UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 19 APR 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 72 -7.1 -10.0 80 2.9 -7.9 330 3 265.7 266.0 265.0 270.6 1.78 1 1000 103 -7.3 -8.5 91 1.2 -7.7 330 3 265.9 266.2 265.5 271.3 2.01 2 938 601 -11.7 -12.4 95 0.7 -11.9 322 5 266.3 266.5 265.0 270.6 1.57 3 925 709 -12.3 -13.8 89 1.5 -12.6 320 5 266.7 267.0 265.1 270.6 1.42 4 873 1146 -15.5 -17.2 87 1.7 -15.9 317 5 267.9 268.0 265.3 271.0 1.14 5 850 1346 -16.5 -18.3 86 1.8 -16.9 315 5 268.9 269.0 265.9 271.9 1.06 6 779 1998 -19.3 -23.8 67 4.5 -20.0 308 6 272.6 272.8 267.8 274.7 0.72 7 733 2448 -21.5 -25.0 73 3.5 -22.0 304 7 275.0 275.1 269.3 277.1 0.68 8 700 2786 -23.9 -27.4 73 3.5 -24.4 300 7 276.0 276.1 269.8 277.7 0.58 9 500 5160 -40.9 -44.5 68 3.6 -41.1 270 11 283.2 283.2 273.2 283.7 0.15 10 452 5833 -45.3 -49.3 64 4.0 -45.4 279 12 285.9 286.0 274.7 286.3 0.09 11 400 6630 -50.9 -56.9 49 6.0 -51.0 290 13 288.8 288.8 276.2 289.0 0.04 12 385 6881 -52.3 -58.3 48 6.0 -52.4 290 15 290.2 290.2 276.8 290.3 0.04 13 324 8012 -51.1 -61.1 29 10.0 -51.3 297 16 306.5 306.5 284.0 306.6 0.03 14 300 8520 -48.7 -62.7 18 14.0 -49.0 300 17 316.7 316.7 287.7 316.8 0.03 15 268 9260 -46.5 -65.5 10 19.0 -47.0 297 17 330.3 330.3 291.8 330.4 0.02 16 250 9720 -45.3 -66.3 8 21.0 -45.9 295 17 338.7 338.7 294.0 338.8 0.02 17 240 9992 -44.9 -65.9 8 21.0 -45.6 295 17 343.3 343.3 295.1 343.4 0.02 18 200 11210 -45.1 -69.1 5 24.0 -45.9 295 17 361.4 361.4 299.0 361.4 0.02 19 150 13130 -45.3 -70.3 4 25.0 -46.3 285 17 392.0 392.0 304.1 392.1 0.02 20 100 15830 -46.3 -72.3 4 26.0 -47.6 270 15 438.3 438.3 309.7 438.4 0.02 21 97 16033 -46.5 -71.5 4 25.0 -47.8 270 16 441.7 441.7 310.1 441.9 0.03 22 70 18190 -48.7 -72.7 5 24.0 -50.1 265 21 480.2 480.2 313.5 480.4 0.03 23 50 20390 -49.9 -73.9 4 24.0 -51.5 265 19 525.9 525.9 316.7 526.1 0.03 24 31 23508 -53.1 -77.1 4 24.0 -54.9 256 17 594.3 594.3 320.3 594.5 0.03 25 30 23720 -52.7 -75.7 5 23.0 -54.6 255 17 601.0 601.0 320.7 601.3 0.04 26 21 26041 -50.3 -73.3 5 23.0 -53.4 246 17 672.8 672.8 323.6 673.5 0.09 27 20 26360 -50.3 -73.3 5 23.0 -53.5 245 17 682.2 682.2 323.9 683.0 0.09 28 15 28226 -53.1 -77.1 4 24.0 -56.3 731.4 731.4 325.4 732.0 0.07 29 12 29679 -48.7 -72.7 5 24.0 -53.9 795.2 795.3 327.1 796.9 0.17 TRP 385 6881 -52.3 -58.3 48 6.0 -52.4 290 15 290.2 290.2 276.8 290.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5057.