UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for CYCB... Searching the city database file for: CYCB ... Date:0000Z 18 APR 25 Station: CYCB WMO ident: 71925 Latitude: 69.10 Longitude: -105.12 Elevation: 27.00 ------------------------------------------------------------------------------- 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 1016 27 -11.3 -13.8 82 2.5 -11.9 165 9 260.7 260.9 260.3 264.1 1.29 1 1006 104 -11.3 -13.7 82 2.4 -11.8 177 15 261.4 261.6 261.0 264.9 1.32 2 1000 151 -10.9 -13.8 79 2.9 -11.6 185 19 262.2 262.5 261.6 265.8 1.31 3 997 174 -9.9 -13.5 75 3.6 -10.8 189 20 263.5 263.7 262.6 267.1 1.35 4 981 299 -10.7 -13.7 79 3.0 -11.4 209 23 263.9 264.1 262.9 267.6 1.35 5 964 434 -9.1 -12.1 79 3.0 -9.9 210 24 266.8 267.1 265.4 271.1 1.56 6 949 556 -4.9 -9.0 73 4.1 -6.2 210 25 272.3 272.6 269.9 277.9 2.03 7 937 656 -5.3 -9.1 75 3.8 -6.5 212 26 272.9 273.2 270.2 278.6 2.04 8 925 757 -5.7 -9.9 72 4.2 -7.0 215 27 273.5 273.8 270.5 278.9 1.94 9 903 945 -5.9 -11.9 63 6.0 -7.6 222 26 275.2 275.4 271.1 280.0 1.70 10 864 1290 -7.3 -12.1 68 4.8 -8.7 235 22 277.2 277.5 272.4 282.2 1.75 11 850 1417 -8.3 -12.4 72 4.1 -9.5 235 20 277.5 277.7 272.5 282.4 1.73 12 778 2098 -12.7 -13.8 91 1.1 -13.0 238 19 279.8 280.1 273.9 284.7 1.69 13 762 2256 -13.5 -17.3 73 3.8 -14.4 242 19 280.6 280.9 273.7 284.4 1.29 14 726 2622 -16.3 -20.3 71 4.0 -17.1 239 18 281.5 281.7 273.8 284.6 1.05 15 705 2843 -17.7 -21.8 70 4.1 -18.5 232 19 282.3 282.5 274.1 285.2 0.95 16 700 2896 -17.9 -24.9 54 7.0 -19.1 230 20 282.7 282.8 273.9 284.9 0.72 17 699 2907 -18.1 -26.1 50 8.0 -19.4 230 20 282.6 282.7 273.8 284.5 0.65 18 679 3123 -19.5 -23.7 69 4.2 -20.3 237 21 283.3 283.5 274.5 285.9 0.83 19 643 3526 -22.9 -26.0 76 3.1 -23.4 240 24 283.9 284.1 274.6 286.1 0.71 20 634 3630 -23.3 -25.2 84 1.9 -23.6 236 25 284.6 284.8 275.1 287.0 0.78 21 570 4404 -27.5 -29.9 80 2.4 -27.8 271 26 288.5 288.6 276.8 290.3 0.56 22 560 4531 -27.1 -30.3 74 3.2 -27.5 267 24 290.4 290.5 277.7 292.2 0.55 23 550 4661 -27.7 -31.4 71 3.7 -28.2 263 22 291.2 291.3 278.0 292.8 0.50 24 500 5340 -33.3 -36.0 77 2.7 -33.6 270 27 292.4 292.5 278.4 293.6 0.35 25 471 5757 -35.7 -37.4 84 1.7 -35.8 279 34 294.5 294.6 279.4 295.6 0.33 26 435 6304 -39.9 -42.6 75 2.7 -40.1 280 29 295.9 296.0 279.8 296.7 0.21 27 421 6526 -41.9 -42.9 90 1.0 -41.9 280 31 296.2 296.2 280.0 296.9 0.21 28 410 6704 -43.3 -46.3 72 3.0 -43.5 280 32 296.6 296.6 280.1 297.1 0.15 29 408 6737 -43.7 -50.7 46 7.0 -44.0 