UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for CAYT... Searching the city database file for: CAYT ... Date:1200Z 30 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 -30 SFC 983 112 1.0 0.9 99 0.1 1.0 235 4 275.5 276.2 275.0 286.8 4.15 2 975 177 0.8 0.8 100 0.0 0.8 228 6 275.9 276.6 275.2 287.3 4.15 3 965 260 2.4 2.4 100 0.0 2.4 220 8 278.4 279.2 277.3 291.3 4.71 4 947 411 2.2 2.2 100 0.0 2.2 208 11 279.7 280.5 278.0 292.7 4.73 5 935 514 4.4 4.4 100 0.0 4.4 201 13 282.9 283.9 280.7 298.5 5.61 6 930 558 7.0 7.0 100 0.0 7.0 198 14 286.0 287.2 283.4 304.9 6.76 7 925 602 7.2 7.0 99 0.2 7.1 195 15 286.7 287.9 283.7 305.7 6.80 8 899 837 8.6 2.6 66 6.0 5.6 209 11 290.5 291.4 283.5 305.2 5.13 9 850 1298 4.8 1.7 80 3.1 3.3 200 9 291.2 292.1 283.7 305.9 5.09 10 830 1492 3.2 0.7 84 2.5 2.0 187 10 291.5 292.3 283.6 305.5 4.85 11 815 1639 2.6 -0.4 81 3.0 1.2 178 10 292.4 293.2 283.7 305.6 4.56 12 797 1820 2.4 -7.6 48 10.0 -1.6 166 11 294.0 294.5 282.3 302.1 2.71 13 793 1861 2.2 -4.8 60 7.0 -0.8 165 11 294.2 294.8 283.1 304.2 3.37 14 791 1881 2.0 -8.0 47 10.0 -1.9 164 11 294.2 294.7 282.3 302.2 2.64 15 786 1932 1.6 -3.0 71 4.6 -0.4 163 11 294.3 295.0 283.7 305.9 3.90 16 772 2077 0.4 -3.6 74 4.0 -1.3 161 10 294.6 295.2 283.7 305.8 3.79 17 768 2119 0.4 -4.6 69 5.0 -1.7 160 10 295.0 295.6 283.6 305.5 3.54 18 766 2139 0.6 -10.4 43 11.0 -3.5 160 10 295.4 295.8 282.3 302.3 2.26 19 762 2181 0.4 -5.6 64 6.0 -2.1 163 10 295.7 296.3 283.6 305.5 3.30 20 750 2309 -0.3 -7.3 59 7.0 -3.1 171 11 296.2 296.8 283.4 305.1 2.94 21 738 2438 -0.7 -16.7 29 16.0 -5.8 180 12 297.2 297.4 282.0 301.6 1.40 22 735 2470 -0.7 -11.7 43 11.0 -4.7 180 12 297.5 297.9 283.0 304.0 2.12 23 734 2481 -0.7 -9.7 51 9.0 -4.1 179 13 297.6 298.1 283.5 305.2 2.49 24 708 2769 -2.1 -20.1 24 18.0 -7.3 171 15 299.2 299.4 282.4 302.7 1.09 25 700 2859 -2.7 -10.7 54 8.0 -5.7 155 11 299.5 299.9 284.1 306.9 2.41 26 699 2870 -2.9 -9.9 58 7.0 -5.5 155 11 299.4 299.9 284.3 307.3 2.58 27 681 3076 -4.5 -6.8 84 2.3 -5.4 152 8 299.9 300.5 285.4 310.1 3.37 28 664 3276 -1.9 -10.9 50 9.0 -5.4 150 6 305.0 305.4 286.3 312.8 2.50 29 593 4162 -9.1 -20.1 40 11.0 -12.2 109 9 306.6 306.9 285.7 310.9 1.31 30 571 4453 -10.9 -31.9 16 21.0 -15.1 95 18 307.8 307.9 285.1 309.4 0.46 31 560 4602 -11.7 -28.7 23 17.0 -15.4 90 24 308.6 308.7 285.6 310.8 0.64 32 555 4671 -11.7 -38.7 9 27.0 -16.2 87 22 309.4 309.4 285.4 310.3 0.24 33 527 5065 -14.9 -42.9 7 28.0 -18.8 80 15 310.2 310.2 285.6 310.8 