UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for CYFB... Searching the city database file for: CYFB ... Date:0000Z 29 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 ------------------------------------------------------------------------------- SFC 1024 22 -14.1 -18.3 70 4.2 -14.9 350 7 257.3 257.4 256.8 259.7 0.88 1 1009 134 -12.3 -18.3 61 6.0 -13.5 356 12 260.2 260.3 259.2 262.6 0.89 2 1000 202 -12.5 -18.5 61 6.0 -13.6 360 15 260.6 260.8 259.5 263.1 0.89 3 925 790 -18.1 -19.1 92 1.0 -18.3 350 17 260.8 260.9 259.7 263.3 0.91 4 912 896 -18.9 -19.7 93 0.8 -19.0 350 23 261.0 261.2 259.8 263.4 0.88 5 905 953 -18.3 -22.2 71 3.9 -18.9 351 22 262.2 262.3 260.4 264.2 0.71 6 898 1011 -18.3 -21.7 75 3.4 -18.8 352 20 262.8 262.9 260.9 264.9 0.75 7 874 1213 -17.5 -23.5 59 6.0 -18.4 355 12 265.7 265.8 262.9 267.6 0.66 8 867 1274 -15.3 -22.3 55 7.0 -16.5 351 11 268.6 268.7 265.1 270.7 0.74 9 859 1344 -13.9 -29.9 25 16.0 -16.2 346 11 270.8 270.8 265.9 271.9 0.37 10 858 1353 -13.9 -28.9 27 15.0 -16.1 345 11 270.9 270.9 266.1 272.1 0.41 11 850 1424 -13.7 -30.7 22 17.0 -16.1 340 10 271.8 271.9 266.6 272.8 0.35 12 829 1614 -12.5 -37.5 10 25.0 -15.6 333 9 275.0 275.0 268.4 275.6 0.18 13 760 2277 -13.1 -51.1 3 38.0 -16.6 282 8 281.3 281.3 272.0 281.4 0.05 14 700 2901 -14.3 -39.3 10 25.0 -17.4 255 13 286.6 286.7 275.2 287.2 0.18 15 691 2999 -14.5 -39.5 10 25.0 -17.7 258 11 287.5 287.5 275.7 288.1 0.18 16 539 4833 -28.1 -48.1 13 20.0 -29.5 206 25 292.4 292.4 278.0 292.7 0.09 17 520 5090 -28.7 -46.7 16 18.0 -30.0 212 26 294.7 294.7 279.1 295.1 0.11 18 502 5342 -30.7 -50.7 12 20.0 -31.9 202 30 295.3 295.3 279.3 295.5 0.07 19 500 5370 -30.9 -50.9 12 20.0 -32.1 200 31 295.4 295.4 279.4 295.6 0.07 20 426 6483 -39.9 -57.9 13 18.0 -40.5 201 30 297.7 297.7 280.4 297.9 0.04 21 412 6710 -41.3 -46.2 59 4.9 -41.5 205 35 298.8 298.8 281.0 299.3 0.15 22 402 6876 -42.7 -46.9 63 4.2 -42.9 201 39 299.1 299.1 281.1 299.6 0.14 23 400 6910 -42.9 -47.2 63 4.3 -43.1 200 40 299.2 299.3 281.2 299.7 0.14 24 389 7098 -43.7 -48.0 62 4.3 -43.9 198 45 300.6 300.6 281.8 301.0 0.13 25 386 7150 -43.5 -47.4 65 3.9 -43.7 197 47 301.5 301.5 282.2 302.0 0.14 26 361 7600 -45.5 -47.5 80 2.0 -45.6 186 68 304.7 304.7 283.5 305.2 0.15 27 354 7731 -45.5 -49.4 65 3.9 -45.7 185 70 306.4 306.4 284.1 306.8 0.12 28 315 8502 -50.3 -54.8 59 4.5 -50.4 181 81 310.1 310.1 285.4 310.4 0.07 29 313 8544 -50.3 -54.7 60 4.4 -50.4 181 81 310.7 310.7 285.7 310.9 0.07 30 300 8820 -52.7 -57.7 55 5.0 -52.8 180 85 311.1 311.1 285.8 311.3 0.05 31 289 9059 -54.5 -59.5 54 5.0 -54.6 180 86 311.8 