UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 27 APR 25 Station: X4172 WMO ident: 34172 Latitude: 51.57 Longitude: 46.03 ------------------------------------------------------------------------------- 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 47 SFC 986 162 6.0 2.6 79 3.4 4.4 320 9 280.3 281.1 278.2 293.2 4.68 2 925 678 1.2 -0.1 91 1.3 0.6 360 15 280.5 281.2 277.6 291.9 4.10 3 912 792 3.2 2.1 92 1.1 2.7 347 15 283.7 284.6 280.2 297.4 4.88 4 850 1360 1.8 0.6 92 1.2 1.3 280 15 288.0 288.9 282.0 301.5 4.70 5 795 1899 1.2 -0.6 88 1.8 0.4 266 19 293.0 293.8 284.0 306.4 4.60 6 700 2913 -4.7 -6.2 89 1.5 -5.3 240 27 297.3 297.9 284.4 307.6 3.43 7 594 4186 -13.1 -14.5 89 1.4 -13.5 233 31 301.8 302.2 284.7 308.4 2.09 8 568 4526 -15.5 -19.8 70 4.3 -16.6 231 33 302.9 303.1 284.3 307.4 1.40 9 500 5480 -20.9 -24.6 72 3.7 -21.7 225 36 307.6 307.8 285.7 311.0 1.04 10 482 5749 -22.9 -27.4 67 4.5 -23.7 225 38 308.3 308.5 285.7 311.1 0.84 11 400 7080 -34.3 -39.1 62 4.8 -34.7 225 50 310.4 310.5 285.9 311.6 0.32 12 344 8121 -42.5 -46.5 65 4.0 -42.7 222 51 313.0 313.0 286.6 313.6 0.17 13 300 9030 -51.5 -56.5 55 5.0 -51.6 220 52 312.8 312.8 286.4 313.0 0.06 14 268 9747 -58.5 -63.5 52 5.0 -58.6 223 52 312.8 312.8 286.4 312.9 0.03 15 255 10057 -60.1 -64.9 53 4.8 -60.2 225 52 314.9 314.9 287.1 315.0 0.02 16 250 10180 -60.1 -64.9 53 4.8 -60.2 225 50 316.7 316.7 287.7 316.8 0.02 17 247 10256 -59.3 -64.3 52 5.0 -59.4 225 50 319.0 319.0 288.5 319.1 0.03 18 224 10878 -54.1 -59.1 54 5.0 -54.2 227 46 336.0 336.0 293.4 336.3 0.06 19 200 11610 -52.3 -58.3 48 6.0 -52.5 230 42 349.9 350.0 296.7 350.3 0.07 20 163 12938 -48.7 -56.7 39 8.0 -49.1 234 36 377.1 377.1 301.9 377.6 0.11 21 150 13480 -50.5 -59.5 34 9.0 -50.9 235 33 383.1 383.1 302.8 383.4 0.08 22 100 16120 -53.3 -67.3 17 14.0 -53.8 230 31 424.7 424.8 308.3 425.0 0.04 23 89 16863 -55.7 -69.7 16 14.0 -56.2 233 27 434.3 434.4 309.3 434.5 0.04 24 70 18390 -54.9 -69.9 14 15.0 -55.6 240 19 466.9 466.9 312.4 467.2 0.04 25 55 19920 -58.5 -73.5 13 15.0 -59.0 251 19 492.0 492.0 314.4 492.2 0.03 26 50 20520 -58.1 -74.1 11 16.0 -58.7 255 19 506.6 506.6 315.4 506.8 0.03 27 45 21186 -56.3 -72.3 12 16.0 -57.2 247 17 526.4 526.4 316.7 526.7 0.05 28 37 22418 -60.3 -76.3 11 16.0 -61.0 231 12 546.5 546.5 317.9 546.7 0.03 29 30 23740 -55.5 -71.5 12 16.0 -56.8 215 7 593.3 593.4 320.3 593.9 0.08 30 21 26009 -55.9 -71.9 12 16.0 -57.6 228 5 655.9 655.9 322.9 656.8 0.11 31 20 26320 -54.7 -70.7 12 16.0 -56.7 230 5 668.7 668.8 323.4 669.9 0.14 32 16 27762 -50.5 -67.5 12 17.0 -53.9 726.5 726.6 325.3 729.0 0.27 TRP 255 10057 -60.1 -64.9 53 4.8 -60.2 225 52 314.9 314.9 287.1 315.