UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 11 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 -26.7 -29.5 77 2.8 -26.9 240 1 245.7 245.8 245.6 246.6 0.33 1 1008 60 -25.3 -28.0 78 2.7 -25.5 238 3 247.3 247.3 247.1 248.3 0.38 2 1000 116 -25.7 -28.9 74 3.2 -26.0 230 9 247.4 247.5 247.2 248.4 0.35 3 976 292 -26.7 -28.1 88 1.4 -26.8 258 17 248.2 248.2 247.9 249.2 0.39 4 962 397 -25.9 -26.3 96 0.4 -25.9 262 17 250.0 250.1 249.7 251.3 0.46 5 925 682 -23.9 -24.8 92 0.9 -24.0 265 16 254.9 255.0 254.1 256.4 0.55 6 919 730 -23.5 -25.4 84 1.9 -23.7 263 17 255.8 255.8 254.8 257.2 0.53 7 897 907 -23.5 -25.1 87 1.6 -23.7 255 21 257.5 257.6 256.4 259.1 0.55 8 862 1197 -24.9 -27.6 78 2.7 -25.2 260 24 259.0 259.1 257.3 260.3 0.46 9 850 1299 -23.7 -27.1 74 3.4 -24.1 270 22 261.3 261.4 259.2 262.7 0.49 10 838 1403 -23.1 -27.1 70 4.0 -23.6 277 21 263.0 263.1 260.6 264.4 0.49 11 742 2282 -29.7 -32.4 77 2.7 -29.9 280 20 265.1 265.2 261.9 266.1 0.34 12 739 2311 -29.9 -31.8 83 1.9 -30.0 279 21 265.2 265.3 261.9 266.3 0.36 13 736 2340 -29.5 -32.9 72 3.4 -29.8 278 21 266.0 266.0 262.4 266.9 0.33 14 700 2696 -31.9 -35.6 70 3.7 -32.1 275 23 267.2 267.2 263.2 267.9 0.26 15 683 2870 -32.5 -36.8 65 4.3 -32.8 259 24 268.4 268.4 264.0 269.1 0.24 16 676 2942 -32.5 -34.5 82 2.0 -32.7 249 25 269.2 269.2 264.7 270.1 0.30 17 650 3218 -33.9 -34.6 93 0.7 -34.0 239 27 270.6 270.7 265.7 271.6 0.31 18 643 3294 -33.9 -37.6 69 3.7 -34.1 241 28 271.5 271.5 266.1 272.2 0.23 19 634 3392 -34.5 -36.5 82 2.0 -34.6 243 28 271.9 271.9 266.5 272.7 0.27 20 627 3470 -34.1 -42.1 44 8.0 -34.6 245 29 273.2 273.2 267.1 273.7 0.15 21 618 3571 -34.9 -41.9 49 7.0 -35.3 248 29 273.4 273.4 267.3 273.9 0.16 22 606 3708 -35.1 -42.1 49 7.0 -35.5 251 30 274.7 274.7 268.1 275.2 0.16 23 598 3801 -34.7 -47.7 26 13.0 -35.3 254 31 276.2 276.2 269.0 276.5 0.09 24 574 4086 -35.7 -50.7 20 15.0 -36.3 256 32 278.3 278.3 270.2 278.5 0.06 25 541 4497 -36.9 -54.9 14 18.0 -37.5 252 33 281.6 281.6 272.2 281.8 0.04 26 534 4587 -37.1 -48.1 31 11.0 -37.6 253 32 282.4 282.5 272.8 282.7 0.09 27 516 4824 -37.9 -53.9 17 16.0 -38.5 255 32 284.3 284.3 273.7 284.4 0.05 28 502 5013 -39.1 -50.1 30 11.0 -39.5 267 32 285.0 285.1 274.2 285.3 0.08 29 500 5040 -39.1 -51.1 27 12.0 -39.6 270 32 285.4 285.4 274.3 285.6 0.07 30 464 5551 -40.9 -59.9 11 19.0 -41.4 270 27 289.3 289.3 276.3 289.4 0.03 31 444 5850 -42.7 -54.7 26 12.0 -43.0 267 24 290.7 290.7 277.1 290.9 0.05 32 439 5926 -42.5 -61.5 11 19.0 -43.0 266 24 291.9 291.9 277.6 292.0 0.02 33 423 6177 -43.7 -53.7 32 10.0 -44.0 266 21 293.5 293.5 278.4 293.7 0.06 34 400 6550 -46.9 -54.9 40 8.0 -47.1 270 23 294.0 294.0 278.7 294.2 0.06 35 369 7078 -51.1 -57.1 49 6.0 -51.2 272 29 295.3 295.3 279.3 295.5 0.05 36 361 7220 -52.1 -58.1 48 6.0 -52.2 273 31 295.8 295.8 279.6 296.0 0.04 37 330 7796 -54.9 -63.9 32 9.0 -55.0 278 38 299.7 299.7 281.2 299.8 0.02 38 305 8296 -57.5 -64.5 41 7.0 -57.6 285 33 302.9 302.9 282.5 302.9 0.02 39 300 8400 -57.3 -65.3 36 8.0 -57.4 285 27 304.6 304.6 283.2 304.7 0.02 40 291 8592 -57.7 -68.7 23 11.0 -57.8 280 24 306.7 306.7 284.1 306.7 0.01 41 284 8745 -56.1 -74.1 9 18.0 -56.3 267 23 311.1 311.1 285.7 311.1 0.01 42 267 9139 -53.1 -77.1 4 24.0 -53.4 260 22 321.0 321.0 289.0 321.0 0.00 43 256 9408 -54.3 -78.3 4 24.0 -54.5 269 17 323.1 323.1 289.7 323.2 0.00 44 250 9560 -52.9 -78.9 3 26.0 -53.2 255 24 327.4 327.4 291.0 327.4 0.00 45 246 9664 -51.5 -79.5 2 28.0 -51.8 255 21 331.0 331.0 292.0 331.0 0.00 46 229 10130 -49.5 -80.5 1 31.0 -50.0 242 21 340.9 340.9 294.6 340.9 0.00 47 209 10724 -51.3 -81.3 2 30.0 -51.7 248 10 347.1 347.1 296.0 347.1 0.00 48 200 11010 -50.3 -82.3 1 32.0 -50.8 235 14 353.1 353.1 297.3 353.1 0.00 49 195 11176 -48.9 -81.9 1 33.0 -49.5 232 14 357.9 357.9 298.3 357.9 0.00 50 154 12719 -51.7 -83.7 1 32.0 -52.2 261 10 378.1 378.1 301.9 378.1 0.00 51 150 12890 -50.7 -82.7 1 32.0 -51.3 270 10 382.7 382.7 302.7 382.7 0.00 52 101 15446 -53.9 -84.9 1 31.0 -54.5 327 10 422.4 422.4 308.0 422.4 0.00 53 100 15510 -53.7 -84.7 1 31.0 -54.3 335 10 424.0 424.0 308.2 424.0 0.00 54 81 16858 -55.7 -86.7 1 31.0 -56.3 347 19 446.2 446.2 310.5 446.2 0.00 55 70 17780 -59.3 -88.3 1 29.0 -59.7 350 21 457.5 457.5 311.5 457.5 0.00 56 50 19880 -61.3 -89.3 1 28.0 -61.8 10 23 499.0 499.0 314.9 499.0 0.00 57 31 22820 -65.1 -91.1 2 26.0 -65.6 350 47 561.9 561.9 318.8 561.9 0.00 58 30 23020 -64.3 -91.3 1 27.0 -64.8 350 49 569.3 569.3 319.1 569.4 0.00 59 26 23893 -63.7 -90.7 1 27.0 -64.4 353 41 594.8 594.8 320.4 594.9 0.00 60 20 25480 -67.9 -92.9 2 25.0 -68.4 355 62 628.3 628.3 321.8 628.4 0.00 61 13 28058 -70.9 -93.9 