UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for CAYT... Searching the city database file for: CAYT ... Date:0000Z 18 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 85 205 10 SFC 997 112 3.8 1.5 85 2.3 2.8 205 10 277.2 277.9 276.1 288.9 4.27 2 942 570 1.4 1.4 100 0.0 1.4 229 47 279.3 280.0 277.5 291.7 4.49 3 925 716 1.0 1.0 100 0.0 1.0 235 54 280.3 281.1 278.0 292.6 4.44 4 894 990 0.4 -0.4 94 0.8 0.0 247 58 282.5 283.2 278.7 294.1 4.15 5 850 1392 -2.5 -2.8 98 0.3 -2.6 255 59 283.5 284.2 278.6 293.9 3.66 6 844 1448 -3.1 -3.1 100 0.0 -3.1 254 59 283.5 284.1 278.4 293.7 3.60 7 814 1734 -5.1 -5.1 100 0.0 -5.1 251 58 284.3 284.9 278.4 293.5 3.21 8 812 1753 -5.1 -8.2 79 3.1 -6.2 251 58 284.5 284.9 277.6 291.8 2.53 9 806 1811 -4.9 -7.9 79 3.0 -6.0 250 58 285.3 285.8 278.1 292.9 2.61 10 802 1851 -5.5 -16.5 42 11.0 -8.5 250 58 285.1 285.3 276.2 289.0 1.31 11 799 1880 -5.1 -24.1 21 19.0 -9.4 250 58 285.8 285.9 275.6 287.9 0.68 12 793 1940 -2.3 -28.3 12 26.0 -8.0 250 58 289.4 289.5 277.1 290.9 0.47 13 785 2020 -1.7 -19.7 24 18.0 -6.7 250 58 290.9 291.1 278.6 294.1 1.02 14 767 2204 -3.3 -10.3 58 7.0 -5.8 250 58 291.1 291.5 280.4 297.9 2.27 15 754 2339 -4.1 -12.1 54 8.0 -6.8 250 57 291.7 292.0 280.3 297.7 2.00 16 742 2466 -4.3 -26.3 16 22.0 -9.4 250 56 292.8 292.9 279.0 294.7 0.60 17 728 2616 -5.1 -13.1 53 8.0 -7.7 250 55 293.5 293.9 281.0 299.3 1.91 18 718 2725 -4.7 -9.5 69 4.8 -6.4 250 55 295.1 295.6 282.5 302.9 2.59 19 714 2769 -4.9 -9.9 68 5.0 -6.7 251 55 295.4 295.8 282.6 303.0 2.52 20 700 2924 -6.3 -9.9 76 3.6 -7.6 255 52 295.5 296.0 282.7 303.3 2.57 21 660 3382 -9.7 -11.6 86 1.9 -10.4 260 56 296.7 297.1 283.0 304.0 2.38 22 637 3657 -8.3 -9.2 93 0.9 -8.7 265 46 301.3 301.9 285.5 310.5 2.99 23 602 4094 -10.9 -11.4 96 0.5 -11.1 270 41 303.2 303.7 285.8 311.5 2.66 24 504 5441 -18.7 -20.1 89 1.4 -19.1 251 44 309.5 309.8 286.9 314.6 1.54 25 500 5500 -19.1 -20.6 88 1.5 -19.5 255 44 309.8 310.0 286.9 314.6 1.48 26 400 7120 -32.1 -34.8 77 2.7 -32.4 260 52 313.3 313.4 287.1 315.0 0.50 27 387 7352 -34.1 -36.5 79 2.4 -34.4 262 53 313.6 313.7 287.1 315.2 0.43 28 379 7498 -35.5 -41.5 54 6.0 -36.0 264 53 313.7 313.7 286.9 314.6 0.27 29 357 7910 -39.3 -44.1 60 4.8 -39.6 268 57 314.0 314.0 287.0 314.7 0.21 30 300 9080 -47.5 -51.8 61 4.3 -47.7 280 71 318.4 318.4 288.3 318.8 0.11 31 296 9169 -47.9 -52.0 63 4.1 -48.1 280 72 319.1 319.1 288.6 319.5 0.11 32 290 9304 -49.3 -52.7 67 3.4 -49.4 279 72 318.9 319.0 288.5 319.3 0.10 33 253 10185 -57.1 -61.5 57 