UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for CYFB... Searching the city database file for: CYFB ... Date:0000Z 21 DEC 25 Station: CYFB WMO ident: 71909 Latitude: 63.75 Longitude: -68.55 Elevation: 22.00 ------------------------------------------------------------------------------- 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 -111 SFC 983 22 -15.7 -19.1 75 3.4 -16.3 340 9 258.7 258.9 257.9 261.0 0.86 2 980 45 -13.9 -18.9 66 5.0 -14.8 338 10 260.8 260.9 259.6 263.2 0.88 3 970 123 -12.7 -18.7 61 6.0 -13.9 329 11 262.7 262.9 261.2 265.2 0.90 4 925 482 -16.1 -18.7 80 2.6 -16.6 300 18 262.8 263.0 261.3 265.4 0.94 5 886 804 -19.1 -19.1 100 0.0 -19.1 302 19 263.0 263.2 261.5 265.6 0.95 6 850 1111 -21.7 -21.8 99 0.1 -21.7 310 21 263.4 263.5 261.5 265.6 0.79 7 829 1295 -23.1 -23.6 96 0.5 -23.2 305 23 263.8 263.9 261.6 265.8 0.69 8 824 1339 -21.3 -23.8 80 2.5 -21.7 305 24 266.2 266.3 263.3 268.1 0.68 9 809 1475 -20.7 -24.6 71 3.9 -21.2 305 27 268.2 268.3 264.7 270.1 0.64 10 738 2152 -21.3 -27.3 58 6.0 -22.1 309 20 274.7 274.8 268.9 276.4 0.55 11 700 2540 -23.7 -29.7 58 6.0 -24.4 295 16 276.2 276.3 269.7 277.6 0.46 12 676 2794 -24.9 -31.9 52 7.0 -25.7 304 16 277.7 277.7 270.4 278.9 0.39 13 553 4221 -35.5 -50.5 20 15.0 -36.1 311 11 281.5 281.5 272.2 281.8 0.07 14 542 4361 -34.7 -55.7 10 21.0 -35.5 290 8 284.1 284.1 273.6 284.2 0.04 15 517 4689 -36.5 -57.5 10 21.0 -37.2 241 7 285.8 285.8 274.5 285.9 0.03 16 509 4797 -36.7 -58.7 8 22.0 -37.4 232 10 286.8 286.8 275.0 286.9 0.03 17 500 4920 -36.3 -47.3 31 11.0 -36.8 210 14 288.8 288.8 276.2 289.1 0.11 18 499 4934 -36.3 -46.3 35 10.0 -36.8 209 14 288.9 289.0 276.3 289.4 0.12 19 467 5394 -38.1 -41.8 68 3.7 -38.3 198 20 292.2 292.3 278.1 292.9 0.21 20 428 5996 -38.3 -42.2 67 3.9 -38.5 188 34 299.4 299.4 281.4 300.1 0.22 21 400 6460 -40.7 -44.0 70 3.3 -40.9 170 41 302.1 302.1 282.5 302.8 0.19 22 368 7021 -44.3 -46.7 77 2.4 -44.4 172 54 304.6 304.6 283.5 305.1 0.16 23 349 7374 -46.3 -52.3 51 6.0 -46.5 174 62 306.5 306.6 284.1 306.9 0.09 24 342 7508 -46.7 -51.7 57 5.0 -46.9 174 65 307.8 307.8 284.6 308.1 0.09 25 318 7984 -50.9 -54.4 66 3.5 -51.0 170 71 308.4 308.4 284.8 308.7 0.07 26 300 8360 -53.9 -58.9 54 5.0 -54.0 165 74 309.4 309.4 285.1 309.5 0.05 27 294 8489 -55.0 -59.9 55 4.9 -55.1 160 74 309.6 309.6 285.2 309.8 0.04 28 285 8686 -56.7 -61.4 55 4.7 -56.8 163 71 309.9 309.9 285.4 310.1 0.03 29 269 9049 -59.9 -62.3 73 2.4 -59.9 170 65 310.4 310.4 285.5 310.6 0.03 30 