UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 9 OCT 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 1005 259 -7.1 -9.9 80 2.8 -7.9 0 0 265.7 266.0 265.0 270.5 1.79 1 1000 298 -7.5 -12.1 70 4.6 -8.7 345 5 265.6 265.9 264.4 269.8 1.51 2 925 899 -12.5 -16.8 70 4.3 -13.4 50 13 266.5 266.7 264.4 269.6 1.11 3 850 1538 -17.9 -20.7 79 2.8 -18.4 50 15 267.4 267.5 264.5 269.8 0.86 4 840 1626 -18.9 -21.6 79 2.7 -19.3 48 15 267.2 267.4 264.3 269.5 0.81 5 837 1653 -17.9 -20.7 79 2.8 -18.4 48 15 268.6 268.7 265.4 271.1 0.88 6 833 1689 -16.1 -18.9 79 2.8 -16.6 47 15 270.8 271.0 267.2 273.8 1.03 7 820 1808 -15.1 -18.7 74 3.6 -15.9 44 15 273.1 273.3 268.8 276.2 1.06 8 764 2341 -16.1 -25.1 46 9.0 -17.6 34 16 277.6 277.7 270.9 279.6 0.65 9 707 2922 -19.1 -29.1 41 10.0 -20.5 22 17 280.5 280.6 272.3 282.0 0.49 10 700 2996 -19.5 -29.5 41 10.0 -20.9 20 17 280.9 281.0 272.5 282.4 0.47 11 550 4749 -30.1 -35.1 62 5.0 -30.6 31 21 288.4 288.4 276.4 289.5 0.35 12 500 5420 -34.9 -39.4 63 4.5 -35.3 35 23 290.5 290.5 277.3 291.3 0.25 13 446 6207 -40.3 -44.1 67 3.8 -40.5 45 25 293.3 293.4 278.6 293.9 0.17 14 411 6759 -44.1 -47.9 66 3.8 -44.3 53 27 295.4 295.4 279.4 295.8 0.12 15 400 6940 -44.9 -48.7 66 3.8 -45.0 55 27 296.6 296.7 280.0 297.0 0.11 16 300 8820 -56.1 -60.7 56 4.6 -56.2 65 33 306.3 306.3 284.0 306.4 0.04 17 289 9057 -56.9 -61.5 56 4.6 -57.0 65 34 308.4 308.4 284.8 308.5 0.03 18 265 9603 -58.7 -63.3 55 4.6 -58.7 65 35 313.5 313.5 286.6 313.6 0.03 19 250 9970 -57.5 -62.3 54 4.8 -57.6 55 25 320.6 320.6 289.0 320.7 0.04 20 238 10282 -55.9 -60.7 55 4.8 -56.0 49 21 327.5 327.5 291.0 327.7 0.05 21 205 11241 -52.7 -57.7 55 5.0 -52.9 33 11 346.9 346.9 296.0 347.2 0.08 22 200 11400 -53.7 -58.7 54 5.0 -53.8 30 9 347.7 347.7 296.2 348.0 0.07 23 150 13250 -53.1 -60.1 42 7.0 -53.4 40 15 378.6 378.6 302.1 378.9 0.08 24 100 15860 -55.3 -64.3 32 9.0 -55.6 15 7 420.9 420.9 307.9 421.2 0.07 25 70 18130 -55.5 -66.5 24 11.0 -56.1 45 1 465.7 465.7 312.3 466.1 0.07 26 50 20260 -56.9 -68.9 21 12.0 -57.6 275 3 509.4 509.4 315.7 509.8 0.07 27 30 23500 -55.7 -68.7 18 13.0 -56.9 225 31 592.8 592.8 320.3 593.7 0.12 28 24 24929 -53.3 -67.3 17 14.0 -55.2 638.8 638.9 322.3 640.3 0.19 TRP 265 9603 -58.7 -63.3 55 4.6 -58.7 65 35 313.5 313.5 286.6 313.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5122.