UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 30 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 ------------------------------------------------------------------------------- 0 1000 45 255 5 SFC 994 94 6.4 -3.6 49 10.0 2.3 255 5 280.0 280.5 275.8 288.3 2.94 2 972 278 6.6 -4.4 45 11.0 2.1 255 9 282.0 282.5 276.7 290.1 2.83 3 925 682 2.8 -7.2 48 10.0 -0.9 255 19 282.2 282.6 276.2 289.1 2.40 4 850 1359 -3.3 -8.2 69 4.9 -5.0 270 27 282.7 283.1 276.5 289.6 2.42 5 824 1604 -5.5 -8.7 78 3.2 -6.6 272 27 282.9 283.3 276.6 289.8 2.40 6 758 2254 -8.9 -10.6 87 1.7 -9.4 276 28 286.0 286.4 277.9 292.6 2.25 7 734 2502 -10.5 -12.2 87 1.7 -11.0 278 29 286.9 287.3 278.1 293.0 2.04 8 723 2618 -11.7 -14.2 82 2.5 -12.4 278 29 286.9 287.2 277.7 292.1 1.76 9 704 2822 -11.7 -17.7 61 6.0 -13.2 280 29 289.1 289.3 278.2 293.2 1.35 10 700 2866 -11.5 -17.5 61 6.0 -13.0 280 29 289.7 290.0 278.6 293.9 1.38 11 512 5190 -26.9 -32.9 57 6.0 -27.7 266 33 298.2 298.3 281.2 299.8 0.47 12 500 5360 -28.3 -34.3 56 6.0 -29.0 265 33 298.5 298.6 281.3 299.9 0.42 13 400 6920 -40.3 -45.3 59 5.0 -40.6 270 42 302.6 302.6 282.7 303.2 0.17 14 388 7127 -41.5 -46.5 58 5.0 -41.8 271 43 303.7 303.7 283.1 304.2 0.15 15 300 8820 -55.9 -60.9 53 5.0 -56.0 275 50 306.6 306.6 284.1 306.7 0.04 16 298 8862 -56.3 -61.3 53 5.0 -56.4 275 50 306.6 306.6 284.1 306.7 0.03 17 280 9253 -59.1 -64.1 52 5.0 -59.2 275 52 308.1 308.1 284.6 308.1 0.02 18 267 9551 -55.7 -60.7 54 5.0 -55.8 275 49 317.2 317.2 287.9 317.4 0.04 19 250 9970 -52.9 -58.9 48 6.0 -53.1 275 46 327.4 327.4 291.0 327.6 0.05 20 226 10628 -49.9 -54.9 56 5.0 -50.1 268 39 341.6 341.6 294.8 342.0 0.10 21 200 11430 -49.5 -55.5 49 6.0 -49.8 260 31 354.4 354.4 297.7 354.8 0.10 22 170 12495 -50.1 -58.1 38 8.0 -50.4 257 31 370.2 370.3 300.7 370.6 0.09 23 152 13232 -46.9 -56.9 31 10.0 -47.5 255 31 387.8 387.8 303.5 388.3 0.11 24 150 13320 -47.1 -57.1 31 10.0 -47.7 255 31 388.9 388.9 303.7 389.4 0.11 25 112 15238 -49.3 -63.3 18 14.0 -50.0 237 31 418.7 418.7 307.6 419.0 0.07 26 100 15980 -48.5 -63.5 16 15.0 -49.4 230 31 434.0 434.0 309.3 434.4 0.07 27 83 17207 -46.7 -63.7 13 17.0 -48.0 240 24 461.4 461.5 312.0 461.9 0.09 28 70 18330 -48.3 -66.3 11 18.0 -49.7 250 17 481.1 481.1 313.5 481.5 0.07 29 52 20275 -52.1 -72.1 7 20.0 -53.4 201 15 514.9 514.9 316.0 515.2 0.04 30 50 20530 -51.5 -71.5 7 20.0 -52.9 195 15 522.1 522.1 316.5 522.4 0.05 31 30 23840 -51.5 -74.5 5 23.0 -53.7 205 5 604.2 604.3 320.8 604.6 0.05 32 22 25858 -52.1 -76.1 4 24.0 -54.7 213 7 658.5 658.5 323.0 659.0 0.06 33 20 26480 -49.7 -74.7 4 25.0 -53.2 215 7 684.0 684.1 323.9 684.7 0.08 34 18 27171 -48.5 -73.5 4 25.0 -52.6 708.8 708.8 324.7 709.6 0.10 TRP 280 9253 -59.1 -64.1 52 5.0 -59.2 275 52 308.1 308.1 284.6 308.