UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 16 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 153 290 11 SFC 998 169 5.6 0.8 71 4.8 3.5 290 11 278.9 279.6 276.7 290.1 4.06 2 950 568 0.8 -2.7 77 3.5 -0.6 290 16 278.0 278.6 275.2 287.1 3.29 3 925 782 0.0 -3.4 78 3.4 -1.3 290 19 279.3 279.9 275.7 288.3 3.21 4 850 1454 -4.3 -8.2 74 3.9 -5.6 295 17 281.6 282.1 275.9 288.6 2.42 5 717 2770 -13.5 -16.1 81 2.6 -14.2 282 17 285.6 285.8 276.7 290.1 1.52 6 700 2952 -14.7 -17.7 78 3.0 -15.4 280 17 286.2 286.4 276.8 290.3 1.36 7 671 3271 -16.9 -20.3 75 3.4 -17.6 274 16 287.2 287.4 277.0 290.7 1.13 8 550 4726 -29.3 -34.1 63 4.8 -29.8 244 13 289.3 289.4 276.9 290.6 0.39 9 500 5400 -34.1 -41.1 49 7.0 -34.6 230 11 291.5 291.5 277.7 292.2 0.21 10 471 5816 -37.1 -45.1 43 8.0 -37.5 239 15 292.8 292.8 278.3 293.3 0.15 11 426 6507 -38.9 -48.9 34 10.0 -39.4 255 21 299.0 299.0 281.1 299.4 0.11 12 409 6787 -38.3 -50.3 27 12.0 -38.9 262 24 303.3 303.3 282.8 303.6 0.09 13 400 6940 -38.9 -51.9 24 13.0 -39.5 265 25 304.4 304.4 283.3 304.7 0.08 14 347 7911 -41.9 -59.9 12 18.0 -42.5 270 36 313.0 313.0 286.4 313.1 0.03 15 312 8634 -41.7 -61.7 10 20.0 -42.4 274 35 322.9 323.0 289.7 323.1 0.03 16 300 8900 -41.7 -62.7 8 21.0 -42.4 275 35 326.6 326.6 290.7 326.7 0.03 17 293 9059 -41.7 -63.7 7 22.0 -42.5 273 34 328.8 328.8 291.4 328.9 0.02 18 250 10120 -44.3 -68.3 5 24.0 -45.0 260 31 340.2 340.2 294.4 340.3 0.02 19 200 11610 -45.3 -71.3 4 26.0 -46.1 275 33 361.0 361.0 298.9 361.1 0.01 20 150 13510 -49.9 -74.9 4 25.0 -50.5 260 27 384.1 384.1 302.9 384.1 0.01 21 127 14589 -52.3 -76.3 4 24.0 -52.9 244 24 398.5 398.5 305.0 398.5 0.01 22 100 16110 -58.1 -81.1 4 23.0 -58.5 220 19 415.5 415.5 307.2 415.5 0.01 23 70 18360 -58.9 -81.9 4 23.0 -59.4 270 27 458.4 458.4 311.6 458.4 0.01 24 65 18827 -59.7 -82.7 3 23.0 -60.2 263 25 466.4 466.4 312.3 466.5 0.01 25 50 20480 -58.5 -81.5 4 23.0 -59.2 240 19 505.6 505.6 315.4 505.7 0.01 26 30 23680 -56.5 -79.5 4 23.0 -57.8 270 25 590.6 590.6 320.2 590.8 0.02 27 20 26270 -54.3 -78.3 4 24.0 -56.6 280 38 670.0 670.0 323.4 670.3 0.04 28 17 27324 -49.3 -74.3 4 25.0 -53.3 717.9 717.9 325.0 718.7 0.10 29 11 30182 -48.7 -73.7 4 25.0 -54.2 815.2 815.3 327.7 816.9 0.16 TRP 347 7911 -41.9 -59.9 12 18.0 -42.5 270 36 313.0 313.0 286.4 313.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5247.00 m Freezing level: 925.00 mb = 782.00 m = 2565.59 ft Wetbulb zero: 957.02 mb = 508.74 m = 1669.09 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 71.68 % Est. max temperature: 8.39 C = 47.10 F Sfc-Lift cond lev (LCL): 926.94 mb = 765.24 m = 2510.60 ft T: 0.06 C 700-500 lapse rate: 7.92 C/km ThetaE index: 2.97 C Layer 950.0- 925.0 mb Conv