UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 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 90 330 13 SFC 991 164 7.0 -3.0 49 10.0 2.8 330 13 280.9 281.4 276.5 289.6 3.09 2 925 719 -1.3 -9.3 54 8.0 -4.0 325 13 278.0 278.3 273.3 283.8 2.04 3 850 1384 -8.1 -12.8 69 4.7 -9.4 330 19 277.7 277.9 272.6 282.5 1.68 4 822 1643 -10.3 -13.1 80 2.8 -11.1 314 20 278.0 278.3 272.8 282.9 1.69 5 798 1870 -11.5 -14.5 78 3.0 -12.3 299 22 279.1 279.4 273.2 283.6 1.56 6 770 2146 -8.1 -22.1 31 14.0 -11.3 282 23 285.6 285.8 275.7 288.2 0.84 7 741 2444 -7.7 -33.7 10 26.0 -12.2 263 25 289.2 289.3 276.7 290.2 0.30 8 700 2885 -9.3 -34.3 11 25.0 -13.5 235 27 292.2 292.2 278.2 293.2 0.30 9 695 2940 -9.3 -35.3 10 26.0 -13.6 234 28 292.8 292.8 278.4 293.7 0.27 10 673 3188 -10.7 -37.7 9 27.0 -14.8 232 32 293.9 294.0 278.9 294.7 0.22 11 647 3490 -12.9 -33.9 15 21.0 -16.3 229 37 294.8 294.8 279.5 295.9 0.34 12 552 4689 -17.5 -32.5 26 15.0 -20.0 217 57 303.0 303.1 283.2 304.5 0.45 13 500 5420 -23.7 -35.7 32 12.0 -25.3 210 69 304.1 304.2 283.5 305.4 0.36 14 400 7010 -35.7 -51.7 18 16.0 -36.6 215 77 308.6 308.6 284.9 308.9 0.08 15 394 7115 -37.3 -53.3 17 16.0 -38.1 215 78 307.8 307.9 284.6 308.1 0.07 16 376 7437 -38.3 -53.3 19 15.0 -39.0 213 82 310.7 310.7 285.7 310.9 0.07 17 340 8118 -45.6 -60.6 17 15.0 -46.0 210 91 309.8 309.8 285.3 309.9 0.03 18 323 8457 -49.3 -64.3 16 15.0 -49.6 210 89 309.3 309.3 285.1 309.3 0.02 19 310 8726 -49.1 -64.1 16 15.0 -49.4 210 87 313.2 313.2 286.5 313.3 0.02 20 300 8940 -51.1 -65.1 17 14.0 -51.4 210 85 313.3 313.3 286.5 313.4 0.02 21 297 9005 -51.7 -65.7 17 14.0 -52.0 214 82 313.4 313.4 286.5 313.5 0.02 22 282 9343 -51.1 -65.1 17 14.0 -51.4 234 67 318.9 318.9 288.4 319.0 0.02 23 268 9675 -51.1 -66.1 15 15.0 -51.4 253 52 323.6 323.6 289.9 323.7 0.02 24 263 9798 -49.7 -64.7 16 15.0 -50.0 261 46 327.4 327.4 291.0 327.5 0.02 25 250 10130 -50.1 -66.1 14 16.0 -50.4 280 31 331.6 331.6 292.2 331.7 0.02 26 247 10209 -49.1 -65.1 14 16.0 -49.5 334.2 334.2 292.9 334.3 0.02 TRP WND 340 8118 -45.6 -60.6 17 15.0 -46.0 210 91 309.8 309.8 285.3 309.9 0.03 Sounding variables and indices 1000-500 mb thick: 5330.00 m Freezing level: 935.34 mb = 632.06 m = 2073.65 ft Wetbulb zero: 963.50 mb = 390.58 m = 1281.42 ft Precipitable water: 0.22 inches Sfc-500 mean rel hum: 35.08 % Est. max temperature: 3.91 C = 39.03 F Sfc-Lift cond lev (LCL): 849.64 mb = 1387.24 m = 4551.27 ft T: -8.13 C 700-500 lapse rate: 5.68 C/km ThetaE index: 7.12 C Layer 925.0- 822.0 mb Conv cond level (CCL): 842.12 mb = 