UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 8 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 1000 264 -3.3 -3.7 97 0.4 -3.4 130 1 269.9 270.3 269.7 277.7 2.90 1 940 751 -4.7 -9.1 71 4.4 -6.1 51 14 273.2 273.6 270.5 278.9 2.04 2 925 877 -5.7 -10.1 71 4.4 -7.0 30 17 273.5 273.8 270.4 278.8 1.91 3 850 1533 -11.3 -14.9 75 3.6 -12.2 60 15 274.3 274.5 270.1 278.3 1.41 4 700 2987 -23.5 -26.5 76 3.0 -23.9 55 13 276.5 276.6 270.1 278.3 0.63 5 689 3103 -24.5 -27.2 78 2.7 -24.9 55 13 276.6 276.7 270.2 278.4 0.60 6 648 3549 -25.5 -29.7 68 4.2 -26.0 56 15 280.4 280.5 272.2 281.9 0.50 7 500 5380 -38.7 -44.7 53 6.0 -39.0 60 21 285.9 285.9 274.8 286.3 0.14 8 455 6022 -43.5 -49.5 51 6.0 -43.7 66 24 287.7 287.7 275.6 288.0 0.09 9 400 6880 -48.7 -53.7 56 5.0 -48.8 75 27 291.7 291.7 277.6 291.9 0.06 10 356 7638 -53.3 -58.1 56 4.8 -53.4 73 25 295.4 295.4 279.3 295.6 0.04 11 312 8481 -56.9 -61.6 55 4.7 -57.0 70 23 301.7 301.7 282.1 301.9 0.03 12 300 8730 -56.5 -61.2 55 4.7 -56.6 70 23 305.7 305.7 283.7 305.8 0.03 13 280 9167 -56.1 -60.8 55 4.7 -56.2 64 19 312.4 312.4 286.2 312.5 0.04 14 250 9890 -52.9 -57.8 55 4.9 -53.0 55 13 327.4 327.4 291.0 327.7 0.06 15 248 9942 -52.9 -57.9 55 5.0 -53.0 53 13 328.2 328.2 291.3 328.4 0.06 16 228 10487 -50.7 -56.7 49 6.0 -50.9 34 9 339.5 339.5 294.3 339.8 0.08 17 200 11340 -51.1 -58.1 43 7.0 -51.4 5 3 351.8 351.9 297.1 352.2 0.07 18 150 13210 -51.3 -61.3 29 10.0 -51.7 5 7 381.7 381.7 302.6 382.0 0.07 19 100 15820 -54.3 -68.3 16 14.0 -54.8 280 9 422.8 422.8 308.0 423.0 0.04 20 70 18100 -55.7 -70.7 14 15.0 -56.3 290 9 465.2 465.2 312.3 465.5 0.04 21 50 20240 -56.1 -72.1 12 16.0 -56.9 275 11 511.3 511.3 315.8 511.6 0.05 22 45 20907 -57.5 -73.5 11 16.0 -58.3 263 11 523.5 523.5 316.5 523.8 0.04 23 41 21496 -56.7 -72.7 12 16.0 -57.6 252 12 539.6 539.7 317.5 540.0 0.05 24 30 23490 -53.7 -71.7 9 18.0 -55.4 215 13 598.2 598.3 320.6 598.8 0.08 25 20 26110 -50.7 -69.7 9 19.0 -53.7 235 36 681.0 681.1 323.9 682.3 0.16 26 17 27176 -47.9 -67.9 8 20.0 -52.1 722.4 722.5 325.2 724.5 0.24 27 15 28002 -47.5 -67.5 8 20.0 -52.2 750.0 750.2 326.0 752.7 0.29 TRP 312 8481 -56.9 -61.6 55 4.7 -57.0 70 23 301.7 301.7 282.1 301.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5116.48 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 70.05 % Est. max temperature: 1.16 C = 34.08 F Sfc-Lift cond lev (LCL): 993.58 mb = 314.24 m = 1030.96 ft T: -3.45 C 700-500 lapse rate: 6.35 C/km ThetaE index: 0.59 C Layer 925.0- 700.0 mb Conv cond level (CCL): 882.81 mb = 1239.15 m = 4065.41 ft Mean mixing ratio: 2.23 g/kg Conv temperature: 0.80 C = 33.45 F Cap Strength: 3.13 C Lifted Index: 6.40 C Risk: None Lifted Index @300 mb: 19.30 C Lifted Index @700 mb: 0.27 C Showalter Index: 6.51 C Risk: None Total Totals Index: 51.