311.8 286.1 312.0 0.04 32 277 9329 -56.5 -61.5 53 5.0 -56.6 180 88 312.7 312.7 286.4 312.8 0.03 33 250 9970 -61.5 -66.5 51 5.0 -61.6 185 88 314.6 314.6 287.0 314.7 0.02 34 245 10095 -62.7 -67.3 54 4.6 -62.7 185 88 314.7 314.7 287.0 314.7 0.02 35 231 10456 -64.1 -67.9 60 3.8 -64.1 185 87 317.9 317.9 288.1 317.9 0.02 36 226 10589 -64.7 -68.3 61 3.6 -64.7 185 86 319.0 319.0 288.4 319.0 0.02 37 223 10671 -65.3 -69.9 53 4.6 -65.3 190 79 319.3 319.3 288.5 319.3 0.01 38 219 10781 -63.9 -75.9 18 12.0 -64.0 191 75 323.1 323.1 289.7 323.1 0.01 39 216 10866 -63.7 -77.7 13 14.0 -63.8 191 71 324.7 324.7 290.2 324.7 0.00 40 200 11340 -61.5 -77.5 10 16.0 -61.6 195 53 335.4 335.4 293.2 335.4 0.00 41 194 11529 -60.1 -79.1 7 19.0 -60.2 195 53 340.5 340.5 294.4 340.6 0.00 42 184 11857 -61.1 -81.1 5 20.0 -61.2 202 51 344.1 344.1 295.3 344.1 0.00 43 175 12170 -58.5 -83.5 3 25.0 -58.7 209 49 353.4 353.4 297.4 353.4 0.00 44 152 13048 -60.9 -84.9 3 24.0 -61.1 205 43 363.8 363.8 299.4 363.8 0.00 45 150 13130 -60.9 -84.9 3 24.0 -61.1 205 45 365.2 365.2 299.7 365.2 0.00 46 142 13473 -59.1 -85.1 2 26.0 -59.3 205 42 374.1 374.1 301.3 374.1 0.00 47 118 14625 -64.1 -87.1 3 23.0 -64.3 210 40 385.2 385.2 303.1 385.2 0.00 48 108 15167 -64.9 -86.9 3 22.0 -65.0 214 42 393.6 393.6 304.3 393.6 0.00 49 100 15640 -63.3 -87.3 2 24.0 -63.5 220 42 405.4 405.4 305.9 405.4 0.00 50 87 16489 -64.5 -87.5 3 23.0 -64.7 220 48 419.5 419.5 307.7 419.5 0.00 51 81 16921 -66.7 -88.7 3 22.0 -66.8 221 49 423.6 423.6 308.2 423.6 0.00 52 79 17071 -66.1 -88.1 3 22.0 -66.2 223 48 427.9 427.9 308.6 427.9 0.00 53 70 17800 -66.9 -88.9 3 22.0 -67.1 230 44 441.3 441.3 310.0 441.3 0.00 54 64 18341 -67.5 -89.5 3 22.0 -67.7 230 36 451.4 451.4 311.0 451.4 0.00 55 55 19242 -72.7 -90.7 5 18.0 -72.8 233 47 459.5 459.5 311.7 459.5 0.00 56 50 19800 -73.9 -90.9 6 17.0 -74.0 235 54 469.3 469.3 312.6 469.4 0.00 57 35 21856 -79.9 -92.9 10 13.0 -80.0 241 54 504.1 504.1 315.2 504.1 0.00 58 30 22730 -79.9 -92.9 10 13.0 -80.0 255 60 526.8 526.8 316.7 526.8 0.00 59 24 23986 -81.7 -93.7 11 12.0 -81.8 255 67 556.3 556.3 318.5 556.3 0.00 60 20 25020 -77.3 -92.3 7 15.0 -77.4 265 61 599.6 599.6 320.6 599.6 0.00 61 14 27066 -77.3 -93.3 6 16.0 -77.5 261 39 663.9 663.9 323.2 664.0 0.00 62 13 27488 -79.9 -95.9 5 16.0 -80.0 263 43 669.2 669.2 323.4 669.2 0.00 TRP 223 10671 -65.3 -69.9 53 4.6 -65.3 190 79 319.3 319.3 288.5 319.3 0.01 WND 277 9329 -56.5 -61.5 53 5.0 -56.6 180 88 312.7 312.7 286.4 312.8 0.03 Sounding variables and indices 1000-500 mb thick: 5168.