UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 17 APR 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 -5 SFC 968 265 9.4 -8.6 27 18.0 2.5 215 7 285.2 285.5 277.3 291.2 2.06 2 963 308 9.6 -5.4 34 15.0 3.4 215 9 285.8 286.3 278.4 293.5 2.65 3 941 499 8.0 -9.0 29 17.0 1.6 215 16 286.1 286.4 277.7 292.1 2.05 4 925 640 6.6 -10.4 28 17.0 0.4 215 21 286.1 286.4 277.4 291.6 1.87 5 850 1325 0.0 -13.0 37 13.0 -4.2 220 27 286.1 286.4 277.2 291.0 1.65 6 764 2166 -8.1 -16.1 53 8.0 -10.3 239 30 286.3 286.5 276.9 290.5 1.42 7 729 2529 -9.9 -14.9 67 5.0 -11.3 248 32 288.2 288.4 278.2 293.1 1.65 8 705 2787 -9.5 -13.4 73 3.9 -10.7 254 33 291.4 291.7 280.1 297.2 1.93 9 700 2842 -9.7 -13.6 73 3.9 -10.9 255 33 291.7 292.1 280.2 297.5 1.91 10 695 2897 -9.7 -13.7 73 4.0 -10.9 255 33 292.3 292.7 280.5 298.1 1.91 11 500 5360 -26.3 -30.3 69 4.0 -26.9 260 33 301.0 301.1 282.6 303.0 0.62 12 488 5536 -27.3 -31.4 68 4.1 -27.9 260 34 301.8 301.9 282.9 303.7 0.57 13 400 6940 -38.1 -43.1 59 5.0 -38.4 260 42 305.5 305.5 283.9 306.2 0.21 14 300 8850 -53.3 -58.3 54 5.0 -53.4 265 52 310.2 310.2 285.5 310.4 0.05 15 269 9548 -58.1 -63.1 53 5.0 -58.2 262 50 313.1 313.1 286.5 313.2 0.03 16 250 10010 -59.3 -64.3 52 5.0 -59.4 260 48 317.9 317.9 288.1 318.0 0.03 17 239 10292 -60.1 -65.1 52 5.0 -60.2 265 46 320.8 320.8 289.0 320.9 0.03 18 232 10477 -59.9 -64.9 52 5.0 -60.0 267 46 323.9 323.9 290.0 324.0 0.03 19 200 11420 -53.1 -59.1 48 6.0 -53.3 275 46 348.7 348.7 296.4 349.0 0.07 20 180 12103 -49.9 -56.9 44 7.0 -50.2 270 39 364.6 364.6 299.7 365.0 0.10 21 150 13290 -51.3 -61.3 29 10.0 -51.7 260 27 381.7 381.7 302.6 382.0 0.07 22 100 15910 -52.9 -66.9 17 14.0 -53.5 260 21 425.5 425.5 308.4 425.8 0.05 23 92 16450 -52.3 -67.3 15 15.0 -52.9 261 21 437.0 437.0 309.6 437.2 0.05 24 70 18220 -52.9 -69.9 11 17.0 -53.8 265 21 471.2 471.2 312.8 471.5 0.04 25 66 18602 -49.3 -66.3 12 17.0 -50.6 262 19 487.0 487.1 314.0 487.5 0.08 26 50 20410 -51.5 -69.5 10 18.0 -52.8 250 11 522.1 522.1 316.5 522.5 0.07 27 49 20541 -51.5 -69.5 10 18.0 -52.8 251 11 525.1 525.2 316.6 525.6 0.07 28 43 21387 -53.1 -72.1 8 19.0 -54.4 256 13 541.2 541.2 317.6 541.5 0.05 29 39 22020 -50.7 -69.7 9 19.0 -52.5 260 14 562.6 562.6 318.8 563.2 0.08 30 33 23105 -52.5 -71.5 8 19.0 -54.2 266 16 585.3 585.4 319.9 585.9 0.07 31 30 23720 -53.7 -72.7 8 19.0 -55.4 270 17 598.2 598.3 320.6 598.8 0.07 32 28 24165 -52.1 -72.1 7 20.0 -54.2 614.6 614.6 321.3 615.2 0.08 33 27 24401 -50.7 -70.7 8 20.0 -53.1 625.0 625.0 321.7 625.8 0.10 TRP 239 10292 -60.1 -65.1 52 5.0 -60.2 265 46 320.8 320.8 289.0 320.