UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for CAYT... Searching the city database file for: CAYT ... Date:0000Z 4 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 -169 SFC 966 112 2.2 2.1 99 0.1 2.1 30 15 278.1 278.9 277.0 290.7 4.61 2 925 461 0.2 0.2 100 0.0 0.2 55 33 279.5 280.2 277.2 291.1 4.19 3 921 496 0.0 0.0 100 0.0 0.0 59 32 279.7 280.4 277.2 291.1 4.15 4 905 637 3.0 3.0 100 0.0 3.0 72 28 284.1 285.1 280.8 298.8 5.25 5 883 837 4.4 4.4 100 0.0 4.4 89 13 287.6 288.6 283.1 304.4 5.94 6 850 1148 4.6 4.3 98 0.3 4.4 225 9 291.0 292.1 284.8 308.5 6.13 7 832 1322 4.2 3.8 97 0.4 4.0 220 13 292.3 293.4 285.2 309.8 6.05 8 808 1560 2.6 2.6 100 0.0 2.6 210 16 293.1 294.1 285.2 309.6 5.72 9 706 2640 -3.9 -12.9 50 9.0 -7.0 214 15 297.4 297.8 282.8 303.6 2.00 10 700 2707 -3.9 -15.9 39 12.0 -7.7 210 15 298.2 298.5 282.6 303.1 1.58 11 683 2901 -4.7 -23.7 21 19.0 -9.6 210 17 299.4 299.5 282.2 302.1 0.83 12 670 3052 -3.9 -40.9 4 37.0 -10.4 210 19 301.9 302.0 282.4 302.5 0.16 13 570 4301 -14.9 -39.9 10 25.0 -18.4 211 25 303.3 303.3 283.0 304.0 0.21 14 500 5280 -21.5 -51.5 5 30.0 -24.2 220 26 306.8 306.8 284.2 307.1 0.07 15 483 5533 -23.7 -52.7 5 29.0 -26.1 225 26 307.2 307.2 284.3 307.4 0.06 16 440 6209 -26.3 -62.3 2 36.0 -28.5 218 24 312.2 312.2 286.1 312.3 0.02 17 400 6890 -30.3 -62.3 3 32.0 -32.0 215 34 315.6 315.6 287.3 315.7 0.02 18 375 7348 -33.3 -63.3 3 30.0 -34.7 215 40 317.5 317.5 287.9 317.6 0.02 19 322 8413 -37.5 -67.5 3 30.0 -38.6 216 53 325.9 325.9 290.5 325.9 0.01 20 300 8900 -39.9 -69.9 3 30.0 -40.8 220 62 329.1 329.1 291.5 329.2 0.01 21 264 9758 -45.1 -72.1 3 27.0 -45.7 217 69 333.8 333.8 292.7 333.8 0.01 22 250 10120 -44.7 -74.7 2 30.0 -45.4 220 66 339.6 339.6 294.2 339.6 0.01 23 246 10229 -44.1 -75.1 2 31.0 -44.9 220 64 342.1 342.1 294.8 342.1 0.01 24 219 11004 -48.5 -77.5 2 28.9 -49.1 215 76 346.8 346.8 295.9 346.8 0.00 25 208 11343 -50.5 -78.5 2 28.0 -51.0 217 75 348.9 348.9 296.4 348.9 0.00 26 200 11600 -49.3 -79.3 2 30.0 -49.8 225 69 354.7 354.7 297.6 354.7 0.00 27 166 12803 -54.5 -82.5 2 28.0 -54.8 237 60 365.4 365.4 299.7 365.4 0.00 28 156 13200 -54.5 -82.5 2 28.0 -54.9 239 64 372.0 372.0 300.9 372.0 0.00 29 150 13450 -54.7 -82.7 2 28.0 -55.1 250 58 375.8 375.8 301.6 375.8 0.00 30 138 13984 -55.3 -83.3 2 28.0 -55.7 248 53 383.8 383.8 302.9 383.9 0.00 31 109 15467 -62.5 -85.5 3 23.0 -62.7 253 44 397.1 397.1 304.8 397.1 0.00 32 105 15699 -61.7 -85.7 3 24.0 -61.9 256 48 402.9 402.9 305.6 402.9 0.00 33 100 16000 -63.5 -86.5 3 23.0 -63.7 260 53 405.0 405.0 305.9 405.0 0.00 34 97 16187 -64.3 -86.3 3 22.0 -64.5 265 56 407.0 407.0 306.1 407.0 