UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 30 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 137 210 21 SFC 997 162 12.6 -1.4 38 14.0 6.2 210 21 286.0 286.6 279.5 295.9 3.46 2 925 783 6.4 -4.6 45 11.0 1.8 220 35 285.9 286.4 278.7 294.3 2.93 3 896 1043 3.6 -5.4 52 9.0 0.0 229 33 285.6 286.1 278.5 293.8 2.85 4 855 1423 2.0 -3.0 69 5.0 -0.1 243 29 287.8 288.4 280.5 298.1 3.58 5 850 1470 1.6 -3.4 69 5.0 -0.5 245 29 287.8 288.4 280.4 297.9 3.50 6 732 2650 -7.3 -9.7 83 2.4 -8.1 245 29 290.7 291.1 280.5 298.1 2.50 7 700 2995 -9.9 -13.8 73 3.9 -11.1 245 29 291.5 291.9 280.1 297.2 1.88 8 663 3411 -12.7 -16.5 73 3.8 -13.7 247 30 292.9 293.2 280.4 297.8 1.59 9 578 4449 -16.1 -43.1 8 27.0 -19.4 251 33 300.7 300.7 281.8 301.2 0.15 10 552 4793 -18.5 -44.5 8 26.0 -21.4 252 34 301.8 301.8 282.3 302.3 0.13 11 500 5520 -25.3 -48.3 10 23.0 -27.2 255 36 302.2 302.2 282.4 302.5 0.10 12 400 7100 -38.9 -52.9 21 14.0 -39.5 260 44 304.4 304.4 283.2 304.7 0.07 13 387 7326 -41.3 -54.3 23 13.0 -41.8 258 45 304.2 304.2 283.1 304.4 0.06 14 353 7945 -44.9 -57.9 22 13.0 -45.3 253 48 307.4 307.4 284.4 307.6 0.04 15 314 8716 -52.3 -64.3 22 12.0 -52.5 247 52 307.6 307.6 284.4 307.7 0.02 16 300 9010 -53.3 -65.3 22 12.0 -53.5 245 54 310.2 310.2 285.4 310.3 0.02 17 292 9185 -54.3 -66.3 22 12.0 -54.5 245 52 311.2 311.2 285.8 311.3 0.02 18 262 9885 -53.7 -66.7 19 13.0 -53.9 248 51 321.9 321.9 289.3 322.0 0.02 19 250 10190 -50.5 -64.5 18 14.0 -50.8 250 50 331.0 331.0 292.0 331.1 0.03 20 230 10732 -49.3 -65.3 14 16.0 -49.7 250 46 340.8 340.8 294.6 340.9 0.03 21 200 11640 -50.9 -68.9 10 18.0 -51.3 250 38 352.2 352.2 297.1 352.2 0.02 22 150 13510 -52.3 -74.3 5 22.0 -52.8 250 31 380.0 380.0 302.2 380.0 0.01 23 135 14185 -53.9 -76.9 4 23.0 -54.4 250 32 388.7 388.7 303.6 388.8 0.01 24 126 14629 -50.9 -73.9 5 23.0 -51.5 250 32 401.9 401.9 305.5 402.0 0.01 25 100 16120 -52.7 -75.7 5 23.0 -53.4 250 33 425.9 425.9 308.4 426.0 0.01 26 95 16450 -54.5 -77.5 4 23.0 -55.1 249 32 428.7 428.7 308.7 428.7 0.01 27 76 17888 -52.3 -75.3 5 23.0 -53.2 242 25 461.5 461.5 311.9 461.6 0.02 28 70 18420 -53.1 -76.1 4 23.0 -54.0 240 23 470.8 470.8 312.7 470.9 0.02 29 68 18606 -55.1 -78.1 4 23.0 -55.8 240 23 470.4 470.4 312.7 470.5 0.01 30 61 19304 -51.9 -74.9 5 23.0 -53.1 240 21 492.4 492.4 314.4 492.5 0.02 31 53 20207 -54.9 -77.9 4 23.0 -55.8 240 20 505.6 505.6 315.4 505.7 0.02 32 50 20580 -54.1 -77.1 4 23.0 -55.2 240 19 516.0 516.0 316.1 516.1 0.02 33 33 23261 -51.1 -74.1 5 23.0 -53.2 268 6 589.1 589.1 320.1 589.4 0.05 34 30 23880 -51.5 -74.5 5 23.0 -53.7 275 3 604.2 604.3 320.8 604.6 0.05 35 20 26500 -51.3 -74.3 5 23.0 -54.3 105 3 679.1 679.2 323.7 679.8 0.08 36 19 26833 -52.3 -75.3 5 23.0 -55.1 686.1 686.1 324.0 686.7 0.07 37 14 28839 -45.3 -69.3 5 24.0 -51.2 772.4 772.5 326.6 774.7 0.24 TRP 292 9185 -54.3 -66.3 22 12.0 -54.5 245 52 311.2 311.2 285.8 311.