UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for UIAA... Searching the city database file for: UIAA ... Date:0000Z 17 APR 25 Station: UIAA WMO ident: 30758 Latitude: 52.02 Longitude: 113.33 Elevation: 685.00 ------------------------------------------------------------------------------- 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 87 SFC 930 685 0.4 -3.0 78 3.4 -1.0 0 0 279.3 279.8 275.9 288.5 3.29 2 925 718 0.4 -5.6 64 6.0 -1.9 360 5 279.7 280.2 275.3 287.4 2.72 3 850 1388 -5.7 -9.3 76 3.6 -6.9 360 31 280.2 280.6 274.8 286.5 2.22 4 837 1509 -6.5 -9.4 80 2.9 -7.4 0 31 280.6 281.0 275.0 287.0 2.24 5 731 2555 -12.1 -14.7 81 2.6 -12.8 4 33 285.5 285.8 276.9 290.5 1.67 6 700 2885 -14.7 -18.1 75 3.4 -15.5 5 33 286.2 286.4 276.7 290.1 1.31 7 568 4433 -25.5 -29.8 67 4.3 -26.1 2 29 291.1 291.2 278.1 292.9 0.57 8 532 4903 -30.7 -37.7 50 7.0 -31.3 1 28 290.4 290.5 277.3 291.3 0.28 9 500 5340 -34.3 -41.3 49 7.0 -34.8 360 27 291.2 291.3 277.6 291.9 0.21 10 420 6538 -43.7 -49.7 51 6.0 -43.9 355 29 294.1 294.1 278.8 294.4 0.10 11 417 6587 -40.9 -47.9 47 7.0 -41.2 354 29 298.3 298.3 280.7 298.7 0.12 12 411 6685 -41.5 -48.5 47 7.0 -41.8 351 30 298.7 298.7 281.0 299.1 0.11 13 400 6870 -40.7 -47.7 47 7.0 -41.1 345 31 302.1 302.1 282.4 302.6 0.13 14 346 7852 -41.1 -54.1 23 13.0 -41.6 337 25 314.3 314.4 286.9 314.6 0.07 15 303 8744 -44.9 -62.9 12 18.0 -45.4 331 19 321.2 321.2 289.1 321.3 0.03 16 300 8810 -45.3 -63.3 11 18.0 -45.8 330 19 321.5 321.5 289.2 321.6 0.03 17 272 9465 -46.3 -65.3 10 19.0 -46.8 330 14 329.2 329.2 291.5 329.3 0.02 18 265 9639 -43.5 -63.5 9 20.0 -44.2 330 12 335.8 335.8 293.3 335.9 0.03 19 250 10030 -46.3 -67.3 7 21.0 -46.9 330 9 337.2 337.2 293.6 337.3 0.02 20 240 10300 -48.3 -69.3 7 21.0 -48.8 318 12 338.2 338.2 293.9 338.2 0.01 21 200 11500 -49.1 -71.1 6 22.0 -49.6 265 25 355.0 355.0 297.7 355.1 0.01 22 188 11904 -49.5 -71.5 6 22.0 -50.0 265 24 360.7 360.7 298.8 360.8 0.01 23 181 12153 -46.3 -69.3 6 23.0 -47.0 265 23 369.9 369.9 300.5 370.0 0.02 24 150 13390 -48.5 -72.5 5 24.0 -49.2 265 19 386.5 386.5 303.3 386.6 0.01 25 100 16040 -53.1 -77.1 4 24.0 -53.8 285 13 425.1 425.1 308.3 425.2 0.01 26 70 18330 -54.1 -78.1 4 24.0 -54.9 175 7 468.6 468.7 312.5 468.7 0.01 27 64 18906 -53.3 -77.3 4 24.0 -54.2 199 8 482.6 482.6 313.7 482.7 0.02 28 55 19873 -57.3 -80.3 4 23.0 -58.0 240 8 494.8 494.8 314.6 494.8 0.01 29 50 20480 -54.1 -78.1 4 24.0 -55.2 265 9 516.0 516.0 316.1 516.1 0.02 30 47 20878 -52.9 -76.9 4 24.0 -54.2 260 9 528.1 528.1 316.8 528.2 0.02 31 33 23139 -56.5 -79.5 4 23.0 -57.7 228 6 574.7 574.7 319.4 574.9 0.02 32 30 23750 -51.5 -76.5 3 25.0 -53.7 220 5 604.2 604.3 320.8 604.5 0.04 33 29 23970 -51.1 -76.1 4 25.0 -53.4 611.2 611.2 321.1 611.5 0.04 34 25 24926 -55.3 -79.3 4 24.0 -57.1 625.7 625.7 321.7 625.9 0.03 35 23 25461 -53.5 -77.5 4 24.0 -55.7 646.1 646.1 322.6 646.4 0.04 TRP 420 6538 -43.7 -49.7 51 6.0 -43.9 355 29 294.1 294.1 278.8 294.4 0.10 WND Sounding