UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for KBOI... Searching the city database file for: KBOI ... Date:1200Z 27 APR 25 Station: KBOI WMO ident: 72681 Latitude: 43.57 Longitude: -116.22 Elevation: 874.00 ------------------------------------------------------------------------------- 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 7 1 925 680 SFC 904 874 9.0 4.8 75 4.2 6.8 150 3 290.4 291.5 284.4 307.5 5.97 3 899 920 11.0 5.0 66 6.0 7.8 173 3 292.9 294.0 285.5 310.5 6.09 4 884 1060 10.4 4.4 66 6.0 7.2 242 2 293.7 294.8 285.7 310.9 5.93 5 860 1289 11.8 0.8 47 11.0 6.2 351 1 297.5 298.4 285.9 311.5 4.71 6 850 1387 11.8 -0.2 44 12.0 5.8 35 1 298.5 299.3 285.9 311.8 4.43 7 817 1718 11.2 -3.8 35 15.0 4.1 13 8 301.3 301.9 286.1 312.0 3.53 8 786 2039 9.2 -4.8 37 14.0 2.7 5 12 302.5 303.1 286.4 312.9 3.40 9 700 2985 0.8 -7.2 55 8.0 -2.6 40 12 303.4 304.0 286.5 313.2 3.18 10 668 3358 -2.3 -8.3 63 6.0 -4.7 69 10 304.0 304.5 286.5 313.5 3.06 11 644 3648 -4.5 -10.5 63 6.0 -6.8 97 6 304.7 305.2 286.4 313.0 2.67 12 597 4238 -9.9 -11.7 87 1.8 -10.5 135 9 305.1 305.6 286.5 313.3 2.61 13 581 4447 -11.5 -13.9 82 2.4 -12.3 151 9 305.6 306.0 286.3 312.7 2.25 14 561 4715 -13.3 -19.3 61 6.0 -15.0 171 9 306.6 306.8 285.8 311.4 1.48 15 519 5302 -17.9 -21.6 73 3.7 -18.8 176 13 307.9 308.2 286.1 312.2 1.31 16 517 5331 -17.7 -22.7 65 5.0 -18.9 176 14 308.5 308.7 286.2 312.4 1.19 17 504 5521 -19.5 -23.0 74 3.5 -20.3 171 16 308.6 308.8 286.2 312.5 1.19 18 500 5580 -19.7 -24.1 68 4.4 -20.7 170 17 309.0 309.2 286.2 312.6 1.09 19 495 5655 -20.3 -24.4 70 4.1 -21.2 169 18 309.2 309.4 286.3 312.7 1.07 20 480 5883 -21.5 -29.5 48 8.0 -22.9 164 20 310.4 310.6 286.3 312.8 0.69 21 465 6116 -23.5 -30.5 53 7.0 -24.7 160 23 310.8 310.9 286.4 313.0 0.65 22 446 6420 -26.1 -34.1 47 8.0 -27.2 154 21 311.2 311.3 286.4 312.9 0.48 23 436 6584 -26.9 -39.9 28 13.0 -28.4 151 20 312.2 312.3 286.5 313.2 0.27 24 423 6802 -28.9 -38.9 38 10.0 -30.0 147 18 312.4 312.5 286.6 313.5 0.31 25 412 6990 -30.5 -41.5 33 11.0 -31.6 144 17 312.7 312.7 286.6 313.6 0.24 26 410 7025 -30.7 -43.7 27 13.0 -31.9 143 16 312.9 312.9 286.6 313.6 0.19 27 400 7200 -32.5 -44.5 29 12.0 -33.5 140 15 312.7 312.8 286.5 313.4 0.18 28 377 7612 -36.3 -45.3 39 9.0 -37.0 140 17 313.1 313.1 286.6 313.7 0.18 29 341 8297 -41.7 -53.7 26 12.0 -42.2 102 17 314.8 314.9 287.1 315.1 0.08 30 327 8579 -43.9 -53.9 32 10.0 -44.3 112 20 315.6 315.6 287.4 315.9 0.08 31 324 8640 -44.5 -53.5 36 9.0 -44.9 116 21 315.6 315.6 287.4 315.9 0.08 32 323 8661 -44.1 -52.1 41 8.0 -44.5 118 21 316.4 316.5 287.7 316.8 0.10 33 313 8870 -45.9 -52.9 45 7.0 -46.2 129 23 316.8 316.8 287.8 317.1 0.09 34 308 8977 -46.5 -54.5 40 8.0 -46.8 126 21 317.4 317.4 288.0 317.7 0.08 35 300 9150 -48.1 -54.1 50 6.0 -48.3 130 20 317.6 317.6 288.1 317.9 0.08 36 292 9327 -49.9 -55.9 49 6.0 -50.1 134 20 317.5 317.5 288.0 317.7 0.07 37 287 9440 -50.5 -58.5 38 8.0 -50.7 137 20 318.2 318.2 288.2 318.4 0.05 38 279 9624 -51.9 -56.8 56 4.9 -52.0 142 20 318.7 318.8 288.4 319.0 0.06 39 277 9671 -52.3 -57.3 55 5.0 -52.4 143 