UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:0000Z 27 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 1007 46 -15.5 -18.3 79 2.8 -16.0 270 7 257.1 257.3 256.7 259.6 0.90 1 1000 96 -16.1 -18.0 85 1.9 -16.4 275 9 257.0 257.2 256.7 259.5 0.93 2 951 473 -18.7 -19.1 97 0.4 -18.8 308 6 258.1 258.3 257.5 260.5 0.89 3 930 639 -19.7 -20.6 93 0.9 -19.8 315 4 258.8 258.9 257.8 260.9 0.80 4 925 679 -19.3 -21.0 86 1.7 -19.6 315 3 259.6 259.7 258.5 261.7 0.77 5 905 842 -18.9 -20.8 85 1.9 -19.2 284 4 261.6 261.7 260.1 263.8 0.80 6 871 1126 -20.1 -20.1 100 0.0 -20.1 242 9 263.2 263.4 261.5 265.7 0.89 7 866 1168 -20.3 -20.3 100 0.0 -20.3 237 10 263.5 263.6 261.7 265.9 0.88 8 850 1307 -18.3 -18.7 97 0.4 -18.4 235 15 267.0 267.1 264.5 269.8 1.03 9 837 1422 -17.1 -17.4 98 0.3 -17.1 240 13 269.4 269.6 266.5 272.7 1.16 10 832 1467 -16.3 -20.9 68 4.6 -17.1 242 13 270.7 270.9 266.8 273.2 0.87 11 826 1522 -15.9 -21.9 60 6.0 -17.0 245 12 271.7 271.8 267.4 274.0 0.80 12 805 1716 -16.5 -23.5 55 7.0 -17.7 257 10 273.1 273.2 268.1 275.2 0.71 13 756 2185 -19.3 -23.9 67 4.6 -20.0 266 10 275.0 275.1 269.4 277.2 0.73 14 733 2414 -20.5 -28.5 49 8.0 -21.6 247 13 276.1 276.2 269.7 277.6 0.50 15 726 2485 -20.9 -23.9 77 3.0 -21.4 245 13 276.4 276.6 270.4 278.7 0.76 16 720 2547 -21.1 -24.8 72 3.7 -21.7 245 13 276.9 277.0 270.5 279.0 0.71 17 700 2754 -22.5 -24.9 81 2.4 -22.9 245 15 277.6 277.7 270.9 279.7 0.72 18 680 2967 -23.7 -24.8 91 1.1 -23.9 234 17 278.5 278.7 271.6 280.8 0.75 19 645 3352 -25.3 -28.3 76 3.0 -25.7 220 21 281.0 281.1 272.7 282.7 0.58 20 582 4092 -30.1 -30.5 96 0.4 -30.2 228 17 283.7 283.8 274.2 285.4 0.52 21 570 4240 -30.7 -33.4 77 2.7 -31.0 230 18 284.7 284.8 274.6 286.0 0.40 22 567 4278 -30.9 -40.9 37 10.0 -31.6 230 18 284.9 285.0 274.3 285.6 0.19 23 557 4404 -31.9 -40.9 41 9.0 -32.6 229 17 285.2 285.2 274.5 285.8 0.19 24 537 4661 -33.7 -43.7 36 10.0 -34.3 227 15 286.1 286.1 274.9 286.5 0.15 25 533 4714 -34.1 -53.1 13 19.0 -34.9 226 15 286.2 286.2 274.8 286.4 0.05 26 524 4833 -34.7 -54.7 11 20.0 -35.5 225 14 286.9 286.9 275.1 287.0 0.04 27 510 5022 -35.3 -47.3 28 12.0 -35.9 223 15 288.4 288.4 276.0 288.7 0.11 28 500 5160 -36.3 -50.3 22 14.0 -37.0 220 17 288.8 288.8 276.2 289.0 0.08 29 488 5327 -37.5 -49.5 28 12.0 -38.1 224 17 289.3 289.3 276.5 289.6 0.09 30 452 5850 -41.1 -51.1 33 10.0 -41.5 232 16 291.2 291.2 277.4 291.5 0.08 31 410 6506 -44.9 -53.9 36 9.0 -45.2 226 17 294.5 294.6 279.0 294.8 0.06 