UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 23 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 166 SFC 988 261 -3.5 -7.3 75 3.8 -4.7 175 1 270.6 271.0 269.1 276.7 2.23 2 943 630 -3.1 -9.1 63 6.0 -5.0 249 8 274.6 275.0 271.3 280.3 2.03 3 925 782 -4.1 -10.1 63 6.0 -6.0 280 11 275.1 275.4 271.4 280.5 1.91 4 850 1442 -9.9 -14.9 67 5.0 -11.2 285 11 275.8 276.0 271.0 279.8 1.41 5 712 2777 -21.5 -25.2 72 3.7 -22.1 280 13 277.3 277.4 270.8 279.4 0.69 6 706 2840 -20.1 -23.8 72 3.7 -20.7 280 13 279.5 279.7 272.2 281.9 0.79 7 700 2903 -18.7 -22.9 69 4.2 -19.5 280 13 281.8 281.9 273.6 284.4 0.87 8 698 2924 -18.7 -23.2 68 4.5 -19.5 280 13 282.0 282.2 273.8 284.6 0.85 9 631 3670 -23.9 -35.9 32 12.0 -25.2 295 20 284.3 284.4 274.1 285.2 0.28 10 554 4611 -29.5 -42.5 27 13.0 -30.5 315 28 288.5 288.5 276.2 289.0 0.16 11 544 4741 -29.5 -41.5 30 12.0 -30.4 317 29 290.0 290.0 277.0 290.6 0.18 12 500 5340 -32.9 -43.9 32 11.0 -33.7 330 35 292.9 293.0 278.4 293.5 0.16 13 403 6820 -41.9 -49.9 41 8.0 -42.2 330 57 299.9 299.9 281.4 300.2 0.10 14 400 6870 -42.1 -50.1 41 8.0 -42.5 330 58 300.3 300.3 281.6 300.6 0.10 15 355 7667 -47.7 -55.7 39 8.0 -48.0 335 73 303.1 303.1 282.7 303.3 0.06 16 321 8325 -52.5 -60.5 37 8.0 -52.7 335 70 305.4 305.4 283.6 305.5 0.03 17 300 8760 -54.5 -62.5 37 8.0 -54.6 335 68 308.5 308.5 284.8 308.6 0.03 18 297 8825 -54.7 -62.7 37 8.0 -54.8 335 66 309.1 309.1 285.0 309.2 0.03 19 284 9114 -55.1 -63.1 36 8.0 -55.2 335 60 312.5 312.5 286.3 312.6 0.03 20 250 9940 -52.5 -60.5 37 8.0 -52.7 335 42 328.0 328.0 291.2 328.2 0.04 21 205 11220 -49.7 -60.7 26 11.0 -50.1 331 30 351.6 351.6 297.0 351.8 0.05 22 200 11380 -49.5 -60.5 26 11.0 -49.9 330 29 354.4 354.4 297.6 354.6 0.06 23 150 13270 -50.3 -65.3 15 15.0 -50.8 310 23 383.4 383.4 302.8 383.6 0.04 24 100 15920 -49.1 -67.1 10 18.0 -50.0 335 7 432.9 432.9 309.1 433.1 0.05 25 87 16831 -49.5 -68.5 9 19.0 -50.5 345 5 449.6 449.7 310.8 449.9 0.04 26 75 17799 -50.7 -69.7 9 19.0 -51.7 355 4 466.6 466.6 312.4 466.9 0.04 27 70 18250 -48.1 -68.1 8 20.0 -49.6 360 3 481.5 481.5 313.6 481.8 0.06 28 68 18441 -47.9 -67.9 8 20.0 -49.4 12 3 485.9 485.9 314.0 486.3 0.06 29 50 20460 -49.7 -70.7 7 21.0 -51.4 140 3 526.4 526.4 316.7 526.7 0.06 30 42 21597 -51.1 -72.1 6 21.0 -52.8 123 8 549.8 549.8 318.1 550.2 0.05 31 39 22081 -49.1 -70.1 7 21.0 -51.2 116 10 566.6 566.7 319.0 567.2 0.08 32 35 22785 -52.9 -73.9 6 21.0 -54.5 105 13 574.5 574.5 319.4 574.9 0.05 33 30 23780 -52.3 -73.3 6 21.0 -54.2 90 17 602.1 602.1 320.7 602.5 0.06 34 27 24463 -51.1 -72.1 6 21.0 -53.5 623.9 623.9 321.7 624.5 0.08 TRP 297 8825 -54.7 -62.7 37 8.0 -54.8 335 66 309.1 309.1 285.0 309.2 0.03 WND 355 7667 -47.7 -55.7 39 8.0 -48.0 335 73 303.1 303.1 282.7 303.3 0.06 Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 52.43 % Est. max temperature: 1.82 C = 