UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122600.upa.cvt Date: 0000Z 26 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:0000Z 26 DEC 25 Station: CYRB WMO ident: 71924 Latitude: 74.70 Longitude: -94.97 Elevation: 46.00 ------------------------------------------------------------------------------- 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 46 -24.1 -26.7 79 2.6 -24.4 300 2 248.9 249.0 248.7 250.1 0.43 1 946 470 -21.5 -28.5 53 7.0 -22.2 24 5 255.7 255.7 254.4 256.8 0.38 2 940 517 -19.3 -31.3 34 12.0 -20.5 14 4 258.4 258.4 256.5 259.2 0.30 3 939 525 -19.3 -30.3 37 11.0 -20.5 13 4 258.5 258.5 256.6 259.4 0.33 4 925 637 -19.9 -29.9 41 10.0 -21.0 295 1 259.0 259.0 257.1 259.9 0.35 5 913 734 -20.3 -29.3 44 9.0 -21.3 356 3 259.5 259.6 257.6 260.6 0.37 6 909 766 -20.1 -25.1 64 5.0 -20.8 16 3 260.1 260.1 258.3 261.6 0.55 7 873 1065 -21.5 -25.2 72 3.7 -22.0 108 9 261.6 261.7 259.6 263.2 0.56 8 860 1176 -21.7 -25.4 72 3.7 -22.2 106 11 262.5 262.6 260.3 264.1 0.56 9 850 1262 -22.5 -25.6 76 3.1 -22.9 100 12 262.6 262.7 260.3 264.2 0.56 10 802 1685 -26.5 -26.5 100 0.0 -26.5 93 12 262.7 262.8 260.5 264.3 0.55 11 760 2071 -29.9 -30.5 94 0.6 -30.0 75 18 263.1 263.2 260.4 264.3 0.40 12 753 2137 -27.5 -29.9 80 2.4 -27.8 70 19 266.4 266.5 263.0 267.6 0.42 13 742 2243 -28.1 -31.6 72 3.5 -28.4 67 21 266.9 266.9 263.2 268.0 0.37 14 729 2369 -29.1 -31.2 82 2.1 -29.3 62 24 267.1 267.2 263.4 268.3 0.39 15 700 2658 -31.5 -35.5 68 4.0 -31.8 65 24 267.6 267.6 263.5 268.4 0.27 16 682 2842 -33.1 -40.1 50 7.0 -33.5 68 21 267.8 267.8 263.4 268.3 0.17 17 656 3114 -35.3 -38.4 73 3.1 -35.5 66 19 268.3 268.4 263.9 269.0 0.21 18 626 3439 -38.1 -43.0 60 4.9 -38.3 71 16 268.7 268.8 264.0 269.2 0.14 19 563 4163 -42.1 -53.1 29 11.0 -42.4 58 21 272.3 272.3 266.3 272.5 0.05 20 524 4647 -44.9 -53.9 36 9.0 -45.1 57 19 274.6 274.6 267.8 274.7 0.05 21 500 4960 -45.3 -55.3 32 10.0 -45.5 35 17 277.8 277.8 269.9 278.0 0.04 22 493 5054 -45.3 -55.3 32 10.0 -45.5 33 17 278.9 278.9 270.6 279.1 0.04 23 400 6420 -52.9 -58.9 48 6.0 -53.0 20 21 286.2 286.2 274.8 286.4 0.03 24 395 6501 -53.5 -59.5 48 6.0 -53.6 21 21 286.5 286.5 274.9 286.6 0.03 25 383 6700 -53.7 -60.7 42 7.0 -53.8 25 20 288.8 288.8 276.0 288.9 0.03 26 377 6801 -53.7 -63.7 28 10.0 -53.8 26 19 290.1 290.1 276.7 290.1 0.02 27 360 7098 -54.7 -63.7 32 9.0 -54.8 26 16 292.6 292.6 278.0 292.7 0.02 28 321 7829 -56.5 -67.5 24 11.0 -56.6 345 13 299.8 299.8 281.3 299.9 0.01 29 300 8260 -55.7 -70.7 14 15.0 -55.8 335 12 306.8 306.8 284.1 306.9 0.01 30 276 