UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 17 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 51 SFC 974 261 -1.1 -5.9 70 4.8 -2.8 210 3 274.1 274.5 271.8 281.1 2.52 2 925 670 -5.3 -10.3 68 5.0 -6.8 220 21 273.9 274.2 270.6 279.2 1.88 3 904 850 -6.1 -10.3 72 4.2 -7.4 224 19 274.9 275.2 271.3 280.3 1.93 4 850 1331 -7.3 -10.4 78 3.1 -8.2 235 15 278.5 278.8 273.6 284.3 2.03 5 700 2829 -12.3 -15.6 76 3.3 -13.2 275 36 288.9 289.1 278.5 293.7 1.62 6 640 3510 -14.9 -18.9 71 4.0 -15.9 274 40 293.4 293.6 280.3 297.6 1.34 7 610 3872 -16.1 -20.4 69 4.3 -17.1 273 42 296.1 296.3 281.3 300.0 1.24 8 500 5340 -26.1 -32.1 57 6.0 -26.9 270 50 301.2 301.3 282.5 302.9 0.52 9 490 5486 -27.1 -33.1 57 6.0 -27.9 270 50 301.7 301.8 282.7 303.3 0.48 10 400 6920 -38.7 -44.7 53 6.0 -39.1 275 46 304.7 304.7 283.5 305.3 0.18 11 330 8205 -50.3 -56.3 49 6.0 -50.4 282 53 306.0 306.0 283.9 306.2 0.06 12 300 8820 -54.5 -60.5 47 6.0 -54.6 285 56 308.5 308.5 284.8 308.7 0.04 13 273 9418 -58.0 -64.0 46 6.0 -58.1 285 64 311.9 311.9 286.0 312.0 0.03 14 268 9534 -58.7 -64.7 46 6.0 -58.7 285 62 312.5 312.5 286.2 312.6 0.02 15 254 9870 -58.3 -64.3 46 6.0 -58.4 285 54 317.9 318.0 288.1 318.1 0.03 16 250 9970 -58.5 -64.5 46 6.0 -58.6 285 52 319.1 319.1 288.5 319.2 0.03 17 220 10784 -56.3 -63.3 41 7.0 -56.4 285 41 334.4 334.4 292.9 334.5 0.03 18 200 11400 -51.3 -59.3 38 8.0 -51.5 285 33 351.5 351.5 297.0 351.8 0.06 19 196 11531 -50.9 -58.9 38 8.0 -51.2 285 33 354.2 354.2 297.6 354.5 0.07 20 171 12417 -49.7 -59.7 30 10.0 -50.1 285 32 370.3 370.3 300.7 370.6 0.07 21 150 13270 -49.9 -61.9 23 12.0 -50.4 285 31 384.1 384.1 302.9 384.4 0.06 22 133 14052 -51.1 -65.1 17 14.0 -51.6 288 27 395.4 395.4 304.6 395.6 0.05 23 100 15900 -51.9 -67.9 13 16.0 -52.5 295 19 427.4 427.5 308.6 427.7 0.04 24 71 18127 -50.3 -69.3 9 19.0 -51.4 285 27 474.8 474.9 313.1 475.1 0.05 25 70 18220 -50.1 -69.1 9 19.0 -51.2 285 27 477.2 477.2 313.2 477.5 0.05 26 50 20420 -50.7 -70.7 8 20.0 -52.2 285 13 524.0 524.0 316.6 524.4 0.06 27 31 23525 -52.1 -72.1 7 20.0 -54.0 597.0 597.0 320.5 597.5 0.07 TRP 268 9534 -58.7 -64.7 46 6.0 -58.7 285 62 312.5 312.5 286.2 312.6 0.02 WND 273 9418 -58.0 -64.0 46 6.0 -58.1 285 64 311.9 311.9 286.0 312.0 0.03 Sounding variables and indices 1000-500 mb thick: 5289.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 71.09 % Est. max temperature: 4.89 C = 40.79 F Sfc-Lift cond lev (LCL): 903.42 mb = 855.01 m = 2805.13 ft T: -6.11 C 700-500 lapse rate: 5.50 C/km ThetaE index: 1.92 C Layer 925.0- 904.0 mb Conv cond level (CCL): 684.77 mb = 2996.23 m = 9830.04 ft Mean mixing ratio: 2.06 g/kg Conv temperature: 14.65 C = 58.37 F Cap Strength: 14.88 C Lifted Index: 17.47 C Risk: None Lifted Index @300 mb: 19.95 C Lifted Index @700 mb: 10.06 C Showalter Index: 14.49 C Risk: None Total Totals Index: 34.50 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 15.70 C K Index: 5.10 Risk: None Sweat Index: 176.70 Risk: None Energy Index: 3.