UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 30 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 1004 10 -2.9 -5.1 85 2.2 -3.7 290 5 269.9 270.4 269.3 277.0 2.60 1 1000 42 -3.5 -5.1 89 1.6 -4.0 295 5 269.6 270.1 269.1 276.7 2.61 2 925 652 -8.1 -9.0 93 0.9 -8.4 300 19 271.0 271.4 269.1 276.8 2.09 3 850 1303 -12.9 -13.5 95 0.6 -13.0 310 15 272.6 272.9 269.4 277.1 1.58 4 726 2482 -23.1 -23.7 95 0.6 -23.2 314 25 274.0 274.2 268.8 276.3 0.78 5 700 2748 -25.3 -27.7 80 2.4 -25.6 315 27 274.5 274.6 268.7 276.1 0.56 6 695 2800 -25.5 -27.9 80 2.4 -25.8 315 27 274.8 274.9 269.0 276.5 0.55 7 643 3362 -27.5 -34.5 51 7.0 -28.2 311 29 278.7 278.8 270.9 279.7 0.32 8 540 4604 -33.5 -44.5 32 11.0 -34.1 303 33 285.8 285.9 274.7 286.3 0.14 9 500 5140 -37.5 -49.5 28 12.0 -38.0 300 35 287.3 287.3 275.4 287.6 0.08 10 447 5905 -40.9 -53.9 23 13.0 -41.3 295 43 292.4 292.4 277.9 292.6 0.06 11 400 6650 -46.3 -58.3 24 12.0 -46.6 290 50 294.8 294.8 279.1 294.9 0.04 12 350 7532 -50.5 -60.5 30 10.0 -50.7 285 50 300.6 300.6 281.7 300.7 0.03 13 335 7818 -51.1 -60.1 33 9.0 -51.2 286 46 303.6 303.6 282.9 303.7 0.03 14 300 8540 -49.3 -59.3 30 10.0 -49.6 290 35 315.9 315.9 287.4 316.0 0.04 15 281 8969 -46.1 -56.1 31 10.0 -46.4 294 31 326.4 326.4 290.7 326.7 0.07 16 258 9532 -47.5 -58.5 27 11.0 -47.9 298 27 332.4 332.5 292.4 332.7 0.06 17 250 9740 -46.5 -58.5 24 12.0 -46.9 300 25 336.9 336.9 293.6 337.2 0.06 18 238 10069 -44.5 -56.5 25 12.0 -45.0 300 23 344.7 344.7 295.5 345.0 0.08 19 201 11197 -47.3 -61.3 19 14.0 -47.9 300 17 357.4 357.4 298.2 357.6 0.05 20 200 11230 -47.1 -61.1 19 14.0 -47.6 300 17 358.2 358.2 298.4 358.4 0.05 21 150 13140 -46.7 -62.7 15 16.0 -47.5 285 13 389.6 389.6 303.8 389.9 0.06 22 144 13410 -45.3 -61.3 15 16.0 -46.2 288 12 396.6 396.6 304.8 396.9 0.07 23 100 15820 -48.1 -65.1 12 17.0 -49.1 315 5 434.8 434.8 309.4 435.1 0.06 24 70 18170 -47.5 -65.5 11 18.0 -49.0 205 5 482.8 482.8 313.7 483.3 0.08 25 50 20380 -48.7 -67.7 9 19.0 -50.5 205 11 528.7 528.7 316.9 529.3 0.08 26 30 23750 -48.9 -68.9 8 20.0 -51.5 190 15 611.3 611.4 321.2 612.2 0.12 27 22 25791 -48.1 -68.1 8 20.0 -51.6 670.4 670.5 323.5 671.9 0.18 TRP 350 7532 -50.5 -60.5 30 10.0 -50.7 285 50 300.6 300.6 281.7 300.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5098.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 70.10 % Est. max temperature: -0.29 C = 31.47 F Sfc-Lift cond lev (LCL): 969.74 mb = 282.42 m = 926.57 ft T: -5.31 C 700-500 lapse rate: 5.10 C/km ThetaE index: 0.94 C Layer 726.0- 695.0 mb Conv cond level (CCL): 929.83 mb = 611.22 m = 2005.28 ft Mean mixing ratio: 2.29 g/kg Conv temperature: -1.91 C = 28.57 F Cap Strength: 8.08 C Lifted Index: 8.97 C Risk: None Lifted Index @300 mb: 27.73 C Lifted Index @700 mb: -0.18 C Showalter Index: 8.71 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 24.00 C K Index: 8.70 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 2.