4.4 -57.2 275 74 320.1 320.1 288.8 320.2 0.04 34 250 10260 -57.7 -62.5 54 4.8 -57.8 275 74 320.3 320.3 288.9 320.4 0.03 35 207 11429 -65.1 -70.1 50 5.0 -65.1 275 84 326.4 326.4 290.7 326.5 0.01 36 204 11518 -64.9 -70.9 43 6.0 -65.0 277 85 328.1 328.1 291.2 328.2 0.01 37 202 11579 -62.1 -69.1 39 7.0 -62.1 279 86 333.5 333.5 292.7 333.5 0.02 38 200 11640 -62.1 -72.1 25 10.0 -62.2 280 87 334.4 334.4 292.9 334.5 0.01 39 191 11925 -60.9 -78.9 8 18.0 -61.0 275 87 340.8 340.8 294.5 340.8 0.00 40 184 12155 -62.3 -79.3 9 17.0 -62.4 275 79 342.2 342.2 294.8 342.2 0.00 41 177 12396 -58.9 -80.9 4 22.0 -59.1 275 72 351.6 351.6 297.0 351.6 0.00 42 172 12576 -58.7 -81.7 4 23.0 -58.9 275 69 354.8 354.8 297.7 354.8 0.00 43 155 13232 -56.1 -81.1 3 25.0 -56.4 275 70 369.9 369.9 300.5 370.0 0.00 44 150 13440 -56.5 -81.5 3 25.0 -56.8 275 70 372.7 372.7 301.1 372.7 0.00 45 144 13698 -56.3 -82.3 2 26.0 -56.6 276 72 377.5 377.5 301.8 377.5 0.00 46 139 13922 -54.7 -81.7 2 27.0 -55.1 276 74 384.1 384.1 302.9 384.1 0.00 47 130 14347 -57.3 -84.3 2 27.0 -57.6 278 78 386.9 386.9 303.3 386.9 0.00 48 126 14544 -56.5 -84.5 2 28.0 -56.9 278 79 391.8 391.8 304.0 391.8 0.00 49 125 14594 -54.7 -83.7 2 29.0 -55.2 278 80 395.9 395.9 304.6 396.0 0.00 50 109 15461 -58.0 -85.5 2 27.6 -58.3 280 89 405.6 405.6 305.9 405.6 0.00 51 103 15816 -59.3 -86.3 2 27.0 -59.6 286 81 409.7 409.7 306.5 409.7 0.00 52 100 16000 -60.9 -86.9 2 26.0 -61.2 290 75 410.1 410.1 306.5 410.1 0.00 53 84 17071 -65.3 -87.3 3 22.0 -65.5 283 72 422.1 422.1 308.0 422.1 0.00 54 76 17681 -64.3 -87.3 3 23.0 -64.5 282 75 436.4 436.4 309.5 436.4 0.00 55 70 18180 -67.1 -88.1 4 21.0 -67.2 285 67 440.8 440.8 310.0 440.8 0.00 56 50 20200 -70.1 -90.1 4 20.0 -70.2 290 63 478.3 478.3 313.3 478.3 0.00 57 38 21809 -76.5 -92.5 6 16.0 -76.6 283 74 501.0 501.0 315.0 501.1 0.00 58 30 23180 -74.5 -92.5 5 18.0 -74.6 290 87 541.5 541.5 317.6 541.6 0.00 59 26 24019 -70.1 -91.1 3 21.0 -70.4 295 85 576.7 576.7 319.5 576.7 0.00 60 20 25560 -74.1 -93.1 4 19.0 -74.3 280 74 609.4 609.4 321.0 609.4 0.00 61 16 26856 -75.5 -94.5 4 19.0 -75.7 269 82 644.9 644.9 322.5 645.0 0.00 62 13 28096 -63.3 -91.3 1 28.0 -64.6 269 92 726.6 726.6 325.3 726.7 0.01 63 12 28594 -57.7 -89.7 1 32.0 -60.2 272 96 763.3 763.3 326.3 763.4 0.01 64 11 29146 -55.5 -87.5 1 32.0 -58.8 275 101 790.5 790.5 327.0 790.7 0.02 TRP 207 11429 -65.1 -70.1 50 5.0 -65.1 275 84 326.4 326.4 290.7 326.5 0.01 WND 109 15461 -58.0 -85.5 2 27.6 -58.3 280 89 405.6 405.6 305.9 405.6 0.00 Sounding