UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 6 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 ------------------------------------------------------------------------------- 0 1000 191 220 3 SFC 991 263 -0.7 -0.8 99 0.1 -0.7 220 3 273.2 273.8 272.9 283.0 3.63 2 925 810 -4.7 -6.7 86 2.0 -5.4 255 21 274.5 274.9 272.0 281.4 2.50 3 850 1470 -8.7 -10.9 84 2.2 -9.4 285 13 277.0 277.4 272.6 282.6 1.95 4 772 2209 -13.9 -16.5 81 2.6 -14.5 273 11 279.2 279.4 272.9 283.1 1.36 5 700 2945 -19.3 -21.9 80 2.6 -19.8 260 9 281.1 281.3 273.4 283.9 0.95 6 500 5350 -39.7 -42.5 75 2.8 -39.8 265 17 284.6 284.7 274.1 285.2 0.18 7 484 5571 -41.7 -44.5 74 2.8 -41.8 266 18 284.8 284.9 274.2 285.3 0.15 8 400 6840 -48.9 -51.7 72 2.8 -49.0 270 21 291.4 291.5 277.5 291.7 0.08 9 311 8462 -56.7 -59.6 70 2.9 -56.8 285 13 302.3 302.3 282.4 302.4 0.04 10 301 8669 -56.9 -59.8 70 2.9 -56.9 280 9 304.8 304.9 283.4 305.0 0.04 11 300 8690 -56.9 -59.8 70 2.9 -56.9 280 9 305.1 305.1 283.5 305.3 0.04 12 250 9860 -51.9 -55.1 68 3.2 -52.0 315 3 328.9 328.9 291.5 329.3 0.09 13 234 10289 -51.1 -54.4 68 3.3 -51.2 309 4 336.4 336.4 293.5 336.8 0.10 14 200 11310 -50.7 -54.5 64 3.8 -50.8 295 5 352.5 352.5 297.3 353.0 0.12 15 150 13180 -51.5 -55.7 61 4.2 -51.7 305 9 381.3 381.4 302.6 382.0 0.13 16 100 15810 -52.3 -56.8 58 4.5 -52.6 290 9 426.7 426.7 308.6 427.6 0.18 17 70 18120 -54.1 -58.6 58 4.5 -54.5 265 7 468.6 468.7 312.6 469.8 0.20 18 58 19321 -54.9 -59.5 57 4.6 -55.3 259 14 492.7 492.8 314.5 494.0 0.22 19 50 20270 -54.1 -58.7 57 4.6 -54.6 255 19 516.0 516.1 316.2 517.7 0.28 20 30 23550 -54.5 -59.1 57 4.6 -55.2 240 40 596.1 596.2 320.6 599.3 0.44 21 21 25853 -50.9 -55.6 57 4.7 -52.2 670.9 671.3 323.7 678.9 0.97 TRP 311 8462 -56.7 -59.6 70 2.9 -56.8 285 13 302.3 302.3 282.4 302.4 0.04 WND Sounding variables and indices 1000-500 mb thick: 5159.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 80.86 % Est. max temperature: 3.41 C = 38.13 F Sfc-Lift cond lev (LCL): 989.26 mb = 277.19 m = 909.40 ft T: -0.80 C 700-500 lapse rate: 8.48 C/km ThetaE index: 1.57 C Layer 925.0- 850.0 mb Conv cond level (CCL): 913.57 mb = 907.01 m = 2975.73 ft Mean mixing ratio: 2.82 g/kg Conv temperature: 1.01 C = 33.83 F Cap Strength: 1.89 C Lifted Index: 2.64 C Risk: None Lifted Index @300 mb: 16.38 C Lifted Index @700 mb: 1.89 C Showalter Index: 2.20 C Risk: Showers probable Total Totals Index: 59.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.00 C Cross Totals Index: 28.80 C K Index: 17.50 Risk: < 20 % chance of thunderstorms Sweat Index: 259.00 Risk: None Energy Index: 0.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.65 J/kg Max Up Vert Vel: 4.16 m/s Conv Inhibition (B-): 54118.15 J/kg Cap Strength: 2.63 C Lift Cond Lev (LCL): 922.05 mb = 834.90 m = 2739.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 10 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 ---------------------------------------------------------- 0 991 263 220 3 1.9 2.3 | 133 10 -7.3 6.7 1 925 810 255 21 20.3 5.4 | 228 15 11.0 9.9 2 850 1470 285 13 12.6 -3.4 | 252 3 3.3 1.1 3 700 2945 260 9 8.9 1.6 | 176 6 -0.4 6.0 4 500 5350 265 17 16.9 1.5 | 232 10 7.7 5.9 5 400 6840 270 21 21.0 -0.0 | 249 13 11.7 4.4 6 311 8462 285 13 12.6 -3.4 | 252 3 3.3 1.1 7 300 8690 280 9 8.9 -1.6 | 172 3 -0.4 2.9 8 250 9860 315 3 2.1 -2.1 | 108 8 -7.1 2.3 9 200 11310 295 5 4.5 -2.1 | 116 5 -4.7 2.3 10 150 13180 305 9 7.4 -5.2 | 69 2 -1.9 -0.7 11 100 15810 290 9 8.5 -3.1 | 150 2 -0.8 1.4 12 70 18120 265 7 7.0 0.6 | 156 6 -2.3 5.1 13 50 20270 255 19 18.4 4.9 | 224 13 9.1 9.4 14 30 23550 240 40 34.6 20.0 | 226 35 25.4 24.4 Wind Parameters Mean winds (0-6000m): 265.7 at 13.7 knts Storm direction: 295.7 at 10.3 knts Shear (0-3000m) pos: 1.9 neg: 0.7 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 53.6 deg Storm rel helicity (0-3000m) pos: 67.4 neg: -6.3 tot: 61.1 m^2/s^2 ave: 20.4 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.82 Bulk Shear: 2.27 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 ------------------------------------------------------------------------------- 500 250 11 189 8| 17.5 0.0 17.5| 50.0 0.0 50.0 100.0 0.96| 18.4 17.7 1000 258 15 215 9| 7.2 0.0 7.2| 64.9 0.0 64.9 64.9 0.80| 14.1 11.2 1500 264 14 221 8| 3.8 0.0 3.8| 65.8 -1.2 64.6 43.0 0.66| 11.0 7.3 2000 267 14 220 7| 2.8 0.6 3.4| 65.8 -3.3 62.5 31.2 0.56| 8.8 4.9 2500 268 13 216 6| 2.3 0.9 3.1| 65.8 -5.5 60.3 24.1 0.48| 7.5 3.6 3000 267 12 211 6| 1.9 0.7 2.6| 67.4 -6.3 61.1 20.4 0.47| 6.5 3.1 4000 266 12 208 6| 1.8 0.6 2.4| 72.8 -6.3 66.5 16.6 0.51| 5.3 2.7 5000 265 13 212 6| 1.8 0.4 2.2| 78.5 -6.3 72.2 14.4 0.53| 4.6 2.4 6000 266 14 219 7| 1.7 0.4 2.1| 84.7 -6.3 78.4 13.1 0.54| 4.1 2.2 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251006.12.gif