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 CYEV... Searching the city database file for: CYEV ... Date:0000Z 18 APR 25 Station: CYEV WMO ident: 71957 Latitude: 68.30 Longitude: -133.48 Elevation: 68.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 46 255 4 SFC 993 68 -2.3 -3.9 89 1.6 -2.9 255 4 271.4 271.9 270.7 279.2 2.88 2 963 325 -4.1 -4.3 99 0.2 -4.2 3 1 272.0 272.4 271.0 279.8 2.88 3 954 404 -2.1 -2.6 96 0.5 -2.3 33 3 274.7 275.3 273.3 283.8 3.30 4 925 664 -0.7 -0.9 99 0.2 -0.8 120 8 278.6 279.2 276.3 289.3 3.87 5 919 716 -0.9 -1.3 97 0.4 -1.1 128 8 278.9 279.5 276.3 289.4 3.78 6 898 900 -1.9 -1.9 100 0.0 -1.9 158 9 279.7 280.4 276.7 290.0 3.70 7 850 1336 -3.7 -3.7 100 0.0 -3.7 220 12 282.3 282.9 277.6 291.9 3.42 8 750 2319 -7.1 -8.1 93 1.0 -7.5 281 18 288.9 289.4 280.0 297.0 2.77 9 741 2413 -6.3 -7.4 92 1.1 -6.7 284 20 290.7 291.3 281.1 299.4 2.96 10 700 2857 -8.3 -9.4 92 1.1 -8.7 260 21 293.3 293.8 281.9 301.3 2.68 11 671 3185 -9.5 -11.8 83 2.3 -10.3 266 24 295.5 295.9 282.4 302.5 2.31 12 621 3779 -14.1 -14.4 98 0.3 -14.2 267 31 296.9 297.2 282.6 303.1 2.02 13 561 4543 -19.7 -22.0 82 2.3 -20.2 274 31 299.0 299.2 282.5 302.7 1.17 14 545 4758 -20.9 -27.9 53 7.0 -22.1 272 35 300.1 300.2 282.3 302.4 0.71 15 521 5090 -23.3 -27.0 72 3.7 -23.9 270 40 301.1 301.2 282.9 303.7 0.80 16 501 5375 -25.5 -30.2 65 4.7 -26.2 265 40 301.8 301.9 282.9 303.8 0.62 17 500 5390 -25.7 -30.1 67 4.4 -26.3 265 40 301.7 301.8 282.9 303.8 0.63 18 477 5728 -28.1 -29.6 87 1.5 -28.3 257 37 302.8 303.0 283.4 305.1 0.69 19 466 5894 -29.3 -31.5 81 2.2 -29.6 252 36 303.4 303.5 283.5 305.3 0.59 20 457 6033 -30.1 -36.1 56 6.0 -30.7 247 35 304.1 304.1 283.5 305.4 0.38 21 453 6095 -30.1 -33.6 71 3.5 -30.5 245 35 304.8 304.9 284.0 306.5 0.49 22 444 6237 -30.9 -34.2 73 3.3 -31.3 251 35 305.6 305.7 284.2 307.2 0.48 23 430 6462 -32.3 -37.0 63 4.7 -32.8 260 35 306.6 306.7 284.5 307.9 0.37 24 422 6594 -32.7 -36.6 68 3.9 -33.1 265 35 307.7 307.8 285.0 309.1 0.39 25 412 6763 -32.1 -36.1 68 4.0 -32.6 267 33 310.6 310.7 286.1 312.1 0.42 26 403 6918 -32.9 -35.2 80 2.3 -33.1 258 27 311.6 311.7 286.5 313.2 0.47 27 400 6970 -32.9 -35.5 77 2.6 -33.2 255 25 312.2 312.3 286.7 313.9 0.46 28 377 7384 -35.5 -39.9 64 4.4 -35.9 251 22 314.1 314.2 287.2 315.3 0.32 29 358 7741 -38.5 -41.6 72 3.1 -38.7 255 23 314.8 314.8 287.3 315.8 0.28 30 330 8295 -42.5 -56.5 20 14.0 -43.0 255 30 316.7 316.7 287.7 316.9 0.06 31 300 8930 -48.1 -62.1 18 14.0 -48.4 240 34 317.6 317.6 288.0 317.7 0.03 32 299 8952 -48.3 -61.3 21 13.0 -48.6 240 34 317.6 317.6 288.0 317.7 0.03 33 250 10120 -55.9 -65.9 28 10.0 -56.1 240 36 323.0 323.0 289.7 323.0 0.02 34 245 10248 -56.9 -66.9 27 10.0 -57.1 245 37 323.3 323.3 289.8 323.4 0.02 35 239 10406 -53.9 -70.9 11 17.0 -54.1 245 39 330.2 330.2 291.7 330.2 0.01 36 230 10653 -52.9 -73.9 6 21.0 -53.2 245 42 335.3 335.3 293.2 335.4 0.01 37 229 10681 -52.9 -73.9 6 21.0 -53.2 245 42 335.7 335.7 293.3 335.8 0.01 38 224 10824 -49.7 -75.7 3 26.0 -50.1 245 46 342.8 342.8 295.0 342.8 0.01 39 206 11368 -52.1 -79.1 2 27.0 -52.5 242 48 347.3 347.3 296.0 347.3 0.00 40 200 11560 -50.7 -78.7 2 28.0 -51.1 240 47 352.5 352.5 297.2 352.5 0.00 41 197 11658 -50.9 -79.9 2 29.0 -51.4 244 39 353.7 353.7 297.4 353.7 0.00 42 194 11758 -48.9 -78.9 2 30.0 -49.5 242 43 358.4 358.4 298.4 358.5 0.00 43 168 12687 -55.9 -81.9 2 26.0 -56.2 263 28 361.8 361.8 299.1 361.9 0.00 44 160 12997 -55.7 -81.7 2 26.0 -56.0 261 34 367.3 367.3 300.1 367.3 0.00 45 155 13200 -53.3 -81.3 2 28.0 -53.7 263 34 374.7 374.7 301.4 374.7 0.00 46 150 13410 -54.3 -82.3 2 28.0 -54.7 270 31 376.5 376.5 301.7 376.5 0.00 47 140 13852 -55.5 -82.5 2 27.0 -55.9 265 32 381.9 381.9 302.6 381.9 0.00 48 134 14132 -54.9 -82.9 2 28.0 -55.3 259 32 387.8 387.8 303.5 387.8 0.00 49 131 14277 -52.7 -81.7 2 29.0 -53.2 256 32 394.2 394.2 304.4 394.3 0.00 50 120 14841 -54.9 -83.9 2 29.0 -55.4 281 26 400.2 400.2 305.2 400.2 0.00 51 111 15344 -51.7 -82.7 1 31.0 -52.4 282 25 415.3 415.3 307.2 415.3 0.00 52 103 15828 -52.7 -82.7 1 30.0 -53.4 271 17 422.3 422.3 308.0 422.3 0.00 53 100 16020 -51.5 -83.5 1 32.0 -52.3 255 17 428.2 428.2 308.6 428.2 0.00 54 92 16560 -50.9 -82.9 1 32.0 -51.8 257 22 439.7 439.7 309.8 439.8 0.00 55 90 16703 -52.1 -83.1 1 31.0 -52.9 266 20 440.1 440.1 309.9 440.1 0.00 56 84 17151 -48.9 -82.9 1 34.0 -50.1 259 18 455.4 455.4 311.4 455.4 0.00 57 75 17891 -50.9 -83.9 1 33.0 -52.0 289 14 466.2 466.2 312.3 466.2 0.00 58 70 18340 -49.7 -84.7 1 35.0 -51.0 245 16 478.1 478.1 313.3 478.1 0.00 59 65 18826 -48.1 -84.1 1 36.0 -49.7 253 14 491.8 491.8 314.4 491.8 0.01 60 50 20550 -49.1 -85.1 1 36.0 -51.0 235 8 527.8 527.8 316.8 527.8 0.01 61 30 23890 -49.9 -85.9 1 36.0 -52.5 140 10 608.6 608.6 321.0 608.7 0.01 62 26 24827 -50.7 -86.7 1 36.0 -53.4 151 10 631.8 631.8 322.0 631.8 0.01 63 20 26550 -48.1 -86.1 0 38.0 -52.2 105 8 688.9 688.9 324.1 689.0 0.01 64 10 31140 -45.9 -84.9 0 39.0 -53.2 125 10 848.2 848.2 328.4 848.5 0.03 65 8.2 32466 -44.1 -84.1 0 40.0 -53.1 904.9 904.9 329.5 905.3 0.04 66 7.4 33153 -45.5 -84.5 0 39.0 -54.2 926.1 926.1 329.9 926.5 0.04 67 5.0 35816 -36.9 -78.9 0 42.0 -52.6 1075.1 1075.2 332.3 1077.2 0.16 68 4.8 36099 -36.9 -78.9 0 42.0 -52.8 1087.8 1087.9 332.5 1089.9 0.17 TRP 245 10248 -56.9 -66.9 27 10.0 -57.1 245 37 323.3 323.3 289.8 323.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5344.