UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103100.upa.cvt Date: 0000Z 31 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 31 OCT 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 72 350 1 SFC 997 96 3.4 3.4 100 0.0 3.4 350 1 276.8 277.6 276.7 290.1 4.90 2 925 700 0.0 -1.0 93 1.0 -0.4 355 3 279.3 280.0 276.6 290.0 3.84 3 850 1373 -3.7 -4.7 93 1.0 -4.1 325 11 282.3 282.8 277.3 291.2 3.17 4 820 1656 -4.9 -5.8 93 0.9 -5.3 316 11 283.9 284.4 277.9 292.5 3.02 5 735 2505 -11.9 -13.7 86 1.8 -12.4 288 10 285.3 285.6 277.0 290.6 1.80 6 729 2567 -12.1 -13.8 87 1.7 -12.6 285 9 285.7 286.1 277.2 291.1 1.80 7 700 2877 -13.5 -17.6 71 4.1 -14.5 275 9 287.5 287.8 277.5 291.7 1.37 8 644 3506 -16.1 -26.1 42 10.0 -18.0 265 13 291.5 291.7 278.5 293.8 0.71 9 611 3899 -18.5 -28.5 41 10.0 -20.2 259 16 293.2 293.3 279.1 295.1 0.60 10 511 5204 -27.5 -40.5 28 13.0 -28.7 238 26 297.7 297.7 280.6 298.4 0.22 11 500 5360 -28.9 -43.9 22 15.0 -30.1 235 27 297.8 297.8 280.6 298.3 0.16 12 487 5549 -30.5 -45.5 22 15.0 -31.6 234 28 298.1 298.1 280.7 298.6 0.13 13 400 6920 -41.5 -51.5 33 10.0 -41.9 225 38 301.1 301.1 281.9 301.4 0.08 14 388 7125 -42.9 -51.9 37 9.0 -43.2 224 42 301.9 301.9 282.3 302.1 0.08 15 367 7499 -43.5 -51.5 41 8.0 -43.8 224 50 305.9 305.9 283.9 306.2 0.09 16 358 7665 -44.1 -52.1 41 8.0 -44.4 223 54 307.3 307.3 284.4 307.6 0.09 17 300 8830 -50.5 -60.5 30 10.0 -50.7 220 79 314.2 314.2 286.8 314.3 0.04 18 294 8962 -51.5 -61.5 29 10.0 -51.7 220 80 314.6 314.6 287.0 314.7 0.03 19 288 9096 -51.8 -61.8 29 10.0 -52.0 220 81 316.0 316.0 287.5 316.1 0.03 20 263 9683 -53.3 -63.3 29 10.0 -53.5 220 73 322.1 322.1 289.5 322.2 0.03 21 250 10010 -52.7 -63.7 25 11.0 -52.9 225 69 327.7 327.7 291.1 327.8 0.03 22 240 10275 -51.3 -62.3 26 11.0 -51.5 225 66 333.7 333.7 292.7 333.8 0.04 23 200 11460 -52.7 -64.7 22 12.0 -53.0 225 50 349.3 349.3 296.5 349.5 0.03 24 150 13310 -53.9 -68.9 14 15.0 -54.2 235 40 377.2 377.2 301.8 377.3 0.02 25 100 15890 -58.3 -74.3 11 16.0 -58.6 250 38 415.1 415.1 307.2 415.2 0.02 26 70 18120 -61.1 -78.1 9 17.0 -61.4 260 35 453.7 453.7 311.2 453.7 0.01 27 58 19284 -62.5 -79.5 8 17.0 -62.9 475.6 475.6 313.1 475.6 0.01 TRP 263 9683 -53.3 -63.3 29 10.0 -53.5 220 73 322.1 322.1 289.5 322.2 0.03 WND 288 9096 -51.8 -61.8 29 10.0 -52.0 220 81 316.0 316.0 287.5 316.1 0.03 Sounding variables and indices 1000-500 mb thick: 5288.00 m Freezing level: 925.00 mb = 700.00 m = 2296.56 ft Wetbulb zero: 932.87 mb = 631.74 m = 2072.62 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 66.36 % Est. max temperature: 9.04 C = 48.27 F Sfc-Lift cond lev (LCL): 997.00 mb = 96.35 m = 316.09 ft T: 3.40 C 700-500 lapse rate: 6.20 C/km ThetaE index: 1.94 