UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 17 OCT 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 ------------------------------------------------------------------------------- SFC 1008 258 -3.3 -5.1 87 1.8 -3.9 215 3 269.2 269.7 268.8 276.2 2.59 1 1000 321 -4.3 -6.8 83 2.5 -5.1 195 3 268.9 269.2 268.1 275.1 2.29 2 934 856 -7.7 -10.2 82 2.5 -8.4 274 21 270.7 271.0 268.6 275.9 1.88 3 925 931 -7.5 -9.9 83 2.4 -8.2 285 23 271.6 272.0 269.3 277.0 1.94 4 850 1588 -8.5 -11.0 82 2.5 -9.2 280 17 277.2 277.6 272.8 282.7 1.94 5 834 1735 -8.7 -11.1 83 2.4 -9.4 291 18 278.5 278.9 273.5 284.1 1.96 6 779 2267 -6.5 -8.5 86 2.0 -7.2 332 21 286.4 286.8 278.6 293.9 2.58 7 734 2731 -7.9 -10.1 84 2.2 -8.7 7 25 289.8 290.2 280.0 296.9 2.41 8 700 3098 -10.1 -12.6 82 2.5 -10.9 35 27 291.3 291.7 280.3 297.5 2.07 9 537 5090 -22.7 -25.6 77 2.9 -23.2 39 33 299.2 299.4 282.2 302.1 0.89 10 500 5610 -26.3 -29.1 77 2.8 -26.7 40 35 301.0 301.1 282.7 303.2 0.69 11 400 7180 -38.1 -40.9 75 2.8 -38.3 35 46 305.5 305.5 284.0 306.4 0.27 12 300 9100 -53.1 -56.2 69 3.1 -53.2 40 54 310.5 310.5 285.6 310.7 0.06 13 298 9143 -53.5 -56.6 69 3.1 -53.6 40 55 310.5 310.5 285.6 310.8 0.06 14 288 9361 -54.9 -58.1 68 3.1 -55.0 40 62 311.5 311.5 285.9 311.7 0.05 15 250 10250 -60.9 -64.1 66 3.2 -60.9 40 60 315.5 315.5 287.3 315.6 0.03 16 216 11152 -66.3 -69.5 64 3.2 -66.3 35 56 320.6 320.6 288.9 320.7 0.02 17 207 11411 -66.7 -69.9 64 3.2 -66.7 38 54 323.9 323.9 290.0 324.0 0.01 18 200 11620 -65.9 -69.1 64 3.2 -65.9 40 52 328.4 328.4 291.3 328.5 0.02 19 199 11650 -65.9 -69.1 64 3.2 -65.9 40 52 328.9 328.9 291.4 328.9 0.02 20 151 13349 -59.9 -63.3 64 3.4 -60.0 35 28 366.2 366.2 299.9 366.4 0.05 21 150 13390 -59.9 -63.3 64 3.4 -60.0 35 27 366.9 366.9 300.1 367.1 0.05 22 100 15920 -59.3 -63.0 62 3.7 -59.4 355 17 413.2 413.2 306.9 413.6 0.08 23 70 18150 -59.9 -63.8 60 3.9 -60.1 360 13 456.2 456.3 311.5 456.8 0.10 24 61 19007 -61.5 -65.4 60 3.9 -61.7 352 11 471.0 471.0 312.8 471.5 0.10 25 50 20240 -61.7 -65.7 59 4.0 -61.9 340 9 498.1 498.1 314.9 498.8 0.11 26 35 22448 -60.1 -64.2 59 4.1 -60.4 277 12 555.7 555.8 318.5 557.1 0.19 27 30 23410 -58.7 -62.9 58 4.2 -59.2 250 13 584.6 584.7 320.0 586.6 0.27 28 20 25980 -55.9 -60.1 59 4.2 -56.7 230 17 665.1 665.3 323.4 669.9 0.58 29 15 27823 -52.9 -57.4 58 4.5 -54.2 732.1 732.6 325.7 741.9 1.09 TRP 216 11152 -66.3 -69.5 64 3.2 -66.3 35 56 320.6 320.6 288.9 320.7 0.02 WND 288 9361 -54.9 -58.1 68 3.1 -55.0 40 62 311.5 311.5 285.9 311.7 0.05 Sounding variables and indices 1000-500 mb thick: 5289.