8791 -54.5 -72.5 9 18.0 -54.7 6 13 316.0 316.0 287.4 316.0 0.01 31 258 9220 -56.1 -74.1 9 18.0 -56.3 41 10 319.8 319.8 288.6 319.8 0.01 32 250 9420 -55.5 -74.5 8 19.0 -55.7 5 11 323.6 323.6 289.9 323.6 0.01 33 238 9734 -55.7 -75.7 7 20.0 -55.9 328 10 327.8 327.8 291.1 327.9 0.01 34 233 9870 -53.9 -76.9 4 23.0 -54.2 331 11 332.6 332.6 292.4 332.6 0.00 35 223 10151 -55.3 -77.3 5 22.0 -55.5 357 12 334.6 334.6 293.0 334.6 0.00 36 210 10536 -53.7 -77.7 4 24.0 -54.0 349 11 342.9 342.9 295.0 342.9 0.00 37 200 10850 -54.1 -78.1 4 24.0 -54.4 360 10 347.1 347.1 296.0 347.1 0.00 38 150 12680 -56.3 -82.3 2 26.0 -56.6 335 15 373.1 373.1 301.1 373.1 0.00 39 139 13163 -56.7 -82.7 2 26.0 -57.0 342 13 380.6 380.6 302.3 380.6 0.00 40 127 13732 -58.7 -84.7 2 26.0 -59.0 306 12 386.9 386.9 303.3 386.9 0.00 41 123 13934 -57.7 -83.7 2 26.0 -58.0 326 15 392.3 392.3 304.1 392.3 0.00 42 100 15230 -60.9 -85.9 2 25.0 -61.2 335 22 410.1 410.1 306.5 410.1 0.00 43 81 16527 -64.3 -87.3 3 23.0 -64.5 330 25 428.6 428.6 308.7 428.6 0.00 44 70 17420 -63.9 -87.9 2 24.0 -64.1 340 32 447.7 447.7 310.6 447.7 0.00 45 50 19450 -69.3 -89.3 4 20.0 -69.5 345 33 480.2 480.2 313.5 480.2 0.00 46 43 20344 -71.9 -90.9 4 19.0 -72.1 347 32 495.0 495.0 314.6 495.0 0.00 47 30 22470 -70.7 -91.7 3 21.0 -70.9 345 43 551.9 551.9 318.2 551.9 0.00 48 23 24027 -74.7 -93.7 4 19.0 -74.9 343 40 583.7 583.7 319.9 583.7 0.00 49 20 24840 -73.7 -93.7 3 20.0 -73.9 340 53 610.6 610.6 321.1 610.6 0.00 50 13 27342 -76.1 -95.1 3 19.0 -76.3 343 50 682.3 682.3 323.9 682.3 0.00 51 13 27342 -75.5 -94.5 4 19.0 -75.7 343 50 684.4 684.4 323.9 684.4 0.00 TRP 321 7829 -56.5 -67.5 24 11.0 -56.6 345 13 299.8 299.8 281.3 299.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 4899.28 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 61.18 % Est. max temperature: -10.43 C = 13.22 F Sfc-Lift cond lev (LCL): 959.50 mb = 365.31 m = 1198.51 ft T: -22.14 C 700-500 lapse rate: 5.99 C/km ThetaE index: 0.01 C Layer 760.0- 753.0 mb Conv cond level (CCL): 702.61 mb = 2631.58 m = 8633.70 ft Mean mixing ratio: 0.40 g/kg Conv temperature: -5.44 C = 22.21 F Cap Strength: 15.14 C Lifted Index: 17.58 C Risk: None Lifted Index @300 mb: 35.75 C Lifted Index @700 mb: 10.43 C Showalter Index: 11.28 C Risk: None Total Totals Index: 42.50 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 19.70 C K Index: -6.80 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 2.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.22 J/kg Max Up Vert Vel: 10.02 m/s Conv Inhibition (B-): 55270.65 J/kg Cap Strength: 17.33 C Lift Cond Lev (LCL): 852.45 mb = 1240.82 m = 4070.