UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 9 DEC 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 1018 30 -18.9 -22.3 74 3.4 -19.4 340 5 253.0 253.1 252.7 254.6 0.63 1 1000 163 -19.9 -24.4 67 4.5 -20.5 355 3 253.2 253.3 252.7 254.7 0.53 2 947 564 -23.3 -26.4 76 3.1 -23.7 12 9 253.8 253.8 253.0 255.1 0.47 3 932 681 -20.3 -23.1 78 2.8 -20.7 18 10 258.0 258.1 256.9 259.8 0.64 4 929 705 -20.1 -22.9 78 2.8 -20.5 19 11 258.4 258.5 257.3 260.2 0.65 5 925 737 -19.9 -22.8 78 2.9 -20.3 20 11 259.0 259.1 257.7 260.8 0.66 6 869 1200 -20.7 -25.7 64 5.0 -21.4 347 12 262.8 262.9 260.5 264.3 0.54 7 850 1363 -21.1 -29.1 49 8.0 -22.0 335 13 264.0 264.1 261.2 265.2 0.41 8 810 1717 -23.1 -33.1 40 10.0 -24.1 331 13 265.6 265.6 262.1 266.4 0.29 9 768 2106 -25.1 -34.1 43 9.0 -25.9 327 14 267.5 267.5 263.4 268.3 0.28 10 700 2773 -29.5 -36.5 51 7.0 -30.0 320 15 269.8 269.9 265.0 270.5 0.24 11 590 3974 -37.7 -42.7 59 5.0 -37.9 320 13 273.8 273.8 267.5 274.3 0.15 12 500 5100 -44.5 -49.5 57 5.0 -44.6 320 11 278.8 278.8 270.6 279.1 0.08 13 400 6570 -52.3 -57.3 55 5.0 -52.4 300 9 287.0 287.0 275.2 287.2 0.04 14 335 7700 -58.7 -63.7 52 5.0 -58.7 355 13 293.2 293.2 278.3 293.3 0.02 15 300 8390 -60.7 -65.7 52 5.0 -60.7 30 15 299.8 299.8 281.3 299.8 0.02 16 295 8494 -61.1 -66.1 51 5.0 -61.2 20 11 300.7 300.7 281.6 300.7 0.02 17 275 8928 -61.5 -66.5 51 5.0 -61.6 18 17 306.2 306.2 283.9 306.2 0.02 18 250 9520 -58.9 -64.9 46 6.0 -59.0 15 25 318.5 318.5 288.3 318.6 0.02 19 205 10765 -57.7 -63.7 46 6.0 -57.8 15 20 339.0 339.0 294.1 339.1 0.04 20 200 10920 -57.9 -63.9 46 6.0 -58.0 15 19 341.1 341.1 294.6 341.2 0.04 21 150 12720 -60.5 -68.5 34 8.0 -60.6 10 19 365.9 365.9 299.8 366.0 0.03 22 100 15220 -65.7 -74.7 27 9.0 -65.8 5 7 400.8 400.8 305.3 400.9 0.02 23 89 15923 -67.5 -76.5 27 9.0 -67.6 16 11 410.8 410.8 306.6 410.8 0.01 24 73 17110 -68.7 -77.7 26 9.0 -68.8 36 18 432.2 432.2 309.1 432.3 0.01 25 70 17360 -69.1 -78.1 26 9.0 -69.2 40 19 436.6 436.6 309.6 436.6 0.01 26 55 18790 -73.7 -82.7 24 9.0 -73.7 36 13 457.2 457.2 311.5 457.2 0.01 27 51 19234 -73.1 -82.1 24 9.0 -73.2 35 11 468.6 468.6 312.5 468.6 0.01 28 50 19350 -73.3 -82.3 24 9.0 -73.4 35 11 470.8 470.8 312.7 470.8 0.01 29 35 21415 -77.7 -86.7 22 9.0 -77.7 509.8 509.8 315.7 509.9 0.01 TRP 295 8494 -61.1 -66.1 51 5.0 -61.2 20 11 300.7 300.7 281.6 300.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 4937.