UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 29 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 ------------------------------------------------------------------------------- 0 1000 17 140 5 SFC 993 76 12.6 10.1 85 2.5 11.2 140 5 286.3 287.7 284.6 308.2 7.83 2 956 395 11.6 10.2 91 1.4 10.8 161 7 288.4 289.9 285.8 311.5 8.19 3 925 672 13.4 10.6 83 2.8 11.7 180 9 293.0 294.6 288.1 317.9 8.70 4 880 1092 11.0 6.2 72 4.8 8.3 189 10 294.7 295.9 286.9 314.4 6.77 5 850 1382 8.8 5.6 80 3.2 7.1 195 11 295.4 296.6 287.1 314.9 6.72 6 788 2002 4.4 3.5 94 0.9 3.9 201 14 297.1 298.3 287.2 315.5 6.25 7 700 2952 -2.5 -3.4 94 0.9 -2.9 210 19 299.7 300.5 286.2 312.5 4.25 8 696 2997 -3.1 -4.0 93 0.9 -3.5 210 19 299.5 300.3 286.0 311.8 4.09 9 673 3264 -3.1 -5.0 87 1.9 -3.9 212 20 302.4 303.2 286.9 314.4 3.92 10 637 3696 -6.7 -8.1 90 1.4 -7.2 214 22 303.1 303.7 286.5 313.2 3.26 11 587 4332 -9.3 -12.3 79 3.0 -10.4 218 24 307.3 307.7 287.2 315.3 2.53 12 500 5550 -18.9 -26.9 49 8.0 -20.5 225 29 310.0 310.2 286.4 312.8 0.84 13 485 5776 -20.5 -29.5 44 9.0 -22.2 227 30 310.7 310.9 286.4 313.1 0.68 14 425 6743 -25.7 -36.7 35 11.0 -27.2 236 33 316.1 316.1 287.9 317.4 0.39 15 400 7180 -28.9 -40.9 31 12.0 -30.2 240 35 317.4 317.5 288.2 318.4 0.27 16 300 9170 -45.1 -57.1 25 12.0 -45.5 250 42 321.8 321.8 289.3 322.0 0.06 17 276 9720 -50.1 -62.1 23 12.0 -50.4 255 44 322.3 322.3 289.5 322.5 0.03 18 250 10360 -53.5 -66.5 19 13.0 -53.7 260 46 326.5 326.5 290.7 326.6 0.02 19 232 10839 -55.7 -69.7 16 14.0 -55.9 265 46 330.2 330.2 291.8 330.3 0.01 20 200 11790 -53.9 -69.9 12 16.0 -54.2 270 46 347.4 347.4 296.1 347.5 0.02 21 185 12293 -52.5 -70.5 10 18.0 -52.9 271 43 357.5 357.5 298.2 357.6 0.02 22 161 13186 -55.1 -75.1 7 20.0 -55.4 274 38 367.6 367.6 300.1 367.7 0.01 23 150 13640 -53.5 -73.5 7 20.0 -53.9 275 35 377.9 377.9 301.9 378.0 0.01 24 137 14227 -51.7 -72.7 6 21.0 -52.2 277 33 391.0 391.0 303.9 391.1 0.02 25 100 16260 -54.1 -76.1 5 22.0 -54.6 285 25 423.2 423.2 308.1 423.3 0.01 26 89 17005 -54.7 -76.7 5 22.0 -55.3 292 24 436.3 436.3 309.5 436.4 0.01 27 70 18540 -54.7 -75.7 6 21.0 -55.4 305 21 467.4 467.4 312.4 467.5 0.02 28 50 20690 -55.7 -76.7 6 21.0 -56.6 320 13 512.2 512.2 315.8 512.4 0.02 29 37 22607 -55.5 -77.5 5 22.0 -56.7 355 9 558.8 558.8 318.6 559.0 0.03 30 30 23950 -53.1 -76.1 4 23.0 -54.9 20 7 599.9 599.9 320.6 600.2 0.04 31 20 26590 -49.9 -72.9 5 23.0 -53.2 30 13 683.4 683.5 323.9 684.3 0.10 32 10 31200 -41.9 -65.9 6 24.0 -50.5 60 19 863.1 863.4 328.8 869.0 0.54 33 9.1 31840 -40.7 -64.7 6 24.0 -50.3 891.3 891.7 329.4 899.2 0.70 TRP 232 10839 -55.7 -69.7 16 14.0 -55.9 265 46 330.2 330.2 291.8 330.