UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 28 NOV 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 98 SFC 978 258 -27.7 -31.0 73 3.3 -27.9 340 1 247.0 247.1 246.7 247.8 0.29 2 925 656 -31.5 -35.8 66 4.3 -31.7 340 11 247.1 247.1 246.5 247.6 0.19 3 922 679 -31.5 -35.8 66 4.3 -31.7 338 11 247.3 247.4 246.7 247.9 0.20 4 904 819 -29.5 -33.9 66 4.4 -29.8 326 9 250.8 250.8 249.9 251.5 0.24 5 887 956 -25.3 -29.8 66 4.5 -25.7 315 8 256.5 256.6 255.1 257.5 0.36 6 858 1198 -22.3 -26.0 72 3.7 -22.8 296 6 262.1 262.2 259.9 263.6 0.53 7 850 1267 -22.3 -25.8 73 3.5 -22.7 290 5 262.8 262.9 260.5 264.3 0.55 8 700 2681 -27.1 -30.4 73 3.3 -27.5 200 9 272.5 272.5 267.2 273.8 0.44 9 617 3579 -31.9 -34.9 75 3.0 -32.1 206 7 277.0 277.0 269.9 278.0 0.32 10 550 4384 -35.3 -38.3 74 3.0 -35.5 211 6 282.2 282.2 272.9 283.0 0.25 11 500 5040 -39.7 -42.8 72 3.1 -39.9 215 5 284.6 284.7 274.1 285.2 0.18 12 400 6540 -49.9 -53.1 69 3.2 -50.0 240 7 290.1 290.1 276.9 290.4 0.07 13 397 6589 -50.1 -53.3 69 3.2 -50.2 240 7 290.5 290.5 277.0 290.7 0.07 14 300 8370 -60.3 -63.5 66 3.2 -60.3 225 7 300.3 300.3 281.5 300.4 0.02 15 282 8755 -62.1 -65.4 64 3.3 -62.1 219 6 303.1 303.1 282.7 303.2 0.02 16 272 8978 -62.5 -65.8 64 3.3 -62.5 215 5 305.7 305.7 283.7 305.8 0.02 17 255 9377 -62.5 -65.8 64 3.3 -62.5 238 8 311.4 311.4 285.8 311.5 0.02 18 250 9500 -61.7 -65.0 65 3.3 -61.7 245 9 314.3 314.3 286.9 314.4 0.02 19 200 10890 -59.9 -63.3 64 3.4 -60.0 260 9 337.9 337.9 293.9 338.1 0.04 20 172 11833 -58.7 -62.3 63 3.6 -58.8 281 13 354.8 354.8 297.7 355.0 0.05 21 150 12690 -59.5 -63.2 62 3.7 -59.6 300 17 367.6 367.6 300.2 367.8 0.05 22 100 15210 -62.5 -66.6 58 4.1 -62.6 285 11 407.0 407.0 306.2 407.2 0.05 23 70 17390 -66.1 -70.4 55 4.3 -66.2 275 21 443.0 443.0 310.2 443.2 0.04 24 50 19410 -69.7 -74.0 53 4.3 -69.8 285 21 479.2 479.2 313.4 479.4 0.03 25 47 19778 -70.5 -74.8 53 4.3 -70.6 485.9 485.9 313.9 486.1 0.03 26 35 21524 -71.3 -75.7 52 4.4 -71.4 526.5 526.5 316.7 526.8 0.04 TRP 272 8978 -62.5 -65.8 64 3.3 -62.5 215 5 305.7 305.7 283.7 305.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 4942.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 72.57 % Est. max temperature: -10.75 C = 12.66 F Sfc-Lift cond lev (LCL): 925.14 mb = 654.93 m = 2148.70 ft T: -31.49 C 700-500 lapse rate: 5.34 C/km ThetaE index: 0.18 C Layer 925.0- 922.0 mb Conv cond level (CCL): 510.35 mb = 4898.89 m = 16072.28 ft Mean mixing ratio: 0.26 g/kg Conv temperature: 9.17 C = 48.51 F Cap Strength: 26.97 C Lifted Index: 28.19 C Risk: None Lifted Index @300 mb: 35.48 C Lifted Index @700 mb: 20.22 C Showalter Index: 16.76 C Risk: None Total Totals Index: 31.30 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 13.90 C K Index: -11.70 Risk: None Sweat Index: 15.00 Risk: None Energy Index: 4.