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 CYRB... Searching the city database file for: CYRB ... Date:0000Z 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 1021 46 -16.5 -18.8 82 2.3 -16.9 175 6 255.1 255.3 254.9 257.4 0.85 1 1019 61 -16.5 -18.2 87 1.7 -16.8 172 7 255.3 255.4 255.2 257.7 0.89 2 1000 202 -16.1 -19.0 78 2.9 -16.6 145 14 257.0 257.2 256.6 259.3 0.85 3 952 571 -18.5 -20.4 85 1.9 -18.8 176 19 258.3 258.4 257.4 260.4 0.79 4 935 706 -16.3 -21.1 66 4.8 -17.1 183 21 261.8 262.0 260.2 263.9 0.76 5 933 722 -16.1 -20.9 66 4.8 -16.9 183 22 262.2 262.3 260.5 264.3 0.77 6 925 787 -15.9 -20.9 65 5.0 -16.7 185 23 263.1 263.2 261.2 265.2 0.78 7 905 952 -15.9 -20.6 67 4.7 -16.7 186 24 264.7 264.8 262.4 267.0 0.82 8 902 977 -15.9 -20.4 68 4.5 -16.7 186 24 265.0 265.1 262.7 267.3 0.84 9 850 1422 -17.9 -20.2 82 2.3 -18.3 190 23 267.4 267.5 264.6 269.9 0.90 10 741 2438 -22.9 -23.4 96 0.5 -23.0 220 18 272.7 272.8 268.0 274.9 0.78 11 710 2751 -23.5 -26.2 78 2.7 -23.9 216 22 275.3 275.4 269.4 277.2 0.63 12 700 2855 -23.7 -26.0 81 2.3 -24.0 235 19 276.2 276.3 270.0 278.2 0.66 13 656 3326 -25.7 -27.5 85 1.8 -25.9 248 17 279.2 279.3 271.7 281.0 0.61 14 650 3393 -25.5 -27.9 80 2.4 -25.8 249 17 280.1 280.2 272.3 281.9 0.59 15 544 4657 -34.9 -36.3 87 1.4 -35.0 257 24 283.6 283.6 273.8 284.6 0.32 16 525 4904 -36.7 -39.6 74 2.9 -36.9 265 24 284.3 284.3 274.0 285.1 0.23 17 500 5240 -38.7 -41.5 75 2.8 -38.9 265 28 285.9 285.9 274.8 286.5 0.20 18 464 5753 -41.3 -42.9 84 1.6 -41.4 265 34 288.8 288.8 276.3 289.4 0.19 19 400 6750 -48.1 -51.8 65 3.7 -48.2 270 33 292.5 292.5 278.0 292.8 0.08 20 399 6766 -48.3 -52.0 65 3.7 -48.4 270 33 292.4 292.4 278.0 292.7 0.08 21 385 7000 -50.1 -51.8 82 1.7 -50.1 270 33 293.1 293.1 278.3 293.4 0.08 22 375 7172 -50.1 -54.3 61 4.2 -50.2 270 33 295.3 295.3 279.3 295.5 0.06 23 348 7656 -53.3 -55.6 76 2.3 -53.4 270 34 297.3 297.3 280.3 297.5 0.06 24 343 7749 -53.9 -64.9 25 11.0 -54.1 270 33 297.7 297.7 280.4 297.8 0.02 25 336 7881 -54.5 -60.5 47 6.0 -54.6 270 32 298.7 298.7 280.8 298.8 0.03 26 333 7938 -54.7 -61.7 42 7.0 -54.8 270 32 299.2 299.2 281.0 299.3 0.03 27 323 8133 -53.9 -68.9 14 15.0 -54.1 267 31 302.9 302.9 282.5 302.9 0.01 28 300 8610 -51.1 -75.1 4 24.0 -51.4 270 25 313.3 313.3 286.5 313.3 0.00 29 281 9038 -48.5 -77.5 2 29.0 -48.9 278 22 323.0 323.0 