UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 13 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 1001 258 -6.9 -9.0 85 2.1 -7.5 0 0 266.2 266.5 265.6 271.4 1.93 1 1000 266 -6.5 -9.1 82 2.6 -7.2 305 5 266.6 267.0 265.9 271.8 1.92 2 990 345 -5.1 -7.8 81 2.7 -6.0 312 5 268.8 269.2 267.8 274.6 2.14 3 925 874 -9.5 -14.5 67 5.0 -10.7 360 7 269.6 269.8 266.9 273.3 1.34 4 870 1344 -13.5 -16.6 77 3.1 -14.2 11 3 270.2 270.4 267.1 273.6 1.20 5 850 1521 -14.1 -18.1 72 4.0 -14.9 15 1 271.4 271.6 267.7 274.4 1.08 6 813 1857 -16.1 -21.0 66 4.9 -17.0 28 5 272.7 272.9 268.2 275.3 0.88 7 772 2248 -14.9 -19.7 67 4.8 -15.9 42 9 278.1 278.3 271.8 281.1 1.04 8 700 2984 -17.5 -25.5 50 8.0 -18.9 70 17 283.1 283.2 274.1 285.2 0.69 9 679 3211 -17.9 -26.9 45 9.0 -19.4 72 19 285.1 285.2 275.1 287.1 0.62 10 647 3570 -20.3 -30.3 40 10.0 -21.7 75 23 286.4 286.5 275.6 287.9 0.48 11 620 3883 -22.3 -32.3 40 10.0 -23.6 77 27 287.6 287.7 276.1 288.9 0.41 12 533 4982 -26.7 -31.7 63 5.0 -27.3 86 39 295.0 295.1 279.8 296.7 0.51 13 527 5064 -27.1 -32.1 62 5.0 -27.8 87 40 295.5 295.6 280.1 297.1 0.49 14 500 5440 -29.7 -34.7 62 5.0 -30.3 90 44 296.8 296.9 280.5 298.2 0.40 15 400 7000 -40.1 -45.1 59 5.0 -40.4 85 62 302.9 302.9 282.8 303.5 0.17 16 380 7348 -42.3 -48.3 52 6.0 -42.6 85 65 304.4 304.5 283.4 304.9 0.13 17 374 7455 -43.1 -49.2 51 6.1 -43.4 85 66 304.7 304.8 283.5 305.1 0.12 18 300 8900 -54.7 -61.7 42 7.0 -54.8 85 64 308.2 308.3 284.7 308.4 0.03 19 273 9495 -59.7 -66.7 40 7.0 -59.7 88 62 309.4 309.4 285.1 309.5 0.02 20 250 10040 -63.3 -70.3 38 7.0 -63.3 90 60 312.0 312.0 286.1 312.0 0.01 21 241 10265 -64.5 -71.5 38 7.0 -64.6 85 60 313.4 313.4 286.6 313.5 0.01 22 224 10717 -60.9 -67.9 39 7.0 -61.0 85 48 325.6 325.6 290.5 325.7 0.02 23 200 11430 -56.9 -63.9 41 7.0 -57.1 85 29 342.7 342.7 295.0 342.8 0.04 24 176 12249 -53.9 -60.9 42 7.0 -54.1 85 19 360.3 360.4 298.8 360.6 0.06 25 150 13280 -53.9 -61.9 37 8.0 -54.2 85 7 377.2 377.2 301.8 377.5 0.06 26 100 15870 -54.7 -65.7 24 11.0 -55.1 30 3 422.0 422.1 308.0 422.3 0.06 27 70 18140 -56.3 -69.3 18 13.0 -56.8 140 7 463.9 464.0 312.1 464.2 0.05 28 50 20260 -56.3 -70.3 16 14.0 -57.1 10 5 510.8 510.8 315.7 511.2 0.06 29 45 20929 -57.1 -71.1 15 14.0 -57.9 336 6 524.5 524.5 316.6 524.9 0.06 30 32 23096 -55.5 -71.5 12 16.0 -56.8 226 8 582.5 582.5 319.8 583.0 0.08 31 30 23510 -52.9 -68.9 13 16.0 -54.6 205 9 600.4 600.5 320.7 601.3 0.12 32 25 24687 -50.9 -67.9 12 17.0 -53.3 209 16 638.3 638.4 322.3 639.6 0.16 33 20 26140 -49.7 -67.7 10 18.0 -52.9 215 25 684.0 684.1 324.0 685.9 0.21 34 16 27609 -47.1 -66.1 10 19.0 -51.7 737.6 737.8 325.7 740.6 0.33 TRP 241 10265 -64.5 -71.5 38 7.0 -64.6 85 60 313.4 313.4 286.6 313.5 0.01 WND 374 7455 -43.1 -49.2 51 6.1 -43.4 85 66 304.7 304.8 283.5 305.1 0.12 Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 