UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 28 OCT 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 57 110 5 SFC 993 111 -8.7 -13.6 68 4.9 -9.9 110 5 265.0 265.2 263.7 268.7 1.34 2 948 470 -10.7 -16.7 61 6.0 -12.0 149 17 266.5 266.7 264.3 269.5 1.09 3 925 659 -9.3 -15.3 62 6.0 -10.7 170 23 269.8 270.0 266.9 273.3 1.26 4 909 794 -8.7 -15.7 57 7.0 -10.4 171 21 271.8 272.0 268.2 275.3 1.24 5 899 880 -7.1 -14.1 57 7.0 -8.9 172 20 274.3 274.5 270.1 278.3 1.43 6 870 1135 -7.1 -16.1 49 9.0 -9.4 174 17 276.9 277.1 271.4 280.5 1.25 7 859 1234 -7.9 -17.9 44 10.0 -10.3 174 16 277.0 277.2 271.2 280.2 1.09 8 850 1316 -8.5 -17.5 48 9.0 -10.7 175 15 277.2 277.4 271.5 280.6 1.14 9 833 1472 -9.9 -16.9 57 7.0 -11.6 177 16 277.4 277.6 271.7 280.9 1.22 10 813 1660 -9.1 -13.1 73 4.0 -10.2 178 17 280.2 280.4 274.0 285.1 1.71 11 803 1756 -9.9 -13.1 77 3.2 -10.8 179 17 280.3 280.6 274.2 285.3 1.73 12 753 2249 -13.1 -16.1 78 3.0 -13.9 184 20 282.0 282.3 274.7 286.3 1.44 13 700 2803 -15.1 -18.2 77 3.1 -15.8 190 23 285.8 286.0 276.5 289.7 1.30 14 586 4130 -21.3 -24.3 77 3.0 -21.8 187 24 293.4 293.6 279.7 296.3 0.91 15 500 5280 -30.1 -33.7 71 3.6 -30.5 185 25 296.3 296.4 280.4 297.8 0.44 16 400 6830 -40.9 -44.5 68 3.6 -41.1 190 33 301.8 301.9 282.4 302.5 0.18 17 330 8114 -49.7 -53.6 63 3.9 -49.8 193 39 306.8 306.8 284.2 307.1 0.08 18 300 8730 -55.7 -59.5 62 3.8 -55.8 195 42 306.8 306.8 284.2 307.0 0.04 19 279 9185 -59.9 -63.9 59 4.0 -59.9 199 41 307.2 307.2 284.3 307.3 0.03 20 252 9811 -64.3 -68.3 58 4.0 -64.3 205 40 309.8 309.8 285.2 309.8 0.02 21 250 9860 -63.9 -68.0 57 4.1 -63.9 205 38 311.1 311.1 285.7 311.1 0.02 22 247 9934 -63.1 -67.2 57 4.1 -63.1 205 37 313.3 313.3 286.5 313.4 0.02 23 200 11240 -57.7 -61.9 59 4.2 -57.8 205 23 341.4 341.4 294.7 341.6 0.05 24 170 12273 -55.9 -60.1 59 4.2 -56.0 211 17 360.6 360.6 298.9 360.9 0.07 25 150 13070 -56.9 -61.9 53 5.0 -57.1 215 13 372.0 372.1 300.9 372.3 0.06 26 100 15620 -59.5 -66.5 40 7.0 -59.7 265 7 412.8 412.8 306.9 413.0 0.05 27 70 17840 -62.1 -70.1 34 8.0 -62.3 255 9 451.5 451.5 311.0 451.8 0.04 28 60 18790 -63.1 -72.1 29 9.0 -63.3 260 11 469.6 469.7 312.6 469.9 0.04 29 50 19910 -63.3 -73.3 25 10.0 -63.6 265 13 494.3 494.3 314.5 494.5 0.04 30 30 23050 -64.3 -74.3 24 10.0 -64.7 265 19 569.3 569.4 319.2 569.7 0.05 31 24 24412 -64.7 -75.7 21 11.0 -65.2 257 18 605.7 605.7 320.9 606.1 0.05 32 20 25530 -62.7 -73.7 21 11.0 -63.5 250 17 644.2 644.3 322.5 645.0 0.09 33 19 25847 -61.5 -73.5 19 12.0 -62.4 657.5 657.5 323.0 658.3 0.10 TRP 252 9811 -64.3 -68.3 58 4.0 -64.3 205 40 309.8 309.8 285.2 309.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5223.