted Index @700 mb: 9.23 C Showalter Index: 16.92 C Risk: None Total Totals Index: 21.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 2.20 C K Index: -34.30 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 4.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.04 J/kg Max Up Vert Vel: 7.22 m/s Conv Inhibition (B-): 66320.59 J/kg Cap Strength: 18.64 C Lift Cond Lev (LCL): 923.89 mb = 768.36 m = 2520.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 243 at 15 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 1005 112 5 1 -0.1 -1.0 | 60 16 -13.5 -8.0 1 1000 152 55 2 -1.6 -1.1 | 62 17 -15.1 -8.1 2 981 305 120 8 -6.9 4.0 | 82 21 -20.4 -3.0 3 943 610 110 12 -11.3 4.1 | 83 25 -24.7 -2.9 4 925 759 90 20 -20.0 0.0 | 78 34 -33.4 -7.0 5 907 914 95 26 -25.9 2.3 | 83 40 -39.3 -4.7 6 872 1219 110 23 -21.6 7.9 | 91 35 -35.1 0.9 7 850 1414 110 23 -21.6 7.9 | 91 35 -35.1 0.9 8 838 1524 110 27 -25.4 9.2 | 93 39 -38.8 2.3 9 805 1829 125 28 -22.9 16.1 | 104 37 -36.4 9.1 10 773 2134 155 17 -7.2 15.4 | 112 22 -20.6 8.4 11 743 2438 160 10 -3.4 9.4 | 98 17 -16.9 2.4 12 713 2743 175 8 -0.7 8.0 | 94 14 -14.1 1.0 13 700 2887 185 7 0.6 7.0 | 90 13 -12.8 0.0 14 685 3048 135 6 -4.2 4.2 | 81 18 -17.7 -2.7 15 630 3658 160 6 -2.1 5.6 | 85 16 -15.5 -1.3 16 580 4267 245 13 11.8 5.5 | 48 2 -1.7 -1.5 17 556 4572 265 14 13.9 1.2 | 355 6 0.5 -5.7 18 533 4877 270 31 31.0 -0.0 | 292 19 17.6 -7.0 19 500 5350 260 37 36.4 6.4 | 271 23 23.0 -0.5 20 449 6096 250 53 49.8 18.1 | 253 38 36.4 11.2 21 400 6900 230 75 57.5 48.2 | 227 60 44.0 41.2 22 393 7010 230 78 59.8 50.1 | 227 63 46.3 43.2 23 376 7315 225 98 69.3 69.3 | 222 84 55.9 62.3 24 359 7620 220 95 61.1 72.8 | 216 81 47.6 65.8 25 343 7925 220 101 64.9 77.4 | 216 87 51.5 70.4 26 300 8800 225 100 70.7 70.7 | 222 86 57.3 63.7 27 284 9144 225 97 68.6 68.6 | 222 83 55.1 61.6 28 261 9674 230 102 78.1 65.6 | 228 87 64.7 58.6 29 260 9698 230 101 77.4 64.9 | 228 86 63.9 58.0 30 258 9754 230 102 78.1 65.6 | 228 87 64.7 58.6 31 250 9940 240 93 80.5 46.5 | 239 78 67.1 39.5 32 223 10668 250 66 62.0 22.6 | 252 51 48.6 15.6 33 200 11340 235 47 38.5 27.0 | 231 32 25.1 20.0 34 193 11582 240 45 39.0 22.5 | 239 30 25.5 15.5 35 150 13180 225 59 41.7 41.7 | 219 45 28.3 34.8 36 145 13411 225 59 41.7 41.7 | 219 45 28.3 34.8 37 126 14326 245 62 56.2 26.2 | 246 47 42.7 19.2 38 109 15240 240 58 50.2 29.0 | 239 43 36.8 22.0 39 100 15790 235 49 40.1 28.1 | 232 34 26.7 21.1 40 94 16154 235 49 40.1 28.1 | 232 34 26.7 