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 U8275... Searching the city database file for: U8275 ... Date:1200Z 1 MAY 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 1006 49 16.0 1.0 36 15.0 8.6 200 11 288.7 289.4 281.5 300.4 4.08 1 1000 100 14.2 -0.8 36 15.0 7.2 205 13 287.4 288.0 280.3 297.7 3.60 2 991 176 13.2 -1.8 35 15.0 6.3 207 14 287.1 287.7 279.9 296.8 3.38 3 925 748 8.0 -4.0 42 12.0 2.9 220 23 287.5 288.0 279.7 296.4 3.07 4 850 1441 1.0 -7.0 55 8.0 -2.0 240 23 287.2 287.7 279.0 294.9 2.66 5 817 1756 -2.1 -8.1 63 6.0 -4.3 242 23 287.2 287.6 278.9 294.6 2.54 6 700 2960 -10.5 -14.9 70 4.4 -11.8 250 25 290.9 291.2 279.6 296.0 1.72 7 598 4151 -19.5 -22.7 76 3.2 -20.1 248 33 293.8 294.0 280.0 297.1 1.03 8 592 4225 -19.9 -23.2 75 3.3 -20.5 248 33 294.2 294.4 280.1 297.4 1.00 9 529 5052 -24.7 -33.7 43 9.0 -25.9 246 39 298.1 298.2 281.1 299.5 0.42 10 500 5460 -27.5 -35.5 46 8.0 -28.4 245 42 299.5 299.6 281.7 300.8 0.37 11 458 6086 -32.1 -39.1 50 7.0 -32.7 243 46 301.4 301.4 282.3 302.3 0.28 12 410 6860 -36.9 -45.9 39 9.0 -37.5 241 51 304.9 304.9 283.5 305.4 0.15 13 400 7030 -38.1 -48.1 34 10.0 -38.7 240 52 305.5 305.5 283.8 305.9 0.12 14 315 8633 -50.5 -60.5 30 10.0 -50.7 244 62 309.8 309.8 285.3 310.0 0.04 15 300 8950 -52.2 -62.2 29 10.0 -52.4 245 64 311.8 311.8 286.0 312.0 0.03 16 290 9168 -53.3 -63.3 29 10.0 -53.5 245 64 313.2 313.2 286.5 313.3 0.03 17 250 10120 -54.3 -64.3 28 10.0 -54.5 245 56 325.3 325.3 290.4 325.4 0.03 18 241 10355 -54.7 -65.7 24 11.0 -54.9 246 54 328.2 328.2 291.2 328.3 0.02 19 232 10601 -51.1 -63.1 23 12.0 -51.4 247 53 337.2 337.2 293.7 337.4 0.03 20 200 11570 -49.5 -63.5 18 14.0 -49.9 250 46 354.4 354.4 297.6 354.5 0.04 21 184 12118 -48.1 -64.1 14 16.0 -48.7 250 43 365.2 365.2 299.7 365.4 0.04 22 150 13460 -49.7 -68.7 9 19.0 -50.3 250 35 384.4 384.4 303.0 384.5 0.02 23 143 13772 -50.3 -70.3 8 20.0 -50.9 251 35 388.7 388.7 303.6 388.8 0.02 24 100 16100 -51.7 -73.7 5 22.0 -52.4 260 33 427.8 427.8 308.6 427.9 0.02 25 87 17006 -49.5 -73.5 4 24.0 -50.5 254 29 449.6 449.6 310.8 449.8 0.02 26 85 17158 -49.3 -73.3 4 24.0 -50.4 253 28 453.0 453.1 311.1 453.2 0.02 27 76 17886 -51.7 -74.7 5 23.0 -52.7 248 25 462.8 462.8 312.0 462.9 0.02 28 70 18420 -50.5 -73.5 5 23.0 -51.7 245 23 476.3 476.4 313.2 476.5 0.03 29 68 18609 -50.5 -73.5 5 23.0 -51.7 247 22 480.3 480.3 313.5 480.5 0.03 30 58 19641 -52.1 -75.1 5 23.0 -53.3 256 20 499.1 499.1 314.9 499.2 0.02 31 50 20600 -52.3 -75.3 5 23.0 -53.6 265 17 520.2 520.2 316.3 520.4 0.03 32 41 21881 -53.1 -76.1 4 23.0 -54.5 548.6 548.6 318.1 548.8 0.03 33 32 23482 -52.1 -75.1 5 23.0 -54.0 591.6 591.6 320.2 591.9 0.04 TRP 290 9168 -53.3 -63.3 29 10.0 -53.5 245 64 313.2 313.2 286.5 313.3 0.03 WND 300 8950 -52.2 -62.2 29 10.0 -52.4 245 64 311.8 311.8 286.0 312.0 0.03 Sounding variables and indices 1000-500 mb thick: 5360.00 m Freezing