UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 1 MAY 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 62 135 3 SFC 994 112 7.6 -7.4 34 15.0 1.9 135 3 281.2 281.6 275.4 287.5 2.20 2 986 178 8.6 -4.4 39 13.0 3.2 139 4 282.9 283.4 277.1 290.9 2.79 3 925 702 5.0 -12.0 28 17.0 -0.8 175 13 284.4 284.7 276.3 289.3 1.64 4 850 1385 0.2 -14.8 31 15.0 -4.4 270 9 286.4 286.6 277.0 290.6 1.42 5 823 1643 -0.9 -17.9 26 17.0 -5.8 268 9 287.8 288.0 277.3 291.3 1.14 6 775 2120 -3.9 -12.9 50 9.0 -6.8 265 8 289.6 289.9 279.1 295.1 1.83 7 742 2461 -6.7 -16.7 45 10.0 -9.5 263 8 290.2 290.4 278.8 294.4 1.39 8 722 2674 -7.3 -16.3 49 9.0 -9.9 262 7 291.8 292.1 279.7 296.3 1.48 9 700 2915 -8.1 -25.1 24 17.0 -11.9 260 7 293.5 293.6 279.4 295.8 0.71 10 686 3071 -9.1 -28.1 20 19.0 -13.0 268 7 294.1 294.2 279.5 295.9 0.55 11 658 3392 -10.5 -24.5 31 14.0 -13.6 284 8 296.0 296.2 280.7 298.6 0.80 12 593 4182 -16.7 -23.7 55 7.0 -18.2 324 10 297.8 298.0 281.7 300.8 0.95 13 500 5440 -25.7 -37.7 32 12.0 -27.1 30 13 301.7 301.8 282.5 302.7 0.30 14 499 5455 -25.7 -37.7 32 12.0 -27.1 30 13 301.9 301.9 282.5 302.9 0.30 15 400 7020 -37.7 -44.7 48 7.0 -38.2 30 9 306.0 306.0 284.0 306.6 0.18 16 360 7739 -42.7 -48.7 52 6.0 -43.0 34 13 308.7 308.7 285.0 309.1 0.13 17 300 8950 -50.5 -55.2 57 4.7 -50.6 40 19 314.2 314.2 286.9 314.4 0.07 18 255 9986 -58.7 -63.6 53 4.9 -58.7 40 19 317.0 317.0 287.8 317.1 0.03 19 250 10110 -59.3 -64.2 53 4.9 -59.4 40 19 317.9 317.9 288.1 318.0 0.03 20 224 10795 -61.5 -66.4 52 4.9 -61.6 25 21 324.7 324.7 290.2 324.8 0.02 21 202 11446 -54.5 -59.5 54 5.0 -54.6 43 12 345.5 345.5 295.7 345.7 0.06 22 200 11510 -54.5 -59.5 54 5.0 -54.6 45 11 346.5 346.5 295.9 346.7 0.06 23 193 11737 -54.1 -59.1 54 5.0 -54.2 40 11 350.7 350.7 296.8 350.9 0.07 24 163 12824 -51.3 -58.3 43 7.0 -51.6 17 8 372.7 372.7 301.1 373.1 0.09 25 150 13360 -52.9 -60.9 37 8.0 -53.2 5 7 378.9 378.9 302.1 379.3 0.07 26 100 15990 -51.9 -65.9 17 14.0 -52.5 355 11 427.4 427.5 308.6 427.7 0.05 27 70 18300 -50.3 -69.3 9 19.0 -51.4 15 5 476.8 476.8 313.2 477.1 0.05 28 68 18489 -50.9 -69.9 9 19.0 -52.0 479.5 479.5 313.4 479.7 0.05 TRP 224 10795 -61.5 -66.4 52 4.9 -61.6 25 21 324.7 324.7 290.2 324.