UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 19 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 -51 SFC 990 29 -1.5 -3.4 87 1.9 -2.2 135 11 272.4 272.9 271.5 280.6 3.00 2 925 566 -5.3 -6.2 93 0.9 -5.6 155 21 273.9 274.3 271.8 281.0 2.60 3 850 1224 -9.9 -10.7 94 0.8 -10.1 170 23 275.8 276.1 271.9 281.4 1.99 4 700 2691 -21.1 -22.0 92 0.9 -21.2 180 23 279.1 279.3 272.2 281.9 0.94 5 694 2754 -21.7 -22.5 93 0.8 -21.8 180 23 279.1 279.3 272.2 281.8 0.90 6 614 3648 -26.5 -27.0 96 0.5 -26.6 184 22 283.6 283.7 274.4 285.7 0.68 7 500 5100 -37.3 -38.6 88 1.3 -37.4 190 21 287.6 287.6 275.9 288.4 0.27 8 485 5310 -39.1 -40.6 86 1.5 -39.2 191 22 287.9 287.9 275.9 288.6 0.23 9 400 6610 -47.3 -49.4 79 2.1 -47.4 195 27 293.5 293.5 278.6 293.9 0.11 10 383 6896 -49.3 -51.4 79 2.1 -49.4 195 27 294.6 294.6 279.0 294.9 0.09 11 337 7727 -52.9 -55.1 77 2.2 -52.9 195 27 300.6 300.6 281.7 300.9 0.06 12 324 7980 -53.1 -55.4 76 2.3 -53.2 193 26 303.7 303.8 283.0 304.0 0.06 13 311 8245 -51.7 -54.1 75 2.4 -51.8 192 26 309.3 309.3 285.1 309.6 0.08 14 300 8480 -48.5 -50.9 76 2.4 -48.6 190 25 317.0 317.0 287.9 317.4 0.12 15 283 8863 -47.1 -49.7 75 2.6 -47.2 187 24 324.3 324.4 290.2 324.9 0.14 16 250 9680 -46.7 -49.8 71 3.1 -46.9 180 23 336.6 336.7 293.6 337.3 0.16 17 228 10294 -44.9 -48.4 68 3.5 -45.2 178 16 348.4 348.4 296.5 349.2 0.21 18 200 11170 -45.7 -49.9 62 4.2 -46.0 175 7 360.4 360.4 299.0 361.3 0.20 19 150 13070 -49.9 -54.9 56 5.0 -50.2 165 13 384.1 384.1 303.0 384.8 0.15 20 144 13336 -50.7 -55.7 55 5.0 -51.0 168 13 387.2 387.2 303.5 387.9 0.14 21 137 13662 -48.5 -54.5 50 6.0 -48.9 172 12 396.6 396.7 304.9 397.5 0.17 22 110 15087 -54.1 -60.1 48 6.0 -54.4 188 10 411.8 411.8 306.8 412.4 0.11 23 105 15386 -53.3 -60.3 42 7.0 -53.7 191 9 418.9 418.9 307.6 419.4 0.11 24 100 15700 -53.5 -60.5 42 7.0 -53.9 195 9 424.4 424.4 308.3 424.9 0.11 25 70 17960 -58.3 -66.3 35 8.0 -58.6 200 9 459.7 459.7 311.8 460.1 0.07 26 50 20060 -62.1 -70.1 34 8.0 -62.4 190 13 497.1 497.2 314.8 497.5 0.06 27 46 20576 -61.7 -69.7 34 8.0 -62.0 203 12 510.1 510.1 315.7 510.5 0.07 28 31 23000 -65.5 -73.5 32 8.0 -65.8 265 9 560.8 560.8 318.7 561.2 0.06 29 30 23200 -65.3 -73.3 32 8.0 -65.6 270 9 566.6 566.6 319.0 567.1 0.06 30 20 25660 -67.1 -75.1 31 8.0 -67.5 180 13 630.8 630.8 322.0 631.3 0.07 31 15 27402 -65.7 -73.7 32 8.0 -66.3 689.5 689.6 324.1 690.5 0.12 TRP 337 7727 -52.9 -55.1 77 2.2 -52.9 195 27 300.6 300.6 281.7 300.9 0.06 WND Sounding variables and indices 1000-500 mb thick: 5151.