UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101000.upa.cvt Date: 0000Z 10 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 10 OCT 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1024 76 -3.7 -6.5 81 2.8 -4.6 60 1 267.6 268.0 267.2 273.8 2.29 1 1000 263 -3.3 -6.9 76 3.6 -4.5 55 3 269.9 270.2 268.7 276.0 2.27 2 981 415 -3.1 -8.1 68 5.0 -4.7 54 3 271.5 271.9 269.5 277.4 2.11 3 965 544 -3.7 -9.7 63 6.0 -5.5 53 4 272.2 272.5 269.6 277.5 1.89 4 925 877 -5.9 -11.9 63 6.0 -7.6 50 5 273.3 273.6 269.9 277.9 1.66 5 850 1534 -10.9 -14.8 73 3.9 -11.9 25 5 274.7 275.0 270.4 278.8 1.42 6 812 1883 -13.5 -16.6 77 3.1 -14.2 30 6 275.6 275.8 270.7 279.3 1.28 7 770 2284 -16.3 -20.1 72 3.8 -17.0 35 7 276.8 277.0 270.9 279.7 1.00 8 747 2511 -16.3 -20.8 68 4.5 -17.2 38 8 279.2 279.4 272.3 282.1 0.97 9 733 2654 -15.1 -22.1 55 7.0 -16.5 40 8 282.0 282.2 273.8 284.7 0.89 10 700 3000 -16.5 -27.5 38 11.0 -18.3 45 9 284.2 284.3 274.5 286.0 0.57 11 582 4361 -25.5 -35.5 39 10.0 -26.6 31 10 289.1 289.2 276.7 290.2 0.32 12 500 5440 -35.1 -43.1 44 8.0 -35.6 20 11 290.2 290.3 277.0 290.8 0.17 13 419 6649 -43.7 -48.3 60 4.6 -43.9 36 13 294.3 294.3 278.9 294.7 0.11 14 400 6960 -44.9 -50.9 51 6.0 -45.1 40 13 296.6 296.7 280.0 297.0 0.09 15 318 8466 -53.1 -62.1 33 9.0 -53.2 20 15 305.4 305.4 283.6 305.5 0.03 16 300 8840 -55.3 -64.3 32 9.0 -55.4 15 15 307.4 307.4 284.4 307.5 0.02 17 285 9166 -56.5 -65.5 31 9.0 -56.6 15 15 310.2 310.2 285.4 310.3 0.02 18 250 10000 -53.9 -63.9 28 10.0 -54.1 10 15 325.9 325.9 290.6 326.0 0.03 19 229 10568 -52.1 -63.1 25 11.0 -52.4 6 17 337.0 337.0 293.6 337.1 0.03 20 206 11257 -51.3 -64.3 20 13.0 -51.6 1 18 348.6 348.6 296.4 348.7 0.03 21 200 11450 -51.5 -64.5 20 13.0 -51.8 360 19 351.2 351.2 296.9 351.4 0.03 22 150 13310 -52.9 -68.9 13 16.0 -53.3 355 19 378.9 378.9 302.1 379.0 0.02 23 100 15910 -56.3 -72.3 12 16.0 -56.7 340 17 418.9 419.0 307.6 419.1 0.02 24 98 16038 -56.3 -72.3 12 16.0 -56.7 340 17 421.4 421.4 307.9 421.5 0.02 25 70 18160 -58.7 -75.7 9 17.0 -59.2 335 17 458.8 458.8 311.7 458.9 0.02 26 50 20260 -60.3 -77.3 9 17.0 -60.8 325 19 501.4 501.4 315.1 501.5 0.02 27 41 21494 -61.3 -78.3 9 17.0 -61.9 528.2 528.2 316.8 528.3 0.02 28 33 22846 -59.9 -77.9 8 18.0 -60.7 565.7 565.7 318.9 565.9 0.03 TRP 285 9166 -56.5 -65.5 31 9.0 -56.6 15 15 310.2 310.2 285.4 310.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5177.