UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 21 OCT 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 1019 76 1.4 0.3 92 1.1 1.0 180 1 273.1 273.7 273.1 283.4 3.83 1 1000 227 1.2 0.1 92 1.1 0.7 185 3 274.4 275.0 273.9 284.8 3.85 2 952 622 0.2 -1.2 90 1.4 -0.4 207 3 277.2 277.8 275.3 287.3 3.67 3 925 852 -0.9 -2.3 90 1.4 -1.4 220 3 278.4 279.0 275.6 288.1 3.49 4 850 1523 -3.9 -5.5 89 1.6 -4.5 235 7 282.1 282.6 276.9 290.5 2.98 5 719 2826 -11.7 -13.5 86 1.8 -12.2 235 12 287.3 287.6 278.1 292.9 1.87 6 700 3031 -13.3 -15.3 85 2.0 -13.8 235 13 287.8 288.0 278.0 292.7 1.66 7 518 5249 -30.7 -32.9 81 2.2 -30.9 208 18 292.6 292.7 278.7 294.1 0.46 8 500 5500 -32.1 -35.7 70 3.6 -32.4 205 19 293.9 294.0 279.1 295.1 0.36 9 466 5994 -34.7 -38.4 69 3.7 -35.0 210 22 296.6 296.7 280.3 297.6 0.30 10 400 7040 -42.9 -46.8 65 3.9 -43.1 220 29 299.2 299.3 281.2 299.7 0.14 11 380 7383 -45.9 -49.8 65 3.9 -46.0 222 30 299.7 299.7 281.4 300.1 0.11 12 306 8794 -54.9 -59.0 60 4.1 -55.0 230 35 306.2 306.2 284.0 306.4 0.04 13 300 8920 -54.7 -58.8 60 4.1 -54.8 230 35 308.2 308.3 284.7 308.4 0.05 14 250 10080 -53.7 -58.3 57 4.6 -53.8 245 35 326.2 326.2 290.7 326.5 0.06 15 200 11520 -53.5 -59.5 48 6.0 -53.7 250 33 348.0 348.1 296.3 348.3 0.06 16 177 12311 -53.1 -60.1 42 7.0 -53.3 254 30 361.1 361.1 299.0 361.4 0.07 17 150 13380 -54.7 -63.7 32 9.0 -54.9 260 27 375.8 375.8 301.6 376.1 0.05 18 100 15950 -58.3 -68.3 27 10.0 -58.6 280 19 415.1 415.1 307.2 415.3 0.04 19 99 16014 -58.3 -68.3 27 10.0 -58.6 280 19 416.3 416.3 307.3 416.5 0.04 20 70 18190 -60.7 -72.7 19 12.0 -61.0 295 15 454.5 454.5 311.3 454.7 0.03 21 63 18845 -60.9 -72.9 19 12.0 -61.2 468.0 468.0 312.5 468.2 0.03 TRP 306 8794 -54.9 -59.0 60 4.1 -55.0 230 35 306.2 306.2 284.0 306.4 0.04 WND Sounding variables and indices 1000-500 mb thick: 5273.00 m Freezing level: 947.09 mb = 663.74 m = 2177.61 ft Wetbulb zero: 968.83 mb = 481.21 m = 1578.74 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 85.64 % Est. max temperature: 9.47 C = 49.04 F Sfc-Lift cond lev (LCL): 1001.60 mb = 214.19 m = 702.70 ft T: 1.22 C 700-500 lapse rate: 7.61 C/km ThetaE index: 0.16 C Layer 700.0- 518.0 mb Conv cond level (CCL): 900.39 mb = 1065.98 m = 3497.27 ft Mean mixing ratio: 3.71 g/kg Conv temperature: 7.92 C = 46.25 F Cap Strength: 6.08 C Lifted Index: 6.93 C Risk: None Lifted Index @300 mb: 15.59 C Lifted Index @700 mb: 4.84 C Showalter Index: 3.74 C Risk: None Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 26.60 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 149.00 Risk: None Energy Index: 0.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.34 J/kg Max Up Vert Vel: 6.06 m/s Conv Inhibition (B-): 24370.30 J/kg Cap Strength: 6.54 C Lift Cond Lev (LCL): 948.42 mb = 652.07 m = 2139.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 249 at 9 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 1019 76 180 1 0.0 1.0 | 75 9 -8.6 -2.2 1 1000 227 185 3 0.3 3.0 | 88 8 -8.3 -0.2 2 925 852 220 3 1.9 2.3 | 82 7 -6.6 -0.9 3 850 1523 235 7 5.7 4.0 | 105 3 -2.8 0.8 4 700 3031 235 13 10.6 7.5 | 206 5 2.1 4.2 5 500 5500 205 19 8.0 17.2 | 178 14 -0.5 14.0 6 400 7040 220 29 18.6 22.2 | 208 21 10.1 19.0 7 306 8794 230 35 26.8 22.5 | 223 27 18.2 19.3 8 300 8920 230 35 26.8 22.5 | 223 27 18.2 19.3 9 250 10080 245 35 31.7 14.8 | 243 26 23.2 11.6 10 200 11520 250 33 31.0 11.3 | 250 24 22.4 8.1 11 150 13380 260 27 26.6 4.7 | 265 18 18.0 1.5 12 100 15950 280 19 18.7 -3.3 | 303 12 10.1 -6.5 13 70 18190 295 15 13.6 -6.3 | 332 11 5.0 -9.6 Wind Parameters Mean winds (0-6000m): 219.3 at 12.2 knts Storm direction: 249.3 at 9.2 knts Shear (0-3000m) pos: 1.1 neg: 1.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 130.1 deg Storm rel helicity (0-3000m) pos: 10.2 neg: -1.4 tot: 8.8 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 2.4 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.42 Bulk Shear: 12.93 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 ------------------------------------------------------------------------------- 500 192 3 86 8| 2.2 0.0 2.2| 4.3 -0.6 3.7 7.5 0.56| 3.0 1.7 1000 206 3 86 7| 1.9 0.0 1.9| 5.3 -1.4 3.9 3.9 0.36| 2.6 0.9 1500 220 4 88 6| 2.3 0.0 2.3| 6.8 -1.4 5.4 3.6 0.40| 2.8 1.1 2000 226 5 93 5| 1.7 0.5 2.2| 8.0 -1.4 6.6 3.3 0.50| 2.6 1.3 2500 229 6 100 4| 1.4 0.8 2.2| 9.2 -1.4 7.8 3.1 0.56| 2.5 1.4 3000 231 7 112 3| 1.1 1.0 2.2| 10.2 -1.4 8.8 2.9 0.56| 2.4 1.3 4000 230 9 144 3| 0.9 1.1 2.0| 10.2 -3.9 6.2 1.6 0.35| 2.3 0.8 5000 225 11 165 4| 0.7 1.2 1.9| 10.2 -9.3 0.9 0.2 0.20| 2.3 0.5 6000 219 12 172 6| 0.9 1.2 2.1| 23.5 -12.6 11.0 1.8 0.24| 2.4 0.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251021.00.gif