UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for CYCB... Searching the city database file for: CYCB ... Date:0000Z 25 DEC 25 Station: CYCB WMO ident: 71925 Latitude: 69.10 Longitude: -105.12 Elevation: 27.00 ------------------------------------------------------------------------------- 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 1002 27 -17.9 -19.7 86 1.8 -18.2 205 3 255.1 255.2 254.8 257.2 0.80 1 1000 51 -17.1 -18.7 87 1.6 -17.4 230 3 256.0 256.2 255.8 258.4 0.87 2 999 59 -16.9 -18.6 87 1.7 -17.2 231 3 256.3 256.5 256.0 258.7 0.88 3 925 632 -20.5 -22.5 84 2.0 -20.8 275 13 258.3 258.5 257.3 260.2 0.68 4 919 680 -20.7 -22.6 85 1.9 -21.0 276 14 258.6 258.7 257.5 260.5 0.68 5 892 901 -19.9 -21.5 87 1.6 -20.1 280 18 261.7 261.8 260.1 263.8 0.77 6 850 1262 -15.3 -16.8 88 1.5 -15.6 305 22 270.1 270.3 267.0 273.5 1.21 7 847 1289 -15.1 -16.7 88 1.6 -15.4 305 22 270.6 270.8 267.4 274.0 1.22 8 754 2159 -20.5 -23.0 80 2.5 -20.9 300 28 273.9 274.0 268.8 276.2 0.80 9 700 2708 -21.5 -24.1 79 2.6 -21.9 300 39 278.7 278.8 271.7 281.0 0.78 10 694 2771 -21.7 -24.4 79 2.7 -22.1 300 38 279.1 279.3 272.0 281.4 0.76 11 559 4331 -32.7 -35.4 77 2.7 -32.9 295 36 284.0 284.0 274.0 285.0 0.34 12 500 5110 -37.1 -40.4 71 3.3 -37.3 300 47 287.8 287.8 275.9 288.5 0.23 13 485 5320 -38.3 -41.5 72 3.2 -38.5 299 48 288.8 288.9 276.4 289.5 0.21 14 400 6620 -48.1 -50.3 78 2.2 -48.1 300 52 292.5 292.5 278.0 292.8 0.10 15 390 6786 -49.3 -51.3 79 2.0 -49.4 302 53 293.0 293.0 278.3 293.3 0.09 16 387 6837 -48.7 -52.6 64 3.9 -48.8 302 53 294.5 294.5 279.0 294.7 0.08 17 386 6854 -48.7 -52.2 67 3.5 -48.8 302 53 294.7 294.7 279.1 295.0 0.08 18 363 7253 -52.1 -53.6 84 1.5 -52.1 306 54 295.4 295.4 279.4 295.6 0.07 19 343 7617 -54.5 -58.2 64 3.7 -54.6 310 56 296.9 296.9 280.0 297.1 0.04 20 307 8317 -60.1 -64.7 54 4.7 -60.1 310 63 298.7 298.7 280.8 298.8 0.02 21 302 8419 -60.9 -65.7 53 4.8 -60.9 306 62 298.9 298.9 280.9 299.0 0.02 22 300 8460 -61.3 -66.1 53 4.8 -61.3 305 61 298.9 298.9 280.9 299.0 0.02 23 285 8776 -63.9 -67.5 61 3.6 -63.9 305 57 299.6 299.6 281.2 299.7 0.02 24 272 9064 -60.5 -69.5 30 9.0 -60.6 305 54 308.6 308.6 284.8 308.6 0.01 25 261 9321 -60.5 -70.5 26 10.0 -60.6 305 48 312.3 312.3 286.1 312.3 0.01 26 255 9466 -58.7 -68.7 26 10.0 -58.8 305 44 317.0 317.0 287.8 317.1 0.01 27 250 9590 -59.9 -69.9 26 10.0 -60.0 305 40 317.0 317.0 287.8 