20 318.8 318.8 288.4 319.1 0.06 40 273 9765 -52.9 -61.9 33 9.0 -53.1 145 20 319.3 319.3 288.5 319.4 0.03 41 271 9812 -53.1 -61.1 37 8.0 -53.2 143 20 319.7 319.7 288.7 319.8 0.04 42 268 9884 -53.3 -64.3 25 11.0 -53.5 141 20 320.4 320.4 288.9 320.5 0.03 43 264 9980 -53.7 -62.7 32 9.0 -53.9 138 20 321.2 321.2 289.2 321.3 0.03 44 259 10103 -53.9 -65.9 22 12.0 -54.1 136 21 322.7 322.7 289.6 322.7 0.02 45 250 10330 -54.5 -69.5 14 15.0 -54.7 140 25 325.0 325.0 290.3 325.1 0.01 46 249 10356 -54.7 -69.7 14 15.0 -54.9 145 26 325.1 325.1 290.3 325.2 0.01 47 235 10730 -52.7 -72.7 7 20.0 -53.0 150 25 333.6 333.6 292.7 333.6 0.01 48 216 11274 -55.1 -79.1 4 24.0 -55.4 190 15 338.0 338.0 293.8 338.0 0.00 49 211 11425 -53.5 -81.5 2 28.0 -53.8 181 13 342.8 342.8 295.0 342.8 0.00 50 200 11770 -55.3 -81.3 3 26.0 -55.6 160 8 345.2 345.2 295.6 345.2 0.00 51 195 11931 -55.5 -81.5 3 26.0 -55.8 145 11 347.4 347.4 296.1 347.4 0.00 52 190 12096 -53.1 -82.1 2 29.0 -53.5 145 13 353.8 353.8 297.4 353.8 0.00 53 186 12233 -53.7 -82.7 2 29.0 -54.1 149 16 355.0 355.0 297.7 355.0 0.00 54 175 12625 -51.3 -82.3 1 31.0 -51.8 179 24 365.2 365.2 299.7 365.2 0.00 55 162 13122 -53.3 -83.3 1 30.0 -53.7 225 17 370.0 370.0 300.6 370.0 0.00 56 157 13325 -51.1 -83.1 1 32.0 -51.7 225 14 377.1 377.1 301.8 377.1 0.00 57 152 13534 -51.1 -83.1 1 32.0 -51.7 237 16 380.6 380.6 302.3 380.6 0.00 58 150 13620 -51.7 -83.7 1 32.0 -52.2 245 18 381.0 381.0 302.4 381.0 0.00 59 100 16220 -53.1 -85.1 1 32.0 -53.8 220 20 425.1 425.1 308.3 425.1 0.00 TRP 249 10356 -54.7 -69.7 14 15.0 -54.9 145 26 325.1 325.1 290.3 325.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5573.00 m Freezing level: 691.74 mb = 3081.38 m = 10109.40 ft Wetbulb zero: 741.49 mb = 2515.08 m = 8251.46 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 59.39 % Est. max temperature: 21.06 C = 69.92 F Sfc-Lift cond lev (LCL): 847.95 mb = 1407.13 m = 4616.52 ft T: 11.76 C 700-500 lapse rate: 7.90 C/km Conv cond level (CCL): 661.44 mb = 3436.52 m = 11274.54 ft Mean mixing ratio: 4.68 g/kg Conv temperature: 22.36 C = 72.25 F Cap Strength: 5.05 C Lifted Index: 1.67 C Risk: Showers probable Lifted Index @300 mb: 4.56 C Lifted Index @700 mb: 4.18 C Showalter Index: 1.49 C Risk: Showers probable Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.50 C Cross Totals Index: 19.50 C K Index: 23.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 59.00 Risk: None Energy Index: 0.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.15 J/kg Max Up Vert Vel: 9.40 m/s Conv Inhibition (B-): 9679.18 J/kg Cap Strength: 5.05 C Lift Cond Lev (LCL): 725.45 mb = 2693.59 m = 8837.