UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 1 MAY 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 9 -0.3 -0.7 97 0.4 -0.4 225 13 272.5 273.1 272.4 282.2 3.61 1 1000 49 0.0 -0.3 98 0.3 -0.1 235 17 273.1 273.8 273.0 283.2 3.74 2 925 670 -3.3 -3.7 97 0.4 -3.4 295 25 275.9 276.5 273.8 284.6 3.14 3 894 939 -4.3 -4.6 98 0.3 -4.4 285 22 277.6 278.1 274.6 286.0 3.03 4 850 1335 -7.1 -7.6 96 0.5 -7.2 270 17 278.7 279.1 274.5 285.9 2.54 5 700 2822 -16.9 -18.2 90 1.3 -17.2 275 27 283.8 284.0 275.5 287.6 1.30 6 699 2833 -16.9 -18.2 90 1.3 -17.2 275 27 283.9 284.1 275.5 287.8 1.30 7 500 5250 -35.7 -37.5 83 1.8 -35.8 270 40 289.5 289.6 276.9 290.5 0.30 8 459 5840 -40.5 -42.5 81 2.0 -40.6 280 40 290.7 290.7 277.3 291.3 0.20 9 435 6205 -41.5 -43.7 79 2.2 -41.6 286 40 293.9 293.9 278.9 294.5 0.18 10 400 6770 -45.5 -48.1 75 2.6 -45.6 295 40 295.9 295.9 279.7 296.3 0.12 11 340 7838 -51.7 -54.4 73 2.7 -51.8 295 40 301.5 301.5 282.1 301.7 0.07 12 300 8650 -51.1 -54.2 69 3.1 -51.2 295 35 313.3 313.3 286.6 313.6 0.08 13 250 9850 -48.1 -52.2 62 4.1 -48.3 305 25 334.6 334.6 293.1 335.0 0.12 14 218 10751 -45.9 -50.7 58 4.8 -46.2 308 24 351.3 351.4 297.1 352.0 0.17 15 200 11320 -46.9 -52.9 50 6.0 -47.2 310 23 358.5 358.5 298.5 359.1 0.14 16 177 12129 -48.5 -54.5 50 6.0 -48.8 308 20 368.6 368.7 300.4 369.2 0.13 17 161 12758 -45.1 -52.1 45 7.0 -45.6 306 17 384.5 384.5 303.1 385.4 0.19 18 150 13230 -46.7 -54.7 40 8.0 -47.3 305 15 389.6 389.6 303.8 390.3 0.15 19 115 14980 -49.1 -59.1 30 10.0 -49.7 318 8 415.9 415.9 307.3 416.5 0.11 20 100 15900 -47.3 -57.3 31 10.0 -48.1 325 5 436.3 436.4 309.6 437.2 0.17 21 70 18260 -47.1 -59.1 24 12.0 -48.4 245 7 483.6 483.7 313.8 484.7 0.19 22 50 20480 -47.7 -62.7 16 15.0 -49.5 165 7 531.1 531.1 317.1 532.2 0.17 23 30 23850 -47.5 -64.5 12 17.0 -50.3 180 5 615.1 615.2 321.3 616.8 0.22 24 20 26530 -47.5 -66.5 10 19.0 -51.4 130 7 690.8 690.9 324.2 692.9 0.25 25 17 27601 -48.7 -67.7 9 19.0 -52.6 719.8 719.9 325.1 722.0 0.25 26 13 29387 -43.1 -64.1 8 21.0 -49.9 796.6 796.8 327.3 801.9 0.53 27 10 31156 -42.9 -64.9 7 22.0 -50.8 859.4 859.7 328.7 866.1 0.62 TRP 340 7838 -51.7 -54.4 73 2.7 -51.8 295 40 301.5 301.5 282.1 301.7 0.07 WND Sounding variables and indices 1000-500 mb thick: 5201.00 m Freezing level: Surface below freezing Freezing level: 1000.00 mb = 49.00 m = 160.76 ft Freezing level: 1000.00 mb = 49.00 m = 160.76 ft Wetbulb zero: Below ground Precipitable water: 0.41 inches Sfc-500 mean rel hum: 90.90 % Est. max temperature: 5.83 C = 42.49 F Sfc-Lift cond lev (LCL): 998.62 mb = 59.98 m = 196.77 ft T: -0.06 C 700-500 lapse rate: 7.74 C/km ThetaE index: 0.19 C Layer 850.0- 700.0 mb Conv cond level (CCL): 943.46 mb = 512.63 