32 404 6604 -45.1 -57.1 25 12.0 -45.4 223 17 295.5 295.5 279.4 295.7 0.04 33 400 6670 -45.7 -56.7 28 11.0 -46.0 220 18 295.6 295.6 279.4 295.8 0.04 34 393 6787 -46.1 -57.1 28 11.0 -46.4 213 18 296.6 296.6 279.9 296.7 0.04 35 358 7403 -48.9 -60.9 23 12.0 -49.1 225 20 300.8 300.8 281.7 300.9 0.03 36 332 7898 -48.7 -69.7 7 21.0 -49.0 207 13 307.7 307.7 284.4 307.7 0.01 37 321 8120 -46.5 -74.5 3 28.0 -47.0 212 13 313.7 313.7 286.6 313.7 0.00 38 300 8570 -45.5 -73.5 3 28.0 -46.0 235 8 321.2 321.2 289.1 321.3 0.01 39 291 8773 -44.5 -75.5 2 31.0 -45.1 230 7 325.5 325.5 290.4 325.5 0.00 40 250 9790 -43.5 -79.5 1 36.0 -44.3 180 5 341.4 341.4 294.7 341.4 0.00 41 232 10293 -43.3 -80.3 1 37.0 -44.2 266 3 349.1 349.1 296.4 349.1 0.00 42 206 11091 -44.5 -81.5 1 37.0 -45.3 41 7 359.3 359.3 298.5 359.3 0.00 43 200 11290 -43.1 -82.1 1 39.0 -44.1 75 9 364.5 364.5 299.6 364.5 0.00 44 196 11426 -42.9 -81.9 1 39.0 -43.9 73 9 367.0 367.0 300.0 367.0 0.00 45 180 11997 -44.5 -82.5 1 38.0 -45.4 63 10 373.4 373.4 301.2 373.4 0.00 46 165 12580 -43.1 -82.1 1 39.0 -44.3 62 8 385.1 385.1 303.1 385.2 0.00 47 150 13220 -44.1 -83.1 1 39.0 -45.3 65 6 394.1 394.1 304.4 394.1 0.00 48 138 13779 -45.3 -84.3 0 39.0 -46.4 55 5 401.5 401.5 305.4 401.5 0.00 49 127 14336 -44.1 -84.1 0 40.0 -45.4 46 4 413.3 413.3 306.9 413.3 0.00 50 100 15940 -44.7 -84.7 0 40.0 -46.3 65 2 441.4 441.4 310.0 441.4 0.00 51 87 16866 -45.9 -84.9 0 39.0 -47.5 65 7 456.9 456.9 311.5 456.9 0.00 52 70 18310 -45.5 -84.5 0 39.0 -47.5 85 6 487.0 487.0 314.0 487.1 0.00 53 62 19123 -44.9 -84.9 0 40.0 -47.2 89 5 505.6 505.6 315.4 505.6 0.00 54 50 20560 -46.9 -85.9 0 39.0 -49.2 45 10 532.9 532.9 317.1 533.0 0.00 55 45 21256 -47.5 -86.5 0 39.0 -49.8 51 9 547.8 547.8 318.0 547.8 0.00 56 32 23512 -46.1 -85.1 0 39.0 -49.6 24 4 607.6 607.6 320.9 607.7 0.01 57 30 23940 -47.3 -86.3 0 39.0 -50.6 20 4 615.7 615.7 321.3 615.7 0.01 58 21 26289 -49.5 -87.5 0 38.0 -53.0 32 10 675.2 675.2 323.6 675.2 0.01 59 20 26610 -48.1 -87.1 0 39.0 -52.2 70 19 688.9 688.9 324.1 689.0 0.01 60 12 29985 -45.9 -84.9 0 39.0 -52.5 85 9 805.1 805.1 327.4 805.3 0.02 61 11 30560 -48.3 -86.3 0 38.0 -54.2 85 9 816.7 816.7 327.7 816.9 0.02 62 10 31190 -45.9 -84.9 0 39.0 -53.2 85 8 848.2 848.2 328.4 848.5 0.03 63 5.4 35366 -37.7 -79.7 0 42.0 -52.5 1048.2 1048.3 331.9 1049.8 0.13 TRP 358 7403 -48.9 -60.9 23 12.0 -49.1 225 20 300.8 300.8 281.7 300.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5064.