UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for CAYT... Searching the city database file for: CAYT ... Date:1200Z 29 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 3 SFC 986 112 0.0 -0.8 94 0.8 -0.3 15 5 274.3 274.9 273.6 284.2 3.65 2 935 538 -3.1 -3.1 100 0.0 -3.1 24 32 275.3 275.8 273.6 284.2 3.25 3 925 624 -1.1 -1.1 100 0.0 -1.1 30 34 278.2 278.8 276.0 288.7 3.81 4 915 711 2.0 2.0 100 0.0 2.0 35 32 282.2 283.1 279.4 295.7 4.83 5 907 782 1.8 1.8 100 0.0 1.8 38 31 282.7 283.6 279.6 296.1 4.80 6 896 881 2.8 2.8 100 0.0 2.8 43 30 284.8 285.7 281.1 299.4 5.22 7 890 936 5.0 5.0 100 0.0 5.0 45 29 287.6 288.7 283.4 304.9 6.15 8 850 1310 3.0 2.3 95 0.7 2.7 55 23 289.3 290.2 283.2 304.5 5.32 9 792 1880 0.2 -0.1 98 0.3 0.1 76 30 292.2 293.1 283.8 306.1 4.80 10 700 2863 -4.1 -4.6 96 0.5 -4.3 80 24 297.9 298.6 285.2 309.6 3.88 11 515 5220 -17.9 -19.6 87 1.7 -18.3 92 13 308.6 308.9 286.6 313.7 1.57 12 500 5440 -19.5 -21.0 88 1.5 -19.9 105 16 309.3 309.5 286.7 314.0 1.43 13 445 6297 -26.1 -27.2 90 1.1 -26.3 108 24 311.4 311.6 286.9 314.5 0.92 14 400 7060 -32.3 -35.3 75 3.0 -32.7 120 30 313.0 313.1 287.0 314.7 0.47 15 341 8164 -41.1 -44.6 69 3.5 -41.3 127 41 315.7 315.7 287.6 316.4 0.21 16 318 8634 -45.3 -48.3 72 3.0 -45.4 133 49 316.2 316.2 287.7 316.8 0.15 17 316 8676 -45.7 -50.3 60 4.6 -45.9 133 49 316.2 316.2 287.6 316.7 0.12 18 306 8890 -47.7 -51.0 69 3.3 -47.9 134 53 316.3 316.3 287.7 316.8 0.12 19 304 8933 -47.9 -52.8 57 4.9 -48.1 132 54 316.6 316.7 287.8 317.0 0.09 20 300 9020 -48.9 -52.5 66 3.6 -49.0 130 56 316.4 316.4 287.7 316.8 0.10 21 289 9262 -51.1 -54.6 66 3.5 -51.2 130 59 316.7 316.7 287.8 317.0 0.08 22 287 9307 -51.5 -56.5 55 5.0 -51.6 130 60 316.7 316.8 287.8 317.0 0.06 23 279 9489 -53.3 -55.8 74 2.5 -53.4 130 65 316.7 316.7 287.8 317.0 0.07 24 259 9959 -57.9 -62.8 53 4.9 -58.0 130 77 316.8 316.8 287.7 316.9 0.03 25 254 10081 -58.9 -62.7 61 3.8 -59.0 130 80 317.1 317.1 287.8 317.2 0.03 26 251 10155 -59.3 -64.8 49 5.4 -59.4 130 82 317.5 317.5 287.9 317.6 0.03 27 250 10180 -59.5 -65.5 46 6.0 -59.6 130 82 317.6 317.6 288.0 317.7 0.02 28 248 10230 -59.9 -66.9 40 7.0 -60.0 130 79 317.7 317.7 288.1 317.8 0.02 29 244 10332 -58.7 -67.7 30 9.0 -58.8 130 81 321.0 321.0 289.0 321.1 0.02 30 230 10703 -58.3 -70.3 20 12.0 -58.5 142 55 327.1 327.1 290.9 327.2 0.01 31 206 11394 -59.3 -76.3 9 17.0 -59.5 180 15 336.0 336.0 293.3 336.0 0.01 32 203 11487 -58.1 -79.1 5 21.0 -58.3 180 13 339.3 339.3 294.1 339.3 0.00 33 200 11580 -59.1 -79.1 6 20.0 -59.3 180 11 339.2 339.2 294.1 339.2 0.00 34 198 11643 -59.5 -79.5 6 20.0 -59.7 181 11 339.5 339.5 294.2 339.5 0.00 35 185 12073 -56.3 -80.3 3 24.0 -56.6 164 8 351.4 351.4 296.9 351.4 0.00 36 173 12502 -55.3 -80.3 3 25.0 -55.6 118 4 359.8 359.8 298.7 359.8 0.00 37 152 13326 -57.7 -83.7 2 26.0 -58.0 316 8 369.3 369.3 300.4 369.3 0.00 38 150 13410 -57.7 -83.7 2 26.0 -58.0 295 9 370.7 370.7 300.7 370.7 0.00 39 146 13580 -57.1 -83.1 2 26.0 -57.4 291 9 374.6 374.6 301.4 374.6 0.00 40 123 14658 -58.7 -84.7 2 26.0 -59.0 265 13 390.5 390.5 303.9 390.5 0.00 41 108 15476 -57.3 -85.3 2 28.0 -57.7 258 18 407.9 407.9 306.2 407.9 0.00 42 101 15898 -58.9 -85.9 2 27.0 -59.2 269 21 412.7 412.7 306.9 412.8 0.00 43 100 15960 -58.7 -85.7 2 27.0 -59.0 300 22 414.3 414.3 307.0 414.3 0.00 44 93 16414 -60.3 -86.3 2 26.0 -60.6 300 21 419.8 419.8 307.7 419.9 0.00 45 77 17600 -57.3 -86.3 1 29.0 -57.8 268 21 449.4 449.4 310.8 449.4 0.00 46 70 18200 -58.9 -86.9 2 28.0 -59.4 245 15 458.4 458.4 311.6 458.4 0.00 47 56 19580 -64.5 -88.5 2 24.0 -64.8 276 17 475.8 475.8 313.1 475.8 0.00 48 51 20157 -59.9 -87.9 1 28.0 -60.4 234 10 499.5 499.5 314.9 499.5 0.00 49 50 20280 -60.9 -87.9 2 27.0 -61.4 245 9 500.0 500.0 314.9 500.0 0.00 50 38 21955 -68.5 -91.5 2 23.0 -68.8 260 26 521.4 521.4 316.4 521.4 0.00 51 30 23370 -69.1 -92.1 2 23.0 -69.4 265 41 556.3 556.3 318.5 556.3 0.00 52 29 23572 -69.5 -91.5 3 22.0 -69.8 268 41 560.6 560.6 318.7 560.6 0.00 53 21 25498 -68.3 -92.3 2 24.0 -68.8 267 40 618.4 618.4 321.4 618.4 0.00 54 20 25790 -69.1 -92.1 2 23.0 -69.5 265 44 624.7 624.7 321.7 624.7 0.00 55 19 26096 -71.1 -93.1 2 22.0 -71.5 275 48 627.7 627.7 321.8 627.7 0.00 56 10 29930 -67.7 -92.7 2 25.0 -68.7 265 93 766.8 766.8 326.4 766.9 0.01 57 8.7 30779 -62.3 -91.3 1 29.0 -64.3 819.0 819.0 327.7 819.1 0.01 58 7.2 31948 -62.1 -90.1 1 28.0 -64.5 865.3 865.4 328.7 865.5 0.02 59 5.7 33412 -56.3 -88.3 1 32.0 -61.1 950.6 950.6 330.4 950.8 0.03 TRP 248 10230 -59.9 -66.9 40 7.0 -60.0 130 79 317.7 317.7 288.1 317.8 0.02 WND 251 10155 -59.3 -64.8 49 5.4 -59.4 130 82 317.5 317.5 287.9 317.6 0.03 Sounding variables and indices 1000-500 mb thick: 5437.00 m Freezing level: 986.00 mb = 112.00 m = 367.45 ft Freezing level: 921.45 mb = 655.00 m = 2148.92 ft Freezing level: 787.72 mb = 1925.78 m = 6318.09 ft Wetbulb zero: Below ground Precipitable water: 0.78 inches Sfc-500 mean rel hum: 94.27 % Est. max temperature: 15.66 C = 60.18 F Sfc-Lift cond lev (LCL): 973.74 mb = 212.32 m = 696.58 ft T: -0.73 C 700-500 lapse rate: 5.98 C/km ThetaE index: 0.46 C Layer 850.0- 792.0 mb Conv cond level (CCL): 986.00 mb = 112.00 m = 367.45 ft Mean mixing ratio: 4.09 g/kg Conv temperature: 0.73 C = 33.32 F Cap Strength: 16.68 C Lifted Index: 16.93 C Risk: None Lifted Index @300 mb: 18.99 C Lifted Index @700 mb: 11.70 C Showalter Index: 6.38 C Risk: None Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 21.80 C K Index: 24.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 89.60 Risk: None Energy Index: 1.