UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 19 APR 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 ------------------------------------------------------------------------------- 0 1000 68 SFC 976 260 -3.3 -9.3 63 6.0 -5.1 280 1 271.7 272.1 269.4 277.1 1.93 2 925 681 -7.9 -14.9 57 7.0 -9.6 265 17 271.2 271.4 268.0 274.9 1.30 3 873 1127 -11.9 -16.4 69 4.5 -12.9 258 13 271.6 271.8 268.0 275.0 1.21 4 850 1331 -13.5 -16.9 75 3.4 -14.2 255 11 272.0 272.2 268.2 275.4 1.20 5 832 1493 -14.5 -17.6 77 3.1 -15.2 255 12 272.6 272.8 268.6 275.9 1.15 6 767 2107 -16.5 -24.5 50 8.0 -17.9 255 16 276.9 277.0 270.5 278.9 0.68 7 734 2438 -16.3 -27.3 38 11.0 -18.1 255 19 280.6 280.7 272.5 282.3 0.55 8 700 2794 -17.5 -32.5 26 15.0 -19.6 255 21 283.1 283.2 273.6 284.2 0.36 9 692 2880 -18.1 -35.1 21 17.0 -20.3 253 22 283.4 283.4 273.6 284.3 0.28 10 629 3589 -21.9 -41.9 15 20.0 -23.8 238 33 286.9 286.9 275.3 287.4 0.15 11 598 3960 -22.7 -42.7 14 20.0 -24.6 229 38 290.1 290.2 277.0 290.6 0.15 12 571 4300 -22.7 -34.7 33 12.0 -24.2 222 43 294.0 294.0 279.1 295.1 0.35 13 552 4547 -24.5 -32.5 47 8.0 -25.6 216 47 294.7 294.8 279.6 296.2 0.45 14 500 5260 -30.3 -35.3 62 5.0 -30.8 200 58 296.1 296.2 280.1 297.4 0.38 15 492 5374 -31.1 -36.1 61 5.0 -31.6 200 59 296.5 296.5 280.3 297.7 0.36 16 451 5985 -34.5 -39.5 60 5.0 -34.9 198 63 299.7 299.7 281.6 300.6 0.27 17 400 6810 -40.9 -45.9 58 5.0 -41.2 195 68 301.8 301.9 282.3 302.4 0.16 18 316 8369 -54.3 -60.2 49 5.8 -54.4 190 79 304.2 304.2 283.1 304.3 0.04 19 300 8700 -57.3 -63.3 46 6.0 -57.4 200 77 304.6 304.6 283.2 304.7 0.03 20 282 9087 -60.1 -66.1 45 6.0 -60.2 205 77 306.0 306.0 283.8 306.1 0.02 21 269 9382 -57.5 -63.5 46 6.0 -57.6 205 65 313.9 313.9 286.8 314.0 0.03 22 263 9525 -54.5 -60.5 47 6.0 -54.6 205 59 320.4 320.4 288.9 320.5 0.04 23 250 9850 -53.1 -59.1 48 6.0 -53.2 205 46 327.1 327.1 291.0 327.3 0.05 24 200 11310 -47.9 -57.9 31 10.0 -48.3 215 48 356.9 356.9 298.1 357.3 0.08 25 194 11511 -46.7 -56.7 31 10.0 -47.2 213 47 362.0 362.0 299.2 362.4 0.09 26 173 12270 -45.7 -58.7 22 13.0 -46.4 207 41 375.7 375.7 301.6 376.0 0.08 27 163 12663 -48.5 -62.5 18 14.0 -49.1 204 39 377.4 377.4 301.9 377.7 0.05 28 150 13210 -47.1 -62.1 16 15.0 -47.9 200 35 388.9 388.9 303.7 389.2 0.06 29 144 13481 -45.7 -61.7 15 16.0 -46.6 202 34 395.9 395.9 304.7 396.2 0.07 30 113 15080 -49.5 -67.5 10 18.0 -50.3 210 25 417.2 417.3 307.4 417.4 0.04 31 100 15880 -49.3 -67.3 10 18.0 -50.2 215 21 432.5 432.5 309.1 432.7 0.04 32 83 17100 -50.5 -69.5 9 19.0 -51.5 210 23 453.7 453.7 311.2 453.9 0.04 33 77 17588 -51.3 -70.3 9 19.0 -52.2 208 24 461.9 461.9 312.0 462.1 0.04 34 70 18210 -50.1 -69.1 9 19.0 -51.2 205 25 477.2 477.2 313.2 477.5 0.05 35 50 20400 -51.3 -71.3 7 20.0 -52.7 255 23 522.6 522.6 316.5 522.9 0.05 36 42 21530 -50.7 -70.7 8 20.0 -52.4 235 20 550.8 550.8 318.2 551.2 0.07 37 39 22009 -52.5 -72.5 7 20.0 -54.0 226 18 558.0 558.1 318.6 558.4 0.05 38 35 22710 -49.9 -69.9 8 20.0 -52.0 213 16 582.4 582.4 319.8 583.0 0.09 39 30 23710 -52.1 -72.1 7 20.0 -54.1 195 13 602.6 602.6 320.7 603.2 0.08 40 28 24157 -51.9 -71.9 7 20.0 -54.0 615.2 615.2 321.3 615.8 0.08 TRP 282 9087 -60.1 -66.1 45 6.0 -60.2 205 77 306.0 306.0 283.8 306.1 0.02 WND 316 8369 -54.3 -60.2 49 5.8 -54.4 190 79 304.2 304.2 283.1 304.3 0.04 Sounding variables and indices 1000-500 mb thick: 5192.