UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080719.upa.cvt Date: 1900Z 7 AUG 25 Searching for KBIS... Searching the city database file for: KBIS ... Date:1900Z 7 AUG 25 Station: KBIS WMO ident: 72764 Latitude: 46.77 Longitude: -100.75 Elevation: 506.00 ------------------------------------------------------------------------------- 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 74 SFC 953 506 30.6 22.6 62 8.0 24.6 308.0 311.4 299.4 363.7 18.41 2 949 544 28.4 19.4 58 9.0 22.0 306.1 308.9 297.0 351.4 15.11 3 941 620 27.8 19.8 62 8.0 22.1 306.2 309.1 297.3 353.2 15.63 4 925 773 26.0 20.0 70 6.0 21.7 120 11 305.9 308.9 297.5 354.2 16.11 5 896 1053 23.4 18.8 75 4.6 20.1 120 14 306.0 308.9 297.1 352.3 15.42 6 884 1171 22.4 17.8 75 4.6 19.2 120 15 306.2 308.9 296.7 350.2 14.66 7 850 1512 19.2 16.4 84 2.8 17.2 120 18 306.3 308.9 296.2 348.1 13.94 8 845 1563 18.8 16.0 84 2.8 16.9 128 17 306.4 308.9 296.1 347.4 13.66 9 840 1614 18.6 15.5 82 3.1 16.5 130 17 306.7 309.2 295.9 346.7 13.30 10 819 1831 19.8 9.8 52 10.0 13.4 135 19 310.2 311.9 294.0 338.7 9.33 11 799 2044 19.0 6.0 43 13.0 11.2 128 16 311.5 312.9 292.9 334.3 7.36 12 788 2163 19.2 2.2 32 17.0 9.5 128 14 313.0 314.1 291.9 330.8 5.70 13 765 2417 17.4 -1.6 27 19.0 7.3 157 15 313.7 314.5 291.1 327.8 4.45 14 714 3000 12.0 0.0 44 12.0 5.5 170 13 314.0 315.0 292.0 330.9 5.36 15 700 3166 11.2 -1.8 40 13.0 4.4 175 16 314.9 315.8 291.7 330.1 4.79 16 694 3238 10.8 -2.2 40 13.0 4.0 176 17 315.2 316.1 291.7 330.2 4.69 17 667 3567 8.0 -4.0 42 12.0 2.0 183 22 315.7 316.5 291.5 329.3 4.26 18 647 3817 5.8 -5.2 45 11.0 0.4 185 24 315.9 316.7 291.4 328.8 4.01 19 622 4138 3.2 -6.8 48 10.0 -1.4 193 28 316.5 317.3 291.3 328.5 3.69 20 592 4537 0.2 -12.8 37 13.0 -5.0 200 35 317.6 318.0 290.5 325.5 2.41 21 566 4895 -1.9 -4.9 80 3.0 -3.4 220 32 319.2 320.1 292.9 334.4 4.70 22 560 4980 -2.3 -7.1 70 4.8 -4.5 220 32 319.7 320.5 292.4 332.8 4.01 23 524 5505 -5.9 -16.9 41 11.0 -9.8 230 36 321.5 321.9 291.2 328.1 1.94 24 500 5870 -9.1 -18.1 48 9.0 -12.1 230 36 321.9 322.3 291.2 328.2 1.84 25 487 6073 -11.1 -19.1 52 8.0 -13.6 230 37 321.9 322.3 291.1 327.8 1.73 26 480 6185 -11.7 -20.7 47 9.0 -14.5 230 37 322.5 322.8 291.1 327.8 1.53 27 478 6217 -11.9 -20.9 47 9.0 -14.6 230 37 322.7 323.0 291.1 327.9 1.51 28 457 6560 -13.9 -21.9 51 8.0 -16.2 235 39 324.3 324.6 291.5 329.4 1.45 29 451 6660 -14.7 -22.7 51 8.0 -16.9 238 42 324.6 324.8 291.5 329.3 1.37 30 406 7449 -19.7 -46.7 7 27.0 -23.2 238 38 328.0 328.0 291.3 328.5 0.14 31 400 7560 -20.5 -43.5 11 23.0 -23.7 240 36 328.3 328.4 291.5 329.1 0.20 32 399 7578 -20.5 -43.5 11 23.0 -23.7 240 36 328.6 328.6 291.5 329.4 0.20 33 379 7955 -23.9 -43.9 14 20.0 -26.4 245 40 329.0 329.0 291.6 329.8 0.21 34 348 8571 -28.9 -46.9 16 18.0 -30.7 240 38 330.3 330.4 292.0 331.0 0.16 35 345 8632 -29.3 -48.3 14 19.0 -31.1 240 38 330.6 330.6 292.0 331.2 0.14 36 340 8736 -30.3 -48.3 16 18.0 -32.0 240 37 330.6 330.7 292.0 331.2 0.14 37 334 8862 -31.3 -49.3 15 18.0 -32.9 240 36 330.9 331.0 292.1 331.5 0.13 38 312 9339 -35.7 -49.7 22 14.0 -36.7 243 36 331.3 331.3 292.2 331.8 0.13 39 300 9610 -38.1 -51.1 24 13.0 -38.9 245 36 331.7 331.7 292.3 332.1 0.12 40 297 9679 -38.7 -50.7 