UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121700.upa.cvt Date: 0000Z 17 DEC 25 Searching for CAYT... Searching the city database file for: CAYT ... Date:0000Z 17 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 74 280 9 SFC 995 112 -2.9 -8.9 63 6.0 -4.8 280 9 270.6 271.0 268.7 276.0 1.96 2 925 685 -8.5 -11.3 80 2.8 -9.3 285 28 270.6 270.9 268.3 275.4 1.74 3 850 1334 -14.5 -15.6 91 1.1 -14.7 285 30 271.0 271.2 267.8 274.7 1.33 4 837 1450 -15.7 -16.1 97 0.4 -15.8 287 30 270.9 271.1 267.7 274.5 1.30 5 817 1632 -16.9 -16.9 100 0.0 -16.9 291 31 271.5 271.7 268.0 275.0 1.24 6 792 1864 -18.9 -19.1 98 0.2 -18.9 294 32 271.8 272.0 267.9 274.8 1.06 7 781 1968 -18.9 -24.9 59 6.0 -19.8 293 34 272.9 273.0 267.9 274.8 0.65 8 777 2007 -18.5 -30.5 34 12.0 -20.1 292 34 273.7 273.8 268.0 274.9 0.39 9 750 2270 -19.3 -28.3 45 9.0 -20.5 286 37 275.6 275.7 269.4 277.1 0.49 10 734 2430 -19.3 -40.3 14 21.0 -21.4 280 38 277.3 277.4 269.8 277.8 0.16 11 733 2440 -19.3 -39.3 15 20.0 -21.3 280 38 277.4 277.5 269.9 278.0 0.17 12 700 2781 -21.3 -32.3 36 11.0 -22.7 275 34 278.9 279.0 271.1 280.0 0.36 13 649 3335 -25.5 -29.1 72 3.6 -25.9 272 41 280.2 280.3 272.2 281.9 0.53 14 588 4047 -29.5 -32.8 73 3.3 -29.9 267 48 283.6 283.7 273.9 284.9 0.41 15 580 4145 -30.1 -34.6 65 4.5 -30.5 266 49 284.0 284.1 274.1 285.1 0.35 16 577 4182 -30.1 -41.1 33 11.0 -30.9 266 49 284.4 284.5 274.0 285.0 0.18 17 574 4219 -30.3 -43.3 27 13.0 -31.2 266 50 284.6 284.7 274.0 285.1 0.14 18 561 4382 -31.5 -46.5 21 15.0 -32.4 265 50 285.1 285.1 274.2 285.4 0.10 19 553 4483 -32.1 -39.1 50 7.0 -32.6 265 49 285.6 285.6 274.7 286.3 0.23 20 550 4522 -32.5 -42.5 36 10.0 -33.1 265 49 285.5 285.6 274.6 286.1 0.16 21 537 4690 -33.3 -36.0 77 2.7 -33.6 265 49 286.5 286.6 275.4 287.6 0.33 22 528 4809 -33.9 -37.2 72 3.3 -34.1 265 48 287.2 287.2 275.7 288.2 0.30 23 521 4903 -33.9 -37.1 73 3.2 -34.1 265 48 288.3 288.3 276.3 289.3 0.30 24 509 5066 -35.3 -38.0 76 2.7 -35.5 262 49 288.5 288.6 276.4 289.5 0.28 25 500 5190 -36.3 -40.2 67 3.9 -36.5 260 50 288.8 288.8 276.4 289.5 0.23 26 483 5427 -38.5 -42.0 69 3.5 -38.7 258 50 288.9 289.0 276.5 289.6 0.20 27 480 5470 -38.9 -44.9 53 6.0 -39.2 258 50 289.0 289.0 276.4 289.5 0.15 28 444 5996 -43.7 -44.7 90 1.0 -43.7 255 49 289.4 289.5 276.6 290.0 0.16 29 438 6087 -44.5 -45.9 86 1.4 -44.6 255 49 289.5 289.6 276.7 290.0 0.14 30 437 6102 -44.5 -46.8 78 2.3 -44.6 255 49 289.7 289.8 276.7 290.2 0.13 31 436 6118 -44.3 -55.3 28 11.0 -44.6 255 49 290.2 290.2 276.8 290.3 0.05 32 434 6148 -44.1 -64.1 9 20.0 -44.5 256 49 290.8 290.8 277.1 290.9 0.02 33 426 6272 -44.7 -59.7 17 15.0 -45.0 258 51 291.6 291.6 277.5 291.7 0.03 34 400 6690 -46.5 -63.5 13 17.0 -46.8 265 55 