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.54 inches Sfc-500 mean rel hum: 88.89 % Est. max temperature: 8.98 C = 48.17 F Sfc-Lift cond lev (LCL): 968.23 mb = 279.92 m = 918.35 ft T: -3.78 C 700-500 lapse rate: 6.87 C/km Conv cond level (CCL): 993.00 mb = 68.00 m = 223.09 ft Mean mixing ratio: 3.39 g/kg Conv temperature: -1.72 C = 28.90 F Cap Strength: 14.32 C Lifted Index: 14.24 C Risk: None Lifted Index @300 mb: 23.01 C Lifted Index @700 mb: 10.66 C Showalter Index: 9.08 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.00 C Cross Totals Index: 22.00 C K Index: 17.20 Risk: < 20 % chance of thunderstorms Sweat Index: 64.00 Risk: None Energy Index: 2.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.20 J/kg Max Up Vert Vel: 9.51 m/s Conv Inhibition (B-): 94450.99 J/kg Cap Strength: 14.27 C Lift Cond Lev (LCL): 935.73 mb = 566.88 m = 1859.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 at 17 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 ---------------------------------------------------------- 0 993 68 255 4 3.9 1.0 | 123 15 -12.2 7.9 1 965 305 355 1 0.1 -1.0 | 110 17 -15.9 5.9 2 931 610 110 7 -6.6 2.4 | 112 24 -22.6 9.3 3 925 664 120 8 -6.9 4.0 | 115 25 -23.0 10.9 4 896 914 160 9 -3.1 8.5 | 129 25 -19.1 15.3 5 863 1219 210 11 5.5 9.5 | 147 19 -10.5 16.4 6 850 1336 220 12 7.7 9.2 | 153 18 -8.3 16.1 7 830 1524 230 12 9.2 7.7 | 155 16 -6.8 14.6 8 798 1829 255 11 10.6 2.8 | 151 11 -5.4 9.7 9 768 2134 275 16 15.9 -1.4 | 179 5 -0.1 5.5 10 738 2438 285 20 19.3 -5.2 | 243 4 3.3 1.7 11 710 2743 265 23 22.9 2.0 | 218 11 6.9 8.9 12 700 2857 260 21 20.7 3.6 | 204 12 4.6 10.5 13 682 3048 260 21 20.7 3.6 | 204 12 4.6 10.5 14 655 3353 275 27 26.9 -2.4 | 247 12 10.9 4.5 15 629 3658 270 33 33.0 -0.0 | 248 18 17.0 6.9 16 604 3962 260 26 25.6 4.5 | 220 15 9.6 11.4 17 580 4267 270 30 30.0 -0.0 | 244 16 14.0 6.9 18 557 4572 275 31 30.9 -2.7 | 254 15 14.8 4.2 19 535 4877 270 39 39.0 -0.0 | 253 24 23.0 6.9 20 514 5182 270 40 40.0 -0.0 | 254 25 24.0 6.9 21 500 5390 265 40 39.8 3.5 | 246 26 23.8 10.4 22 493 5486 265 39 38.9 3.4 | 246 25 22.8 10.3 23 453 6096 245 35 31.7 14.8 | 216 27 15.7 21.7 24 415 6706 270 35 35.0 -0.0 | 250 20 19.0 6.9 25 400 6970 255 25 24.1 6.5 | 211 16 8.1 13.3 26 380 7315 250 22 20.7 7.5 | 198 15 4.6 14.4 27 364 7620 255 21 20.3 5.4 | 199 13 4.2 12.3 28 318 8534 255 34 32.8 8.8 | 227 23 16.8 15.7 29 300 8930 240 34 29.4 17.0 | 209 27 13.4 23.9 30 290 9144 240 34 29.4 17.0 | 209 27 13.4 23.9 31 277 9449 235 36 29.5 20.6 | 206 31 13.5 27.5 32 250 10120 240 36 31.2 18.0 | 211 29 15.1 24.9 33 245 10248 245 37 33.5 15.6 | 218 29 17.5 22.5 34 230 10668 245 42 38.1 17.7 | 222 33 22.0 24.6 35 219 10973 245 49 44.4 20.7 | 226 40 28.4 27.6 36 200 11560 240 47 40.7 23.5 | 219 39 24.7 30.4 37 199 11582 245 37 33.5 15.6 | 218 29 17.5 22.5 38 190 11887 240 47 40.7 23.5 | 219 39 24.7 30.4 39 173 12497 265 25 24.9 2.2 | 224 13 8.9 9.1 40 157 13106 260 36 35.5 6.3 | 236 23 19.4 13.1 41 150 13410 270 31 31.0 -0.0 | 245 16 15.0 6.9 42 150 13411 275 32 31.9 -2.8 | 256 16 15.8 4.1 43 130 14326 255 32 30.9 8.3 | 224 21 14.9 15.2 