UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 18 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 ------------------------------------------------------------------------------- SFC 1003 175 9.6 2.6 62 7.0 6.2 190 7 282.5 283.3 279.3 295.3 4.60 1 1000 200 9.0 3.0 66 6.0 6.1 190 7 282.1 283.0 279.3 295.4 4.74 2 925 830 5.6 1.0 72 4.6 3.5 220 5 285.0 285.8 280.3 297.6 4.44 3 851 1508 0.6 -5.4 64 6.0 -1.8 269 19 286.7 287.2 279.3 295.4 3.00 4 850 1517 0.4 -5.6 64 6.0 -2.0 270 19 286.6 287.1 279.1 295.1 2.96 5 704 2993 -11.5 -13.8 83 2.3 -12.2 255 11 289.3 289.6 279.0 294.9 1.87 6 700 3037 -10.9 -13.3 82 2.4 -11.6 255 11 290.4 290.8 279.7 296.3 1.96 7 698 3059 -9.9 -12.3 83 2.4 -10.6 255 11 291.8 292.1 280.5 298.1 2.13 8 642 3705 -7.9 -23.9 26 16.0 -11.9 255 12 301.1 301.3 283.0 303.9 0.86 9 585 4421 -11.7 -32.7 16 21.0 -15.6 255 13 304.8 304.9 283.9 306.2 0.42 10 500 5600 -21.3 -39.3 18 18.0 -23.6 255 15 307.1 307.1 284.5 308.0 0.25 11 431 6674 -30.7 -44.7 24 14.0 -31.9 262 23 308.4 308.5 284.9 309.0 0.17 12 400 7200 -34.1 -46.1 29 12.0 -35.0 265 27 310.7 310.7 285.8 311.2 0.15 13 384 7485 -35.5 -47.5 28 12.0 -36.3 267 29 312.5 312.5 286.4 313.0 0.14 14 351 8101 -41.7 -52.7 29 11.0 -42.2 272 35 312.2 312.3 286.2 312.6 0.08 15 306 9019 -46.9 -56.9 31 10.0 -47.2 279 43 317.4 317.5 288.0 317.7 0.06 16 300 9150 -48.3 -58.3 31 10.0 -48.6 280 44 317.3 317.3 287.9 317.5 0.05 17 260 10080 -55.1 -65.1 28 10.0 -55.2 280 50 320.5 320.5 288.9 320.6 0.02 18 250 10330 -56.1 -66.1 27 10.0 -56.2 280 52 322.7 322.7 289.6 322.7 0.02 19 228 10913 -58.1 -68.1 27 10.0 -58.2 280 50 328.2 328.2 291.2 328.3 0.02 20 200 11740 -57.3 -67.3 27 10.0 -57.5 275 48 342.0 342.0 294.8 342.1 0.02 21 157 13271 -55.3 -66.3 24 11.0 -55.6 267 46 369.9 369.9 300.6 370.1 0.03 22 150 13560 -56.1 -67.1 24 11.0 -56.3 265 46 373.4 373.4 301.2 373.6 0.03 23 100 16120 -59.9 -73.9 14 14.0 -60.2 275 31 412.0 412.0 306.7 412.1 0.02 24 70 18350 -58.3 -74.3 11 16.0 -58.7 265 33 459.7 459.7 311.7 459.8 0.02 25 63 19013 -56.9 -72.9 12 16.0 -57.5 267 29 476.8 476.8 313.2 477.0 0.03 26 55 19865 -60.1 -77.1 9 17.0 -60.6 269 24 488.4 488.4 314.1 488.5 0.02 27 50 20460 -58.7 -76.7 8 18.0 -59.3 270 21 505.2 505.2 315.3 505.3 0.02 28 37 22343 -61.3 -79.3 7 18.0 -61.9 273 20 543.9 543.9 317.8 544.0 0.02 29 33 23059 -58.5 -78.5 6 20.0 -59.5 274 19 569.4 569.4 319.2 569.6 0.03 30 30 23660 -57.9 -77.9 6 20.0 -59.0 275 19 586.8 586.8 320.0 587.0 0.03 31 23 25338 -56.3 -77.3 5 21.0 -57.9 259 20 637.8 637.8 322.2 638.2 0.04 32 20 26220 -58.5 -79.5 5 21.0 -60.0 250 21 657.1 657.1 323.0 657.4 0.04 33 17 27242 -59.3 -80.3 5 21.0 -60.9 252 26 685.8 685.8 324.0 686.1 0.04 34 12 29482 -48.5 -73.5 4 25.0 -53.8 257 36 795.9 796.0 327.2 797.4 0.15 35 10 30680 -49.5 -74.5 4 25.0 -55.0 260 42 834.8 834.9 328.1 836.4 0.16 36 8.6 31666 -50.5 -74.5 4 24.0 -56.1 867.7 867.8 328.8 869.6 0.18 TRP 228 10913 -58.1 -68.1 27 10.0 -58.2 280 50 328.2 328.2 291.2 328.