282 33 296.5 296.5 279.9 296.8 0.09 30 407 6754 -43.7 -57.7 20 14.0 -44.1 283 34 296.7 296.7 279.9 296.9 0.04 31 405 6787 -43.9 -61.9 12 18.0 -44.3 285 35 296.9 296.9 280.0 297.0 0.02 32 400 6870 -43.7 -56.7 22 13.0 -44.1 290 39 298.2 298.2 280.6 298.4 0.04 33 381 7195 -45.1 -58.1 22 13.0 -45.4 301 48 300.5 300.5 281.6 300.7 0.04 34 370 7390 -44.5 -61.5 13 17.0 -44.9 305 53 303.9 303.9 283.0 304.0 0.03 35 320 8354 -46.5 -72.1 4 25.5 -47.0 315 78 313.9 313.9 286.7 313.9 0.01 36 312 8522 -46.9 -73.9 3 27.0 -47.3 315 78 315.7 315.7 287.3 315.7 0.01 37 300 8780 -48.3 -74.3 3 26.0 -48.7 315 69 317.3 317.3 287.9 317.3 0.01 38 284 9139 -49.9 -76.9 3 27.0 -50.3 315 66 320.0 320.0 288.8 320.0 0.00 39 271 9444 -50.5 -74.5 4 24.0 -50.8 315 61 323.4 323.4 289.8 323.5 0.01 40 250 9970 -50.1 -79.1 2 29.0 -50.5 315 48 331.6 331.6 292.2 331.6 0.00 41 200 11430 -49.3 -82.3 1 33.0 -49.8 315 33 354.7 354.7 297.6 354.7 0.00 42 150 13320 -49.7 -82.7 1 33.0 -50.4 300 23 384.4 384.4 302.9 384.4 0.00 43 100 15980 -47.9 -82.9 1 35.0 -49.1 260 4 435.2 435.2 309.4 435.2 0.00 44 76 17788 -47.1 -83.1 1 36.0 -48.7 283 10 472.4 472.4 312.8 472.4 0.01 45 70 18330 -48.1 -84.1 1 36.0 -49.7 330 10 481.5 481.5 313.5 481.5 0.00 46 53 20165 -48.3 -84.3 1 36.0 -50.2 356 1 520.9 520.9 316.4 520.9 0.01 47 50 20550 -47.3 -84.3 1 37.0 -49.5 110 9 532.0 532.0 317.1 532.0 0.01 48 47 20960 -46.9 -83.9 1 37.0 -49.3 159 6 542.5 542.5 317.6 542.5 0.01 49 31 23705 -49.7 -85.7 1 36.0 -52.3 136 8 603.5 603.5 320.7 603.5 0.01 50 30 23920 -48.9 -84.9 1 36.0 -51.8 130 8 611.3 611.3 321.1 611.4 0.01 51 20 26580 -46.7 -84.7 1 38.0 -51.2 105 4 693.2 693.2 324.2 693.3 0.02 52 18 27281 -46.5 -84.5 1 38.0 -51.4 97 8 715.1 715.1 324.9 715.2 0.02 53 15 28484 -49.9 -85.9 1 36.0 -54.2 84 10 742.0 742.1 325.7 742.2 0.02 54 10 31160 -46.3 -84.3 1 38.0 -53.4 130 7 846.7 846.7 328.3 847.0 0.03 55 5.6 35067 -39.9 -80.9 0 41.0 -53.1 1027.6 1027.7 331.6 1028.9 0.10 56 5.1 35704 -41.1 -82.1 0 41.0 -54.1 1050.1 1050.1 331.9 1051.2 0.09 TRP 284 9139 -49.9 -76.9 3 27.0 -50.3 315 66 320.0 320.0 288.8 320.0 0.00 WND 320 8354 -46.5 -72.1 4 25.5 -47.0 315 78 313.9 313.9 286.7 313.9 0.01 Sounding variables and indices 1000-500 mb thick: 5189.