289.7 323.0 0.00 30 250 9810 -46.5 -80.5 1 34.0 -47.1 270 20 336.9 336.9 293.6 336.9 0.00 31 231 10336 -44.9 -81.9 1 37.0 -45.6 260 19 347.1 347.1 296.0 347.1 0.00 32 200 11300 -44.7 -82.7 1 38.0 -45.6 275 18 362.0 362.0 299.1 362.0 0.00 33 161 12753 -42.5 -82.5 0 40.0 -43.8 272 15 388.9 388.9 303.6 388.9 0.00 34 150 13230 -42.7 -82.7 0 40.0 -44.0 260 11 396.5 396.5 304.7 396.5 0.00 35 138 13790 -44.7 -84.7 0 40.0 -45.9 269 10 402.5 402.5 305.5 402.5 0.00 36 125 14453 -44.1 -84.1 0 40.0 -45.5 232 12 415.2 415.2 307.2 415.2 0.00 37 111 15246 -46.5 -85.5 0 39.0 -47.7 265 11 425.0 425.0 308.3 425.0 0.00 38 100 15940 -45.7 -84.7 0 39.0 -47.1 245 11 439.4 439.4 309.8 439.4 0.00 39 79 17507 -47.3 -86.3 0 39.0 -48.8 267 13 466.8 466.8 312.4 466.8 0.00 40 70 18310 -46.5 -85.5 0 39.0 -48.3 245 10 484.9 484.9 313.8 484.9 0.00 41 50 20550 -46.3 -85.3 0 39.0 -48.7 185 8 534.4 534.4 317.2 534.4 0.01 42 43 21553 -45.1 -85.1 0 40.0 -48.1 198 7 560.9 560.9 318.7 560.9 0.01 43 35 22915 -48.9 -86.9 0 38.0 -51.4 190 11 585.0 585.0 319.9 585.0 0.01 44 30 23930 -47.3 -86.3 0 39.0 -50.6 230 4 615.7 615.7 321.3 615.7 0.01 45 20 26610 -46.5 -85.5 0 39.0 -51.1 165 8 693.8 693.8 324.2 693.9 0.01 46 12 29979 -48.5 -86.5 0 38.0 -54.0 40 2 795.9 795.9 327.1 796.1 0.02 47 10 31180 -47.5 -86.5 0 39.0 -54.1 155 7 842.2 842.3 328.2 842.4 0.02 48 7.9 32741 -46.5 -85.5 0 39.0 -54.5 905.0 905.0 329.5 905.3 0.03 49 5.6 35067 -38.3 -80.3 0 42.0 -52.5 1034.7 1034.8 331.7 1036.0 0.11 50 4.9 35981 -40.5 -81.5 0 41.0 -54.1 1064.9 1065.0 332.2 1066.2 0.11 51 4.3 36875 -38.5 -80.5 0 42.0 -54.0 1114.9 1115.0 332.8 1116.8 0.14 TRP 333 7938 -54.7 -61.7 42 7.0 -54.8 270 32 299.2 299.2 281.0 299.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5038.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 82.01 % Est. max temperature: -5.17 C = 22.69 F Sfc-Lift cond lev (LCL): 983.38 mb = 327.65 m = 1074.96 ft T: -16.92 C 700-500 lapse rate: 6.29 C/km Conv cond level (CCL): 737.12 mb = 2476.72 m = 8125.61 ft Mean mixing ratio: 0.82 g/kg Conv temperature: 1.46 C = 34.63 F Cap Strength: 19.71 C Lifted Index: 20.69 C Risk: None Lifted Index @300 mb: 37.30 C Lifted Index @700 mb: 14.54 C Showalter Index: 13.19 C Risk: None Total Totals Index: 39.30 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 18.50 C K Index: -1.70 Risk: None Sweat Index: 219.74 Risk: None Energy Index: 3.