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 56.80 % Est. max temperature: -8.95 C = 15.90 F Sfc-Lift cond lev (LCL): 962.60 mb = 443.50 m = 1455.03 ft T: -22.28 C 700-500 lapse rate: 6.45 C/km ThetaE index: 0.00 C Layer 1018.0- -0.0 mb Conv cond level (CCL): 728.42 mb = 2486.49 m = 8157.67 ft Mean mixing ratio: 0.54 g/kg Conv temperature: -2.94 C = 26.71 F Cap Strength: 15.37 C Lifted Index: 18.67 C Risk: None Lifted Index @300 mb: 30.98 C Lifted Index @700 mb: 12.78 C Showalter Index: 11.23 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 15.40 C K Index: -12.70 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 2.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.33 J/kg Max Up Vert Vel: 6.98 m/s Conv Inhibition (B-): 40761.21 J/kg Cap Strength: 18.56 C Lift Cond Lev (LCL): 912.51 mb = 837.72 m = 2748.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 357 at 9 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 1018 30 340 5 1.7 -4.7 | 196 4 1.3 4.3 1 1000 163 355 3 0.3 -3.0 | 178 6 -0.2 6.0 2 925 737 20 11 -3.8 -10.3 | 72 4 -4.2 -1.4 3 850 1363 335 13 5.5 -11.8 | 299 6 5.0 -2.8 4 700 2773 320 15 9.6 -11.5 | 285 10 9.2 -2.5 5 500 5100 320 11 7.1 -8.4 | 265 7 6.6 0.5 6 400 6570 300 9 7.8 -4.5 | 239 9 7.3 4.5 7 300 8390 30 15 -7.5 -13.0 | 63 9 -8.0 -4.0 8 295 8494 20 11 -3.8 -10.3 | 72 4 -4.2 -1.4 9 250 9520 15 25 -6.5 -24.1 | 25 17 -6.9 -15.2 10 200 10920 15 19 -4.9 -18.4 | 30 11 -5.4 -9.4 11 150 12720 10 19 -3.3 -18.7 | 21 10 -3.7 -9.7 12 100 15220 5 7 -0.6 -7.0 | 152 2 -1.1 2.0 13 70 17360 40 19 -12.2 -14.6 | 66 14 -12.7 -5.6 14 50 19350 35 11 -6.3 -9.0 | 90 7 -6.8 -0.0 Wind Parameters Mean winds (0-6000m): 327.1 at 12.0 knts Storm direction: 357.1 at 9.0 knts Shear (0-3000m) pos: 0.8 neg: 1.9 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 87.4 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -18.8 tot: -18.8 m^2/s^2 ave: -6.3 10^-3 m/s^2 rel: -0.73 Storm rel vorticity (0-3000m) horiz: 4.1 stream: -3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.66 Bulk Shear: 9.15 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 2 5 170 4| 4.8 0.0 4.8| 0.0 -4.6 -4.6 -9.1 -0.70| 7.0 -4.9 1000 10 8 123 2| 2.4 2.2 4.6| 0.0 -9.8 -9.8 -9.8 -0.77| 7.4 -5.7 1500 358 9 5 1| 1.6 2.9 4.5| 0.0 -14.7 -14.7 -9.8 -0.78| 6.9 -5.4 2000 349 10 309 2| 1.2 2.5 3.7| 0.0 -15.8 -15.8 -7.9 -0.75| 5.5 -4.2 2500 342 11 300 4| 1.0 2.3 3.2| 0.0 -17.3 -17.3 -6.9 -0.73| 4.7 -3.5 3000 337 12 296 5| 0.8 1.9 2.7| 0.0 -18.8 -18.8 -6.3 -0.73| 4.1 -3.0 4000 332 12 290 6| 0.6 1.3 1.9| 0.0 -21.2 -21.2 -5.3 -0.72| 3.3 -2.4 5000 329 12 286 6| 0.5 0.9 1.4| 0.0 -23.7 -23.7 -4.7 -0.72| 2.8 -2.0 6000 327 12 280 6| 0.4 0.8 1.2| 0.0 -28.3 -28.3 -4.7 -0.74| 2.6 -1.9 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251209.00.gif