UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 24 APR 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 1005 8 -3.5 -4.9 90 1.4 -4.0 180 5 269.3 269.7 268.9 276.4 2.64 1 1000 47 -2.7 -4.5 87 1.8 -3.3 190 5 270.5 270.9 269.8 277.8 2.73 2 976 241 2.0 -5.0 60 7.0 -0.6 201 7 277.1 277.5 273.8 284.6 2.70 3 960 374 1.2 -6.8 55 8.0 -1.7 208 8 277.6 278.0 273.6 284.3 2.39 4 925 670 -1.7 -8.7 59 7.0 -4.0 225 11 277.6 277.9 273.2 283.6 2.14 5 850 1336 -8.1 -10.5 83 2.4 -8.8 245 11 277.7 278.0 273.1 283.4 2.02 6 831 1511 -9.3 -11.4 85 2.1 -9.9 248 10 278.2 278.5 273.3 283.7 1.92 7 805 1756 -11.7 -13.5 86 1.8 -12.2 252 9 278.2 278.5 272.9 283.0 1.67 8 700 2815 -17.1 -18.4 90 1.3 -17.4 270 3 283.5 283.8 275.3 287.4 1.28 9 673 3108 -19.1 -20.0 93 0.9 -19.3 266 6 284.5 284.7 275.6 288.0 1.16 10 579 4216 -23.3 -24.6 89 1.3 -23.5 250 18 292.1 292.3 279.0 294.9 0.90 11 500 5270 -31.3 -32.7 87 1.4 -31.4 235 29 294.9 295.0 279.8 296.5 0.49 12 466 5767 -35.1 -36.4 88 1.3 -35.2 237 36 296.1 296.2 280.1 297.4 0.36 13 400 6820 -41.7 -45.0 70 3.3 -41.9 240 50 300.8 300.8 281.9 301.4 0.17 14 372 7307 -45.9 -50.0 63 4.1 -46.0 242 53 301.5 301.5 282.1 301.9 0.11 15 316 8375 -53.3 -58.0 56 4.7 -53.4 245 60 305.6 305.7 283.7 305.8 0.05 16 309 8520 -53.2 -58.0 56 4.8 -53.3 245 60 307.7 307.7 284.5 307.9 0.05 17 300 8710 -53.1 -58.0 55 4.9 -53.2 245 56 310.5 310.5 285.6 310.7 0.05 18 250 9890 -49.1 -55.1 50 6.0 -49.3 260 38 333.1 333.1 292.6 333.4 0.09 19 208 11101 -47.7 -55.7 39 8.0 -48.1 264 36 353.3 353.3 297.4 353.7 0.10 20 200 11360 -48.3 -56.3 39 8.0 -48.7 265 35 356.3 356.3 298.0 356.7 0.09 21 150 13250 -48.9 -59.9 27 11.0 -49.4 275 31 385.8 385.8 303.2 386.2 0.08 22 100 15900 -51.1 -64.1 20 13.0 -51.8 290 23 429.0 429.0 308.7 429.4 0.07 23 70 18200 -53.7 -67.7 16 14.0 -54.4 305 19 469.5 469.5 312.6 469.9 0.06 24 68 18386 -53.9 -67.9 16 14.0 -54.6 305 18 473.0 473.0 312.9 473.3 0.06 25 61 19087 -51.9 -65.9 17 14.0 -52.9 305 17 492.4 492.4 314.4 492.9 0.09 26 50 20370 -54.1 -68.1 16 14.0 -55.1 305 13 516.0 516.0 316.1 516.5 0.08 27 33 23025 -56.9 -70.9 15 14.0 -57.9 350 11 573.7 573.7 319.4 574.2 0.08 28 30 23630 -56.5 -71.5 13 15.0 -57.7 360 11 590.6 590.6 320.2 591.2 0.08 29 20 26240 -52.5 -67.5 15 15.0 -54.9 70 27 675.5 675.6 323.7 677.3 0.22 30 14 28568 -48.1 -64.1 14 16.0 -52.4 762.9 763.2 326.4 767.6 0.49 TRP 316 8375 -53.3 -58.0 56 4.7 -53.4 245 60 305.6 305.7 283.7 305.8 0.05 WND 309 8520 -53.2 -58.0 56 4.8 -53.3 245 60 307.7 307.7 284.5 307.9 0.05 Sounding variables and indices 1000-500 mb thick: 5223.00 m Freezing level: Surface below freezing Freezing level: 986.21 mb = 158.33 m = 519.43 ft Freezing level: 945.52 mb = 496.25 m = 1628.08 ft Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 83.63 % Est. max temperature: 4.91 C = 40.83 