UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 10 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 1010 46 -25.7 -28.4 78 2.7 -25.9 260 3 246.7 246.8 246.6 247.7 0.36 1 1000 115 -25.9 -27.1 90 1.2 -26.0 270 9 247.2 247.3 247.2 248.4 0.41 2 983 239 -26.7 -26.8 99 0.1 -26.7 270 11 247.7 247.7 247.6 248.8 0.43 3 941 554 -27.1 -27.4 97 0.3 -27.1 258 14 250.4 250.4 250.0 251.5 0.43 4 925 678 -24.1 -24.5 96 0.4 -24.1 250 16 254.7 254.8 254.0 256.2 0.57 5 920 718 -23.7 -24.8 91 1.1 -23.8 253 15 255.5 255.6 254.7 257.0 0.56 6 900 878 -23.5 -27.6 69 4.1 -23.9 263 13 257.3 257.4 255.9 258.5 0.44 7 895 919 -23.5 -26.7 75 3.2 -23.9 265 13 257.7 257.8 256.3 259.0 0.48 8 891 952 -23.7 -29.7 58 6.0 -24.3 264 13 257.8 257.9 256.2 258.9 0.37 9 880 1042 -23.9 -27.2 74 3.3 -24.2 261 12 258.5 258.6 256.9 259.8 0.47 10 859 1218 -24.7 -30.7 57 6.0 -25.3 255 10 259.5 259.5 257.5 260.5 0.34 11 850 1295 -24.9 -28.6 71 3.7 -25.3 255 10 260.1 260.1 258.1 261.3 0.42 12 825 1511 -26.1 -28.4 81 2.3 -26.3 243 12 261.0 261.1 258.9 262.3 0.45 13 820 1555 -26.1 -29.4 74 3.3 -26.4 241 12 261.5 261.5 259.2 262.6 0.41 14 813 1617 -26.3 -31.3 63 5.0 -26.8 237 12 261.9 262.0 259.4 262.9 0.34 15 810 1644 -26.3 -29.1 77 2.8 -26.6 236 13 262.2 262.3 259.8 263.4 0.43 16 799 1743 -27.1 -29.7 79 2.6 -27.3 230 13 262.4 262.4 259.9 263.5 0.41 17 789 1833 -27.7 -30.1 80 2.4 -27.9 225 14 262.7 262.7 260.1 263.8 0.40 18 769 2018 -28.9 -35.9 51 7.0 -29.4 231 16 263.3 263.3 260.2 264.0 0.23 19 744 2253 -30.7 -35.7 61 5.0 -31.0 233 17 263.8 263.9 260.7 264.6 0.24 20 738 2310 -30.7 -39.7 41 9.0 -31.3 232 17 264.5 264.5 261.0 265.0 0.16 21 732 2368 -30.7 -36.7 56 6.0 -31.1 231 16 265.1 265.1 261.6 265.8 0.22 22 727 2417 -30.7 -48.7 15 18.0 -31.5 230 16 265.6 265.6 261.6 265.8 0.06 23 700 2685 -32.1 -47.1 21 15.0 -32.8 210 16 266.9 266.9 262.6 267.2 0.08 24 650 3205 -34.1 -51.1 16 17.0 -34.8 200 24 270.4 270.4 265.0 270.6 0.05 25 645 3259 -34.3 -44.3 36 10.0 -34.8 200 25 270.8 270.8 265.4 271.1 0.12 26 613 3612 -36.9 -45.9 39 9.0 -37.3 200 28 271.7 271.8 266.1 272.1 0.10 27 610 3646 -37.1 -48.1 31 11.0 -37.5 200 28 271.9 271.9 266.1 272.2 0.08 28 602 3737 -36.7 -55.7 12 19.0 -37.3 202 27 273.4 273.4 267.0 273.5 0.03 29 599 3771 -36.5 -54.5 14 18.0 -37.1 203 27 274.0 274.0 267.4 274.1 0.04 30 506 4929 -40.3 -61.3 9 21.0 -40.8 190 48 282.9 282.9 272.9 283.0 0.02 31 500 5010 -40.7 -61.7 9 21.0 -41.2 190 52 283.4 283.4 273.2 283.5 0.02 32 441 5860 -45.1 -63.8 10 18.7 -45.4 185 66 288.2 288.2 275.7 288.3 0.02 33 400 6510 -48.5 -65.5 12 17.0 -48.8 185 58 292.0 