0.00 35 80 17383 -58.5 -86.5 2 28.0 -58.9 285 47 442.0 442.0 310.1 442.0 0.00 36 70 18220 -59.9 -86.9 2 27.0 -60.3 265 27 456.2 456.2 311.4 456.3 0.00 37 68 18400 -60.1 -87.1 2 27.0 -60.5 265 27 459.6 459.6 311.7 459.6 0.00 38 59 19289 -57.5 -86.5 1 29.0 -58.2 272 36 484.5 484.5 313.8 484.5 0.00 39 55 19729 -59.3 -87.3 1 28.0 -59.9 258 32 490.2 490.2 314.2 490.2 0.00 40 51 20204 -55.9 -85.9 1 30.0 -56.8 274 34 508.9 508.9 315.6 508.9 0.00 41 50 20330 -56.1 -86.1 1 30.0 -57.0 280 25 511.3 511.3 315.7 511.3 0.00 42 36 22378 -64.3 -89.3 2 25.0 -64.8 275 29 540.4 540.4 317.5 540.4 0.00 43 34 22730 -61.9 -88.9 2 27.0 -62.6 278 30 555.6 555.6 318.4 555.7 0.00 44 30 23500 -64.1 -89.1 2 25.0 -64.7 300 27 569.9 569.9 319.2 569.9 0.00 45 27 24140 -65.7 -90.7 2 25.0 -66.2 299 25 582.8 582.8 319.8 582.9 0.00 46 20 25980 -60.9 -88.9 1 28.0 -62.1 315 40 649.8 649.8 322.7 649.8 0.01 47 19 26300 -60.7 -88.7 1 28.0 -62.0 315 40 660.0 660.0 323.0 660.0 0.01 48 18 26635 -62.3 -89.3 2 27.0 -63.4 327 37 665.2 665.2 323.3 665.3 0.01 49 16 27369 -58.9 -87.9 1 29.0 -60.7 331 35 699.1 699.1 324.4 699.2 0.01 50 14 28204 -61.1 -88.1 2 27.0 -62.7 325 40 718.9 718.9 325.0 719.0 0.01 51 12 29169 -58.1 -87.1 1 29.0 -60.5 325 45 761.9 761.9 326.3 762.0 0.02 52 10 30310 -61.3 -89.3 1 28.0 -63.3 340 56 790.7 790.7 327.0 790.8 0.01 53 7.4 32186 -59.5 -87.5 1 28.0 -62.5 869.2 869.2 328.8 869.4 0.02 54 6.3 33200 -56.7 -86.7 1 30.0 -61.0 922.0 922.1 329.8 922.4 0.03 55 5.6 33956 -51.5 -84.5 1 33.0 -58.3 976.5 976.6 330.8 977.1 0.06 TRP 97 16187 -64.3 -86.3 3 22.0 -64.5 265 56 407.0 407.0 306.1 407.0 0.00 WND 219 11004 -48.5 -77.5 2 28.9 -49.1 215 76 346.8 346.8 295.9 346.8 0.00 Sounding variables and indices 1000-500 mb thick: 5449.00 m Freezing level: 767.20 mb = 1991.87 m = 6534.92 ft Wetbulb zero: 780.26 mb = 1839.58 m = 6035.30 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 47.42 % Est. max temperature: 16.80 C = 62.24 F Sfc-Lift cond lev (LCL): 964.36 mb = 125.67 m = 412.30 ft T: 2.12 C 700-500 lapse rate: 6.84 C/km ThetaE index: 7.70 C Layer 808.0- 670.0 mb Conv cond level (CCL): 966.00 mb = 112.00 m = 367.45 ft Mean mixing ratio: 4.99 g/kg Conv temperature: 3.21 C = 37.78 F Cap Strength: 10.03 C Lifted Index: 9.95 C Risk: None Lifted Index @300 mb: 23.19 C Lifted Index @700 mb: 7.56 C Showalter Index: 1.74 C Risk: Showers probable Total Totals Index: 51.