2 23.0 -71.4 347 74 700.3 700.3 324.4 700.4 0.00 62 12 28536 -68.3 -93.3 2 25.0 -69.1 347 78 725.8 725.8 325.3 725.8 0.01 63 10 29620 -72.7 -94.8 2 22.2 -73.2 350 99 748.3 748.3 325.9 748.4 0.00 64 9.9 29679 -72.9 -94.9 2 22.0 -73.4 350 99 749.6 749.6 325.9 749.6 0.00 65 8.6 30512 -69.5 -94.5 1 25.0 -70.4 350 99 793.6 793.6 327.1 793.7 0.01 66 7.2 31564 -72.3 -95.3 2 23.0 -73.0 350 99 823.5 823.5 327.8 823.6 0.01 67 5.3 33377 -69.9 -94.9 1 25.0 -71.2 909.7 909.7 329.6 909.7 0.01 TRP 305 8296 -57.5 -64.5 41 7.0 -57.6 285 33 302.9 302.9 282.5 302.9 0.02 WND 10 29620 -72.7 -94.8 2 22.2 -73.2 350 99 748.3 748.3 325.9 748.4 0.00 Sounding variables and indices 1000-500 mb thick: 4924.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 61.68 % Est. max temperature: -13.01 C = 8.58 F Sfc-Lift cond lev (LCL): 963.64 mb = 384.21 m = 1260.50 ft T: -25.99 C 700-500 lapse rate: 3.07 C/km ThetaE index: 0.00 C Layer 1010.0-34559928603461275323878021909184512.0 mb Conv cond level (CCL): 987.25 mb = 208.92 m = 685.44 ft Mean mixing ratio: 0.45 g/kg Conv temperature: -24.62 C = -12.31 F Cap Strength: 27.03 C Lifted Index: 27.27 C Risk: None Lifted Index @300 mb: 37.13 C Lifted Index @700 mb: 13.78 C Showalter Index: 18.65 C Risk: None Total Totals Index: 27.40 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 12.00 C K Index: -15.40 Risk: None Sweat Index: 76.00 Risk: None Energy Index: 4.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.55 J/kg Max Up Vert Vel: 8.89 m/s Conv Inhibition (B-): 83988.61 J/kg Cap Strength: 26.84 C Lift Cond Lev (LCL): 937.88 mb = 581.31 m = 1907.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 19 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 46 240 1 0.9 0.5 | 114 18 -16.4 7.3 1 1000 116 230 9 6.9 5.8 | 140 16 -10.4 12.6 2 974 305 260 18 17.7 3.1 | 183 10 0.4 9.9 3 934 610 265 16 15.9 1.4 | 171 8 -1.3 8.2 4 925 682 265 16 15.9 1.4 | 171 8 -1.3 8.2 5 896 914 255 21 20.3 5.4 | 194 13 3.0 12.2 6 859 1219 260 24 23.6 4.2 | 210 13 6.3 11.0 7 850 1299 270 22 22.0 -0.0 | 215 8 4.7 6.8 8 824 1524 285 20 19.3 -5.2 | 232 3 2.0 1.6 9 790 1829 280 18 17.7 -3.1 | 187 4 0.4 3.7 10 757 2134 285 19 18.4 -4.9 | 210 2 1.1 1.9 11 726 2438 275 22 21.9 -1.9 | 224 7 4.6 4.9 12 700 2696 275 23 22.9 -2.0 | 230 7 5.6 4.8 13 695 2743 275 23 