UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102023.upa.cvt Date: 2300Z 20 OCT 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 20 OCT 25 Station: BGBW WMO ident: 4270 Latitude: 61.18 Longitude: -45.42 Elevation: 26.00 ------------------------------------------------------------------------------- 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 1018 26 -2.3 -3.0 95 0.7 -2.6 145 1 269.5 270.0 269.6 277.5 3.00 1 998 182 0.6 -1.4 86 2.0 -0.2 158 1 273.9 274.5 273.1 283.3 3.45 2 981 318 0.8 -2.5 79 3.3 -0.5 170 1 275.5 276.0 273.6 284.4 3.24 3 972 391 1.0 -2.0 80 3.0 -0.2 176 2 276.4 277.0 274.4 285.7 3.39 4 911 903 -2.3 -5.7 77 3.4 -3.6 219 2 278.2 278.6 274.5 285.8 2.74 5 904 963 -2.5 -5.4 80 2.9 -3.6 224 2 278.6 279.1 274.8 286.5 2.82 6 885 1129 -2.5 -9.5 59 7.0 -4.8 238 3 280.3 280.6 274.7 286.3 2.10 7 850 1445 -3.9 -9.9 63 6.0 -5.9 265 3 282.1 282.4 275.7 288.2 2.12 8 838 1557 -4.5 -9.5 68 5.0 -6.2 268 4 282.6 283.0 276.1 289.0 2.22 9 832 1614 -3.9 -8.7 69 4.8 -5.5 270 5 283.8 284.2 277.0 290.7 2.38 10 824 1691 -0.3 -15.3 31 15.0 -4.9 272 6 288.4 288.6 278.0 292.6 1.41 11 797 1958 1.0 -7.0 55 8.0 -2.1 280 8 292.5 293.0 281.7 301.0 2.83 12 783 2100 0.4 -7.6 55 8.0 -2.7 284 10 293.4 293.9 282.0 301.6 2.75 13 741 2540 -3.3 -6.4 79 3.1 -4.6 297 14 294.0 294.6 282.8 303.5 3.19 14 707 2910 -5.3 -10.2 68 4.9 -7.1 308 18 295.8 296.2 282.7 303.3 2.49 15 700 2988 -5.9 -10.5 70 4.6 -7.5 310 19 296.0 296.4 282.7 303.4 2.45 16 647 3600 -11.1 -12.3 91 1.2 -11.5 311 22 296.8 297.2 282.9 303.8 2.30 17 630 3805 -11.1 -14.2 78 3.1 -12.1 312 23 299.1 299.4 283.5 305.3 2.02 18 600 4178 -14.1 -15.5 89 1.4 -14.5 312 24 299.8 300.1 283.7 305.7 1.91 19 598 4203 -14.1 -15.4 90 1.3 -14.5 312 25 300.1 300.4 283.8 306.1 1.93 20 532 5087 -17.3 -21.2 72 3.9 -18.3 314 29 306.5 306.7 285.6 310.8 1.32 21 526 5172 -17.9 -21.2 75 3.3 -18.7 314 29 306.7 307.0 285.7 311.1 1.34 22 500 5550 -20.5 -28.5 49 8.0 -22.0 315 31 308.0 308.2 285.5 310.5 0.73 23 479 5864 -22.9 -33.9 36 11.0 -24.5 317 34 308.9 309.0 285.5 310.5 0.45 24 444 6414 -25.5 -49.5 9 24.0 -27.6 320 39 312.4 312.4 286.3 312.7 0.09 25 438 6512 -25.5 -47.5 11 22.0 -27.6 321 40 313.6 313.6 286.8 314.0 0.12 26 400 7160 -30.9 -47.9 17 17.0 -32.3 325 46 314.8 314.9 287.2 315.3 0.13 27 387 7395 -32.1 -49.1 17 17.0 -33.3 325 50 316.2 316.3 287.6 316.7 0.11 28 363 7845 -35.5 -38.4 75 2.9 -35.8 325 57 317.5 317.6 288.4 318.9 0.38 29 351 8080 -37.1 -45.1 43 8.0 -37.7 325 61 318.5 318.5 288.5 319.2 0.19 30 324 8630 -41.3 -51.3 33 10.0 -41.8 325 70 320.0 320.1 288.9 320.4 0.10 31 300 9150 -45.3 -48.6 