35.27 F Sfc-Lift cond lev (LCL): 930.51 mb = 735.07 m = 2411.63 ft T: -3.79 C 700-500 lapse rate: 5.83 C/km ThetaE index: 1.10 C Layer 850.0- 706.0 mb Conv cond level (CCL): 835.45 mb = 1572.16 m = 5157.94 ft Mean mixing ratio: 1.97 g/kg Conv temperature: 1.84 C = 35.32 F Cap Strength: 9.45 C Lifted Index: 11.38 C Risk: None Lifted Index @300 mb: 20.54 C Lifted Index @700 mb: 4.31 C Showalter Index: 11.14 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 18.00 C K Index: 3.90 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 2.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.19 J/kg Max Up Vert Vel: 6.20 m/s Conv Inhibition (B-): 50349.34 J/kg Cap Strength: 10.94 C Lift Cond Lev (LCL): 859.96 mb = 1351.11 m = 4432.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 344 at 16 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 ---------------------------------------------------------- 0 988 261 175 1 -0.1 1.0 | 164 17 -4.5 16.2 1 925 782 280 11 10.8 -1.9 | 206 15 6.4 13.3 2 850 1442 285 11 10.6 -2.8 | 207 14 6.2 12.4 3 700 2903 280 13 12.8 -2.3 | 213 15 8.4 13.0 4 500 5340 330 35 17.5 -30.3 | 319 20 13.1 -15.1 5 400 6870 330 58 29.0 -50.2 | 325 43 24.6 -35.0 6 355 7667 335 73 30.9 -66.2 | 333 57 26.4 -50.9 7 300 8760 335 68 28.7 -61.6 | 332 52 24.3 -46.4 8 297 8825 335 66 27.9 -59.8 | 332 50 23.5 -44.6 9 250 9940 335 42 17.7 -38.1 | 330 26 13.3 -22.8 10 200 11380 330 29 14.5 -25.1 | 314 14 10.1 -9.9 11 150 13270 310 23 17.6 -14.8 | 268 13 13.2 0.4 12 100 15920 335 7 3.0 -6.3 | 171 9 -1.5 8.9 13 70 18250 360 3 -0.0 -3.0 | 160 13 -4.4 12.2 14 50 20460 140 3 -1.9 2.3 | 160 19 -6.3 17.5 15 30 23780 90 17 -17.0 0.0 | 125 26 -21.4 15.2 Wind Parameters Mean winds (0-6000m): 313.8 at 21.1 knts Storm direction: 343.8 at 15.9 knts Shear (0-3000m) pos: 2.6 neg: 0.3 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 62.4 deg Storm rel helicity (0-3000m) pos: 83.2 neg: 0.0 tot: 83.2 m^2/s^2 ave: 27.7 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.50 Bulk Shear: 38.46 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 ------------------------------------------------------------------------------- 500 275 6 185 15| 11.1 0.0 11.1| 58.7 0.0 58.7 117.5 0.86| 14.7 12.7 1000 279 8 196 14| 5.8 0.0 5.8| 61.8 0.0 61.8 61.8 0.82| 8.2 6.7 1500 281 9 199 14| 4.0 0.0 4.0| 63.4 0.0 63.4 42.3 0.81| 5.7 4.6 2000 282 10 202 14| 3.0 0.2 3.2| 65.5 0.0 65.5 32.8 0.81| 4.5 3.6 2500 282 10 204 14| 2.4 0.3 2.7| 67.6 0.0 67.6 27.0 0.80| 3.7 3.0 3000 282 11 206 14| 2.6 0.3 2.9| 83.2 0.0 83.2 27.7 0.84| 3.8 3.2 4000 290 13 218 14| 3.2 0.2 3.4|130.1 0.0 130.1 32.5 0.89| 4.3 3.9 5000 304 17 239 11| 3.6 0.2 3.7|190.7 0.0 190.7 38.1 0.91| 4.9 4.5 6000 314 21 267 11| 3.6 0.7 4.3|210.4 0.0 210.4 35.1 0.74| 5.4 4.0 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250423.00.gif