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.37 J/kg Max Up Vert Vel: 11.08 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 16.88 C Lift Cond Lev (LCL): 935.02 mb = 537.78 m = 1764.34 ft Lev Free Conv (LFC): 930.02 mb = 580.68 m = 1905.11 ft Equ Level (EL): 920.02 mb = 667.38 m = 2189.54 ft B at Equ Level: 57.38 J/kg Max Parcel Lev (MPL): 880.02 mb = 1027.48 m = 3370.97 ft Wind level data Storm motion: 99 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 ---------------------------------------------------------- 0 986 112 15 5 -1.3 -4.8 | 298 15 13.6 -7.1 1 963 305 20 22 -7.5 -20.7 | 342 24 7.3 -22.9 2 927 610 25 35 -14.8 -31.7 | 360 34 0.1 -34.0 3 925 624 30 34 -17.0 -29.4 | 4 32 -2.2 -31.7 4 892 914 45 29 -20.5 -20.5 | 14 23 -5.7 -22.8 5 860 1219 50 27 -20.7 -17.4 | 17 20 -5.8 -19.6 6 850 1310 55 23 -18.8 -13.2 | 15 16 -4.0 -15.4 7 797 1829 75 30 -29.0 -7.8 | 55 17 -14.1 -10.0 8 767 2134 80 29 -28.6 -5.0 | 62 16 -13.7 -7.3 9 738 2438 85 27 -26.9 -2.4 | 69 13 -12.1 -4.6 10 711 2743 85 23 -22.9 -2.0 | 62 9 -8.1 -4.3 11 700 2863 80 24 -23.6 -4.2 | 54 11 -8.8 -6.4 12 631 3658 75 13 -12.6 -3.4 | 338 6 2.3 -5.6 13 606 3962 70 10 -9.4 -3.4 | 316 8 5.4 -5.7 14 583 4267 55 11 -9.0 -6.3 | 326 10 5.8 -8.6 15 560 4572 65 11 -10.0 -4.6 | 325 8 4.9 -6.9 16 538 4877 35 9 -5.2 -7.4 | 315 14 9.7 -9.6 17 517 5182 90 13 -13.0 0.0 | 321 3 1.8 -2.3 18 500 5440 105 16 -15.5 4.1 | 162 2 -0.6 1.9 19 497 5486 105 16 -15.5 4.1 | 162 2 -0.6 1.9 20 457 6096 105 22 -21.3 5.7 | 118 7 -6.4 3.4 21 400 7060 120 30 -26.0 15.0 | 139 17 -11.1 12.7 22 368 7620 130 35 -26.8 22.5 | 149 24 -12.0 20.2 23 352 7925 125 38 -31.1 21.8 | 140 25 -16.3 19.5 24 308 8839 135 52 -36.8 36.8 | 148 41 -21.9 34.5 25 300 9020 130 56 -42.9 36.0 | 140 44 -28.1 33.7 26 294 9144 130 56 -42.9 36.0 | 140 44 -28.1 33.7 27 251 10155 130 82 -62.8 52.7 | 136 70 -48.0 50.5 28 250 10180 130 82 -62.8 52.7 | 136 70 -48.0 50.5 29 248 10230 130 79 -60.5 50.8 | 137 67 -45.7 48.5 30 243 10363 130 82 -62.8 52.7 | 136 70 -48.0 50.5 31 231 10668 140 58 -37.3 44.4 | 152 48 -22.4 42.2 32 220 10973 160 29 -9.9 27.3 | 191 25 4.9 25.0 33 210 11278 180 17 0.0 17.0 | 225 21 14.8 14.7 34 200 11580 180 11 0.0 11.0 | 239 17 14.8 8.7 35 191 11887 185 10 0.9 10.0 | 244 18 15.7 7.7 36 165 12802 85 1 -1.0 -0.1 | 280 14 13.8 -2.3 37 150 13410 295 9 8.2 -3.8 | 285 24 23.0 -6.1 38 136 14021 280 10 9.8 -1.7 | 279 25 24.7 -4.0 39 130 14326 245 10 9.1 4.2 | 265 24 23.9 2.0 40 124 14630 265 13 13.0 1.1 | 272 28 27.8 -1.1 41 118 14935 270 12 12.0 -0.0 | 275 27 26.8 -2.3 42 112 15240 250 16 15.0 5.5 | 264 30 29.9 3.2 43 107 15545 260 18 17.7 3.1 | 268 33 32.6 0.9 44 102 15850 245 20 18.1 8.5 | 259 34 33.0 6.2 45 100 15960 300 22 19.1 -11.0 | 291 36 33.9 -13.3 46 97 16154 300 22 19.1 -11.0 | 291 36 33.9 -13.3 47 92 16459 300 21 18.2 -10.5 | 291 35 33.0 -12.8 48 88 16764 265 22 21.9 1.9 | 271 37 36.8 -0.3 49 84 17069 290 19 17.9 -6.5 | 285 34 32.7 -8.8 50 76 17678 265 21 20.9 1.8 | 271 36 35.8 -0.4 51 72 17983 260 12 11.8 2.1 | 270 27 26.7 -0.2 52 70 18200 245 15 13.6 6.3 | 262 29 28.4 4.1 53 69 18288 200 11 3.8 10.3 | 247 20 18.6 8.1 54 66 18593 260 20 19.7 3.5 | 268 35 34.5 1.2 55 63 18898 280 29 28.6 -5.0 | 280 44 43.4 -7.3 56 60 19202 270 22 22.0 -0.0 | 274 37 36.8 -2.3 57 57 19507 285 17 16.4 -4.4 | 282 32 31.3 -6.7 58 54 19812 245 16 14.5 6.8 | 261 30 29.3 4.5 59 51 20117 230 10 7.7 6.4 | 259 23 22.5 4.2 60 50 20280 245 9 8.2 3.8 | 266 23 23.0 1.5 61 46 20726 245 9 8.2 3.8 | 266 23 23.0 1.5 62 44 21031 265 24 23.9 2.1 | 270 39 38.8 -0.2 63 42 21336 260 29 28.6 5.0 | 266 43 43.4 2.8 64 40 21641 265 30 29.9 2.6 | 270 45 44.7 0.4 65 36 22250 255 22 21.3 5.7 | 265 36 36.1 3.4 66 34 22555 280 31 30.5 -5.4 | 280 46 45.4 -7.6 67 33 22860 250 29 27.3 9.9 | 260 43 42.1 7.7 68 31 23165 250 45 42.3 15.4 | 257 59 57.1 13.1 69 30 23370 265 41 40.8 3.6 | 269 56 55.7 1.3 70 24 24689 285 42 40.6 -10.9 | 283 57 55.4 -13.1 71 23 24994 270 34 34.0 -0.0 | 273 49 48.8 -2.3 72 20 25790 265 44 43.8 3.8 | 268 59 58.7 1.6 73 20 25908 280 51 50.2 -8.9 | 280 66 65.1 -11.1 74 18 26518 265 42 41.8 3.7 | 269 57 56.7 1.4 75 17 26822 255 45 43.5 11.6 | 261 59 58.3 9.4 76 15 27432 255 61 58.9 15.8 | 260 75 73.8 13.5 77 14 27737 260 68 67.0 11.8 | 263 82 81.8 9.6 78 13 28346 270 62 62.0 -0.0 | 272 77 76.8 -2.3 79 10 29870 265 100 99.6 8.7 | 267 115 114.5 6.5 80 10 29930 265 93 92.6 8.1 | 267 108 107.5 5.9 81 9 30175 265 87 86.7 7.6 | 267 102 101.5 5.3 Wind Parameters Mean winds (0-6000m): 68.6 at 20.0 knts Storm direction: 98.6 at 15.0 knts Shear (0-3000m) pos: 4.0 neg: 0.8 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 102.1 deg Storm rel helicity (0-3000m) pos: 261.7 neg: -15.8 tot: 245.9 m^2/s^2 ave: 82.0 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 13.1 stream: 7.0 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 1.60 Bulk Shear: 38.47 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 22 23 345 24| 30.8 0.0 30.8|139.7 0.0 139.7 279.3 0.78| 31.3 24.4 1000 32 27 359 25| 12.2 0.0 12.2|195.2 0.0 195.2 195.2 0.70| 23.0 16.0 1500 40 26 5 22| 8.3 0.0 8.3|224.4 -2.8 221.5 147.7 0.66| 19.5 12.8 2000 50 27 16 20| 7.0 0.0 7.0|255.0 -2.8 252.2 126.1 0.69| 16.6 11.4 2500 57 27 24 19| 4.8 0.0 4.8|261.7 -4.5 257.2 102.9 0.65| 14.4 9.4 3000 61 26 28 17| 4.0 0.8 4.9|261.7 -15.8 245.9 82.0 0.54| 13.1 7.0 4000 63 23 25 14| 3.0 2.0 5.0|262.9 -31.9 231.0 57.7 0.37| 11.3 4.2 5000 62 21 16 12| 2.7 1.6 4.3|269.4 -36.4 233.0 46.6 0.33| 10.5 3.4 6000 69 20 22 10| 3.2 1.3 4.6|269.4 -39.6 229.8 38.3 0.23| 10.0 2.3 Wrote GIF file: /home/apache/climate/data/raob//CAYT/skewt/CAYT.skewt.20251229.12.gif