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.47 J/kg Max Up Vert Vel: 4.79 m/s Conv Inhibition (B-): 43323.98 J/kg Cap Strength: 17.21 C Lift Cond Lev (LCL): 859.70 mb = 1242.39 m = 4076.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 26 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 ---------------------------------------------------------- 0 974 261 210 3 1.5 2.6 | 124 26 -21.8 14.5 1 925 670 220 21 13.5 16.1 | 161 30 -9.8 28.0 2 850 1331 235 15 12.3 8.6 | 152 23 -11.0 20.5 3 700 2829 275 36 35.9 -3.1 | 235 15 12.5 8.8 4 500 5340 270 50 50.0 -0.0 | 246 29 26.7 11.9 5 400 6920 275 46 45.8 -4.0 | 251 24 22.5 7.9 6 300 8820 285 56 54.1 -14.5 | 275 31 30.8 -2.6 7 273 9418 285 64 61.8 -16.6 | 277 39 38.5 -4.7 8 268 9534 285 62 59.9 -16.0 | 276 37 36.6 -4.1 9 250 9970 285 52 50.2 -13.5 | 273 27 26.9 -1.6 10 200 11400 285 33 31.9 -8.5 | 249 9 8.5 3.4 11 150 13270 285 31 29.9 -8.0 | 240 8 6.6 3.9 12 100 15900 295 19 17.2 -8.0 | 122 7 -6.1 3.9 13 70 18220 285 27 26.1 -7.0 | 209 6 2.8 4.9 14 50 20420 285 13 12.6 -3.4 | 128 14 -10.8 8.5 Wind Parameters Mean winds (0-6000m): 267.0 at 34.9 knts Storm direction: 297.0 at 26.2 knts Shear (0-3000m) pos: 6.4 neg: 0.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 115.0 deg Storm rel helicity (0-3000m) pos: 256.1 neg: -21.8 tot: 234.4 m^2/s^2 ave: 78.1 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 7.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.11 Bulk Shear: 101.35 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 ------------------------------------------------------------------------------- 500 219 14 147 27| 17.7 0.0 17.7|125.8 0.0 125.8 251.6 0.93| 19.2 17.9 1000 224 16 152 26| 6.7 0.0 6.7|125.8 -21.1 104.7 104.7 0.59| 12.6 7.4 1500 229 16 154 25| 6.4 0.0 6.4|161.1 -21.8 139.4 92.9 0.64| 10.9 7.0 2000 239 18 160 23| 6.7 0.0 6.7|203.4 -21.8 181.6 90.8 0.70| 10.5 7.4 2500 250 21 170 19| 7.0 0.0 7.0|245.7 -21.8 223.9 89.6 0.76| 10.5 8.0 3000 257 24 179 17| 6.4 0.0 6.4|256.1 -21.8 234.4 78.1 0.75| 9.4 7.1 4000 263 28 196 16| 4.8 0.7 5.5|265.2 -21.8 243.4 60.9 0.71| 7.8 5.5 5000 266 32 211 17| 3.8 1.2 5.0|272.1 -21.8 250.3 50.1 0.66| 6.8 4.5 6000 267 35 220 18| 3.1 1.0 4.1|282.1 -21.8 260.3 43.4 0.65| 6.0 3.9 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250417.00.gif