UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 18 OCT 25 Station: U0046 WMO ident: 20046 Latitude: 80.62 Longitude: 58.05 ------------------------------------------------------------------------------- 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 -189 SFC 973 30 0.0 -0.8 94 0.8 -0.3 110 7 275.3 275.9 274.2 285.4 3.70 2 956 172 1.0 -0.1 92 1.1 0.5 127 9 277.7 278.4 275.9 288.6 3.97 3 925 436 0.0 -2.0 86 2.0 -0.8 160 13 279.3 279.9 276.3 289.2 3.56 4 850 1107 -5.3 -6.5 91 1.2 -5.7 175 19 280.6 281.1 275.8 288.4 2.76 5 700 2601 -15.1 -17.1 85 2.0 -15.6 190 17 285.8 286.0 276.7 290.0 1.43 6 686 2753 -16.1 -17.6 88 1.5 -16.4 191 17 286.3 286.5 276.9 290.5 1.40 7 500 5040 -35.3 -38.3 74 3.0 -35.5 200 15 290.0 290.0 277.1 290.9 0.28 8 456 5675 -40.5 -43.2 75 2.7 -40.6 196 14 291.2 291.3 277.6 291.9 0.18 9 446 5827 -40.5 -43.1 76 2.6 -40.6 195 14 293.1 293.1 278.5 293.7 0.19 10 400 6560 -46.1 -49.1 71 3.0 -46.2 190 13 295.1 295.1 279.3 295.5 0.11 11 378 6935 -48.3 -51.2 72 2.9 -48.4 225 17 297.0 297.0 280.1 297.3 0.09 12 357 7314 -46.3 -49.1 73 2.8 -46.4 218 18 304.6 304.6 283.4 305.0 0.12 13 310 8259 -43.7 -48.1 62 4.4 -43.9 199 22 320.7 320.8 289.2 321.3 0.16 14 300 8480 -43.7 -48.7 58 5.0 -44.0 195 23 323.8 323.8 290.1 324.4 0.15 15 250 9700 -43.5 -52.5 36 9.0 -44.0 190 27 341.4 341.4 294.8 341.9 0.12 16 227 10350 -43.9 -54.9 29 11.0 -44.5 194 25 350.3 350.4 296.8 350.8 0.10 17 200 11200 -45.1 -58.1 22 13.0 -45.7 200 23 361.4 361.4 299.0 361.7 0.07 18 154 12928 -49.5 -64.5 16 15.0 -50.1 218 16 381.9 381.9 302.6 382.1 0.04 19 150 13100 -49.5 -64.5 16 15.0 -50.1 220 15 384.8 384.8 303.1 385.0 0.04 20 128 14136 -50.5 -66.5 13 16.0 -51.1 212 17 400.8 400.8 305.3 401.0 0.04 21 125 14291 -49.9 -65.9 14 16.0 -50.5 211 17 404.6 404.7 305.9 404.9 0.04 22 107 15296 -54.5 -70.5 12 16.0 -55.0 203 18 414.3 414.3 307.0 414.5 0.03 23 100 15730 -53.9 -69.9 12 16.0 -54.4 200 19 423.6 423.6 308.2 423.7 0.03 24 91 16334 -55.1 -71.1 12 16.0 -55.6 201 17 432.8 432.8 309.1 432.9 0.03 25 70 18000 -57.9 -73.9 11 16.0 -58.4 205 13 460.5 460.5 311.8 460.7 0.02 26 53 19738 -61.1 -77.1 10 16.0 -61.5 246 5 491.2 491.2 314.3 491.4 0.02 27 50 20100 -60.3 -76.3 11 16.0 -60.8 255 3 501.4 501.4 315.1 501.5 0.02 28 48 20355 -59.7 -75.7 11 16.0 -60.3 251 4 508.7 508.7 315.5 508.9 0.03 29 41 21330 -64.7 -79.7 11 15.0 -65.1 236 7 519.7 519.7 316.3 519.8 0.02 30 37 21959 -63.3 -78.3 11 15.0 -63.8 226 9 538.8 538.8 317.5 538.9 0.02 31 30 23250 -63.1 -78.1 11 15.0 -63.7 205 13 572.6 572.6 319.3 572.8 0.03 32 23 24877 -65.3 -80.3 11 15.0 -65.8 241 16 611.4 611.4 321.1 611.6 0.03 33 20 25730 -64.7 -79.7 11 15.0 -65.4 260 17 638.1 638.1 322.2 638.4 0.03 34 16 27092 -64.9 -79.9 11 15.0 -65.7 679.5 679.5 323.7 679.9 0.04 TRP 378 6935 -48.3 -51.2 72 2.9 -48.4 225 17 297.0 297.0 280.1 297.3 0.09 WND Sounding variables and indices 1000-500 mb thick: 5229.00 m Freezing level: 925.00 mb = 436.00 m = 1430.43 ft Wetbulb zero: