UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 2 DEC 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 106 SFC 980 257 -18.9 -21.5 80 2.6 -19.3 180 1 255.7 255.8 255.2 257.6 0.70 2 925 686 -20.7 -24.3 73 3.6 -21.2 240 25 258.1 258.2 256.9 259.7 0.58 3 883 1029 -21.7 -25.2 73 3.5 -22.1 254 25 260.6 260.6 258.8 262.1 0.56 4 873 1113 -18.7 -22.2 74 3.5 -19.3 257 25 264.5 264.6 262.2 266.6 0.74 5 850 1312 -18.1 -20.9 79 2.8 -18.6 265 25 267.2 267.3 264.3 269.6 0.85 6 823 1553 -18.9 -21.9 77 3.0 -19.4 270 25 268.8 268.9 265.4 271.1 0.80 7 792 1840 -17.3 -20.4 77 3.1 -17.9 276 24 273.5 273.7 268.8 276.2 0.95 8 718 2572 -19.3 -22.5 76 3.2 -19.8 291 23 279.1 279.2 272.1 281.7 0.87 9 700 2760 -20.3 -23.7 74 3.4 -20.9 295 23 280.0 280.1 272.5 282.4 0.81 10 551 4498 -30.9 -34.3 72 3.4 -31.2 249 30 287.3 287.3 275.9 288.5 0.38 11 500 5180 -36.1 -39.6 70 3.5 -36.4 230 33 289.0 289.1 276.6 289.8 0.25 12 400 6690 -47.3 -50.8 67 3.5 -47.4 240 35 293.5 293.5 278.5 293.8 0.09 13 360 7378 -52.3 -56.2 63 3.9 -52.4 242 35 295.8 295.8 279.6 296.0 0.05 14 300 8540 -58.1 -62.1 60 4.0 -58.2 245 35 303.4 303.5 282.8 303.6 0.03 15 295 8646 -58.7 -62.7 60 4.0 -58.7 245 36 304.1 304.1 283.1 304.2 0.03 16 289 8775 -57.7 -61.8 59 4.1 -57.8 249 35 307.3 307.3 284.3 307.4 0.03 17 250 9690 -56.9 -61.2 58 4.3 -57.0 280 31 321.5 321.5 289.2 321.6 0.04 18 200 11100 -57.5 -62.2 55 4.7 -57.6 300 31 341.7 341.7 294.8 341.9 0.04 19 167 12231 -58.1 -63.1 53 5.0 -58.2 306 32 358.8 358.8 298.5 359.0 0.05 20 150 12900 -60.7 -66.7 45 6.0 -60.8 310 33 365.5 365.5 299.8 365.7 0.03 21 100 15410 -64.3 -71.3 38 7.0 -64.4 315 36 403.5 403.5 305.7 403.6 0.03 22 70 17570 -69.3 -76.3 35 7.0 -69.4 315 38 436.1 436.1 309.5 436.2 0.02 23 50 19560 -71.1 -78.1 35 7.0 -71.2 310 38 475.9 475.9 313.1 476.0 0.02 24 39 21014 -75.5 -82.5 33 7.0 -75.6 499.9 499.9 314.9 499.9 0.01 25 31 22346 -74.9 -81.9 33 7.0 -75.0 535.4 535.4 317.2 535.5 0.02 TRP 295 8646 -58.7 -62.7 60 4.0 -58.7 245 36 304.1 304.1 283.1 304.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5074.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 74.18 % Est. max temperature: -6.31 C = 20.65 F Sfc-Lift cond lev (LCL): 938.94 mb = 574.80 m = 1885.79 ft T: -20.23 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.00 C Layer 980.0-11024811681644544.0 mb Conv cond level (CCL): 575.74 mb = 4178.72 m = 13709.53 ft Mean mixing ratio: 0.61 g/kg Conv temperature: 11.17 C = 52.11 F Cap Strength: 23.28 C Lifted Index: 24.06 C Risk: None Lifted Index @300 mb: 30.94 C Lifted Index @700 mb: 18.76 C Showalter Index: 16.09 C Risk: None Total Totals Index: 33.20 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 15.20 C K Index: -6.30 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 4.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.44 J/kg Max Up Vert Vel: 6.24 m/s Conv Inhibition (B-): 43043.95 J/kg Cap Strength: 23.92 C Lift Cond Lev (LCL): 879.74 mb = 1056.02 m = 3464.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 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 ---------------------------------------------------------- 0 980 257 180 1 0.0 1.0 | 107 20 -19.4 6.0 1 925 686 240 25 21.7 12.5 | 187 18 2.2 17.5 2 850 1312 265 25 24.9 2.2 | 217 9 5.5 7.2 3 700 2760 295 23 20.8 -9.7 | 343 5 1.4 -4.7 4 500 5180 230 33 25.3 21.2 | 193 27 5.8 26.2 5 400 6690 240 35 30.3 17.5 | 206 25 10.9 22.5 6 300 8540 245 35 31.7 14.8 | 212 23 12.3 19.8 7 295 8646 245 36 32.6 15.2 | 213 24 13.2 20.2 8 250 9690 280 31 30.5 -5.4 | 272 11 11.1 -0.4 9 200 11100 300 31 26.8 -15.5 | 325 13 7.4 -10.5 10 150 12900 310 33 25.3 -21.2 | 340 17 5.8 -16.2 11 100 15410 315 36 25.5 -25.5 | 344 21 6.0 -20.4 12 70 17570 315 38 26.9 -26.9 | 341 23 7.4 -21.9 13 50 19560 310 38 29.1 -24.4 | 334 22 9.7 -19.4 Wind Parameters Mean winds (0-6000m): 254.4 at 26.8 knts Storm direction: 284.4 at 20.1 knts Shear (0-3000m) pos: 4.0 neg: 1.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 163.5 deg Storm rel helicity (0-3000m) pos: 180.7 neg: -6.7 tot: 174.1 m^2/s^2 ave: 58.0 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 6.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.84 Bulk Shear: 23.25 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 ------------------------------------------------------------------------------- 500 239 15 151 14| 25.3 0.0 25.3|147.6 0.0 147.6 295.2 0.98| 30.0 29.4 1000 248 20 175 13| 12.8 0.0 12.8|166.0 0.0 166.0 166.0 0.89| 19.5 17.4 1500 256 21 187 10| 8.4 0.0 8.4|172.3 0.0 172.3 114.8 0.86| 14.7 12.7 2000 262 22 197 8| 6.2 0.0 6.2|176.6 0.0 176.6 88.3 0.86| 12.2 10.5 2500 268 22 206 7| 4.8 0.0 4.8|180.7 0.0 180.7 72.3 0.86| 10.6 9.2 3000 271 23 215 6| 4.0 1.0 5.0|180.7 -6.7 174.1 58.0 0.68| 9.9 6.7 4000 270 24 220 7| 3.0 2.4 5.4|180.7 -27.8 152.9 38.2 0.43| 9.1 3.9 5000 261 25 211 11| 2.4 3.2 5.6|181.2 -71.1 110.1 22.0 0.27| 8.7 2.3 6000 254 27 208 14| 2.4 2.7 5.0|208.4 -71.1 137.3 22.9 0.30| 7.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251202.12.gif