UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for KBOI... Searching the city database file for: KBOI ... Date:1200Z 21 DEC 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 103 1 925 758 SFC 912 874 2.8 2.2 96 0.6 2.5 265 4 283.3 284.2 280.0 297.1 4.92 3 910 892 2.6 1.7 94 0.9 2.2 257 5 283.3 284.1 279.8 296.6 4.75 4 905 937 4.4 1.2 80 3.2 2.9 239 6 285.6 286.4 280.7 298.6 4.61 5 898 1000 5.2 1.4 76 3.8 3.4 212 8 287.0 287.9 281.5 300.4 4.71 6 894 1036 6.4 1.6 71 4.8 4.1 197 9 288.7 289.5 282.3 302.4 4.80 7 850 1449 4.4 2.0 84 2.4 3.2 155 10 290.8 291.7 283.7 305.7 5.20 8 806 1879 0.6 0.6 100 0.0 0.6 144 11 291.2 292.0 283.6 305.5 4.96 9 778 2163 -0.5 -0.9 97 0.4 -0.7 173 13 292.9 293.8 284.0 306.4 4.60 10 700 3003 -4.1 -4.4 98 0.3 -4.3 220 24 297.9 298.7 285.2 309.8 3.94 11 615 4015 -8.5 -9.0 96 0.5 -8.7 222 39 304.1 304.7 286.7 313.9 3.15 12 542 4983 -14.7 -15.9 91 1.2 -15.1 252 46 307.9 308.3 286.9 314.5 2.04 13 531 5138 -15.3 -16.7 89 1.4 -15.7 254 46 309.0 309.4 287.2 315.3 1.95 14 522 5267 -15.9 -17.3 89 1.4 -16.3 254 49 309.8 310.2 287.4 315.9 1.88 15 500 5590 -17.5 -18.7 90 1.2 -17.9 250 64 311.7 312.0 287.9 317.4 1.75 16 484 5833 -18.3 -19.2 93 0.9 -18.6 255 70 313.6 314.0 288.5 319.3 1.73 17 439 6555 -22.7 -23.7 92 1.0 -22.9 260 79 316.9 317.2 289.2 321.3 1.29 18 428 6741 -24.5 -26.0 87 1.5 -24.8 260 80 317.0 317.2 288.9 320.6 1.07 19 417 6930 -25.9 -26.9 91 1.0 -26.1 260 82 317.5 317.7 289.0 321.0 1.01 20 409 7070 -27.1 -29.3 82 2.2 -27.5 260 83 317.7 317.9 288.9 320.6 0.83 21 400 7230 -28.5 -30.7 81 2.2 -28.9 260 84 317.9 318.1 288.9 320.5 0.74 22 398 7266 -28.9 -31.3 80 2.4 -29.3 260 84 317.9 318.0 288.8 320.3 0.70 23 376 7671 -32.1 -34.4 80 2.3 -32.4 260 88 318.9 319.0 289.0 320.8 0.55 24 365 7881 -33.7 -35.7 82 2.0 -33.9 259 90 319.4 319.5 289.1 321.2 0.50 25 334 8499 -38.1 -40.9 75 2.8 -38.4 255 98 321.6 321.7 289.6 322.8 0.32 26 305 9119 -43.5 -46.3 74 2.8 -43.7 260 106 322.5 322.6 289.8 323.3 0.20 27 300 9230 -44.3 -47.7 69 3.4 -44.5 265 110 322.9 323.0 289.8 323.6 0.17 28 296 9319 -45.1 -48.9 66 3.8 -45.3 266 111 323.0 323.1 289.9 323.6 0.15 29 286 9547 -46.9 -50.1 70 3.2 -47.0 268 114 323.6 323.7 290.0 324.2 0.14 30 275 9804 -49.1 -53.8 58 4.7 -49.3 270 117 324.1 324.1 290.1 324.5 0.09 31 274 9828 -49.5 -53.9 60 4.4 -49.7 271 116 323.9 323.9 290.0 324.2 0.09 32 255 10293 -53.1 -57.0 62 3.9 -53.2 274 112 325.3 325.3 290.5 325.5 0.07 33 250 10420 -53.9 -58.4 58 4.5 -54.0 275 111 325.9 325.9 290.6 326.2 0.06 34 248 10472 -54.5 -59.4 55 4.9 -54.6 275 112 325.8 325.8 290.6 326.0 0.05 35 229 10978 -57.7 -63.7 46 6.0 -57.8 279 117 328.4 