UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 30 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 35 SFC 973 259 7.6 -0.4 57 8.0 4.0 225 5 283.0 283.6 278.5 293.7 3.81 2 850 1344 -2.5 -3.2 95 0.7 -2.8 235 29 283.5 284.1 278.4 293.6 3.55 3 849 1353 -2.5 -3.2 95 0.7 -2.8 235 29 283.6 284.2 278.4 293.7 3.55 4 810 1727 -2.3 -3.1 94 0.8 -2.6 231 27 287.7 288.3 280.7 298.5 3.75 5 700 2875 -7.5 -8.6 92 1.1 -7.9 220 21 294.2 294.7 282.5 302.7 2.85 6 670 3216 -8.9 -10.1 91 1.2 -9.3 215 27 296.3 296.8 283.1 304.3 2.65 7 500 5430 -21.7 -23.5 85 1.8 -22.1 180 66 306.6 306.8 285.4 310.4 1.15 8 456 6101 -25.9 -27.9 83 2.0 -26.2 182 64 309.5 309.7 286.2 312.4 0.84 9 449 6213 -25.3 -27.3 83 2.0 -25.6 182 63 311.6 311.8 287.0 314.7 0.91 10 400 7040 -31.5 -33.5 82 2.0 -31.7 185 60 314.0 314.2 287.4 316.0 0.57 11 381 7383 -33.3 -35.3 82 2.0 -33.6 185 61 316.1 316.2 288.1 317.8 0.50 12 323 8518 -43.9 -45.9 80 2.0 -44.0 185 63 316.7 316.8 287.9 317.4 0.19 13 300 9010 -47.3 -49.4 79 2.1 -47.4 185 64 318.7 318.7 288.5 319.2 0.14 14 278 9509 -51.2 -53.3 78 2.1 -51.3 180 68 320.0 320.1 288.9 320.4 0.10 15 250 10190 -56.7 -58.8 77 2.1 -56.8 175 60 321.8 321.8 289.3 322.0 0.05 16 248 10241 -56.9 -59.0 77 2.1 -56.9 175 58 322.2 322.2 289.5 322.4 0.05 17 244 10345 -55.5 -57.7 76 2.2 -55.5 177 56 325.8 325.8 290.6 326.1 0.06 18 242 10398 -54.9 -57.1 76 2.2 -54.9 177 55 327.5 327.5 291.1 327.8 0.07 19 200 11630 -51.7 -54.1 75 2.4 -51.8 195 31 350.9 350.9 297.0 351.4 0.12 20 190 11964 -50.3 -52.7 76 2.4 -50.4 207 28 358.3 358.4 298.5 359.0 0.15 21 164 12927 -48.7 -51.2 75 2.5 -48.8 243 19 376.4 376.5 301.8 377.4 0.21 22 150 13510 -51.1 -53.5 75 2.4 -51.2 265 13 382.0 382.1 302.7 382.8 0.17 23 100 16120 -55.1 -57.6 74 2.5 -55.2 300 17 421.3 421.3 308.0 422.1 0.16 24 70 18410 -54.5 -57.1 73 2.6 -54.7 345 9 467.8 467.9 312.5 469.2 0.24 25 50 20570 -52.5 -55.2 72 2.7 -52.9 40 11 519.8 519.9 316.5 522.5 0.43 26 30 23870 -53.1 -55.8 72 2.7 -53.6 45 5 599.9 600.1 320.8 604.7 0.66 27 26 24795 -51.7 -54.4 73 2.7 -52.4 628.9 629.3 322.2 635.9 0.91 TRP 248 10241 -56.9 -59.0 77 2.1 -56.9 175 58 322.2 322.2 289.5 322.4 0.05 WND 278 9509 -51.2 -53.3 78 2.1 -51.3 180 68 320.0 320.1 288.9 320.4 0.10 Sounding variables and indices 1000-500 mb thick: 5395.00 m Freezing level: 880.45 mb = 1075.37 m = 3528.08 ft Wetbulb zero: 900.54 mb = 880.20 m = 2887.76 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 87.41 % Est. max temperature: 10.91 C = 51.65 F Sfc-Lift cond lev (LCL): 860.70 mb = 1243.52 m = 4079.74 ft T: -1.56 C 700-500 lapse rate: 5.56 C/km ThetaE index: 0.12 C Layer 850.0- 849.0 mb Conv cond