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 89 at 12 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 46 300 2 1.7 -1.0 | 273 13 13.3 -0.7 1 1000 63 285 1 1.0 -0.3 | 270 13 12.6 0.0 2 968 305 60 7 -6.1 -3.5 | 300 6 5.5 -3.2 3 928 610 355 3 0.3 -3.0 | 283 12 11.9 -2.7 4 925 637 295 1 0.9 -0.4 | 271 13 12.5 -0.1 5 891 914 110 6 -5.6 2.1 | 249 6 6.0 2.3 6 855 1219 105 12 -11.6 3.1 | 180 3 0.0 3.4 7 850 1262 100 12 -11.8 2.1 | 175 2 -0.2 2.4 8 820 1524 90 10 -10.0 0.0 | 260 2 1.6 0.3 9 786 1829 95 13 -13.0 1.1 | 136 2 -1.3 1.4 10 753 2134 70 19 -17.9 -6.5 | 45 9 -6.3 -6.2 11 722 2438 60 26 -22.5 -13.0 | 41 17 -10.9 -12.7 12 700 2658 65 24 -21.8 -10.1 | 46 14 -10.2 -9.9 13 691 2743 70 22 -20.7 -7.5 | 51 12 -9.1 -7.2 14 661 3048 65 20 -18.1 -8.5 | 39 10 -6.5 -8.2 15 605 3658 75 14 -13.5 -3.6 | 30 4 -1.9 -3.3 16 578 3962 55 20 -16.4 -11.5 | 23 12 -4.8 -11.2 17 553 4267 60 21 -18.2 -10.5 | 33 12 -6.6 -10.2 18 529 4572 60 20 -17.3 -10.0 | 30 11 -5.7 -9.7 19 506 4877 45 17 -12.0 -12.0 | 2 12 -0.4 -11.7 20 500 4960 35 17 -9.8 -13.9 | 352 14 1.9 -13.6 21 440 5791 15 16 -4.1 -15.5 | 334 17 7.5 -15.2 22 420 6096 10 19 -3.3 -18.7 | 336 20 8.3 -18.4 23 400 6420 20 21 -7.2 -19.7 | 347 20 4.4 -19.5 24 365 7010 30 18 -9.0 -15.6 | 350 16 2.6 -15.3 25 348 7315 15 12 -3.1 -11.6 | 323 14 8.5 -11.3 26 332 7620 20 11 -3.8 -10.3 | 322 13 7.8 -10.1 27 321 7829 345 13 3.4 -12.6 | 309 19 15.0 -12.3 28 316 7925 350 12 2.1 -11.8 | 310 18 13.7 -11.5 29 301 8230 320 11 7.1 -8.4 | 294 20 18.7 -8.1 30 300 8260 335 12 5.1 -10.9 | 302 20 16.7 -10.6 31 287 8534 10 11 -1.9 -10.8 | 317 14 9.7 -10.6 32 274 8839 5 13 -1.1 -13.0 | 320 16 10.5 -12.7 33 261 9144 55 9 -7.4 -5.2 | 319 6 4.2 -4.9 34 250 9420 5 11 -1.0 -11.0 | 315 15 10.6 -10.7 35 249 9449 10 10 -1.7 -9.8 | 314 14 9.9 -9.6 36 237 9754 325 10 5.7 -8.2 | 295 19 17.3 -7.9 37 226 10058 340 13 4.4 -12.2 | 307 20 16.0 -11.9 38 216 10363 35 10 -5.7 -8.2 | 323 10 5.9 -7.9 39 206 10668 315 12 8.5 -8.5 | 292 22 20.1 -8.2 40 200 10850 360 10 -0.0 -10.0 | 310 15 11.6 -9.7 41 196 10973 345 17 4.4 -16.4 | 315 23 16.0 -16.1 42 187 11278 320 13 8.4 -10.0 | 296 22 20.0 -9.7 43 178 11582 340 15 5.1 -14.1 | 310 22 16.7 -13.8 44 170 11887 325 6 3.4 -4.9 | 287 16 15.0 -4.6 45 162 12192 295 10 9.1 -4.2 | 281 21 20.7 -3.9 46 150 12680 335 15 6.3 -13.6 | 307 22 17.9 -13.3 47 147 12802 340 16 5.5 -15.0 | 311 23 17.1 -14.8 48 140 13106 345 13 3.4 -12.6 | 309 19 15.0 -12.3 49 127 