cond level (CCL): 861.43 mb = 1347.89 m = 4422.14 ft Mean mixing ratio: 3.40 g/kg Conv temperature: 7.97 C = 46.34 F Cap Strength: 2.36 C Lifted Index: 3.38 C Risk: None Lifted Index @300 mb: 27.19 C Lifted Index @700 mb: 2.04 C Showalter Index: 3.20 C Risk: None Total Totals Index: 55.70 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.80 C Cross Totals Index: 25.90 C K Index: 18.60 Risk: < 20 % chance of thunderstorms Sweat Index: 179.00 Risk: None Energy Index: 0.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.22 J/kg Max Up Vert Vel: 3.80 m/s Conv Inhibition (B-): 65357.62 J/kg Cap Strength: 3.31 C Lift Cond Lev (LCL): 893.39 mb = 1058.36 m = 3472.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 11 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 ---------------------------------------------------------- 0 998 169 290 11 10.3 -3.8 | 195 3 0.7 2.4 1 925 782 290 19 17.9 -6.5 | 272 8 8.2 -0.3 2 850 1454 295 17 15.4 -7.2 | 280 6 5.7 -1.0 3 700 2952 280 17 16.7 -3.0 | 245 8 7.1 3.3 4 500 5400 230 11 8.4 7.1 | 175 13 -1.2 13.3 5 400 6940 265 25 24.9 2.2 | 241 17 15.2 8.4 6 347 7911 270 36 36.0 -0.0 | 257 27 26.3 6.2 7 300 8900 275 35 34.9 -3.1 | 263 25 25.2 3.2 8 250 10120 260 31 30.5 5.4 | 241 24 20.9 11.6 9 200 11610 275 33 32.9 -2.9 | 262 23 23.2 3.3 10 150 13510 260 27 26.6 4.7 | 237 20 16.9 10.9 11 100 16110 220 19 12.2 14.6 | 187 21 2.5 20.8 12 70 18360 270 27 27.0 -0.0 | 250 18 17.3 6.2 13 50 20480 240 19 16.5 9.5 | 203 17 6.8 15.7 14 30 23680 270 25 25.0 -0.0 | 248 17 15.3 6.2 15 20 26270 280 38 37.4 -6.6 | 271 28 27.8 -0.4 Wind Parameters Mean winds (0-6000m): 272.7 at 15.3 knts Storm direction: 302.7 at 11.5 knts Shear (0-3000m) pos: 0.2 neg: 1.2 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 40.3 deg Storm rel helicity (0-3000m) pos: 7.0 neg: -9.8 tot: -2.8 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.61 Bulk Shear: 2.77 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 ------------------------------------------------------------------------------- 500 290 14 250 4| 0.0 6.7 6.7| 4.4 0.0 4.4 8.7 0.68| 6.8 4.6 1000 291 16 265 6| 0.5 3.4 3.8| 6.4 0.0 6.4 6.4 0.59| 4.8 2.8 1500 292 17 270 6| 0.3 1.9 2.3| 7.0 -0.9 6.1 4.1 0.48| 3.7 1.8 2000 291 17 269 6| 0.2 1.5 1.8| 7.0 -3.2 3.8 1.9 0.31| 3.2 1.0 2500 290 17 266 6| 0.2 1.3 1.5| 7.0 -5.5 1.4 0.6 0.19| 2.8 0.5 3000 288 17 262 6| 0.2 1.2 1.3| 7.0 -9.8 -2.8 -0.9 0.03| 2.8 0.1 4000 284 16 249 7| 0.1 1.1 1.3| 7.0 -23.1 -16.1 -4.0 -0.22| 2.8 -0.6 5000 278 16 236 7| 0.1 1.2 1.3| 7.0 -37.4 -30.5 -6.1 -0.35| 2.8 -1.0 6000 273 15 226 8| 0.6 1.0 1.6| 36.8 -40.4 -3.6 -0.6 -0.07| 3.1 -0.2 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251016.12.gif