UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:0000Z 18 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 81 SFC 958 489 -9.9 -11.2 90 1.3 -10.2 0 0 266.5 266.8 265.4 271.1 1.69 2 925 683 -12.7 -14.8 84 2.1 -13.2 320 5 266.3 266.5 264.6 269.9 1.31 3 917 749 -12.7 -14.8 84 2.1 -13.2 319 6 267.0 267.2 265.1 270.6 1.32 4 911 799 -13.1 -15.0 86 1.9 -13.5 318 6 267.1 267.3 265.1 270.7 1.31 5 895 934 -11.3 -13.4 84 2.1 -11.8 316 8 270.3 270.5 267.7 274.5 1.52 6 850 1328 -13.5 -17.5 72 4.0 -14.3 310 13 272.0 272.2 268.2 275.2 1.14 7 810 1693 -15.5 -19.9 69 4.4 -16.4 304 15 273.7 273.8 269.0 276.5 0.97 8 800 1786 -16.1 -20.2 71 4.1 -16.9 302 15 274.0 274.1 269.1 276.8 0.96 9 700 2775 -24.1 -28.2 69 4.1 -24.6 285 21 275.8 275.9 269.5 277.4 0.54 10 500 5140 -41.7 -45.9 64 4.2 -41.9 225 31 282.2 282.2 272.6 282.6 0.13 11 400 6620 -53.5 -57.7 60 4.2 -53.6 225 50 285.5 285.5 274.3 285.6 0.04 12 360 7291 -58.2 -62.4 58 4.2 -58.2 240 64 287.9 287.9 275.6 288.0 0.02 13 351 7450 -59.3 -63.5 58 4.2 -59.3 240 60 288.5 288.5 275.9 288.6 0.02 14 323 7969 -60.3 -64.3 59 4.0 -60.3 240 46 294.1 294.1 278.7 294.1 0.02 15 314 8145 -60.5 -64.5 59 4.0 -60.5 240 43 296.2 296.2 279.7 296.2 0.02 16 300 8430 -59.3 -63.5 58 4.2 -59.3 240 38 301.8 301.8 282.1 301.8 0.02 17 264 9234 -55.1 -59.3 59 4.2 -55.2 247 36 319.1 319.1 288.5 319.3 0.05 18 250 9580 -56.1 -60.2 60 4.1 -56.2 250 35 322.7 322.7 289.6 322.8 0.05 19 200 11000 -56.3 -61.1 55 4.8 -56.4 270 29 343.6 343.6 295.3 343.8 0.05 20 150 12830 -55.1 -61.1 47 6.0 -55.3 270 35 375.1 375.2 301.5 375.5 0.07 21 128 13840 -55.5 -62.5 41 7.0 -55.8 270 35 391.8 391.8 304.1 392.2 0.07 22 100 15400 -58.3 -66.3 35 8.0 -58.5 270 35 415.1 415.1 307.2 415.3 0.05 23 86 16347 -59.9 -68.9 30 9.0 -60.2 270 36 430.2 430.2 308.9 430.4 0.04 24 70 17640 -57.7 -67.7 27 10.0 -58.1 270 38 460.9 461.0 311.9 461.3 0.06 25 50 19770 -57.1 -68.1 24 11.0 -57.7 260 42 508.9 508.9 315.6 509.4 0.08 26 35 22038 -54.7 -67.7 19 13.0 -55.9 253 43 569.8 569.9 319.2 570.7 0.12 27 30 23040 -47.7 -61.7 18 14.0 -50.3 250 44 614.6 614.7 321.3 617.0 0.32 28 29 23266 -46.9 -61.9 16 15.0 -49.8 250 45 622.8 622.9 321.7 625.3 0.32 29 27 23738 -51.1 -65.1 17 14.0 -53.2 251 48 623.9 623.9 321.7 625.6 0.22 30 22 25071 -53.1 -68.1 15 15.0 -55.2 254 55 655.5 655.6 322.9 657.0 0.18 31 20 25700 -45.1 -62.1 13 17.0 -49.5 255 58 698.1 698.3 324.5 702.0 0.45 32 19 26044 -43.7 -60.7 14 17.0 -48.6 712.8 713.0 325.0 717.8 0.57 33 17 26787 -46.5 -64.5 11 18.0 -51.0 726.9 727.0 325.4 730.4 0.39 34 13 28573 -45.1 -64.1 10 19.0 -51.0 789.7 789.9 327.1 794.9 0.53 TRP 323 7969 -60.3 -64.3 59 4.0 -60.3 240 46 294.1 294.1 278.7 294.1 0.02 WND 360 7291 -58.2 -62.4 58 4.2 -58.2 240 64 287.9 287.9 275.6 288.0 0.02 Sounding variables and indices 1000-500 mb thick: 5059.