0.16 34 515 5239 -16.3 -39.3 12 23.0 -19.7 71 12 310.5 310.6 285.8 311.4 0.25 35 504 5400 -17.7 -25.7 50 8.0 -19.4 41 11 310.7 310.9 286.7 313.9 0.94 36 500 5460 -18.1 -25.1 54 7.0 -19.7 30 10 311.0 311.2 286.8 314.3 1.00 37 496 5520 -18.7 -25.7 54 7.0 -20.2 25 9 311.0 311.1 286.8 314.2 0.95 38 472 5889 -21.3 -39.3 18 18.0 -23.7 354 8 312.2 312.2 286.4 313.1 0.27 39 455 6158 -23.9 -40.9 19 17.0 -25.9 337 10 312.2 312.3 286.4 313.1 0.24 40 446 6304 -24.3 -37.3 29 13.0 -26.1 330 13 313.5 313.6 287.0 314.7 0.35 41 400 7090 -30.1 -46.1 20 16.0 -31.5 315 29 315.9 315.9 287.6 316.4 0.15 42 395 7179 -30.5 -46.5 19 16.0 -31.9 314 35 316.5 316.5 287.8 317.0 0.15 43 386 7344 -27.3 -56.3 5 29.0 -29.5 313 46 322.8 322.8 289.6 323.0 0.05 44 380 7457 -26.9 -57.9 4 31.0 -29.2 312 53 324.8 324.8 290.2 324.9 0.04 45 315 8776 -38.5 -56.5 13 18.0 -39.4 296 82 326.5 326.5 290.8 326.7 0.06 46 311 8864 -39.0 -58.0 12 19.0 -39.9 295 83 327.1 327.1 290.9 327.2 0.05 47 300 9110 -40.3 -62.3 8 22.0 -41.1 300 70 328.6 328.6 291.3 328.7 0.03 48 296 9202 -40.7 -63.7 7 23.0 -41.5 296 74 329.3 329.3 291.5 329.4 0.02 49 250 10330 -50.7 -67.7 12 17.0 -51.0 290 72 330.7 330.7 291.9 330.8 0.02 50 236 10701 -53.5 -68.5 14 15.0 -53.7 285 71 332.0 332.0 292.3 332.0 0.02 51 234 10756 -52.5 -69.5 11 17.0 -52.8 286 68 334.3 334.3 292.9 334.3 0.01 52 211 11413 -57.9 -71.9 15 14.0 -58.0 301 42 335.9 335.9 293.3 335.9 0.01 53 207 11534 -56.7 -73.7 10 17.0 -56.9 306 40 339.6 339.6 294.2 339.7 0.01 54 200 11750 -58.3 -75.3 10 17.0 -58.5 315 37 340.4 340.4 294.4 340.5 0.01 55 172 12691 -62.5 -81.5 6 19.0 -62.6 275 15 348.5 348.5 296.3 348.5 0.00 56 169 12800 -62.3 -83.3 4 21.0 -62.4 275 15 350.6 350.6 296.8 350.6 0.00 57 167 12874 -60.5 -82.5 4 22.0 -60.7 276 14 354.8 354.8 297.7 354.8 0.00 58 159 13178 -63.1 -83.1 5 20.0 -63.2 288 12 355.4 355.4 297.8 355.4 0.00 59 150 13540 -59.7 -84.7 2 25.0 -59.9 255 6 367.2 367.2 300.1 367.2 0.00 60 148 13624 -58.5 -85.5 2 27.0 -58.7 269 5 370.7 370.7 300.7 370.7 0.00 61 100 16080 -61.1 -86.1 2 25.0 -61.4 275 30 409.7 409.7 306.5 409.7 0.00 62 95 16397 -61.7 -86.7 2 25.0 -62.0 275 30 414.6 414.6 307.1 414.6 0.00 63 87 16944 -59.5 -86.5 2 27.0 -59.9 275 13 429.5 429.5 308.8 429.5 0.00 64 70 18290 -63.1 -88.1 2 25.0 -63.4 255 14 449.4 449.4 310.8 449.4 0.00 65 58 19438 -65.3 -89.3 2 24.0 -65.5 311 11 469.3 469.3 312.5 469.3 0.00 66 50 20340 -65.5 -89.5 2 24.0 -65.8 265 23 489.1 489.1 314.1 489.1 0.00 67 33 22870 -66.9 -90.9 2 