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5533.00 m Freezing level: 731.88 mb = 2607.82 m = 8555.73 ft Wetbulb zero: 737.35 mb = 2534.96 m = 8316.71 ft Precipitable water: 1.03 inches Sfc-500 mean rel hum: 81.60 % Est. max temperature: 21.82 C = 71.27 F Sfc-Lift cond lev (LCL): 956.33 mb = 392.00 m = 1286.06 ft T: 11.61 C 700-500 lapse rate: 6.31 C/km ThetaE index: 3.65 C Layer 700.0- 673.0 mb Conv cond level (CCL): 841.52 mb = 1464.05 m = 4803.27 ft Mean mixing ratio: 8.14 g/kg Conv temperature: 21.86 C = 71.34 F Cap Strength: 3.12 C Lifted Index: 1.18 C Risk: Showers probable Lifted Index @300 mb: 6.15 C Lifted Index @700 mb: -0.12 C Showalter Index: 0.42 C Risk: Thunderstorms probable Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 24.50 C K Index: 32.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 182.20 Risk: None Energy Index: -0.45 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.87 J/kg Max Up Vert Vel: 8.35 m/s Conv Inhibition (B-): 128.13 J/kg Cap Strength: 3.12 C Lift Cond Lev (LCL): 906.88 mb = 838.66 m = 2751.46 ft Lev Free Conv (LFC): 701.88 mb = 2930.45 m = 9614.20 ft Equ Level (EL): 681.88 mb = 3159.71 m = 10366.38 ft B at Equ Level: 32.46 J/kg Max Parcel Lev (MPL): 591.88 mb = 4267.17 m = 13999.72 ft Wind level data Storm motion: 244 at 14 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 ---------------------------------------------------------- 0 993 76 140 5 -3.2 3.8 | 81 16 -16.0 -2.4 1 925 672 180 9 0.0 9.0 | 102 13 -12.8 2.7 2 850 1382 195 11 2.8 10.6 | 114 11 -10.0 4.4 3 700 2952 210 19 9.5 16.5 | 162 11 -3.3 10.2 4 500 5550 225 29 20.5 20.5 | 208 16 7.7 14.2 5 400 7180 240 35 30.3 17.5 | 237 21 17.5 11.2 6 300 9170 250 42 39.5 14.4 | 253 28 26.6 8.1 7 250 10360 260 46 45.3 8.0 | 267 33 32.5 1.7 8 232 10839 265 46 45.8 4.0 | 274 33 33.0 -2.3 9 200 11790 270 46 46.0 -0.0 | 281 34 33.2 -6.3 10 150 13640 275 35 34.9 -3.1 | 293 24 22.0 -9.3 11 100 16260 285 25 24.1 -6.5 | 318 17 11.3 -12.7 12 70 18540 305 21 17.2 -12.0 | 347 19 4.4 -18.3 13 50 20690 320 13 8.4 -10.0 | 15 17 -4.5 -16.2 14 30 23950 20 7 -2.4 -6.6 | 50 20 -15.2 -12.8 15 20 26590 30 13 -6.5 -11.3 | 48 26 -19.3 -17.5 16 10 31200 60 19 -16.5 -9.5 | 62 33 -29.3 -15.8 Wind Parameters Mean winds (0-6000m): 213.9 at 19.0 knts Storm direction: 243.9 at 14.3 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 55.4 neg: 0.0 tot: 55.4 m^2/s^2 ave: 18.5 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.07 Bulk Shear: 32.68 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 ------------------------------------------------------------------------------- 500 163 7 90 15| 5.2 0.0 5.2| 18.4 0.0 18.4 36.8 0.88| 5.3 4.7 1000 175 8 97 14| 4.0 0.0 4.0| 26.1 0.0 26.1 26.1 0.83| 4.2 3.5 1500 183 9 102 13| 3.5 0.0 3.5| 32.2 0.0 32.2 21.4 0.83| 3.7 3.0 2000 189 10 108 12| 3.3 0.0 3.3| 39.9 0.0 39.9 19.9 0.86| 3.5 3.0 2500 194 11 115 11| 3.2 0.0 3.2| 47.7 0.0 47.7 19.1 0.89| 3.4 3.0 3000 198 12 122 11| 3.2 0.0 3.2| 55.4 0.0 55.4 18.5 0.90| 3.3 3.0 4000 204 15 136 10| 2.9 0.0 2.9| 67.9 0.0 67.9 17.0 0.91| 3.0 2.7 5000 209 17 152 10| 2.8 0.0 2.8| 82.2 0.0 82.2 16.4 0.90| 2.9 2.6 6000 214 19 167 10| 2.7 0.0 2.7|102.8 0.0 102.8 17.1 0.90| 2.9 2.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250429.00.gif