294.6 294.6 278.9 294.6 0.02 35 329 7984 -49.1 -70.1 7 21.0 -49.4 275 55 307.9 307.9 284.5 307.9 0.01 36 300 8590 -49.7 -75.7 3 26.0 -50.0 275 56 315.3 315.3 287.2 315.3 0.00 37 250 9780 -51.1 -77.1 3 26.0 -51.4 270 65 330.1 330.1 291.7 330.1 0.00 38 245 9911 -51.5 -77.5 3 26.0 -51.8 270 66 331.4 331.4 292.1 331.4 0.00 39 241 10019 -50.5 -77.5 3 27.0 -50.9 270 66 334.5 334.5 292.9 334.5 0.00 40 217 10701 -52.5 -79.5 2 27.0 -52.8 279 61 341.6 341.6 294.7 341.6 0.00 41 202 11165 -51.5 -80.5 2 29.0 -51.9 271 58 350.2 350.2 296.7 350.2 0.00 42 200 11230 -51.7 -80.7 2 29.0 -52.1 270 58 350.9 350.9 296.8 350.9 0.00 43 173 12163 -53.9 -81.9 2 28.0 -54.2 270 74 362.1 362.1 299.1 362.1 0.00 44 172 12201 -53.8 -81.9 2 28.1 -54.2 270 75 362.8 362.8 299.2 362.8 0.00 45 156 12828 -52.7 -82.7 1 30.0 -53.2 270 65 375.0 375.0 301.4 375.1 0.00 46 150 13080 -53.5 -82.5 2 29.0 -53.9 270 57 377.9 377.9 301.9 377.9 0.00 47 134 13798 -56.9 -83.9 2 27.0 -57.2 262 59 384.2 384.2 302.9 384.3 0.00 48 132 13893 -56.5 -83.5 2 27.0 -56.8 261 60 386.6 386.6 303.3 386.6 0.00 49 100 15640 -59.3 -86.3 2 27.0 -59.6 260 73 413.2 413.2 306.9 413.2 0.00 50 75 17433 -62.7 -87.7 2 25.0 -63.0 247 81 441.4 441.5 310.0 441.5 0.00 51 70 17860 -62.1 -87.1 2 25.0 -62.4 245 83 451.5 451.5 311.0 451.5 0.00 52 60 18807 -63.3 -88.3 2 25.0 -63.6 250 91 469.2 469.2 312.5 469.2 0.00 53 60 18807 -62.9 -87.9 2 25.0 -63.3 250 91 470.1 470.1 312.7 470.1 0.00 54 50 19920 -65.7 -89.7 2 24.0 -66.0 250 99 488.7 488.7 314.1 488.7 0.00 55 48 20167 -66.9 -89.9 3 23.0 -67.1 250 100 491.5 491.5 314.4 491.6 0.00 56 44 20695 -63.9 -88.9 2 25.0 -64.3 247 96 511.3 511.3 315.7 511.3 0.00 57 30 23000 -70.5 -91.5 3 21.0 -70.8 250 109 552.4 552.4 318.2 552.5 0.00 58 27 23625 -71.7 -92.7 3 21.0 -71.9 249 110 566.0 566.0 318.9 566.0 0.00 59 20 25420 -66.7 -91.7 2 25.0 -67.3 240 127 632.0 632.0 322.0 632.0 0.00 60 17 26403 -67.3 -92.3 2 25.0 -67.9 244 132 660.1 660.2 323.0 660.2 0.00 61 16 26773 -63.1 -91.1 1 28.0 -64.2 245 134 685.4 685.4 324.0 685.4 0.01 62 15 27171 -62.5 -90.5 1 28.0 -63.8 245 129 700.2 700.2 324.4 700.2 0.01 63 12 28528 -69.1 -93.1 2 24.0 -69.8 242 142 722.9 722.9 325.1 723.0 0.01 64 10 29630 -64.9 -91.9 1 27.0 -66.2 240 152 777.3 777.3 326.7 777.4 0.01 65 9.4 30010 -62.3 -90.3 1 28.0 -64.2 801.0 801.1 327.3 801.1 0.01 66 8.3 30777 -63.1 -91.1 1 28.0 -65.0 826.9 826.9 327.9 827.0 0.01 67 7.8 31162 -60.3 -91.3 1 31.0 -63.0 853.0 853.0 328.5 853.1 0.01 68 7.7 31243 -56.3 -89.3 1 33.0 -60.2 872.2 872.2 328.8 872.4 0.02 69 7.2 31671 -54.7 -86.7 1 32.0 -59.4 895.7 895.7 329.4 896.0 0.03 70 6.7 32129 -57.3 -87.3 1 30.0 -61.3 903.4 903.4 329.5 903.7 0.03 71 6.5 32321 -56.7 -88.7 1 32.0 -61.0 913.8 913.8 329.7 914.0 0.02 72 6.2 32625 -49.3 -85.3 1 36.0 -56.9 957.9 958.0 330.5 958.4 0.04 73 6.1 32732 -49.9 -84.9 1 35.0 -57.2 959.8 959.8 330.5 960.3 0.05 TRP 329 7984 -49.1 -70.1 7 21.0 -49.4 275 55 307.9 307.9 284.5 307.9 0.01 WND 172 12201 -53.8 -81.9 2 28.1 -54.2 270 75 362.8 362.8 299.2 362.8 0.00 Sounding variables and indices 1000-500 mb thick: 5116.