24.0 -67.2 240 17 547.1 547.1 317.9 547.2 0.00 68 31 23250 -65.1 -90.1 2 25.0 -65.6 250 33 561.9 561.9 318.8 561.9 0.00 69 30 23450 -66.5 -90.5 2 24.0 -66.9 240 30 563.4 563.4 318.8 563.4 0.00 70 24 24785 -69.9 -91.9 3 22.0 -70.2 262 47 590.6 590.6 320.2 590.6 0.00 71 21 25586 -66.1 -91.1 2 25.0 -66.7 275 34 625.1 625.1 321.7 625.1 0.00 72 20 25880 -67.1 -91.1 2 24.0 -67.7 250 37 630.8 630.8 321.9 630.8 0.00 73 11 29483 -68.1 -92.1 2 24.0 -68.9 265 82 744.8 744.8 325.8 744.8 0.01 74 10 30060 -64.9 -90.9 2 26.0 -66.2 265 101 777.3 777.3 326.7 777.4 0.01 75 8.4 31118 -66.9 -91.9 2 25.0 -68.1 809.2 809.2 327.5 809.3 0.01 76 4.7 34710 -57.1 -86.1 1 29.0 -62.1 1000.8 1000.8 331.2 1001.3 0.05 TRP 172 12691 -62.5 -81.5 6 19.0 -62.6 275 15 348.5 348.5 296.3 348.5 0.00 WND 311 8864 -39.0 -58.0 12 19.0 -39.9 295 83 327.1 327.1 290.9 327.2 0.05 Sounding variables and indices 1000-500 mb thick: 5490.00 m Freezing level: 755.14 mb = 2254.20 m = 7395.58 ft Wetbulb zero: 807.21 mb = 1717.06 m = 5633.33 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 53.28 % Est. max temperature: 16.86 C = 62.34 F Sfc-Lift cond lev (LCL): 981.31 mb = 125.79 m = 412.70 ft T: 0.96 C 700-500 lapse rate: 5.92 C/km ThetaE index: 3.55 C Layer 772.0- 762.0 mb Conv cond level (CCL): 983.00 mb = 112.00 m = 367.45 ft Mean mixing ratio: 5.28 g/kg Conv temperature: 4.25 C = 39.65 F Cap Strength: 11.78 C Lifted Index: 11.76 C Risk: None Lifted Index @300 mb: 21.23 C Lifted Index @700 mb: 7.48 C Showalter Index: 6.90 C Risk: None Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 19.80 C K Index: 16.60 Risk: < 20 % chance of thunderstorms Sweat Index: 48.40 Risk: None Energy Index: 1.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 75.03 J/kg Max Up Vert Vel: 12.25 m/s Conv Inhibition (B-): 66102.10 J/kg Cap Strength: 11.77 C Lift Cond Lev (LCL): 908.38 mb = 751.69 m = 2466.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 168 at 8 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 ---------------------------------------------------------- 0 983 112 235 4 3.3 2.3 | 318 7 4.9 -5.5 1 960 305 215 9 5.2 7.4 | 273 7 6.8 -0.4 2 925 602 195 15 3.9 14.5 | 220 9 5.5 6.7 3 924 610 190 15 2.6 14.8 | 211 8 4.3 7.0 4 891 914 215 10 5.7 8.2 | 267 7 7.4 0.4 5 858 1219 195 10 2.6 9.7 | 246 5 4.2 1.9 6 850 1298 200 9 3.1 8.5 | 262 5 4.7 0.7 7 796 1829 165 11 -2.8 10.6 | 157 3 -1.2 2.8 8 766 2134 160 10 -3.4 9.4 | 132 2 -1.8 1.6 9 738 2438 180 12 0.0 12.0 | 201 