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5315.00 m Freezing level: 890.57 mb = 992.75 m = 3257.03 ft Wetbulb zero: 939.16 mb = 558.19 m = 1831.32 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 63.43 % Est. max temperature: 9.10 C = 48.38 F Sfc-Lift cond lev (LCL): 852.00 mb = 1340.15 m = 4396.77 ft T: -3.13 C 700-500 lapse rate: 6.74 C/km ThetaE index: 1.03 C Layer 925.0- 850.0 mb Conv cond level (CCL): 762.38 mb = 2209.18 m = 7247.88 ft Mean mixing ratio: 2.61 g/kg Conv temperature: 12.19 C = 53.94 F Cap Strength: 8.30 C Lifted Index: 8.42 C Risk: None Lifted Index @300 mb: 12.22 C Lifted Index @700 mb: 4.53 C Showalter Index: 8.18 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 20.10 C K Index: 10.80 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 2.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.80 J/kg Max Up Vert Vel: 3.41 m/s Conv Inhibition (B-): 49352.83 J/kg Cap Strength: 8.36 C Lift Cond Lev (LCL): 807.52 mb = 1761.03 m = 5777.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 301 at 21 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 ---------------------------------------------------------- 0 994 94 255 5 4.8 1.3 | 132 18 -13.4 12.0 1 925 682 255 19 18.4 4.9 | 181 16 0.1 15.6 2 850 1359 270 27 27.0 -0.0 | 219 14 8.8 10.7 3 700 2866 280 29 28.6 -5.0 | 241 12 10.4 5.7 4 500 5360 265 33 32.9 2.9 | 227 20 14.7 13.6 5 400 6920 270 42 42.0 -0.0 | 246 26 23.8 10.7 6 300 8820 275 50 49.8 -4.4 | 259 32 31.6 6.4 7 280 9253 275 52 51.8 -4.5 | 260 34 33.6 6.2 8 250 9970 275 46 45.8 -4.0 | 256 28 27.6 6.7 9 200 11430 260 31 30.5 5.4 | 217 20 12.3 16.1 10 150 13320 255 31 29.9 8.0 | 212 22 11.7 18.8 11 100 15980 230 31 23.7 19.9 | 190 31 5.5 30.7 12 70 18330 250 17 16.0 5.8 | 172 17 -2.2 16.5 13 50 20530 195 15 3.9 14.5 | 150 29 -14.3 25.2 14 30 23840 205 5 2.1 4.5 | 133 22 -16.1 15.3 15 20 26480 215 7 4.0 5.7 | 139 22 -14.2 16.5 Wind Parameters Mean winds (0-6000m): 270.5 at 28.2 knts Storm direction: 300.5 at 21.1 knts Shear (0-3000m) pos: 2.6 neg: 2.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 107.8 deg Storm rel helicity (0-3000m) pos: 109.9 neg: -0.9 tot: 109.0 m^2/s^2 ave: 36.3 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 4.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 42.38 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 ------------------------------------------------------------------------------- 500 255 11 151 16| 0.0 12.3 12.3| 47.5 0.0 47.5 95.0 0.95| 12.3 11.7 1000 258 16 169 14| 3.9 6.1 10.1| 78.6 0.0 78.6 78.6 0.96| 10.3 9.9 1500 263 19 184 13| 4.2 4.1 8.2| 96.2 0.0 96.2 64.1 0.96| 8.5 8.2 2000 266 21 195 12| 3.4 3.1 6.5|101.7 0.0 101.7 50.8 0.96| 6.8 6.6 2500 269 23 203 12| 3.0 2.5 5.5|107.1 0.0 107.1 42.8 0.96| 5.8 5.6 3000 271 24 209 12| 2.6 2.0 4.7|109.9 -0.9 109.0 36.3 0.93| 5.1 4.8 4000 272 25 217 12| 2.0 1.9 3.9|109.9 -6.4 103.5 25.9 0.79| 4.3 3.4 5000 272 27 221 13| 1.6 1.8 3.4|109.9 -13.8 96.1 19.2 0.66| 3.8 2.5 6000 271 28 224 14| 1.6 1.7 3.2|129.4 -15.6 113.8 19.0 0.65| 3.6 2.4 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250430.00.gif