UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 20 APR 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 30 SFC 990 111 3.4 -5.6 52 9.0 0.0 95 5 277.3 277.8 273.7 284.5 2.54 2 958 377 1.4 -9.6 44 11.0 -2.3 112 13 277.9 278.3 273.1 283.4 1.92 3 952 427 1.8 -9.2 44 11.0 -2.0 115 14 278.8 279.2 273.8 284.5 2.00 4 951 436 3.6 -8.4 41 12.0 -0.7 116 14 280.8 281.1 275.0 286.9 2.13 5 925 661 4.6 -8.4 38 13.0 -0.2 130 21 284.0 284.4 276.8 290.4 2.19 6 905 839 4.4 -10.6 33 15.0 -0.9 135 19 285.6 285.9 277.2 291.1 1.88 7 850 1345 0.2 -11.8 40 12.0 -3.8 150 15 286.4 286.7 277.5 291.7 1.82 8 829 1545 -1.5 -13.5 39 12.0 -5.3 147 13 286.6 286.9 277.4 291.5 1.62 9 815 1680 -1.5 -12.5 43 11.0 -5.1 145 12 288.0 288.3 278.3 293.4 1.79 10 795 1878 -1.3 -16.3 31 15.0 -5.8 141 11 290.3 290.5 278.8 294.4 1.34 11 719 2671 -6.5 -34.5 9 28.0 -11.5 128 5 293.0 293.1 278.6 294.0 0.29 12 700 2880 -7.7 -35.7 9 28.0 -12.5 125 3 294.0 294.0 279.0 294.8 0.26 13 649 3463 -12.1 -27.1 28 15.0 -15.2 132 3 295.4 295.5 280.2 297.5 0.64 14 540 4846 -20.7 -41.7 13 21.0 -23.1 148 3 301.1 301.1 282.1 301.7 0.18 15 500 5410 -25.3 -46.3 12 21.0 -27.2 155 3 302.2 302.2 282.4 302.6 0.12 16 433 6432 -34.5 -51.5 16 17.0 -35.4 181 7 303.2 303.2 282.8 303.5 0.08 17 400 6980 -38.5 -55.5 15 17.0 -39.2 195 9 305.0 305.0 283.5 305.1 0.05 18 300 8890 -53.9 -65.9 22 12.0 -54.1 190 23 309.4 309.4 285.1 309.4 0.02 19 290 9106 -55.3 -67.3 21 12.0 -55.5 193 24 310.4 310.4 285.5 310.5 0.02 20 275 9442 -57.9 -68.9 23 11.0 -58.0 196 24 311.4 311.4 285.8 311.4 0.01 21 262 9746 -58.7 -69.7 23 11.0 -58.8 200 25 314.6 314.6 286.9 314.6 0.01 22 253 9965 -58.9 -69.9 23 11.0 -59.0 200 26 317.4 317.4 287.9 317.5 0.01 23 250 10040 -58.1 -69.1 23 11.0 -58.2 200 27 319.7 319.7 288.6 319.7 0.01 24 231 10544 -54.3 -65.3 25 11.0 -54.5 204 28 332.8 332.8 292.5 332.9 0.03 25 200 11480 -50.3 -63.3 20 13.0 -50.7 210 29 353.1 353.1 297.3 353.3 0.04 26 172 12465 -48.9 -65.9 12 17.0 -49.5 207 26 371.0 371.0 300.8 371.1 0.03 27 150 13360 -50.3 -70.3 8 20.0 -50.9 205 23 383.4 383.4 302.8 383.5 0.02 28 100 16000 -51.3 -75.3 4 24.0 -52.1 235 15 428.6 428.6 308.7 428.7 0.01 29 76 17776 -52.1 -76.1 4 24.0 -53.0 200 12 461.9 461.9 312.0 462.0 0.02 30 73 18037 -50.1 -75.1 4 25.0 -51.3 195 11 471.5 471.5 312.8 471.6 0.02 31 70 18310 -51.3 -75.3 4 24.0 -52.4 190 11 474.6 474.6 313.0 474.8 0.02 32 60 19308 -53.5 -77.5 4 24.0 -54.5 220 10 491.1 491.1 314.3 491.2 0.02 33 58 19527 -50.7 -74.7 4 24.0 -52.1 226 10 502.2 502.2 315.1 502.4 0.03 34 52 20236 -52.7 -76.7 4 24.0 -53.9 247 9 513.5 513.5 315.9 513.6 0.02 35 50 20490 -51.7 -75.7 4 24.0 -53.1 255 9 521.6 521.6 316.4 521.8 0.03 36 39 22101 -51.1 -75.1 4 24.0 -52.9 226 8 561.6 561.6 318.8 561.8 0.04 37 35 22798 -54.7 -78.7 4 24.0 -56.1 213 8 569.8 569.8 319.2 570.0 0.02 38 34 22984 -54.7 -78.7 4 24.0 -56.1 210 7 574.6 574.6 319.4 574.7 0.02 39 30 23790 -51.1 -75.1 4 24.0 -53.4 195 7 605.3 605.4 320.9 605.7 0.05 40 29 24010 -49.9 -74.9 4 25.0 -52.5 196 7 614.5 614.6 321.3 614.9 0.05 41 20 26430 -50.5 -74.5 4 24.0 -53.7 210 5 681.6 681.6 323.9 682.3 0.08 42 10 30960 -50.1 -75.1 4 25.0 -55.4 190 9 832.5 832.6 328.0 834.0 0.14 43 9.5 31297 -47.7 -73.7 3 26.0 -54.1 853.9 854.0 328.5 855.9 0.19 44 7.2 33137 -45.3 -71.3 4 26.0 -53.8 934.2 934.4 330.1 938.3 0.35 TRP 262 9746 -58.7 -69.7 23 11.0 -58.8 200 25 314.6 314.6 286.9 314.