292.0 277.7 292.0 0.01 34 387 6726 -49.9 -65.9 14 16.0 -50.1 185 55 292.9 292.9 278.1 292.9 0.01 35 362 7161 -50.7 -67.7 12 17.0 -50.9 186 50 297.5 297.5 280.3 297.5 0.01 36 339 7587 -51.7 -70.7 9 19.0 -51.9 190 45 301.7 301.7 282.1 301.8 0.01 37 300 8380 -51.1 -75.1 4 24.0 -51.4 190 47 313.3 313.3 286.5 313.3 0.00 38 259 9339 -50.5 -78.5 2 28.0 -50.8 197 32 327.7 327.7 291.0 327.7 0.00 39 250 9570 -50.5 -79.5 2 29.0 -50.9 200 33 331.0 331.0 292.0 331.0 0.00 40 200 11020 -51.3 -81.3 2 30.0 -51.7 205 18 351.5 351.5 297.0 351.5 0.00 41 150 12880 -53.1 -83.1 1 30.0 -53.5 245 10 378.6 378.6 302.0 378.6 0.00 42 149 12923 -53.5 -83.5 1 30.0 -53.9 245 10 378.6 378.6 302.0 378.6 0.00 43 145 13098 -52.1 -83.1 1 31.0 -52.6 243 10 384.0 384.0 302.9 384.0 0.00 44 136 13510 -53.3 -84.3 1 31.0 -53.8 228 10 389.0 389.0 303.6 389.0 0.00 45 131 13751 -52.3 -84.3 1 32.0 -52.9 199 8 395.0 395.0 304.5 395.0 0.00 46 106 15108 -55.1 -85.1 1 30.0 -55.6 284 12 414.3 414.3 307.0 414.3 0.00 47 100 15480 -54.7 -85.7 1 31.0 -55.2 305 11 422.0 422.0 308.0 422.1 0.00 48 70 17750 -58.1 -87.1 1 29.0 -58.6 350 16 460.1 460.1 311.8 460.1 0.00 49 50 19840 -62.5 -89.5 1 27.0 -62.9 335 32 496.2 496.2 314.7 496.2 0.00 50 43 20765 -63.9 -89.9 2 26.0 -64.3 335 39 514.6 514.6 315.9 514.6 0.00 51 42 20909 -63.3 -90.3 1 27.0 -63.7 336 38 519.6 519.6 316.3 519.6 0.00 52 35 22018 -66.7 -90.7 2 24.0 -67.1 331 28 538.5 538.5 317.4 538.5 0.00 53 30 22950 -65.9 -90.9 2 25.0 -66.4 335 47 565.0 565.0 318.9 565.0 0.00 54 20 25410 -66.9 -91.9 2 25.0 -67.5 345 56 631.4 631.4 322.0 631.4 0.00 55 10 29590 -66.3 -92.3 1 26.0 -67.5 345 84 772.1 772.1 326.5 772.1 0.01 56 7.2 31584 -65.5 -92.5 1 27.0 -67.2 345 85 851.4 851.4 328.4 851.5 0.01 TRP 339 7587 -51.7 -70.7 9 19.0 -51.9 190 45 301.7 301.7 282.1 301.8 0.01 WND 441 5860 -45.1 -63.8 10 18.7 -45.4 185 66 288.2 288.2 275.7 288.3 0.02 Sounding variables and indices 1000-500 mb thick: 4895.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 44.65 % Est. max temperature: -12.97 C = 8.66 F Sfc-Lift cond lev (LCL): 965.37 mb = 369.38 m = 1211.86 ft T: -26.87 C 700-500 lapse rate: 3.70 C/km ThetaE index: 0.18 C Layer 891.0- 880.0 mb Conv cond level (CCL): 993.89 mb = 159.29 m = 522.59 ft Mean mixing ratio: 0.45 g/kg Conv temperature: -25.05 C = -13.08 F Cap Strength: 25.98 C Lifted Index: 26.28 C Risk: None Lifted Index @300 mb: 43.86 C Lifted Index @700 mb: 14.23 C Showalter Index: 18.23 C Risk: None Total Totals Index: 27.90 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 12.10 C K Index: -27.80 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 4.