27 12.0 -39.5 245 36 331.8 331.8 292.3 332.3 0.12 41 286 9937 -40.3 -55.3 19 15.0 -41.1 248 36 333.1 333.1 292.6 333.4 0.07 42 270 10327 -43.1 -57.1 20 14.0 -43.7 246 38 334.5 334.6 293.0 334.8 0.06 43 259 10605 -45.1 -58.1 22 13.0 -45.6 241 36 335.6 335.6 293.3 335.8 0.06 44 250 10840 -47.3 -59.3 24 12.0 -47.7 240 34 335.7 335.8 293.3 336.0 0.05 45 249 10867 -47.5 -59.5 24 12.0 -47.9 240 34 335.8 335.8 293.3 336.0 0.05 46 238 11164 -49.9 -60.9 26 11.0 -50.2 240 33 336.6 336.6 293.5 336.8 0.04 47 232 11330 -51.3 -61.3 29 10.0 -51.5 240 33 336.9 336.9 293.6 337.1 0.04 48 222 11615 -53.3 -62.3 33 9.0 -53.5 240 36 338.1 338.1 293.9 338.3 0.04 49 210 11971 -55.7 -64.7 32 9.0 -55.9 244 40 339.8 339.8 294.3 339.9 0.03 50 205 12124 -56.9 -65.9 31 9.0 -57.1 241 41 340.2 340.3 294.4 340.4 0.03 51 200 12280 -57.9 -65.9 35 8.0 -58.0 235 41 341.1 341.1 294.6 341.2 0.03 52 198 12343 -58.1 -66.1 35 8.0 -58.2 235 41 341.7 341.7 294.8 341.9 0.03 53 187 12701 -59.9 -68.9 30 9.0 -60.0 235 43 344.5 344.5 295.4 344.5 0.02 54 184 12802 -60.7 -68.7 34 8.0 -60.8 235 44 344.8 344.8 295.5 344.8 0.02 55 180 12938 -61.1 -70.1 29 9.0 -61.2 239 44 346.3 346.3 295.8 346.4 0.02 56 173 13183 -62.1 -70.1 34 8.0 -62.2 245 47 348.6 348.6 296.3 348.7 0.02 57 172 13219 -62.1 -70.1 34 8.0 -62.2 245 48 349.2 349.2 296.5 349.2 0.02 58 170 13291 -62.3 -71.3 29 9.0 -62.4 245 47 350.0 350.0 296.7 350.1 0.01 59 150 14070 -58.3 -70.3 20 12.0 -58.5 250 46 369.6 369.6 300.5 369.7 0.02 60 100 16620 -59.1 -79.1 6 20.0 -59.4 245 28 413.5 413.5 306.9 413.6 0.01 TRP 172 13219 -62.1 -70.1 34 8.0 -62.2 245 48 349.2 349.2 296.5 349.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 589.52 mb = 4570.83 m = 14995.99 ft Wetbulb zero: 641.27 mb = 3889.48 m = 12760.61 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 51.65 % Est. max temperature: 33.84 C = 92.90 F Sfc-Lift cond lev (LCL): 849.14 mb = 1520.68 m = 4989.04 ft T: 19.13 C 700-500 lapse rate: 7.51 C/km ThetaE index: 26.42 C Layer 896.0- 714.0 mb Conv cond level (CCL): 749.66 mb = 2588.01 m = 8490.75 ft Mean mixing ratio: 15.24 g/kg Conv temperature: 36.34 C = 97.42 F Cap Strength: 3.71 C Lifted Index: -6.83 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -10.76 C Lifted Index @700 mb: 0.11 C Showalter Index: -5.46 C Risk: Severe thunderstorms possible Total Totals Index: 53.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 25.50 C K Index: 31.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 364.80 Risk: Showers and thunderstorms possible Energy Index: -3.88 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2865.45 J/kg Max Up Vert Vel: 75.70 m/s Conv Inhibition (B-): 111.62 J/kg Cap Strength: 3.61 C Lift Cond Lev (LCL): 834.38 mb = 1671.31 m = 5483.24 ft Lev Free Conv (LFC): 689.38 mb = 3293.18 m = 10804.27 ft Equ Level (EL): 159.38 mb = 13692.59 m = 44922.65 ft B at Equ Level: 2776.58 J/kg Wind level data Storm motion: 228 at 18 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 ---------------------------------------------------------- 0 925 773 120 11 -9.5 5.5 | 74 24 -23.2 -6.8 1 850 1512 120 18 -15.6 9.0 | 84 29 -29.3 -3.3 2 945 610 130 10 -7.7 6.4 | 75 22 -21.3 -5.9 3 912 914 110 12 -11.3 