UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 24 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 ------------------------------------------------------------------------------- SFC 1005 113 0.8 -5.2 64 6.0 -1.4 265 1 273.6 274.0 271.5 280.7 2.58 1 1000 153 -0.7 -8.7 55 8.0 -3.3 290 1 272.5 272.8 269.9 277.9 1.98 2 994 201 -1.9 -9.9 54 8.0 -4.4 293 1 271.7 272.0 269.1 276.7 1.81 3 983 290 -0.7 -8.7 55 8.0 -3.3 299 1 273.8 274.1 270.8 279.4 2.01 4 925 772 -4.3 -11.3 58 7.0 -6.4 330 3 274.9 275.2 271.0 279.8 1.74 5 850 1431 -10.1 -14.6 70 4.5 -11.2 305 11 275.6 275.8 270.9 279.7 1.45 6 848 1449 -10.3 -14.7 70 4.4 -11.4 306 11 275.5 275.8 270.9 279.7 1.44 7 835 1568 -10.7 -15.0 71 4.3 -11.8 310 10 276.3 276.6 271.4 280.4 1.43 8 810 1802 -10.1 -17.1 57 7.0 -11.8 319 9 279.4 279.6 272.9 283.0 1.23 9 793 1965 -11.3 -22.3 40 11.0 -13.6 325 8 279.8 279.9 272.4 282.2 0.81 10 774 2150 -12.5 -24.5 36 12.0 -14.8 332 7 280.5 280.6 272.6 282.5 0.68 11 712 2787 -12.7 -26.7 30 14.0 -15.3 355 4 287.0 287.1 276.1 288.9 0.60 12 700 2916 -13.5 -27.5 30 14.0 -16.0 360 3 287.5 287.6 276.3 289.3 0.57 13 500 5380 -32.5 -45.5 26 13.0 -33.3 125 3 293.4 293.4 278.6 293.9 0.13 14 466 5873 -36.7 -49.7 25 13.0 -37.3 133 6 294.2 294.2 278.9 294.5 0.09 15 436 6333 -38.7 -49.7 30 11.0 -39.2 140 8 297.3 297.3 280.3 297.6 0.09 16 400 6920 -43.5 -53.5 32 10.0 -43.8 150 11 298.5 298.5 280.8 298.7 0.07 17 321 8365 -53.3 -61.3 37 8.0 -53.4 140 31 304.3 304.3 283.1 304.4 0.03 18 300 8800 -52.7 -60.7 37 8.0 -52.8 145 23 311.1 311.1 285.8 311.2 0.04 19 260 9725 -51.9 -62.9 26 11.0 -52.1 129 10 325.2 325.2 290.4 325.4 0.03 20 250 9980 -50.7 -62.7 23 12.0 -51.0 125 7 330.7 330.7 291.9 330.8 0.03 21 246 10086 -49.5 -61.5 23 12.0 -49.8 125 7 334.0 334.0 292.9 334.2 0.04 22 200 11440 -50.5 -67.5 12 17.0 -50.9 130 9 352.8 352.8 297.3 352.9 0.02 23 197 11538 -50.9 -67.9 12 17.0 -51.3 131 9 353.7 353.7 297.4 353.8 0.02 24 187 11879 -48.5 -66.5 11 18.0 -49.1 136 9 362.9 362.9 299.3 363.0 0.03 25 150 13320 -50.9 -72.9 6 22.0 -51.5 155 11 382.4 382.4 302.6 382.4 0.01 26 146 13496 -51.7 -73.7 5 22.0 -52.2 153 11 383.9 383.9 302.9 384.0 0.01 27 113 15174 -47.3 -72.3 4 25.0 -48.4 138 8 421.3 421.4 307.9 421.4 0.02 28 100 15980 -48.7 -73.7 4 25.0 -49.7 130 7 433.6 433.6 309.2 433.7 0.02 29 70 18310 -50.9 -74.9 4 24.0 -52.0 155 9 475.5 475.5 313.1 475.6 0.02 30 50 20510 -51.1 -75.1 4 24.0 -52.6 130 9 523.1 523.1 316.5 523.2 0.03 31 41 21798 -52.7 -76.7 4 24.0 -54.2 116 10 549.6 549.6 318.1 549.8 0.03 32 30 23820 -52.1 -76.1 4 24.0 -54.2 95 11 602.6 602.6 320.7 602.9 0.04 33 26 24750 -50.3 -75.3 4 25.0 -53.0 632.9 632.9 322.0 633.3 0.05 TRP 321 8365 -53.3 -61.3 37 8.0 -53.4 140 31 304.3 304.3 283.1 304.