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 23.80 C K Index: 9.50 Risk: None Sweat Index: 95.00 Risk: None Energy Index: 1.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.62 J/kg Max Up Vert Vel: 5.41 m/s Conv Inhibition (B-): 52024.48 J/kg Cap Strength: 6.27 C Lift Cond Lev (LCL): 904.50 mb = 1050.89 m = 3447.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 87 at 12 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 1000 264 130 1 -0.8 0.6 | 263 12 11.4 1.3 1 1000 261 130 1 -0.8 0.6 | 263 12 11.4 1.3 2 925 877 30 17 -8.5 -14.7 | 345 15 3.7 -14.1 3 850 1533 60 15 -13.0 -7.5 | 6 7 -0.8 -6.8 4 700 2987 55 13 -10.6 -7.5 | 347 7 1.6 -6.8 5 500 5380 60 21 -18.2 -10.5 | 31 12 -6.0 -9.8 6 400 6880 75 27 -26.1 -7.0 | 65 15 -13.9 -6.3 7 312 8481 70 23 -21.6 -7.9 | 53 12 -9.4 -7.2 8 300 8730 70 23 -21.6 -7.9 | 53 12 -9.4 -7.2 9 250 9890 55 13 -10.6 -7.5 | 347 7 1.6 -6.8 10 200 11340 5 3 -0.3 -3.0 | 281 12 12.0 -2.3 11 150 13210 5 7 -0.6 -7.0 | 299 13 11.6 -6.3 12 100 15820 280 9 8.9 -1.6 | 272 21 21.1 -0.9 13 70 18100 290 9 8.5 -3.1 | 277 21 20.7 -2.4 14 50 20240 275 11 11.0 -1.0 | 271 23 23.2 -0.3 15 30 23490 215 13 7.5 10.6 | 240 23 19.7 11.3 16 20 26110 235 36 29.5 20.6 | 243 47 41.7 21.3 Wind Parameters Mean winds (0-6000m): 56.9 at 16.3 knts Storm direction: 86.9 at 12.2 knts Shear (0-3000m) pos: 0.6 neg: 2.6 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 91.0 deg Storm rel helicity (0-3000m) pos: 20.4 neg: -9.0 tot: 11.4 m^2/s^2 ave: 3.8 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.08 Bulk Shear: 13.51 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 31 8 305 10| 0.0 14.3 14.3| 8.4 -3.3 5.1 10.3 0.36| 18.0 6.5 1000 36 12 330 10| 0.0 8.1 8.1| 15.8 -4.9 11.0 11.0 0.30| 13.9 4.1 1500 44 13 340 9| 1.1 5.4 6.5| 18.8 -5.5 13.3 8.9 0.29| 10.5 3.1 2000 48 13 344 9| 0.8 3.9 4.7| 18.8 -6.9 11.9 5.9 0.26| 8.1 2.1 2500 50 13 346 8| 0.7 3.0 3.7| 18.8 -8.4 10.4 4.2 0.23| 6.7 1.5 3000 51 13 347 8| 0.6 2.6 3.2| 20.4 -9.0 11.4 3.8 0.24| 5.8 1.4 4000 53 14 352 8| 0.6 2.0 2.5| 26.6 -9.0 17.7 4.4 0.30| 4.8 1.4 5000 54 15 360 8| 0.7 1.6 2.3| 33.2 -9.0 24.3 4.9 0.33| 4.2 1.4 6000 57 16 10 8| 1.1 1.3 2.4| 49.1 -9.0 40.1 6.7 0.40| 3.9 1.6 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251008.12.gif