UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122800.upa.cvt Date: 0000Z 28 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:0000Z 28 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 1010 145 -21.1 -23.8 79 2.7 -21.4 160 1 251.3 251.4 251.1 252.8 0.55 1 1000 219 -20.1 -22.3 83 2.2 -20.4 175 3 253.1 253.1 252.8 254.8 0.64 2 946 634 -17.1 -20.7 74 3.6 -17.7 228 14 260.1 260.3 258.9 262.3 0.78 3 925 804 -15.3 -19.3 71 4.0 -16.0 250 19 263.7 263.8 261.9 266.1 0.90 4 922 829 -14.5 -18.6 71 4.1 -15.3 250 19 264.7 264.9 262.7 267.4 0.95 5 916 878 -13.7 -19.7 60 6.0 -14.8 249 20 266.0 266.2 263.6 268.5 0.87 6 868 1287 -12.9 -26.9 30 14.0 -15.2 246 25 271.0 271.1 266.3 272.4 0.49 7 850 1447 -12.1 -25.1 33 13.0 -14.4 245 27 273.5 273.6 268.1 275.2 0.59 8 845 1492 -11.9 -24.9 33 13.0 -14.2 246 27 274.1 274.2 268.6 275.9 0.60 9 772 2179 -14.9 -23.9 46 9.0 -16.5 255 28 278.1 278.2 271.3 280.2 0.72 10 726 2641 -17.7 -23.7 59 6.0 -18.8 261 29 279.9 280.1 272.5 282.3 0.78 11 700 2913 -19.3 -23.3 71 4.0 -20.0 265 29 281.1 281.3 273.2 283.6 0.84 12 680 3129 -20.3 -22.6 82 2.3 -20.7 268 29 282.3 282.5 274.0 285.1 0.91 13 568 4447 -27.3 -29.8 79 2.5 -27.6 287 29 289.0 289.1 277.0 290.8 0.57 14 500 5360 -31.7 -37.7 55 6.0 -32.3 300 29 294.4 294.4 279.3 295.4 0.30 15 464 5887 -35.3 -42.3 49 7.0 -35.8 302 31 296.3 296.3 280.0 296.9 0.20 16 400 6910 -41.9 -49.9 41 8.0 -42.2 305 36 300.5 300.6 281.7 300.9 0.10 17 353 7742 -47.5 -56.5 35 9.0 -47.7 309 38 303.9 303.9 283.0 304.1 0.05 18 300 8790 -56.5 -69.5 18 13.0 -56.6 315 40 305.7 305.7 283.7 305.7 0.01 19 261 9665 -64.7 -80.7 9 16.0 -64.8 319 45 306.1 306.1 283.8 306.1 0.00 20 250 9930 -65.9 -83.9 6 18.0 -66.0 320 46 308.1 308.1 284.6 308.1 0.00 21 247 10003 -66.1 -84.1 6 18.0 -66.1 316 46 308.9 308.9 284.9 308.9 0.00 22 246 10028 -66.3 -84.3 6 18.0 -66.4 315 46 308.9 308.9 284.9 308.9 0.00 23 200 11290 -63.3 -84.3 4 21.0 -63.4 295 48 332.5 332.5 292.4 332.5 0.00 24 188 11672 -60.9 -82.9 4 22.0 -61.0 294 47 342.3 342.3 294.9 342.3 0.00 25 150 13070 -61.7 -83.7 4 22.0 -61.9 290 44 363.8 363.8 299.4 363.8 0.00 26 100 15570 -64.9 -85.9 4 21.0 -65.1 280 50 402.3 402.3 305.5 402.3 0.00 27 79 17005 -65.1 -87.1 3 22.0 -65.3 280 50 430.0 430.0 308.9 430.0 0.00 28 70 17740 -65.7 -87.7 3 22.0 -65.9 280 50 443.8 443.8 310.3 443.8 0.00 29 50 19790 -66.1 -87.1 4 21.0 -66.4 280 54 487.7 487.7 314.1 487.7 0.00 30 30 22900 -63.5 -84.5 4 21.0 -64.1 265 64 571.5 571.5 319.2 571.6 0.01 31 20 25460 -53.2 -76.6 4 23.4 -55.7 245 104 673.4 673.4 323.6 673.9 0.06 32 18 26143 -50.5 -74.5 4 24.0 -53.9 702.4 702.5 324.6 703.2 0.09 TRP 246 10028 -66.3 -84.3 6 18.0 -66.4 315 46 308.9 308.9 284.9 308.9 0.00 WND 20 25460 -53.2 -76.6 4 23.4 -55.7 245 104 673.4 673.4 323.6 673.9 0.06 Sounding variables and indices 1000-500 mb thick: 5141.