22.9 -2.0 | 230 7 5.6 4.8 14 666 3048 235 26 21.3 14.9 | 190 22 4.0 21.7 15 610 3658 250 30 28.2 10.3 | 213 20 10.9 17.0 16 584 3962 260 32 31.5 5.6 | 229 19 14.2 12.3 17 559 4267 250 33 31.0 11.3 | 217 23 13.7 18.1 18 512 4877 255 32 30.9 8.3 | 222 20 13.6 15.1 19 500 5040 270 32 32.0 -0.0 | 245 16 14.7 6.8 20 468 5486 270 28 28.0 -0.0 | 238 13 10.7 6.8 21 428 6096 265 22 21.9 1.9 | 208 10 4.6 8.7 22 409 6401 270 19 19.0 -0.0 | 194 7 1.7 6.8 23 400 6550 270 23 23.0 -0.0 | 220 9 5.7 6.8 24 339 7620 275 36 35.9 -3.1 | 259 19 18.6 3.6 25 323 7925 280 39 38.4 -6.8 | 270 21 21.1 0.0 26 305 8296 285 33 31.9 -8.5 | 277 15 14.6 -1.8 27 300 8400 285 27 26.1 -7.0 | 271 9 8.8 -0.2 28 294 8534 285 24 23.2 -6.2 | 264 6 5.9 0.6 29 280 8839 260 22 21.7 3.8 | 202 11 4.4 10.6 30 267 9144 260 22 21.7 3.8 | 202 11 4.4 10.6 31 254 9449 270 16 16.0 -0.0 | 169 7 -1.3 6.8 32 250 9560 255 24 23.2 6.2 | 204 14 5.9 13.0 33 243 9754 255 19 18.4 4.9 | 185 12 1.1 11.7 34 232 10058 235 23 18.8 13.2 | 184 20 1.6 20.0 35 221 10363 265 15 14.9 1.3 | 164 8 -2.3 8.1 36 211 10668 250 9 8.5 3.1 | 138 13 -8.8 9.9 37 200 11010 235 14 11.5 8.0 | 159 16 -5.8 14.8 38 192 11278 230 14 10.7 9.0 | 157 17 -6.6 15.8 39 183 11582 275 12 12.0 -1.0 | 137 8 -5.3 5.7 40 175 11887 255 12 11.6 3.1 | 150 11 -5.7 9.9 41 167 12192 275 12 12.0 -1.0 | 137 8 -5.3 5.7 42 159 12497 250 11 10.3 3.8 | 147 13 -7.0 10.5 43 150 12890 270 10 10.0 -0.0 | 133 10 -7.3 6.8 44 145 13106 260 10 9.8 1.7 | 139 11 -7.4 8.5 45 132 13716 315 3 2.1 -2.1 | 107 16 -15.2 4.7 46 126 14021 320 10 6.4 -7.7 | 85 11 -10.9 -0.9 47 120 14326 305 10 8.2 -5.7 | 97 9 -9.1 1.0 48 115 14630 320 11 7.1 -8.4 | 81 10 -10.2 -1.6 49 109 14935 290 11 10.3 -3.8 | 113 8 -7.0 3.0 50 104 15240 300 12 10.4 -6.0 | 96 7 -6.9 0.8 51 100 15510 335 10 4.2 -9.1 | 80 13 -13.1 -2.3 52 99 15545 300 13 11.3 -6.5 | 93 6 -6.0 0.3 53 95 15850 330 10 5.0 -8.7 | 81 12 -12.3 -1.9 54 90 16154 320 16 10.3 -12.3 | 52 9 -7.0 -5.5 55 82 16764 350 20 3.5 -19.7 | 47 19 -13.8 -12.9 56 78 17069 340 18 6.2 -16.9 | 48 15 -11.1 -10.1 57 75 17374 350 17 3.0 -16.7 | 55 17 -14.3 -10.0 58 71 17678 335 19 8.0 -17.2 | 42 14 -9.3 -10.4 59 70 17780 350 21 3.6 -20.7 | 44 19 -13.6 -13.9 60 68 17983 350 21 3.6 -20.7 | 44 19 -13.6 -13.9 61 65 18288 330 23 11.5 -19.9 | 24 14 -5.8 -13.1 62 59 