328.4 291.3 328.6 0.03 36 225 11089 -58.4 -63.0 56 4.6 -58.5 280 118 329.0 329.0 291.5 329.2 0.04 37 222 11174 -58.9 -62.4 64 3.5 -59.0 280 118 329.5 329.5 291.6 329.7 0.04 38 219 11259 -59.3 -64.3 52 5.0 -59.4 280 118 330.2 330.2 291.8 330.3 0.03 39 217 11317 -57.9 -65.9 35 8.0 -58.0 278 116 333.2 333.2 292.6 333.3 0.02 40 206 11644 -58.3 -69.3 23 11.0 -58.5 263 101 337.6 337.6 293.7 337.6 0.02 41 200 11830 -59.5 -70.5 23 11.0 -59.6 255 92 338.5 338.5 294.0 338.6 0.01 42 190 12148 -62.3 -70.3 33 8.0 -62.4 251 95 339.0 339.0 294.1 339.1 0.02 43 185 12312 -62.9 -72.9 25 10.0 -63.0 250 104 340.7 340.7 294.5 340.7 0.01 44 182 12413 -62.1 -75.1 16 13.0 -62.2 253 105 343.6 343.6 295.2 343.6 0.01 45 174 12693 -58.9 -77.9 7 19.0 -59.1 262 110 353.3 353.3 297.3 353.3 0.01 46 165 13026 -57.5 -79.5 4 22.0 -57.8 269 109 361.0 361.0 298.9 361.1 0.00 47 164 13065 -57.3 -78.3 5 21.0 -57.5 269 109 362.0 362.0 299.1 362.0 0.01 48 150 13630 -55.7 -78.7 4 23.0 -56.1 275 95 374.1 374.1 301.3 374.1 0.01 49 142 13979 -54.5 -77.5 4 23.0 -54.9 273 87 382.1 382.1 302.6 382.1 0.01 50 120 15043 -59.5 -83.5 3 24.0 -59.7 270 81 391.8 391.8 304.0 391.8 0.00 51 114 15362 -62.7 -84.7 4 22.0 -62.9 271 84 391.6 391.6 304.0 391.6 0.00 52 100 16170 -61.7 -84.7 3 23.0 -61.9 280 74 408.5 408.5 306.3 408.5 0.00 53 96 16424 -60.5 -83.5 3 23.0 -60.8 280 74 415.7 415.7 307.2 415.7 0.00 54 89 16895 -62.3 -84.3 4 22.0 -62.6 269 75 421.2 421.2 307.9 421.2 0.00 55 87 17035 -61.7 -83.7 4 22.0 -62.0 266 75 425.1 425.1 308.3 425.1 0.00 56 84 17252 -62.9 -84.9 4 22.0 -63.1 267 73 427.0 427.0 308.5 427.0 0.00 57 78 17711 -61.7 -84.7 3 23.0 -62.0 273 69 438.6 438.6 309.7 438.6 0.00 58 70 18380 -63.1 -86.1 3 23.0 -63.4 280 63 449.4 449.4 310.8 449.4 0.00 59 68 18558 -62.3 -85.3 3 23.0 -62.6 280 64 454.9 454.9 311.3 454.9 0.00 60 64 18931 -64.1 -87.1 3 23.0 -64.4 279 63 458.9 458.9 311.7 458.9 0.00 61 61 19225 -63.1 -86.1 3 23.0 -63.4 276 49 467.4 467.4 312.4 467.5 0.00 62 58 19533 -64.9 -86.9 3 22.0 -65.2 288 51 470.2 470.2 312.7 470.2 0.00 63 52 20201 -63.7 -86.7 3 23.0 -64.0 271 47 487.9 487.9 314.1 487.9 0.00 64 50 20440 -65.3 -88.3 3 23.0 -65.6 265 57 489.6 489.6 314.2 489.6 0.00 65 48 20688 -65.9 -88.9 3 23.0 -66.2 268 58 493.9 493.9 314.5 493.9 0.00 66 43 21362 -61.9 -86.9 2 25.0 -62.4 276 59 519.5 519.5 316.3 519.6 0.00 67 41 21657 -62.5 -87.5 2 25.0 -63.0 286 46 525.2 525.2 316.6 525.2 0.00 68 40 21810 -60.3 -86.3 2 26.0 -61.0 290 41 534.4 534.4 317.2 534.5 0.01 69 36 22459 -65.3 -88.3 3 23.0 -65.7 298 38 537.8 537.8 317.4 537.9 0.00 70 32 23188 -58.1 -86.1 2 28.0 -59.2 313 24 575.5 575.5 319.5 575.6 0.01 TRP 