UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for CAYT... Searching the city database file for: CAYT ... Date:1200Z 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 ------------------------------------------------------------------------------- SFC 1003 112 -3.7 -10.7 58 7.0 -5.7 255 5 269.2 269.5 267.3 273.9 1.68 1 1000 137 -3.9 -11.9 54 8.0 -6.1 265 8 269.2 269.5 267.0 273.5 1.53 2 925 746 -8.9 -13.5 69 4.6 -10.1 285 30 270.2 270.4 267.5 274.3 1.46 3 919 796 -9.5 -13.8 71 4.3 -10.6 284 31 270.1 270.3 267.4 274.1 1.43 4 873 1192 -11.5 -11.5 100 0.0 -11.5 275 40 272.0 272.3 269.3 277.1 1.81 5 850 1396 -13.3 -13.3 100 0.0 -13.3 275 42 272.2 272.5 269.1 276.7 1.61 6 819 1678 -15.3 -15.4 99 0.1 -15.3 275 42 273.0 273.2 269.3 277.0 1.41 7 812 1743 -14.9 -16.4 88 1.5 -15.2 275 42 274.1 274.3 269.8 277.8 1.31 8 810 1761 -14.5 -18.1 74 3.6 -15.3 275 42 274.7 274.9 269.9 278.0 1.13 9 808 1780 -10.7 -36.7 10 26.0 -14.3 275 42 279.0 279.0 270.9 279.6 0.20 10 792 1934 -9.3 -17.3 52 8.0 -11.3 279 41 282.0 282.3 274.4 285.7 1.24 11 788 1974 -8.9 -20.9 37 12.0 -11.6 280 41 282.9 283.0 274.3 285.6 0.92 12 780 2052 -8.9 -15.9 57 7.0 -10.8 282 40 283.7 284.0 275.6 287.9 1.42 13 774 2112 -8.7 -17.7 48 9.0 -11.0 284 39 284.6 284.8 275.7 288.2 1.23 14 760 2254 -8.9 -22.9 31 14.0 -12.0 285 41 285.8 286.0 275.7 288.3 0.80 15 745 2408 -9.9 -18.9 48 9.0 -12.1 285 44 286.4 286.6 276.6 289.9 1.15 16 730 2564 -10.1 -25.1 28 15.0 -13.2 285 45 287.8 287.9 276.6 290.0 0.68 17 718 2692 -10.9 -24.9 31 14.0 -13.8 285 45 288.3 288.4 276.9 290.5 0.71 18 715 2724 -10.5 -15.2 68 4.7 -11.8 285 45 289.1 289.4 278.6 294.0 1.64 19 700 2887 -11.5 -16.3 68 4.8 -12.8 280 49 289.7 290.0 278.8 294.4 1.53 20 647 3486 -14.9 -16.9 85 2.0 -15.4 288 59 292.5 292.8 280.1 297.3 1.57 21 601 4040 -18.7 -22.3 73 3.6 -19.4 287 60 294.3 294.5 280.3 297.7 1.06 22 588 4203 -17.9 -21.2 75 3.3 -18.7 286 59 297.1 297.3 281.7 300.9 1.20 23 529 4986 -22.3 -24.9 79 2.6 -22.8 285 68 301.0 301.1 283.0 304.1 0.96 24 526 5028 -21.7 -24.3 79 2.6 -22.2 285 67 302.2 302.4 283.6 305.5 1.02 25 500 5400 -23.7 -25.9 82 2.2 -24.1 285 63 304.1 304.3 284.2 307.2 0.93 26 461 5988 -27.9 -32.9 62 5.0 -28.6 283 61 306.0 306.1 284.5 307.8 0.52 27 425 6566 -32.7 -38.7 55 6.0 -33.3 288 60 307.1 307.2 284.7 308.2 0.32 28 405 6904 -35.7 -38.9 72 3.2 -36.0 290 60 307.5 307.6 284.8 308.6 0.33 29 400 6990 -36.3 -39.7 71 3.4 -36.6 290 60 307.8 307.9 284.9 308.9 0.30 30 388 7201 -38.1 -40.3 80 2.2 -38.3 290 59 308.1 308.2 285.0 309.2 0.29 31 361 7694 -42.3 -44.9 76 2.6 -42.5 290 63 308.9 309.0 285.2 309.6 0.19 32 359 7732 -42.5 -47.1 61 4.6 -42.8 290 64 309.2 309.2 285.2 309.7 0.15 33 345 8000 -44.7 -51.7 45 7.0 -45.0 291 66 309.7 309.7 285.4 310.1 0.09 34 300 8920 -52.7 -56.9 60 