UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 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 124 SFC 983 263 2.8 -9.2 41 12.0 -1.3 175 5 277.3 277.6 272.8 282.8 1.93 2 925 750 -2.1 -13.1 43 11.0 -5.3 190 21 277.2 277.4 272.0 281.5 1.50 3 850 1414 -8.5 -16.5 52 8.0 -10.5 195 19 277.2 277.5 271.6 280.8 1.24 4 787 2005 -14.1 -18.7 68 4.6 -15.1 215 21 277.4 277.6 271.5 280.7 1.11 5 781 2063 -13.1 -17.7 68 4.6 -14.2 217 21 279.1 279.3 272.7 282.7 1.22 6 775 2122 -11.7 -16.6 67 4.9 -12.9 219 21 281.2 281.5 274.1 285.2 1.35 7 734 2539 -10.9 -29.9 19 19.0 -14.3 233 22 286.5 286.6 275.6 287.9 0.44 8 714 2751 -10.5 -24.5 31 14.0 -13.5 240 23 289.2 289.3 277.4 291.5 0.74 9 700 2903 -11.5 -21.5 43 10.0 -13.8 245 23 289.7 289.9 278.0 292.8 0.98 10 681 3113 -12.5 -20.5 51 8.0 -14.4 249 24 290.9 291.1 278.7 294.3 1.10 11 626 3751 -15.9 -20.9 65 5.0 -17.0 262 28 294.1 294.3 280.3 297.7 1.15 12 618 3848 -15.3 -20.3 66 5.0 -16.5 264 29 295.9 296.1 281.2 299.8 1.23 13 593 4159 -16.9 -21.1 70 4.2 -17.9 270 30 297.6 297.8 281.9 301.3 1.20 14 511 5261 -23.3 -27.4 69 4.1 -24.0 292 37 302.7 302.9 283.5 305.3 0.79 15 500 5420 -24.3 -28.3 69 4.0 -25.0 295 38 303.4 303.5 283.7 305.9 0.74 16 400 7010 -37.5 -41.7 65 4.2 -37.8 295 46 306.3 306.3 284.2 307.1 0.25 17 300 8920 -54.5 -58.8 59 4.3 -54.6 305 54 308.5 308.5 284.8 308.7 0.05 18 282 9311 -57.9 -62.2 58 4.3 -58.0 307 56 309.2 309.2 285.1 309.3 0.03 19 253 9986 -61.3 -65.6 57 4.3 -61.4 310 60 313.8 313.8 286.7 313.9 0.02 20 250 10060 -61.7 -66.0 56 4.3 -61.7 310 58 314.3 314.3 286.9 314.4 0.02 21 249 10085 -61.9 -66.3 56 4.4 -61.9 310 58 314.4 314.4 286.9 314.5 0.02 22 232 10526 -61.1 -65.6 55 4.5 -61.2 312 49 322.0 322.0 289.4 322.1 0.02 23 224 10745 -62.3 -66.7 55 4.4 -62.3 312 45 323.4 323.5 289.8 323.5 0.02 24 209 11180 -57.5 -62.2 55 4.7 -57.6 314 36 337.4 337.4 293.7 337.6 0.04 25 200 11460 -56.3 -61.1 55 4.8 -56.4 315 31 343.6 343.6 295.3 343.8 0.05 26 150 13300 -52.5 -59.5 43 7.0 -52.8 315 19 379.6 379.6 302.2 380.0 0.08 27 147 13431 -51.5 -59.5 38 8.0 -51.8 314 19 383.5 383.6 302.9 383.9 0.09 28 100 15930 -51.7 -63.7 22 12.0 -52.3 295 13 427.8 427.9 308.6 428.2 0.07 29 70 18250 -50.7 -65.7 15 15.0 -51.7 170 1 475.9 475.9 313.2 476.4 0.08 30 50 20440 -49.9 -67.9 10 18.0 -51.4 140 3 525.9 525.9 316.7 526.4 0.08 31 31 23549 -52.3 -71.3 8 19.0 -54.2 596.4 596.5 320.5 597.0 0.08 32 30 23763 -49.7 -69.7 8 20.0 -52.1 609.1 609.2 321.0 610.0 0.11 TRP 249 10085 -61.9 -66.3 56 4.4 -61.9 310 58 314.4 314.4 286.9 314.5 0.02 WND 253 9986 -61.3 -65.6 57 4.3 -61.4 310 60 313.8 313.8 286.7 313.9 0.02 Sounding variables and indices 1000-500 mb thick: 5296.00 m Freezing level: 949.86 mb = 541.13 m = 1775.34 ft Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 55.76 % Est. max temperature: 2.79 