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 71.15 % Est. max temperature: -7.19 C = 19.06 F Sfc-Lift cond lev (LCL): 962.15 mb = 385.30 m = 1264.11 ft T: -18.10 C 700-500 lapse rate: 5.74 C/km ThetaE index: 0.01 C Layer 1000.0- 951.0 mb Conv cond level (CCL): 930.98 mb = 631.04 m = 2070.31 ft Mean mixing ratio: 0.86 g/kg Conv temperature: -13.90 C = 6.98 F Cap Strength: 22.86 C Lifted Index: 23.09 C Risk: None Lifted Index @300 mb: 42.90 C Lifted Index @700 mb: 15.74 C Showalter Index: 15.71 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 17.60 C K Index: -3.10 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 4.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.67 J/kg Max Up Vert Vel: 5.23 m/s Conv Inhibition (B-): 103632.36 J/kg Cap Strength: 22.97 C Lift Cond Lev (LCL): 936.37 mb = 588.08 m = 1929.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 10 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 1007 46 270 7 7.0 -0.0 | 77 3 -3.1 -0.7 1 1000 96 275 9 9.0 -0.8 | 36 2 -1.1 -1.5 2 972 305 300 7 6.1 -3.5 | 43 6 -4.0 -4.2 3 934 610 315 5 3.5 -3.5 | 57 8 -6.5 -4.3 4 925 679 315 3 2.1 -2.1 | 70 8 -8.0 -2.9 5 896 914 270 5 5.0 -0.0 | 82 5 -5.1 -0.7 6 860 1219 230 11 8.4 7.1 | 165 7 -1.7 6.3 7 850 1307 235 15 12.3 8.6 | 196 8 2.2 7.9 8 826 1524 245 12 10.9 5.1 | 190 4 0.8 4.3 9 793 1829 265 8 8.0 0.7 | 89 2 -2.1 -0.0 10 761 2134 270 10 10.0 -0.0 | 6 1 -0.1 -0.7 11 730 2438 245 13 11.8 5.5 | 200 5 1.7 4.8 12 701 2743 245 13 11.8 5.5 | 200 5 1.7 4.8 13 700 2754 245 15 13.6 6.3 | 212 7 3.5 5.6 14 672 3048 230 18 13.8 11.6 | 199 11 3.7 10.8 15 644 3353 220 21 13.5 16.1 | 193 16 3.4 15.4 16 617 3658 225 16 11.3 11.3 | 187 11 1.2 10.6 17 566 4267 230 18 13.8 11.6 | 199 11 3.7 10.8 18 520 4877 225 14 9.9 9.9 | 179 9 -0.2 9.2 19 500 5160 220 17 10.9 13.0 | 184 12 0.8 12.3 20 455 5791 235 16 13.1 9.2 | 200 9 3.0 8.4 21 435 6096 220 14 9.0 10.7 | 174 10 -1.1 10.0 22 416 6401 230 16 12.3 10.3 | 193 10 2.2 9.5 23 400 6670 220 18 11.6 13.8 | 187 13 1.5 13.1 24 380 7010 200 18 6.2 16.9 | 166 17 -3.9 16.2 25 358 7403 225 20 14.1 14.1 | 197 14 4.1 13.4 26 346 7620 230 19 14.6 12.2 | 201 12 4.5 11.5 27 331 7925 205 12 5.1 10.9 | 154 11 -5.0 10.1 28 316 8230 215 13 7.5 10.6 | 165 10 -2.6 9.9 29 302 8534 235 10 8.2 5.7 | 159 5 -1.9 5.0 30 300 8570 235 8 6.6 4.6 | 138 5 -3.5 3.9 31 275 9144 220 5 3.2 3.8 | 114 8 -6.9 3.1 32 251 9754 0 0 -0.0 -0.0 | 86 10 -10.1 -0.7 33 250 9790 180 5 0.0 5.0 | 113 11 -10.1 4.3 34 219 10668 330 2 1.0 -1.7 | 75 9 -9.1 -2.5 35 200 11290 75 9 -8.7 -2.3 | 81 19 -18.8 -3.1 36 175 12192 60 10 -8.7 -5.0 | 73 20 -18.7 -5.7 37 150 13220 65 6 -5.4 -2.5 | 78 16 -15.5 -3.3 38 111 15240 30 2 -1.0 -1.7 | 77 11 -11.1 -2.5 39 100 15940 65 2 -1.8 -0.8 | 82 12 -11.9 -1.6 40 97 16154 70 2 -1.9 -0.7 | 83 12 -12.0 -1.4 41 77 17678 60 13 -11.3 -6.5 | 71 23 -21.3 -7.2 42 74 17983 80 12 -11.8 -2.1 | 83 22 -21.9 -2.8 43 70 18310 85 6 -6.0 -0.5 | 86 16 -16.1 -1.3 44 67 18593 80 2 -2.0 -0.3 | 85 12 -12.0 -1.1 45 56 19812 100 10 -9.8 1.7 | 93 20 -19.9 1.0 46 53 20117 120 12 -10.4 6.0 | 104 21 -20.5 5.3 47 50 20560 45 10 -7.1 -7.1 | 66 19 -17.1 -7.8 48 49 20726 0 0 -0.0 -0.0 | 86 10 -10.1 -0.7 49 47 21031 70 13 -12.2 -4.4 | 77 23 -22.3 -5.2 50 44 21336 45 7 -4.9 -4.9 | 69 16 -15.0 -5.7 51 30 23940 20 4 -1.4 -3.8 | 69 12 -11.4 -4.5 52 24 25298 0 0 -0.0 -0.0 | 86 10 -10.1 -0.7 53 20 26518 40 12 -7.7 -9.2 | 61 20 -17.8 -9.9 54 20 26610 70 19 -17.9 -6.5 | 75 29 -27.9 -7.2 55 18 27127 75 19 -18.4 -4.9 | 79 29 -28.4 -5.7 56 18 27432 125 7 -5.7 4.0 | 102 16 -15.8 3.3 57 17 27737 85 10 -10.0 -0.9 | 85 20 -20.0 -1.6 58 16 28042 100 10 -9.8 1.7 | 93 20 -19.9 1.0 59 14 28956 70 10 -9.4 -3.4 | 78 20 -19.5 -4.2 60 13 29261 85 10 -10.0 -0.9 | 85 20 -20.0 -1.6 61 10 31190 85 8 -8.0 -0.7 | 85 18 -18.0 -1.4 Wind Parameters Mean winds (0-6000m): 235.8 at 13.5 knts Storm direction: 265.8 at 10.1 knts Shear (0-3000m) pos: 1.6 neg: 3.9 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 122.5 deg Storm rel helicity (0-3000m) pos: 22.6 neg: -9.2 tot: 13.4 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.82 Bulk Shear: 16.77 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 ------------------------------------------------------------------------------- 500 292 7 45 5| 4.8 0.0 4.8| 2.9 -1.6 1.3 2.6 -0.04| 7.4 -0.3 1000 289 6 59 5| 2.4 3.4 5.8| 11.5 -1.6 9.9 9.9 0.35| 8.0 2.8 1500 262 8 98 2| 1.6 3.7 5.3| 21.3 -2.4 18.9 12.6 0.43| 9.5 4.1 2000 261 8 105 2| 2.3 2.7 5.1| 21.3 -4.3 16.9 8.5 0.23| 8.7 2.0 2500 260 9 124 2| 1.9 3.4 5.2| 21.3 -5.4 15.9 6.3 0.09| 8.4 0.8 3000 254 10 166 2| 1.6 3.9 5.4| 22.6 -9.2 13.4 4.5 0.06| 8.2 0.5 4000 242 12 187 5| 1.3 3.0 4.3| 26.7 -18.9 7.8 2.0 0.03| 7.6 0.2 5000 238 13 188 6| 1.0 2.3 3.4| 30.2 -27.8 2.4 0.5 -0.01| 6.7 -0.0 6000 236 13 189 7| 0.9 1.9 2.8| 38.8 -36.3 2.5 0.4 -0.01| 6.4 -0.1 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20250427.00.gif