UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U9862... Searching the city database file for: U9862 ... Date:0000Z 12 DEC 25 Station: U9862 WMO ident: 29862 Latitude: 53.77 Longitude: 91.32 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1004 260 -8.3 -17.3 48 9.0 -10.2 180 7 264.5 264.7 262.7 267.3 0.98 1 1000 291 -8.3 -17.3 48 9.0 -10.2 185 9 264.9 265.0 262.9 267.6 0.98 2 967 549 -7.9 -17.9 44 10.0 -10.1 211 12 267.8 268.0 265.0 270.5 0.97 3 925 888 -11.1 -22.1 40 11.0 -13.2 245 17 268.0 268.1 264.6 270.0 0.70 4 887 1212 -12.9 -23.9 39 11.0 -14.8 260 19 269.3 269.4 265.4 271.1 0.62 5 850 1540 -12.7 -24.7 36 12.0 -14.8 275 21 272.8 272.9 267.8 274.6 0.61 6 829 1731 -11.7 -26.7 28 15.0 -14.3 276 21 275.9 275.9 269.5 277.4 0.52 7 757 2425 -13.7 -37.7 11 24.0 -16.7 281 22 281.0 281.0 272.1 281.6 0.20 8 700 3015 -18.5 -32.5 28 14.0 -20.4 285 23 282.0 282.1 272.9 283.1 0.36 9 681 3219 -20.1 -32.1 33 12.0 -21.7 285 24 282.4 282.5 273.2 283.6 0.38 10 595 4208 -25.3 -39.3 26 14.0 -26.6 287 31 287.5 287.6 275.7 288.2 0.21 11 504 5394 -32.3 -39.3 50 7.0 -32.9 290 40 293.0 293.0 278.5 293.8 0.25 12 500 5450 -32.5 -39.5 50 7.0 -33.1 290 40 293.4 293.5 278.7 294.2 0.25 13 458 6067 -34.9 -40.9 54 6.0 -35.4 292 43 297.9 297.9 280.7 298.7 0.23 14 445 6268 -36.5 -42.5 54 6.0 -36.9 293 44 298.3 298.4 280.9 299.0 0.20 15 400 7000 -42.7 -48.7 52 6.0 -43.0 295 48 299.5 299.5 281.3 299.9 0.11 16 377 7394 -46.3 -51.3 57 5.0 -46.4 298 50 299.9 299.9 281.4 300.2 0.09 17 300 8870 -56.3 -61.3 53 5.0 -56.4 310 58 306.0 306.0 283.8 306.1 0.03 18 263 9697 -62.5 -67.5 51 5.0 -62.6 314 65 308.6 308.6 284.8 308.7 0.02 19 256 9864 -63.2 -68.2 51 5.0 -63.3 315 66 309.9 309.9 285.3 310.0 0.02 20 250 10010 -63.9 -68.9 50 5.0 -63.9 315 62 311.1 311.1 285.7 311.1 0.01 21 207 11153 -68.3 -73.3 49 5.0 -68.3 325 56 321.4 321.4 289.2 321.5 0.01 22 200 11360 -67.7 -72.7 49 5.0 -67.7 315 50 325.5 325.5 290.5 325.6 0.01 23 150 13090 -71.1 -76.1 47 5.0 -71.1 310 38 347.6 347.6 296.1 347.6 0.01 24 141 13453 -72.3 -77.3 47 5.0 -72.3 309 41 351.7 351.7 297.0 351.7 0.01 25 102 15371 -68.1 -73.1 49 5.0 -68.2 305 59 393.9 393.9 304.3 394.0 0.02 26 100 15490 -67.1 -72.1 49 5.0 -67.2 305 60 398.1 398.1 304.9 398.2 0.02 27 96 15737 -66.3 -71.3 49 5.0 -66.4 404.3 404.3 305.8 404.5 0.03 TRP 207 11153 -68.3 -73.3 49 5.0 -68.3 325 56 321.4 321.4 289.2 321.5 0.01 WND 256 9864 -63.2 -68.2 51 5.0 -63.3 315 66 309.9 309.9 285.3 310.0 0.02 Sounding variables and indices 1000-500 mb thick: 5159.