5 1.7 4.2 10 710 2743 175 16 -1.4 15.9 | 182 8 0.3 8.2 11 700 2859 155 11 -4.6 10.0 | 126 4 -3.0 2.2 12 631 3658 145 1 -0.6 0.8 | 351 7 1.1 -7.0 13 583 4267 100 11 -10.8 1.9 | 57 11 -9.2 -5.9 14 561 4572 90 24 -24.0 0.0 | 71 24 -22.3 -7.8 15 539 4877 80 18 -17.7 -3.1 | 56 19 -16.1 -10.9 16 518 5182 80 13 -12.8 -2.3 | 48 15 -11.2 -10.0 17 500 5460 30 10 -5.0 -8.7 | 12 17 -3.3 -16.4 18 478 5791 360 7 -0.0 -7.0 | 354 15 1.7 -14.8 19 458 6096 340 9 3.1 -8.5 | 344 17 4.7 -16.2 20 422 6706 310 22 16.9 -14.1 | 320 29 18.5 -21.9 21 404 7010 315 27 19.1 -19.1 | 322 34 20.7 -26.9 22 400 7090 315 29 20.5 -20.5 | 322 36 22.2 -28.3 23 371 7620 310 64 49.0 -41.1 | 314 70 50.7 -48.9 24 355 7925 310 77 59.0 -49.5 | 313 83 60.6 -57.3 25 311 8864 295 83 75.2 -35.1 | 299 88 76.9 -42.9 26 300 9110 300 70 60.6 -35.0 | 304 76 62.3 -42.8 27 298 9144 295 75 68.0 -31.7 | 300 80 69.6 -39.5 28 272 9754 305 68 55.7 -39.0 | 309 74 57.4 -46.8 29 260 10058 295 67 60.7 -28.3 | 300 72 62.4 -36.1 30 250 10330 290 72 67.7 -24.6 | 295 77 69.3 -32.4 31 237 10668 285 72 69.5 -18.6 | 290 76 71.2 -26.4 32 215 11278 295 44 39.9 -18.6 | 302 49 41.5 -26.4 33 200 11750 315 37 26.2 -26.2 | 321 44 27.8 -33.9 34 196 11887 315 37 26.2 -26.2 | 321 44 27.8 -33.9 35 177 12497 295 23 20.8 -9.7 | 308 28 22.5 -17.5 36 172 12691 275 15 14.9 -1.3 | 299 19 16.6 -9.1 37 169 12802 275 15 14.9 -1.3 | 299 19 16.6 -9.1 38 161 13106 280 12 11.8 -2.1 | 306 17 13.5 -9.9 39 153 13411 315 14 9.9 -9.9 | 327 21 11.6 -17.7 40 150 13540 255 6 5.8 1.6 | 310 10 7.4 -6.2 41 146 13716 285 3 2.9 -0.8 | 332 10 4.5 -8.6 42 139 14021 225 10 7.1 7.1 | 275 9 8.7 -0.7 43 132 14326 215 12 6.9 9.8 | 256 9 8.5 2.1 44 126 14630 250 22 20.7 7.5 | 271 22 22.3 -0.3 45 120 14935 250 16 15.0 5.5 | 278 17 16.7 -2.3 46 114 15240 225 14 9.9 9.9 | 260 12 11.6 2.1 47 109 15545 250 21 19.7 7.2 | 272 21 21.4 -0.6 48 104 15850 240 24 20.8 12.0 | 259 23 22.4 4.2 49 100 16080 275 30 29.9 -2.6 | 288 33 31.5 -10.4 50 94 16459 275 30 29.9 -2.6 | 288 33 31.5 -10.4 51 90 16764 260 14 13.8 2.4 | 289 16 15.4 -5.3 52 85 17069 285 13 12.6 -3.4 | 308 18 14.2 -11.1 53 81 17374 260 11 10.8 1.9 | 295 14 12.5 -5.9 54 77 17678 245 16 14.5 6.8 | 274 16 16.2 -1.0 55 74 17983 255 25 24.1 6.5 | 273 26 25.8 -1.3 56 70 18288 265 22 21.9 1.9 | 284 24 23.6 -5.9 57 70 18290 255 14 13.5 3.6 | 285 16 15.2 -4.2 58 67 18593 255 13 12.6 3.4 | 287 15 14.2 -4.4 59 60 19202 315 12 8.5 -8.5 | 328 19 10.1 -16.3 60 57 19507 310 11 8.4 -7.1 | 326 18 