UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for UIAA... Searching the city database file for: UIAA ... Date:0000Z 18 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 127 SFC 934 685 -4.7 -12.7 54 8.0 -7.0 0 0 273.7 274.0 269.9 278.1 1.54 2 925 746 -4.5 -13.5 49 9.0 -7.0 335 1 274.7 275.0 270.4 278.8 1.46 3 911 866 -4.1 -13.1 50 9.0 -6.7 342 2 276.3 276.6 271.5 280.7 1.53 4 875 1187 0.8 -12.2 37 13.0 -3.5 1 4 284.6 284.9 276.5 289.7 1.71 5 850 1419 0.0 -14.0 34 14.0 -4.4 15 5 286.1 286.4 277.0 290.7 1.52 6 814 1764 -2.5 -19.5 26 17.0 -7.1 12 6 287.1 287.2 276.7 290.1 1.00 7 751 2397 -7.1 -20.1 35 13.0 -10.4 5 9 288.8 288.9 277.6 291.9 1.03 8 728 2640 -6.3 -18.3 38 12.0 -9.6 3 10 292.2 292.4 279.6 296.0 1.24 9 700 2946 -7.7 -22.7 29 15.0 -11.3 360 11 294.0 294.1 279.9 296.7 0.88 10 578 4409 -16.9 -28.9 35 12.0 -19.1 349 17 299.7 299.9 282.1 301.7 0.61 11 500 5480 -25.1 -38.1 29 13.0 -26.6 340 21 302.4 302.5 282.8 303.4 0.29 12 400 7060 -37.3 -48.3 31 11.0 -37.9 340 23 306.5 306.5 284.2 306.9 0.12 13 300 8980 -52.3 -62.3 29 10.0 -52.5 340 23 311.6 311.6 285.9 311.7 0.03 14 296 9067 -53.3 -63.3 29 10.0 -53.5 339 23 311.4 311.4 285.9 311.5 0.03 15 252 10099 -58.3 -68.3 27 10.0 -58.4 325 23 318.7 318.7 288.3 318.7 0.02 16 250 10150 -58.1 -68.1 27 10.0 -58.2 325 23 319.7 319.7 288.6 319.8 0.02 17 230 10679 -52.3 -63.3 25 11.0 -52.5 316 20 336.2 336.2 293.4 336.4 0.03 18 223 10878 -51.5 -62.5 26 11.0 -51.8 312 19 340.4 340.5 294.4 340.6 0.04 19 200 11580 -52.1 -64.1 22 12.0 -52.4 300 15 350.3 350.3 296.7 350.4 0.03 20 160 13030 -50.3 -67.3 12 17.0 -50.8 281 20 376.4 376.4 301.7 376.5 0.03 21 150 13450 -51.5 -69.5 10 18.0 -52.0 275 21 381.3 381.3 302.5 381.4 0.02 22 100 16060 -53.5 -76.5 4 23.0 -54.1 280 21 424.4 424.4 308.2 424.4 0.01 23 93 16528 -52.5 -75.5 5 23.0 -53.2 278 19 435.2 435.2 309.4 435.3 0.01 24 79 17569 -57.5 -80.5 4 23.0 -58.0 273 13 445.7 445.7 310.4 445.7 0.01 25 72 18160 -54.1 -78.1 4 24.0 -54.9 271 10 464.9 464.9 312.2 465.0 0.01 26 70 18340 -55.1 -79.1 4 24.0 -55.8 270 9 466.5 466.5 312.4 466.6 0.01 27 52 20240 -53.9 -77.9 4 24.0 -55.0 252 13 510.7 510.7 315.7 510.8 0.02 28 50 20490 -56.3 -79.3 4 23.0 -57.2 250 13 510.8 510.8 315.7 510.9 0.01 29 47 20882 -57.5 -80.5 4 23.0 -58.3 517.0 517.1 316.1 517.1 0.01 30 31 23535 -53.5 -77.5 4 24.0 -55.2 593.2 593.2 320.3 593.4 0.03 TRP 252 10099 -58.3 -68.3 27 10.0 -58.4 325 23 318.7 318.7 288.3 318.