Below ground Precipitable water: 0.38 inches Sfc-500 mean rel hum: 84.95 % Est. max temperature: 6.13 C = 43.03 F Sfc-Lift cond lev (LCL): 960.90 mb = 130.52 m = 428.20 ft T: 0.71 C 700-500 lapse rate: 8.28 C/km ThetaE index: 0.82 C Layer 850.0- 700.0 mb Conv cond level (CCL): 884.72 mb = 789.34 m = 2589.66 ft Mean mixing ratio: 3.52 g/kg Conv temperature: 4.66 C = 40.39 F Cap Strength: 1.63 C Lifted Index: 1.95 C Risk: Showers probable Lifted Index @300 mb: 24.95 C Lifted Index @700 mb: 1.43 C Showalter Index: 2.12 C Risk: Showers probable Total Totals Index: 58.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.00 C Cross Totals Index: 28.80 C K Index: 21.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 249.00 Risk: None Energy Index: 0.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.98 J/kg Max Up Vert Vel: 5.47 m/s Conv Inhibition (B-): 52728.79 J/kg Cap Strength: 1.97 C Lift Cond Lev (LCL): 900.17 mb = 651.91 m = 2138.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 217 at 12 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 ---------------------------------------------------------- 0 973 30 110 7 -6.6 2.4 | 63 15 -13.7 -7.1 1 925 436 160 13 -4.4 12.2 | 103 12 -11.6 2.8 2 850 1107 175 19 -1.7 18.9 | 137 13 -8.8 9.5 3 700 2601 190 17 3.0 16.7 | 150 8 -4.2 7.3 4 500 5040 200 15 5.1 14.1 | 156 5 -2.0 4.6 5 400 6560 190 13 2.3 12.8 | 124 6 -4.9 3.3 6 378 6935 225 17 12.0 12.0 | 242 5 4.9 2.6 7 300 8480 195 23 6.0 22.2 | 175 13 -1.2 12.8 8 250 9700 190 27 4.7 26.6 | 172 17 -2.5 17.1 9 200 11200 200 23 7.9 21.6 | 183 12 0.7 12.2 10 150 13100 220 15 9.6 11.5 | 231 3 2.5 2.0 11 100 15730 200 19 6.5 17.9 | 175 8 -0.7 8.4 12 70 18000 205 13 5.5 11.8 | 144 3 -1.7 2.3 13 50 20100 255 3 2.9 0.8 | 26 10 -4.3 -8.7 14 30 23250 205 13 5.5 11.8 | 144 3 -1.7 2.3 15 20 25730 260 17 16.7 3.0 | 304 12 9.6 -6.5 Wind Parameters Mean winds (0-6000m): 187.1 at 15.8 knts Storm direction: 217.1 at 11.9 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 88.4 deg Storm rel helicity (0-3000m) pos: 67.5 neg: 0.0 tot: 67.5 m^2/s^2 ave: 22.5 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.08 Bulk Shear: 13.81 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 ------------------------------------------------------------------------------- 500 147 11 88 13| 11.3 0.0 11.3| 39.8 0.0 39.8 79.6 0.94| 11.9 11.2 1000 161 13 105 12| 8.4 0.0 8.4| 57.4 0.0 57.4 57.4 0.96| 8.8 8.4 1500 168 15 117 12| 5.9 0.0 5.9| 62.8 0.0 62.8 41.8 0.93| 6.6 6.1 2000 172 16 123 11| 4.4 0.0 4.4| 65.1 0.0 65.1 32.5 0.89| 5.4 4.8 2500 175 16 128 11| 3.5 0.0 3.5| 66.9 0.0 66.9 26.8 0.86| 4.7 4.0 3000 178 16 131 10| 2.9 0.0 2.9| 67.5 0.0 67.5 22.5 0.84| 4.0 3.4 4000 182 16 136 10| 2.2 0.0 2.2| 68.1 0.0 68.1 17.0 0.80| 3.2 2.6 5000 185 16 139 9| 1.7 0.0 1.7| 68.5 0.0 68.5 13.7 0.77| 2.7 2.1 6000 187 16 140 8| 1.4 0.2 1.6| 68.5 -2.8 65.7 11.0 0.64| 2.4 1.6 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251018.00.gif