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 70.81 % Est. max temperature: 3.59 C = 38.46 F Sfc-Lift cond lev (LCL): 918.02 mb = 717.58 m = 2354.23 ft T: -9.04 C 700-500 lapse rate: 6.06 C/km ThetaE index: 0.27 C Layer 859.0- 850.0 mb Conv cond level (CCL): 596.69 mb = 3995.08 m = 13107.05 ft Mean mixing ratio: 1.24 g/kg Conv temperature: 18.92 C = 66.06 F Cap Strength: 19.02 C Lifted Index: 20.27 C Risk: None Lifted Index @300 mb: 24.79 C Lifted Index @700 mb: 13.88 C Showalter Index: 13.36 C Risk: None Total Totals Index: 34.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 12.60 C K Index: 1.00 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.81 J/kg Max Up Vert Vel: 8.70 m/s Conv Inhibition (B-): 51710.38 J/kg Cap Strength: 20.20 C Lift Cond Lev (LCL): 855.18 mb = 1268.87 m = 4162.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 214 at 16 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 ---------------------------------------------------------- 0 993 111 110 5 -4.7 1.7 | 49 18 -13.8 -11.9 1 925 659 170 23 -4.0 22.7 | 125 16 -13.1 9.0 2 850 1316 175 15 -1.3 14.9 | 97 10 -10.4 1.3 3 700 2803 190 23 4.0 22.7 | 151 10 -5.1 9.0 4 500 5280 185 25 2.2 24.9 | 149 13 -6.9 11.3 5 400 6830 190 33 5.7 32.5 | 170 19 -3.4 18.9 6 300 8730 195 42 10.9 40.6 | 184 27 1.8 27.0 7 252 9811 205 40 16.9 36.3 | 199 24 7.8 22.6 8 250 9860 205 38 16.1 34.4 | 199 22 7.0 20.8 9 200 11240 205 23 9.7 20.8 | 185 7 0.6 7.2 10 150 13070 215 13 7.5 10.6 | 29 3 -1.6 -3.0 11 100 15620 265 7 7.0 0.6 | 9 13 -2.1 -13.0 12 70 17840 255 9 8.7 2.3 | 2 11 -0.4 -11.3 13 50 19910 265 13 13.0 1.1 | 343 13 3.9 -12.5 14 30 23050 265 19 18.9 1.7 | 321 15 9.8 -12.0 15 20 25530 250 17 16.0 5.8 | 319 10 6.9 -7.8 Wind Parameters Mean winds (0-6000m): 183.7 at 21.8 knts Storm direction: 213.7 at 16.4 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 101.2 deg Storm rel helicity (0-3000m) pos: 131.1 neg: -18.3 tot: 112.9 m^2/s^2 ave: 37.6 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 4.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 2.25 Bulk Shear: 16.78 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 ------------------------------------------------------------------------------- 500 159 13 85 14| 19.5 0.0 19.5| 97.6 0.0 97.6 195.3 0.99| 21.6 21.4 1000 167 17 102 13| 8.2 0.0 8.2|106.5 -11.9 94.6 94.6 0.69| 14.6 10.0 1500 169 17 102 12| 5.3 0.0 5.3|111.1 -18.2 92.9 62.0 0.59| 11.2 6.5 2000 172 17 105 12| 4.7 0.0 4.7|119.3 -18.2 101.1 50.6 0.62| 9.2 5.7 2500 176 18 111 11| 4.4 0.0 4.4|127.7 -18.2 109.6 43.8 0.65| 8.0 5.2 3000 179 18 117 11| 3.9 0.0 3.9|131.1 -18.3 112.9 37.6 0.66| 7.0 4.6 4000 182 20 126 10| 2.9 0.1 3.1|131.1 -18.7 112.4 28.1 0.63| 5.4 3.4 5000 183 21 132 11| 2.4 0.2 2.6|131.1 -19.4 111.8 22.4 0.61| 4.4 2.7 6000 184 22 137 11| 2.4 0.2 2.6|143.9 -19.4 124.4 20.7 0.62| 4.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251028.12.gif