UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 21 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 ------------------------------------------------------------------------------- SFC 1000 31 -1.3 -2.7 90 1.4 -1.8 135 5 271.9 272.4 271.3 280.3 3.13 1 983 167 -1.1 -3.8 82 2.7 -2.1 128 6 273.4 273.9 271.9 281.4 2.93 2 925 648 -4.7 -8.2 76 3.5 -5.8 105 9 274.5 274.9 271.5 280.7 2.22 3 888 967 -7.7 -9.7 86 2.0 -8.3 105 9 274.6 275.0 271.4 280.4 2.06 4 878 1055 -6.5 -8.9 83 2.4 -7.2 105 9 276.8 277.1 272.9 283.0 2.22 5 850 1308 -7.9 -13.9 62 6.0 -9.5 105 9 277.9 278.1 272.5 282.3 1.53 6 822 1568 -8.9 -18.9 44 10.0 -11.2 122 8 279.5 279.7 272.6 282.6 1.04 7 700 2789 -18.1 -27.1 45 9.0 -19.6 205 3 282.4 282.5 273.6 284.3 0.59 8 676 3049 -20.1 -28.1 49 8.0 -21.3 207 4 283.0 283.1 273.9 284.8 0.56 9 500 5210 -37.1 -45.1 43 8.0 -37.5 225 17 287.8 287.8 275.7 288.3 0.14 10 476 5547 -40.1 -48.1 42 8.0 -40.4 225 20 288.2 288.2 275.9 288.5 0.10 11 400 6710 -47.9 -54.9 44 7.0 -48.1 225 29 292.7 292.7 278.1 292.9 0.06 12 321 8132 -56.9 -62.9 47 6.0 -57.0 220 35 299.3 299.3 281.1 299.4 0.03 13 305 8455 -56.9 -62.9 47 6.0 -57.0 205 33 303.7 303.7 282.9 303.8 0.03 14 300 8560 -56.9 -62.9 47 6.0 -57.0 200 33 305.1 305.1 283.5 305.2 0.03 15 261 9451 -51.3 -57.3 49 6.0 -51.5 185 19 325.8 325.8 290.6 326.0 0.06 16 258 9526 -51.1 -57.1 49 6.0 -51.2 183 18 327.1 327.1 291.0 327.4 0.07 17 250 9730 -52.1 -58.1 48 6.0 -52.2 180 15 328.6 328.6 291.4 328.9 0.06 18 200 11180 -49.9 -58.9 34 9.0 -50.2 170 11 353.8 353.8 297.5 354.0 0.07 19 159 12679 -49.1 -62.1 21 13.0 -49.6 146 5 379.1 379.1 302.1 379.4 0.06 20 150 13060 -49.9 -63.9 18 14.0 -50.4 140 3 384.1 384.1 302.9 384.3 0.05 21 107 15254 -51.5 -68.5 11 17.0 -52.2 194 3 420.0 420.0 307.7 420.2 0.04 22 100 15690 -53.5 -70.5 11 17.0 -54.1 205 3 424.4 424.4 308.2 424.5 0.03 23 75 17525 -58.9 -75.9 9 17.0 -59.3 181 8 449.4 449.4 310.8 449.5 0.02 24 70 17960 -58.7 -75.7 9 17.0 -59.2 175 9 458.8 458.8 311.7 458.9 0.02 25 67 18234 -58.7 -76.7 8 18.0 -59.2 180 10 464.6 464.6 312.2 464.7 0.02 26 50 20050 -62.1 -79.1 9 17.0 -62.5 210 15 497.1 497.1 314.8 497.2 0.02 27 30 23180 -65.1 -82.1 8 17.0 -65.5 160 3 567.2 567.2 319.0 567.3 0.02 28 25 24287 -65.7 -82.7 8 17.0 -66.2 151 7 595.8 595.8 320.4 595.9 0.02 29 20 25640 -66.1 -83.1 8 17.0 -66.7 140 13 633.8 633.8 322.0 634.0 0.02 30 11 29259 -66.9 -83.9 7 17.0 -67.8 749.1 749.1 325.9 749.4 0.03 31 10 29837 -65.1 -83.1 7 18.0 -66.4 776.5 776.6 326.7 776.9 0.04 TRP 321 8132 -56.9 -62.9 47 6.0 -57.0 220 35 299.3 299.3 281.1 299.