44 124 14630 285 24 23.2 -6.2 | 265 7 7.1 0.7 45 113 15240 275 30 29.9 -2.6 | 253 14 13.8 4.3 46 108 15545 295 17 15.4 -7.2 | 64 1 -0.6 -0.3 47 100 16020 255 17 16.4 4.4 | 182 11 0.4 11.3 48 98 16154 245 17 15.4 7.2 | 177 14 -0.6 14.1 49 93 16459 250 23 21.6 7.9 | 201 16 5.6 14.7 50 89 16764 270 19 19.0 -0.0 | 203 7 3.0 6.9 51 85 17069 265 19 18.9 1.7 | 199 9 2.9 8.5 52 81 17374 245 17 15.4 7.2 | 177 14 -0.6 14.1 53 77 17678 265 22 21.9 1.9 | 214 11 5.9 8.8 54 74 17983 300 10 8.7 -5.0 | 104 8 -7.4 1.9 55 71 18288 250 15 14.1 5.1 | 171 12 -1.9 12.0 56 70 18340 245 16 14.5 6.8 | 174 14 -1.5 13.6 57 67 18593 245 16 14.5 6.8 | 174 14 -1.5 13.6 58 64 18898 255 13 12.6 3.4 | 161 11 -3.5 10.2 59 61 19202 215 10 5.7 8.2 | 146 18 -10.3 15.1 60 59 19507 235 20 16.4 11.5 | 181 18 0.3 18.3 61 56 19812 210 15 7.5 13.0 | 157 22 -8.5 19.9 62 50 20550 235 8 6.6 4.6 | 140 15 -9.5 11.5 63 44 21336 200 10 3.4 9.4 | 142 21 -12.6 16.3 64 40 21946 255 10 9.7 2.6 | 146 11 -6.4 9.5 65 32 23470 205 10 4.2 9.1 | 143 20 -11.8 15.9 66 31 23774 225 10 7.1 7.1 | 147 17 -9.0 13.9 67 30 23890 140 10 -6.4 7.7 | 123 27 -22.5 14.5 68 29 24079 130 10 -7.7 6.4 | 119 27 -23.7 13.3 69 28 24384 145 10 -5.7 8.2 | 125 26 -21.8 15.1 70 22 25908 165 10 -2.6 9.7 | 132 25 -18.6 16.5 71 20 26550 105 8 -7.7 2.1 | 111 25 -23.8 8.9 72 18 27432 155 6 -2.5 5.4 | 124 22 -18.6 12.3 73 16 28042 120 12 -10.4 6.0 | 116 29 -26.4 12.9 74 15 28346 160 13 -4.4 12.2 | 133 28 -20.5 19.1 75 14 28956 160 16 -5.5 15.0 | 136 31 -21.5 21.9 76 13 29566 205 15 6.3 13.6 | 155 23 -9.7 20.5 77 12 29870 170 10 -1.7 9.8 | 133 24 -17.8 16.7 78 10 31140 125 10 -8.2 5.7 | 117 27 -24.2 12.6 Wind Parameters Mean winds (0-6000m): 263.2 at 23.3 knts Storm direction: 293.2 at 17.4 knts Shear (0-3000m) pos: 4.7 neg: 1.9 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 83.5 deg Storm rel helicity (0-3000m) pos: 138.8 neg: -38.0 tot: 100.8 m^2/s^2 ave: 33.6 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 3.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.49 Bulk Shear: 91.72 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 79 3 108 20| 0.0 10.3 10.3| 11.2 -22.9 -11.7 -23.4 -0.28| 13.1 -3.6 1000 146 6 121 23| 6.1 5.2 11.3| 93.6 -22.9 70.7 70.7 0.35| 13.7 4.7 1500 188 8 134 21| 5.8 3.4 9.3|124.5 -22.9 101.5 67.7 0.42| 12.5 5.2 2000 216 9 142 18| 5.4 2.6 8.0|130.7 -24.7 106.0 53.0 0.38| 11.8 4.4 2500 244 11 151 13| 5.6 2.1 7.7|137.2 -26.0 111.1 44.5 0.39| 11.3 4.5 3000 252 13 160 12| 4.7 1.9 6.6|138.8 -38.0 100.8 33.6 0.28| 10.8 3.1 4000 260 17 182 10| 4.9 2.2 7.0|171.8 -72.3 99.4 24.9 0.23| 11.3 2.6 5000 264 20 204 10| 4.4 1.3 5.8|201.2 -74.4 126.8 25.4 0.26| 10.7 2.8 6000 263 23 216 12| 3.7 2.5 6.2|201.7-185.9 15.8 2.6 0.09| 10.4 0.9 Wrote GIF file: /home/apache/climate/data/raob//CYEV/skewt/CYEV.skewt.20250418.00.gif