UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 12 OCT 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1002 13 8.2 7.1 93 1.1 7.6 160 17 281.2 282.3 280.7 298.5 6.32 1 1000 29 8.2 6.8 91 1.4 7.5 170 19 281.4 282.4 280.6 298.4 6.20 2 926 659 4.8 0.6 74 4.2 2.9 200 44 284.1 284.9 279.7 296.3 4.31 3 925 668 4.8 0.6 74 4.2 2.9 200 44 284.2 285.0 279.7 296.4 4.32 4 917 739 4.4 0.3 75 4.1 2.5 200 44 284.5 285.3 279.8 296.5 4.26 5 850 1352 -0.5 -2.8 84 2.3 -1.4 200 44 285.6 286.3 279.6 296.1 3.66 6 848 1371 -0.7 -2.9 85 2.2 -1.6 200 44 285.6 286.2 279.6 296.0 3.64 7 700 2884 -8.1 -10.3 84 2.2 -8.9 180 38 293.5 294.0 281.7 301.0 2.49 8 614 3892 -12.3 -14.7 82 2.4 -13.0 182 40 299.9 300.3 283.8 306.1 1.99 9 500 5430 -21.9 -24.3 81 2.4 -22.4 185 44 306.3 306.5 285.2 309.9 1.07 10 454 6135 -25.5 -28.7 75 3.2 -26.1 187 52 310.4 310.5 286.4 313.1 0.79 11 400 7040 -33.3 -36.9 70 3.6 -33.7 190 62 311.7 311.8 286.4 313.1 0.40 12 362 7732 -39.9 -43.6 68 3.7 -40.1 190 63 311.9 312.0 286.3 312.7 0.22 13 329 8379 -44.1 -47.8 67 3.7 -44.3 190 63 314.8 314.8 287.2 315.4 0.15 14 300 8990 -50.1 -53.6 66 3.5 -50.2 190 64 314.7 314.8 287.1 315.1 0.09 15 284 9347 -53.7 -57.1 66 3.4 -53.8 190 66 314.5 314.6 287.0 314.8 0.06 16 264 9815 -56.7 -60.1 65 3.5 -56.8 190 69 316.8 316.8 287.8 317.0 0.04 17 250 10160 -58.9 -62.4 64 3.5 -58.9 195 62 318.5 318.5 288.3 318.6 0.03 18 241 10390 -59.9 -63.4 63 3.5 -59.9 195 54 320.4 320.4 288.9 320.5 0.03 19 237 10495 -60.1 -63.6 63 3.5 -60.2 195 53 321.6 321.6 289.3 321.7 0.03 20 202 11506 -54.7 -58.3 64 3.6 -54.8 195 41 345.2 345.2 295.6 345.5 0.07 21 200 11570 -54.3 -58.1 63 3.8 -54.4 195 40 346.8 346.8 296.0 347.1 0.07 22 166 12772 -49.9 -54.4 59 4.5 -50.1 189 24 373.1 373.1 301.2 373.8 0.14 23 150 13430 -51.9 -57.9 48 6.0 -52.2 185 15 380.6 380.7 302.4 381.1 0.10 24 131 14303 -54.7 -61.7 42 7.0 -54.9 198 12 390.7 390.7 303.9 391.0 0.07 25 100 16030 -55.1 -64.1 32 9.0 -55.5 225 7 421.3 421.3 307.9 421.6 0.07 26 70 18290 -57.7 -68.7 23 11.0 -58.1 305 5 460.9 461.0 311.9 461.2 0.05 27 50 20400 -61.1 -73.1 19 12.0 -61.5 15 7 499.5 499.5 314.9 499.7 0.04 28 31 23351 -63.7 -76.7 15 13.0 -64.2 565.7 565.7 318.9 565.9 0.04 TRP 241 10390 -59.9 -63.4 63 3.5 -59.9 195 54 320.4 320.4 288.9 320.5 0.03 WND 264 9815 -56.7 -60.1 65 3.5 -56.8 190 69 316.8 316.8 287.8 317.0 0.04 Sounding variables and indices 1000-500 mb thick: 5401.00 m Freezing level: 856.84 mb = 1289.44 m = 4230.38 ft Wetbulb zero: 874.30 mb = 1124.22 m = 3688.33 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 82.52 % Est. max temperature: 12.60 C = 54.68 F Sfc-Lift cond lev (LCL): 985.44 mb = 149.24 m = 489.62 ft T: 7.55 C 700-500 lapse rate: 5.42 C/km ThetaE index: 