10.1 -14.8 61 55 19812 235 10 8.2 5.7 | 282 10 9.8 -2.0 62 50 20340 265 23 22.9 2.0 | 283 25 24.6 -5.8 63 49 20422 230 20 15.3 12.9 | 253 18 17.0 5.1 64 47 20726 265 21 20.9 1.8 | 285 23 22.6 -5.9 65 45 21031 255 32 30.9 8.3 | 269 33 32.6 0.5 66 42 21336 255 19 18.4 4.9 | 278 20 20.0 -2.9 67 40 21641 260 17 16.7 3.0 | 285 19 18.4 -4.8 68 38 21946 240 23 19.9 11.5 | 260 22 21.6 3.7 69 37 22250 250 31 29.1 10.6 | 265 31 30.8 2.8 70 35 22555 260 25 24.6 4.3 | 277 26 26.3 -3.4 71 33 22860 240 16 13.9 8.0 | 269 16 15.5 0.2 72 31 23165 255 34 32.8 8.8 | 268 35 34.5 1.0 73 30 23450 240 30 26.0 15.0 | 255 29 27.6 7.2 74 28 23774 240 30 26.0 15.0 | 255 29 27.6 7.2 75 26 24384 255 30 29.0 7.8 | 270 31 30.6 -0.0 76 24 24689 260 49 48.3 8.5 | 269 50 49.9 0.7 77 21 25603 275 34 33.9 -3.0 | 287 37 35.5 -10.7 78 20 25880 250 37 34.8 12.7 | 262 37 36.4 4.9 79 20 25908 255 29 28.0 7.5 | 271 30 29.7 -0.3 80 19 26213 240 32 27.7 16.0 | 254 30 29.4 8.2 81 16 27127 250 42 39.5 14.4 | 261 42 41.1 6.6 82 15 27432 255 54 52.2 14.0 | 263 54 53.8 6.2 83 13 28346 255 78 75.3 20.2 | 261 78 77.0 12.4 84 11 29261 265 75 74.7 6.5 | 271 76 76.4 -1.2 85 10 30060 265 101 100.6 8.8 | 269 102 102.3 1.0 Wind Parameters Mean winds (0-6000m): 138.0 at 10.6 knts Storm direction: 168.0 at 8.0 knts Shear (0-3000m) pos: 0.7 neg: 2.1 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 108.8 deg Storm rel helicity (0-3000m) pos: 18.3 neg: -46.2 tot: -27.8 m^2/s^2 ave: -9.3 10^-3 m/s^2 rel: -0.40 Storm rel vorticity (0-3000m) horiz: 8.7 stream: -3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.20 Bulk Shear: 17.86 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 ------------------------------------------------------------------------------- 500 207 10 260 6| 0.0 12.8 12.8| 0.0 -25.8 -25.8 -51.5 -0.99| 14.1-14.0 1000 205 11 252 6| 2.9 6.4 9.3| 14.3 -28.0 -13.7 -13.7 -0.33| 12.0 -3.9 1500 201 10 250 6| 1.9 4.8 6.7| 15.7 -31.8 -16.1 -10.7 -0.35| 10.0 -3.5 2000 192 10 238 5| 1.4 3.8 5.2| 15.7 -34.5 -18.8 -9.4 -0.42| 8.5 -3.6 2500 188 11 228 4| 0.8 3.1 3.8| 18.3 -35.9 -17.6 -7.0 -0.30| 8.1 -2.4 3000 183 11 217 4| 0.7 2.1 2.7| 18.3 -46.2 -27.8 -9.3 -0.40| 8.7 -3.5 4000 178 9 222 2| 0.5 1.9 2.4| 27.8 -50.2 -22.4 -5.6 -0.29| 8.3 -2.4 5000 150 11 113 4| 0.4 2.2 2.6| 41.6 -88.7 -47.1 -9.4 -0.24| 9.3 -2.2 6000 138 11 91 5| 0.3 0.9 1.3| 41.6-168.4-126.8 -21.1 -0.37| 9.5 -3.5 Wrote GIF file: /home/apache/climate/data/raob//CAYT/skewt/CAYT.skewt.20251230.12.gif