21.1 41 82 17069 235 43 35.2 24.7 | 231 28 21.8 17.7 42 71 17983 220 60 38.6 46.0 | 213 46 25.1 39.0 43 70 18070 230 74 56.7 47.6 | 227 59 43.2 40.6 44 68 18288 230 74 56.7 47.6 | 227 59 43.2 40.6 45 59 19202 245 56 50.8 23.7 | 246 41 37.3 16.7 46 53 19812 245 73 66.2 30.9 | 246 58 52.7 23.9 47 51 20117 225 50 35.4 35.4 | 218 36 21.9 28.4 48 50 20200 215 53 30.4 43.4 | 205 40 17.0 36.5 49 48 20422 215 52 29.8 42.6 | 205 39 16.4 35.6 50 42 21336 215 56 32.1 45.9 | 206 43 18.7 38.9 51 40 21641 210 64 32.0 55.4 | 201 52 18.6 48.5 52 38 21946 220 70 45.0 53.6 | 214 56 31.6 46.7 53 34 22555 225 57 40.3 40.3 | 219 43 26.9 33.3 54 33 22860 240 72 62.4 36.0 | 239 57 48.9 29.0 55 30 23360 235 65 53.2 37.3 | 233 50 39.8 30.3 56 25 24384 220 69 44.4 52.9 | 214 55 30.9 45.9 57 22 25298 230 60 46.0 38.6 | 226 45 32.5 31.6 58 21 25603 245 73 66.2 30.9 | 246 58 52.7 23.9 59 20 25890 230 81 62.0 52.1 | 227 66 48.6 45.1 60 19 26213 230 80 61.3 51.4 | 227 65 47.8 44.5 61 16 27127 240 83 71.9 41.5 | 239 68 58.4 34.5 62 16 27432 240 78 67.5 39.0 | 239 63 54.1 32.0 63 13 28346 235 65 53.2 37.3 | 233 50 39.8 30.3 64 11 29566 250 90 84.6 30.8 | 251 75 71.1 23.8 65 10 30180 255 103 99.5 26.7 | 257 88 86.0 19.7 Wind Parameters Mean winds (0-6000m): 212.6 at 20.2 knts Storm direction: 242.6 at 15.1 knts Shear (0-3000m) pos: 2.2 neg: 2.5 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 22.2 deg Storm rel helicity (0-3000m) pos: 239.1 neg: -55.6 tot: 183.5 m^2/s^2 ave: 61.2 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 13.6 stream: 3.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.37 Bulk Shear: 69.57 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 ------------------------------------------------------------------------------- 500 112 8 79 21| 12.8 0.0 12.8| 41.2 0.0 41.2 82.4 0.57| 14.5 8.3 1000 101 15 81 28| 6.4 6.2 12.6| 99.6 -13.8 85.8 85.8 0.36| 17.5 6.2 1500 105 18 86 31| 5.7 4.1 9.8|148.8 -13.8 135.0 90.0 0.41| 14.5 5.9 2000 112 20 91 32| 3.9 3.1 7.0|239.1 -13.8 225.4 112.7 0.43| 16.0 6.9 2500 118 18 93 30| 2.6 2.5 5.1|239.1 -40.3 198.9 79.5 0.30| 14.8 4.4 3000 122 16 93 27| 2.2 2.5 4.6|239.1 -55.6 183.5 61.2 0.22| 13.6 3.0 4000 127 14 94 25| 3.2 1.8 5.0|256.6 -55.7 200.9 50.2 0.24| 11.9 2.9 5000 151 15 107 22| 3.2 0.4 3.5|256.6-102.3 154.2 30.8 0.03| 12.7 0.3 6000 213 20 166 10| 2.6 2.1 4.8|256.6-205.4 51.2 8.5 -0.07| 12.5 -0.9 Wrote GIF file: /home/apache/climate/data/raob//CAYT/skewt/CAYT.skewt.20251225.00.gif