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 92.64 % Est. max temperature: 2.05 C = 35.69 F Sfc-Lift cond lev (LCL): 960.84 mb = 265.39 m = 870.71 ft T: -3.17 C 700-500 lapse rate: 6.72 C/km Conv cond level (CCL): 912.99 mb = 667.71 m = 2190.64 ft Mean mixing ratio: 2.67 g/kg Conv temperature: 0.24 C = 32.44 F Cap Strength: 3.66 C Lifted Index: 5.92 C Risk: None Lifted Index @300 mb: 25.60 C Lifted Index @700 mb: 0.88 C Showalter Index: 5.57 C Risk: None Total Totals Index: 54.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 26.60 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 167.00 Risk: None Energy Index: 1.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.25 J/kg Max Up Vert Vel: 4.06 m/s Conv Inhibition (B-): 53228.45 J/kg Cap Strength: 5.89 C Lift Cond Lev (LCL): 921.32 mb = 597.02 m = 1958.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 at 16 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 ---------------------------------------------------------- 0 990 29 135 11 -7.8 7.8 | 67 17 -15.8 -6.6 1 925 566 155 21 -8.9 19.0 | 106 17 -16.9 4.7 2 850 1224 170 23 -4.0 22.7 | 125 15 -12.0 8.3 3 700 2691 180 23 0.0 23.0 | 137 12 -8.0 8.7 4 500 5100 190 21 3.6 20.7 | 146 8 -4.3 6.3 5 400 6610 195 27 7.0 26.1 | 175 12 -1.0 11.7 6 337 7727 195 27 7.0 26.1 | 175 12 -1.0 11.7 7 300 8480 190 25 4.3 24.6 | 161 11 -3.6 10.3 8 250 9680 180 23 0.0 23.0 | 137 12 -8.0 8.7 9 200 11170 175 7 -0.6 7.0 | 49 11 -8.6 -7.4 10 150 13070 165 13 -3.4 12.6 | 81 11 -11.3 -1.8 11 100 15700 195 9 2.3 8.7 | 45 8 -5.6 -5.6 12 70 17960 200 9 3.1 8.5 | 40 8 -4.9 -5.9 13 50 20060 190 13 2.3 12.8 | 75 6 -5.7 -1.5 14 30 23200 270 9 9.0 -0.0 | 356 14 1.0 -14.3 15 20 25660 180 13 0.0 13.0 | 80 8 -8.0 -1.3 Wind Parameters Mean winds (0-6000m): 179.1 at 21.9 knts Storm direction: 209.1 at 16.4 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 71.1 deg Storm rel helicity (0-3000m) pos: 85.5 neg: 0.0 tot: 85.5 m^2/s^2 ave: 28.5 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.45 Bulk Shear: 18.53 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 ------------------------------------------------------------------------------- 500 148 16 86 16| 10.8 0.0 10.8| 48.3 0.0 48.3 96.6 1.00| 10.9 10.9 1000 155 19 99 16| 7.2 0.0 7.2| 68.3 0.0 68.3 68.3 0.97| 8.1 7.8 1500 161 20 107 15| 5.4 0.0 5.4| 77.0 0.0 77.0 51.3 0.95| 6.3 6.0 2000 164 21 113 15| 4.2 0.0 4.2| 80.5 0.0 80.5 40.3 0.93| 5.1 4.7 2500 167 21 117 14| 3.5 0.0 3.5| 83.8 0.0 83.8 33.5 0.92| 4.3 4.0 3000 170 22 120 14| 2.9 0.0 2.9| 85.5 0.0 85.5 28.5 0.90| 3.8 3.4 4000 173 22 124 13| 2.2 0.0 2.2| 87.1 0.0 87.1 21.8 0.86| 3.1 2.6 5000 176 22 128 12| 1.8 0.0 1.8| 88.4 0.0 88.4 17.7 0.82| 2.6 2.2 6000 179 22 132 11| 1.8 0.0 1.8| 95.6 0.0 95.6 15.9 0.82| 2.5 2.1 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251019.00.gif