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 59.05 % Est. max temperature: -5.43 C = 22.22 F Sfc-Lift cond lev (LCL): 961.13 mb = 603.61 m = 1980.33 ft T: -10.04 C 700-500 lapse rate: 6.35 C/km ThetaE index: 0.90 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 879.30 mb = 1281.92 m = 4205.74 ft Mean mixing ratio: 1.28 g/kg Conv temperature: -5.71 C = 21.73 F Cap Strength: 16.05 C Lifted Index: 17.23 C Risk: None Lifted Index @300 mb: 25.91 C Lifted Index @700 mb: 11.24 C Showalter Index: 17.11 C Risk: None Total Totals Index: 31.20 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 14.20 C K Index: -13.70 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 4.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.97 J/kg Max Up Vert Vel: 2.44 m/s Conv Inhibition (B-): 49952.81 J/kg Cap Strength: 17.18 C Lift Cond Lev (LCL): 891.31 mb = 1179.38 m = 3869.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 64 at 13 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 1005 259 0 0 -0.0 -0.0 | 244 13 12.0 5.9 1 1000 298 345 5 1.3 -4.8 | 266 13 13.3 1.0 2 925 899 50 13 -10.0 -8.4 | 320 3 2.1 -2.5 3 850 1538 50 15 -11.5 -9.6 | 352 4 0.6 -3.8 4 700 2996 20 17 -5.8 -16.0 | 328 12 6.2 -10.1 5 500 5420 35 23 -13.2 -18.8 | 5 13 -1.1 -13.0 6 400 6940 55 27 -22.1 -15.5 | 46 14 -10.1 -9.6 7 300 8820 65 33 -29.9 -13.9 | 66 20 -17.9 -8.1 8 265 9603 65 35 -31.7 -14.8 | 66 22 -19.7 -8.9 9 250 9970 55 25 -20.5 -14.3 | 45 12 -8.4 -8.5 10 200 11400 30 9 -4.5 -7.8 | 284 8 7.5 -1.9 11 150 13250 40 15 -9.6 -11.5 | 337 6 2.4 -5.6 12 100 15860 15 7 -1.8 -6.8 | 275 10 10.2 -0.9 13 70 18130 45 1 -0.7 -0.7 | 246 12 11.3 5.1 14 50 20260 275 3 3.0 -0.3 | 250 16 15.0 5.6 15 30 23500 225 31 21.9 21.9 | 231 44 34.0 27.8 Wind Parameters Mean winds (0-6000m): 34.1 at 17.9 knts Storm direction: 64.1 at 13.4 knts Shear (0-3000m) pos: 2.4 neg: 1.5 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 88.2 deg Storm rel helicity (0-3000m) pos: 39.9 neg: -6.2 tot: 33.7 m^2/s^2 ave: 11.2 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.20 Bulk Shear: 15.04 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 19 8 278 10| 11.5 0.0 11.5| 33.9 0.0 33.9 67.8 0.78| 14.6 11.5 1000 41 10 291 6| 7.3 0.0 7.3| 37.0 0.0 37.0 37.0 0.74| 9.8 7.2 1500 45 12 305 5| 4.8 0.6 5.4| 37.7 -0.4 37.3 24.9 0.68| 7.2 4.9 2000 43 13 317 5| 3.6 1.1 4.7| 37.7 -2.0 35.7 17.9 0.56| 6.1 3.5 2500 40 14 323 6| 2.9 1.5 4.4| 37.7 -4.7 33.0 13.2 0.46| 5.5 2.5 3000 36 14 326 7| 2.4 1.5 3.9| 39.9 -6.2 33.7 11.2 0.43| 5.0 2.1 4000 33 15 332 8| 2.2 1.1 3.3| 50.1 -6.2 43.9 11.0 0.49| 4.1 2.0 5000 32 17 339 9| 2.1 0.9 3.0| 61.1 -6.2 54.9 11.0 0.53| 3.7 2.0 6000 34 18 347 9| 2.1 0.7 2.8| 80.7 -6.2 74.5 12.4 0.60| 3.5 2.1 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251009.12.gif