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 25.80 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 153.60 Risk: None Energy Index: -0.26 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 55.30 J/kg Max Up Vert Vel: 10.52 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 9.92 C Lift Cond Lev (LCL): 915.53 mb = 543.90 m = 1784.41 ft Lev Free Conv (LFC): 910.53 mb = 588.08 m = 1929.38 ft Equ Level (EL): 900.53 mb = 677.51 m = 2222.78 ft B at Equ Level: 50.12 J/kg Max Parcel Lev (MPL): 860.53 mb = 1047.63 m = 3437.05 ft Wind level data Storm motion: 240 at 16 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 ---------------------------------------------------------- 0 966 112 30 15 -7.5 -13.0 | 45 30 -21.3 -21.0 1 943 305 50 28 -21.4 -18.0 | 54 44 -35.3 -26.0 2 925 461 55 33 -27.0 -18.9 | 57 49 -40.9 -26.9 3 908 610 70 30 -28.2 -10.3 | 67 46 -42.0 -18.3 4 875 914 95 8 -8.0 0.7 | 71 23 -21.8 -7.3 5 850 1148 225 9 6.4 6.4 | 78 8 -7.5 -1.6 6 842 1219 225 11 7.8 7.8 | 88 6 -6.1 -0.2 7 811 1524 210 17 8.5 14.7 | 141 9 -5.3 6.7 8 781 1829 210 11 5.5 9.5 | 100 8 -8.3 1.5 9 752 2134 210 12 6.0 10.4 | 107 8 -7.8 2.4 10 724 2438 225 14 9.9 9.9 | 116 4 -3.9 1.9 11 700 2707 210 15 7.5 13.0 | 128 8 -6.3 5.0 12 697 2743 210 14 7.0 12.1 | 121 8 -6.8 4.1 13 618 3658 210 30 15.0 26.0 | 184 18 1.2 18.0 14 594 3962 210 26 13.0 22.5 | 177 15 -0.8 14.5 15 571 4267 210 25 12.5 21.7 | 174 14 -1.3 13.6 16 549 4572 225 28 19.8 19.8 | 207 13 6.0 11.8 17 527 4877 210 29 14.5 25.1 | 182 17 0.7 17.1 18 506 5182 205 25 10.6 22.7 | 167 15 -3.3 14.6 19 500 5280 220 26 16.7 19.9 | 194 12 2.9 11.9 20 466 5791 230 25 19.2 16.1 | 213 10 5.3 8.1 21 447 6096 220 23 14.8 17.6 | 186 10 0.9 9.6 22 410 6706 210 30 15.0 26.0 | 184 18 1.2 18.0 23 400 6890 215 34 19.5 27.9 | 196 21 5.7 19.8 24 360 7620 215 43 24.7 35.2 | 202 29 10.8 27.2 25 345 7925 225 45 31.8 31.8 | 217 30 18.0 23.8 26 330 8230 215 50 28.7 41.0 | 204 36 14.8 32.9 27 300 8900 220 62 39.9 47.5 | 213 47 26.0 39.5 28 289 9144 215 63 36.1 51.6 | 207 49 22.3 43.6 29 276 9449 215 71 40.7 58.2 | 208 57 26.9 50.1 30 250 10120 220 66 42.4 50.6 | 214 51 28.6 42.5 31 241 10363 220 61 39.2 46.7 | 213 46 25.4 38.7 32 230 10668 215 64 36.7 52.4 | 207 50 22.9 44.4 33 219 11004 215 76 43.6 62.3 | 209 62 29.7 54.2 34 210 11278 215 76 43.6 62.3 | 209 62 29.7 54.2 35 200 11600 225 69 48.8 48.8 | 221 54 34.9 40.8 36 174 12497 235 57 46.7 32.7 | 233 41 32.8 24.7 37 151 13411 240 66 57.2 33.0 | 240 50 43.3 25.0 38 150 13450 250 58 54.5 19.8 | 254 42 40.7 11.8 39 144 13716 250 55 51.7 18.8 | 254 39 37.8 10.8 40 118 14935 240 46 39.8 23.0 | 240 30 26.0 15.0 41 113 15240 250 41 38.5 14.0 | 256 25 24.7 6.0 42 100 16000 260 53 52.2 9.2 | 268 38 38.3 1.2 43 98 16154 260 53 52.2 9.2 | 268 38 38.3 1.2 44 97 16187 265 56 55.8 4.9 | 274 42 41.9 -3.1 45 84 17069 260 51 50.2 8.9 | 269 36 