4.2 -52.8 295 73 311.1 311.1 285.8 311.3 0.06 35 282 9316 -56.1 -60.1 61 4.0 -56.2 295 75 311.7 311.7 286.0 311.9 0.04 36 277 9430 -57.3 -59.6 75 2.3 -57.3 295 75 311.6 311.6 285.9 311.8 0.04 37 265 9708 -59.9 -63.2 65 3.3 -59.9 295 76 311.8 311.8 286.0 311.9 0.03 38 258 9875 -60.9 -65.4 55 4.5 -60.9 295 76 312.7 312.7 286.3 312.8 0.02 39 251 10045 -61.5 -65.2 61 3.7 -61.6 295 77 314.3 314.3 286.9 314.4 0.02 40 250 10070 -61.5 -65.3 60 3.8 -61.6 295 77 314.6 314.6 287.0 314.7 0.02 41 238 10373 -63.3 -66.7 63 3.4 -63.3 300 78 316.4 316.4 287.6 316.5 0.02 42 233 10503 -63.5 -66.9 63 3.4 -63.6 302 78 318.0 318.0 288.1 318.1 0.02 43 227 10663 -62.9 -67.3 55 4.4 -63.0 305 78 321.3 321.3 289.2 321.4 0.02 44 221 10829 -61.1 -75.1 14 14.0 -61.2 302 79 326.5 326.5 290.7 326.6 0.01 45 210 11146 -60.8 -74.8 14 14.0 -60.9 295 81 331.9 331.9 292.2 331.9 0.01 46 208 11205 -60.7 -74.7 14 14.0 -60.8 295 81 332.9 332.9 292.5 332.9 0.01 47 206 11265 -60.7 -75.7 12 15.0 -60.8 295 81 333.8 333.8 292.7 333.8 0.01 48 204 11326 -58.9 -76.9 8 18.0 -59.0 295 80 337.6 337.6 293.7 337.6 0.01 49 200 11450 -59.5 -78.5 7 19.0 -59.6 295 77 338.5 338.5 294.0 338.6 0.00 50 185 11939 -58.7 -81.7 4 23.0 -58.9 295 72 347.5 347.5 296.1 347.5 0.00 51 162 12770 -60.1 -83.1 3 23.0 -60.3 293 69 358.6 358.6 298.4 358.6 0.00 52 150 13250 -60.1 -84.1 3 24.0 -60.3 290 75 366.5 366.5 299.9 366.5 0.00 53 137 13818 -59.1 -84.1 3 25.0 -59.3 290 79 377.9 377.9 301.9 377.9 0.00 54 130 14146 -60.9 -84.9 3 24.0 -61.1 290 80 380.4 380.4 302.3 380.4 0.00 55 100 15770 -63.3 -86.3 3 23.0 -63.5 285 76 405.4 405.4 305.9 405.4 0.00 56 93 16217 -61.9 -86.9 2 25.0 -62.1 286 77 416.7 416.7 307.3 416.7 0.00 57 75 17532 -66.3 -87.3 4 21.0 -66.5 283 80 433.9 433.9 309.3 433.9 0.00 58 70 17950 -65.5 -87.5 3 22.0 -65.7 280 79 444.3 444.3 310.3 444.3 0.00 59 50 19970 -69.3 -89.3 4 20.0 -69.5 275 63 480.2 480.2 313.5 480.2 0.00 60 30 22990 -72.1 -92.1 3 20.0 -72.3 275 82 548.1 548.1 318.0 548.1 0.00 61 20 25400 -68.5 -91.5 2 23.0 -68.9 240 91 626.5 626.5 321.7 626.5 0.00 62 17 26373 -71.5 -92.5 3 21.0 -71.9 245 99 646.7 646.7 322.6 646.7 0.00 63 13 27979 -68.1 -93.1 2 25.0 -68.8 260 124 710.0 710.0 324.7 710.1 0.00 64 12 28467 -63.3 -91.3 1 28.0 -64.7 260 130 743.5 743.5 325.7 743.5 0.01 65 12 28467 -64.1 -91.1 1 27.0 -65.4 260 130 740.6 740.6 325.7 740.7 0.01 66 11 29011 -57.1 -89.1 1 32.0 -60.0 258 122 784.7 784.7 326.8 784.8 0.01 67 10 29620 -54.1 -86.1 1 32.0 -58.1 245 128 817.6 817.6 327.7 817.8 0.02 68 8.4 30753 -48.3 -83.3 1 35.0 -55.1 882.2 882.2 329.1 882.6 0.05 69 7.4 31580 -52.9 -84.9 1 32.0 -58.2 896.0 896.0 329.4 896.4 0.04 70 7.2 31758 -48.3 -84.3 1 36.0 -55.8 921.9 922.0 329.8 922.4 0.04 71 6.8 32134 -49.1 -84.1 1 35.0 -56.3 933.8 933.8 330.1 934.3 0.05 