UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 29 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 171 SFC 989 263 9.2 -11.8 21 21.0 1.8 145 3 283.2 283.5 275.5 287.8 1.56 2 925 811 3.8 -14.2 25 18.0 -1.9 160 9 283.2 283.4 275.2 287.3 1.37 3 850 1489 -2.7 -16.7 33 14.0 -6.6 215 11 283.3 283.5 275.0 286.9 1.22 4 841 1573 -3.3 -16.3 36 13.0 -7.0 224 11 283.6 283.8 275.3 287.3 1.27 5 839 1592 -3.3 -16.3 36 13.0 -7.0 226 11 283.7 284.0 275.4 287.5 1.27 6 828 1697 -2.1 -19.1 26 17.0 -6.7 237 11 286.1 286.3 276.2 289.2 1.02 7 782 2151 -2.3 -34.3 7 32.0 -8.4 284 10 290.6 290.6 277.4 291.5 0.27 8 750 2483 -1.5 -12.5 43 11.0 -5.3 318 10 294.9 295.3 281.7 300.9 1.95 9 700 3031 -2.3 -28.3 12 26.0 -8.5 15 9 299.9 300.0 282.0 301.7 0.53 10 692 3122 -2.7 -28.7 11 26.0 -8.8 15 9 300.5 300.6 282.3 302.2 0.52 11 688 3168 -2.7 -28.7 11 26.0 -8.8 16 9 301.0 301.1 282.5 302.7 0.52 12 522 5290 -18.3 -40.3 13 22.0 -21.2 24 11 306.9 307.0 284.4 307.7 0.22 13 500 5610 -20.9 -40.9 15 20.0 -23.4 25 11 307.6 307.6 284.7 308.3 0.21 14 439 6553 -28.9 -40.9 31 12.0 -30.1 2 13 309.1 309.1 285.3 310.0 0.24 15 400 7210 -33.7 -45.7 29 12.0 -34.6 345 15 311.2 311.2 285.9 311.8 0.16 16 300 9160 -50.3 -64.3 18 14.0 -50.5 340 15 314.5 314.5 286.9 314.5 0.02 17 268 9883 -56.9 -69.9 18 13.0 -57.1 343 26 315.1 315.1 287.2 315.2 0.01 18 262 10026 -57.7 -70.7 18 13.0 -57.8 344 28 316.0 316.0 287.5 316.1 0.01 19 250 10320 -59.5 -72.5 17 13.0 -59.6 345 33 317.6 317.6 288.0 317.6 0.01 20 229 10865 -62.7 -74.7 18 12.0 -62.8 355 36 320.8 320.8 289.0 320.8 0.01 21 226 10946 -61.5 -74.5 16 13.0 -61.6 352 36 323.8 323.9 289.9 323.9 0.01 22 206 11524 -58.9 -70.9 20 12.0 -59.0 332 35 336.6 336.6 293.5 336.7 0.01 23 200 11710 -58.1 -70.1 20 12.0 -58.3 325 35 340.8 340.8 294.5 340.8 0.02 24 155 13339 -53.7 -67.7 16 14.0 -54.1 329 31 374.0 374.0 301.3 374.2 0.03 25 150 13550 -54.3 -69.3 14 15.0 -54.6 330 31 376.5 376.5 301.7 376.6 0.02 26 100 16140 -55.7 -73.7 9 18.0 -56.2 340 23 420.1 420.1 307.7 420.2 0.02 27 80 17559 -55.1 -75.1 7 20.0 -55.7 346 19 449.0 449.0 310.8 449.1 0.02 28 70 18410 -54.7 -74.7 7 20.0 -55.4 350 17 467.4 467.4 312.4 467.5 0.02 29 50 20580 -52.5 -74.5 5 22.0 -53.8 355 11 519.8 519.8 316.3 520.0 0.03 30 30 23870 -52.5 -76.5 4 24.0 -54.5 45 5 601.5 601.5 320.7 601.8 0.04 31 20 26500 -50.9 -76.9 3 26.0 -54.1 60 5 680.4 680.4 323.8 680.8 0.05 32 18 27186 -50.9 -76.9 3 26.0 -54.3 701.2 701.2 324.5 701.7 0.06 33 15 28380 -48.3 -75.3 3 27.0 -53.0 747.4 747.4 325.9 748.2 0.09 TRP 229 10865 -62.7 -74.7 18 12.0 -62.8 355 36 320.8 320.8 289.0 320.