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5380.00 m Freezing level: 847.53 mb = 1368.51 m = 4489.79 ft Wetbulb zero: 989.72 mb = 113.70 m = 373.03 ft Precipitable water: 0.22 inches Sfc-500 mean rel hum: 24.87 % Est. max temperature: 12.51 C = 54.52 F Sfc-Lift cond lev (LCL): 860.86 mb = 1242.53 m = 4076.49 ft T: 1.05 C 700-500 lapse rate: 6.96 C/km ThetaE index: 1.04 C Layer 958.0- 952.0 mb Conv cond level (CCL): 625.16 mb = 3744.83 m = 12286.02 ft Mean mixing ratio: 2.10 g/kg Conv temperature: 22.58 C = 72.64 F Cap Strength: 12.39 C Lifted Index: 12.65 C Risk: None Lifted Index @300 mb: 15.40 C Lifted Index @700 mb: 9.45 C Showalter Index: 9.60 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 13.50 C K Index: -14.30 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 2.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.18 J/kg Max Up Vert Vel: 9.40 m/s Conv Inhibition (B-): 63955.26 J/kg Cap Strength: 12.61 C Lift Cond Lev (LCL): 775.87 mb = 2070.53 m = 6793.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 171 at 5 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 ---------------------------------------------------------- 0 990 111 95 5 -5.0 0.4 | 40 6 -4.1 -4.9 1 925 661 130 21 -16.1 13.5 | 118 17 -15.2 8.2 2 850 1345 150 15 -7.5 13.0 | 139 10 -6.6 7.7 3 700 2880 125 3 -2.5 1.7 | 24 4 -1.6 -3.6 4 500 5410 155 3 -1.3 2.7 | 9 3 -0.4 -2.6 5 400 6980 195 9 2.3 8.7 | 223 5 3.2 3.4 6 300 8890 190 23 4.0 22.7 | 196 18 4.9 17.3 7 262 9746 200 25 8.6 23.5 | 207 20 9.4 18.2 8 250 10040 200 27 9.2 25.4 | 207 22 10.1 20.1 9 200 11480 210 29 14.5 25.1 | 218 25 15.4 19.8 10 150 13360 205 23 9.7 20.8 | 214 19 10.6 15.5 11 100 16000 235 15 12.3 8.6 | 256 14 13.2 3.3 12 70 18310 190 11 1.9 10.8 | 207 6 2.8 5.5 13 50 20490 255 9 8.7 2.3 | 287 10 9.6 -3.0 14 30 23790 195 7 1.8 6.8 | 241 3 2.7 1.5 15 20 26430 210 5 2.5 4.3 | 286 4 3.4 -1.0 16 10 30960 190 9 1.6 8.9 | 214 4 2.4 3.6 Wind Parameters Mean winds (0-6000m): 140.7 at 7.2 knts Storm direction: 170.7 at 5.4 knts Shear (0-3000m) pos: 1.8 neg: 1.7 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): -16.7 deg Storm rel helicity (0-3000m) pos: 60.2 neg: -14.8 tot: 45.5 m^2/s^2 ave: 15.2 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 1.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 9.65 Bulk Shear: 4.58 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 ------------------------------------------------------------------------------- 500 123 12 98 10| 16.0 0.0 16.0| 36.7 0.0 36.7 73.4 0.80| 16.7 13.3 1000 130 16 114 12| 7.3 0.0 7.3| 56.4 0.0 56.4 56.4 0.76| 12.0 9.2 1500 135 15 120 12| 3.6 0.0 3.6| 60.2 -3.2 57.1 38.0 0.63| 9.7 6.1 2000 137 14 120 10| 2.7 1.1 3.8| 60.2 -8.5 51.7 25.9 0.45| 8.4 3.8 2500 138 13 118 9| 2.2 1.7 3.8| 60.2 -12.7 47.6 19.0 0.31| 7.5 2.3 3000 138 11 115 7| 1.8 1.7 3.5| 60.2 -14.8 45.5 15.2 0.23| 6.7 1.6 4000 138 9 106 6| 1.4 1.3 2.7| 60.2 -15.0 45.3 11.3 0.22| 5.1 1.1 5000 138 8 98 4| 1.1 1.0 2.2| 60.2 -15.3 45.0 9.0 0.21| 4.1 0.9 6000 141 7 94 4| 1.2 0.9 2.1| 60.4 -15.4 45.0 7.5 0.18| 3.7 0.7 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20250420.00.gif