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.30 J/kg Max Up Vert Vel: 7.25 m/s Conv Inhibition (B-): 111721.35 J/kg Cap Strength: 20.51 C Lift Cond Lev (LCL): 924.54 mb = 790.71 m = 2594.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 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 1021 46 175 6 -0.5 6.0 | 102 18 -17.3 3.6 1 1000 202 145 14 -8.0 11.5 | 110 26 -24.8 9.1 2 986 305 145 17 -9.8 13.9 | 114 29 -26.5 11.5 3 947 610 180 19 0.0 19.0 | 135 24 -16.7 16.6 4 925 787 185 23 2.0 22.9 | 144 25 -14.7 20.5 5 909 914 185 24 2.1 23.9 | 146 26 -14.7 21.5 6 873 1219 190 23 4.0 22.7 | 148 24 -12.8 20.3 7 850 1422 190 23 4.0 22.7 | 148 24 -12.8 20.3 8 804 1829 205 24 10.1 21.8 | 161 20 -6.6 19.4 9 772 2134 215 24 13.8 19.7 | 170 18 -3.0 17.3 10 741 2438 220 18 11.6 13.8 | 156 13 -5.2 11.4 11 711 2743 215 22 12.6 18.0 | 165 16 -4.1 15.6 12 700 2855 235 19 15.6 10.9 | 172 9 -1.2 8.5 13 681 3048 235 13 10.6 7.5 | 130 8 -6.1 5.1 14 653 3353 250 17 16.0 5.8 | 167 4 -0.8 3.4 15 625 3658 240 19 16.5 9.5 | 178 7 -0.3 7.1 16 574 4267 245 23 20.8 9.7 | 209 8 4.1 7.3 17 526 4877 265 24 23.9 2.1 | 272 7 7.2 -0.3 18 500 5240 265 28 27.9 2.4 | 270 11 11.1 0.1 19 461 5791 265 35 34.9 3.1 | 268 18 18.1 0.7 20 441 6096 275 34 33.9 -3.0 | 287 18 17.1 -5.4 21 400 6750 270 33 33.0 -0.0 | 278 16 16.3 -2.4 22 350 7620 270 34 34.0 -0.0 | 278 17 17.3 -2.4 23 333 7938 270 32 32.0 -0.0 | 279 15 15.3 -2.4 24 318 8230 265 30 29.9 2.6 | 269 13 13.1 0.2 25 300 8610 270 25 25.0 -0.0 | 286 9 8.3 -2.4 26 277 9144 280 21 20.7 -3.6 | 327 7 3.9 -6.0 27 250 9810 270 20 20.0 -0.0 | 306 4 3.3 -2.4 28 230 10363 260 19 18.7 3.3 | 245 2 2.0 0.9 29 220 10668 275 21 20.9 -1.8 | 315 6 4.2 -4.2 30 201 11278 280 19 18.7 -3.3 | 341 6 2.0 -5.7 31 200 11300 275 18 17.9 -1.6 | 343 4 1.2 -4.0 32 167 12497 255 17 16.4 4.4 | 171 2 -0.3 2.0 33 160 12802 275 15 14.9 -1.3 | 26 4 -1.8 -3.7 34 153 13106 255 14 13.5 3.6 | 111 3 -3.2 1.2 35 150 13230 260 11 10.8 1.9 | 85 6 -5.9 -0.5 36 146 13411 260 12 11.8 2.1 | 86 5 -4.9 -0.3 37 139 13716 275 10 10.0 -0.9 | 64 8 -6.8 -3.3 38 127 14326 220 10 6.4 7.7 | 117 12 -10.3 5.3 39 122 14630 250 14 13.2 4.8 | 124 4 -3.6 2.4 40 111 15240 265 11 11.0 1.0 | 76 6 -5.8 -1.4 41 100 15940 245 11 10.0 4.6 | 108 7 -6.8 2.3 42 97 16154 245 11 10.0 4.6 | 108 7 -6.8 