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5365.00 m Freezing level: 850.00 mb = 1325.00 m = 4347.06 ft Wetbulb zero: 918.03 mb = 701.24 m = 2300.62 ft Precipitable water: 0.32 inches Sfc-500 mean rel hum: 58.12 % Est. max temperature: 10.42 C = 50.75 F Sfc-Lift cond lev (LCL): 733.96 mb = 2476.20 m = 8123.92 ft T: -9.64 C 700-500 lapse rate: 6.59 C/km ThetaE index: 2.98 C Layer 941.0- 729.0 mb Conv cond level (CCL): 631.11 mb = 3618.50 m = 11871.56 ft Mean mixing ratio: 1.96 g/kg Conv temperature: 19.09 C = 66.36 F Cap Strength: 5.16 C Lifted Index: 8.60 C Risk: None Lifted Index @300 mb: 13.13 C Lifted Index @700 mb: 4.75 C Showalter Index: 9.13 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 26.30 C Cross Totals Index: 13.30 C K Index: 9.40 Risk: None Sweat Index: 192.35 Risk: None Energy Index: 2.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.34 J/kg Max Up Vert Vel: 1.64 m/s Conv Inhibition (B-): 46933.55 J/kg Cap Strength: 8.38 C Lift Cond Lev (LCL): 717.75 mb = 2648.76 m = 8690.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 at 23 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 ---------------------------------------------------------- 0 968 265 215 7 4.0 5.7 | 117 21 -18.6 9.4 1 925 640 215 21 12.0 17.2 | 153 23 -10.6 20.9 2 850 1325 220 27 17.4 20.7 | 168 25 -5.3 24.4 3 700 2842 255 33 31.9 8.5 | 217 15 9.2 12.3 4 500 5360 260 33 32.5 5.7 | 226 14 9.9 9.4 5 400 6940 260 42 41.4 7.3 | 240 22 18.7 11.0 6 300 8850 265 52 51.8 4.5 | 254 30 29.2 8.2 7 250 10010 260 48 47.3 8.3 | 244 27 24.6 12.0 8 239 10292 265 46 45.8 4.0 | 252 24 23.2 7.7 9 200 11420 275 46 45.8 -4.0 | 271 23 23.2 -0.3 10 150 13290 260 27 26.6 4.7 | 205 9 4.0 8.4 11 100 15910 260 21 20.7 3.6 | 165 8 -2.0 7.4 12 70 18220 265 21 20.9 1.8 | 163 6 -1.7 5.5 13 50 20410 250 11 10.3 3.8 | 121 14 -12.3 7.5 14 30 23720 270 17 17.0 -0.0 | 123 7 -5.6 3.7 Wind Parameters Mean winds (0-6000m): 249.3 at 30.6 knts Storm direction: 279.3 at 22.9 knts Shear (0-3000m) pos: 4.8 neg: 0.0 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 101.6 deg Storm rel helicity (0-3000m) pos: 204.9 neg: 0.0 tot: 204.9 m^2/s^2 ave: 68.3 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 6.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 50.80 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 ------------------------------------------------------------------------------- 500 215 16 141 21| 15.5 0.0 15.5| 83.5 0.0 83.5 167.0 0.97| 15.6 15.1 1000 217 20 152 22| 10.0 0.0 10.0|112.4 0.0 112.4 112.4 0.97| 10.2 9.9 1500 220 23 159 23| 7.6 0.0 7.6|143.3 0.0 143.3 95.6 0.95| 8.7 8.3 2000 225 24 166 22| 6.3 0.0 6.3|172.3 0.0 172.3 86.1 0.93| 8.2 7.6 2500 231 26 173 20| 5.7 0.0 5.7|199.3 0.0 199.3 79.7 0.92| 7.9 7.3 3000 236 27 179 19| 4.8 0.0 4.8|204.9 0.0 204.9 68.3 0.92| 6.9 6.3 4000 242 29 189 17| 3.6 0.0 3.6|208.4 0.0 208.4 52.1 0.92| 5.3 4.8 5000 247 30 196 16| 2.9 0.0 2.9|211.9 0.0 211.9 42.4 0.91| 4.4 4.0 6000 249 31 202 16| 2.6 0.2 2.9|222.6 0.0 222.6 37.1 0.87| 4.1 3.5 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250417.12.gif