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 165 at 9 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 ---------------------------------------------------------- 0 904 874 150 3 -1.5 2.6 | 353 6 0.8 -5.7 1 867 1219 320 1 0.6 -0.8 | 342 10 2.9 -9.1 2 850 1387 35 1 -0.6 -0.8 | 350 9 1.7 -9.1 3 806 1829 5 11 -1.0 -11.0 | 356 19 1.3 -19.3 4 776 2134 5 12 -1.0 -12.0 | 357 20 1.2 -20.3 5 748 2438 345 12 3.1 -11.6 | 345 21 5.4 -19.9 6 721 2743 15 13 -3.4 -12.6 | 3 21 -1.1 -20.9 7 700 2985 40 12 -7.7 -9.2 | 17 18 -5.5 -17.5 8 667 3353 70 10 -9.4 -3.4 | 31 14 -7.1 -11.7 9 642 3658 100 6 -5.9 1.0 | 27 8 -3.7 -7.3 10 617 3962 110 4 -3.8 1.4 | 12 7 -1.5 -7.0 11 593 4267 140 10 -6.4 7.7 | 81 4 -4.2 -0.7 12 548 4877 185 8 0.7 8.0 | 277 3 2.9 -0.4 13 500 5580 170 17 -3.0 16.7 | 175 8 -0.7 8.4 14 466 6096 160 23 -7.9 21.6 | 157 14 -5.6 13.3 15 400 7200 140 15 -9.6 11.5 | 113 8 -7.4 3.2 16 393 7315 140 14 -9.0 10.7 | 110 7 -6.7 2.4 17 376 7620 140 17 -10.9 13.0 | 118 10 -8.7 4.7 18 344 8230 100 16 -15.8 2.8 | 68 15 -13.5 -5.5 19 329 8534 110 20 -18.8 6.8 | 85 17 -16.5 -1.5 20 314 8839 130 23 -17.6 14.8 | 113 17 -15.4 6.5 21 300 9144 120 19 -16.5 9.5 | 95 14 -14.2 1.2 22 300 9150 130 20 -15.3 12.9 | 109 14 -13.1 4.5 23 273 9754 145 20 -11.5 16.4 | 131 12 -9.2 8.1 24 261 10058 135 20 -14.1 14.1 | 116 13 -11.9 5.8 25 250 10330 140 25 -16.1 19.2 | 128 18 -13.8 10.8 26 249 10356 145 26 -14.9 21.3 | 136 18 -12.7 13.0 27 237 10668 145 26 -14.9 21.3 | 136 18 -12.7 13.0 28 216 11278 190 15 2.6 14.8 | 217 8 4.9 6.5 29 200 11770 160 8 -2.7 7.5 | 31 1 -0.5 -0.8 30 196 11887 145 10 -5.7 8.2 | 88 3 -3.5 -0.1 31 187 12192 145 15 -8.6 12.3 | 122 7 -6.4 4.0 32 179 12497 175 23 -2.0 22.9 | 181 15 0.2 14.6 33 170 12802 185 26 2.3 25.9 | 194 18 4.5 17.6 34 162 13106 225 17 12.0 12.0 | 255 15 14.3 3.7 35 155 13411 225 13 9.2 9.2 | 266 11 11.4 0.9 36 150 13620 245 18 16.3 7.6 | 272 19 18.6 -0.7 37 141 14021 245 18 16.3 7.6 | 272 19 18.6 -0.7 38 134 14326 215 14 8.0 11.5 | 253 11 10.3 3.1 39 128 14630 245 14 12.7 5.9 | 279 15 14.9 -2.4 40 122 14935 225 17 12.0 12.0 | 255 15 14.3 3.7 41 117 15240 245 13 11.8 5.5 | 281 14 14.0 -2.8 42 106 15850 215 16 9.2 13.1 | 247 12 11.4 4.8 43 100 16220 220 20 12.9 15.3 | 245 17 15.1 7.0 44 95 16459 220 20 12.9 15.3 | 245 17 15.1 7.0 Wind Parameters Mean winds (0-6000m): 134.9 at 11.5 knts Storm direction: 164.9 at 8.6 knts Shear (0-3000m) pos: 2.5 neg: 2.5 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 24.4 deg Storm rel helicity (0-3000m) pos: 88.2 neg: -31.1 tot: 57.1 m^2/s^2 ave: 19.0 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 1.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.45 Bulk Shear: 12.78 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 ------------------------------------------------------------------------------- 500 144 2 350 7| 0.0 3.7 3.7| 6.7 -3.6 3.1 6.2 0.07| 7.5 0.5 1000 10 4 353 12| 0.0 7.1 7.1| 12.1 -7.7 4.4 4.4 0.08| 9.2 0.8 1500 4 7 353 15| 0.0 5.1 5.1| 12.6 -25.3 -12.7 -8.5 -0.08| 7.5 -0.6 2000 4 8 354 16| 2.1 3.8 5.9| 59.6 -26.1 33.5 16.7 0.22| 8.0 1.8 2500 16 9 1 17| 3.0 3.1 6.0| 87.7 -26.1 61.5 24.6 0.32| 8.2 2.7 3000 26 8 5 16| 2.5 2.5 5.1| 88.2 -31.1 57.1 19.0 0.23| 8.0 1.9 4000 47 8 15 14| 2.6 1.9 4.5| 97.9 -31.8 66.1 16.5 0.32| 8.0 2.6 5000 103 10 49 9| 2.0 0.4 2.4| 97.9 -45.5 52.4 10.5 0.15| 7.8 1.1 6000 135 11 88 6| 1.7 0.9 2.6| 97.9 -69.1 28.8 4.8 0.04| 7.3 0.3 Wrote GIF file: /home/apache/climate/data/raob//KBOI/skewt/KBOI.skewt.20250427.12.gif