m = 1681.83 ft Mean mixing ratio: 3.38 g/kg Conv temperature: 2.47 C = 36.45 F Cap Strength: 2.86 C Lifted Index: 5.00 C Risk: None Lifted Index @300 mb: 20.72 C Lifted Index @700 mb: 2.77 C Showalter Index: 3.66 C Risk: None Total Totals Index: 56.70 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.60 C Cross Totals Index: 28.10 C K Index: 19.70 Risk: < 20 % chance of thunderstorms Sweat Index: 228.00 Risk: None Energy Index: 0.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.61 J/kg Max Up Vert Vel: 5.40 m/s Conv Inhibition (B-): 62478.42 J/kg Cap Strength: 4.91 C Lift Cond Lev (LCL): 948.66 mb = 468.80 m = 1538.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 at 22 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 9 225 13 9.2 9.2 | 157 23 -8.8 21.3 1 1000 49 235 17 13.9 9.8 | 169 22 -4.1 21.8 2 925 670 295 25 22.7 -10.6 | 252 5 4.6 1.5 3 850 1335 270 17 17.0 -0.0 | 175 12 -1.0 12.1 4 700 2822 275 27 26.9 -2.4 | 222 13 8.9 9.7 5 500 5250 270 40 40.0 -0.0 | 241 25 22.0 12.1 6 400 6770 295 40 36.3 -16.9 | 285 19 18.2 -4.8 7 340 7838 295 40 36.3 -16.9 | 285 19 18.2 -4.8 8 300 8650 295 35 31.7 -14.8 | 281 14 13.7 -2.7 9 250 9850 305 25 20.5 -14.3 | 313 3 2.4 -2.3 10 200 11320 310 23 17.6 -14.8 | 9 3 -0.4 -2.7 11 150 13230 305 15 12.3 -8.6 | 121 7 -5.7 3.5 12 100 15900 325 5 2.9 -4.1 | 118 17 -15.2 8.0 13 70 18260 245 7 6.3 3.0 | 142 19 -11.7 15.0 14 50 20480 165 7 -1.8 6.8 | 133 27 -19.8 18.8 15 30 23850 180 5 0.0 5.0 | 133 25 -18.0 17.1 16 20 26530 130 7 -5.4 4.5 | 125 29 -23.4 16.6 Wind Parameters Mean winds (0-6000m): 273.8 at 28.9 knts Storm direction: 303.8 at 21.7 knts Shear (0-3000m) pos: 4.5 neg: 0.8 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 67.8 deg Storm rel helicity (0-3000m) pos: 112.3 neg: -17.2 tot: 95.1 m^2/s^2 ave: 31.7 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.87 Bulk Shear: 16.69 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 ------------------------------------------------------------------------------- 500 259 20 184 16| 19.2 0.0 19.2| 71.5 0.0 71.5 143.1 0.72| 21.7 15.7 1000 277 21 199 10| 9.1 0.0 9.1| 79.1 -7.9 71.2 71.2 0.44| 17.0 7.5 1500 277 20 193 10| 6.1 1.7 7.7| 81.9 -17.2 64.7 43.1 0.30| 13.4 4.1 2000 276 20 192 10| 5.3 1.2 6.5| 92.5 -17.2 75.3 37.6 0.36| 10.9 3.9 2500 275 21 195 11| 4.8 1.0 5.8|103.1 -17.2 85.9 34.4 0.40| 9.5 3.8 3000 275 22 200 11| 4.5 0.8 5.3|112.3 -17.2 95.1 31.7 0.43| 8.4 3.6 4000 275 24 210 12| 3.4 0.8 4.1|124.3 -17.2 107.1 26.8 0.44| 7.0 3.1 5000 274 27 219 13| 2.7 1.1 3.8|134.6 -17.2 117.4 23.5 0.43| 6.2 2.7 6000 274 29 227 15| 2.8 0.9 3.7|184.7 -17.2 167.5 27.9 0.49| 6.0 2.9 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250501.12.gif