59.39 % Est. max temperature: -1.76 C = 28.84 F Sfc-Lift cond lev (LCL): 968.01 mb = 519.79 m = 1705.33 ft T: -6.56 C 700-500 lapse rate: 4.97 C/km ThetaE index: 1.31 C Layer 925.0- 870.0 mb Conv cond level (CCL): 884.39 mb = 1218.32 m = 3997.07 ft Mean mixing ratio: 1.66 g/kg Conv temperature: -3.03 C = 26.54 F Cap Strength: 18.47 C Lifted Index: 19.15 C Risk: None Lifted Index @300 mb: 24.44 C Lifted Index @700 mb: 9.96 C Showalter Index: 18.62 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 11.60 C K Index: -10.50 Risk: None Sweat Index: 46.00 Risk: None Energy Index: 4.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.93 J/kg Max Up Vert Vel: 3.14 m/s Conv Inhibition (B-): 65371.93 J/kg Cap Strength: 19.00 C Lift Cond Lev (LCL): 896.23 mb = 1116.37 m = 3662.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 112 at 17 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 1001 258 0 0 -0.0 -0.0 | 292 17 15.8 -6.3 1 1000 266 305 5 4.1 -2.9 | 295 22 19.9 -9.1 2 925 874 360 7 -0.0 -7.0 | 310 21 15.8 -13.3 3 850 1521 15 1 -0.3 -1.0 | 295 17 15.5 -7.2 4 700 2984 70 17 -16.0 -5.8 | 1 12 -0.2 -12.1 5 500 5440 90 44 -44.0 0.0 | 78 29 -28.2 -6.3 6 400 7000 85 62 -61.8 -5.4 | 76 47 -46.0 -11.7 7 374 7455 85 66 -65.7 -5.8 | 76 51 -50.0 -12.0 8 300 8900 85 64 -63.8 -5.6 | 76 49 -48.0 -11.8 9 250 10040 90 60 -60.0 0.0 | 82 45 -44.2 -6.3 10 241 10265 85 60 -59.8 -5.2 | 75 45 -44.0 -11.5 11 200 11430 85 29 -28.9 -2.5 | 56 16 -13.1 -8.8 12 150 13280 85 7 -7.0 -0.6 | 308 11 8.8 -6.9 13 100 15870 30 3 -1.5 -2.6 | 302 17 14.3 -8.8 14 70 18140 140 7 -4.5 5.4 | 275 11 11.3 -0.9 15 50 20260 10 5 -0.9 -4.9 | 307 19 14.9 -11.2 16 30 23510 205 9 3.8 8.2 | 264 20 19.6 1.9 17 20 26140 215 25 14.3 20.5 | 245 33 30.1 14.2 Wind Parameters Mean winds (0-6000m): 81.6 at 22.6 knts Storm direction: 111.6 at 17.0 knts Shear (0-3000m) pos: 3.5 neg: 1.1 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 116.7 neg: -20.8 tot: 95.9 m^2/s^2 ave: 32.0 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 84.65 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 ------------------------------------------------------------------------------- 500 330 6 301 22| 0.0 6.8 6.8| 31.1 0.0 31.1 62.2 0.60| 9.6 5.8 1000 347 6 305 21| 1.8 3.4 5.2| 36.6 -12.2 24.3 24.3 0.30| 7.2 2.1 1500 351 5 303 20| 1.4 2.3 3.7| 46.6 -20.8 25.8 17.2 0.25| 6.3 1.6 2000 8 5 307 19| 1.9 1.7 3.6| 72.1 -20.8 51.3 25.6 0.42| 6.2 2.6 2500 34 6 313 17| 2.9 1.4 4.2| 96.5 -20.8 75.6 30.3 0.53| 6.4 3.4 3000 52 8 320 15| 3.5 1.1 4.6|116.7 -20.8 95.9 32.0 0.60| 6.4 3.9 4000 66 12 338 12| 4.1 0.9 4.9|156.8 -20.8 135.9 34.0 0.66| 6.3 4.2 5000 77 17 7 10| 4.5 0.7 5.2|209.0 -20.8 188.2 37.6 0.67| 6.3 4.2 6000 82 23 35 12| 4.2 0.8 5.0|220.5 -23.9 196.6 32.8 0.58| 6.3 3.6 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251013.12.gif