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5400.00 m Freezing level: 845.09 mb = 1566.62 m = 5139.78 ft Wetbulb zero: 876.21 mb = 1270.30 m = 4167.61 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 50.39 % Est. max temperature: 13.73 C = 56.71 F Sfc-Lift cond lev (LCL): 901.52 mb = 1038.96 m = 3408.62 ft T: 4.06 C 700-500 lapse rate: 4.06 C/km ThetaE index: 2.73 C Layer 851.0- 700.0 mb Conv cond level (CCL): 843.44 mb = 1577.68 m = 5176.04 ft Mean mixing ratio: 4.51 g/kg Conv temperature: 13.78 C = 56.81 F Cap Strength: 10.08 C Lifted Index: 10.06 C Risk: None Lifted Index @300 mb: 14.73 C Lifted Index @700 mb: 0.51 C Showalter Index: 11.14 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 15.70 C K Index: 13.70 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.27 J/kg Max Up Vert Vel: 4.75 m/s Conv Inhibition (B-): 70.79 J/kg Cap Strength: 10.04 C Lift Cond Lev (LCL): 878.55 mb = 1248.63 m = 4096.50 ft Lev Free Conv (LFC): 733.55 mb = 2671.19 m = 8763.63 ft Equ Level (EL): 703.55 mb = 2998.19 m = 9836.45 ft B at Equ Level: 9.18 J/kg Max Parcel Lev (MPL): 683.55 mb = 3220.61 m = 10566.18 ft Wind level data Storm motion: 286 at 10 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 1003 175 190 7 1.2 6.9 | 140 13 -8.2 9.7 1 1000 200 190 7 1.2 6.9 | 140 13 -8.2 9.7 2 925 830 220 5 3.2 3.8 | 137 9 -6.2 6.6 3 850 1517 270 19 19.0 -0.0 | 254 10 9.6 2.8 4 700 3037 255 11 10.6 2.8 | 192 6 1.2 5.6 5 500 5600 255 15 14.5 3.9 | 217 8 5.1 6.6 6 400 7200 265 27 26.9 2.4 | 254 18 17.5 5.1 7 300 9150 280 44 43.3 -7.6 | 278 34 33.9 -4.9 8 250 10330 280 52 51.2 -9.0 | 279 42 41.8 -6.3 9 228 10913 280 50 49.2 -8.7 | 278 40 39.8 -5.9 10 200 11740 275 48 47.8 -4.2 | 272 38 38.4 -1.4 11 150 13560 265 46 45.8 4.0 | 259 37 36.4 6.8 12 100 16120 275 31 30.9 -2.7 | 270 21 21.5 0.1 13 70 18350 265 33 32.9 2.9 | 256 24 23.5 5.6 14 50 20460 270 21 21.0 -0.0 | 257 12 11.6 2.8 15 30 23660 275 19 18.9 -1.7 | 263 10 9.5 1.1 16 20 26220 250 21 19.7 7.2 | 226 14 10.3 9.9 17 10 30680 260 42 41.4 7.3 | 253 34 32.0 10.1 Wind Parameters Mean winds (0-6000m): 256.4 at 13.1 knts Storm direction: 286.4 at 9.8 knts Shear (0-3000m) pos: 3.1 neg: 1.3 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 54.5 deg Storm rel helicity (0-3000m) pos: 38.3 neg: -15.4 tot: 22.9 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.71 Bulk Shear: 15.97 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 ------------------------------------------------------------------------------- 500 199 6 140 11| 2.9 0.0 2.9| 0.4 -0.7 -0.3 -0.6 -0.04| 3.0 -0.1 1000 217 7 147 10| 5.1 0.0 5.1| 17.6 -1.2 16.4 16.4 0.65| 5.9 3.8 1500 247 10 179 7| 6.2 0.0 6.2| 38.1 -2.4 35.7 23.8 0.76| 7.3 5.6 2000 255 12 198 6| 4.7 0.8 5.4| 38.1 -7.7 30.3 15.2 0.56| 6.3 3.5 2500 257 12 205 6| 3.7 1.2 4.9| 38.1 -12.4 25.7 10.3 0.41| 5.6 2.3 3000 258 12 205 6| 3.1 1.3 4.4| 38.3 -15.4 22.9 7.6 0.32| 5.1 1.6 4000 257 12 204 6| 2.3 0.8 3.2| 40.4 -15.4 25.0 6.2 0.34| 4.0 1.4 5000 256 12 205 6| 1.9 0.6 2.4| 42.5 -15.4 27.1 5.4 0.36| 3.4 1.2 6000 256 13 209 7| 2.0 0.5 2.4| 51.4 -15.4 36.0 6.0 0.40| 3.2 1.3 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251018.12.gif