C Layer 735.0- 729.0 mb Conv cond level (CCL): 928.94 mb = 665.79 m = 2184.33 ft Mean mixing ratio: 4.18 g/kg Conv temperature: 5.78 C = 42.40 F Cap Strength: 7.28 C Lifted Index: 7.29 C Risk: None Lifted Index @300 mb: 17.10 C Lifted Index @700 mb: 2.07 C Showalter Index: 6.41 C Risk: None Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.20 C Cross Totals Index: 24.20 C K Index: 16.40 Risk: < 20 % chance of thunderstorms Sweat Index: 57.00 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.23 J/kg Max Up Vert Vel: 5.14 m/s Conv Inhibition (B-): 23836.77 J/kg Cap Strength: 7.29 C Lift Cond Lev (LCL): 937.31 mb = 593.54 m = 1947.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 11 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 ---------------------------------------------------------- 0 997 96 350 1 0.2 -1.0 | 99 11 -10.6 1.7 1 925 700 355 3 0.3 -3.0 | 88 11 -10.5 -0.3 2 850 1373 325 11 6.3 -9.0 | 35 8 -4.4 -6.3 3 700 2877 275 9 9.0 -0.8 | 137 3 -1.8 1.9 4 500 5360 235 27 22.1 15.5 | 212 21 11.4 18.2 5 400 6920 225 38 26.9 26.9 | 209 34 16.1 29.6 6 300 8830 220 79 50.8 60.5 | 212 75 40.0 63.2 7 288 9096 220 81 52.1 62.0 | 213 77 41.3 64.8 8 263 9683 220 73 46.9 55.9 | 212 69 36.2 58.6 9 250 10010 225 69 48.8 48.8 | 216 64 38.0 51.5 10 200 11460 225 50 35.4 35.4 | 213 45 24.6 38.1 11 150 13310 235 40 32.8 22.9 | 221 34 22.0 25.6 12 100 15890 250 38 35.7 13.0 | 238 29 25.0 15.7 13 70 18120 260 35 34.5 6.1 | 250 25 23.7 8.8 Wind Parameters Mean winds (0-6000m): 254.1 at 14.8 knts Storm direction: 284.1 at 11.1 knts Shear (0-3000m) pos: 0.3 neg: 1.8 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 76.7 deg Storm rel helicity (0-3000m) pos: 3.4 neg: -26.0 tot: -22.6 m^2/s^2 ave: -7.5 10^-3 m/s^2 rel: -0.23 Storm rel vorticity (0-3000m) horiz: 3.7 stream: -0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.43 Bulk Shear: 30.54 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 ------------------------------------------------------------------------------- 500 353 2 95 11| 1.7 0.0 1.7| 0.0 -4.6 -4.6 -9.2 -0.99| 1.7 -1.7 1000 346 3 87 10| 0.9 2.7 3.5| 0.0 -17.8 -17.8 -17.8 -0.96| 3.6 -3.5 1500 332 6 75 8| 0.6 3.0 3.6| 0.0 -26.0 -26.0 -17.3 -0.86| 4.2 -3.6 2000 323 7 68 7| 0.4 2.2 2.7| 0.5 -26.0 -25.5 -12.7 -0.65| 3.9 -2.6 2500 316 7 65 6| 0.3 1.8 2.2| 1.7 -26.0 -24.3 -9.7 -0.43| 3.7 -1.6 3000 309 8 66 5| 0.3 1.8 2.1| 3.4 -26.0 -22.6 -7.5 -0.23| 3.7 -0.9 4000 289 9 79 2| 0.2 2.4 2.6| 6.5 -26.0 -19.5 -4.9 -0.07| 3.8 -0.3 5000 268 12 200 3| 0.2 2.7 2.9| 6.5 -33.8 -27.3 -5.5 -0.10| 4.0 -0.4 6000 254 15 207 8| 0.1 2.9 3.0| 6.5 -41.9 -35.5 -5.9 -0.11| 4.1 -0.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251031.00.gif