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 64.59 % Est. max temperature: -2.61 C = 27.31 F Sfc-Lift cond lev (LCL): 905.13 mb = 851.63 m = 2794.02 ft T: -10.04 C 700-500 lapse rate: 6.23 C/km ThetaE index: 1.48 C Layer 925.0- 817.0 mb Conv cond level (CCL): 886.62 mb = 1010.25 m = 3314.42 ft Mean mixing ratio: 1.79 g/kg Conv temperature: -2.73 C = 27.08 F Cap Strength: 10.97 C Lifted Index: 11.08 C Risk: None Lifted Index @300 mb: 28.15 C Lifted Index @700 mb: 4.75 C Showalter Index: 11.79 C Risk: None Total Totals Index: 42.50 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.70 C K Index: -4.80 Risk: None Sweat Index: 110.00 Risk: None Energy Index: 3.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.86 J/kg Max Up Vert Vel: 5.07 m/s Conv Inhibition (B-): 0.91 J/kg Cap Strength: 10.98 C Lift Cond Lev (LCL): 888.60 mb = 993.16 m = 3258.37 ft Lev Free Conv (LFC): 873.60 mb = 1123.83 m = 3687.06 ft Equ Level (EL): 783.60 mb = 1943.67 m = 6376.80 ft B at Equ Level: 11.97 J/kg Max Parcel Lev (MPL): 753.60 mb = 2234.17 m = 7329.87 ft Wind level data Storm motion: 301 at 30 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 ---------------------------------------------------------- 0 995 112 280 9 8.9 -1.6 | 129 22 -16.9 13.8 1 971 305 275 28 27.9 -2.4 | 189 13 2.1 12.9 2 934 610 280 28 27.6 -4.9 | 190 11 1.8 10.5 3 925 685 285 28 27.0 -7.2 | 189 8 1.2 8.1 4 898 914 280 28 27.6 -4.9 | 190 11 1.8 10.5 5 863 1219 280 30 29.5 -5.2 | 200 11 3.7 10.1 6 850 1334 285 30 29.0 -7.8 | 203 8 3.2 7.6 7 795 1829 295 31 28.1 -13.1 | 226 3 2.3 2.2 8 764 2134 290 37 34.8 -12.7 | 253 9 9.0 2.7 9 733 2438 280 38 37.4 -6.6 | 233 15 11.6 8.7 10 704 2743 280 36 35.5 -6.3 | 227 13 9.7 9.1 11 700 2781 275 34 33.9 -3.0 | 213 15 8.1 12.4 12 619 3658 270 46 46.0 -0.0 | 233 25 20.2 15.3 13 569 4267 265 50 49.8 4.4 | 231 31 24.0 19.7 14 522 4877 265 48 47.8 4.2 | 228 29 22.0 19.5 15 500 5190 260 50 49.2 8.7 | 224 34 23.4 24.0 16 457 5791 255 50 48.3 12.9 | 219 36 22.5 28.3 17 437 6096 255 49 47.3 12.7 | 218 35 21.5 28.0 18 400 6690 265 55 54.8 4.8 | 235 35 29.0 20.1 19 399 6706 265 55 54.8 4.8 | 235 35 29.0 20.1 20 348 7620 275 53 52.8 -4.6 | 248 29 27.0 10.7 21 329 7984 275 55 54.8 -4.8 | 250 31 29.0 10.5 22 317 8230 280 55 54.2 -9.6 | 258 29 28.4 5.8 23 300 8590 275 56 55.8 -4.9 | 251 32 30.0 10.4 24 276 