C = 37.03 F Sfc-Lift cond lev (LCL): 815.33 mb = 1733.39 m = 5686.92 ft T: -11.53 C 700-500 lapse rate: 5.09 C/km ThetaE index: 2.14 C Layer 925.0- 781.0 mb Conv cond level (CCL): 576.34 mb = 4369.99 m = 14337.05 ft Mean mixing ratio: 1.59 g/kg Conv temperature: 23.95 C = 75.11 F Cap Strength: 17.87 C Lifted Index: 18.22 C Risk: None Lifted Index @300 mb: 18.96 C Lifted Index @700 mb: 9.87 C Showalter Index: 18.98 C Risk: None Total Totals Index: 23.60 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 7.80 C K Index: -10.70 Risk: None Sweat Index: 224.10 Risk: None Energy Index: 5.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.36 J/kg Max Up Vert Vel: 0.85 m/s Conv Inhibition (B-): 44924.67 J/kg Cap Strength: 18.02 C Lift Cond Lev (LCL): 785.52 mb = 2018.95 m = 6623.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 20 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 ---------------------------------------------------------- 0 983 263 175 5 -0.4 5.0 | 123 23 -19.2 12.7 1 925 750 190 21 3.6 20.7 | 152 32 -15.1 28.4 2 850 1414 195 19 4.9 18.4 | 152 30 -13.8 26.1 3 700 2903 245 23 20.8 9.7 | 187 18 2.1 17.4 4 500 5420 295 38 34.4 -16.1 | 298 18 15.7 -8.3 5 400 7010 295 46 41.7 -19.4 | 297 26 22.9 -11.7 6 300 8920 305 54 44.2 -31.0 | 312 34 25.5 -23.3 7 253 9986 310 60 46.0 -38.6 | 319 41 27.2 -30.8 8 250 10060 310 58 44.4 -37.3 | 319 39 25.7 -29.6 9 249 10085 310 58 44.4 -37.3 | 319 39 25.7 -29.6 10 200 11460 315 31 21.9 -21.9 | 347 15 3.2 -14.2 11 150 13300 315 19 13.4 -13.4 | 43 8 -5.3 -5.7 12 100 15930 295 13 11.8 -5.5 | 108 7 -7.0 2.2 13 70 18250 170 1 -0.2 1.0 | 115 21 -18.9 8.7 14 50 20440 140 3 -1.9 2.3 | 116 23 -20.7 10.0 Wind Parameters Mean winds (0-6000m): 262.4 at 27.0 knts Storm direction: 292.4 at 20.3 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 75.0 deg Storm rel helicity (0-3000m) pos: 206.9 neg: -0.2 tot: 206.7 m^2/s^2 ave: 68.9 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 95.59 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 ------------------------------------------------------------------------------- 500 187 13 141 27| 16.7 0.0 16.7| 99.2 0.0 99.2 198.4 0.83| 16.8 14.0 1000 190 17 147 29| 7.6 0.0 7.6| 99.7 -0.0 99.7 99.7 0.74| 9.5 7.0 1500 193 18 149 29| 5.5 0.0 5.5|125.7 -0.2 125.5 83.7 0.74| 7.9 5.9 2000 200 18 153 28| 4.7 0.0 4.7|158.5 -0.2 158.3 79.1 0.75| 7.5 5.6 2500 207 19 158 27| 4.3 0.0 4.3|185.1 -0.2 184.9 74.0 0.75| 7.4 5.5 3000 215 20 163 25| 4.2 0.0 4.2|206.9 -0.2 206.7 68.9 0.76| 7.1 5.4 4000 231 22 175 21| 4.1 0.0 4.1|250.6 -0.2 250.5 62.6 0.81| 6.8 5.5 5000 249 24 194 17| 4.1 0.0 4.1|301.1 -0.2 300.9 60.2 0.84| 6.8 5.7 6000 262 27 215 14| 3.6 0.2 3.9|310.3 -1.2 309.1 51.5 0.79| 6.2 4.9 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250423.12.gif