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 54.31 % Est. max temperature: 2.98 C = 37.36 F Sfc-Lift cond lev (LCL): 979.69 mb = 425.12 m = 1394.74 ft T: -3.15 C 700-500 lapse rate: 7.62 C/km ThetaE index: 0.00 C Layer 1024.0-2128654499840.0 mb Conv cond level (CCL): 855.57 mb = 1483.28 m = 4866.35 ft Mean mixing ratio: 2.01 g/kg Conv temperature: 3.34 C = 38.01 F Cap Strength: 11.28 C Lifted Index: 11.32 C Risk: None Lifted Index @300 mb: 21.67 C Lifted Index @700 mb: 8.56 C Showalter Index: 9.76 C Risk: None Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 20.30 C K Index: -1.60 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 2.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.90 J/kg Max Up Vert Vel: 6.46 m/s Conv Inhibition (B-): 40652.52 J/kg Cap Strength: 11.33 C Lift Cond Lev (LCL): 900.15 mb = 1088.61 m = 3571.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 63 at 6 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 1024 76 60 1 -0.9 -0.5 | 244 5 4.5 2.2 1 1000 263 55 3 -2.5 -1.7 | 251 3 3.0 1.0 2 925 877 50 5 -3.8 -3.2 | 287 2 1.6 -0.5 3 850 1534 25 5 -2.1 -4.5 | 299 4 3.3 -1.8 4 700 3000 45 9 -6.4 -6.4 | 15 4 -1.0 -3.6 5 500 5440 20 11 -3.8 -10.3 | 348 8 1.6 -7.6 6 400 6960 40 13 -8.4 -10.0 | 22 8 -2.9 -7.2 7 300 8840 15 15 -3.9 -14.5 | 353 12 1.5 -11.7 8 285 9166 15 15 -3.9 -14.5 | 353 12 1.5 -11.7 9 250 10000 10 15 -2.6 -14.8 | 347 12 2.8 -12.0 10 200 11450 360 19 -0.0 -19.0 | 342 17 5.4 -16.3 11 150 13310 355 19 1.7 -18.9 | 336 18 7.1 -16.2 12 100 15910 340 17 5.8 -16.0 | 320 17 11.2 -13.2 13 70 18160 335 17 7.2 -15.4 | 315 18 12.6 -12.7 14 50 20260 325 19 10.9 -15.6 | 308 21 16.3 -12.8 Wind Parameters Mean winds (0-6000m): 33.1 at 8.1 knts Storm direction: 63.1 at 6.1 knts Shear (0-3000m) pos: 0.8 neg: 0.7 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 129.9 deg Storm rel helicity (0-3000m) pos: 5.6 neg: 0.0 tot: 5.6 m^2/s^2 ave: 1.9 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 1.9 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.32 Bulk Shear: 3.93 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 54 3 251 3| 0.0 3.1 3.1| 0.9 0.0 0.9 1.7 0.33| 3.1 1.0 1000 51 4 262 2| 0.0 2.1 2.1| 1.4 0.0 1.4 1.4 0.45| 2.4 1.1 1500 44 4 277 3| 0.0 1.5 1.5| 1.6 0.0 1.6 1.1 0.38| 2.1 0.8 2000 39 5 288 3| 0.4 1.1 1.5| 3.0 0.0 3.0 1.5 0.50| 2.0 1.0 2500 39 5 300 3| 0.6 0.9 1.5| 4.4 0.0 4.4 1.8 0.58| 1.9 1.1 3000 40 6 313 2| 0.8 0.7 1.5| 5.6 0.0 5.6 1.9 0.62| 1.9 1.2 4000 40 7 334 3| 0.6 0.8 1.3| 5.6 -1.2 4.4 1.1 0.45| 1.6 0.7 5000 36 7 343 3| 0.5 0.8 1.2| 5.6 -3.1 2.6 0.5 0.32| 1.5 0.5 6000 33 8 346 4| 0.5 0.7 1.2| 9.3 -3.8 5.5 0.9 0.35| 1.5 0.5 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251010.00.gif