UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 23 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 153 180 9 SFC 998 170 15.4 7.4 59 8.0 11.0 180 9 288.7 289.9 284.2 307.1 6.48 2 925 813 14.0 4.0 51 10.0 8.7 195 11 293.6 294.6 285.2 309.6 5.51 3 918 877 13.8 3.8 51 10.0 8.5 187 12 294.1 295.0 285.3 310.0 5.47 4 892 1118 11.6 1.6 50 10.0 6.5 156 15 294.2 295.1 284.7 308.3 4.81 5 850 1520 8.8 0.8 57 8.0 4.8 105 21 295.4 296.2 285.1 309.4 4.77 6 764 2386 -0.3 -3.7 78 3.4 -1.8 94 20 294.7 295.4 283.8 306.0 3.80 7 700 3080 -4.3 -8.6 72 4.3 -6.0 85 19 297.7 298.2 284.0 306.4 2.85 8 562 4771 -15.5 -18.6 77 3.1 -16.3 95 15 303.8 304.1 284.9 308.8 1.57 9 500 5640 -22.7 -25.0 81 2.3 -23.2 100 13 305.4 305.5 284.8 308.7 1.00 10 462 6216 -27.1 -29.4 81 2.3 -27.5 116 10 306.9 307.0 285.1 309.3 0.72 11 449 6421 -28.3 -30.5 81 2.2 -28.6 122 9 307.9 308.0 285.4 310.1 0.67 12 400 7240 -34.7 -39.7 60 5.0 -35.1 145 5 309.9 309.9 285.7 311.0 0.30 13 390 7416 -36.5 -42.5 54 6.0 -37.0 146 5 309.8 309.8 285.5 310.6 0.23 14 300 9180 -50.7 -56.7 49 6.0 -50.8 160 5 313.9 313.9 286.8 314.1 0.06 15 296 9268 -51.1 -57.1 49 6.0 -51.2 163 5 314.5 314.5 287.0 314.7 0.06 16 250 10360 -55.9 -62.9 41 7.0 -56.0 205 7 323.0 323.0 289.7 323.1 0.03 17 245 10488 -56.5 -63.5 41 7.0 -56.6 210 7 323.9 323.9 290.0 324.1 0.03 18 200 11790 -51.5 -59.5 38 8.0 -51.8 245 9 351.2 351.2 297.0 351.5 0.06 19 194 11987 -51.5 -59.5 38 8.0 -51.8 249 9 354.3 354.3 297.6 354.6 0.06 20 150 13650 -51.9 -62.9 26 11.0 -52.3 285 11 380.6 380.7 302.4 380.9 0.05 21 145 13869 -52.3 -64.3 22 12.0 -52.7 278 13 383.7 383.7 302.9 383.9 0.05 22 100 16240 -56.9 -71.9 13 15.0 -57.3 205 36 417.8 417.8 307.4 417.9 0.02 TRP 245 10488 -56.5 -63.5 41 7.0 -56.6 210 7 323.9 323.9 290.0 324.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5487.00 m Freezing level: 766.84 mb = 2357.70 m = 7735.15 ft Wetbulb zero: 787.34 mb = 2141.92 m = 7027.21 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 69.40 % Est. max temperature: 22.03 C = 71.66 F Sfc-Lift cond lev (LCL): 885.05 mb = 1183.60 m = 3883.15 ft T: 11.15 C 700-500 lapse rate: 7.19 C/km ThetaE index: 3.45 C Layer 764.0- 700.0 mb Conv cond level (CCL): 789.03 mb = 2124.49 m = 6970.04 ft Mean mixing ratio: 5.80 g/kg Conv temperature: 21.60 C = 70.89 F Cap Strength: 3.04 C Lifted Index: 0.42 C Risk: Showers probable Lifted Index @300 mb: 3.89 C Lifted Index @700 mb: 0.48 C Showalter Index: -0.01 C Risk: Thunderstorms probable Total Totals Index: 55.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.50 C Cross Totals Index: 23.50 C K Index: 28.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 184.60 Risk: None Energy Index: -0.21 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.05 J/kg Max Up Vert Vel: 6.01 m/s Conv Inhibition (B-): 10001.13 J/kg Cap Strength: 3.23 C Lift Cond Lev (LCL): 823.52 mb = 1777.05 m = 5830.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 131 at 12 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 ---------------------------------------------------------- 0 998 170 180 9 0.0 9.0 | 263 9 9.0 1.1 1 925 813 195 11 2.8 10.6 | 257 12 11.9 2.7 2 850 1520 105 21 -20.3 5.4 | 77 12 -11.3 -2.5 3 700 3080 85 19 -18.9 -1.7 | 46 14 -9.9 -9.6 4 500 5640 100 13 -12.8 2.3 | 34 7 -3.8 -5.7 5 400 7240 145 5 -2.9 4.1 | 302 7 6.2 -3.9 6 300 9180 160 5 -1.7 4.7 | 294 8 7.3 -3.2 7 250 10360 205 7 3.0 6.3 | 278 12 12.0 -1.6 8 245 10488 210 7 3.5 6.1 | 279 13 12.5 -1.9 9 200 11790 245 9 8.2 3.8 | 284 18 17.2 -4.1 10 150 13650 285 11 10.6 -2.8 | 299 22 19.6 -10.8 11 100 16240 205 36 15.2 32.6 | 224 35 24.2 24.7 Wind Parameters Mean winds (0-6000m): 101.4 at 16.0 knts Storm direction: 131.4 at 12.0 knts Shear (0-3000m) pos: 0.4 neg: 4.1 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 142.5 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -73.4 tot: -73.4 m^2/s^2 ave: -24.5 10^-3 m/s^2 rel: -0.84 Storm rel vorticity (0-3000m) horiz: 6.5 stream: -5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 43.16 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 ------------------------------------------------------------------------------- 500 187 10 260 10| 2.6 0.0 2.6| 0.0 -2.5 -2.5 -5.0 -0.38| 2.6 -1.0 1000 180 11 250 10| 1.3 5.6 6.9| 0.0 -25.8 -25.8 -25.8 -0.75| 7.7 -5.8 1500 147 14 202 4| 0.9 7.9 8.8| 0.0 -52.7 -52.7 -35.1 -0.82| 10.6 -8.7 2000 128 16 119 4| 0.6 6.1 6.7| 0.0 -60.0 -60.0 -30.0 -0.83| 8.6 -7.1 2500 118 16 88 6| 0.5 4.9 5.4| 0.0 -67.3 -67.3 -26.9 -0.84| 7.3 -6.2 3000 111 17 75 7| 0.4 4.1 4.5| 0.0 -73.4 -73.4 -24.5 -0.84| 6.5 -5.4 4000 104 17 64 8| 0.7 3.1 3.8| 0.0 -74.3 -74.3 -18.6 -0.78| 5.2 -4.1 5000 102 17 58 9| 0.9 2.5 3.3| 0.0 -76.4 -76.4 -15.3 -0.75| 4.5 -3.4 6000 101 16 54 8| 1.2 2.1 3.2| 0.0 -80.5 -80.5 -13.4 -0.73| 4.2 -3.1 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250423.00.gif