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 74.95 % Est. max temperature: 5.20 C = 41.37 F Sfc-Lift cond lev (LCL): 975.88 mb = 339.16 m = 1112.71 ft T: -10.22 C 700-500 lapse rate: 6.30 C/km ThetaE index: 0.60 C Layer 700.0- 679.0 mb Conv cond level (CCL): 1006.00 mb = 104.25 m = 342.03 ft Mean mixing ratio: 1.65 g/kg Conv temperature: -10.21 C = 13.61 F Cap Strength: 16.40 C Lifted Index: 16.78 C Risk: None Lifted Index @300 mb: 31.95 C Lifted Index @700 mb: 10.79 C Showalter Index: 8.75 C Risk: None Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 20.90 C K Index: 5.60 Risk: None Sweat Index: 163.70 Risk: None Energy Index: 2.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.12 J/kg Max Up Vert Vel: 11.32 m/s Conv Inhibition (B-): 73421.41 J/kg Cap Strength: 16.79 C Lift Cond Lev (LCL): 915.07 mb = 841.46 m = 2760.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 18 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 1016 27 165 9 -2.3 8.7 | 118 22 -19.8 10.5 1 1000 151 185 19 1.7 18.9 | 143 26 -15.9 20.7 2 980 305 210 23 11.5 19.9 | 165 23 -6.0 21.7 3 943 610 210 26 13.0 22.5 | 169 25 -4.5 24.3 4 925 757 215 27 15.5 22.1 | 175 24 -2.0 23.9 5 907 914 220 26 16.7 19.9 | 178 22 -0.8 21.7 6 872 1219 235 23 18.8 13.2 | 185 15 1.3 15.0 7 850 1417 235 20 16.4 11.5 | 175 13 -1.1 13.3 8 838 1524 210 19 9.5 16.5 | 156 20 -8.0 18.2 9 805 1829 225 20 14.1 14.1 | 168 16 -3.4 15.9 10 774 2134 240 19 16.5 9.5 | 175 11 -1.1 11.3 11 743 2438 245 18 16.3 7.6 | 173 9 -1.2 9.4 12 714 2743 235 18 14.7 10.3 | 167 12 -2.8 12.1 13 700 2896 230 20 15.3 12.9 | 171 15 -2.2 14.6 14 657 3353 245 22 19.9 9.3 | 192 11 2.4 11.1 15 630 3658 235 26 21.3 14.9 | 193 17 3.8 16.7 16 580 4267 275 28 27.9 -2.4 | 274 10 10.4 -0.6 17 533 4877 255 19 18.4 4.9 | 187 7 0.8 6.7 18 500 5340 270 27 27.0 -0.0 | 259 10 9.5 1.8 19 468 5791 280 35 34.5 -6.1 | 284 17 17.0 -4.3 20 448 6096 280 28 27.6 -4.9 | 287 11 10.1 -3.1 21 410 6706 280 32 31.5 -5.6 | 285 14 14.0 -3.8 22 400 6870 290 39 36.6 -13.3 | 301 22 19.1 -11.5 23 374 7315 305 52 42.6 -29.8 | 318 38 25.1 -28.0 24 357 7620 305 58 47.5 -33.3 | 316 43 30.0 -31.5 25 320 8354 315 78 55.2 -55.2 | 325 65 37.6 -53.4 26 311 8534 315 78 55.2 -55.2 | 325 65 37.6 -53.4 27 300 8780 315 69 48.8 -48.8 | 326 56 31.3 -47.0 28 284 9139 315 66 46.7 -46.7 | 327 54 29.2 -44.9 29 284 9144 315 68 48.1 -48.1 | 327 55 30.6 -46.3 30 250 9970 315 48 33.9 -33.9 | 333 36 16.4 -32.2 31 247 10058 315 47 33.2 -33.2 | 333 35 15.7 -31.4 32 225 10668 305 43 35.2 -24.7 | 322 29 17.7 -22.9 33 214 10973 305 42 34.4 -24.1 | 323 28 16.9 -22.3 34 200 11430 315 33 23.3 -23.3 | 345 22 5.8 -21.5 35 178 12192 320 28 18.0 -21.4 | 359 20 0.5 -19.7 36 155 13106 295 26 23.6 -11.0 | 327 11 6.1 -9.2 37 150 13320 300 23 19.9 -11.5 | 346 10 2.4 -9.7 38 141 13716 300 21 18.2 -10.5 | 356 9 0.7 -8.7 39 135 14021 325 15 8.6 -12.3 | 40 14 -8.9 -10.5 40 129 14326 320 15 9.6 -11.5 | 39 12 -7.9 -9.7 41 123 14630 300 12 10.4 -6.0 | 59 8 -7.1 -4.2 42 117 14935 295 11 10.0 -4.6 | 69 8 -7.5 -2.9 43 112 15240 320 10 6.4 -7.7 | 62 13 -11.1 -5.9 44 107 15545 280 1 1.0 -0.2 | 96 17 -16.5 1.6 45 100 15980 260 4 3.9 0.7 | 100 14 -13.6 2.5 46 97 16154 260 4 3.9 0.7 | 100 14 -13.6 2.5 47 89 16764 260 12 11.8 2.1 | 124 7 -5.7 3.9 48 85 17069 295 10 9.1 -4.2 | 74 9 -8.5 -2.4 49 70 18288 275 10 10.0 -0.9 | 97 8 -7.6 0.9 50 70 18330 330 10 5.0 -8.7 | 61 14 -12.5 -6.9 51 67 18593 330 10 5.0 -8.7 | 61 14 -12.5 -6.9 52 51 20422 0 0 -0.0 -0.0 | 96 18 -17.5 1.8 53 50 20550 110 9 -8.5 3.1 | 101 26 -26.0 4.9 54 44 21336 205 4 1.7 3.6 | 109 17 -15.8 5.4 55 30 23920 130 8 -6.1 5.1 | 106 25 -23.6 6.9 56 20 26580 105 4 -3.9 1.0 | 98 22 -21.4 2.8 57 18 27432 95 9 -9.0 0.8 | 96 27 -26.5 2.6 58 17 27737 125 10 -8.2 5.7 | 106 27 -25.7 7.5 59 15 28651 75 10 -9.7 -2.6 | 88 27 -27.2 -0.8 60 13 29261 80 16 -15.8 -2.8 | 88 33 -33.3 -1.0 61 12 29870 100 16 -15.8 2.8 | 98 34 -33.3 4.6 62 10 31160 130 7 -5.4 4.5 | 105 24 -22.9 6.3 Wind Parameters Mean winds (0-6000m): 245.8 at 23.5 knts Storm direction: 275.8 at 17.6 knts Shear (0-3000m) pos: 4.5 neg: 1.3 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 58.8 deg Storm rel helicity (0-3000m) pos: 201.8 neg: -35.7 tot: 166.1 m^2/s^2 ave: 55.4 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 4.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 1.69 Bulk Shear: 37.83 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 ------------------------------------------------------------------------------- 500 201 21 155 23| 20.4 0.0 20.4|133.8 0.0 133.8 267.7 0.93| 23.5 21.9 1000 210 23 165 23| 11.3 0.0 11.3|164.8 0.0 164.8 164.8 0.85| 16.0 13.5 1500 216 23 169 21| 7.5 2.8 10.4|170.2 -31.9 138.3 92.2 0.42| 15.9 6.7 2000 218 22 168 20| 6.8 2.1 9.0|192.2 -31.9 160.3 80.2 0.45| 14.1 6.3 2500 222 21 170 18| 5.4 1.7 7.1|193.7 -33.6 160.1 64.0 0.41| 12.2 5.0 3000 224 21 170 17| 4.5 1.3 5.9|201.8 -35.7 166.1 55.4 0.39| 11.2 4.4 4000 229 22 176 16| 4.8 1.0 5.8|249.6 -36.1 213.5 53.4 0.46| 11.0 5.0 5000 237 22 185 14| 3.6 1.2 4.8|271.7 -53.9 217.8 43.6 0.37| 10.8 4.0 6000 246 23 199 12| 3.9 1.0 4.9|306.1 -53.9 252.2 42.0 0.41| 10.8 4.4 Wrote GIF file: /home/apache/climate/data/raob//CYCB/skewt/CYCB.skewt.20250418.00.gif