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5227.00 m Freezing level: 1002.33 mb = 134.37 m = 440.86 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 39.90 % Est. max temperature: 2.77 C = 36.98 F Sfc-Lift cond lev (LCL): 915.23 mb = 854.79 m = 2804.40 ft T: -5.03 C 700-500 lapse rate: 7.71 C/km ThetaE index: 3.92 C Layer 1000.0- 983.0 mb Conv cond level (CCL): 693.36 mb = 2985.80 m = 9795.82 ft Mean mixing ratio: 1.86 g/kg Conv temperature: 14.98 C = 58.97 F Cap Strength: 9.68 C Lifted Index: 11.95 C Risk: None Lifted Index @300 mb: 22.51 C Lifted Index @700 mb: 9.68 C Showalter Index: 11.66 C Risk: None Total Totals Index: 40.30 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 17.90 C K Index: -6.20 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.49 J/kg Max Up Vert Vel: 4.36 m/s Conv Inhibition (B-): 51402.87 J/kg Cap Strength: 11.81 C Lift Cond Lev (LCL): 849.21 mb = 1438.15 m = 4718.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 3 at 3 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 1005 113 265 1 1.0 0.1 | 199 4 1.2 3.5 1 1000 153 290 1 0.9 -0.3 | 200 3 1.1 3.0 2 925 772 330 3 1.5 -2.6 | 245 2 1.7 0.8 3 850 1431 305 11 9.0 -6.3 | 288 10 9.2 -2.9 4 700 2916 360 3 -0.0 -3.0 | 205 0 0.2 0.4 5 500 5380 125 3 -2.5 1.7 | 156 6 -2.3 5.1 6 400 6920 150 11 -5.5 9.5 | 158 14 -5.3 12.9 7 321 8365 140 31 -19.9 23.7 | 144 34 -19.7 27.1 8 300 8800 145 23 -13.2 18.8 | 150 26 -13.0 22.2 9 250 9980 125 7 -5.7 4.0 | 143 9 -5.6 7.4 10 200 11440 130 9 -6.9 5.8 | 144 11 -6.7 9.2 11 150 13320 155 11 -4.6 10.0 | 161 14 -4.5 13.4 12 100 15980 130 7 -5.4 4.5 | 147 9 -5.2 7.9 13 70 18310 155 9 -3.8 8.2 | 163 12 -3.6 11.5 14 50 20510 130 9 -6.9 5.8 | 144 11 -6.7 9.2 15 30 23820 95 11 -11.0 1.0 | 112 12 -10.8 4.3 Wind Parameters Mean winds (0-6000m): 333.0 at 4.5 knts Storm direction: 3.0 at 3.4 knts Shear (0-3000m) pos: 1.3 neg: 1.3 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): -56.9 deg Storm rel helicity (0-3000m) pos: 8.6 neg: -1.0 tot: 7.7 m^2/s^2 ave: 2.6 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.70 Bulk Shear: 1.23 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 ------------------------------------------------------------------------------- 500 310 2 212 3| 2.1 0.0 2.1| 1.2 0.0 1.2 2.4 0.74| 2.2 1.6 1000 320 3 243 2| 1.1 2.4 3.5| 3.1 0.0 3.1 3.1 0.60| 3.6 2.2 1500 311 5 270 4| 0.7 2.6 3.3| 5.1 -0.8 4.3 2.9 0.38| 4.3 1.6 2000 314 6 280 5| 0.9 1.9 2.9| 8.1 -0.8 7.3 3.6 0.39| 4.2 1.7 2500 315 6 282 5| 1.2 1.6 2.8| 8.6 -0.8 7.9 3.1 0.36| 4.1 1.4 3000 316 6 280 4| 1.3 1.3 2.6| 8.6 -1.0 7.7 2.6 0.25| 3.8 0.9 4000 325 5 283 3| 1.3 1.0 2.3| 8.9 -1.0 7.8 2.0 0.22| 3.2 0.7 5000 329 5 282 3| 1.2 0.8 1.9| 10.7 -1.0 9.7 1.9 0.26| 2.8 0.7 6000 333 5 286 2| 1.3 0.6 1.9| 11.6 -1.8 9.8 1.6 0.23| 2.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20250424.00.gif