185 12312 -62.9 -72.9 25 10.0 -63.0 250 104 340.7 340.7 294.5 340.7 0.01 WND 225 11089 -58.4 -63.0 56 4.6 -58.5 280 118 329.0 329.0 291.5 329.2 0.04 Sounding variables and indices 1000-500 mb thick: 5487.00 m Freezing level: 790.73 mb = 2033.97 m = 6673.06 ft Wetbulb zero: 792.84 mb = 2011.29 m = 6598.64 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 92.84 % Est. max temperature: 13.13 C = 55.64 F Sfc-Lift cond lev (LCL): 903.53 mb = 949.78 m = 3116.04 ft T: 4.57 C 700-500 lapse rate: 5.18 C/km ThetaE index: 0.47 C Layer 910.0- 905.0 mb Conv cond level (CCL): 807.03 mb = 1868.91 m = 6131.53 ft Mean mixing ratio: 4.99 g/kg Conv temperature: 10.43 C = 50.78 F Cap Strength: 7.87 C Lifted Index: 8.85 C Risk: None Lifted Index @300 mb: 13.69 C Lifted Index @700 mb: 3.20 C Showalter Index: 7.56 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.50 C K Index: 23.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 108.00 Risk: None Energy Index: 2.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.68 J/kg Max Up Vert Vel: 6.43 m/s Conv Inhibition (B-): 32509.63 J/kg Cap Strength: 8.54 C Lift Cond Lev (LCL): 826.52 mb = 1675.76 m = 5497.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 273 at 30 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 ---------------------------------------------------------- 0 912 874 265 4 4.0 0.3 | 94 26 -25.6 1.9 1 874 1219 120 15 -13.0 7.5 | 102 44 -42.6 9.1 2 850 1449 155 10 -4.2 9.1 | 107 35 -33.8 10.6 3 842 1524 150 13 -6.5 11.3 | 110 38 -36.1 12.8 4 811 1829 140 11 -7.1 8.4 | 105 38 -36.7 10.0 5 780 2134 170 13 -2.3 12.8 | 114 35 -31.9 14.4 6 751 2438 210 16 8.0 13.9 | 126 27 -21.6 15.4 7 723 2743 220 22 14.1 16.9 | 140 24 -15.5 18.4 8 700 3003 220 24 15.4 18.4 | 145 24 -14.2 19.9 9 643 3658 225 35 24.7 24.7 | 170 27 -4.9 26.3 10 618 3962 220 39 25.1 29.9 | 172 32 -4.5 31.4 11 594 4267 240 42 36.4 21.0 | 197 24 6.8 22.6 12 549 4877 250 46 43.2 15.7 | 218 22 13.6 17.3 13 527 5182 255 46 44.4 11.9 | 228 20 14.8 13.5 14 500 5590 250 64 60.1 21.9 | 232 38 30.5 23.5 15 467 6096 260 76 74.8 13.2 | 252 48 45.2 14.8 16 400 7230 260 84 82.7 14.6 | 253 56 53.1 16.1 17 378 7620 260 87 85.7 15.1 | 253 58 56.1 16.7 18 332 8534 255 99 95.6 25.6 | 248 71 66.0 27.2 19 304 9144 260 106 104.4 18.4 | 255 77 74.8 20.0 20 300 9230 265 110 109.6 9.6 | 262 81 80.0 11.1 21 277 9754 270 117 117.0 -0.0 | 269 87 87.4 1.6 22 250 10420 275 111 110.6 -9.7 | 276 81 81.0 -8.1 23 225 11089 280 118 116.2 -20.5 | 282 89 86.6 -18.9 24 218 11278 280 118 116.2 -20.5 | 282 89 86.6 -18.9 25 200 11830 255 92 88.9 23.8 | 247 64 59.3 25.4 26 198 11887 260 