UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 30 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 43 260 5 SFC 996 76 4.0 -2.0 65 6.0 1.5 260 5 277.5 278.0 274.9 286.6 3.31 2 925 671 -0.3 -5.3 69 5.0 -2.1 265 9 279.0 279.5 275.0 286.8 2.78 3 850 1340 -6.3 -7.9 88 1.6 -6.8 275 19 279.5 280.0 274.9 286.6 2.48 4 824 1583 -8.7 -9.6 93 0.9 -9.0 272 21 279.5 279.9 274.5 285.9 2.24 5 700 2831 -17.1 -21.9 66 4.8 -18.0 255 29 283.5 283.7 274.8 286.4 0.95 6 641 3482 -21.7 -26.7 64 5.0 -22.5 258 30 285.6 285.7 275.4 287.6 0.67 7 519 4991 -34.7 -40.7 54 6.0 -35.1 264 33 287.6 287.7 275.8 288.3 0.21 8 500 5250 -34.9 -41.9 49 7.0 -35.4 265 33 290.5 290.5 277.2 291.1 0.19 9 489 5406 -35.3 -42.3 49 7.0 -35.8 267 33 291.9 291.9 277.9 292.5 0.19 10 452 5953 -39.1 -47.1 42 8.0 -39.5 275 35 293.7 293.7 278.7 294.1 0.12 11 400 6800 -36.7 -49.7 25 13.0 -37.4 265 36 307.3 307.3 284.4 307.7 0.10 12 300 8780 -37.1 -53.1 17 16.0 -38.1 250 38 333.1 333.1 292.6 333.4 0.09 13 250 10030 -38.9 -55.9 15 17.0 -39.9 245 42 348.2 348.2 296.3 348.6 0.08 14 203 11458 -39.3 -57.3 13 18.0 -40.5 236 36 369.0 369.0 300.4 369.3 0.08 15 200 11560 -39.7 -57.7 13 18.0 -40.9 235 36 369.9 369.9 300.6 370.3 0.08 16 150 13510 -44.3 -63.3 10 19.0 -45.3 225 31 393.7 393.7 304.3 394.0 0.05 17 100 16190 -47.9 -70.9 5 23.0 -49.0 225 27 435.2 435.2 309.4 435.3 0.03 18 89 16951 -48.1 -71.1 5 23.0 -49.3 227 24 449.5 449.5 310.8 449.7 0.03 19 70 18510 -51.5 -73.5 6 22.0 -52.5 230 19 474.2 474.2 313.0 474.4 0.03 20 63 19191 -53.7 -75.7 5 22.0 -54.6 483.9 483.9 313.8 484.0 0.02 TRP 452 5953 -39.1 -47.1 42 8.0 -39.5 275 35 293.7 293.7 278.7 294.1 0.12 WND Sounding variables and indices 1000-500 mb thick: 5207.00 m Freezing level: 929.95 mb = 629.46 m = 2065.12 ft Wetbulb zero: 966.32 mb = 319.13 m = 1047.00 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 69.02 % Est. max temperature: 6.07 C = 42.93 F Sfc-Lift cond lev (LCL): 907.75 mb = 819.92 m = 2689.98 ft T: -1.64 C 700-500 lapse rate: 7.36 C/km ThetaE index: 0.95 C Layer 850.0- 700.0 mb Conv cond level (CCL): 859.38 mb = 1253.21 m = 4111.55 ft Mean mixing ratio: 2.95 g/kg Conv temperature: 6.01 C = 42.83 F Cap Strength: 1.64 C Lifted Index: 3.81 C Risk: None Lifted Index @300 mb: 32.90 C Lifted Index @700 mb: 0.69 C Showalter Index: 3.93 C Risk: None Total Totals Index: 55.60 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.60 C Cross Totals Index: 27.00 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 203.00 Risk: None Energy Index: 0.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.25 J/kg Max Up Vert Vel: 4.06 m/s Conv Inhibition (B-): 17.36 J/kg Cap Strength: 3.54 C Lift Cond Lev (LCL): 872.09 mb = 1137.01 m = 3730.29 ft Lev Free Conv (LFC): 827.09 mb = 1553.51 m = 5096.77 ft Equ Level (EL): 777.09 mb = 2031.38 m = 6664.54 ft B at Equ Level: 8.22 J/kg Max Parcel Lev (MPL): 707.09 mb = 2753.86 m = 9034.87 ft Wind level data Storm motion: 294 at 19 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 ---------------------------------------------------------- 0 996 76 260 5 4.9 0.9 | 124 15 -12.8 8.6 1 925 671 265 9 9.0 0.8 | 134 12 -8.8 8.5 2 850 1340 275 19 18.9 -1.7 | 191 6 1.2 6.1 3 700 2831 255 29 28.0 7.5 | 214 18 10.3 15.3 4 500 5250 265 33 32.9 2.9 | 235 19 15.2 10.6 5 452 5953 275 35 34.9 -3.1 | 255 18 17.1 4.7 6 400 6800 265 36 35.9 3.1 | 239 21 18.1 10.9 7 300 8780 250 38 35.7 13.0 | 221 27 18.0 20.8 8 250 10030 245 42 38.1 17.7 | 219 33 20.3 25.5 9 200 11560 235 36 29.5 20.6 | 203 31 11.8 28.4 10 150 13510 225 31 21.9 21.9 | 188 30 4.2 29.7 11 100 16190 225 27 19.1 19.1 | 183 27 1.4 26.8 12 70 18510 230 19 14.6 12.2 | 171 20 -3.2 20.0 Wind Parameters Mean winds (0-6000m): 263.6 at 25.8 knts Storm direction: 293.6 at 19.3 knts Shear (0-3000m) pos: 2.7 neg: 1.9 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 92.1 deg Storm rel helicity (0-3000m) pos: 38.6 neg: -0.2 tot: 38.3 m^2/s^2 ave: 12.8 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.17 Bulk Shear: 48.40 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 ------------------------------------------------------------------------------- 500 263 7 128 14| 3.5 0.0 3.5| 7.7 0.0 7.7 15.5 0.61| 3.5 2.1 1000 266 9 134 12| 5.2 0.0 5.2| 20.7 0.0 20.7 20.7 0.68| 5.3 3.6 1500 270 12 144 10| 5.4 0.0 5.4| 29.8 0.0 29.8 19.9 0.74| 5.6 4.1 2000 269 15 159 8| 4.0 1.1 5.1| 33.8 0.0 33.8 16.9 0.66| 5.3 3.5 2500 266 17 175 9| 3.2 1.8 5.0| 35.6 0.0 35.6 14.2 0.56| 5.1 2.9 3000 264 19 186 10| 2.7 1.9 4.6| 38.6 -0.2 38.3 12.8 0.53| 4.8 2.5 4000 262 22 199 12| 2.3 1.4 3.7| 51.8 -0.2 51.6 12.9 0.57| 3.9 2.2 5000 262 24 208 13| 2.1 1.1 3.2| 65.6 -0.2 65.4 13.1 0.60| 3.4 2.1 6000 264 26 217 13| 2.1 1.0 3.1| 97.1 -3.2 93.9 15.6 0.64| 3.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250430.00.gif