UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:0000Z 22 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 71 SFC 958 489 -1.7 -7.7 64 6.0 -3.7 290 3 274.8 275.2 271.7 281.0 2.23 2 925 691 -4.9 -8.8 74 3.9 -6.1 265 17 274.3 274.7 271.2 280.2 2.12 3 862 1242 -9.3 -11.7 83 2.4 -10.0 278 29 275.3 275.6 271.4 280.4 1.81 4 850 1350 -9.7 -12.2 82 2.5 -10.4 280 31 276.0 276.3 271.7 281.0 1.76 5 841 1432 -10.5 -13.0 82 2.5 -11.2 281 31 276.0 276.3 271.6 280.7 1.67 6 836 1478 -10.1 -12.7 81 2.6 -10.8 281 30 276.9 277.2 272.2 281.8 1.72 7 744 2365 -16.3 -19.4 77 3.1 -17.0 290 27 279.5 279.7 272.8 282.8 1.10 8 700 2820 -20.1 -26.1 59 6.0 -21.0 295 25 280.2 280.3 272.4 282.2 0.65 9 600 3943 -28.9 -34.9 56 6.0 -29.5 284 23 282.7 282.7 273.3 283.7 0.33 10 500 5230 -35.5 -40.1 63 4.6 -35.8 270 21 289.8 289.8 276.9 290.5 0.23 11 443 6062 -39.7 -44.7 59 5.0 -40.0 273 23 294.7 294.7 279.2 295.2 0.16 12 400 6750 -45.3 -50.3 57 5.0 -45.5 275 25 296.1 296.1 279.7 296.5 0.10 13 348 7668 -52.1 -57.1 55 5.0 -52.2 280 23 299.0 299.0 281.0 299.1 0.05 14 300 8640 -47.9 -53.9 50 6.0 -48.1 285 31 317.8 317.9 288.1 318.2 0.08 15 268 9392 -43.7 -52.7 36 9.0 -44.2 300 26 334.4 334.4 293.0 334.8 0.11 16 250 9860 -43.7 -54.7 29 11.0 -44.2 310 23 341.1 341.1 294.7 341.5 0.09 17 200 11350 -44.7 -62.7 12 18.0 -45.4 290 33 362.0 362.0 299.1 362.2 0.04 18 166 12598 -44.1 -65.1 8 21.0 -45.1 382.8 382.8 302.7 383.0 0.04 TRP 348 7668 -52.1 -57.1 55 5.0 -52.2 280 23 299.0 299.0 281.0 299.1 0.05 WND Sounding variables and indices 1000-500 mb thick: 5159.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 66.90 % Est. max temperature: 1.13 C = 34.03 F Sfc-Lift cond lev (LCL): 871.75 mb = 1153.83 m = 3785.47 ft T: -8.60 C 700-500 lapse rate: 6.39 C/km ThetaE index: 0.81 C Layer 925.0- 862.0 mb Conv cond level (CCL): 823.96 mb = 1588.22 m = 5210.64 ft Mean mixing ratio: 2.02 g/kg Conv temperature: 0.69 C = 33.23 F Cap Strength: 3.13 C Lifted Index: 8.07 C Risk: None Lifted Index @300 mb: 26.55 C Lifted Index @700 mb: 2.26 C Showalter Index: 7.66 C Risk: None Total Totals Index: 49.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 23.30 C K Index: 7.60 Risk: None Sweat Index: 85.00 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.40 J/kg Max Up Vert Vel: 1.67 m/s Conv Inhibition (B-): 9430.94 J/kg Cap Strength: 7.81 C Lift Cond Lev (LCL): 855.34 mb = 1301.57 m = 4270.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 18 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 ---------------------------------------------------------- 0 958 489 290 3 2.8 -1.0 | 135 15 -10.6 10.6 1 925 691 265 17 16.9 1.5 | 195 14 3.5 13.1 2 850 1350 280 31 30.5 -5.4 | 250 18 17.1 6.2 3 700 2820 295 25 22.7 -10.6 | 264 9 9.2 1.0 4 500 5230 270 21 21.0 -0.0 | 213 14 7.6 11.6 5 400 6750 275 25 24.9 -2.2 | 231 15 11.5 9.4 6 348 7668 280 23 22.7 -4.0 | 231 12 9.2 7.6 7 300 8640 285 31 29.9 -8.0 | 258 17 16.5 3.6 8 250 9860 310 23 17.6 -14.8 | 307 5 4.2 -3.2 9 200 11350 290 33 31.0 -11.3 | 269 18 17.6 0.3 Wind Parameters Mean winds (0-6000m): 280.9 at 23.6 knts Storm direction: 310.9 at 17.7 knts Shear (0-3000m) pos: 1.6 neg: 3.5 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 110.7 deg Storm rel helicity (0-3000m) pos: 110.7 neg: -7.7 tot: 103.0 m^2/s^2 ave: 34.3 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 4.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 11.43 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 ------------------------------------------------------------------------------- 500 269 15 189 12| 0.0 21.1 21.1| 65.2 0.0 65.2 130.5 0.91| 22.2 20.3 1000 275 21 218 12| 4.3 10.5 14.9|100.6 0.0 100.6 100.6 0.91| 15.9 14.4 1500 278 24 231 13| 2.9 7.0 9.9|105.7 0.0 105.7 70.5 0.85| 11.7 10.0 2000 281 25 238 13| 2.3 5.3 7.6|109.2 0.0 109.2 54.6 0.81| 9.6 7.8 2500 283 25 242 12| 1.9 4.2 6.1|110.7 -1.8 108.8 43.5 0.75| 8.2 6.2 3000 285 25 243 12| 1.6 3.5 5.1|110.7 -7.7 103.0 34.3 0.66| 7.3 4.8 4000 284 24 241 12| 1.2 2.7 3.9|110.7 -19.5 91.2 22.8 0.51| 6.0 3.1 5000 283 24 237 12| 0.9 2.2 3.2|112.9 -28.2 84.7 16.9 0.43| 5.2 2.2 6000 281 24 234 12| 0.9 1.9 2.8|123.8 -28.2 95.6 15.9 0.46| 4.6 2.1 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20250422.00.gif