2.25 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 884.15 mb = 1033.64 m = 3391.17 ft Mean mixing ratio: 5.02 g/kg Conv temperature: 12.07 C = 53.72 F Cap Strength: 6.25 C Lifted Index: 9.08 C Risk: None Lifted Index @300 mb: 12.52 C Lifted Index @700 mb: 3.01 C Showalter Index: 9.84 C Risk: None Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 19.10 C K Index: 16.40 Risk: < 20 % chance of thunderstorms Sweat Index: 132.00 Risk: None Energy Index: 2.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.57 J/kg Max Up Vert Vel: 4.60 m/s Conv Inhibition (B-): 34510.93 J/kg Cap Strength: 8.79 C Lift Cond Lev (LCL): 909.58 mb = 804.55 m = 2639.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 218 at 31 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 1002 13 160 17 -5.8 16.0 | 71 26 -24.6 -8.3 1 1000 29 170 19 -3.3 18.7 | 76 23 -22.1 -5.6 2 925 668 200 44 15.0 41.3 | 168 17 -3.7 17.1 3 850 1352 200 44 15.0 41.3 | 168 17 -3.7 17.1 4 700 2884 180 38 0.0 38.0 | 126 23 -18.8 13.7 5 500 5430 185 44 3.8 43.8 | 143 25 -14.9 19.6 6 400 7040 190 62 10.8 61.1 | 168 38 -8.0 36.8 7 300 8990 190 64 11.1 63.0 | 169 40 -7.7 38.8 8 264 9815 190 69 12.0 68.0 | 171 44 -6.8 43.7 9 250 10160 195 62 16.0 59.9 | 176 36 -2.7 35.6 10 241 10390 195 54 14.0 52.2 | 170 28 -4.8 27.9 11 200 11570 195 40 10.4 38.6 | 150 17 -8.4 14.4 12 150 13430 185 15 1.3 14.9 | 62 20 -17.5 -9.3 13 100 16030 225 7 4.9 4.9 | 36 24 -13.8 -19.3 14 70 18290 305 5 4.1 -2.9 | 28 31 -14.7 -27.1 15 50 20400 15 7 -1.8 -6.8 | 34 37 -20.6 -31.0 Wind Parameters Mean winds (0-6000m): 187.7 at 40.9 knts Storm direction: 217.7 at 30.7 knts Shear (0-3000m) pos: 5.6 neg: 2.6 tot: 8.2 10-3/s Storm rel Dir Shear (0-3000m): 55.6 deg Storm rel helicity (0-3000m) pos: 154.1 neg: -75.1 tot: 79.1 m^2/s^2 ave: 26.4 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.48 Bulk Shear: 22.11 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 ------------------------------------------------------------------------------- 500 185 28 103 17| 26.1 0.0 26.1|117.5 0.0 117.5 234.9 0.90| 26.4 23.8 1000 195 36 136 14| 16.9 0.0 16.9|152.5 0.0 152.5 152.5 0.92| 17.3 16.0 1500 197 38 148 15| 11.3 0.6 11.9|152.5 -7.8 144.7 96.4 0.83| 12.2 10.1 2000 196 39 150 16| 8.4 1.8 10.2|152.5 -32.2 120.3 60.2 0.60| 10.5 6.3 2500 195 40 148 17| 6.8 2.4 9.2|152.5 -56.8 95.7 38.3 0.44| 9.4 4.1 3000 193 39 145 17| 5.6 2.6 8.2|154.1 -75.1 79.1 26.4 0.35| 8.5 2.9 4000 190 39 141 19| 4.6 2.0 6.5|170.8 -75.1 95.8 23.9 0.38| 6.7 2.5 5000 188 40 140 20| 3.9 1.6 5.5|188.0 -75.1 112.9 22.6 0.41| 5.7 2.3 6000 188 41 141 21| 3.9 1.3 5.2|231.6 -75.1 156.5 26.1 0.46| 5.4 2.5 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251012.00.gif