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 32.29 % Est. max temperature: -0.39 C = 31.30 F Sfc-Lift cond lev (LCL): 869.10 mb = 1368.92 m = 4491.14 ft T: -12.80 C 700-500 lapse rate: 5.75 C/km ThetaE index: 0.56 C Layer 925.0- 887.0 mb Conv cond level (CCL): 603.57 mb = 4103.11 m = 13461.49 ft Mean mixing ratio: 0.85 g/kg Conv temperature: 14.16 C = 57.49 F Cap Strength: 19.24 C Lifted Index: 19.57 C Risk: None Lifted Index @300 mb: 25.65 C Lifted Index @700 mb: 12.18 C Showalter Index: 15.64 C Risk: None Total Totals Index: 27.60 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 7.80 C K Index: -18.90 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 4.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.93 J/kg Max Up Vert Vel: 5.09 m/s Conv Inhibition (B-): 18692.10 J/kg Cap Strength: 19.02 C Lift Cond Lev (LCL): 809.76 mb = 1910.64 m = 6268.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 21 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 1004 260 180 7 0.0 7.0 | 145 26 -15.0 21.1 1 1000 291 185 9 0.8 9.0 | 148 27 -14.2 23.1 2 925 888 245 17 15.4 7.2 | 181 21 0.4 21.3 3 850 1540 275 21 20.9 -1.8 | 206 14 5.9 12.3 4 700 3015 285 23 22.2 -6.0 | 222 11 7.2 8.1 5 500 5450 290 40 37.6 -13.7 | 269 23 22.6 0.4 6 400 7000 295 48 43.5 -20.3 | 282 29 28.5 -6.2 7 300 8870 310 58 44.4 -37.3 | 308 37 29.4 -23.2 8 256 9864 315 66 46.7 -46.7 | 316 45 31.7 -32.6 9 250 10010 315 62 43.8 -43.8 | 316 41 28.8 -29.7 10 207 11153 325 56 32.1 -45.9 | 332 36 17.1 -31.8 11 200 11360 315 50 35.4 -35.4 | 316 29 20.3 -21.3 12 150 13090 310 38 29.1 -24.4 | 306 17 14.1 -10.3 13 100 15490 305 60 49.1 -34.4 | 301 40 34.1 -20.3 Wind Parameters Mean winds (0-6000m): 283.2 at 27.5 knts Storm direction: 313.2 at 20.6 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 85.0 deg Storm rel helicity (0-3000m) pos: 157.5 neg: 0.0 tot: 157.5 m^2/s^2 ave: 52.5 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 88.25 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 ------------------------------------------------------------------------------- 500 214 12 161 25| 12.7 0.0 12.7| 87.9 0.0 87.9 175.9 0.93| 14.1 13.2 1000 238 15 174 22| 10.1 0.0 10.1|128.8 0.0 128.8 128.8 0.86| 12.2 10.4 1500 253 17 183 19| 7.9 0.0 7.9|143.6 0.0 143.6 95.8 0.82| 10.0 8.2 2000 261 18 189 17| 6.2 0.0 6.2|147.4 0.0 147.4 73.7 0.82| 7.9 6.5 2500 267 19 194 16| 5.2 0.0 5.2|151.0 0.0 151.0 60.4 0.82| 6.6 5.4 3000 270 20 198 15| 4.7 0.0 4.7|157.5 0.0 157.5 52.5 0.83| 5.9 4.9 4000 276 22 209 14| 4.4 0.0 4.4|177.2 0.0 177.2 44.3 0.82| 5.3 4.4 5000 280 25 223 13| 4.3 0.0 4.3|198.6 0.0 198.6 39.7 0.79| 5.0 3.9 6000 283 27 236 14| 4.1 0.0 4.1|223.1 0.0 223.1 37.2 0.77| 4.7 3.6 Wrote GIF file: /home/apache/climate/data/raob//U9862/skewt/U9862.skewt.20251212.00.gif