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 76.01 % Est. max temperature: -4.16 C = 24.51 F Sfc-Lift cond lev (LCL): 958.65 mb = 431.80 m = 1416.64 ft T: -10.20 C 700-500 lapse rate: 7.16 C/km ThetaE index: 0.69 C Layer 938.0- 925.0 mb Conv cond level (CCL): 937.19 mb = 608.07 m = 1994.94 ft Mean mixing ratio: 1.66 g/kg Conv temperature: -6.53 C = 20.24 F Cap Strength: 5.90 C Lifted Index: 10.29 C Risk: None Lifted Index @300 mb: 32.55 C Lifted Index @700 mb: 5.90 C Showalter Index: 9.47 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 22.60 C K Index: 2.60 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 2.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.10 J/kg Max Up Vert Vel: 3.19 m/s Conv Inhibition (B-): 68862.78 J/kg Cap Strength: 10.14 C Lift Cond Lev (LCL): 936.99 mb = 609.66 m = 2000.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 319 at 6 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 72 330 3 1.5 -2.6 | 128 3 -2.3 1.8 1 1000 103 330 3 1.5 -2.6 | 128 3 -2.3 1.8 2 925 709 320 5 3.2 -3.8 | 135 1 -0.6 0.6 3 850 1346 315 5 3.5 -3.5 | 162 1 -0.3 0.9 4 700 2786 300 7 6.1 -3.5 | 247 2 2.2 0.9 5 500 5160 270 11 11.0 -0.0 | 238 8 7.2 4.4 6 400 6630 290 13 12.2 -4.4 | 270 8 8.4 -0.0 7 385 6881 290 15 14.1 -5.1 | 274 10 10.3 -0.7 8 300 8520 300 17 14.7 -8.5 | 290 12 10.9 -4.1 9 250 9720 295 17 15.4 -7.2 | 283 12 11.6 -2.8 10 200 11210 295 17 15.4 -7.2 | 283 12 11.6 -2.8 11 150 13130 285 17 16.4 -4.4 | 270 13 12.6 0.0 12 100 15830 270 15 15.0 -0.0 | 248 12 11.2 4.4 13 70 18190 265 21 20.9 1.8 | 250 18 17.1 6.3 14 50 20390 265 19 18.9 1.7 | 248 16 15.1 6.1 15 30 23720 255 17 16.4 4.4 | 235 15 12.6 8.8 16 20 26360 245 17 15.4 7.2 | 225 16 11.6 11.6 Wind Parameters Mean winds (0-6000m): 289.2 at 7.8 knts Storm direction: 319.2 at 5.9 knts Shear (0-3000m) pos: 0.0 neg: 0.9 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 120.7 deg Storm rel helicity (0-3000m) pos: 0.7 neg: -0.0 tot: 0.6 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 1.0 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.37 Bulk Shear: 3.71 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 ------------------------------------------------------------------------------- 500 326 4 128 2| 0.0 1.7 1.7| 0.0 -0.0 -0.0 -0.0 -0.01| 1.7 -0.0 1000 322 4 132 2| 0.0 1.1 1.1| 0.1 -0.0 0.1 0.1 0.15| 1.2 0.2 1500 319 5 139 1| 0.0 0.9 0.9| 0.2 -0.0 0.2 0.1 0.30| 1.0 0.3 2000 316 5 152 1| 0.0 0.9 0.9| 0.4 -0.0 0.4 0.2 0.43| 1.0 0.4 2500 313 5 176 1| 0.0 0.9 0.9| 0.6 -0.0 0.5 0.2 0.43| 1.0 0.4 3000 310 5 201 1| 0.0 0.9 0.9| 0.7 -0.0 0.6 0.2 0.38| 1.0 0.4 4000 303 6 232 2| 0.0 1.0 1.0| 0.7 -0.4 0.3 0.1 0.24| 1.1 0.2 5000 294 7 239 3| 0.0 1.0 1.0| 0.7 -1.9 -1.3 -0.3 0.10| 1.1 0.1 6000 289 8 242 4| 0.2 0.8 1.1| 6.8 -2.1 4.7 0.8 0.27| 1.2 0.3 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250419.00.gif