UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 24 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1010 96 -3.3 -6.4 79 3.1 -4.3 0 0 269.1 269.5 268.3 275.4 2.34 1 1000 175 -2.1 -8.1 63 6.0 -4.0 65 3 271.0 271.4 269.1 276.7 2.07 2 945 628 1.2 -11.8 37 13.0 -2.9 159 22 278.8 279.1 273.2 283.5 1.64 3 925 800 0.4 -14.6 31 15.0 -4.0 195 29 279.7 279.9 273.2 283.6 1.33 4 869 1296 -3.5 -16.5 36 13.0 -7.0 202 25 280.7 280.9 273.6 284.3 1.21 5 850 1470 -4.1 -18.1 33 14.0 -7.8 205 23 281.9 282.0 274.0 285.1 1.08 6 768 2267 -6.1 -38.1 6 32.0 -11.2 226 25 288.0 288.0 275.9 288.6 0.19 7 730 2662 -7.5 -30.5 14 23.0 -11.9 236 26 290.7 290.7 277.7 292.0 0.41 8 700 2988 -9.1 -25.1 26 16.0 -12.6 245 27 292.4 292.5 278.9 294.7 0.71 9 637 3713 -12.9 -19.9 56 7.0 -14.6 255 33 296.1 296.3 281.3 300.0 1.24 10 620 3920 -10.9 -14.6 74 3.7 -12.1 258 35 300.7 301.0 284.1 306.9 1.99 11 573 4522 -14.9 -17.6 80 2.7 -15.6 266 39 302.8 303.1 284.6 308.2 1.67 12 500 5540 -21.9 -27.9 58 6.0 -23.0 280 48 306.3 306.5 284.9 308.9 0.77 13 496 5599 -22.3 -28.3 58 6.0 -23.4 280 48 306.6 306.7 284.9 309.1 0.75 14 400 7140 -35.3 -39.8 63 4.5 -35.7 280 54 309.1 309.2 285.4 310.2 0.30 15 306 8941 -50.3 -56.3 49 6.0 -50.5 285 67 312.7 312.7 286.4 312.9 0.06 16 300 9070 -51.1 -57.1 49 6.0 -51.2 285 68 313.3 313.3 286.6 313.5 0.06 17 250 10230 -59.9 -65.9 45 6.0 -60.0 290 73 317.0 317.0 287.8 317.1 0.02 18 248 10280 -60.3 -66.3 45 6.0 -60.4 290 73 317.1 317.2 287.8 317.2 0.02 19 228 10799 -62.9 -68.9 44 6.0 -63.0 290 71 320.9 320.9 289.0 321.0 0.02 20 200 11610 -58.9 -64.9 46 6.0 -59.0 290 54 339.5 339.5 294.2 339.6 0.03 21 193 11835 -56.1 -62.1 47 6.0 -56.2 290 52 347.4 347.5 296.1 347.6 0.05 22 158 13115 -52.9 -59.9 42 7.0 -53.2 290 38 373.3 373.4 301.2 373.7 0.08 23 150 13450 -53.3 -60.3 42 7.0 -53.5 290 35 378.2 378.3 302.0 378.6 0.08 24 100 16050 -54.9 -65.9 24 11.0 -55.3 300 27 421.7 421.7 307.9 421.9 0.05 25 93 16512 -56.5 -68.5 21 12.0 -56.9 298 24 427.3 427.3 308.6 427.6 0.04 26 70 18320 -55.1 -69.1 16 14.0 -55.7 290 13 466.5 466.5 312.4 466.8 0.05 27 58 19523 -54.3 -70.3 12 16.0 -55.2 307 14 494.1 494.1 314.5 494.4 0.05 28 50 20470 -56.5 -74.5 9 18.0 -57.3 320 15 510.3 510.3 315.7 510.5 0.03 29 45 21137 -57.7 -76.7 7 19.0 -58.5 523.0 523.0 316.5 523.2 0.02 TRP 228 10799 -62.9 -68.9 44 6.0 -63.0 290 71 320.9 320.9 289.0 321.0 0.02 WND 250 10230 -59.9 -65.9 45 6.0 -60.0 290 73 317.0 317.0 287.8 317.1 0.02 Sounding variables and indices 1000-500 mb thick: 5365.00 m Freezing level: Surface below freezing Freezing level: 965.00 mb = 463.24 m = 1519.81 ft Freezing level: 919.26 mb = 850.86 m = 2791.51 ft Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 44.85 % Est. max temperature: 8.89 C = 48.01 F Sfc-Lift cond lev (LCL): 961.80 mb = 486.88 m = 1597.37 ft