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5433.00 m Freezing level: 775.68 mb = 2105.49 m = 6907.68 ft Wetbulb zero: 788.79 mb = 1961.75 m = 6436.10 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 84.98 % Est. max temperature: 14.93 C = 58.88 F Sfc-Lift cond lev (LCL): 935.81 mb = 584.13 m = 1916.43 ft T: 2.07 C 700-500 lapse rate: 6.31 C/km ThetaE index: 1.26 C Layer 925.0- 912.0 mb Conv cond level (CCL): 925.60 mb = 672.80 m = 2207.32 ft Mean mixing ratio: 4.53 g/kg Conv temperature: 6.25 C = 43.26 F Cap Strength: 9.59 C Lifted Index: 12.07 C Risk: None Lifted Index @300 mb: 13.11 C Lifted Index @700 mb: 8.11 C Showalter Index: 7.03 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 21.50 C K Index: 21.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 73.20 Risk: None Energy Index: 1.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.63 J/kg Max Up Vert Vel: 7.02 m/s Conv Inhibition (B-): 55684.12 J/kg Cap Strength: 11.77 C Lift Cond Lev (LCL): 908.36 mb = 824.35 m = 2704.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 20 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 ---------------------------------------------------------- 0 986 162 320 9 5.8 -6.9 | 64 15 -13.9 -6.8 1 925 678 360 15 -0.0 -15.0 | 53 25 -19.7 -14.9 2 850 1360 280 15 14.8 -2.6 | 63 6 -4.9 -2.5 3 700 2913 240 27 23.4 13.5 | 195 14 3.7 13.6 4 500 5480 225 36 25.5 25.5 | 193 26 5.7 25.6 5 400 7080 225 50 35.4 35.4 | 204 39 15.6 35.5 6 300 9030 220 52 33.4 39.8 | 199 42 13.7 40.0 7 255 10057 225 52 36.8 36.8 | 205 41 17.1 36.9 8 250 10180 225 50 35.4 35.4 | 204 39 15.6 35.5 9 200 11610 230 42 32.2 27.0 | 205 30 12.5 27.1 10 150 13480 235 33 27.0 18.9 | 201 20 7.3 19.1 11 100 16120 230 31 23.7 19.9 | 191 20 4.0 20.1 12 70 18390 240 19 16.5 9.5 | 161 10 -3.3 9.6 13 50 20520 255 19 18.4 4.9 | 165 5 -1.4 5.1 14 30 23740 215 7 4.0 5.7 | 111 17 -15.7 5.9 15 20 26320 230 5 3.8 3.2 | 102 16 -15.9 3.4 Wind Parameters Mean winds (0-6000m): 240.4 at 26.3 knts Storm direction: 270.4 at 19.7 knts Shear (0-3000m) pos: 1.6 neg: 6.4 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 131.4 deg Storm rel helicity (0-3000m) pos: 9.5 neg: -41.2 tot: -31.7 m^2/s^2 ave: -10.6 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 8.7 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 130.36 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 ------------------------------------------------------------------------------- 500 345 12 56 20| 9.9 0.0 9.9| 0.2 -16.0 -15.8 -31.5 -0.34| 10.2 -3.5 1000 338 13 50 19| 4.9 7.1 12.1| 0.6 -38.8 -38.2 -38.2 -0.31| 12.6 -3.9 1500 318 14 44 14| 3.3 7.6 10.9| 6.8 -38.8 -32.0 -21.3 -0.11| 11.6 -1.3 2000 299 15 40 10| 2.5 7.1 9.6| 8.7 -38.8 -30.1 -15.0 0.00| 10.2 0.0 2500 283 17 41 5| 2.0 6.9 8.9| 9.2 -39.3 -30.1 -12.0 0.00| 9.5 0.0 3000 270 19 98 1| 1.6 6.4 8.1| 9.5 -41.2 -31.7 -10.6 -0.01| 8.7 -0.1 4000 256 21 190 5| 1.2 5.4 6.6| 9.7 -41.8 -32.1 -8.0 -0.01| 7.1 -0.0 5000 247 24 193 10| 1.0 4.7 5.7| 9.7 -46.2 -36.5 -7.3 -0.02| 6.2 -0.1 6000 240 26 193 13| 0.8 4.6 5.4| 31.7 -48.5 -16.7 -2.8 0.02| 5.8 0.1 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250427.00.gif