level (CCL): 775.20 mb = 2072.29 m = 6798.79 ft Mean mixing ratio: 3.71 g/kg Conv temperature: 14.22 C = 57.59 F Cap Strength: 6.84 C Lifted Index: 11.80 C Risk: None Lifted Index @300 mb: 17.78 C Lifted Index @700 mb: 5.72 C Showalter Index: 11.85 C Risk: None Total Totals Index: 37.70 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 18.50 C K Index: 14.90 Risk: None Sweat Index: 124.00 Risk: None Energy Index: 3.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 43604.32 J/kg Cap Strength: 11.70 C Lift Cond Lev (LCL): 852.21 mb = 1323.19 m = 4341.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 227 at 29 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 ---------------------------------------------------------- 0 973 259 225 5 3.5 3.5 | 47 24 -17.3 -16.1 1 925 669 205 25 10.6 22.7 | 106 11 -10.2 3.0 2 850 1344 235 29 23.8 16.6 | 315 4 3.0 -3.0 3 700 2875 220 21 13.5 16.1 | 64 8 -7.3 -3.6 4 500 5430 180 66 0.0 66.0 | 156 51 -20.8 46.4 5 400 7040 185 60 5.2 59.8 | 159 43 -15.6 40.1 6 300 9010 185 64 5.6 63.8 | 161 47 -15.2 44.1 7 278 9509 180 68 0.0 68.0 | 157 53 -20.8 48.4 8 250 10190 175 60 -5.2 59.8 | 147 48 -26.0 40.1 9 248 10241 175 58 -5.1 57.8 | 146 46 -25.8 38.1 10 200 11630 195 31 8.0 29.9 | 129 16 -12.8 10.3 11 150 13510 265 13 13.0 1.1 | 23 20 -7.8 -18.5 12 100 16120 300 17 14.7 -8.5 | 12 29 -6.1 -28.1 13 70 18410 345 9 2.3 -8.7 | 33 34 -18.5 -28.3 14 50 20570 40 11 -7.1 -8.4 | 45 40 -27.9 -28.1 15 30 23870 45 5 -3.5 -3.5 | 46 34 -24.3 -23.2 Wind Parameters Mean winds (0-6000m): 196.6 at 38.1 knts Storm direction: 226.6 at 28.6 knts Shear (0-3000m) pos: 1.9 neg: 4.1 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 75.6 deg Storm rel helicity (0-3000m) pos: 63.6 neg: -1.4 tot: 62.2 m^2/s^2 ave: 20.7 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 63.49 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 ------------------------------------------------------------------------------- 500 208 17 70 14| 0.0 21.4 21.4| 45.8 0.0 45.8 91.6 0.61| 22.8 13.8 1000 216 22 77 8| 5.6 10.7 16.2| 46.1 -1.2 44.9 44.9 0.28| 17.3 4.8 1500 223 24 66 5| 3.7 6.6 10.3| 48.1 -1.4 46.7 31.1 0.30| 13.1 3.9 2000 224 24 59 4| 2.8 4.7 7.5| 50.5 -1.4 49.1 24.5 0.34| 10.7 3.7 2500 225 24 57 5| 2.2 3.5 5.8| 52.3 -1.4 50.9 20.4 0.35| 9.3 3.2 3000 224 24 62 5| 1.9 4.1 6.0| 63.6 -1.4 62.2 20.7 0.42| 9.1 3.8 4000 217 27 114 5| 1.4 5.7 7.1| 82.0 -1.4 80.6 20.1 0.40| 9.4 3.7 5000 204 33 144 13| 1.1 6.7 7.8| 82.0 -47.3 34.6 6.9 0.25| 9.9 2.5 6000 197 38 150 20| 1.1 5.7 6.9| 98.7 -65.9 32.8 5.5 0.23| 8.9 2.1 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250430.12.gif