UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 3 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 1009 46 -25.9 -28.7 77 2.8 -26.1 335 2 246.6 246.7 246.5 247.6 0.35 1 1004 80 -20.5 -25.0 67 4.5 -21.0 338 2 252.4 252.4 251.8 253.7 0.50 2 1000 108 -19.7 -25.7 59 6.0 -20.4 340 2 253.4 253.5 252.7 254.7 0.47 3 977 282 -15.9 -24.9 46 9.0 -17.1 16 6 259.0 259.0 257.4 260.4 0.52 4 960 415 -15.5 -25.5 42 10.0 -16.9 73 5 260.7 260.8 258.8 262.1 0.50 5 948 510 -15.5 -24.5 46 9.0 -16.9 118 4 261.6 261.7 259.6 263.2 0.55 6 938 590 -15.3 -33.3 20 18.0 -17.4 156 3 262.6 262.7 259.7 263.3 0.25 7 925 695 -15.9 -28.9 32 13.0 -17.6 185 3 263.1 263.1 260.3 264.1 0.38 8 908 835 -16.3 -31.3 26 15.0 -18.1 182 2 264.0 264.1 260.9 264.9 0.31 9 868 1172 -19.3 -28.3 45 9.0 -20.4 155 3 264.3 264.4 261.4 265.6 0.43 10 850 1327 -20.7 -21.7 92 1.0 -20.8 170 6 264.5 264.6 262.2 266.7 0.79 11 830 1503 -21.9 -23.5 87 1.6 -22.1 198 4 265.0 265.1 262.4 267.0 0.69 12 822 1574 -22.3 -25.0 79 2.7 -22.7 209 4 265.3 265.4 262.5 267.1 0.61 13 811 1673 -22.5 -37.5 24 15.0 -23.8 225 3 266.1 266.2 262.3 266.7 0.19 14 766 2090 -24.9 -44.9 14 20.0 -26.2 137 4 267.9 267.9 263.4 268.2 0.09 15 759 2157 -24.9 -31.9 52 7.0 -25.6 118 4 268.6 268.7 264.4 269.7 0.35 16 756 2185 -25.1 -31.1 57 6.0 -25.7 122 5 268.7 268.8 264.5 269.8 0.38 17 740 2341 -25.5 -32.5 52 7.0 -26.2 145 7 269.9 270.0 265.3 270.9 0.34 18 724 2499 -26.9 -31.6 64 4.7 -27.3 165 9 270.1 270.1 265.5 271.2 0.38 19 700 2741 -28.7 -36.7 46 8.0 -29.3 185 11 270.7 270.7 265.6 271.4 0.24 20 692 2823 -28.9 -42.9 25 14.0 -29.8 186 11 271.4 271.4 265.8 271.8 0.13 21 655 3213 -31.5 -49.5 15 18.0 -32.3 190 14 272.7 272.7 266.7 272.9 0.06 22 568 4201 -40.1 -52.1 27 12.0 -40.5 194 20 274.0 274.0 267.4 274.2 0.05 23 500 5060 -45.5 -54.5 36 9.0 -45.7 185 20 277.6 277.6 269.7 277.7 0.05 24 494 5140 -46.1 -55.1 35 9.0 -46.3 182 21 277.8 277.8 269.9 277.9 0.04 25 488 5221 -46.3 -56.3 31 10.0 -46.5 183 20 278.5 278.5 270.3 278.6 0.04 26 414 6298 -52.5 -61.5 33 9.0 -52.6 174 6 283.9 284.0 273.5 284.0 0.02 27 400 6520 -52.9 -62.9 29 10.0 -53.0 155 3 286.2 286.2 274.7 286.3 0.02 28 355 7288 -55.3 -66.3 24 11.0 -55.4 13 4 292.9 293.0 278.2 293.0 0.01 29 335 7658 -56.9 -66.9 27 10.0 -57.0 65 5 295.7 295.7 279.4 295.7 0.01 30 314 8069 -56.9 -68.9 21 12.0 -57.0 33 7 301.2 301.2 281.8 301.2 0.01 31 300 8360 -55.5 -69.5 16 14.0 -55.6 10 8 307.1 307.1 284.2 307.2 0.01 32 250 9530 -51.3 -77.3 3 26.0 -51.7 340 19 329.8 329.8 291.6 329.8 0.00 33 221 10330 -49.1 -80.1 1 31.0 -49.6 2 19 345.0 345.0 295.5 345.0 0.00 34 200 10980 -49.9 -80.9 1 31.0 -50.4 350 17 353.8 353.8 297.4 353.8 0.00 35 150 12870 -48.7 -82.7 1 34.0 -49.4 345 27 386.2 386.2 303.2 386.2 0.00 36 100 15530 -48.7 -83.7 1 35.0 -49.8 340 36 433.6 433.6 309.2 433.6 0.00 37 93 16007 -50.5 -84.5 1 34.0 -51.4 339 37 439.2 439.2 309.8 439.2 0.00 38 75 17423 -47.3 -84.3 1 37.0 -48.9 328 48 473.8 473.8 313.0 473.8 0.00 39 70 17880 -47.7 -84.7 1 37.0 -49.3 325 51 482.3 482.3 313.7 482.4 0.00 40 50 20090 -49.9 -85.9 1 36.0 -51.6 325 56 525.9 525.9 316.6 525.9 0.00 41 42 21228 -51.5 -86.5 1 35.0 -53.2 330 61 548.8 548.8 318.1 548.8 0.01 42 30 23420 -50.7 -86.7 1 36.0 -53.1 330 67 606.4 606.4 320.9 606.5 0.01 43 21 25743 -51.1 -87.1 1 36.0 -54.1 330 69 670.5 670.5 323.4 670.6 0.01 44 20 26060 -51.1 -87.1 1 36.0 -54.3 330 64 679.8 679.8 323.7 679.8 0.01 45 19 26394 -50.5 -86.5 1 36.0 -53.9 330 65 691.7 691.7 324.1 691.8 0.01 TRP 335 7658 -56.9 -66.9 27 10.0 -57.0 65 5 295.7 295.7 279.4 295.7 0.01 WND 21 25743 -51.1 -87.1 1 36.0 -54.1 330 69 670.5 670.5 323.4 670.6 0.01 Sounding variables and indices 1000-500 mb thick: 4952.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 36.19 % Est. max temperature: -8.07 C = 17.47 F Sfc-Lift cond lev (LCL): 962.77 mb = 392.81 m = 1288.72 ft T: -15.57 C 700-500 lapse rate: 7.24 C/km ThetaE index: 0.36 C Layer 811.0- 766.0 mb Conv cond level (CCL): 663.67 mb = 3119.73 m = 10235.20 ft Mean mixing ratio: 0.44 g/kg Conv temperature: -0.04 C = 31.93 F Cap Strength: 11.27 C Lifted Index: 13.72 C Risk: None Lifted Index @300 mb: 32.72 C Lifted Index @700 mb: 9.37 C Showalter Index: 9.03 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 23.80 C K Index: -4.90 Risk: None Sweat Index: 32.00 Risk: None Energy Index: 2.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.10 J/kg Max Up Vert Vel: 9.39 m/s Conv Inhibition (B-): 57458.71 J/kg Cap Strength: 13.39 C Lift Cond Lev (LCL): 808.67 mb = 1693.79 m = 5557.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 219 at 9 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 1009 46 335 2 0.8 -1.8 | 28 10 -4.6 -8.6 1 1000 108 340 2 0.7 -1.9 | 29 10 -4.8 -8.6 2 974 305 20 6 -2.1 -5.6 | 31 14 -7.5 -12.4 3 936 610 165 3 -0.8 2.9 | 58 7 -6.2 -3.9 4 925 695 185 3 0.3 3.0 | 54 6 -5.2 -3.8 5 898 914 180 2 0.0 2.0 | 49 7 -5.4 -4.8 6 862 1219 150 3 -1.5 2.6 | 59 8 -6.9 -4.2 7 850 1327 170 6 -1.0 5.9 | 82 7 -6.5 -0.9 8 793 1829 250 1 0.9 0.3 | 35 8 -4.5 -6.4 9 761 2134 115 4 -3.6 1.7 | 61 10 -9.1 -5.1 10 730 2438 160 8 -2.7 7.5 | 95 8 -8.2 0.7 11 700 2741 185 11 1.0 11.0 | 133 6 -4.5 4.2 12 700 2743 185 10 0.9 10.0 | 125 6 -4.6 3.2 13 613 3658 195 19 4.9 18.4 | 177 12 -0.5 11.6 14 586 3962 190 24 4.2 23.6 | 176 17 -1.3 16.9 15 561 4267 195 19 4.9 18.4 | 177 12 -0.5 11.6 16 513 4877 195 16 4.1 15.5 | 171 9 -1.3 8.7 17 500 5060 185 20 1.7 19.9 | 164 14 -3.7 13.2 18 491 5182 180 21 0.0 21.0 | 159 15 -5.4 14.2 19 468 5486 205 16 6.8 14.5 | 190 8 1.3 7.7 20 447 5791 190 15 2.6 14.8 | 160 8 -2.8 8.0 21 427 6096 190 9 1.6 8.9 | 118 4 -3.9 2.1 22 400 6520 155 3 -1.3 2.7 | 59 8 -6.7 -4.0 23 389 6706 0 0 -0.0 -0.0 | 39 9 -5.4 -6.8 24 337 7620 20 6 -2.1 -5.6 | 31 14 -7.5 -12.4 25 335 7658 65 5 -4.5 -2.1 | 48 13 -10.0 -8.9 26 300 8360 10 8 -1.4 -7.9 | 25 16 -6.8 -14.6 27 292 8534 345 10 2.6 -9.7 | 10 17 -2.9 -16.4 28 278 8839 345 10 2.6 -9.7 | 10 17 -2.9 -16.4 29 265 9144 5 16 -1.4 -15.9 | 17 24 -6.8 -22.7 30 253 9449 335 14 5.9 -12.7 | 359 19 0.5 -19.5 31 250 9530 340 19 6.5 -17.9 | 358 25 1.1 -24.6 32 230 10058 360 19 -0.0 -19.0 | 12 26 -5.4 -25.8 33 210 10668 5 18 -1.6 -17.9 | 16 26 -7.0 -24.7 34 200 10973 5 16 -1.4 -15.9 | 17 24 -6.8 -22.7 35 200 10980 350 17 3.0 -16.7 | 6 24 -2.5 -23.5 36 191 11278 340 19 6.5 -17.9 | 358 25 1.1 -24.6 37 166 12192 350 23 4.0 -22.7 | 3 29 -1.5 -29.4 38 159 12497 335 29 12.3 -26.3 | 348 34 6.8 -33.1 39 150 12870 345 27 7.0 -26.1 | 357 33 1.5 -32.8 40 138 13411 345 24 6.2 -23.2 | 359 30 0.8 -30.0 41 132 13716 335 30 12.7 -27.2 | 348 35 7.2 -34.0 42 120 14326 350 33 5.7 -32.5 | 360 39 0.3 -39.3 43 115 14630 330 34 17.0 -29.4 | 342 38 11.6 -36.2 44 105 15240 335 41 17.3 -37.2 | 345 46 11.9 -43.9 45 100 15530 340 36 12.3 -33.8 | 350 41 6.9 -40.6 46 95 15850 340 36 12.3 -33.8 | 350 41 6.9 -40.6 47 70 17880 325 51 29.3 -41.8 | 334 54 23.8 -48.5 48 66 18288 325 50 28.7 -41.0 | 334 53 23.2 -47.7 49 63 18593 325 64 36.7 -52.4 | 332 67 31.3 -59.2 50 57 19202 320 58 37.3 -44.4 | 328 60 31.8 -51.2 51 50 20090 325 56 32.1 -45.9 | 333 59 26.7 -52.6 52 41 21336 330 62 31.0 -53.7 | 337 66 25.6 -60.5 53 38 21946 335 50 21.1 -45.3 | 343 54 15.7 -52.1 54 31 23165 315 53 37.5 -37.5 | 324 55 32.0 -44.2 55 30 23420 330 67 33.5 -58.0 | 337 71 28.1 -64.8 56 28 23774 330 67 33.5 -58.0 | 337 71 28.1 -64.8 57 26 24384 335 58 24.5 -52.6 | 342 62 19.1 -59.3 58 24 24994 330 52 26.0 -45.0 | 338 56 20.6 -51.8 59 21 25743 330 69 34.5 -59.8 | 336 73 29.1 -66.5 60 20 25908 330 69 34.5 -59.8 | 336 73 29.1 -66.5 61 20 26060 330 64 32.0 -55.4 | 337 68 26.6 -62.2 62 16 26518 330 67 33.5 -58.0 | 337 71 28.1 -64.8 Wind Parameters Mean winds (0-6000m): 188.8 at 11.6 knts Storm direction: 218.8 at 8.7 knts Shear (0-3000m) pos: 2.7 neg: 0.5 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 121.4 deg Storm rel helicity (0-3000m) pos: 66.2 neg: -9.9 tot: 56.3 m^2/s^2 ave: 18.8 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.38 Bulk Shear: 31.96 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 27 4 35 13| 5.7 0.0 5.7| 26.5 -0.5 26.0 52.0 0.55| 14.4 7.9 1000 70 3 48 12| 2.3 0.0 2.3| 27.4 -3.5 23.9 23.9 0.36| 9.3 3.4 1500 155 4 63 8| 1.8 0.0 1.8| 34.0 -7.6 26.3 17.6 0.28| 8.7 2.4 2000 160 3 61 8| 1.4 0.8 2.2| 40.2 -9.9 30.3 15.1 0.27| 8.3 2.3 2500 153 4 65 8| 2.3 0.6 3.0| 57.9 -9.9 48.0 19.2 0.38| 8.8 3.3 3000 168 5 74 7| 2.7 0.5 3.2| 66.2 -9.9 56.3 18.8 0.43| 8.4 3.6 4000 184 9 110 5| 2.7 0.6 3.3| 77.2 -11.3 65.9 16.5 0.41| 7.9 3.2 5000 188 11 133 5| 1.7 0.9 2.5| 78.1 -17.8 60.3 12.1 0.32| 7.5 2.4 6000 189 12 142 6| 1.2 0.8 2.1| 93.1 -34.5 58.5 9.8 0.22| 7.8 1.7 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251203.12.gif