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.41 inches Sfc-500 mean rel hum: 81.26 % Est. max temperature: 4.10 C = 39.37 F Sfc-Lift cond lev (LCL): 979.70 mb = 481.59 m = 1580.01 ft T: -5.32 C 700-500 lapse rate: 6.45 C/km ThetaE index: 1.16 C Layer 1000.0- 934.0 mb Conv cond level (CCL): 651.77 mb = 3634.56 m = 11924.28 ft Mean mixing ratio: 2.07 g/kg Conv temperature: 20.99 C = 69.79 F Cap Strength: 19.88 C Lifted Index: 20.79 C Risk: None Lifted Index @300 mb: 24.52 C Lifted Index @700 mb: 15.66 C Showalter Index: 15.46 C Risk: None Total Totals Index: 33.10 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 15.30 C K Index: 4.30 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 4.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.00 J/kg Max Up Vert Vel: 5.10 m/s Conv Inhibition (B-): 55908.37 J/kg Cap Strength: 20.79 C Lift Cond Lev (LCL): 920.56 mb = 968.39 m = 3177.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 53 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 1008 258 215 3 1.7 2.5 | 230 23 17.4 14.3 1 1000 321 195 3 0.8 2.9 | 228 22 16.4 14.8 2 925 931 285 23 22.2 -6.0 | 261 38 37.9 5.9 3 850 1588 280 17 16.7 -3.0 | 255 34 32.4 8.9 4 700 3098 35 27 -15.5 -22.1 | 359 10 0.2 -10.2 5 500 5610 40 35 -22.5 -26.8 | 25 16 -6.8 -14.9 6 400 7180 35 46 -26.4 -37.7 | 23 28 -10.7 -25.8 7 300 9100 40 54 -34.7 -41.4 | 33 35 -19.0 -29.5 8 288 9361 40 62 -39.9 -47.5 | 34 43 -24.2 -35.6 9 250 10250 40 60 -38.6 -46.0 | 34 41 -22.9 -34.1 10 216 11152 35 56 -32.1 -45.9 | 26 38 -16.5 -34.0 11 200 11620 40 52 -33.4 -39.8 | 32 33 -17.8 -27.9 12 150 13390 35 27 -15.5 -22.1 | 359 10 0.2 -10.2 13 100 15920 355 17 1.5 -16.9 | 286 18 17.1 -5.0 14 70 18150 360 13 -0.0 -13.0 | 274 16 15.7 -1.1 15 50 20240 340 9 3.1 -8.5 | 260 19 18.7 3.4 16 30 23410 250 13 12.2 4.4 | 240 32 27.9 16.3 17 20 25980 230 17 13.0 10.9 | 231 37 28.7 22.8 Wind Parameters Mean winds (0-6000m): 22.8 at 26.2 knts Storm direction: 52.8 at 19.7 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 130.8 deg Storm rel helicity (0-3000m) pos: 424.4 neg: -43.4 tot: 381.0 m^2/s^2 ave: 127.0 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 13.8 stream: 9.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.09 Bulk Shear: 146.45 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 ------------------------------------------------------------------------------- 500 249 9 238 29| 15.8 0.0 15.8| 86.4 -7.8 78.6 157.3 0.47| 19.4 9.1 1000 280 15 253 32| 9.8 0.0 9.8|186.0 -26.5 159.5 159.5 0.53| 16.5 8.8 1500 281 16 255 33| 6.1 0.0 6.1|219.8 -43.4 176.4 117.6 0.49| 13.4 6.5 2000 290 17 259 32| 5.9 0.0 5.9|317.2 -43.4 273.8 136.9 0.60| 13.5 8.0 2500 305 18 268 31| 5.7 0.0 5.7|389.4 -43.4 346.0 138.4 0.64| 14.0 9.0 3000 324 20 278 27| 5.2 0.0 5.2|424.4 -43.4 381.0 127.0 0.67| 13.8 9.2 4000 358 22 301 19| 4.3 0.0 4.3|431.9 -43.4 388.5 97.1 0.67| 10.8 7.2 5000 15 24 320 15| 3.8 0.0 3.8|440.0 -43.4 396.6 79.3 0.67| 9.0 6.0 6000 23 26 336 13| 3.3 0.3 3.7|443.0 -44.2 398.8 66.5 0.63| 8.0 5.0 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251017.12.gif