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5353.00 m Freezing level: Surface below freezing Freezing level: 880.88 mb = 1134.39 m = 3721.70 ft Freezing level: 850.00 mb = 1419.00 m = 4655.46 ft Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 33.38 % Est. max temperature: 9.14 C = 48.46 F Sfc-Lift cond lev (LCL): 822.66 mb = 1679.49 m = 5510.06 ft T: -1.89 C 700-500 lapse rate: 6.87 C/km ThetaE index: 0.56 C Layer 814.0- 751.0 mb Conv cond level (CCL): 559.11 mb = 4654.71 m = 15271.17 ft Mean mixing ratio: 1.55 g/kg Conv temperature: 21.43 C = 70.58 F Cap Strength: 13.14 C Lifted Index: 14.14 C Risk: None Lifted Index @300 mb: 18.17 C Lifted Index @700 mb: 10.62 C Showalter Index: 10.62 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 25.10 C Cross Totals Index: 11.10 C K Index: -3.90 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.48 J/kg Max Up Vert Vel: 10.34 m/s Conv Inhibition (B-): 44877.77 J/kg Cap Strength: 14.06 C Lift Cond Lev (LCL): 732.97 mb = 2586.97 m = 8487.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 18 at 10 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 ---------------------------------------------------------- 0 934 685 0 0 -0.0 -0.0 | 198 10 3.1 9.8 1 925 746 335 1 0.4 -0.9 | 202 10 3.5 8.9 2 850 1419 15 5 -1.3 -4.8 | 200 5 1.8 4.9 3 700 2946 360 11 -0.0 -11.0 | 292 3 3.1 -1.2 4 500 5480 340 21 7.2 -19.7 | 314 14 10.3 -10.0 5 400 7060 340 23 7.9 -21.6 | 317 16 11.0 -11.8 6 300 8980 340 23 7.9 -21.6 | 317 16 11.0 -11.8 7 252 10099 325 23 13.2 -18.8 | 299 19 16.3 -9.1 8 250 10150 325 23 13.2 -18.8 | 299 19 16.3 -9.1 9 200 11580 300 15 13.0 -7.5 | 262 16 16.1 2.3 10 150 13450 275 21 20.9 -1.8 | 252 25 24.0 7.9 11 100 16060 280 21 20.7 -3.6 | 256 25 23.8 6.1 12 70 18340 270 9 9.0 -0.0 | 231 16 12.1 9.8 13 50 20490 250 13 12.2 4.4 | 227 21 15.3 14.2 Wind Parameters Mean winds (0-6000m): 347.6 at 13.7 knts Storm direction: 17.6 at 10.2 knts Shear (0-3000m) pos: 1.0 neg: 1.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 114.6 deg Storm rel helicity (0-3000m) pos: 8.9 neg: -0.9 tot: 8.0 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.98 Bulk Shear: 17.95 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 ------------------------------------------------------------------------------- 500 355 2 203 8| 3.7 0.0 3.7| 3.5 -0.0 3.5 6.9 0.37| 3.9 1.4 1000 10 3 201 7| 3.1 0.0 3.1| 3.9 -0.9 3.0 3.0 0.18| 3.4 0.6 1500 10 5 204 6| 2.1 0.7 2.8| 5.1 -0.9 4.2 2.8 0.29| 3.0 0.9 2000 7 6 210 5| 1.6 1.1 2.6| 6.4 -0.9 5.6 2.8 0.42| 2.8 1.2 2500 4 7 220 4| 1.2 1.3 2.5| 7.8 -0.9 6.9 2.8 0.47| 2.7 1.3 3000 2 8 234 3| 1.0 1.4 2.5| 8.9 -0.9 8.0 2.7 0.46| 2.6 1.2 4000 356 10 270 4| 0.8 1.6 2.4| 9.9 -0.9 9.0 2.2 0.38| 2.5 1.0 5000 351 12 291 5| 0.6 1.7 2.3| 10.3 -2.3 8.0 1.6 0.30| 2.4 0.7 6000 348 14 301 7| 0.5 1.5 2.0| 12.4 -2.3 10.1 1.7 0.31| 2.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//UIAA/skewt/UIAA.skewt.20250418.00.gif