UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 18 APR 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 1013 46 -16.3 -18.5 83 2.2 -16.7 120 27 255.9 256.0 255.7 258.3 0.88 1 1000 146 -15.7 -19.4 73 3.7 -16.3 130 34 257.5 257.6 256.8 259.7 0.82 2 957 476 -17.1 -20.2 77 3.1 -17.6 160 36 259.3 259.4 258.3 261.5 0.80 3 945 571 -15.3 -20.0 67 4.7 -16.1 171 37 262.1 262.2 260.5 264.3 0.83 4 925 733 -14.3 -18.3 72 4.0 -15.1 175 35 264.7 264.8 262.7 267.4 0.98 5 899 950 -12.9 -16.1 77 3.2 -13.6 176 30 268.3 268.5 265.8 271.7 1.21 6 871 1190 -13.9 -17.4 75 3.5 -14.6 184 31 269.7 269.9 266.6 272.8 1.12 7 850 1375 -15.3 -18.0 80 2.7 -15.9 185 30 270.1 270.3 266.8 273.2 1.09 8 798 1849 -18.1 -19.5 89 1.4 -18.4 175 30 272.1 272.2 268.0 275.0 1.02 9 737 2439 -21.7 -23.2 88 1.5 -22.0 180 32 274.4 274.5 269.1 276.7 0.80 10 714 2672 -21.9 -25.3 74 3.4 -22.4 191 29 276.7 276.8 270.4 278.7 0.68 11 700 2818 -22.5 -24.6 83 2.1 -22.8 195 23 277.6 277.7 271.0 279.8 0.74 12 691 2913 -23.1 -23.9 93 0.8 -23.2 195 21 277.9 278.1 271.3 280.3 0.80 13 658 3272 -23.7 -27.7 70 4.0 -24.2 209 18 281.2 281.3 272.9 283.0 0.60 14 546 4609 -34.3 -36.5 80 2.2 -34.5 215 20 284.0 284.0 274.0 285.0 0.31 15 521 4936 -36.5 -40.5 66 4.0 -36.8 214 22 285.2 285.2 274.5 285.9 0.21 16 500 5220 -38.7 -41.5 75 2.8 -38.9 210 21 285.9 285.9 274.8 286.5 0.20 17 442 6051 -44.7 -47.8 71 3.1 -44.8 201 27 288.5 288.6 276.1 288.9 0.11 18 437 6127 -45.5 -47.3 82 1.8 -45.6 200 27 288.5 288.5 276.1 288.9 0.12 19 428 6265 -46.3 -47.7 86 1.4 -46.3 203 28 289.2 289.2 276.5 289.6 0.12 20 423 6342 -46.9 -49.2 77 2.3 -47.0 204 28 289.4 289.4 276.5 289.7 0.10 21 419 6405 -46.9 -54.9 40 8.0 -47.1 205 28 290.2 290.2 276.8 290.3 0.05 22 415 6468 -47.3 -53.3 50 6.0 -47.4 206 28 290.4 290.5 277.0 290.7 0.06 23 409 6564 -47.9 -54.9 44 7.0 -48.1 208 29 290.9 290.9 277.2 291.1 0.05 24 406 6612 -48.1 -58.1 31 10.0 -48.3 208 29 291.2 291.2 277.3 291.4 0.04 25 400 6710 -48.7 -56.7 39 8.0 -48.9 210 29 291.7 291.7 277.6 291.9 0.04 26 398 6743 -48.9 -55.9 44 7.0 -49.1 211 29 291.9 291.9 277.7 292.0 0.05 27 391 6859 -49.5 -59.5 30 10.0 -49.7 215 29 292.6 292.6 278.0 292.7 0.03 28 379 7063 -50.7 -58.7 38 8.0 -50.8 219 29 293.6 293.6 278.5 293.7 0.04 29 369 7237 -51.5 -62.5 26 11.0 -51.7 215 27 294.8 294.8 279.0 294.9 0.02 30 365 7308 -50.5 -63.5 20 13.0 -50.7 214 27 297.0 297.0 280.0 297.1 0.02 31 353 7525 -51.9 -63.9 22 12.0 -52.1 211 27 298.0 298.0 280.5 298.1 0.02 32 341 7750 -51.7 -66.7 15 15.0 -51.9 218 26 301.2 301.2 281.9 301.3 0.01 33 325 8064 -48.3 -75.3 3 27.0 -48.7 236 23 310.1 310.1 285.4 310.1 0.00 34 308 8417 -49.3 -73.3 4 24.0 -49.6 239 20 313.5 313.5 286.6 313.5 0.01 35 300 8590 -48.1 -73.1 4 25.0 -48.5 240 21 317.6 317.6 287.9 317.6 0.01 36 268 9337 -45.9 -79.9 1 34.0 -46.5 250 19 331.2 331.2 292.0 331.2 0.00 37 250 9800 -45.9 -80.9 1 35.0 -46.5 260 21 337.8 337.8 293.8 337.8 0.00 38 225 10504 -44.7 -81.7 1 37.0 -45.4 264 19 350.0 350.0 296.6 350.0 0.00 39 201 11257 -45.9 -82.9 1 37.0 -46.7 260 20 359.6 359.6 298.6 359.6 0.00 40 200 11290 -45.7 -82.7 1 37.0 -46.5 260 20 360.4 360.4 298.8 360.4 0.00 41 155 12999 -42.9 -82.9 0 40.0 -44.2 252 16 392.4 392.4 304.2 392.4 0.00 42 150 13220 -43.3 -83.3 0 40.0 -44.6 265 17 395.4 395.4 304.6 395.5 0.00 43 108 15409 -46.5 -85.5 0 39.0 -47.7 240 9 428.3 428.3 308.7 428.4 0.00 44 100 15920 -45.5 -84.5 0 39.0 -47.0 235 9 439.8 439.8 309.8 439.8 0.00 45 75 17832 -47.1 -86.1 0 39.0 -48.7 225 11 474.2 474.2 313.0 474.2 0.00 46 70 18290 -46.3 -85.3 0 39.0 -48.1 215 10 485.3 485.3 313.9 485.4 0.00 47 63 18992 -45.1 -85.1 0 40.0 -47.3 207 5 502.8 502.8 315.1 502.9 0.00 48 50 20530 -47.1 -86.1 0 39.0 -49.4 160 9 532.5 532.5 317.1 532.5 0.00 49 40 22007 -47.9 -86.9 0 39.0 -50.4 189 12 565.6 565.6 318.9 565.6 0.01 50 30 23910 -47.1 -86.1 0 39.0 -50.4 275 2 616.2 616.2 321.3 616.3 0.01 51 23 25667 -46.3 -85.3 0 39.0 -50.6 164 9 667.2 667.2 323.3 667.3 0.01 52 20 26590 -47.9 -86.9 0 39.0 -52.1 145 9 689.6 689.6 324.1 689.6 0.01 53 16 28063 -49.3 -87.3 0 38.0 -53.6 122 14 730.4 730.4 325.4 730.5 0.01 54 10 31170 -46.7 -85.7 0 39.0 -53.7 150 3 845.2 845.2 328.3 845.5 0.03 55 9.1 31799 -44.5 -84.5 0 40.0 -52.9 876.8 876.8 329.0 877.1 0.03 56 6.9 33645 -46.3 -85.3 0 39.0 -54.9 941.5 941.5 330.2 941.9 0.04 57 6.0 34584 -41.3 -82.3 0 41.0 -53.4 1001.5 1001.6 331.2 1002.4 0.08 58 4.7 36249 -39.3 -81.3 0 42.0 -53.8 1083.2 1083.3 332.4 1084.6 0.11 59 4.5 36549 -35.9 -78.9 0 43.0 -52.9 1112.7 1112.8 332.8 1115.0 0.18 60 4.3 36865 -36.3 -79.3 0 43.0 -53.3 1125.4 1125.5 333.0 1127.7 0.17 TRP 369 7237 -51.5 -62.5 26 11.0 -51.7 215 27 294.8 294.8 279.0 294.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5074.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 77.89 % Est. max temperature: -2.30 C = 27.87 F Sfc-Lift cond lev (LCL): 977.28 mb = 318.71 m = 1045.61 ft T: -16.43 C 700-500 lapse rate: 6.74 C/km Conv cond level (CCL): 691.00 mb = 2913.10 m = 9557.29 ft Mean mixing ratio: 0.86 g/kg Conv temperature: 5.81 C = 42.46 F Cap Strength: 18.73 C Lifted Index: 19.05 C Risk: None Lifted Index @300 mb: 38.86 C Lifted Index @700 mb: 14.04 C Showalter Index: 10.62 C Risk: None Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 20.70 C K Index: 3.30 Risk: None Sweat Index: 158.83 Risk: None Energy Index: 2.