69 3.3 -45.4 325 79 321.5 321.5 289.4 322.1 0.15 32 295 9262 -46.5 -48.8 77 2.3 -46.6 325 80 321.4 321.4 289.3 321.9 0.15 33 283 9535 -48.9 -52.7 64 3.8 -49.0 327 82 321.8 321.8 289.4 322.1 0.10 34 250 10340 -52.7 -63.7 25 11.0 -52.9 330 89 327.7 327.7 291.1 327.8 0.03 35 238 10656 -52.1 -64.1 22 12.0 -52.4 330 95 333.3 333.3 292.6 333.4 0.03 36 233 10792 -53.5 -66.5 19 13.0 -53.7 330 97 333.2 333.2 292.6 333.3 0.02 37 217 11248 -53.5 -71.6 9 18.1 -53.8 330 106 340.0 340.0 294.3 340.1 0.01 38 200 11770 -53.5 -77.5 4 24.0 -53.8 340 64 348.0 348.0 296.2 348.1 0.00 39 172 12741 -52.7 -78.7 3 26.0 -53.1 337 58 364.7 364.7 299.6 364.7 0.00 40 167 12931 -52.9 -79.9 2 27.0 -53.3 337 56 367.5 367.5 300.1 367.5 0.00 41 150 13620 -55.1 -83.1 2 28.0 -55.5 335 52 375.1 375.1 301.5 375.2 0.00 42 126 14732 -56.3 -87.3 1 31.0 -56.7 331 46 392.2 392.2 304.1 392.2 0.00 43 110 15586 -60.9 -89.9 1 29.0 -61.2 327 41 399.0 399.0 305.0 399.0 0.00 44 100 16180 -60.5 -89.5 1 29.0 -60.8 325 38 410.8 410.8 306.6 410.8 0.00 45 97 16370 -60.1 -89.1 1 29.0 -60.4 325 38 415.2 415.2 307.2 415.2 0.00 46 77 17793 -65.1 -93.1 1 28.0 -65.3 325 38 433.1 433.1 309.1 433.1 0.00 47 70 18380 -60.9 -89.9 1 29.0 -61.3 325 38 454.1 454.1 311.3 454.1 0.00 48 63 19035 -60.5 -89.5 1 29.0 -60.9 323 34 468.9 468.9 312.5 468.9 0.00 49 50 20460 -64.5 -92.5 1 28.0 -64.8 320 25 491.5 491.5 314.3 491.5 0.00 50 30 23560 -68.7 -95.7 1 27.0 -69.0 310 25 557.4 557.4 318.5 557.4 0.00 51 23 25165 -65.1 -93.1 1 28.0 -65.7 300 35 611.9 611.9 321.2 612.0 0.00 52 20 26010 -68.1 -95.1 1 27.0 -68.6 295 40 627.7 627.7 321.8 627.7 0.00 53 17 26980 -70.7 -96.7 1 26.0 -71.1 295 39 649.2 649.2 322.7 649.3 0.00 54 10 30150 -67.7 -94.7 1 27.0 -68.7 295 36 766.8 766.8 326.4 766.9 0.00 55 6.5 32754 -65.9 -93.9 1 28.0 -67.7 875.0 875.0 328.9 875.1 0.01 TRP 217 11248 -55.7 -67.7 21 12.0 -55.9 330 106 336.6 336.6 293.5 336.7 0.02 WND 217 11248 -53.5 -71.6 9 18.1 -53.8 330 106 340.0 340.0 294.3 340.1 0.01 Sounding variables and indices 1000-500 mb thick: 5383.53 m Freezing level: Surface below freezing Freezing level: 1002.14 mb = 149.91 m = 491.82 ft Freezing level: 953.52 mb = 546.29 m = 1792.27 ft Freezing level: 817.77 mb = 1752.35 m = 5749.10 ft Freezing level: 778.46 mb = 2147.76 m = 7046.38 ft Wetbulb zero: Below ground Precipitable water: 0.51 inches Sfc-500 mean rel hum: 73.32 % Est. max temperature: 9.42 C = 48.96 F Sfc-Lift cond lev (LCL): 1006.81 mb = 113.02 m = 370.80 ft T: -0.68 C 700-500 lapse rate: 5.70 C/km ThetaE index: 0.21 C Layer 885.0- 850.0 mb Conv cond level (CCL): 683.13 mb = 3177.61 m = 10425.10 ft Mean mixing ratio: 3.18 g/kg Conv temperature: 24.59 C = 76.27 F Cap Strength: 19.40 C Lifted Index: 20.03 C Risk: None Lifted Index @300 mb: 26.34 C Lifted Index @700 mb: 13.59 C Showalter Index: 17.10 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 10.60 C K Index: 2.10 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 4.