level: 839.35 mb = 1542.62 m = 5061.02 ft Wetbulb zero: 880.95 mb = 1147.90 m = 3766.03 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 59.20 % Est. max temperature: 14.57 C = 58.22 F Sfc-Lift cond lev (LCL): 802.36 mb = 1896.83 m = 6223.11 ft T: -3.08 C 700-500 lapse rate: 6.80 C/km ThetaE index: 5.82 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 762.38 mb = 2294.98 m = 7529.36 ft Mean mixing ratio: 3.24 g/kg Conv temperature: 16.20 C = 61.16 F Cap Strength: 3.11 C Lifted Index: 3.77 C Risk: None Lifted Index @300 mb: 10.79 C Lifted Index @700 mb: 0.85 C Showalter Index: 5.06 C Risk: None Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 20.50 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 123.89 Risk: None Energy Index: 1.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.97 J/kg Max Up Vert Vel: 2.82 m/s Conv Inhibition (B-): 36762.01 J/kg Cap Strength: 3.56 C Lift Cond Lev (LCL): 779.16 mb = 2125.46 m = 6973.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 273 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 1006 49 200 11 3.8 10.3 | 122 21 -18.2 11.3 1 1000 100 205 13 5.5 11.8 | 128 21 -16.5 12.8 2 925 748 220 23 14.8 17.6 | 159 20 -7.2 18.6 3 850 1441 240 23 19.9 11.5 | 171 13 -2.0 12.5 4 700 2960 250 25 23.5 8.6 | 189 10 1.5 9.6 5 500 5460 245 42 38.1 17.7 | 221 25 16.1 18.8 6 400 7030 240 52 45.0 26.0 | 221 36 23.1 27.0 7 300 8950 245 64 58.0 27.0 | 232 46 36.0 28.1 8 290 9168 245 64 58.0 27.0 | 232 46 36.0 28.1 9 250 10120 245 56 50.8 23.7 | 229 38 28.8 24.7 10 200 11570 250 46 43.2 15.7 | 232 27 21.3 16.7 11 150 13460 250 35 32.9 12.0 | 220 17 10.9 13.0 12 100 16100 260 33 32.5 5.7 | 237 13 10.5 6.7 13 70 18420 245 23 20.8 9.7 | 174 11 -1.1 10.7 14 50 20600 265 17 16.9 1.5 | 116 6 -5.0 2.5 Wind Parameters Mean winds (0-6000m): 242.6 at 29.3 knts Storm direction: 272.6 at 22.0 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 70.0 deg Storm rel helicity (0-3000m) pos: 97.9 neg: 0.0 tot: 97.9 m^2/s^2 ave: 32.6 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 42.22 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 ------------------------------------------------------------------------------- 500 211 16 137 20| 10.1 0.0 10.1| 53.0 0.0 53.0 105.9 0.99| 10.1 10.0 1000 218 19 148 19| 7.4 0.0 7.4| 79.3 0.0 79.3 79.3 0.88| 8.7 7.6 1500 224 20 154 17| 5.6 0.0 5.6| 87.0 0.0 87.0 58.0 0.78| 7.4 5.8 2000 229 21 159 16| 4.5 0.0 4.5| 90.6 0.0 90.6 45.3 0.77| 6.0 4.6 2500 233 22 162 15| 3.9 0.0 3.9| 94.0 0.0 94.0 37.6 0.77| 5.1 3.9 3000 236 22 166 14| 3.5 0.0 3.5| 97.9 0.0 97.9 32.6 0.78| 4.6 3.5 4000 240 24 175 13| 2.6 0.9 3.5|111.5 0.0 111.5 27.9 0.74| 4.3 3.2 5000 242 26 186 14| 2.1 1.4 3.5|123.4 0.0 123.4 24.7 0.67| 4.2 2.8 6000 243 29 196 15| 1.7 1.8 3.5|128.7 0.0 128.7 21.4 0.59| 4.1 2.4 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250501.12.gif