9144 275 62 61.8 -5.4 | 255 37 36.0 9.9 25 250 9780 270 65 65.0 -0.0 | 249 42 39.2 15.3 26 229 10363 270 68 68.0 -0.0 | 250 45 42.2 15.3 27 218 10668 280 61 60.1 -10.6 | 262 35 34.3 4.7 28 200 11230 270 58 58.0 -0.0 | 245 36 32.2 15.3 29 189 11582 265 57 56.8 5.0 | 237 37 31.0 20.3 30 172 12201 270 75 75.0 -0.0 | 253 52 49.2 15.3 31 164 12497 270 75 75.0 -0.0 | 253 52 49.2 15.3 32 150 13080 270 57 57.0 -0.0 | 244 35 31.2 15.3 33 149 13106 265 54 53.8 4.7 | 234 34 28.0 20.0 34 107 15240 255 71 68.6 18.4 | 232 54 42.8 33.7 35 100 15640 260 73 71.9 12.7 | 239 54 46.1 28.0 36 97 15850 255 75 72.4 19.4 | 233 58 46.6 34.7 37 70 17860 245 83 75.2 35.1 | 224 71 49.4 50.4 38 65 18288 250 77 72.4 26.3 | 228 62 46.6 41.7 39 59 18898 250 93 87.4 31.8 | 233 78 61.6 47.1 40 51 19812 250 81 76.1 27.7 | 229 66 50.3 43.0 41 50 19920 250 99 93.0 33.9 | 234 83 67.2 49.2 42 48 20117 250 100 94.0 34.2 | 234 84 68.2 49.5 43 42 21031 245 93 84.3 39.3 | 227 80 58.5 54.6 44 40 21336 245 100 90.6 42.3 | 228 87 64.8 57.6 45 36 21946 240 108 93.5 54.0 | 224 97 67.7 69.3 46 32 22555 250 98 92.1 33.5 | 234 82 66.3 48.8 47 30 23000 250 109 102.4 37.3 | 236 93 76.6 52.6 48 29 23165 245 117 106.0 49.4 | 231 103 80.2 64.8 49 28 23470 250 108 101.5 36.9 | 235 92 75.7 52.3 50 20 25420 240 127 110.0 63.5 | 227 115 84.2 78.8 51 16 26822 245 134 121.4 56.6 | 233 120 95.6 72.0 52 14 27432 245 126 114.2 53.2 | 232 112 88.4 68.6 53 10 29566 240 157 136.0 78.5 | 230 145 110.2 93.8 54 10 29630 240 152 131.6 76.0 | 229 140 105.8 91.3 Wind Parameters Mean winds (0-6000m): 270.7 at 40.0 knts Storm direction: 300.7 at 30.0 knts Shear (0-3000m) pos: 3.5 neg: 2.4 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 94.7 deg Storm rel helicity (0-3000m) pos: 88.4 neg: -29.8 tot: 58.6 m^2/s^2 ave: 19.5 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.38 Bulk Shear: 34.11 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 ------------------------------------------------------------------------------- 500 277 24 172 12| 19.5 0.0 19.5| 63.4 0.0 63.4 126.8 0.75| 22.5 16.8 1000 280 26 181 11| 9.8 0.7 10.4| 67.3 -0.3 67.0 67.0 0.64| 14.1 9.1 1500 282 28 187 10| 7.0 0.4 7.5| 72.1 -0.3 71.8 47.9 0.59| 11.5 6.8 2000 285 29 195 8| 5.3 1.9 7.2| 76.5 -0.3 76.3 38.1 0.55| 10.8 6.0 2500 284 31 206 9| 4.2 2.0 6.3| 76.5 -15.9 60.7 24.3 0.37| 10.2 3.8 3000 283 32 211 10| 3.5 2.4 5.9| 88.4 -29.8 58.6 19.5 0.30| 10.0 3.0 4000 278 35 221 13| 2.6 3.3 5.9|107.0 -34.7 72.3 18.1 0.28| 9.1 2.6 5000 275 38 224 17| 2.1 2.9 5.0|107.0 -60.4 46.6 9.3 0.22| 7.9 1.7 6000 271 40 224 21| 1.8 2.6 4.4|108.1-102.1 6.0 1.0 0.15| 7.1 1.1 Wrote GIF file: /home/apache/climate/data/raob//CAYT/skewt/CAYT.skewt.20251217.00.gif