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 70.33 % Est. max temperature: -2.77 C = 27.02 F Sfc-Lift cond lev (LCL): 938.10 mb = 605.19 m = 1985.50 ft T: -11.58 C 700-500 lapse rate: 7.44 C/km ThetaE index: 1.18 C Layer 925.0- 917.0 mb Conv cond level (CCL): 808.75 mb = 1704.39 m = 5591.78 ft Mean mixing ratio: 1.41 g/kg Conv temperature: -2.79 C = 26.98 F Cap Strength: 4.36 C Lifted Index: 8.20 C Risk: None Lifted Index @300 mb: 20.78 C Lifted Index @700 mb: 4.36 C Showalter Index: 5.98 C Risk: None Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 24.20 C K Index: 6.60 Risk: None Sweat Index: 125.00 Risk: None Energy Index: 1.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.08 J/kg Max Up Vert Vel: 6.79 m/s Conv Inhibition (B-): 65444.54 J/kg Cap Strength: 8.07 C Lift Cond Lev (LCL): 874.94 mb = 1107.41 m = 3633.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 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 0 0 -0.0 -0.0 | 98 18 -18.2 2.6 1 925 683 320 5 3.2 -3.8 | 85 15 -15.0 -1.2 2 850 1328 310 13 10.0 -8.4 | 55 10 -8.2 -5.7 3 700 2775 285 21 20.3 -5.4 | 323 3 2.1 -2.8 4 500 5140 225 31 21.9 21.9 | 189 25 3.7 24.6 5 400 6620 225 50 35.4 35.4 | 204 42 17.2 38.0 6 360 7291 240 64 55.4 32.0 | 227 51 37.2 34.6 7 323 7969 240 46 39.8 23.0 | 220 34 21.6 25.6 8 300 8430 240 38 32.9 19.0 | 214 26 14.7 21.6 9 250 9580 250 35 32.9 12.0 | 225 21 14.7 14.6 10 200 11000 270 29 29.0 -0.0 | 256 11 10.8 2.6 11 150 12830 270 35 35.0 -0.0 | 261 17 16.8 2.6 12 100 15400 270 35 35.0 -0.0 | 261 17 16.8 2.6 13 70 17640 270 38 38.0 -0.0 | 262 20 19.8 2.6 14 50 19770 260 42 41.4 7.3 | 247 25 23.2 9.9 15 30 23040 250 44 41.3 15.0 | 233 29 23.1 17.7 16 20 25700 255 58 56.0 15.0 | 245 42 37.8 17.7 Wind Parameters Mean winds (0-6000m): 248.3 at 24.5 knts Storm direction: 278.3 at 18.4 knts Shear (0-3000m) pos: 0.0 neg: 4.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 137.4 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -58.4 tot: -58.4 m^2/s^2 ave: -19.5 10^-3 m/s^2 rel: -0.78 Storm rel vorticity (0-3000m) horiz: 5.5 stream: -4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 71.64 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 ------------------------------------------------------------------------------- 500 318 5 86 15| 0.0 9.0 9.0| 0.0 -28.0 -28.0 -55.9 -0.74| 9.4 -6.9 1000 312 8 77 13| 0.0 7.1 7.1| 0.0 -40.1 -40.1 -40.1 -0.75| 7.5 -5.6 1500 308 10 70 11| 0.0 5.7 5.7| 0.0 -44.9 -44.9 -29.9 -0.73| 6.2 -4.6 2000 302 12 64 9| 0.0 5.0 5.0| 0.0 -48.9 -48.9 -24.4 -0.74| 5.7 -4.2 2500 296 14 59 7| 0.0 4.5 4.5| 0.0 -53.0 -53.0 -21.2 -0.78| 5.5 -4.3 3000 291 15 54 5| 0.0 4.1 4.1| 0.0 -58.4 -58.4 -19.5 -0.78| 5.5 -4.3 4000 276 18 159 1| 0.0 3.6 3.6| 0.0 -79.4 -79.4 -19.8 -0.71| 5.7 -4.1 5000 260 21 200 7| 0.0 3.7 3.7| 15.0-105.4 -90.3 -18.1 -0.59| 5.9 -3.5 6000 248 25 201 13| 0.0 4.1 4.1| 65.1-105.4 -40.3 -6.7 -0.40| 6.0 -2.4 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251218.00.gif