UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 21 OCT 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 125 360 1 SFC 995 167 8.4 7.1 92 1.3 7.7 360 1 282.0 283.0 281.1 299.5 6.36 2 925 766 4.2 2.8 91 1.4 3.5 150 7 283.6 284.5 280.3 297.7 5.06 3 850 1446 0.0 -2.2 85 2.2 -0.9 190 11 286.1 286.8 280.0 297.1 3.82 4 781 2117 -5.1 -6.8 88 1.7 -5.7 188 18 287.7 288.2 279.7 296.2 2.94 5 776 2167 -6.3 -8.1 87 1.8 -7.0 188 19 286.9 287.4 279.0 294.7 2.67 6 700 2969 -8.9 -24.9 26 16.0 -12.5 185 27 292.6 292.8 279.0 294.9 0.72 7 600 4149 -14.3 -41.3 8 27.0 -17.9 187 38 299.6 299.6 281.4 300.2 0.17 8 518 5249 -20.3 -44.3 10 24.0 -22.9 189 49 305.2 305.2 283.7 305.7 0.14 9 500 5510 -22.5 -39.5 20 17.0 -24.6 190 52 305.6 305.7 284.0 306.5 0.25 10 420 6768 -32.5 -36.4 68 3.9 -32.9 182 68 308.4 308.5 285.2 309.8 0.40 11 415 6852 -33.5 -37.3 69 3.8 -33.9 182 70 308.2 308.3 285.1 309.5 0.37 12 400 7110 -35.7 -39.4 69 3.7 -36.0 180 73 308.6 308.6 285.2 309.7 0.31 13 395 7197 -36.6 -40.4 68 3.8 -37.0 180 73 308.5 308.5 285.1 309.5 0.29 14 328 8444 -50.5 -55.0 59 4.5 -50.6 183 68 306.3 306.3 284.0 306.5 0.07 15 300 9020 -54.1 -58.6 58 4.5 -54.2 185 66 309.1 309.1 285.1 309.3 0.05 16 250 10180 -59.3 -63.5 58 4.2 -59.3 180 56 317.9 317.9 288.1 318.0 0.03 17 246 10280 -59.9 -64.0 59 4.1 -60.0 180 56 318.5 318.5 288.3 318.6 0.03 18 213 11194 -51.1 -55.5 59 4.4 -51.2 190 36 345.6 345.6 295.7 346.0 0.10 19 200 11600 -52.7 -57.7 55 5.0 -52.9 195 27 349.3 349.3 296.5 349.7 0.08 20 162 12945 -57.7 -64.7 40 7.0 -57.9 213 24 362.6 362.6 299.2 362.8 0.04 21 150 13430 -58.3 -65.3 40 7.0 -58.5 220 23 369.6 369.6 300.5 369.8 0.04 22 133 14188 -56.9 -64.9 36 8.0 -57.1 226 22 385.1 385.1 303.1 385.3 0.05 23 100 15970 -61.9 -71.9 25 10.0 -62.1 240 21 408.1 408.1 306.3 408.2 0.02 24 91 16556 -59.7 -69.7 26 10.0 -60.0 240 21 423.7 423.7 308.2 423.8 0.04 25 70 18190 -61.3 -73.3 19 12.0 -61.6 240 21 453.2 453.2 311.2 453.4 0.03 26 50 20280 -59.9 -72.9 17 13.0 -60.4 260 25 502.3 502.3 315.1 502.6 0.04 27 33 22851 -62.9 -76.9 13 14.0 -63.4 264 28 557.8 557.8 318.5 558.0 0.03 28 30 23440 -60.7 -74.7 14 14.0 -61.4 265 29 579.2 579.2 319.6 579.5 0.05 29 20 25970 -60.3 -75.3 12 15.0 -61.4 240 33 651.6 651.6 322.7 652.2 0.07 30 19 26290 -59.9 -74.9 12 15.0 -61.2 662.5 662.5 323.2 663.1 0.08 TRP 246 10280 -59.9 -64.0 59 4.1 -60.0 180 56 318.5 318.5 288.3 318.6 0.03 WND 395 7197 -36.6 -40.4 68 3.8 -37.0 180 73 308.5 308.5 285.1 309.5 0.29 Sounding variables and indices 1000-500 mb thick: 5385.00 m Freezing level: 850.00 mb = 1446.00 m = 4744.04 ft Wetbulb zero: 865.46 mb = 1301.08 m = 4268.59 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 46.88 % Est. max temperature: 12.70 C = 54.85 F Sfc-Lift cond lev (LCL): 975.47 mb = 329.45 m = 1080.85 ft T: 7.26 C 700-500 lapse rate: 5.35 C/km ThetaE index: 4.76 C