UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:0000Z 27 APR 25 Station: UIBB WMO ident: 30309 Latitude: 56.07 Longitude: 101.83 Elevation: 489.00 ------------------------------------------------------------------------------- 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 103 SFC 962 489 3.8 2.1 89 1.7 3.0 160 1 280.0 280.8 278.0 292.8 4.62 2 956 529 7.0 4.4 83 2.6 5.7 180 5 283.8 284.7 280.9 299.1 5.48 3 943 617 7.4 3.6 77 3.8 5.5 224 12 285.3 286.2 281.4 300.1 5.25 4 925 742 6.4 1.5 71 4.9 4.1 285 23 285.9 286.7 280.8 298.9 4.61 5 884 1112 4.0 -0.1 75 4.1 2.1 282 25 287.1 287.8 281.0 299.4 4.29 6 873 1214 4.6 0.6 75 4.0 2.7 282 26 288.8 289.6 282.1 301.9 4.58 7 850 1431 3.4 -2.6 65 6.0 0.8 280 27 289.7 290.4 281.5 300.5 3.71 8 832 1604 2.2 -4.8 60 7.0 -0.7 282 30 290.2 290.8 281.1 299.6 3.21 9 747 2467 -3.3 -8.3 68 5.0 -5.2 293 48 293.3 293.8 282.0 301.5 2.73 10 727 2682 -2.3 -4.7 84 2.4 -3.3 296 52 296.7 297.4 284.5 307.8 3.71 11 719 2770 -2.7 -4.5 87 1.8 -3.5 297 54 297.2 297.9 284.8 308.6 3.81 12 700 2982 -3.7 -5.8 85 2.1 -4.6 300 58 298.4 299.0 284.9 309.1 3.54 13 584 4390 -11.7 -14.3 81 2.6 -12.5 303 59 304.9 305.3 285.9 311.8 2.16 14 500 5560 -19.7 -23.4 72 3.7 -20.5 305 60 309.0 309.2 286.4 312.9 1.16 15 489 5725 -20.8 -24.7 71 3.9 -21.6 305 62 309.6 309.8 286.5 313.2 1.06 16 432 6630 -26.9 -31.9 63 5.0 -27.6 305 58 313.1 313.2 287.1 315.2 0.61 17 400 7180 -32.1 -39.1 50 7.0 -32.8 305 56 313.3 313.3 286.9 314.4 0.32 18 370 7725 -36.3 -44.3 43 8.0 -36.9 304 57 314.8 314.8 287.2 315.5 0.20 19 358 7952 -38.9 -46.9 43 8.0 -39.4 303 58 314.2 314.3 287.0 314.8 0.16 20 308 8966 -46.1 -54.1 40 8.0 -46.4 300 60 318.0 318.0 288.2 318.3 0.08 21 300 9140 -47.9 -55.9 39 8.0 -48.1 300 60 317.8 317.9 288.1 318.1 0.07 22 250 10310 -57.7 -65.7 35 8.0 -57.8 310 58 320.3 320.3 288.9 320.4 0.02 23 226 10946 -63.5 -71.5 33 8.0 -63.6 308 58 320.8 320.8 289.0 320.8 0.01 24 201 11669 -65.9 -73.9 32 8.0 -66.0 305 58 327.9 327.9 291.2 328.0 0.01 25 200 11700 -65.5 -73.5 32 8.0 -65.5 305 58 329.0 329.0 291.5 329.1 0.01 26 190 12014 -60.1 -68.1 34 8.0 -60.2 307 54 342.6 342.6 295.0 342.7 0.02 27 150 13500 -54.9 -63.9 32 9.0 -55.2 315 33 375.5 375.5 301.5 375.7 0.05 28 123 14774 -52.9 -63.9 25 11.0 -53.3 310 25 401.1 401.1 305.4 401.3 0.06 29 100 16100 -55.7 -69.7 16 14.0 -56.1 305 17 420.1 420.1 307.7 420.3 0.03 30 70 18380 -53.9 -70.9 11 17.0 -54.6 315 9 469.1 469.1 312.6 469.3 0.04 31 50 20530 -53.1 -73.1 7 20.0 -54.3 310 11 518.3 518.4 316.2 518.6 0.04 32 49 20660 -54.1 -74.1 7 20.0 -55.2 519.0 519.0 316.2 519.2 0.03 TRP 201 11669 -65.9 -73.9 32 8.0 -66.0 305 58 327.9 327.9 291.2 328.0 0.01 WND 489 5725 -20.8 -24.7 71 3.9 -21.6 305 62 309.6 309.8 286.5 313.2 1.06 Sounding variables and indices 1000-500 mb thick: 5457.00 m Freezing level: 798.00 mb = 1949.28 m = 6395.20 ft Wetbulb zero: 840.40 mb = 1523.04 m = 4996.78 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 