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 64.26 % Est. max temperature: -0.28 C = 31.49 F Sfc-Lift cond lev (LCL): 965.87 mb = 478.91 m = 1571.21 ft T: -18.22 C 700-500 lapse rate: 5.07 C/km ThetaE index: 0.00 C Layer 1010.0- 0.0 mb Conv cond level (CCL): 578.94 mb = 4307.71 m = 14132.74 ft Mean mixing ratio: 0.75 g/kg Conv temperature: 15.99 C = 60.78 F Cap Strength: 24.18 C Lifted Index: 27.64 C Risk: None Lifted Index @300 mb: 31.84 C Lifted Index @700 mb: 18.88 C Showalter Index: 16.00 C Risk: None Total Totals Index: 26.20 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 6.60 C K Index: -9.50 Risk: None Sweat Index: 210.39 Risk: None Energy Index: 4.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.82 J/kg Max Up Vert Vel: 10.28 m/s Conv Inhibition (B-): 52433.04 J/kg Cap Strength: 27.24 C Lift Cond Lev (LCL): 907.07 mb = 952.48 m = 3124.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 at 20 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 1010 145 160 1 -0.3 0.9 | 125 21 -16.8 11.9 1 1000 219 175 3 -0.3 3.0 | 130 22 -16.7 13.9 2 925 804 250 19 17.9 6.5 | 185 17 1.4 17.4 3 850 1447 245 27 24.5 11.4 | 200 24 8.0 22.3 4 700 2913 265 29 28.9 2.5 | 223 18 12.5 13.4 5 500 5360 300 29 25.1 -14.5 | 292 9 8.7 -3.6 6 400 6910 305 36 29.5 -20.6 | 307 16 13.1 -9.7 7 300 8790 315 40 28.3 -28.3 | 326 21 11.8 -17.4 8 250 9930 320 46 29.6 -35.2 | 332 28 13.1 -24.3 9 246 10028 315 46 32.5 -32.5 | 323 27 16.1 -21.6 10 200 11290 295 48 43.5 -20.3 | 289 29 27.1 -9.4 11 150 13070 290 44 41.3 -15.0 | 279 25 24.9 -4.1 12 100 15570 280 50 49.2 -8.7 | 266 33 32.8 2.2 13 70 17740 280 50 49.2 -8.7 | 266 33 32.8 2.2 14 50 19790 280 54 53.2 -9.4 | 268 37 36.7 1.5 15 30 22900 265 64 63.8 5.6 | 251 50 47.3 16.5 16 20 25460 245 104 94.3 44.0 | 235 95 77.8 54.9 Wind Parameters Mean winds (0-6000m): 273.6 at 26.3 knts Storm direction: 303.6 at 19.7 knts Shear (0-3000m) pos: 5.0 neg: 0.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 101.6 deg Storm rel helicity (0-3000m) pos: 206.0 neg: 0.0 tot: 206.0 m^2/s^2 ave: 68.7 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 6.4 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.78 Bulk Shear: 67.84 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 ------------------------------------------------------------------------------- 500 219 8 146 20| 14.8 0.0 14.8| 92.4 0.0 92.4 184.7 0.95| 17.1 16.1 1000 245 14 166 17| 11.9 0.0 11.9|141.0 0.0 141.0 141.0 0.90| 14.4 13.0 1500 245 18 179 18| 9.3 0.0 9.3|160.3 0.0 160.3 106.9 0.86| 11.4 9.8 2000 247 20 186 19| 7.2 0.0 7.2|176.7 0.0 176.7 88.3 0.86| 9.4 8.1 2500 250 22 193 19| 5.9 0.0 5.9|192.2 0.0 192.2 76.9 0.85| 8.2 7.0 3000 253 23 198 18| 5.0 0.0 5.0|206.0 0.0 206.0 68.7 0.85| 7.5 6.4 4000 260 24 206 17| 3.8 0.0 3.8|228.3 0.0 228.3 57.1 0.84| 6.5 5.5 5000 267 25 216 15| 3.1 0.0 3.1|247.2 0.0 247.2 49.4 0.85| 6.0 5.1 6000 274 26 227 14| 2.9 0.0 2.9|255.8 0.0 255.8 42.6 0.83| 5.4 4.5 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251228.00.gif