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5178.90 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 53.93 % Est. max temperature: 4.72 C = 40.50 F Sfc-Lift cond lev (LCL): 978.17 mb = 206.32 m = 676.89 ft T: -1.39 C 700-500 lapse rate: 7.85 C/km ThetaE index: 1.03 C Layer 925.0- 878.0 mb Conv cond level (CCL): 898.26 mb = 877.38 m = 2878.52 ft Mean mixing ratio: 2.54 g/kg Conv temperature: 1.44 C = 34.59 F Cap Strength: 4.05 C Lifted Index: 6.12 C Risk: None Lifted Index @300 mb: 17.20 C Lifted Index @700 mb: 3.91 C Showalter Index: 5.01 C Risk: None Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.20 C Cross Totals Index: 23.20 C K Index: 6.30 Risk: None Sweat Index: 103.00 Risk: None Energy Index: 1.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.22 J/kg Max Up Vert Vel: 3.53 m/s Conv Inhibition (B-): 56283.18 J/kg Cap Strength: 6.00 C Lift Cond Lev (LCL): 907.81 mb = 794.69 m = 2607.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 231 at 8 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 1000 31 135 5 -3.5 3.5 | 83 10 -9.5 -1.2 1 1000 29 135 5 -3.5 3.5 | 83 10 -9.5 -1.2 2 925 648 105 9 -8.7 2.3 | 81 15 -14.6 -2.4 3 850 1308 105 9 -8.7 2.3 | 81 15 -14.6 -2.4 4 700 2789 205 3 1.3 2.7 | 66 5 -4.7 -2.0 5 500 5210 225 17 12.0 12.0 | 220 9 6.1 7.3 6 400 6710 225 29 20.5 20.5 | 223 21 14.6 15.8 7 321 8132 220 35 22.5 26.8 | 217 28 16.6 22.1 8 300 8560 200 33 11.3 31.0 | 192 27 5.4 26.3 9 250 9730 180 15 0.0 15.0 | 150 12 -5.9 10.2 10 200 11180 170 11 -1.9 10.8 | 128 10 -7.8 6.1 11 150 13060 140 3 -1.9 2.3 | 73 8 -7.8 -2.5 12 100 15690 205 3 1.3 2.7 | 66 5 -4.7 -2.0 13 70 17960 175 9 -0.8 9.0 | 122 8 -6.7 4.2 14 50 20050 210 15 7.5 13.0 | 191 8 1.6 8.2 15 30 23180 160 3 -1.0 2.8 | 74 7 -6.9 -1.9 16 20 25640 140 13 -8.4 10.0 | 110 15 -14.3 5.2 Wind Parameters Mean winds (0-6000m): 201.3 at 10.1 knts Storm direction: 231.3 at 7.6 knts Shear (0-3000m) pos: 1.9 neg: 0.9 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -4.7 deg Storm rel helicity (0-3000m) pos: 11.9 neg: -7.1 tot: 4.8 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.36 Bulk Shear: 17.20 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 ------------------------------------------------------------------------------- 500 118 7 82 12| 0.0 4.3 4.3| 0.7 -1.5 -0.7 -1.5 -0.04| 4.4 -0.2 1000 111 8 81 13| 0.0 2.7 2.7| 0.7 -3.1 -2.4 -2.4 -0.11| 2.8 -0.3 1500 110 8 82 14| 0.8 1.8 2.6| 6.4 -3.1 3.3 2.2 0.12| 2.7 0.3 2000 114 8 83 13| 1.7 1.4 3.1| 11.0 -3.1 7.9 3.9 0.20| 3.2 0.6 2500 117 7 83 13| 1.9 1.1 3.0| 11.0 -5.4 5.6 2.2 0.07| 3.3 0.2 3000 118 7 82 12| 1.9 0.9 2.8| 11.9 -7.1 4.8 1.6 0.03| 3.2 0.1 4000 143 7 94 10| 2.0 0.7 2.7| 16.0 -7.1 8.9 2.2 0.24| 3.2 0.8 5000 179 8 119 7| 2.2 0.5 2.8| 21.3 -7.1 14.2 2.8 0.30| 3.2 1.0 6000 201 10 154 5| 2.2 0.2 2.4| 24.0 -7.1 16.9 2.8 0.27| 3.3 0.9 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251021.00.gif