variables and indices 1000-500 mb thick: 5415.00 m Freezing level: 887.93 mb = 1045.07 m = 3428.68 ft Wetbulb zero: 893.19 mb = 996.79 m = 3270.28 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 82.97 % Est. max temperature: 10.11 C = 50.19 F Sfc-Lift cond lev (LCL): 962.14 mb = 399.13 m = 1309.46 ft T: 2.29 C 700-500 lapse rate: 4.97 C/km ThetaE index: 4.95 C Layer 802.0- 793.0 mb Conv cond level (CCL): 892.11 mb = 1006.45 m = 3301.95 ft Mean mixing ratio: 4.38 g/kg Conv temperature: 9.11 C = 48.40 F Cap Strength: 15.91 C Lifted Index: 16.04 C Risk: None Lifted Index @300 mb: 19.16 C Lifted Index @700 mb: 8.33 C Showalter Index: 14.22 C Risk: None Total Totals Index: 32.90 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 16.30 C K Index: 10.20 Risk: None Sweat Index: 162.00 Risk: None Energy Index: 4.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.83 J/kg Max Up Vert Vel: 6.14 m/s Conv Inhibition (B-): 52984.25 J/kg Cap Strength: 15.87 C Lift Cond Lev (LCL): 934.91 mb = 630.42 m = 2068.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 37 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 ---------------------------------------------------------- 0 997 112 205 10 4.2 9.1 | 120 37 -31.6 18.3 1 973 305 220 32 20.6 24.5 | 156 37 -15.3 33.8 2 937 610 230 49 37.5 31.5 | 182 41 1.7 40.8 3 925 716 235 54 44.2 31.0 | 192 41 8.4 40.2 4 902 914 245 57 51.7 24.1 | 205 37 15.8 33.4 5 869 1219 255 60 58.0 15.5 | 222 33 22.1 24.8 6 850 1392 255 59 57.0 15.3 | 221 32 21.2 24.5 7 804 1829 250 58 54.5 19.8 | 213 35 18.7 29.1 8 774 2134 250 58 54.5 19.8 | 213 35 18.7 29.1 9 744 2438 250 56 52.6 19.2 | 211 33 16.8 28.4 10 716 2743 250 55 51.7 18.8 | 209 32 15.9 28.1 11 700 2924 255 52 50.2 13.5 | 212 27 14.4 22.7 12 662 3353 260 57 56.1 9.9 | 227 28 20.3 19.2 13 636 3658 265 46 45.8 4.0 | 217 17 10.0 13.3 14 611 3962 270 39 39.0 -0.0 | 199 10 3.2 9.3 15 587 4267 270 43 43.0 -0.0 | 218 12 7.2 9.3 16 542 4877 265 46 45.8 4.0 | 217 17 10.0 13.3 17 501 5486 250 44 41.3 15.0 | 193 25 5.5 24.3 18 500 5500 255 44 42.5 11.4 | 198 22 6.7 20.7 19 461 6096 260 49 48.3 8.5 | 215 22 12.4 17.8 20 400 7120 260 52 51.2 9.0 | 220 24 15.4 18.3 21 372 7620 265 54 53.8 4.7 | 232 23 18.0 14.0 22 300 9080 280 71 69.9 -12.3 | 275 34 34.1 -3.1 23 297 9144 280 72 70.9 -12.5 | 275 35 35.1 -3.2 24 250 10260 275 74 73.7 -6.4 | 266 38 37.9 2.8 25 234 10668 275 80 79.7 -7.0 | 267 44 43.9 2.3 26 207 11429 275 84 83.7 -7.3 | 268 48 47.8 1.9 27 200 11640 280 87 85.7 -15.1 | 277 50 49.8 -5.8 28 192 11887 275 88 87.7 -7.7 | 268 52 51.8 1.6 29 174 12497 275 69 68.7 -6.0 | 264 33 32.9 3.2 30 150 13440 275 70 69.7 -6.1 | 265 34 33.9 3.2 31 113 15240 280 85 83.7 -14.8 | 277 48 47.9 -5.5 32 109 15461 280 89 87.6 -15.5 | 277 52 51.8 -6.2 33 108 15545 280 89 87.6 -15.5 | 277 52 51.8 -6.2 34 100 16000 290 75 70.5 -25.7 | 295 38 34.6 -16.4 35 98 16154 290 76 71.4 -26.0 | 295 39 35.6 -16.7 36 80 17374 280 71 69.9 -12.3 | 275 34 34.1 -3.1 37 72 17983 285 79 76.3 -20.4 | 285 42 40.5 -11.2 38 70 18180 285 67 64.7 -17.3 | 286 30 28.9 -8.1 39 50 20200 290 63 59.2 -21.5 | 298 26 23.4 -12.3 40 48 20422 290 55 51.7 -18.8 | 301 19 15.9 -9.5 41 46 20726 285 69 66.6 -17.9 | 286 32 30.8 -8.6 42 41 21336 280 70 68.9 -12.2 | 275 33 33.1 -2.9 43 30 23180 290 87 81.8 -29.8 | 294 50 45.9 -20.5 44 27 23774 290 89 83.6 -30.4 | 294 52 47.8 -21.2 45 23 24689 310 75 57.5 -48.2 | 331 45 21.6 -38.9 46 21 25298 285 66 63.8 -17.1 | 286 29 27.9 -7.8 47 20 25560 280 74 72.9 -12.8 | 276 37 37.0 -3.6 48 15 26518 265 85 84.7 7.4 | 251 52 48.8 16.7 49 11 27432 275 102 101.6 -8.9 | 270 66 65.8 0.4 50 9 28042 280 115 113.3 -20.0 | 278 78 77.4 -10.7 51 5 29870 265 98 97.6 8.5 | 254 64 61.8 17.8 Wind Parameters Mean winds (0-6000m): 254.5 at 49.3 knts Storm direction: 284.5 at 37.0 knts Shear (0-3000m) pos: 9.0 neg: 0.7 tot: 9.6 10-3/s Storm rel Dir Shear (0-3000m): 98.5 deg Storm rel helicity (0-3000m) pos: 691.1 neg: -60.6 tot: 630.5 m^2/s^2 ave: 210.2 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 14.7 stream: 11.0 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.20 Bulk Shear: 95.92 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 ------------------------------------------------------------------------------- 500 224 33 159 36| 41.4 0.0 41.4|402.6 0.0 402.6 805.2 0.99| 42.5 42.1 1000 235 44 181 35| 27.0 0.0 27.0|628.4 0.0 628.4 628.4 0.97| 33.4 32.5 1500 243 49 194 33| 17.9 0.0 17.9|658.4 -23.7 634.8 423.2 0.89| 24.7 21.9 2000 245 52 199 33| 13.4 0.7 14.1|658.4 -44.5 613.9 306.9 0.83| 19.2 15.8 2500 246 53 202 33| 10.8 0.8 11.6|658.4 -58.8 599.6 239.9 0.78| 15.9 12.3 3000 247 53 204 32| 9.0 0.7 9.6|691.1 -60.6 630.5 210.2 0.75| 14.7 11.0 4000 251 52 207 29| 5.4 0.5 5.9|719.0 -88.5 630.5 157.6 0.57| 14.1 8.0 5000 254 50 208 26| 4.3 1.0 5.3|724.1-106.0 618.0 123.6 0.50| 12.4 6.2 6000 254 49 208 25| 4.0 1.1 5.1|767.9-129.6 638.3 106.4 0.47| 11.6 5.5 Wrote GIF file: /home/apache/climate/data/raob//CAYT/skewt/CAYT.skewt.20251218.00.gif