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.17 J/kg Max Up Vert Vel: 8.85 m/s Conv Inhibition (B-): 101394.43 J/kg Cap Strength: 18.97 C Lift Cond Lev (LCL): 906.35 mb = 887.78 m = 2912.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 220 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 1013 46 120 27 -23.4 13.5 | 88 36 -35.5 -1.0 1 1000 146 130 34 -26.0 21.9 | 101 39 -38.2 7.3 2 979 305 140 34 -21.9 26.0 | 109 36 -34.0 11.5 3 940 610 175 37 -3.2 36.9 | 145 27 -15.4 22.3 4 925 733 175 35 -3.1 34.9 | 143 25 -15.2 20.4 5 903 914 175 30 -2.6 29.9 | 136 21 -14.8 15.4 6 868 1219 185 31 2.7 30.9 | 150 19 -9.5 16.4 7 850 1375 185 30 2.6 29.9 | 148 18 -9.5 15.4 8 833 1524 185 30 2.6 29.9 | 148 18 -9.5 15.4 9 800 1829 175 30 -2.6 29.9 | 136 21 -14.8 15.4 10 768 2134 175 30 -2.6 29.9 | 136 21 -14.8 15.4 11 737 2438 180 32 0.0 32.0 | 145 21 -12.2 17.5 12 707 2743 195 28 7.2 27.0 | 159 13 -4.9 12.5 13 700 2818 195 23 6.0 22.2 | 141 10 -6.2 7.7 14 678 3048 195 17 4.4 16.4 | 104 8 -7.8 1.9 15 649 3353 215 19 10.9 15.6 | 130 2 -1.3 1.0 16 622 3658 220 17 10.9 13.0 | 40 2 -1.2 -1.5 17 571 4267 215 18 10.3 14.7 | 97 2 -1.8 0.2 18 525 4877 215 22 12.6 18.0 | 187 4 0.5 3.5 19 500 5220 210 21 10.5 18.2 | 156 4 -1.7 3.7 20 439 6096 200 27 9.2 25.4 | 165 11 -2.9 10.9 21 400 6710 210 29 14.5 25.1 | 192 11 2.3 10.6 22 382 7010 220 30 19.3 23.0 | 220 11 7.1 8.5 23 369 7237 215 27 15.5 22.1 | 204 8 3.3 7.6 24 348 7620 210 27 13.5 23.4 | 189 9 1.3 8.9 25 317 8230 245 22 19.9 9.3 | 304 9 7.8 -5.2 26 303 8534 235 18 14.7 10.3 | 328 5 2.6 -4.2 27 300 8590 240 21 18.2 10.5 | 304 7 6.0 -4.0 28 276 9144 245 20 18.1 8.5 | 315 9 6.0 -6.1 29 252 9754 260 18 17.7 3.1 | 334 13 5.6 -11.4 30 250 9800 260 21 20.7 3.6 | 322 14 8.5 -10.9 31 220 10668 265 19 18.9 1.7 | 332 15 6.8 -12.9 32 200 11290 260 20 19.7 3.5 | 326 13 7.5 -11.0 33 175 12192 265 19 18.9 1.7 | 332 15 6.8 -12.9 34 153 13106 250 16 15.0 5.5 | 342 9 2.9 -9.0 35 150 13220 265 17 16.9 1.5 | 340 14 4.8 -13.0 36 146 13411 270 14 14.0 -0.0 | 353 15 1.8 -14.5 37 133 14021 245 10 9.1 4.2 | 17 11 -3.1 -10.3 38 127 14326 225 14 9.9 9.9 | 26 5 -2.3 -4.6 39 121 14630 225 15 10.6 10.6 | 22 4 -1.6 -3.9 40 116 14935 250 10 9.4 3.4 | 14 11 -2.8 -11.1 41 111 15240 240 6 5.2 3.0 | 31 13 -7.0 -11.5 42 106 15545 240 11 9.5 5.5 | 16 9 -2.6 -9.0 43 101 15850 225 10 7.1 7.1 | 34 9 -5.1 -7.4 44 100 15920 235 9 7.4 5.2 | 27 11 -4.8 -9.4 45 97 16154 235 9 7.4 5.2 | 27 11 -4.8 -9.4 46 88 16764 210 12 6.0 10.4 | 56 7 -6.2 -4.1 47 80 17374 240 18 15.6 9.0 | 328 6 3.4 -5.5 48 