18898 345 22 5.7 -21.3 | 39 19 -11.6 -14.5 63 56 19202 330 23 11.5 -19.9 | 24 14 -5.8 -13.1 64 53 19507 350 22 3.8 -21.7 | 42 20 -13.5 -14.9 65 51 19812 345 22 5.7 -21.3 | 39 19 -11.6 -14.5 66 50 19880 10 23 -4.0 -22.7 | 53 27 -21.3 -15.9 67 48 20117 10 20 -3.5 -19.7 | 58 24 -20.8 -12.9 68 44 20726 335 29 12.3 -26.3 | 14 20 -5.0 -19.5 69 39 21336 350 36 6.3 -35.5 | 21 31 -11.0 -28.7 70 30 23020 350 49 8.5 -48.3 | 12 42 -8.8 -41.5 71 28 23470 355 51 4.4 -50.8 | 16 46 -12.8 -44.0 72 24 24384 350 30 5.2 -29.5 | 28 26 -12.1 -22.8 73 21 25298 355 67 5.8 -66.7 | 11 61 -11.4 -60.0 74 20 25480 355 62 5.4 -61.8 | 12 56 -11.9 -55.0 75 19 25908 350 56 9.7 -55.1 | 9 49 -7.6 -48.4 76 17 26518 340 66 22.6 -62.0 | 355 55 5.3 -55.2 77 16 26822 330 52 26.0 -45.0 | 347 39 8.7 -38.2 78 15 27127 340 44 15.0 -41.3 | 4 35 -2.2 -34.6 79 14 27432 340 54 18.5 -50.7 | 358 44 1.2 -44.0 80 12 28346 350 83 14.4 -81.7 | 2 75 -2.9 -75.0 81 11 28956 340 66 22.6 -62.0 | 355 55 5.3 -55.2 82 10 29620 350 99 17.2 -97.5 | 0 91 -0.1 -90.7 83 7 30175 350 99 17.2 -97.5 | 0 91 -0.1 -90.7 Wind Parameters Mean winds (0-6000m): 261.4 at 24.8 knts Storm direction: 291.4 at 18.6 knts Shear (0-3000m) pos: 2.7 neg: 4.2 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 76.7 deg Storm rel helicity (0-3000m) pos: 93.1 neg: -40.4 tot: 52.7 m^2/s^2 ave: 17.6 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 11.6 stream: 2.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.54 Bulk Shear: 15.56 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 ------------------------------------------------------------------------------- 500 256 14 160 11| 16.0 0.0 16.0| 64.3 -2.9 61.4 122.8 0.76| 21.6 16.3 1000 258 16 173 10| 8.0 3.2 11.2| 79.7 -3.9 75.8 75.8 0.73| 14.8 10.8 1500 262 18 185 9| 5.4 2.2 7.5| 90.4 -3.9 86.5 57.7 0.62| 13.9 8.6 2000 267 18 188 8| 4.0 1.5 5.5| 91.0 -5.5 85.5 42.7 0.54| 11.4 6.1 2500 270 19 193 7| 3.2 2.2 5.4| 92.5 -5.5 87.0 34.8 0.51| 10.2 5.2 3000 268 20 198 8| 2.7 4.2 6.8| 93.1 -40.4 52.7 17.6 0.24| 11.6 2.8 4000 262 22 205 11| 3.6 3.1 6.8|165.4 -44.8 120.6 30.2 0.35| 10.6 3.7 5000 260 24 210 13| 3.7 2.8 6.4|209.1 -60.8 148.3 29.7 0.36| 10.0 3.6 6000 261 25 214 13| 3.1 2.4 5.4|209.1 -83.3 125.8 21.0 0.26| 9.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251211.12.gif