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 25.70 % Est. max temperature: -5.65 C = 21.83 F Sfc-Lift cond lev (LCL): 956.43 mb = 537.99 m = 1765.02 ft T: -15.70 C 700-500 lapse rate: 6.72 C/km ThetaE index: 0.00 C Layer 1024.0-2128654499840.0 mb Conv cond level (CCL): 573.14 mb = 4379.55 m = 14368.43 ft Mean mixing ratio: 0.90 g/kg Conv temperature: 20.11 C = 68.20 F Cap Strength: 26.70 C Lifted Index: 26.74 C Risk: None Lifted Index @300 mb: 34.17 C Lifted Index @700 mb: 22.13 C Showalter Index: 18.71 C Risk: None Total Totals Index: 17.40 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 0.20 C K Index: -38.50 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 4.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.10 J/kg Max Up Vert Vel: 3.77 m/s Conv Inhibition (B-): 52564.65 J/kg Cap Strength: 26.71 C Lift Cond Lev (LCL): 912.60 mb = 890.61 m = 2921.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 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 1024 22 350 7 1.2 -6.9 | 58 14 -11.8 -7.3 1 1000 202 360 15 -0.0 -15.0 | 40 20 -13.0 -15.4 2 986 305 355 15 1.3 -14.9 | 37 19 -11.7 -15.4 3 947 610 350 16 2.8 -15.8 | 32 19 -10.2 -16.2 4 925 790 350 17 3.0 -16.7 | 30 20 -10.0 -17.2 5 910 914 350 24 4.2 -23.6 | 20 26 -8.8 -24.1 6 874 1219 355 12 1.0 -12.0 | 44 17 -11.9 -12.4 7 850 1424 340 10 3.4 -9.4 | 44 14 -9.6 -9.8 8 839 1524 340 10 3.4 -9.4 | 44 14 -9.6 -9.8 9 806 1829 315 6 4.2 -4.2 | 62 10 -8.7 -4.7 10 774 2134 305 8 6.6 -4.6 | 52 8 -6.4 -5.0 11 744 2438 255 7 6.8 1.8 | 103 6 -6.2 1.4 12 715 2743 250 11 10.3 3.8 | 142 4 -2.6 3.3 13 700 2901 255 13 12.6 3.4 | 172 3 -0.4 2.9 14 686 3048 260 10 9.8 1.7 | 113 3 -3.1 1.3 15 658 3353 230 18 13.8 11.6 | 184 11 0.8 11.1 16 631 3658 235 18 14.7 10.3 | 190 10 1.8 9.9 17 581 4267 220 20 12.9 15.3 | 180 15 -0.1 14.9 18 535 4877 205 26 11.0 23.6 | 175 23 -2.0 23.1 19 513 5182 215 26 14.9 21.3 | 185 21 1.9 20.9 20 500 5370 200 31 10.6 29.1 | 175 29 -2.4 28.7 21 492 5486 200 27 9.2 25.4 | 171 25 -3.7 24.9 22 450 6096 200 30 10.3 28.2 | 174 28 -2.7 27.8 23 431 6401 200 28 9.6 26.3 | 173 26 -3.4 25.9 24 412 6706 205 35 14.8 31.7 | 183 31 1.8 31.3 25 400 6910 200 40 13.7 37.6 | 181 37 0.7 37.2 26 394 7010 200 41 14.0 38.5 | 182 38 1.0 38.1 27 359 7620 185 69 6.0 68.7 | 174 69 -7.0 68.3 28 300 8820 180 85 0.0 85.0 | 171 86 -13.0 84.6 29 285 9144 180 87 0.0 87.0 | 171 88 -13.0 86.6 30 277 9329 180 88 0.0 88.0 | 172 89 -13.0 87.6 31 272 9449 180 88 0.0 88.0 | 172 89 -13.0 87.6 32 250 9970 185 88 7.7 87.7 | 177 87 -5.3 87.2 33 223 10668 185 86 7.5 85.7 | 176 85 -5.5 85.2 34 223 10671 190 79 13.7 77.8 | 181 77 0.7 77.4 35 