UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 7 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 1016 30 -10.1 -14.5 70 4.4 -11.1 290 5 261.9 262.1 261.1 265.2 1.22 1 1000 152 -11.1 -16.1 67 5.0 -12.2 310 7 262.0 262.2 261.0 265.0 1.09 2 934 672 -15.3 -18.7 75 3.4 -15.9 323 9 262.9 263.1 261.4 265.5 0.93 3 925 745 -15.1 -18.4 76 3.3 -15.7 325 9 263.9 264.0 262.2 266.5 0.97 4 896 985 -15.5 -19.8 70 4.3 -16.3 321 14 265.9 266.0 263.4 268.4 0.89 5 850 1381 -17.5 -20.8 75 3.3 -18.1 315 21 267.8 268.0 264.8 270.2 0.86 6 831 1550 -18.5 -21.7 76 3.2 -19.0 314 23 268.5 268.6 265.2 270.8 0.81 7 751 2297 -23.5 -26.4 77 2.9 -23.9 309 30 271.0 271.1 266.5 272.7 0.59 8 700 2807 -27.1 -29.9 77 2.8 -27.4 305 35 272.5 272.5 267.3 273.8 0.46 9 642 3425 -32.7 -35.4 77 2.7 -32.9 305 34 272.9 273.0 267.3 273.8 0.29 10 631 3547 -31.5 -34.1 78 2.6 -31.7 305 34 275.7 275.7 269.1 276.7 0.34 11 500 5160 -42.3 -47.3 58 5.0 -42.5 305 31 281.5 281.5 272.2 281.8 0.11 12 409 6486 -51.7 -56.1 59 4.4 -51.8 300 33 286.0 286.0 274.6 286.1 0.05 13 400 6630 -52.1 -56.5 59 4.4 -52.2 300 33 287.3 287.3 275.3 287.4 0.05 14 396 6695 -52.1 -56.5 59 4.4 -52.2 300 34 288.1 288.1 275.7 288.3 0.05 15 300 8470 -58.9 -63.5 55 4.6 -59.0 310 50 302.3 302.3 282.4 302.4 0.02 16 286 8769 -59.9 -64.5 55 4.6 -60.0 325 48 305.0 305.1 283.4 305.1 0.02 17 250 9610 -59.7 -64.6 53 4.9 -59.7 320 38 317.3 317.3 287.9 317.4 0.03 18 205 10855 -59.7 -64.7 52 5.0 -59.8 320 26 335.8 335.8 293.3 336.0 0.03 19 200 11010 -59.9 -65.9 45 6.0 -60.0 320 25 337.9 337.9 293.8 338.0 0.03 20 150 12790 -59.7 -65.7 45 6.0 -59.8 340 21 367.2 367.2 300.1 367.4 0.04 21 118 14277 -65.1 -72.1 37 7.0 -65.2 349 17 383.4 383.4 302.8 383.5 0.02 22 112 14597 -64.5 -71.5 38 7.0 -64.6 351 17 390.2 390.3 303.8 390.4 0.02 23 100 15290 -65.7 -72.7 37 7.0 -65.8 355 15 400.8 400.8 305.3 400.9 0.02 24 70 17430 -70.7 -78.7 30 8.0 -70.8 15 13 433.1 433.1 309.1 433.2 0.01 25 64 17962 -72.5 -80.5 29 8.0 -72.6 18 11 440.4 440.4 309.9 440.5 0.01 26 62 18150 -71.7 -79.7 29 8.0 -71.8 19 11 446.2 446.2 310.5 446.3 0.01 27 50 19420 -73.3 -81.3 28 8.0 -73.4 25 7 470.8 470.8 312.7 470.8 0.01 28 42 20432 -76.5 -84.5 27 8.0 -76.6 486.9 486.9 314.0 486.9 0.01 TRP 286 8769 -59.9 -64.5 55 4.6 -60.0 325 48 305.0 305.1 283.4 305.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5008.