variables and indices 1000-500 mb thick: 5253.00 m Freezing level: 920.08 mb = 761.93 m = 2499.75 ft Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 70.22 % Est. max temperature: 4.19 C = 39.54 F Sfc-Lift cond lev (LCL): 881.92 mb = 1095.89 m = 3595.41 ft T: -3.04 C 700-500 lapse rate: 7.98 C/km ThetaE index: 1.96 C Layer 925.0- 837.0 mb Conv cond level (CCL): 786.07 mb = 1993.83 m = 6541.36 ft Mean mixing ratio: 2.44 g/kg Conv temperature: 3.91 C = 39.04 F Cap Strength: 4.95 C Lifted Index: 4.23 C Risk: None Lifted Index @300 mb: 24.52 C Lifted Index @700 mb: 2.98 C Showalter Index: 4.59 C Risk: None Total Totals Index: 53.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.60 C Cross Totals Index: 25.00 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 181.00 Risk: None Energy Index: 1.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.89 J/kg Max Up Vert Vel: 2.40 m/s Conv Inhibition (B-): 47186.75 J/kg Cap Strength: 4.94 C Lift Cond Lev (LCL): 819.86 mb = 1668.53 m = 5474.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 31 at 21 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 ---------------------------------------------------------- 0 930 685 0 0 -0.0 -0.0 | 211 21 11.1 18.4 1 925 718 360 5 -0.0 -5.0 | 220 17 11.1 13.4 2 850 1388 360 31 -0.0 -31.0 | 319 17 11.1 -12.6 3 700 2885 5 33 -2.9 -32.9 | 330 17 8.2 -14.5 4 500 5340 360 27 -0.0 -27.0 | 308 14 11.1 -8.6 5 420 6538 355 29 2.5 -28.9 | 308 17 13.6 -10.5 6 400 6870 345 31 8.0 -29.9 | 301 22 19.1 -11.6 7 300 8810 330 19 9.5 -16.5 | 265 21 20.6 1.9 8 250 10030 330 9 4.5 -7.8 | 236 19 15.6 10.6 9 200 11500 265 25 24.9 2.2 | 240 41 36.0 20.5 10 150 13390 265 19 18.9 1.7 | 236 36 30.0 20.0 11 100 16040 285 13 12.6 -3.4 | 238 28 23.7 15.0 12 70 18330 175 7 -0.6 7.0 | 202 27 10.5 25.3 13 50 20480 265 9 9.0 0.8 | 226 28 20.1 19.1 14 30 23750 220 5 3.2 3.8 | 213 26 14.3 22.2 Wind Parameters Mean winds (0-6000m): 1.1 at 28.6 knts Storm direction: 31.1 at 21.5 knts Shear (0-3000m) pos: 1.6 neg: 3.8 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 112.6 deg Storm rel helicity (0-3000m) pos: 106.2 neg: -8.1 tot: 98.1 m^2/s^2 ave: 32.7 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 31.92 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 0 13 245 12| 0.0 23.8 23.8| 67.9 0.0 67.9 135.8 0.82| 23.9 19.6 1000 0 21 284 11| 4.3 11.9 16.2| 94.0 0.0 94.0 94.0 0.82| 16.3 13.4 1500 1 25 300 12| 3.1 7.9 11.0| 99.0 0.0 99.0 66.0 0.82| 11.3 9.3 2000 2 27 309 13| 2.5 5.9 8.5|104.1 0.0 104.1 52.1 0.83| 8.8 7.3 2500 2 28 314 14| 1.9 4.8 6.7|106.2 -3.1 103.1 41.2 0.79| 7.3 5.8 3000 3 28 316 14| 1.6 3.8 5.4|106.2 -8.1 98.1 32.7 0.73| 6.3 4.6 4000 3 29 317 14| 1.2 2.5 3.7|106.2 -17.9 88.3 22.1 0.62| 5.1 3.1 5000 2 29 316 14| 1.0 1.9 2.9|106.3 -24.1 82.1 16.4 0.54| 4.3 2.3 6000 1 29 314 15| 0.8 1.9 2.7|106.3 -28.9 77.3 12.9 0.47| 4.0 1.9 Wrote GIF file: /home/apache/climate/data/raob//UIAA/skewt/UIAA.skewt.20250417.00.gif