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5439.00 m Freezing level: 881.15 mb = 1207.37 m = 3961.14 ft Wetbulb zero: 957.66 mb = 526.52 m = 1727.39 ft Precipitable water: 0.18 inches Sfc-500 mean rel hum: 18.85 % Est. max temperature: 9.70 C = 49.46 F Sfc-Lift cond lev (LCL): 715.44 mb = 2857.58 m = 9375.16 ft T: -2.05 C 700-500 lapse rate: 7.21 C/km ThetaE index: 0.90 C Layer 925.0- 841.0 mb Conv cond level (CCL): 497.86 mb = 5641.15 m = 18507.49 ft Mean mixing ratio: 1.42 g/kg Conv temperature: 33.49 C = 92.29 F Cap Strength: 17.13 C Lifted Index: 17.28 C Risk: None Lifted Index @300 mb: 19.17 C Lifted Index @700 mb: 15.02 C Showalter Index: 17.63 C Risk: None Total Totals Index: 22.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 4.20 C K Index: -24.50 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 4.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.09 J/kg Max Up Vert Vel: 0.43 m/s Conv Inhibition (B-): 54440.41 J/kg Cap Strength: 17.26 C Lift Cond Lev (LCL): 702.28 mb = 3005.19 m = 9859.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 50 at 7 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 ---------------------------------------------------------- 0 989 263 145 3 -1.7 2.5 | 209 8 4.0 7.2 1 925 811 160 9 -3.1 8.5 | 191 13 2.6 13.2 2 850 1489 215 11 6.3 9.0 | 221 18 12.0 13.7 3 700 3031 15 9 -2.3 -8.7 | 320 5 3.3 -4.0 4 500 5610 25 11 -4.6 -10.0 | 349 5 1.0 -5.2 5 400 7210 345 15 3.9 -14.5 | 316 14 9.6 -9.8 6 300 9160 340 15 5.1 -14.1 | 311 14 10.8 -9.4 7 250 10320 345 33 8.5 -31.9 | 332 31 14.2 -27.1 8 229 10865 355 36 3.1 -35.9 | 344 32 8.8 -31.1 9 200 11710 325 35 20.1 -28.7 | 313 35 25.8 -23.9 10 150 13550 330 31 15.5 -26.8 | 316 31 21.2 -22.1 11 100 16140 340 23 7.9 -21.6 | 321 22 13.5 -16.9 12 70 18410 350 17 3.0 -16.7 | 324 15 8.6 -12.0 13 50 20580 355 11 1.0 -11.0 | 313 9 6.6 -6.2 14 30 23870 45 5 -3.5 -3.5 | 241 2 2.1 1.2 15 20 26500 60 5 -4.3 -2.5 | 211 3 1.3 2.2 Wind Parameters Mean winds (0-6000m): 20.2 at 9.9 knts Storm direction: 50.2 at 7.4 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 113.5 deg Storm rel helicity (0-3000m) pos: 125.7 neg: -7.7 tot: 118.0 m^2/s^2 ave: 39.3 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 27.84 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 ------------------------------------------------------------------------------- 500 156 6 199 10| 5.8 0.0 5.8| 0.0 -7.7 -7.7 -15.3 -0.52| 5.8 -3.0 1000 169 8 199 13| 4.5 0.0 4.5| 20.7 -7.7 13.0 13.0 0.17| 6.4 1.1 1500 190 9 208 15| 3.9 0.0 3.9| 61.5 -7.7 53.8 35.9 0.51| 7.3 3.7 2000 207 9 218 16| 3.3 0.0 3.3| 99.8 -7.7 92.2 46.1 0.64| 7.9 5.0 2500 210 9 219 16| 2.5 0.0 2.5|120.7 -7.7 113.0 45.2 0.66| 8.1 5.3 3000 198 9 212 16| 1.9 0.0 1.9|125.7 -7.7 118.0 39.3 0.65| 7.6 4.9 4000 16 9 324 5| 1.5 0.0 1.5|127.0 -7.7 119.4 29.8 0.66| 5.8 3.8 5000 21 10 332 5| 1.3 0.0 1.3|128.5 -7.7 120.8 24.2 0.67| 4.7 3.2 6000 20 10 333 5| 1.1 0.3 1.4|128.9 -10.9 118.0 19.7 0.59| 4.3 2.5 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250429.12.gif