317.1 0.01 28 248 9640 -59.9 -69.9 26 10.0 -60.0 305 40 317.7 317.7 288.0 317.8 0.01 29 234 10003 -59.3 -74.3 13 15.0 -59.4 307 40 324.0 324.0 290.0 324.0 0.01 30 221 10362 -57.1 -77.1 6 20.0 -57.3 309 40 332.7 332.7 292.4 332.7 0.00 31 212 10623 -58.5 -77.5 7 19.0 -58.7 310 40 334.5 334.5 292.9 334.5 0.00 32 200 10990 -57.1 -81.1 3 24.0 -57.3 315 34 342.3 342.3 294.9 342.4 0.00 33 199 11022 -56.9 -80.9 3 24.0 -57.1 315 34 343.2 343.2 295.1 343.2 0.00 34 185 11485 -57.9 -81.9 3 24.0 -58.1 308 33 348.8 348.8 296.4 348.8 0.00 35 171 11986 -55.3 -82.3 2 27.0 -55.6 312 37 361.0 361.0 298.9 361.0 0.00 36 150 12820 -57.7 -83.7 2 26.0 -58.0 325 40 370.7 370.7 300.7 370.7 0.00 37 143 13120 -58.7 -83.7 3 25.0 -58.9 326 41 374.0 374.0 301.2 374.0 0.00 38 137 13390 -56.9 -83.9 2 27.0 -57.2 326 41 381.8 381.8 302.5 381.8 0.00 39 107 14939 -60.7 -85.7 2 25.0 -61.0 330 44 402.6 402.6 305.6 402.6 0.00 40 100 15360 -59.7 -85.7 2 26.0 -60.0 320 47 412.4 412.4 306.8 412.4 0.00 41 90 16018 -60.1 -86.1 2 26.0 -60.4 321 49 424.2 424.2 308.2 424.2 0.00 42 81 16671 -62.9 -86.9 3 24.0 -63.1 323 51 431.4 431.4 309.0 431.4 0.00 43 70 17570 -63.1 -88.1 2 25.0 -63.4 325 54 449.4 449.4 310.8 449.4 0.00 44 67 17840 -63.5 -87.5 2 24.0 -63.8 328 54 454.2 454.2 311.3 454.2 0.00 45 67 17840 -63.3 -87.3 2 24.0 -63.6 328 54 454.6 454.6 311.3 454.6 0.00 46 56 18934 -66.7 -88.7 3 22.0 -66.9 340 54 470.8 470.8 312.7 470.8 0.00 47 50 19620 -66.7 -88.7 3 22.0 -67.0 335 58 486.3 486.3 314.0 486.3 0.00 48 35 21758 -69.7 -90.7 3 21.0 -69.9 333 64 530.7 530.7 316.9 530.7 0.00 49 30 22680 -67.9 -89.9 3 22.0 -68.2 340 70 559.5 559.5 318.6 559.6 0.00 50 21 24809 -67.7 -91.7 2 24.0 -68.2 333 80 620.2 620.2 321.5 620.3 0.00 51 20 25100 -68.1 -92.1 2 24.0 -68.6 340 83 627.7 627.7 321.8 627.7 0.00 52 11 28664 -71.5 -93.5 2 22.0 -72.1 343 87 732.4 732.4 325.4 732.5 0.01 53 10 29230 -69.5 -93.5 2 24.0 -70.3 340 109 760.1 760.1 326.2 760.2 0.01 54 9.6 29474 -68.9 -92.9 2 24.0 -69.8 339 109 771.3 771.3 326.5 771.4 0.01 TRP 285 8776 -63.9 -67.5 61 3.6 -63.9 305 57 299.6 299.6 281.2 299.7 0.02 WND 307 8317 -60.1 -64.7 54 4.7 -60.1 310 63 298.7 298.7 280.8 298.8 0.02 Sounding variables and indices 1000-500 mb thick: 5059.