UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121900.upa.cvt Date: 0000Z 19 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:0000Z 19 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 227 SFC 975 489 -20.7 -23.5 78 2.8 -21.1 270 1 254.3 254.4 253.7 255.9 0.59 2 970 520 -20.3 -23.3 77 3.0 -20.7 274 2 255.1 255.2 254.4 256.7 0.60 3 931 765 -21.7 -24.7 77 3.0 -22.1 305 8 256.6 256.7 255.6 258.2 0.55 4 925 804 -21.3 -24.3 77 3.0 -21.7 310 9 257.5 257.6 256.4 259.1 0.58 5 857 1369 -19.7 -22.1 81 2.4 -20.1 305 9 264.9 265.0 262.5 267.0 0.76 6 850 1430 -20.3 -22.7 81 2.4 -20.7 305 9 264.9 265.0 262.4 266.9 0.73 7 804 1840 -22.7 -24.9 82 2.2 -23.0 305 8 266.6 266.7 263.5 268.4 0.63 8 790 1969 -22.3 -24.7 81 2.4 -22.7 305 8 268.3 268.5 264.8 270.2 0.65 9 700 2847 -28.3 -31.1 77 2.8 -28.6 305 7 271.1 271.2 266.3 272.4 0.41 10 586 4094 -38.3 -41.5 72 3.2 -38.5 302 9 273.6 273.7 267.5 274.2 0.17 11 500 5170 -44.3 -48.6 62 4.3 -44.5 300 11 279.0 279.0 270.7 279.3 0.09 12 400 6650 -50.5 -54.9 60 4.4 -50.6 320 44 289.4 289.4 276.4 289.6 0.06 13 300 8490 -59.3 -64.3 52 5.0 -59.3 320 46 301.8 301.8 282.1 301.8 0.02 14 294 8616 -59.9 -64.7 53 4.8 -60.0 320 44 302.7 302.7 282.5 302.7 0.02 15 291 8680 -60.1 -64.9 53 4.8 -60.2 319 43 303.3 303.3 282.7 303.3 0.02 16 250 9630 -57.3 -63.3 46 6.0 -57.4 310 27 320.9 320.9 289.0 321.0 0.03 17 200 11040 -55.3 -61.3 47 6.0 -55.4 295 29 345.2 345.2 295.6 345.4 0.05 18 154 12702 -53.9 -61.9 37 8.0 -54.2 300 34 374.4 374.4 301.4 374.7 0.06 19 150 12870 -54.3 -62.3 37 8.0 -54.5 300 35 376.5 376.5 301.7 376.8 0.06 20 100 15460 -54.5 -64.5 28 10.0 -54.9 295 40 422.4 422.4 308.0 422.8 0.07 21 70 17740 -55.1 -68.1 18 13.0 -55.7 290 38 466.5 466.5 312.4 466.8 0.06 22 57 19057 -55.1 -69.1 16 14.0 -55.9 290 42 494.7 494.8 314.6 495.1 0.06 23 50 19900 -52.9 -68.9 13 16.0 -54.0 290 44 518.8 518.8 316.2 519.3 0.07 24 45 20581 -50.7 -66.7 13 16.0 -52.2 288 43 540.0 540.1 317.6 540.8 0.11 25 39 21505 -53.5 -69.5 13 16.0 -54.8 285 41 555.5 555.5 318.4 556.1 0.08 26 30 23200 -50.5 -69.5 9 19.0 -52.8 280 38 607.0 607.0 321.0 607.8 0.11 27 28 23649 -50.7 -69.7 9 19.0 -53.0 275 37 618.5 618.6 321.5 619.4 0.11 28 25 24394 -46.3 -66.3 9 20.0 -50.0 267 35 651.5 651.6 322.8 653.2 0.21 29 20 25890 -41.9 -63.9 7 22.0 -47.7 250 31 707.9 708.1 324.8 711.1 0.35 30 19 26238 -40.5 -63.5 7 23.0 -47.1 722.7 722.9 325.3 726.3 0.39 31 15 27827 -46.9 -69.9 6 23.0 -52.0 752.0 752.1 326.0 754.0 0.21 32 14 28292 -39.5 -64.5 5 25.0 -47.9 792.1 792.3 327.1 796.7 0.47 33 12 29370 -29.3 -58.3 4 29.0 -43.8 863.9 864.6 329.0 877.1 1.22 TRP 294 8616 -59.9 -64.7 53 4.8 -60.0 320 44 302.7 302.7 282.5 302.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 4943.