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 44.28 % Est. max temperature: -2.04 C = 28.32 F Sfc-Lift cond lev (LCL): 887.76 mb = 997.95 m = 3274.07 ft T: -10.74 C 700-500 lapse rate: 5.19 C/km ThetaE index: 2.19 C Layer 925.0- 873.0 mb Conv cond level (CCL): 800.52 mb = 1784.57 m = 5854.82 ft Mean mixing ratio: 1.44 g/kg Conv temperature: -0.42 C = 31.25 F Cap Strength: 16.73 C Lifted Index: 17.20 C Risk: None Lifted Index @300 mb: 20.64 C Lifted Index @700 mb: 8.61 C Showalter Index: 17.26 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 13.40 C K Index: -15.10 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 4.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.48 J/kg Max Up Vert Vel: 0.98 m/s Conv Inhibition (B-): 52075.36 J/kg Cap Strength: 17.20 C Lift Cond Lev (LCL): 840.49 mb = 1416.43 m = 4647.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 246 at 25 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 ---------------------------------------------------------- 0 976 260 280 1 1.0 -0.2 | 65 24 -21.6 -10.1 1 925 681 265 17 16.9 1.5 | 34 10 -5.6 -8.4 2 850 1331 255 11 10.6 2.8 | 59 14 -11.9 -7.1 3 700 2794 255 21 20.3 5.4 | 27 5 -2.3 -4.5 4 500 5260 200 58 19.8 54.5 | 176 45 -2.7 44.6 5 400 6810 195 68 17.6 65.7 | 175 56 -5.0 55.8 6 316 8369 190 79 13.7 77.8 | 173 68 -8.9 67.9 7 300 8700 200 77 26.3 72.4 | 183 63 3.8 62.4 8 282 9087 205 77 32.5 69.8 | 189 61 10.0 59.9 9 250 9850 205 46 19.4 41.7 | 174 32 -3.1 31.8 10 200 11310 215 48 27.5 39.3 | 190 30 5.0 29.4 11 150 13210 200 35 12.0 32.9 | 155 25 -10.6 23.0 12 100 15880 215 21 12.0 17.2 | 125 13 -10.5 7.3 13 70 18210 205 25 10.6 22.7 | 137 18 -12.0 12.7 14 50 20400 255 23 22.2 6.0 | 5 4 -0.4 -4.0 15 30 23710 195 13 3.4 12.6 | 98 19 -19.2 2.6 Wind Parameters Mean winds (0-6000m): 216.3 at 32.9 knts Storm direction: 246.3 at 24.6 knts Shear (0-3000m) pos: 0.0 neg: 4.7 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 167.4 deg Storm rel helicity (0-3000m) pos: 14.1 neg: -49.9 tot: -35.8 m^2/s^2 ave: -11.9 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 98.70 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 ------------------------------------------------------------------------------- 500 265 10 54 15| 0.0 15.8 15.8| 0.9 -37.4 -36.5 -73.0 -0.50| 16.4 -8.2 1000 263 12 52 13| 0.0 5.5 5.5| 12.9 -37.4 -24.5 -24.5 -0.19| 10.8 -2.1 1500 260 12 53 13| 0.0 4.5 4.5| 14.1 -40.1 -26.0 -17.3 -0.19| 8.3 -1.5 2000 259 13 53 12| 0.0 4.2 4.2| 14.1 -43.5 -29.4 -14.7 -0.21| 7.1 -1.5 2500 258 14 52 11| 0.0 4.1 4.1| 14.1 -46.8 -32.7 -13.1 -0.25| 6.4 -1.6 3000 256 16 50 9| 0.0 4.7 4.7| 14.1 -49.9 -35.8 -11.9 -0.34| 6.8 -2.3 4000 244 21 78 4| 0.0 5.5 5.5| 14.1 -72.8 -58.7 -14.7 -0.33| 7.7 -2.6 5000 226 27 160 10| 0.0 6.0 6.0| 14.1-177.8-163.7 -32.7 -0.37| 8.7 -3.2 6000 216 33 169 17| 0.0 5.5 5.5| 14.1-187.4-173.3 -28.9 -0.35| 7.9 -2.8 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250419.00.gif