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 80.45 % Est. max temperature: -3.29 C = 26.07 F Sfc-Lift cond lev (LCL): 972.87 mb = 255.98 m = 839.83 ft T: -18.14 C 700-500 lapse rate: 6.49 C/km ThetaE index: 0.00 C Layer 1002.0- 0.0 mb Conv cond level (CCL): 647.99 mb = 3266.04 m = 10715.24 ft Mean mixing ratio: 0.76 g/kg Conv temperature: 7.73 C = 45.92 F Cap Strength: 20.54 C Lifted Index: 23.00 C Risk: None Lifted Index @300 mb: 27.71 C Lifted Index @700 mb: 17.50 C Showalter Index: 11.98 C Risk: None Total Totals Index: 42.10 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.30 C K Index: 2.40 Risk: None Sweat Index: 91.00 Risk: None Energy Index: 3.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.97 J/kg Max Up Vert Vel: 4.89 m/s Conv Inhibition (B-): 66702.32 J/kg Cap Strength: 22.85 C Lift Cond Lev (LCL): 923.28 mb = 645.76 m = 2118.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 at 25 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 1002 27 205 3 1.3 2.7 | 152 27 -12.5 23.7 1 1000 51 230 3 2.3 1.9 | 153 26 -11.4 22.9 2 967 305 255 8 7.7 2.1 | 165 24 -6.0 23.0 3 928 610 270 11 11.0 -0.0 | 173 21 -2.7 20.9 4 925 632 275 13 13.0 -1.1 | 178 20 -0.8 19.8 5 891 914 280 18 17.7 -3.1 | 193 18 4.0 17.8 6 855 1219 300 21 18.2 -10.5 | 203 11 4.4 10.4 7 850 1262 305 22 18.0 -12.6 | 207 9 4.3 8.3 8 788 1829 305 23 18.8 -13.2 | 213 9 5.1 7.7 9 756 2134 300 27 23.4 -13.5 | 232 12 9.6 7.4 10 726 2438 305 38 31.1 -21.8 | 273 17 17.4 -0.9 11 700 2708 300 39 33.8 -19.5 | 266 20 20.0 1.4 12 697 2743 300 38 32.9 -19.0 | 264 19 19.2 1.9 13 613 3658 295 41 37.2 -17.3 | 261 24 23.4 3.6 14 563 4267 295 35 31.7 -14.8 | 251 19 18.0 6.1 15 517 4877 295 44 39.9 -18.6 | 265 26 26.1 2.3 16 500 5110 300 47 40.7 -23.5 | 275 27 27.0 -2.6 17 432 6096 295 54 48.9 -22.8 | 273 35 35.2 -1.9 18 413 6401 290 54 50.7 -18.5 | 266 37 37.0 2.5 19 400 6620 300 52 45.0 -26.0 | 279 32 31.3 -5.1 20 342 7620 310 56 42.9 -36.0 | 297 33 29.2 -15.1 21 307 8317 310 63 48.3 -40.5 | 300 40 34.5 -19.6 22 300 8460 305 61 50.0 -35.0 | 291 39 36.2 -14.1 23 296 8534 310 63 48.3 -40.5 | 300 40 34.5 -19.6 24 285 8776 305 57 46.7 -32.7 | 290 35 32.9 -11.8 25 269 9144 305 53 43.4 -30.4 | 288 31 29.7 -9.5 26 250 9590 305 40 32.8 -22.9 | 276 19 19.0 -2.0 27 211 10668 310 40 30.6 -25.7 | 286 18 16.9 -4.8 28 200 10990 315 34 24.0 -24.0 | 287 11 10.3 -3.1 29 191 11278 315 30 21.2 -21.2 | 272 7 7.5 -0.3 30 182 11582 305 35 28.7 -20.1 | 267 15 14.9 0.9 31 150 12820 325 40 22.9 -32.8 | 322 15 9.2 -11.8 32 107 14935 