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.33 J/kg Max Up Vert Vel: 4.76 m/s Conv Inhibition (B-): 12.52 J/kg Cap Strength: 8.84 C Lift Cond Lev (LCL): 935.78 mb = 561.33 m = 1841.61 ft Lev Free Conv (LFC): 780.78 mb = 1938.07 m = 6358.43 ft Equ Level (EL): 690.78 mb = 2844.08 m = 9330.86 ft B at Equ Level: 10.04 J/kg Max Parcel Lev (MPL): 660.78 mb = 3165.09 m = 10384.04 ft Wind level data Storm motion: 335 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 1004 10 290 5 4.7 -1.7 | 167 17 -3.7 16.3 1 1000 42 295 5 4.5 -2.1 | 167 16 -3.8 15.9 2 925 652 300 19 16.5 -9.5 | 224 12 8.1 8.5 3 850 1303 310 15 11.5 -9.6 | 201 9 3.1 8.4 4 700 2748 315 27 19.1 -19.1 | 276 11 10.7 -1.1 5 500 5140 300 35 30.3 -17.5 | 269 22 22.0 0.5 6 400 6650 290 50 47.0 -17.1 | 269 39 38.6 0.9 7 350 7532 285 50 48.3 -12.9 | 263 40 39.9 5.1 8 300 8540 290 35 32.9 -12.0 | 256 25 24.5 6.1 9 250 9740 300 25 21.7 -12.5 | 247 14 13.3 5.5 10 200 11230 300 17 14.7 -8.5 | 214 11 6.4 9.5 11 150 13140 285 13 12.6 -3.4 | 196 15 4.2 14.7 12 100 15820 315 5 3.5 -3.5 | 162 15 -4.8 14.5 13 70 18170 205 5 2.1 4.5 | 165 23 -6.2 22.6 14 50 20380 205 11 4.6 10.0 | 172 28 -3.7 28.0 15 30 23750 190 15 2.6 14.8 | 170 33 -5.7 32.8 Wind Parameters Mean winds (0-6000m): 305.1 at 26.5 knts Storm direction: 335.1 at 19.9 knts Shear (0-3000m) pos: 3.5 neg: 0.5 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 107.9 deg Storm rel helicity (0-3000m) pos: 68.0 neg: -9.7 tot: 58.3 m^2/s^2 ave: 19.4 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.31 Bulk Shear: 36.43 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 ------------------------------------------------------------------------------- 500 298 10 182 13| 11.1 0.0 11.1| 33.2 0.0 33.2 66.4 0.86| 11.2 9.6 1000 301 14 198 12| 6.2 0.0 6.2| 42.3 -4.8 37.5 37.5 0.65| 8.4 5.5 1500 303 15 201 11| 4.2 0.0 4.2| 45.9 -9.6 36.3 24.2 0.51| 6.9 3.5 2000 306 16 206 10| 4.2 0.0 4.2| 54.7 -9.6 45.1 22.6 0.59| 6.2 3.7 2500 308 17 214 9| 4.2 0.0 4.2| 63.7 -9.6 54.1 21.6 0.64| 5.9 3.8 3000 310 19 225 9| 3.5 0.5 4.0| 68.0 -9.7 58.3 19.4 0.63| 5.4 3.4 4000 310 21 242 9| 2.6 0.9 3.6| 68.0 -12.2 55.8 13.9 0.53| 4.7 2.5 5000 308 24 252 11| 2.1 1.2 3.3| 68.0 -18.3 49.7 9.9 0.44| 4.2 1.9 6000 305 26 258 14| 1.8 1.9 3.6| 71.2 -19.6 51.6 8.6 0.36| 4.4 1.6 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250430.00.gif