36.4 0.8 46 80 17374 285 47 45.4 -12.2 | 303 37 31.6 -20.2 47 76 17678 275 37 36.9 -3.2 | 296 26 23.0 -11.2 48 73 17983 295 35 31.7 -14.8 | 322 29 17.9 -22.8 49 70 18220 265 27 26.9 2.4 | 293 14 13.1 -5.7 50 66 18593 265 26 25.9 2.3 | 295 13 12.1 -5.7 51 60 19202 275 37 36.9 -3.2 | 296 26 23.0 -11.2 52 54 19812 255 31 29.9 8.0 | 270 16 16.1 0.0 53 52 20117 270 41 41.0 -0.0 | 286 28 27.2 -8.0 54 50 20330 280 25 24.6 -4.3 | 319 16 10.8 -12.4 55 49 20422 280 34 33.5 -5.9 | 305 24 19.6 -13.9 56 47 20726 275 25 24.9 -2.2 | 313 15 11.1 -10.2 57 45 21031 255 33 31.9 8.5 | 268 18 18.0 0.5 58 43 21336 275 28 27.9 -2.4 | 307 18 14.0 -10.5 59 39 21946 285 35 33.8 -9.1 | 311 26 20.0 -17.1 60 35 22555 270 27 27.0 -0.0 | 301 15 13.2 -8.0 61 33 22860 285 33 31.9 -8.5 | 313 24 18.0 -16.6 62 30 23500 300 27 23.4 -13.5 | 336 24 9.5 -21.5 63 27 24079 305 25 20.5 -14.3 | 343 23 6.6 -22.4 64 26 24384 275 23 22.9 -2.0 | 318 14 9.1 -10.0 65 25 24689 305 37 30.3 -21.2 | 331 34 16.5 -29.2 66 22 25298 305 30 24.6 -17.2 | 337 27 10.7 -25.2 67 20 25908 320 38 24.4 -29.1 | 344 39 10.6 -37.1 68 20 25980 315 40 28.3 -28.3 | 338 39 14.4 -36.3 69 18 26518 315 40 28.3 -28.3 | 338 39 14.4 -36.3 70 17 26822 345 32 8.3 -30.9 | 8 39 -5.6 -38.9 71 16 27432 330 35 17.5 -30.3 | 355 38 3.7 -38.3 72 15 27737 325 37 21.2 -30.3 | 349 39 7.4 -38.3 73 11 29870 325 49 28.1 -40.1 | 344 50 14.3 -48.2 74 10 30310 340 56 19.2 -52.6 | 355 61 5.3 -60.6 Wind Parameters Mean winds (0-6000m): 209.9 at 21.3 knts Storm direction: 239.9 at 16.0 knts Shear (0-3000m) pos: 5.6 neg: 0.5 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 114.1 deg Storm rel helicity (0-3000m) pos: 290.7 neg: -17.4 tot: 273.3 m^2/s^2 ave: 91.1 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 16.7 stream: 5.8 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 0.18 Bulk Shear: 300.63 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 53 27 56 43| 21.4 0.0 21.4|185.8 0.0 185.8 371.5 0.56| 29.3 16.5 1000 62 21 61 37| 12.3 0.0 12.3|263.9 -4.7 259.2 259.2 0.39| 34.7 13.4 1500 75 19 68 34| 10.4 0.0 10.4|274.0 -9.0 265.1 176.7 0.38| 27.4 10.3 2000 101 17 81 31| 7.8 0.9 8.6|275.4 -17.4 258.0 129.0 0.32| 21.7 6.9 2500 143 16 102 24| 6.8 0.7 7.5|278.6 -17.4 261.2 104.5 0.32| 18.6 5.9 3000 175 16 118 17| 5.6 0.5 6.1|290.7 -17.4 273.3 91.1 0.35| 16.7 5.8 4000 198 19 141 13| 4.2 1.0 5.2|309.3 -25.4 284.0 71.0 0.34| 14.1 4.8 5000 205 21 154 12| 3.7 1.2 4.8|332.5 -62.0 270.5 54.1 0.28| 13.1 3.6 6000 210 21 163 11| 3.2 1.2 4.3|360.7 -72.8 287.8 48.0 0.28| 12.2 3.4 Wrote GIF file: /home/apache/climate/data/raob//CAYT/skewt/CAYT.skewt.20251204.00.gif