Layer 925.0- 700.0 mb Conv cond level (CCL): 914.01 mb = 862.09 m = 2828.34 ft Mean mixing ratio: 5.43 g/kg Conv temperature: 10.41 C = 50.74 F Cap Strength: 7.69 C Lifted Index: 7.66 C Risk: None Lifted Index @300 mb: 7.76 C Lifted Index @700 mb: 1.51 C Showalter Index: 8.53 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.30 C K Index: 4.30 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.30 J/kg Max Up Vert Vel: 6.97 m/s Conv Inhibition (B-): 9.76 J/kg Cap Strength: 7.70 C Lift Cond Lev (LCL): 924.68 mb = 768.75 m = 2522.10 ft Lev Free Conv (LFC): 819.68 mb = 1733.84 m = 5688.38 ft Equ Level (EL): 729.68 mb = 2645.97 m = 8680.89 ft B at Equ Level: 23.00 J/kg Max Parcel Lev (MPL): 679.68 mb = 3194.44 m = 10480.31 ft Wind level data Storm motion: 217 at 22 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 ---------------------------------------------------------- 0 995 167 360 1 -0.0 -1.0 | 36 23 -13.4 -18.7 1 925 766 150 7 -3.5 6.1 | 55 20 -16.9 -11.6 2 850 1446 190 11 1.9 10.8 | 59 13 -11.4 -6.8 3 700 2969 185 27 2.4 26.9 | 130 14 -11.0 9.2 4 500 5510 190 52 9.0 51.2 | 173 34 -4.3 33.5 5 400 7110 180 73 0.0 73.0 | 166 57 -13.4 55.3 6 395 7197 180 73 0.0 73.0 | 166 57 -13.4 55.3 7 300 9020 185 66 5.8 65.7 | 171 49 -7.6 48.1 8 250 10180 180 56 0.0 56.0 | 161 41 -13.4 38.3 9 246 10280 180 56 0.0 56.0 | 161 41 -13.4 38.3 10 200 11600 195 27 7.0 26.1 | 143 11 -6.4 8.4 11 150 13430 220 23 14.8 17.6 | 272 1 1.4 -0.1 12 100 15970 240 21 18.2 10.5 | 326 9 4.8 -7.2 13 70 18190 240 21 18.2 10.5 | 326 9 4.8 -7.2 14 50 20280 260 25 24.6 4.3 | 320 17 11.3 -13.3 15 30 23440 265 29 28.9 2.5 | 314 22 15.5 -15.1 16 20 25970 240 33 28.6 16.5 | 274 15 15.2 -1.2 Wind Parameters Mean winds (0-6000m): 187.1 at 29.5 knts Storm direction: 217.1 at 22.2 knts Shear (0-3000m) pos: 2.5 neg: 2.7 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 100.8 deg Storm rel helicity (0-3000m) pos: 113.2 neg: -0.3 tot: 113.0 m^2/s^2 ave: 37.7 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.25 Bulk Shear: 95.58 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 ------------------------------------------------------------------------------- 500 149 3 46 21| 6.8 0.0 6.8| 46.6 0.0 46.6 93.1 0.77| 9.5 7.3 1000 157 6 51 20| 5.3 0.0 5.3| 61.1 0.0 61.1 61.1 0.60| 8.4 5.1 1500 173 7 54 18| 4.9 0.0 4.9| 67.4 -0.3 67.2 44.8 0.53| 7.5 4.0 2000 180 10 59 16| 3.7 1.4 5.0| 82.6 -0.3 82.3 41.2 0.62| 7.0 4.3 2500 182 12 66 14| 2.9 2.2 5.1| 97.8 -0.3 97.5 39.0 0.67| 6.7 4.5 3000 183 14 75 13| 2.5 2.7 5.1|113.2 -0.3 113.0 37.7 0.69| 6.4 4.4 4000 185 19 97 12| 3.1 2.0 5.1|147.3 -0.3 147.0 36.8 0.69| 6.1 4.2 5000 186 24 121 13| 3.5 1.6 5.1|184.7 -0.3 184.4 36.9 0.67| 5.9 3.9 6000 187 30 140 15| 2.9 2.4 5.3|197.9 -14.4 183.5 30.6 0.55| 6.0 3.3 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251021.00.gif