UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 17 DEC 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 120 SFC 962 489 -10.5 -13.0 82 2.5 -11.1 0 0 265.6 265.8 264.3 269.6 1.46 2 959 507 -9.9 -12.0 85 2.1 -10.4 13 1 266.4 266.7 265.1 270.7 1.59 3 925 721 -11.3 -13.1 87 1.8 -11.8 165 9 267.8 268.0 266.0 271.9 1.50 4 916 796 -11.9 -13.6 87 1.7 -12.3 175 9 267.9 268.1 266.0 271.9 1.46 5 908 863 -11.1 -12.8 87 1.7 -11.5 184 10 269.4 269.6 267.2 273.7 1.57 6 890 1017 -11.7 -13.2 89 1.5 -12.1 204 11 270.3 270.6 267.8 274.6 1.55 7 860 1280 -12.1 -16.5 70 4.4 -13.1 238 12 272.6 272.8 268.7 276.0 1.22 8 850 1369 -12.9 -17.9 66 5.0 -14.0 250 13 272.6 272.8 268.5 275.8 1.10 9 820 1642 -15.1 -21.1 60 6.0 -16.2 249 16 273.1 273.3 268.4 275.6 0.87 10 700 2817 -23.5 -27.1 72 3.6 -24.0 245 29 276.5 276.6 270.1 278.2 0.59 11 657 3277 -27.3 -30.2 76 2.9 -27.6 250 35 277.2 277.3 270.3 278.7 0.47 12 541 4654 -35.1 -37.3 80 2.2 -35.3 264 53 283.8 283.8 273.8 284.7 0.29 13 500 5200 -38.3 -42.0 68 3.7 -38.5 270 60 286.3 286.4 275.1 287.0 0.19 14 429 6236 -44.3 -48.1 66 3.8 -44.5 267 68 291.5 291.5 277.6 291.9 0.11 15 400 6700 -48.1 -52.1 63 4.0 -48.2 265 71 292.5 292.5 278.0 292.7 0.08 16 338 7789 -57.9 -62.3 57 4.4 -57.9 260 66 293.5 293.5 278.4 293.6 0.03 17 300 8540 -59.1 -63.6 56 4.5 -59.2 260 66 302.0 302.0 282.3 302.1 0.02 18 277 9039 -59.1 -63.7 55 4.6 -59.2 265 75 309.0 309.0 285.0 309.1 0.03 19 250 9680 -59.1 -63.8 54 4.7 -59.2 265 60 318.2 318.2 288.2 318.3 0.03 20 236 10040 -60.7 -65.1 56 4.4 -60.7 265 59 321.1 321.1 289.1 321.2 0.03 21 200 11080 -56.1 -61.1 53 5.0 -56.2 265 56 343.9 343.9 295.3 344.1 0.05 22 181 11716 -54.5 -59.5 54 5.0 -54.6 267 50 356.5 356.5 298.1 356.8 0.07 23 150 12910 -57.7 -63.7 46 6.0 -57.8 270 38 370.7 370.7 300.7 370.9 0.05 24 147 13038 -58.3 -64.3 46 6.0 -58.5 270 38 371.8 371.8 300.9 372.0 0.05 25 100 15480 -57.3 -65.3 36 8.0 -57.6 270 44 417.0 417.0 307.4 417.3 0.06 26 70 17720 -60.1 -70.1 26 10.0 -60.4 275 44 455.8 455.8 311.4 456.1 0.04 27 64 18278 -60.9 -70.9 26 10.0 -61.2 270 47 465.9 465.9 312.3 466.1 0.04 28 50 19820 -59.1 -70.1 23 11.0 -59.6 255 54 504.2 504.2 315.2 504.6 0.06 29 43 20766 -58.9 -69.9 23 11.0 -59.5 526.9 526.9 316.8 527.4 0.07 30 38 21551 -53.7 -65.7 22 12.0 -54.9 559.1 559.2 318.6 560.2 0.15 31 32 22653 -54.9 -67.9 19 13.0 -56.1 584.1 584.1 319.9 585.0 0.13 TRP 338 7789 -57.9 -62.3 57 4.4 -57.9 260 66 293.5 293.5 278.4 293.6 0.03 WND 277 9039 -59.1 -63.7 55 4.6 -59.2 265 75 309.0 309.0 285.0 309.1 0.03 Sounding variables and indices 1000-500 mb thick: 5080.