F Sfc-Lift cond lev (LCL): 982.92 mb = 184.40 m = 604.97 ft T: 0.63 C 700-500 lapse rate: 5.78 C/km ThetaE index: 1.20 C Layer 960.0- 831.0 mb Conv cond level (CCL): 845.55 mb = 1376.69 m = 4516.65 ft Mean mixing ratio: 2.40 g/kg Conv temperature: 5.03 C = 41.06 F Cap Strength: 8.97 C Lifted Index: 10.28 C Risk: None Lifted Index @300 mb: 19.54 C Lifted Index @700 mb: 3.39 C Showalter Index: 9.99 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.20 C Cross Totals Index: 20.80 C K Index: 11.40 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 2.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.81 J/kg Max Up Vert Vel: 7.32 m/s Conv Inhibition (B-): 65903.00 J/kg Cap Strength: 10.19 C Lift Cond Lev (LCL): 864.84 mb = 1199.65 m = 3935.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 267 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 1005 8 180 5 0.0 5.0 | 112 12 -11.0 4.5 1 1000 47 190 5 0.9 4.9 | 114 11 -10.1 4.4 2 925 670 225 11 7.8 7.8 | 156 8 -3.2 7.3 3 850 1336 245 11 10.0 4.6 | 166 4 -1.0 4.2 4 700 2815 270 3 3.0 -0.0 | 87 8 -8.0 -0.5 5 500 5270 235 29 23.8 16.6 | 218 21 12.8 16.1 6 400 6820 240 50 43.3 25.0 | 233 41 32.3 24.5 7 316 8375 245 60 54.4 25.4 | 240 50 43.4 24.9 8 309 8520 245 60 54.4 25.4 | 240 50 43.4 24.9 9 300 8710 245 56 50.8 23.7 | 240 46 39.7 23.2 10 250 9890 260 38 37.4 6.6 | 257 27 26.4 6.1 11 200 11360 265 35 34.9 3.1 | 264 24 23.9 2.6 12 150 13250 275 31 30.9 -2.7 | 279 20 19.9 -3.2 13 100 15900 290 23 21.6 -7.9 | 308 14 10.6 -8.4 14 70 18200 305 19 15.6 -10.9 | 338 12 4.6 -11.4 15 50 20370 305 13 10.6 -7.5 | 3 8 -0.4 -7.9 16 30 23630 360 11 -0.0 -11.0 | 44 16 -11.0 -11.5 17 20 26240 70 27 -25.4 -9.2 | 75 38 -36.4 -9.7 Wind Parameters Mean winds (0-6000m): 237.5 at 14.7 knts Storm direction: 267.5 at 11.0 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): -24.7 deg Storm rel helicity (0-3000m) pos: 21.1 neg: -6.3 tot: 14.7 m^2/s^2 ave: 4.9 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.27 Bulk Shear: 11.82 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 ------------------------------------------------------------------------------- 500 206 7 126 10| 6.3 0.0 6.3| 14.6 0.0 14.6 29.3 0.87| 6.4 5.6 1000 220 9 140 8| 4.7 0.0 4.7| 20.3 0.0 20.3 20.3 0.77| 5.3 4.1 1500 229 10 147 7| 3.2 0.0 3.2| 20.8 -0.9 19.9 13.3 0.57| 4.6 2.6 2000 234 9 145 6| 2.0 0.0 2.0| 20.8 -3.6 17.2 8.6 0.29| 4.2 1.2 2500 237 9 139 6| 1.3 0.0 1.3| 20.8 -5.7 15.1 6.1 0.16| 3.9 0.6 3000 238 8 130 6| 1.2 0.0 1.2| 21.1 -6.3 14.7 4.9 0.13| 3.9 0.5 4000 244 8 134 5| 0.9 1.4 2.3| 24.8 -6.3 18.4 4.6 0.25| 4.3 1.1 5000 240 11 164 5| 0.7 2.3 3.0| 25.1 -10.8 14.3 2.9 0.16| 4.7 0.8 6000 237 15 191 8| 1.0 2.4 3.4| 48.4 -14.3 34.1 5.7 0.17| 5.1 0.9 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250424.00.gif