200 11340 195 53 13.7 51.2 | 181 51 0.7 50.8 36 192 11582 195 53 13.7 51.2 | 181 51 0.7 50.8 37 174 12192 210 49 24.5 42.4 | 195 44 11.5 42.0 38 166 12497 200 44 15.0 41.3 | 183 41 2.1 40.9 39 158 12802 205 39 16.5 35.3 | 186 35 3.5 34.9 40 150 13130 205 45 19.0 40.8 | 189 41 6.0 40.4 41 130 14021 205 38 16.1 34.4 | 185 34 3.1 34.0 42 107 15240 215 42 24.1 34.4 | 198 36 11.1 34.0 43 102 15545 230 42 32.2 27.0 | 216 33 19.2 26.6 44 100 15640 220 42 27.0 32.2 | 204 35 14.0 31.7 45 97 15850 220 42 27.0 32.2 | 204 35 14.0 31.7 46 83 16764 220 50 32.1 38.3 | 207 42 19.2 37.9 47 70 17800 230 44 33.7 28.3 | 217 35 20.7 27.8 48 64 18288 230 35 26.8 22.5 | 212 26 13.8 22.1 49 50 19800 235 54 44.2 31.0 | 226 44 31.3 30.5 50 50 19812 220 46 29.6 35.2 | 205 39 16.6 34.8 51 47 20117 240 53 45.9 26.5 | 232 42 32.9 26.1 52 40 21031 225 52 36.8 36.8 | 213 43 23.8 36.3 53 38 21336 235 51 41.8 29.3 | 225 41 28.8 28.8 54 31 22555 250 58 54.5 19.8 | 245 46 41.5 19.4 55 30 22730 255 60 58.0 15.5 | 251 47 45.0 15.1 56 24 24079 255 68 65.7 17.6 | 252 55 52.7 17.2 57 20 25020 265 61 60.8 5.3 | 264 48 47.8 4.9 58 18 25298 260 64 63.0 11.1 | 258 51 50.1 10.7 59 16 25603 270 50 50.0 -0.0 | 271 37 37.0 -0.4 60 15 25908 260 38 37.4 6.6 | 256 25 24.4 6.2 61 12 26518 265 47 46.8 4.1 | 264 34 33.8 3.7 62 10 26822 270 35 35.0 -0.0 | 271 22 22.0 -0.4 63 8 27432 260 40 39.4 6.9 | 256 27 26.4 6.5 64 8 27737 270 29 29.0 -0.0 | 272 16 16.0 -0.4 Wind Parameters Mean winds (0-6000m): 238.1 at 17.3 knts Storm direction: 268.1 at 13.0 knts Shear (0-3000m) pos: 2.3 neg: 3.8 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 62.5 deg Storm rel helicity (0-3000m) pos: 71.8 neg: -66.9 tot: 4.9 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 93.17 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 ------------------------------------------------------------------------------- 500 355 14 40 18| 9.0 0.0 9.0| 0.0 -33.1 -33.1 -66.2 -0.70| 10.7 -7.5 1000 352 16 33 20| 6.6 0.0 6.6| 16.7 -61.5 -44.8 -44.8 -0.43| 11.6 -4.9 1500 351 15 35 19| 4.4 3.5 7.9| 47.4 -62.0 -14.6 -9.8 -0.11| 11.6 -1.3 2000 348 13 37 17| 3.3 3.9 7.2| 57.3 -64.2 -7.0 -3.5 -0.03| 10.4 -0.3 2500 341 12 38 15| 2.6 4.6 7.2| 67.3 -65.4 2.0 0.8 0.09| 10.0 0.9 3000 330 12 34 13| 2.3 3.8 6.2| 71.8 -66.9 4.9 1.6 0.11| 9.6 1.1 4000 297 13 12 7| 1.8 4.4 6.2| 79.8 -70.5 9.3 2.3 0.15| 9.0 1.4 5000 263 15 235 2| 1.4 4.4 5.8| 89.4 -81.0 8.4 1.7 0.12| 8.4 1.0 6000 238 17 191 9| 1.2 4.1 5.3|104.7-116.6 -11.9 -2.0 0.08| 8.2 0.6 Wrote GIF file: /home/apache/climate/data/raob//CYFB/skewt/CYFB.skewt.20251229.00.gif