2.3 43 84 17069 225 10 7.1 7.1 | 116 11 -9.7 4.7 44 81 17374 260 15 14.8 2.6 | 96 2 -2.0 0.2 45 77 17678 275 10 10.0 -0.9 | 64 8 -6.8 -3.3 46 74 17983 215 14 8.0 11.5 | 136 13 -8.7 9.1 47 70 18288 245 11 10.0 4.6 | 108 7 -6.8 2.3 48 70 18310 245 10 9.1 4.2 | 103 8 -7.7 1.8 49 67 18593 245 10 9.1 4.2 | 103 8 -7.7 1.8 50 56 19812 185 11 1.0 11.0 | 118 18 -15.8 8.6 51 53 20117 225 10 7.1 7.1 | 116 11 -9.7 4.7 52 50 20550 185 8 0.7 8.0 | 109 17 -16.1 5.6 53 44 21336 200 7 2.4 6.6 | 106 15 -14.4 4.2 54 35 22860 185 10 0.9 10.0 | 115 18 -15.9 7.6 55 34 23165 215 14 8.0 11.5 | 136 13 -8.7 9.1 56 30 23930 230 4 3.1 2.6 | 91 14 -13.7 0.2 57 28 24384 220 3 1.9 2.3 | 90 15 -14.8 -0.1 58 21 26213 150 10 -5.0 8.7 | 106 23 -21.7 6.3 59 20 26610 165 8 -2.1 7.7 | 106 20 -18.8 5.3 60 18 27432 175 10 -0.9 10.0 | 113 19 -17.6 7.6 61 17 27737 175 12 -1.0 12.0 | 118 20 -17.8 9.6 62 16 28042 160 18 -6.2 16.9 | 122 27 -22.9 14.5 63 15 28346 215 12 6.9 9.8 | 127 12 -9.9 7.4 64 15 28651 220 10 6.4 7.7 | 117 12 -10.3 5.3 65 13 29566 0 0 -0.0 -0.0 | 82 17 -16.7 -2.4 66 10 31180 155 7 -3.0 6.3 | 101 20 -19.7 4.0 Wind Parameters Mean winds (0-6000m): 231.9 at 22.6 knts Storm direction: 261.9 at 16.9 knts Shear (0-3000m) pos: 2.9 neg: 2.2 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 28.4 deg Storm rel helicity (0-3000m) pos: 189.7 neg: -26.0 tot: 163.7 m^2/s^2 ave: 54.6 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 3.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.34 Bulk Shear: 76.26 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 ------------------------------------------------------------------------------- 500 155 15 116 26| 0.0 13.0 13.0| 81.7 0.0 81.7 163.5 0.60| 20.9 12.6 1000 172 18 130 25| 3.7 6.5 10.2|128.5 0.0 128.5 128.5 0.68| 14.7 10.0 1500 179 20 136 24| 3.2 4.3 7.5|141.4 0.0 141.4 94.3 0.68| 10.9 7.4 2000 187 21 142 23| 3.9 3.2 7.2|173.0 0.0 173.0 86.5 0.70| 10.0 7.0 2500 193 21 146 22| 3.0 2.6 5.6|179.6 -13.6 165.9 66.4 0.53| 9.8 5.2 3000 198 21 149 20| 2.9 2.2 5.1|189.7 -26.0 163.7 54.6 0.35| 10.9 3.8 4000 208 20 154 17| 2.8 1.8 4.6|200.9 -26.0 174.9 43.7 0.39| 9.7 3.8 5000 220 21 165 14| 3.2 1.5 4.6|219.1 -26.3 192.9 38.6 0.44| 8.9 4.0 6000 232 23 185 12| 3.1 1.4 4.4|243.1 -28.3 214.7 35.8 0.43| 8.6 3.7 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20250418.00.gif