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5383.00 m Freezing level: 828.79 mb = 1682.07 m = 5518.52 ft Wetbulb zero: 890.47 mb = 1093.35 m = 3587.05 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 48.62 % Est. max temperature: 14.50 C = 58.09 F Sfc-Lift cond lev (LCL): 805.86 mb = 1890.89 m = 6203.63 ft T: -1.58 C 700-500 lapse rate: 6.10 C/km ThetaE index: 2.10 C Layer 925.0- 855.0 mb Conv cond level (CCL): 737.76 mb = 2587.73 m = 8489.84 ft Mean mixing ratio: 3.11 g/kg Conv temperature: 17.12 C = 62.82 F Cap Strength: 8.02 C Lifted Index: 7.38 C Risk: None Lifted Index @300 mb: 11.02 C Lifted Index @700 mb: 2.62 C Showalter Index: 5.15 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 21.90 C K Index: 19.60 Risk: < 20 % chance of thunderstorms Sweat Index: 140.71 Risk: None Energy Index: 0.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.32 J/kg Max Up Vert Vel: 1.63 m/s Conv Inhibition (B-): 54669.52 J/kg Cap Strength: 8.02 C Lift Cond Lev (LCL): 789.61 mb = 2051.67 m = 6731.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 24 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 ---------------------------------------------------------- 0 997 162 210 21 10.5 18.2 | 147 24 -13.2 20.3 1 925 783 220 35 22.5 26.8 | 178 29 -1.2 28.9 2 850 1470 245 29 26.3 12.3 | 190 15 2.6 14.4 3 700 2995 245 29 26.3 12.3 | 190 15 2.6 14.4 4 500 5520 255 36 34.8 9.3 | 224 16 11.1 11.4 5 400 7100 260 44 43.3 7.6 | 244 22 19.7 9.7 6 300 9010 245 54 48.9 22.8 | 225 35 25.3 24.9 7 292 9185 245 52 47.1 22.0 | 224 34 23.5 24.1 8 250 10190 250 50 47.0 17.1 | 231 30 23.3 19.2 9 200 11640 250 38 35.7 13.0 | 219 19 12.0 15.1 10 150 13510 250 31 29.1 10.6 | 203 14 5.5 12.7 11 100 16120 250 33 31.0 11.3 | 209 15 7.3 13.4 12 70 18420 240 23 19.9 11.5 | 165 14 -3.8 13.6 13 50 20580 240 19 16.5 9.5 | 148 14 -7.2 11.6 14 30 23880 275 3 3.0 -0.3 | 95 21 -20.7 1.8 15 20 26500 105 3 -2.9 0.8 | 96 27 -26.6 2.9 Wind Parameters Mean winds (0-6000m): 245.1 at 31.7 knts Storm direction: 275.1 at 23.8 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 45.5 deg Storm rel helicity (0-3000m) pos: 128.9 neg: 0.0 tot: 128.9 m^2/s^2 ave: 43.0 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 32.78 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 ------------------------------------------------------------------------------- 500 215 27 161 25| 12.2 0.0 12.2| 77.2 0.0 77.2 154.5 0.95| 12.2 11.7 1000 221 30 171 25| 7.8 0.0 7.8|119.2 0.0 119.2 119.2 0.75| 11.9 8.9 1500 227 30 176 23| 5.8 0.0 5.8|126.7 0.0 126.7 84.5 0.64| 10.2 6.5 2000 232 30 179 21| 4.3 0.0 4.3|126.7 0.0 126.7 63.4 0.64| 7.6 4.9 2500 234 30 181 19| 3.5 0.0 3.5|126.7 0.0 126.7 50.7 0.64| 6.1 3.9 3000 236 29 183 19| 3.0 0.0 3.0|128.9 0.0 128.9 43.0 0.65| 5.2 3.3 4000 239 30 186 17| 2.7 0.0 2.7|142.5 0.0 142.5 35.6 0.68| 4.3 3.0 5000 242 31 192 17| 2.5 0.0 2.5|156.7 0.0 156.7 31.3 0.71| 3.8 2.7 6000 245 32 198 16| 2.5 0.0 2.5|174.1 0.0 174.1 29.0 0.72| 3.6 2.6 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250430.12.gif