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.48 J/kg Max Up Vert Vel: 7.28 m/s Conv Inhibition (B-): 58162.64 J/kg Cap Strength: 19.87 C Lift Cond Lev (LCL): 926.48 mb = 769.64 m = 2525.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 at 13 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 1018 26 145 1 -0.6 0.8 | 160 14 -4.6 12.7 1 850 1445 265 3 3.0 0.3 | 175 12 -1.1 12.2 2 700 2988 310 19 14.6 -12.2 | 272 11 10.5 -0.3 3 500 5550 315 31 21.9 -21.9 | 299 20 17.9 -10.0 4 400 7160 325 46 26.4 -37.7 | 319 34 22.3 -25.8 5 300 9150 325 79 45.3 -64.7 | 322 67 41.3 -52.8 6 250 10340 330 89 44.5 -77.1 | 328 77 40.5 -65.2 7 217 11248 330 106 53.0 -91.8 | 329 94 49.0 -79.9 8 200 11770 340 64 21.9 -60.1 | 340 51 17.8 -48.2 9 150 13620 335 52 22.0 -47.1 | 333 40 17.9 -35.2 10 100 16180 325 38 21.8 -31.1 | 317 26 17.7 -19.2 11 70 18380 325 38 21.8 -31.1 | 317 26 17.7 -19.2 12 50 20460 320 25 16.1 -19.2 | 301 14 12.0 -7.3 13 30 23560 310 25 19.2 -16.1 | 285 16 15.1 -4.2 14 20 26010 295 40 36.3 -16.9 | 279 33 32.2 -5.0 15 10 30150 295 36 32.6 -15.2 | 277 29 28.6 -3.3 Wind Parameters Mean winds (0-6000m): 311.2 at 16.8 knts Storm direction: 341.2 at 12.6 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 112.4 deg Storm rel helicity (0-3000m) pos: 66.0 neg: 0.0 tot: 66.0 m^2/s^2 ave: 22.0 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 3.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.84 Bulk Shear: 31.64 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 ------------------------------------------------------------------------------- 500 309 1 165 11| 1.2 0.0 1.2| 3.8 0.0 3.8 7.6 0.84| 1.3 1.1 1000 241 2 169 13| 1.3 0.0 1.3| 9.6 0.0 9.6 9.6 0.89| 1.5 1.3 1500 248 2 170 13| 1.5 0.0 1.5| 15.7 0.0 15.7 10.5 0.81| 1.9 1.5 2000 266 3 176 12| 2.5 0.0 2.5| 32.2 0.0 32.2 16.1 0.90| 2.8 2.5 2500 284 5 183 11| 3.1 0.0 3.1| 48.8 0.0 48.8 19.5 0.93| 3.5 3.2 3000 299 7 192 9| 3.5 0.0 3.5| 66.0 0.0 66.0 22.0 0.95| 4.0 3.8 4000 306 10 216 7| 3.2 0.0 3.2| 75.9 0.0 75.9 19.0 0.89| 3.6 3.2 5000 309 14 243 7| 3.0 0.0 3.0| 86.8 0.0 86.8 17.4 0.84| 3.4 2.8 6000 311 17 264 9| 3.1 0.0 3.1|109.2 0.0 109.2 18.2 0.79| 3.4 2.7 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20251020.23.gif