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.44 J/kg Max Up Vert Vel: 9.43 m/s Conv Inhibition (B-): 46651.65 J/kg Cap Strength: 27.96 C Lift Cond Lev (LCL): 869.02 mb = 1105.07 m = 3625.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 at 5 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 ---------------------------------------------------------- 0 978 258 340 1 0.3 -0.9 | 67 5 -4.6 -2.0 1 925 656 340 11 3.8 -10.3 | 6 11 -1.2 -11.4 2 850 1267 290 5 4.7 -1.7 | 6 3 -0.3 -2.7 3 700 2681 200 9 3.1 8.5 | 166 8 -1.9 7.4 4 500 5040 215 5 2.9 4.1 | 145 4 -2.1 3.1 5 400 6540 240 7 6.1 3.5 | 204 3 1.1 2.5 6 300 8370 225 7 4.9 4.9 | 180 4 -0.0 3.9 7 272 8978 215 5 2.9 4.1 | 145 4 -2.1 3.1 8 250 9500 245 9 8.2 3.8 | 229 4 3.2 2.8 9 200 10890 260 9 8.9 1.6 | 262 4 3.9 0.5 10 150 12690 300 17 14.7 -8.5 | 314 14 9.7 -9.5 11 100 15210 285 11 10.6 -2.8 | 305 7 5.6 -3.9 12 70 17390 275 21 20.9 -1.8 | 280 16 15.9 -2.9 13 50 19410 285 21 20.3 -5.4 | 293 17 15.3 -6.5 Wind Parameters Mean winds (0-6000m): 228.3 at 6.8 knts Storm direction: 258.3 at 5.1 knts Shear (0-3000m) pos: 0.2 neg: 1.7 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 97.4 deg Storm rel helicity (0-3000m) pos: 0.7 neg: -25.5 tot: -24.8 m^2/s^2 ave: -8.3 10^-3 m/s^2 rel: -0.53 Storm rel vorticity (0-3000m) horiz: 5.5 stream: -2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.66 Bulk Shear: 16.69 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 ------------------------------------------------------------------------------- 500 339 7 19 8| 0.0 9.3 9.3| 0.0 -15.8 -15.8 -31.5 -0.68| 12.2 -8.3 1000 330 7 11 7| 0.0 2.3 2.3| 0.7 -18.3 -17.6 -17.6 -0.45| 9.8 -4.4 1500 316 7 3 6| 0.0 2.2 2.2| 0.7 -19.5 -18.8 -12.5 -0.50| 7.8 -3.9 2000 297 7 345 4| 0.0 2.1 2.1| 0.7 -21.3 -20.6 -10.3 -0.53| 6.9 -3.6 2500 274 7 306 3| 0.0 2.0 2.0| 0.7 -25.3 -24.6 -9.8 -0.54| 6.4 -3.4 3000 254 7 246 2| 0.2 1.7 1.8| 0.7 -25.5 -24.8 -8.3 -0.53| 5.5 -2.9 4000 235 7 198 3| 0.4 1.2 1.6| 0.7 -26.5 -25.8 -6.4 -0.52| 4.3 -2.2 5000 228 7 183 4| 0.4 1.0 1.4| 1.0 -27.4 -26.4 -5.3 -0.50| 3.7 -1.8 6000 228 7 181 3| 0.4 0.8 1.3| 2.7 -27.4 -24.7 -4.1 -0.42| 3.2 -1.4 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251128.12.gif