77 17678 245 13 11.8 5.5 | 2 9 -0.4 -9.0 49 73 17983 205 10 4.2 9.1 | 56 10 -7.9 -5.5 50 70 18288 245 10 9.1 4.2 | 17 11 -3.1 -10.3 51 70 18290 215 10 5.7 8.2 | 45 9 -6.4 -6.3 52 67 18593 220 10 6.4 7.7 | 40 9 -5.7 -6.9 53 61 19202 200 3 1.0 2.8 | 44 16 -11.1 -11.7 54 58 19507 175 10 -0.9 10.0 | 71 14 -13.0 -4.6 55 56 19812 205 13 5.5 11.8 | 68 7 -6.7 -2.7 56 53 20117 215 14 8.0 11.5 | 54 5 -4.1 -3.0 57 50 20530 160 9 -3.1 8.5 | 68 16 -15.2 -6.1 58 46 21031 180 10 0.0 10.0 | 70 13 -12.2 -4.5 59 44 21336 165 8 -2.1 7.7 | 64 16 -14.2 -6.8 60 40 21946 190 12 2.1 11.8 | 75 10 -10.1 -2.7 61 35 22860 175 10 -0.9 10.0 | 71 14 -13.0 -4.6 62 32 23470 205 10 4.2 9.1 | 56 10 -7.9 -5.5 63 30 23910 275 2 2.0 -0.2 | 35 18 -10.2 -14.7 64 28 24384 265 2 2.0 0.2 | 35 18 -10.2 -14.3 65 22 25908 145 10 -5.7 8.2 | 71 19 -17.9 -6.3 66 21 26213 165 10 -2.6 9.7 | 72 16 -14.7 -4.9 67 20 26590 145 9 -5.2 7.4 | 68 19 -17.3 -7.1 68 19 26822 135 10 -7.1 7.1 | 69 21 -19.2 -7.4 69 18 27127 145 10 -5.7 8.2 | 71 19 -17.9 -6.3 70 18 27432 120 10 -8.7 5.0 | 65 23 -20.8 -9.5 71 17 27737 135 11 -7.8 7.8 | 71 21 -19.9 -6.7 72 16 28042 120 14 -12.1 7.0 | 73 25 -24.3 -7.5 73 15 28346 150 15 -7.5 13.0 | 86 20 -19.7 -1.5 74 15 28651 180 10 0.0 10.0 | 70 13 -12.2 -4.5 75 12 29870 85 10 -10.0 -0.9 | 55 27 -22.1 -15.4 76 10 31170 150 3 -1.5 2.6 | 49 18 -13.7 -11.9 Wind Parameters Mean winds (0-6000m): 190.0 at 25.2 knts Storm direction: 220.0 at 18.9 knts Shear (0-3000m) pos: 5.6 neg: 0.8 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 15.8 deg Storm rel helicity (0-3000m) pos: 352.6 neg: -66.3 tot: 286.4 m^2/s^2 ave: 95.5 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 13.2 stream: 4.8 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.48 Bulk Shear: 81.97 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 ------------------------------------------------------------------------------- 500 143 34 111 35| 27.8 0.0 27.8|264.0 0.0 264.0 527.9 0.91| 32.8 29.8 1000 159 34 125 29| 14.7 0.0 14.7|301.8 -19.7 282.1 282.1 0.70| 23.0 16.2 1500 167 33 132 26| 10.4 0.0 10.4|315.7 -23.5 292.2 194.8 0.68| 16.8 11.4 2000 170 32 133 25| 7.8 1.2 9.1|315.7 -43.5 272.2 136.1 0.55| 13.9 7.6 2500 172 32 135 24| 7.3 1.0 8.3|342.7 -43.5 299.2 119.7 0.57| 12.4 7.1 3000 174 30 136 22| 5.6 0.8 6.5|352.6 -66.3 286.4 95.5 0.36| 13.2 4.8 4000 181 27 137 17| 5.0 0.7 5.7|355.2 -67.0 288.1 72.0 0.33| 11.2 3.6 5000 187 26 140 14| 4.0 0.6 4.6|357.1 -67.9 289.2 57.8 0.34| 9.5 3.2 6000 190 25 143 13| 3.4 1.1 4.5|358.4 -68.9 289.4 48.2 0.31| 8.6 2.7 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20250418.12.gif