90 88.6 15.6 | 254 61 59.0 17.2 27 189 12192 250 96 90.2 32.8 | 240 70 60.6 34.4 28 185 12312 250 104 97.7 35.6 | 241 78 68.1 37.1 29 171 12802 265 111 110.6 9.7 | 262 82 81.0 11.2 30 155 13411 275 107 106.6 -9.3 | 276 77 77.0 -7.8 31 150 13630 275 95 94.6 -8.3 | 276 65 65.0 -6.7 32 134 14326 270 79 79.0 -0.0 | 268 49 49.4 1.6 33 116 15240 270 81 81.0 -0.0 | 268 51 51.4 1.6 34 105 15850 275 96 95.6 -8.4 | 276 66 66.0 -6.8 35 100 16170 280 74 72.9 -12.8 | 285 45 43.3 -11.3 36 95 16459 280 74 72.9 -12.8 | 285 45 43.3 -11.3 37 86 17069 265 75 74.7 6.5 | 260 46 45.1 8.1 38 71 18288 280 63 62.0 -10.9 | 286 34 32.4 -9.4 39 70 18380 280 63 62.0 -10.9 | 286 34 32.4 -9.4 40 64 18898 280 65 64.0 -11.3 | 286 36 34.4 -9.7 41 61 19202 275 49 48.8 -4.3 | 278 19 19.2 -2.7 42 55 19812 300 53 45.9 -26.5 | 327 30 16.3 -24.9 43 53 20117 275 44 43.8 -3.8 | 279 14 14.2 -2.3 44 50 20422 260 55 54.2 9.6 | 246 27 24.6 11.1 45 50 20440 265 57 56.8 5.0 | 256 28 27.2 6.5 46 43 21031 275 60 59.8 -5.2 | 277 30 30.2 -3.7 47 40 21336 290 41 38.5 -14.0 | 324 15 8.9 -12.5 48 37 21641 300 41 35.5 -20.5 | 343 20 5.9 -18.9 49 35 21946 295 34 30.8 -14.4 | 355 13 1.2 -12.8 50 30 22555 330 15 7.5 -13.0 | 63 25 -22.1 -11.4 51 28 22860 285 24 23.2 -6.2 | 54 8 -6.4 -4.6 52 26 23165 285 29 28.0 -7.5 | 15 6 -1.6 -5.9 53 24 23470 300 30 26.0 -15.0 | 15 14 -3.6 -13.4 Wind Parameters Mean winds (0-6000m): 243.0 at 39.5 knts Storm direction: 273.0 at 29.6 knts Shear (0-3000m) pos: 5.2 neg: 2.8 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 77.1 deg Storm rel helicity (0-3000m) pos: 330.4 neg: -71.9 tot: 258.5 m^2/s^2 ave: 86.2 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 12.6 stream: 6.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.08 Bulk Shear: 264.32 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 ------------------------------------------------------------------------------- 500 131 11 103 39| 0.0 14.5 14.5| 77.7 -52.7 24.9 49.8 0.18| 28.4 5.0 1000 140 11 105 38| 0.2 7.3 7.5| 95.3 -71.9 23.5 23.5 0.14| 17.5 2.4 1500 153 12 109 37| 4.6 4.8 9.5|186.8 -71.9 114.9 76.6 0.31| 16.4 5.1 2000 177 14 117 34| 6.0 3.6 9.6|243.4 -71.9 171.5 85.8 0.40| 14.9 6.0 2500 194 16 124 31| 6.2 2.9 9.1|291.0 -71.9 219.2 87.7 0.47| 13.4 6.3 3000 204 19 132 29| 5.2 2.8 8.0|330.4 -71.9 258.5 86.2 0.49| 12.6 6.2 4000 221 25 148 25| 5.9 2.1 8.0|469.4 -71.9 397.5 99.4 0.58| 12.6 7.3 5000 233 32 168 21| 7.3 1.7 9.0|590.3 -71.9 518.5 103.7 0.54| 13.3 7.2 6000 243 40 196 20| 6.8 1.4 8.2|677.5 -71.9 605.6 100.9 0.54| 12.2 6.7 Wrote GIF file: /home/apache/climate/data/raob//KBOI/skewt/KBOI.skewt.20251221.12.gif