330 44 22.0 -38.1 | 334 19 8.3 -17.2 33 102 15240 320 40 25.7 -30.6 | 309 15 12.0 -9.7 34 100 15360 320 47 30.2 -36.0 | 312 22 16.5 -15.1 35 97 15545 320 47 30.2 -36.0 | 312 22 16.5 -15.1 36 70 17570 325 54 31.0 -44.2 | 324 29 17.2 -23.3 37 56 18898 340 54 18.5 -50.7 | 351 30 4.7 -29.8 38 50 19620 335 58 24.5 -52.6 | 341 33 10.8 -31.6 39 42 20726 325 63 36.1 -51.6 | 324 38 22.4 -30.7 40 38 21336 340 62 21.2 -58.3 | 349 38 7.5 -37.3 41 32 22250 325 66 37.9 -54.1 | 324 41 24.1 -33.1 42 30 22680 340 70 23.9 -65.8 | 347 46 10.2 -44.8 43 28 23165 340 76 26.0 -71.4 | 346 52 12.2 -50.5 44 25 23774 345 65 16.8 -62.8 | 356 42 3.1 -41.9 45 21 24689 335 84 35.5 -76.1 | 338 59 21.8 -55.2 46 20 24994 330 74 37.0 -64.1 | 332 49 23.3 -43.2 47 20 25100 340 83 28.4 -78.0 | 346 59 14.6 -57.1 48 19 25298 340 87 29.8 -81.8 | 345 63 16.0 -60.8 49 17 25908 330 79 39.5 -68.4 | 332 54 25.8 -47.5 50 14 27127 340 90 30.8 -84.6 | 345 66 17.0 -63.6 51 14 27432 340 87 29.8 -81.8 | 345 63 16.0 -60.8 52 13 27737 335 76 32.1 -68.9 | 339 51 18.4 -47.9 53 10 28956 345 91 23.6 -87.9 | 352 68 9.8 -67.0 54 10 29230 340 109 37.3 -102.4 | 344 85 23.5 -81.5 55 7 29870 335 110 46.5 -99.7 | 337 85 32.7 -78.8 Wind Parameters Mean winds (0-6000m): 296.7 at 33.4 knts Storm direction: 326.7 at 25.0 knts Shear (0-3000m) pos: 6.2 neg: 1.0 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 111.2 deg Storm rel helicity (0-3000m) pos: 150.8 neg: -14.1 tot: 136.7 m^2/s^2 ave: 45.6 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.11 Bulk Shear: 107.30 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 ------------------------------------------------------------------------------- 500 255 7 163 24| 9.4 0.0 9.4| 51.2 0.0 51.2 102.4 0.85| 9.6 8.1 1000 271 11 173 21| 9.7 0.0 9.7| 95.3 0.0 95.3 95.3 0.81| 10.5 8.5 1500 286 15 181 17| 7.9 0.0 7.9|104.2 0.0 104.2 69.5 0.70| 9.5 6.6 2000 293 17 187 15| 6.0 0.9 6.8|111.9 0.0 111.9 55.9 0.71| 8.0 5.7 2500 296 20 199 13| 7.4 0.7 8.1|150.8 -1.9 148.9 59.6 0.72| 9.3 6.7 3000 297 23 213 12| 6.2 1.0 7.2|150.8 -14.1 136.7 45.6 0.62| 8.3 5.2 4000 297 27 231 14| 4.6 0.9 5.5|150.8 -31.5 119.3 29.8 0.49| 7.1 3.5 5000 296 30 239 15| 4.5 0.8 5.3|202.6 -38.4 164.3 32.9 0.50| 7.1 3.5 6000 297 33 250 17| 3.7 1.3 5.0|215.1 -48.0 167.1 27.9 0.44| 6.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//CYCB/skewt/CYCB.skewt.20251225.00.gif