4.1 | 72 26 -24.9 -8.2 4 880 1219 120 14 -12.1 7.0 | 78 26 -25.8 -5.3 5 819 1829 135 19 -13.4 13.4 | 92 27 -27.1 1.1 6 790 2134 125 14 -11.5 8.0 | 80 25 -25.1 -4.3 7 762 2438 160 15 -5.1 14.1 | 95 19 -18.8 1.8 8 736 2743 170 15 -2.6 14.8 | 99 16 -16.3 2.5 9 710 3048 170 13 -2.3 12.8 | 92 16 -15.9 0.5 10 700 3166 175 16 -1.4 15.9 | 104 16 -15.1 3.7 11 658 3658 185 24 2.1 23.9 | 135 16 -11.6 11.6 12 634 3962 185 25 2.2 24.9 | 138 17 -11.5 12.6 13 610 4267 200 30 10.3 28.2 | 168 16 -3.4 15.9 14 588 4572 200 36 12.3 33.8 | 176 22 -1.4 21.5 15 566 4877 220 32 20.6 24.5 | 209 14 6.9 12.2 16 545 5182 220 32 20.6 24.5 | 209 14 6.9 12.2 17 524 5486 230 36 27.6 23.1 | 232 18 13.9 10.9 18 505 5791 235 35 28.7 20.1 | 243 17 15.0 7.8 19 500 5870 230 36 27.6 23.1 | 232 18 13.9 10.9 20 485 6096 230 37 28.3 23.8 | 232 19 14.7 11.5 21 466 6401 230 36 27.6 23.1 | 232 18 13.9 10.9 22 448 6706 240 43 37.2 21.5 | 249 25 23.6 9.2 23 430 7010 245 42 38.1 17.7 | 257 25 24.4 5.5 24 413 7315 235 40 32.8 22.9 | 241 22 19.1 10.7 25 400 7560 240 36 31.2 18.0 | 252 18 17.5 5.7 26 397 7620 240 36 31.2 18.0 | 252 18 17.5 5.7 27 380 7925 245 40 36.3 16.9 | 258 23 22.6 4.6 28 349 8534 240 38 32.9 19.0 | 251 20 19.2 6.7 29 320 9144 240 35 30.3 17.5 | 253 17 16.6 5.2 30 307 9449 245 36 32.6 15.2 | 261 19 19.0 2.9 31 300 9610 245 36 32.6 15.2 | 261 19 19.0 2.9 32 294 9754 245 37 33.5 15.6 | 260 20 19.9 3.3 33 281 10058 250 35 32.9 12.0 | 271 19 19.2 -0.3 34 268 10363 245 39 35.3 16.5 | 259 22 21.7 4.2 35 256 10668 240 35 30.3 17.5 | 253 17 16.6 5.2 36 250 10840 240 34 29.4 17.0 | 253 16 15.8 4.7 37 234 11278 240 33 28.6 16.5 | 254 15 14.9 4.2 38 223 11582 240 36 31.2 18.0 | 252 18 17.5 5.7 39 213 11887 245 39 35.3 16.5 | 259 22 21.7 4.2 40 203 12192 240 42 36.4 21.0 | 249 24 22.7 8.7 41 200 12280 235 41 33.6 23.5 | 241 23 19.9 11.2 42 193 12497 235 40 32.8 22.9 | 241 22 19.1 10.7 43 184 12802 235 44 36.0 25.2 | 240 26 22.4 12.9 44 175 13106 245 45 40.8 19.0 | 256 28 27.1 6.7 45 172 13219 245 48 43.5 20.3 | 255 31 29.8 8.0 46 167 13411 245 46 41.7 19.4 | 256 29 28.0 7.2 47 159 13716 250 51 47.9 17.4 | 261 35 34.3 5.2 48 151 14021 255 43 41.5 11.1 | 272 28 27.9 -1.2 49 150 14070 250 46 43.2 15.7 | 263 30 29.6 3.4 50 144 14326 255 46 44.4 11.9 | 271 31 30.8 -0.4 51 137 14630 260 43 42.3 7.5 | 280 29 28.7 -4.8 52 125 15240 240 20 17.3 10.0 | 302 4 3.6 -2.3 53 113 15850 285 32 30.9 -8.3 | 320 27 17.2 -20.6 54 108 16154 285 32 30.9 -8.3 | 320 27 17.2 -20.6 55 103 16459 250 17 16.0 5.8 | 340 7 2.3 -6.5 56 100 16620 245 28 25.4 11.8 | 272 12 11.7 -0.5 57 97 16764 235 26 21.3 14.9 | 251 8 7.6 2.6 Wind Parameters Mean winds (0-6000m): 198.1 at 24.5 knts Storm direction: 228.1 at 18.4 knts Storm rel Dir Shear (0-3000m): 80.5 deg Energy-Hel index: -179.07 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 ------------------------------------------------------------------------------- 500 120 12 76 25| | | 1000 120 14 79 27| | | 1500 123 15 81 27| | | 2000 128 15 83 26| | | 2500 137 15 87 24| | | 3000 146 15 91 22| | | 4000 165 19 107 19| | | 5000 184 22 128 16| | | 6000 198 25 151 13| | | Wrote GIF file: /home/apache/climate/data/raob//KBIS/skewt/KBIS.skewt.20250807.19.gif