263 9189 -59.3 -67.3 35 8.0 -59.4 172 65 313.3 313.3 286.5 313.4 0.02 31 261 9237 -56.7 -73.7 10 17.0 -56.9 174 62 317.8 317.8 288.1 317.9 0.01 32 250 9510 -56.1 -76.1 6 20.0 -56.3 185 45 322.7 322.7 289.6 322.7 0.00 33 245 9638 -55.9 -76.9 6 21.0 -56.1 185 44 324.8 324.8 290.2 324.8 0.00 34 239 9797 -54.3 -76.3 5 22.0 -54.5 185 44 329.6 329.6 291.6 329.6 0.01 35 206 10750 -53.5 -80.5 2 27.0 -53.8 187 34 345.1 345.1 295.6 345.1 0.00 36 200 10940 -53.9 -80.9 2 27.0 -54.2 190 33 347.4 347.4 296.1 347.4 0.00 37 180 11615 -55.7 -82.7 2 27.0 -56.0 193 34 355.1 355.1 297.7 355.1 0.00 38 150 12780 -54.9 -83.9 2 29.0 -55.3 200 34 375.5 375.5 301.5 375.5 0.00 39 142 13131 -53.9 -82.9 2 29.0 -54.4 206 36 383.2 383.2 302.8 383.2 0.00 40 129 13745 -56.5 -84.5 2 28.0 -56.9 234 27 389.2 389.2 303.6 389.2 0.00 41 117 14364 -57.1 -86.1 1 29.0 -57.5 220 34 399.1 399.1 305.1 399.1 0.00 42 111 14698 -55.5 -85.5 1 30.0 -55.9 222 41 408.1 408.1 306.3 408.1 0.00 43 100 15360 -58.1 -86.1 2 28.0 -58.5 220 32 415.5 415.5 307.2 415.5 0.00 44 73 17329 -60.3 -87.3 2 27.0 -60.7 244 34 449.9 449.9 310.8 450.0 0.00 45 72 17415 -59.9 -87.9 1 28.0 -60.3 242 36 452.6 452.6 311.1 452.6 0.00 46 70 17590 -61.3 -88.3 2 27.0 -61.7 230 42 453.2 453.2 311.1 453.3 0.00 47 65 18048 -62.1 -88.1 2 26.0 -62.4 233 46 461.2 461.2 311.9 461.2 0.00 48 54 19194 -61.5 -89.5 1 28.0 -62.0 254 47 487.7 487.7 314.1 487.7 0.00 49 50 19670 -62.3 -89.3 2 27.0 -62.7 245 55 496.7 496.7 314.7 496.7 0.00 50 30 22780 -66.9 -91.9 2 25.0 -67.3 255 71 562.3 562.3 318.8 562.3 0.00 51 20 25200 -72.1 -93.1 3 21.0 -72.4 260 80 615.5 615.5 321.3 615.5 0.00 52 10 29190 -80.5 -97.5 4 17.0 -80.7 255 97 719.1 719.1 325.0 719.1 0.00 53 9.6 29421 -78.9 -95.9 5 17.0 -79.1 255 106 733.6 733.6 325.4 733.6 0.00 TRP 269 9049 -59.9 -62.3 73 2.4 -59.9 170 65 310.4 310.4 285.5 310.6 0.03 WND 294 8489 -55.0 -59.9 55 4.9 -55.1 160 74 309.6 309.6 285.2 309.8 0.04 Sounding variables and indices 1000-500 mb thick: 5031.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 53.29 % Est. max temperature: -10.69 C = 12.76 F Sfc-Lift cond lev (LCL): 929.93 mb = 441.81 m = 1449.49 ft T: -15.72 C 700-500 lapse rate: 5.29 C/km ThetaE index: 0.02 C Layer 850.0- 829.0 mb Conv cond level (CCL): 880.66 mb = 848.91 m = 2785.12 ft Mean mixing ratio: 0.93 g/kg Conv temperature: -11.37 C = 11.53 F Cap Strength: 17.95 C Lifted Index: 19.43 C Risk: None Lifted Index @300 mb: 31.28 C Lifted Index @700 mb: 10.73 C Showalter Index: 19.11 C Risk: None Total Totals Index: 29.10 C Risk: None Vertical Totals Index: 14.60 C Cross Totals Index: 14.50 C K Index: -13.20 Risk: None Sweat Index: 56.00 Risk: None Energy Index: 4.