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5378.00 m Freezing level: 845.09 mb = 1431.91 m = 4697.82 ft Wetbulb zero: 937.08 mb = 595.57 m = 1953.96 ft Precipitable water: 0.27 inches Sfc-500 mean rel hum: 37.70 % Est. max temperature: 13.04 C = 55.47 F Sfc-Lift cond lev (LCL): 788.78 mb = 1979.97 m = 6495.89 ft T: -3.02 C 700-500 lapse rate: 6.97 C/km ThetaE index: 1.59 C Layer 925.0- 850.0 mb Conv cond level (CCL): 616.74 mb = 3884.23 m = 12743.37 ft Mean mixing ratio: 2.04 g/kg Conv temperature: 23.49 C = 74.29 F Cap Strength: 8.97 C Lifted Index: 10.64 C Risk: None Lifted Index @300 mb: 17.27 C Lifted Index @700 mb: 7.61 C Showalter Index: 10.08 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 10.90 C K Index: -5.90 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.96 J/kg Max Up Vert Vel: 4.23 m/s Conv Inhibition (B-): 22578.87 J/kg Cap Strength: 10.53 C Lift Cond Lev (LCL): 746.47 mb = 2414.10 m = 7920.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 348 at 7 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 ---------------------------------------------------------- 0 994 112 135 3 -2.1 2.1 | 158 10 -3.7 9.2 1 925 702 175 13 -1.1 13.0 | 172 20 -2.7 20.0 2 850 1385 270 9 9.0 -0.0 | 226 10 7.5 7.1 3 700 2915 260 7 6.9 1.2 | 213 10 5.4 8.3 4 500 5440 30 13 -6.5 -11.3 | 63 9 -8.0 -4.2 5 400 7020 30 9 -4.5 -7.8 | 83 6 -6.0 -0.7 6 300 8950 40 19 -12.2 -14.6 | 61 16 -13.7 -7.5 7 250 10110 40 19 -12.2 -14.6 | 61 16 -13.7 -7.5 8 224 10795 25 21 -8.9 -19.0 | 41 16 -10.4 -11.9 9 200 11510 45 11 -7.8 -7.8 | 86 9 -9.3 -0.7 10 150 13360 5 7 -0.6 -7.0 | 93 2 -2.1 0.1 11 100 15990 355 11 1.0 -11.0 | 8 4 -0.6 -3.9 12 70 18300 15 5 -1.3 -4.8 | 129 4 -2.8 2.3 Wind Parameters Mean winds (0-6000m): 317.8 at 9.7 knts Storm direction: 347.8 at 7.3 knts Shear (0-3000m) pos: 1.9 neg: 0.3 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 61.6 deg Storm rel helicity (0-3000m) pos: 89.4 neg: -6.7 tot: 82.7 m^2/s^2 ave: 27.6 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 35.43 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 ------------------------------------------------------------------------------- 500 166 7 167 14| 9.4 0.0 9.4| 12.9 -0.4 12.5 25.0 0.30| 9.8 3.0 1000 183 10 177 17| 5.8 0.0 5.8| 71.2 -0.4 70.8 70.8 0.64| 12.0 7.7 1500 202 10 187 16| 3.8 0.0 3.8| 86.4 -1.3 85.1 56.7 0.63| 10.4 6.5 2000 221 9 198 15| 2.8 0.2 3.0| 86.4 -3.4 83.0 41.5 0.59| 8.0 4.7 2500 231 9 203 14| 2.3 0.3 2.6| 86.4 -5.5 80.9 32.4 0.55| 6.6 3.6 3000 238 9 206 13| 1.9 0.3 2.2| 89.4 -6.7 82.7 27.6 0.54| 5.8 3.1 4000 255 9 216 12| 1.8 0.2 2.0|101.6 -6.7 94.9 23.7 0.59| 5.4 3.2 5000 278 9 232 10| 1.5 0.2 1.7|112.3 -6.7 105.6 21.1 0.66| 5.4 3.5 6000 318 10 271 5| 1.2 0.2 1.4|120.1 -6.7 113.4 18.9 0.66| 4.9 3.3 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20250501.12.gif