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 72.54 % Est. max temperature: -4.81 C = 23.34 F Sfc-Lift cond lev (LCL): 946.59 mb = 569.91 m = 1869.75 ft T: -14.48 C 700-500 lapse rate: 6.46 C/km ThetaE index: 0.15 C Layer 1000.0- 934.0 mb Conv cond level (CCL): 819.28 mb = 1654.62 m = 5428.49 ft Mean mixing ratio: 1.02 g/kg Conv temperature: -3.08 C = 26.46 F Cap Strength: 9.38 C Lifted Index: 13.23 C Risk: None Lifted Index @300 mb: 26.13 C Lifted Index @700 mb: 7.16 C Showalter Index: 9.36 C Risk: None Total Totals Index: 46.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 21.50 C K Index: 1.20 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 2.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.41 J/kg Max Up Vert Vel: 3.58 m/s Conv Inhibition (B-): 36840.60 J/kg Cap Strength: 13.16 C Lift Cond Lev (LCL): 902.75 mb = 928.68 m = 3046.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 20 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 1016 30 290 5 4.7 -1.7 | 169 17 -3.3 16.9 1 1000 152 310 7 5.4 -4.5 | 169 14 -2.6 14.1 2 925 745 325 9 5.2 -7.4 | 166 12 -2.8 11.2 3 850 1381 315 21 14.8 -14.8 | 242 8 6.9 3.7 4 700 2807 305 35 28.7 -20.1 | 274 21 20.7 -1.5 5 500 5160 305 31 25.4 -17.8 | 267 17 17.4 0.8 6 400 6630 300 33 28.6 -16.5 | 264 21 20.6 2.1 7 300 8470 310 50 38.3 -32.1 | 294 33 30.3 -13.6 8 286 8769 325 48 27.5 -39.3 | 317 29 19.5 -20.7 9 250 9610 320 38 24.4 -29.1 | 303 20 16.4 -10.5 10 200 11010 320 25 16.1 -19.2 | 274 8 8.1 -0.6 11 150 12790 340 21 7.2 -19.7 | 35 1 -0.8 -1.2 12 100 15290 355 15 1.3 -14.9 | 118 8 -6.7 3.6 13 70 17430 15 13 -3.4 -12.6 | 118 13 -11.4 6.0 14 50 19420 25 7 -3.0 -6.3 | 138 16 -10.9 12.2 Wind Parameters Mean winds (0-6000m): 306.7 at 27.0 knts Storm direction: 336.7 at 20.2 knts Shear (0-3000m) pos: 1.8 neg: 3.6 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 41.6 neg: -3.8 tot: 37.8 m^2/s^2 ave: 12.6 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 51.70 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 ------------------------------------------------------------------------------- 500 312 7 169 14| 4.8 0.0 4.8| 0.9 -1.5 -0.6 -1.2 -0.04| 4.8 -0.2 1000 319 9 170 12| 5.3 0.0 5.3| 9.7 -2.8 6.9 6.9 0.27| 5.8 1.5 1500 317 12 182 10| 3.6 2.9 6.4| 24.4 -2.8 21.6 14.4 0.55| 6.7 3.7 2000 315 15 200 8| 2.7 3.5 6.1| 32.6 -2.8 29.8 14.9 0.55| 6.4 3.5 2500 312 18 222 8| 2.1 3.8 6.0| 39.1 -2.8 36.3 14.5 0.51| 6.2 3.2 3000 310 21 238 9| 1.8 3.6 5.4| 41.6 -3.8 37.8 12.6 0.47| 5.7 2.7 4000 308 24 252 11| 1.3 2.5 3.8| 41.6 -8.5 33.0 8.3 0.42| 4.5 1.9 5000 308 26 258 13| 1.1 1.8 2.9| 41.6 -13.3 28.2 5.6 0.38| 3.8 1.4 6000 307 27 260 14| 0.9 1.6 2.5| 41.6 -16.8 24.7 4.1 0.34| 3.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251207.00.gif