72 6.5 32432 -46.1 -83.1 1 37.0 -55.1 958.6 958.6 330.5 959.2 0.06 73 5.8 33186 -48.5 -83.5 1 35.0 -56.7 979.9 979.9 330.8 980.6 0.06 74 5.1 34049 -39.9 -80.9 0 41.0 -53.6 1055.5 1055.6 332.0 1056.9 0.11 75 4.6 34753 -40.3 -81.3 0 41.0 -54.3 1085.2 1085.3 332.5 1086.7 0.12 TRP 238 10373 -63.3 -66.7 63 3.4 -63.3 300 78 316.4 316.4 287.6 316.5 0.02 WND 210 11146 -60.8 -74.8 14 14.0 -60.9 295 81 331.9 331.9 292.2 331.9 0.01 Sounding variables and indices 1000-500 mb thick: 5263.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 71.23 % Est. max temperature: -0.73 C = 30.69 F Sfc-Lift cond lev (LCL): 897.88 mb = 975.43 m = 3200.20 ft T: -10.41 C 700-500 lapse rate: 4.85 C/km ThetaE index: 0.36 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 831.11 mb = 1566.42 m = 5139.13 ft Mean mixing ratio: 1.49 g/kg Conv temperature: -0.22 C = 31.60 F Cap Strength: 23.75 C Lifted Index: 24.97 C Risk: None Lifted Index @300 mb: 26.26 C Lifted Index @700 mb: 15.78 C Showalter Index: 22.80 C Risk: None Total Totals Index: 20.80 C Risk: None Vertical Totals Index: 10.40 C Cross Totals Index: 10.40 C K Index: -7.70 Risk: None Sweat Index: 147.00 Risk: None Energy Index: 6.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.52 J/kg Max Up Vert Vel: 2.66 m/s Conv Inhibition (B-): 73910.15 J/kg Cap Strength: 24.61 C Lift Cond Lev (LCL): 868.11 mb = 1234.82 m = 4051.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 38 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 1003 112 255 5 4.8 1.3 | 140 35 -22.8 27.1 1 1000 137 265 8 8.0 0.7 | 144 33 -19.6 26.5 2 979 305 280 16 15.8 -2.8 | 153 26 -11.8 23.0 3 941 610 285 25 24.1 -6.5 | 170 20 -3.4 19.4 4 925 746 285 30 29.0 -7.8 | 184 18 1.4 18.1 5 905 914 280 35 34.5 -6.1 | 199 21 6.9 19.7 6 870 1219 275 40 39.8 -3.5 | 209 25 12.3 22.3 7 850 1396 275 42 41.8 -3.7 | 213 26 14.3 22.2 8 803 1829 275 42 41.8 -3.7 | 213 26 14.3 22.2 9 772 2134 285 39 37.7 -10.1 | 213 19 10.1 15.7 10 742 2438 285 45 43.5 -11.6 | 228 21 15.9 14.2 11 713 2743 285 45 43.5 -11.6 | 228 21 15.9 14.2 12 700 2887 280 49 48.3 -8.5 | 230 27 20.7 17.3 13 631 3658 290 62 58.3 -21.2 | 261 31 30.7 4.6 14 582 4267 285 59 57.0 -15.3 | 250 31 29.4 10.6 15 559 4572 280 73 71.9 -12.7 | 253 46 44.3 13.1 16 536 4877 285 69 66.6 -17.9 | 258 40 39.1 8.0 17 500 5400 285 63 60.9 -16.3 | 254 35 33.3 9.5 18 473 5791 280 63 62.0 -10.9 | 247 38 34.5 14.9 19 453 6096 285 60 58.0 -15.5 | 251 32 30.4 10.3 20 400 6990 290 60 56.4 -20.5 | 260 29 28.8 5.3 21 381 7315 290 58 54.5 -19.8 | 257 28 26.9 6.0 22 364 7620 290 63 59.2 -21.5 | 262 32 31.6 4.3 23 300 8920 295 73 66.2 -30.9 | 277 39 38.6 -5.0 24 290 9144 295 74 67.1 -31.3 | 278 40 39.5 -5.4 25 250 10070 295 77 69.8 -32.5 | 279 43 42.2 -6.7 26 238 10373 300 78 67.5 -39.0 | 288 42 40.0 -13.2 27 227 10668 305 78 63.9 -44.7 | 298 41 36.3 -18.9 28 210 11146 295 81 73.4 -34.2 | 280 47 45.8 -8.4 29 206 11278 295 81 73.4 -34.2 | 280 47 45.8 -8.4 30 200 11450 295 77 69.8 -32.5 | 279 43 42.2 -6.7 31 169 12497 295 66 59.8 -27.9 | 274 32 32.2 -2.1 32 150 13250 290 75 70.5 -25.7 | 270 43 42.9 0.2 33 133 14021 290 80 75.2 -27.4 | 272 48 47.6 -1.5 34 109 15240 290 75 70.5 -25.7 | 270 43 42.9 0.2 35 100 15770 285 76 73.4 -19.7 | 262 46 45.8 6.2 36 94 16154 285 76 73.4 -19.7 | 262 46 45.8 6.2 37 89 16459 290 82 77.1 -28.0 | 273 50 49.5 -2.2 38 70 17950 280 79 77.8 -13.7 | 256 52 50.2 12.1 39 60 18898 290 65 61.1 -22.2 | 264 34 33.5 3.6 40 50 19970 275 63 62.8 -5.5 | 240 41 35.2 20.3 41 49 20117 280 59 58.1 -10.2 | 243 34 30.5 15.6 42 40 21336 265 75 74.7 6.5 | 236 57 47.1 32.4 43 38 21641 255 69 66.6 17.9 | 222 59 39.1 43.7 44 36 21946 270 70 70.0 -0.0 | 239 50 42.4 25.8 45 32 22555 270 87 87.0 -0.0 | 247 65 59.4 25.8 46 30 22990 275 82 81.7 -7.1 | 251 57 54.1 18.7 47 24 24384 275 75 74.7 -6.5 | 248 51 47.1 19.3 48 23 24689 270 74 74.0 -0.0 | 241 53 46.4 25.8 49 20 25400 240 91 78.8 45.5 | 216 88 51.2 71.3 50 19 25603 240 87 75.3 43.5 | 215 84 47.8 69.3 51 18 26213 245 105 95.2 44.4 | 224 97 67.6 70.2 52 17 26518 245 95 86.1 40.1 | 222 88 58.5 66.0 53 16 26822 250 116 109.0 39.7 | 231 104 81.4 65.5 54 14 27432 260 117 115.2 20.3 | 242 99 87.6 46.1 55 12 28651 260 132 130.0 22.9 | 245 113 102.4 48.7 56 10 29566 255 108 104.3 28.0 | 235 94 76.7 53.8 57 10 29620 245 128 116.0 54.1 | 228 119 88.4 79.9 Wind Parameters Mean winds (0-6000m): 283.1 at 50.4 knts Storm direction: 313.1 at 37.8 knts Shear (0-3000m) pos: 4.5 neg: 4.4 tot: 8.9 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 248.0 neg: -0.7 tot: 247.3 m^2/s^2 ave: 82.4 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 6.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 147.61 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 ------------------------------------------------------------------------------- 500 281 17 154 25| 21.5 0.0 21.5| 97.1 0.0 97.1 194.2 0.65| 21.7 14.1 1000 281 25 172 21| 10.8 7.1 17.9|161.4 0.0 161.4 161.4 0.73| 18.3 13.4 1500 278 30 186 22| 7.2 6.1 13.3|181.5 0.0 181.5 121.0 0.73| 13.6 10.0 2000 278 33 194 22| 5.4 4.6 9.9|182.8 -0.7 182.1 91.0 0.62| 12.0 7.5 2500 280 35 199 21| 5.4 3.7 9.1|211.0 -0.7 210.3 84.1 0.66| 10.8 7.1 3000 280 37 205 21| 4.5 4.4 8.9|248.0 -0.7 247.3 82.4 0.63| 10.7 6.8 4000 283 43 221 22| 4.7 3.3 8.0|329.3 -33.5 295.8 73.9 0.60| 10.0 6.0 5000 283 48 232 24| 3.6 4.1 7.7|385.2 -52.8 332.3 66.5 0.48| 10.5 5.1 6000 283 50 236 26| 3.0 3.3 6.3|409.8-110.8 299.0 49.8 0.40| 10.0 3.9 Wrote GIF file: /home/apache/climate/data/raob//CAYT/skewt/CAYT.skewt.20251217.12.gif