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 74.98 % Est. max temperature: -9.28 C = 15.30 F Sfc-Lift cond lev (LCL): 930.90 mb = 765.87 m = 2512.65 ft T: -21.69 C 700-500 lapse rate: 6.89 C/km ThetaE index: 0.10 C Layer 850.0- 804.0 mb Conv cond level (CCL): 728.30 mb = 2559.30 m = 8396.55 ft Mean mixing ratio: 0.61 g/kg Conv temperature: -4.86 C = 23.26 F Cap Strength: 12.07 C Lifted Index: 15.86 C Risk: None Lifted Index @300 mb: 29.74 C Lifted Index @700 mb: 10.76 C Showalter Index: 10.06 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.00 C Cross Totals Index: 21.60 C K Index: -1.50 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 2.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.73 J/kg Max Up Vert Vel: 7.31 m/s Conv Inhibition (B-): 63246.71 J/kg Cap Strength: 15.82 C Lift Cond Lev (LCL): 881.04 mb = 1164.44 m = 3820.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 9 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 ---------------------------------------------------------- 0 975 489 270 1 1.0 -0.0 | 165 9 -2.4 8.6 1 925 804 310 9 6.9 -5.8 | 231 5 3.5 2.8 2 850 1430 305 9 7.4 -5.2 | 229 5 4.0 3.4 3 700 2847 305 7 5.7 -4.0 | 207 5 2.4 4.6 4 500 5170 300 11 9.5 -5.5 | 243 7 6.2 3.1 5 400 6650 320 44 28.3 -33.7 | 315 35 24.9 -25.1 6 300 8490 320 46 29.6 -35.2 | 315 37 26.2 -26.6 7 294 8616 320 44 28.3 -33.7 | 315 35 24.9 -25.1 8 250 9630 310 27 20.7 -17.4 | 297 19 17.3 -8.7 9 200 11040 295 29 26.3 -12.3 | 279 23 22.9 -3.6 10 150 12870 300 35 30.3 -17.5 | 288 28 26.9 -8.9 11 100 15460 295 40 36.3 -16.9 | 284 34 32.9 -8.3 12 70 17740 290 38 35.7 -13.0 | 278 33 32.3 -4.4 13 50 19900 290 44 41.3 -15.0 | 280 39 38.0 -6.4 14 30 23200 280 38 37.4 -6.6 | 267 34 34.1 2.0 15 20 25890 250 31 29.1 10.6 | 233 32 25.8 19.2 Wind Parameters Mean winds (0-6000m): 308.6 at 12.3 knts Storm direction: 338.6 at 9.2 knts Shear (0-3000m) pos: 1.4 neg: 0.2 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 54.8 deg Storm rel helicity (0-3000m) pos: 14.9 neg: -2.8 tot: 12.1 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.49 Bulk Shear: 4.87 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 ------------------------------------------------------------------------------- 500 308 6 198 5| 8.5 0.0 8.5| 13.4 -0.0 13.4 26.8 0.85| 9.2 7.9 1000 307 8 213 5| 4.2 0.3 4.5| 13.4 -0.3 13.1 13.1 0.78| 4.9 3.8 1500 306 8 217 5| 2.8 0.3 3.2| 13.4 -1.3 12.2 8.1 0.66| 3.5 2.3 2000 306 8 217 5| 2.1 0.4 2.5| 13.4 -2.2 11.2 5.6 0.55| 2.8 1.5 2500 306 8 216 5| 1.7 0.4 2.1| 13.7 -2.8 10.9 4.3 0.50| 2.4 1.2 3000 306 8 215 5| 1.4 0.2 1.6| 14.9 -2.8 12.1 4.0 0.53| 2.1 1.1 4000 305 8 219 5| 1.1 0.2 1.2| 17.2 -2.8 14.4 3.6 0.58| 1.8 1.1 5000 304 9 226 5| 1.6 0.2 1.8| 31.2 -2.8 28.4 5.7 0.64| 2.3 1.5 6000 309 12 262 6| 3.3 0.2 3.5| 97.2 -2.8 94.4 15.7 0.57| 3.9 2.2 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251219.00.gif