75.93 % Est. max temperature: 14.57 C = 58.23 F Sfc-Lift cond lev (LCL): 937.00 mb = 658.58 m = 2160.68 ft T: 7.07 C 700-500 lapse rate: 6.21 C/km ThetaE index: 2.25 C Layer 850.0- 747.0 mb Conv cond level (CCL): 788.67 mb = 2032.32 m = 6667.62 ft Mean mixing ratio: 4.67 g/kg Conv temperature: 15.41 C = 59.74 F Cap Strength: 8.26 C Lifted Index: 9.58 C Risk: None Lifted Index @300 mb: 13.08 C Lifted Index @700 mb: 6.01 C Showalter Index: 8.93 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 17.10 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 114.00 Risk: None Energy Index: 2.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.30 J/kg Max Up Vert Vel: 5.35 m/s Conv Inhibition (B-): 26433.70 J/kg Cap Strength: 9.51 C Lift Cond Lev (LCL): 855.05 mb = 1382.84 m = 4536.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 at 37 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 ---------------------------------------------------------- 0 962 489 160 1 -0.3 0.9 | 150 38 -18.9 32.7 1 925 742 285 23 22.2 -6.0 | 188 26 3.7 25.8 2 850 1431 280 27 26.6 -4.7 | 197 28 8.1 27.1 3 700 2982 300 58 50.2 -29.0 | 265 32 31.7 2.8 4 500 5560 305 60 49.1 -34.4 | 275 31 30.6 -2.6 5 489 5725 305 62 50.8 -35.6 | 277 32 32.3 -3.8 6 400 7180 305 56 45.9 -32.1 | 271 27 27.4 -0.3 7 300 9140 300 60 52.0 -30.0 | 267 33 33.5 1.8 8 250 10310 310 58 44.4 -37.3 | 282 26 25.9 -5.5 9 201 11669 305 58 47.5 -33.3 | 273 29 29.0 -1.5 10 200 11700 305 58 47.5 -33.3 | 273 29 29.0 -1.5 11 150 13500 315 33 23.3 -23.3 | 210 10 4.8 8.5 12 100 16100 305 17 13.9 -9.8 | 168 23 -4.6 22.0 13 70 18380 315 9 6.4 -6.4 | 154 28 -12.1 25.4 14 50 20530 310 11 8.4 -7.1 | 158 27 -10.1 24.7 Wind Parameters Mean winds (0-6000m): 299.8 at 49.0 knts Storm direction: 329.8 at 36.8 knts Shear (0-3000m) pos: 9.6 neg: 0.7 tot: 10.3 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 535.1 neg: 0.0 tot: 535.1 m^2/s^2 ave: 178.4 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 12.6 stream: 10.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.10 Bulk Shear: 144.36 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 ------------------------------------------------------------------------------- 500 284 17 176 28| 25.7 0.0 25.7|254.4 0.0 254.4 508.7 0.75| 36.2 27.2 1000 282 21 185 27| 12.9 2.0 14.9|281.3 0.0 281.3 281.3 0.77| 20.2 15.5 1500 283 25 192 27| 12.1 1.3 13.4|358.6 0.0 358.6 239.1 0.82| 17.1 14.0 2000 287 29 202 25| 11.7 1.0 12.7|439.4 0.0 439.4 219.7 0.85| 15.7 13.3 2500 291 34 214 24| 11.5 0.8 12.3|526.4 0.0 526.4 210.6 0.87| 14.9 12.9 3000 293 38 224 23| 9.6 0.7 10.3|535.1 0.0 535.1 178.4 0.87| 12.6 10.9 4000 296 43 238 24| 7.3 0.5 7.8|552.4 0.0 552.4 138.1 0.87| 9.7 8.5 5000 298 47 247 25| 6.0 0.4 6.4|569.8 0.0 569.8 114.0 0.87| 8.0 7.0 6000 300 49 253 25| 5.0 0.2 5.3|578.2 -11.8 566.4 94.4 0.82| 7.1 5.8 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20250427.00.gif