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.24 J/kg Max Up Vert Vel: 3.24 m/s Conv Inhibition (B-): 62409.91 J/kg Cap Strength: 18.42 C Lift Cond Lev (LCL): 886.17 mb = 802.76 m = 2633.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 at 13 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 ---------------------------------------------------------- 0 983 22 340 9 3.1 -8.5 | 104 6 -6.0 1.5 1 947 305 310 16 12.3 -10.3 | 277 3 3.2 -0.4 2 925 482 300 18 15.6 -9.0 | 262 7 6.5 0.9 3 909 610 305 20 16.4 -11.5 | 282 7 7.3 -1.6 4 873 914 300 19 16.5 -9.5 | 267 7 7.3 0.4 5 850 1111 310 21 16.1 -13.5 | 297 8 7.0 -3.6 6 838 1219 305 21 17.2 -12.0 | 285 8 8.1 -2.1 7 804 1524 305 28 22.9 -16.1 | 294 15 13.8 -6.2 8 771 1829 305 27 22.1 -15.5 | 293 14 13.0 -5.6 9 740 2134 310 20 15.3 -12.9 | 295 7 6.2 -2.9 10 710 2438 300 16 13.9 -8.0 | 248 5 4.8 1.9 11 700 2540 295 16 14.5 -6.8 | 240 6 5.4 3.1 12 680 2743 305 16 13.1 -9.2 | 260 4 4.0 0.7 13 651 3048 300 17 14.7 -8.5 | 256 6 5.6 1.4 14 624 3353 330 15 7.5 -13.0 | 28 3 -1.6 -3.1 15 598 3658 325 17 9.8 -13.9 | 351 4 0.6 -4.0 16 572 3962 335 14 5.9 -12.7 | 49 4 -3.2 -2.8 17 548 4267 305 10 8.2 -5.7 | 168 4 -0.9 4.2 18 525 4572 250 4 3.8 1.4 | 155 12 -5.3 11.3 19 503 4877 225 12 8.5 8.5 | 178 18 -0.6 18.4 20 500 4920 210 14 7.0 12.1 | 175 22 -2.1 22.0 21 481 5182 200 16 5.5 15.0 | 172 25 -3.6 24.9 22 441 5791 195 29 7.5 28.0 | 178 38 -1.6 37.9 23 422 6096 185 36 3.1 35.9 | 173 46 -6.0 45.8 24 403 6401 170 40 -6.9 39.4 | 162 52 -16.1 49.3 25 400 6460 170 41 -7.1 40.4 | 162 53 -16.2 50.3 26 336 7620 175 68 -5.9 67.7 | 169 79 -15.0 77.6 27 300 8360 165 74 -19.2 71.5 | 161 86 -28.3 81.4 28 294 8489 160 74 -25.3 69.5 | 157 87 -34.4 79.4 29 292 8534 160 74 -25.3 69.5 | 157 87 -34.4 79.4 30 269 9049 170 65 -11.3 64.0 | 165 77 -20.4 73.9 31 265 9144 170 68 -11.8 67.0 | 165 80 -20.9 76.9 32 250 9510 185 45 3.9 44.8 | 175 55 -5.2 54.7 33 241 9754 185 44 3.8 43.8 | 174 54 -5.3 53.7 34 209 10668 185 34 3.0 33.9 | 172 44 -6.1 43.8 35 200 10940 190 33 5.7 32.5 | 175 43 -3.4 42.4 36 181 11582 195 34 8.8 32.8 | 180 43 -0.3 42.7 37 172 11887 180 35 0.0 35.0 | 169 46 -9.1 44.9 38 164 12192 205 31 13.1 28.1 | 186 38 4.0 38.0 39 150 12780 200 34 11.6 31.9 | 183 42 2.5 41.9 40 149 12802 195 29 7.5 28.0 | 178 38 -1.6 37.9 41 142 13106 205 36 15.2 32.6 | 188 43 6.1 42.5 42 129 13716 235 27 22.1 15.5 | 207 29 13.0 25.4 43 123 14021 220 23 14.8 17.6 | 192 28 5.7 27.5 44 112 14630 220 43 27.6 32.9 | 203 47 18.5 42.8 45 102 15240 240 26 22.5 13.0 | 210 27 13.4 22.9 46 100 15360 220 32 20.6 24.5 | 198 36 11.5 34.4 47 97 15545 220 32 20.6 24.5 | 198 36 11.5 34.4 48 88 16154 225 21 14.8 14.8 | 193 25 5.7 24.8 49 72 17374 245 35 31.7 14.8 | 222 33 22.6 24.7 50 70 17590 230 42 32.2 27.0 | 212 44 23.1 36.9 51 69 17678 230 42 32.2 27.0 | 212 44 23.1 36.9 52 63 18288 235 48 39.3 27.5 | 219 48 30.2 37.4 53 57 18898 235 48 39.3 27.5 | 219 48 30.2 37.4 54 54 19202 255 47 45.4 12.2 | 239 42 36.3 22.1 55 50 19670 245 55 49.8 23.2 | 231 53 40.7 33.2 56 49 19812 240 55 47.6 27.5 | 226 54 38.5 37.4 57 38 21336 250 59 55.4 20.2 | 237 55 46.3 30.1 58 30 22780 255 71 68.6 18.4 | 245 66 59.5 28.3 59 27 23470 255 77 74.4 19.9 | 245 72 65.3 29.8 60 24 24079 260 64 63.0 11.1 | 249 58 53.9 21.0 61 20 25200 260 80 78.8 13.9 | 251 74 69.7 23.8 62 20 25298 265 74 73.7 6.4 | 256 67 64.6 16.4 63 14 27127 265 93 92.6 8.1 | 258 85 83.5 18.0 64 14 27432 260 80 78.8 13.9 | 251 74 69.7 23.8 65 10 29190 255 97 93.7 25.1 | 248 92 84.6 35.0 66 10 29261 255 106 102.4 27.4 | 248 100 93.3 37.3 67 7 29870 255 97 93.7 25.1 | 248 92 84.6 35.0 Wind Parameters Mean winds (0-6000m): 287.4 at 17.9 knts Storm direction: 317.4 at 13.5 knts Shear (0-3000m) pos: 0.8 neg: 2.7 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 152.7 deg Storm rel helicity (0-3000m) pos: 19.3 neg: -19.0 tot: 0.2 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.68 Bulk Shear: 7.75 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 ------------------------------------------------------------------------------- 500 312 15 264 2| 0.0 13.2 13.2| 0.4 -3.0 -2.5 -5.1 -0.51| 15.2 -7.7 1000 307 17 273 5| 1.0 6.6 7.6| 7.3 -6.4 0.9 0.9 -0.28| 10.4 -2.9 1500 306 19 283 6| 0.7 6.9 7.6| 15.9 -9.7 6.2 4.1 -0.12| 10.5 -1.3 2000 306 21 287 8| 1.2 5.2 6.4| 17.1 -10.5 6.7 3.3 -0.10| 9.3 -0.9 2500 306 20 286 8| 1.0 3.3 4.3| 17.2 -18.7 -1.5 -0.6 -0.20| 9.2 -1.9 3000 305 20 282 7| 0.8 2.7 3.6| 19.3 -19.0 0.2 0.1 -0.16| 8.3 -1.3 4000 309 19 289 6| 1.7 2.1 3.7| 28.4 -20.5 7.9 2.0 0.03| 8.2 0.2 5000 306 17 269 5| 1.3 3.1 4.5| 47.1 -30.7 16.4 3.3 0.09| 9.4 0.8 6000 287 18 240 9| 1.1 4.2 5.3| 67.8 -60.5 7.3 1.2 0.07| 9.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//CYFB/skewt/CYFB.skewt.20251221.00.gif