13716 305 12 9.8 -6.9 | 287 22 21.4 -6.6 50 121 14021 335 17 7.2 -15.4 | 309 24 18.8 -15.1 51 115 14326 340 11 3.8 -10.3 | 303 18 15.4 -10.1 52 105 14935 320 18 11.6 -13.8 | 300 27 23.2 -13.5 53 100 15230 335 22 9.3 -19.9 | 313 29 20.9 -19.7 54 100 15240 340 20 6.8 -18.8 | 315 26 18.4 -18.5 55 95 15545 335 22 9.3 -19.9 | 313 29 20.9 -19.7 56 90 15850 310 19 14.6 -12.2 | 295 29 26.2 -11.9 57 82 16459 335 25 10.6 -22.7 | 315 31 22.2 -22.4 58 78 16764 310 27 20.7 -17.4 | 298 37 32.3 -17.1 59 71 17374 320 34 21.9 -26.0 | 308 42 33.5 -25.8 60 70 17420 340 32 10.9 -30.1 | 323 37 22.5 -29.8 61 67 17678 345 32 8.3 -30.9 | 327 37 19.9 -30.6 62 64 17983 330 33 16.5 -28.6 | 315 40 28.1 -28.3 63 58 18593 345 24 6.2 -23.2 | 322 29 17.8 -22.9 64 52 19202 325 33 18.9 -27.0 | 311 41 30.5 -26.7 65 50 19450 345 33 8.5 -31.9 | 327 37 20.1 -31.6 66 47 19812 350 30 5.2 -29.5 | 330 34 16.8 -29.3 67 40 20726 345 34 8.8 -32.8 | 328 38 20.4 -32.6 68 38 21031 320 34 21.9 -26.0 | 308 42 33.5 -25.8 69 36 21336 330 39 19.5 -33.8 | 317 46 31.1 -33.5 70 30 22470 345 43 11.1 -41.5 | 331 47 22.7 -41.3 71 28 22860 345 46 11.9 -44.4 | 332 50 23.5 -44.1 72 25 23470 345 32 8.3 -30.9 | 327 37 19.9 -30.6 73 20 24840 340 53 18.1 -49.8 | 329 58 29.7 -49.5 74 19 24994 340 57 19.5 -53.6 | 330 62 31.1 -53.3 75 9 26822 345 43 11.1 -41.5 | 331 47 22.7 -41.3 76 7 27432 345 53 13.7 -51.2 | 334 57 25.3 -50.9 Wind Parameters Mean winds (0-6000m): 58.6 at 15.5 knts Storm direction: 88.6 at 11.6 knts Shear (0-3000m) pos: 1.5 neg: 3.4 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 125.6 deg Storm rel helicity (0-3000m) pos: 35.7 neg: -46.4 tot: -10.7 m^2/s^2 ave: -3.6 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 11.3 stream: -2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.13 Bulk Shear: 16.05 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 46 5 289 9| 3.7 0.0 3.7| 17.3 -5.5 11.7 23.4 0.25| 14.0 3.5 1000 72 5 279 7| 5.4 0.0 5.4| 25.2 -25.5 -0.3 -0.3 -0.11| 15.8 -1.7 1500 89 7 268 5| 3.6 1.1 4.7| 26.1 -28.5 -2.4 -1.6 -0.12| 12.8 -1.5 2000 89 8 267 3| 2.7 2.8 5.5| 26.1 -32.9 -6.8 -3.4 -0.24| 12.0 -2.9 2500 78 11 340 2| 2.2 4.1 6.3| 28.9 -39.4 -10.5 -4.2 -0.22| 12.1 -2.7 3000 75 13 18 3| 1.5 3.4 5.0| 35.7 -46.4 -10.7 -3.6 -0.21| 11.3 -2.3 4000 72 14 24 5| 1.4 3.4 4.9| 37.1 -50.1 -13.0 -3.3 -0.19| 10.4 -1.9 5000 67 15 23 6| 1.3 2.7 4.0| 41.5 -77.7 -36.2 -7.2 -0.24| 9.5 -2.3 6000 59 15 12 8| 1.1 2.5 3.6| 43.4 -95.1 -51.7 -8.6 -0.26| 8.6 -2.3 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251226.00.gif