T: 0.17 C 700-500 lapse rate: 5.02 C/km ThetaE index: 0.00 C Layer 1010.0- 0.1 mb Conv cond level (CCL): 540.06 mb = 4964.22 m = 16286.61 ft Mean mixing ratio: 1.73 g/kg Conv temperature: 32.10 C = 89.77 F Cap Strength: 19.53 C Lifted Index: 21.21 C Risk: None Lifted Index @300 mb: 22.88 C Lifted Index @700 mb: 12.79 C Showalter Index: 18.07 C Risk: None Total Totals Index: 21.60 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 3.80 C K Index: -16.30 Risk: None Sweat Index: 239.74 Risk: None Energy Index: 5.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.15 J/kg Max Up Vert Vel: 8.62 m/s Conv Inhibition (B-): 35851.95 J/kg Cap Strength: 21.16 C Lift Cond Lev (LCL): 811.29 mb = 1835.94 m = 6023.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 24 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 1010 96 0 0 -0.0 -0.0 | 103 24 -23.1 5.2 1 1000 175 65 3 -2.7 -1.3 | 99 26 -25.8 4.0 2 925 800 195 29 7.5 28.0 | 155 37 -15.6 33.2 3 850 1470 205 23 9.7 20.8 | 153 29 -13.4 26.1 4 700 2988 245 27 24.5 11.4 | 185 17 1.4 16.6 5 500 5540 280 48 47.3 -8.3 | 277 24 24.2 -3.1 6 400 7140 280 54 53.2 -9.4 | 278 30 30.1 -4.2 7 300 9070 285 68 65.7 -17.6 | 286 44 42.6 -12.4 8 250 10230 290 73 68.6 -25.0 | 293 50 45.5 -19.7 9 228 10799 290 71 66.7 -24.3 | 294 48 43.6 -19.1 10 200 11610 290 54 50.7 -18.5 | 296 31 27.7 -13.2 11 150 13450 290 35 32.9 -12.0 | 305 12 9.8 -6.7 12 100 16050 300 27 23.4 -13.5 | 358 8 0.3 -8.3 13 70 18320 290 13 12.2 -4.4 | 94 11 -10.9 0.8 14 50 20470 320 15 9.6 -11.5 | 65 15 -13.4 -6.3 Wind Parameters Mean winds (0-6000m): 252.8 at 31.6 knts Storm direction: 282.8 at 23.7 knts Shear (0-3000m) pos: 4.8 neg: 0.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 85.9 deg Storm rel helicity (0-3000m) pos: 456.2 neg: -20.7 tot: 435.5 m^2/s^2 ave: 145.2 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 8.3 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 0.21 Bulk Shear: 174.14 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 ------------------------------------------------------------------------------- 500 143 10 114 32| 21.1 0.0 21.1|174.1 -13.4 160.7 321.4 0.56| 29.2 16.2 1000 193 18 141 30| 13.6 0.0 13.6|374.5 -15.1 359.4 359.4 0.68| 26.6 18.2 1500 197 20 145 30| 8.0 0.0 8.0|381.1 -20.7 360.3 240.2 0.62| 19.6 12.2 2000 202 21 149 29| 6.3 0.0 6.3|410.7 -20.7 389.9 195.0 0.63| 16.1 10.2 2500 209 22 153 28| 5.3 0.0 5.3|435.3 -20.7 414.5 165.8 0.64| 14.1 9.0 3000 215 23 158 26| 4.8 0.0 4.8|456.2 -20.7 435.5 145.2 0.65| 12.8 8.3 4000 228 25 168 22| 4.6 0.0 4.6|504.9 -20.7 484.1 121.0 0.69| 11.1 7.6 5000 241 28 185 19| 4.6 0.0 4.6|563.6 -20.7 542.9 108.6 0.72| 10.1 7.3 6000 253 32 206 16| 4.1 0.2 4.3|596.0 -20.7 575.3 95.9 0.72| 9.2 6.6 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250424.00.gif