1455.93 m = 4776.62 ft Mean mixing ratio: 2.35 g/kg Conv temperature: 3.89 C = 39.00 F Cap Strength: 15.82 C Lifted Index: 15.89 C Risk: None Lifted Index @300 mb: 19.72 C Lifted Index @700 mb: 9.37 C Showalter Index: 18.29 C Risk: None Total Totals Index: 26.50 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 10.90 C K Index: -22.20 Risk: None Sweat Index: 107.00 Risk: None Energy Index: 4.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.96 J/kg Max Up Vert Vel: 9.05 m/s Conv Inhibition (B-): 10.61 J/kg Cap Strength: 15.89 C Lift Cond Lev (LCL): 827.52 mb = 1591.10 m = 5220.09 ft Lev Free Conv (LFC): 822.52 mb = 1637.94 m = 5373.75 ft Equ Level (EL): 792.52 mb = 1923.48 m = 6310.54 ft B at Equ Level: 38.91 J/kg Max Parcel Lev (MPL): 762.52 mb = 2221.56 m = 7288.50 ft Wind level data Storm motion: 256 at 29 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 ---------------------------------------------------------- 0 991 164 330 13 6.5 -11.3 | 50 28 -21.3 -18.0 1 925 719 325 13 7.5 -10.6 | 49 27 -20.3 -17.4 2 850 1384 330 19 9.5 -16.5 | 38 30 -18.3 -23.2 3 700 2885 235 27 22.1 15.5 | 147 10 -5.7 8.7 4 500 5420 210 69 34.5 59.8 | 187 53 6.7 53.0 5 400 7010 215 77 44.2 63.1 | 196 59 16.4 56.3 6 340 8118 210 91 45.5 78.8 | 194 74 17.7 72.0 7 300 8940 210 85 42.5 73.6 | 192 68 14.7 66.8 8 250 10130 280 31 30.5 -5.4 | 347 12 2.7 -12.1 Wind Parameters Mean winds (0-6000m): 226.3 at 38.1 knts Storm direction: 256.3 at 28.6 knts Shear (0-3000m) pos: 0.7 neg: 6.6 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 117.8 deg Storm rel helicity (0-3000m) pos: 26.1 neg: -77.0 tot: -50.9 m^2/s^2 ave: -17.0 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.17 Bulk Shear: 240.69 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 ------------------------------------------------------------------------------- 500 328 13 50 27| 0.0 1.1 1.1| 0.0 -1.1 -1.1 -2.1 -0.14| 1.1 -0.1 1000 327 14 48 27| 2.1 0.5 2.6| 0.0 -28.5 -28.5 -28.5 -0.76| 2.6 -2.0 1500 326 16 44 27| 1.4 2.5 3.9| 0.0 -63.8 -63.8 -42.5 -0.66| 4.6 -3.0 2000 317 17 40 25| 1.0 4.7 5.7| 0.0 -77.0 -77.0 -38.5 -0.44| 6.6 -2.9 2500 302 19 36 21| 0.8 6.0 6.8| 9.5 -77.0 -67.5 -27.0 -0.08| 8.1 -0.7 3000 286 20 34 15| 0.7 6.6 7.3| 26.1 -77.0 -50.9 -17.0 0.06| 8.7 0.6 4000 257 25 72 4| 0.5 7.2 7.8| 58.5 -77.0 -18.5 -4.6 0.14| 8.8 1.3 5000 237 32 172 11| 0.4 7.7 8.1| 61.3 -90.5 -29.2 -5.8 0.10| 9.0 0.9 6000 226 38 179 20| 0.5 6.9 7.3|116.8-100.9 15.9 2.7 0.12| 8.4 1.0 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250427.12.gif