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.43 J/kg Max Up Vert Vel: 8.54 m/s Conv Inhibition (B-): 81609.88 J/kg Cap Strength: 25.76 C Lift Cond Lev (LCL): 949.02 mb = 492.51 m = 1615.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 232 at 21 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 1010 46 260 3 3.0 0.5 | 47 18 -13.5 -12.5 1 1000 115 270 9 9.0 -0.0 | 30 15 -7.4 -13.0 2 974 305 270 12 12.0 -0.0 | 19 14 -4.4 -13.0 3 934 610 255 14 13.5 3.6 | 17 10 -2.9 -9.4 4 925 678 250 16 15.0 5.5 | 10 8 -1.4 -7.5 5 896 914 265 13 13.0 1.1 | 16 12 -3.5 -11.9 6 859 1219 255 10 9.7 2.6 | 33 12 -6.8 -10.4 7 850 1295 255 10 9.7 2.6 | 33 12 -6.8 -10.4 8 789 1829 225 14 9.9 9.9 | 65 7 -6.5 -3.1 9 756 2134 235 18 14.7 10.3 | 32 3 -1.7 -2.7 10 725 2438 230 16 12.3 10.3 | 57 5 -4.2 -2.7 11 700 2685 210 16 8.0 13.9 | 96 8 -8.4 0.9 12 694 2743 210 16 8.0 13.9 | 96 8 -8.4 0.9 13 664 3048 200 23 7.9 21.6 | 135 12 -8.5 8.6 14 608 3658 200 28 9.6 26.3 | 153 15 -6.8 13.3 15 582 3962 210 24 12.0 20.8 | 150 9 -4.4 7.8 16 557 4267 190 29 5.0 28.6 | 144 19 -11.4 15.6 17 510 4877 190 45 7.8 44.3 | 165 32 -8.6 31.3 18 500 5010 190 52 9.0 51.2 | 169 39 -7.4 38.2 19 441 5860 185 66 5.8 65.7 | 169 54 -10.7 52.8 20 426 6096 190 64 11.1 63.0 | 174 50 -5.3 50.0 21 400 6510 185 58 5.1 57.8 | 166 46 -11.4 44.8 22 370 7010 185 52 4.5 51.8 | 163 41 -11.9 38.8 23 339 7587 190 45 7.8 44.3 | 165 32 -8.6 31.3 24 337 7620 190 48 8.3 47.3 | 167 35 -8.1 34.3 25 300 8380 190 47 8.2 46.3 | 166 34 -8.3 33.3 26 267 9144 195 31 8.0 29.9 | 154 19 -8.4 16.9 27 250 9570 200 33 11.3 31.0 | 164 19 -5.1 18.0 28 243 9754 210 31 15.5 26.8 | 176 14 -0.9 13.8 29 211 10668 185 23 2.0 22.9 | 125 17 -14.4 9.9 30 200 11020 205 18 7.6 16.3 | 111 9 -8.8 3.3 31 175 11887 220 18 11.6 13.8 | 99 5 -4.8 0.8 32 167 12192 205 16 6.8 14.5 | 99 10 -9.7 1.5 33 159 12497 210 16 8.0 13.9 | 96 8 -8.4 0.9 34 152 12802 240 10 8.7 5.0 | 44 11 -7.8 -8.0 35 150 12880 245 10 9.1 4.2 | 40 11 -7.4 -8.8 36 138 13411 240 11 9.5 5.5 | 43 10 -6.9 -7.5 37 120 14326 130 2 -1.5 1.3 | 57 21 -17.9 -11.7 38 104 15240 310 14 10.7 -9.0 | 15 23 -5.7 -22.0 39 100 15480 305 11 9.0 -6.3 | 21 21 -7.4 -19.3 40 99 15545 295 12 10.9 -5.1 | 17 19 -5.5 -18.1 41 94 15850 305 11 9.0 -6.3 | 21 21 -7.4 -19.3 42 90 16154 345 12 3.1 -11.6 | 28 28 -13.3 -24.6 43 86 16459 315 3 2.1 -2.1 | 43 21 -14.3 -15.1 44 82 16764 315 10 7.1 -7.1 | 25 22 -9.3 -20.1 45 78 17069 330 23 11.5 -19.9 | 8 33 -4.9 -32.9 46 74 17374 345 19 4.9 -18.4 | 20 33 -11.5 -31.4 47 71 17678 335 18 7.6 -16.3 | 17 31 -8.8 -29.3 48 70 17750 350 16 2.8 -15.8 | 25 32 -13.6 -28.8 49 67 17983 350 16 2.8 -15.8 | 25 32 -13.6 -28.8 50 64 18288 330 17 8.5 -14.7 | 16 29 -7.9 -27.7 51 58 18898 330 24 12.0 -20.8 | 7 34 -4.4 -33.8 52 53 19507 350 31 5.4 -30.5 | 14 45 -11.0 -43.5 53 50 19812 325 23 13.2 -18.8 | 6 32 -3.2 -31.8 54 50 19840 335 32 13.5 -29.0 | 4 42 -2.9 -42.0 55 48 20117 340 35 12.0 -32.9 | 6 46 -4.4 -45.9 56 43 20726 335 39 16.5 -35.3 | 360 48 0.1 -48.3 57 39 21336 340 35 12.0 -32.9 | 6 46 -4.4 -45.9 58 37 21641 355 29 2.5 -28.9 | 18 44 -13.9 -41.9 59 35 21946 330 26 13.0 -22.5 | 5 36 -3.4 -35.5 60 30 22860 345 49 12.7 -47.3 | 4 60 -3.7 -60.3 61 30 22950 335 47 19.9 -42.6 | 356 56 3.4 -55.6 62 29 23165 330 47 23.5 -40.7 | 352 54 7.1 -53.7 63 26 23774 340 36 12.3 -33.8 | 5 47 -4.1 -46.8 64 25 24079 355 47 4.1 -46.8 | 12 61 -12.3 -59.8 65 23 24689 330 52 26.0 -45.0 | 351 59 9.6 -58.0 66 20 25298 345 64 16.6 -61.8 | 360 75 0.1 -74.8 67 20 25410 345 56 14.5 -54.1 | 2 67 -1.9 -67.1 68 19 25603 345 49 12.7 -47.3 | 4 60 -3.7 -60.3 69 17 26518 340 81 27.7 -76.1 | 353 90 11.3 -89.1 70 15 27127 330 79 39.5 -68.4 | 344 85 23.1 -81.4 71 14 27432 335 76 32.1 -68.9 | 349 83 15.7 -81.9 72 12 28346 350 82 14.2 -80.8 | 1 94 -2.2 -93.8 73 11 28956 350 67 11.6 -66.0 | 3 79 -4.8 -79.0 74 10 29590 345 84 21.7 -81.1 | 357 94 5.3 -94.1 75 7 30175 345 85 22.0 -82.1 | 357 95 5.6 -95.1 Wind Parameters Mean winds (0-6000m): 201.6 at 27.9 knts Storm direction: 231.6 at 20.9 knts Shear (0-3000m) pos: 0.3 neg: 3.9 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 87.9 deg Storm rel helicity (0-3000m) pos: 49.1 neg: -38.2 tot: 10.9 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 1.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 84.36 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 ------------------------------------------------------------------------------- 500 266 11 24 13| 0.0 10.9 10.9| 0.0 -33.2 -33.2 -66.5 -0.68| 12.4 -8.4 1000 261 12 20 12| 1.0 5.4 6.5| 7.4 -35.4 -28.0 -28.0 -0.34| 9.9 -3.4 1500 259 12 24 12| 0.7 3.8 4.5| 17.4 -35.4 -17.9 -12.0 -0.14| 8.4 -1.2 2000 250 12 28 10| 0.5 4.2 4.7| 24.5 -37.2 -12.7 -6.4 -0.04| 8.2 -0.3 2500 246 13 30 9| 0.4 3.2 3.6| 29.2 -38.2 -8.9 -3.6 0.04| 7.8 0.3 3000 237 14 40 7| 0.3 3.9 4.3| 49.1 -38.2 10.9 3.6 0.20| 8.4 1.7 4000 223 17 83 5| 0.4 3.5 3.9| 63.8 -39.9 24.0 6.0 0.22| 8.0 1.7 5000 211 21 133 7| 0.3 5.7 6.0|147.4 -45.5 101.9 20.4 0.25| 9.6 2.4 6000 202 28 155 14| 0.2 5.4 5.6|201.4 -52.6 148.7 24.8 0.24| 9.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251210.12.gif