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 74.46 % Est. max temperature: -2.83 C = 26.91 F Sfc-Lift cond lev (LCL): 924.08 mb = 728.61 m = 2390.44 ft T: -11.36 C 700-500 lapse rate: 6.21 C/km ThetaE index: 0.40 C Layer 850.0- 700.0 mb Conv cond level (CCL): 827.50 mb = 1572.46 m = 5158.91 ft Mean mixing ratio: 1.50 g/kg Conv temperature: -3.16 C = 26.30 F Cap Strength: 9.29 C Lifted Index: 11.07 C Risk: None Lifted Index @300 mb: 20.51 C Lifted Index @700 mb: 4.49 C Showalter Index: 8.97 C Risk: None Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 20.40 C K Index: 3.90 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 2.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.08 J/kg Max Up Vert Vel: 6.49 m/s Conv Inhibition (B-): 39744.23 J/kg Cap Strength: 11.08 C Lift Cond Lev (LCL): 880.06 mb = 1102.97 m = 3618.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 29 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 0 0 -0.0 -0.0 | 111 29 -26.9 10.3 1 925 721 165 9 -2.3 8.7 | 123 35 -29.2 19.0 2 850 1369 250 13 12.2 4.4 | 135 21 -14.7 14.7 3 700 2817 245 29 26.3 12.3 | 178 23 -0.6 22.6 4 500 5200 270 60 60.0 -0.0 | 253 35 33.1 10.3 5 400 6700 265 71 70.7 6.2 | 249 47 43.8 16.5 6 338 7789 260 66 65.0 11.5 | 240 44 38.1 21.8 7 300 8540 260 66 65.0 11.5 | 240 44 38.1 21.8 8 277 9039 265 75 74.7 6.5 | 251 51 47.8 16.8 9 250 9680 265 60 59.8 5.2 | 245 36 32.9 15.5 10 200 11080 265 56 55.8 4.9 | 242 33 28.9 15.2 11 150 12910 270 38 38.0 -0.0 | 227 15 11.1 10.3 12 100 15480 270 44 44.0 -0.0 | 239 20 17.1 10.3 13 70 17720 275 44 43.8 -3.8 | 249 18 16.9 6.5 14 50 19820 255 54 52.2 14.0 | 226 35 25.3 24.3 Wind Parameters Mean winds (0-6000m): 261.0 at 38.4 knts Storm direction: 291.0 at 28.8 knts Shear (0-3000m) pos: 3.9 neg: 3.5 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 91.4 deg Storm rel helicity (0-3000m) pos: 287.7 neg: -19.4 tot: 268.3 m^2/s^2 ave: 89.4 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 6.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.11 Bulk Shear: 193.58 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 ------------------------------------------------------------------------------- 500 177 7 122 32| 0.0 11.0 11.0|129.9 -18.9 111.0 221.9 0.58| 21.7 12.6 1000 215 9 130 28| 5.6 5.5 11.1|153.2 -19.4 133.7 133.7 0.47| 16.9 8.0 1500 233 12 135 25| 3.8 5.2 9.0|182.0 -19.4 162.6 108.4 0.55| 13.1 7.2 2000 239 14 141 23| 2.8 5.2 8.1|210.9 -19.4 191.5 95.7 0.60| 11.3 6.8 2500 241 17 147 22| 3.2 4.2 7.4|244.0 -19.4 224.6 89.8 0.64| 10.3 6.6 3000 244 20 155 21| 3.9 3.5 7.4|287.7 -19.4 268.3 89.4 0.69| 9.8 6.7 4000 251 26 173 19| 4.9 2.6 7.5|386.7 -19.4 367.2 91.8 0.74| 9.3 6.9 5000 258 33 196 18| 5.2 2.1 7.3|471.1 -21.8 449.2 89.8 0.73| 8.9 6.5 6000 261 38 214 20| 4.3 2.4 6.8|471.1 -39.5 431.6 71.9 0.65| 8.1 5.3 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251217.12.gif