UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103100.upa.cvt Date: 0000Z 31 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 31 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 92 240 1 SFC 998 107 -17.3 -19.2 85 1.9 -17.6 240 1 256.0 256.1 255.7 258.2 0.84 2 978 260 -13.5 -15.5 85 2.0 -13.9 247 3 261.3 261.5 260.6 264.5 1.17 3 925 684 -13.9 -16.3 82 2.4 -14.4 265 9 265.1 265.3 263.4 268.3 1.16 4 868 1166 -14.9 -17.3 82 2.4 -15.4 254 7 268.9 269.1 266.1 272.1 1.13 5 850 1324 -15.9 -18.3 82 2.4 -16.4 250 7 269.5 269.7 266.3 272.5 1.06 6 700 2768 -22.5 -25.4 77 2.9 -22.9 215 3 277.6 277.7 270.9 279.6 0.69 7 683 2948 -23.1 -26.3 75 3.2 -23.6 212 3 278.9 279.0 271.6 280.8 0.65 8 664 3153 -24.1 -28.2 69 4.1 -24.6 210 4 280.0 280.1 272.1 281.7 0.56 9 599 3894 -29.9 -35.9 56 6.0 -30.4 199 5 281.6 281.7 272.6 282.6 0.30 10 518 4915 -35.1 -44.1 39 9.0 -35.6 184 7 287.3 287.3 275.5 287.8 0.15 11 500 5160 -36.9 -45.9 39 9.0 -37.4 180 7 288.0 288.1 275.9 288.5 0.13 12 400 6670 -48.1 -54.1 50 6.0 -48.3 10 3 292.5 292.5 278.0 292.7 0.06 13 374 7108 -51.5 -57.5 49 6.0 -51.6 15 4 293.6 293.7 278.5 293.8 0.04 14 300 8510 -59.1 -65.1 46 6.0 -59.2 30 7 302.0 302.0 282.2 302.1 0.02 15 292 8678 -60.3 -66.3 45 6.0 -60.3 25 5 302.7 302.7 282.5 302.7 0.02 16 287 8785 -59.3 -65.3 46 6.0 -59.4 20 5 305.6 305.6 283.7 305.7 0.02 17 250 9650 -56.5 -62.5 47 6.0 -56.6 340 5 322.1 322.1 289.4 322.2 0.03 18 231 10155 -54.5 -60.5 47 6.0 -54.6 331 7 332.5 332.5 292.4 332.7 0.05 19 213 10676 -53.7 -59.7 48 6.0 -53.9 322 9 341.5 341.5 294.7 341.8 0.06 20 200 11080 -54.7 -61.7 42 7.0 -54.9 315 11 346.1 346.2 295.8 346.3 0.05 21 150 12920 -55.9 -66.9 24 11.0 -56.2 330 9 373.8 373.8 301.2 373.9 0.03 22 100 15490 -58.1 -73.1 13 15.0 -58.5 305 7 415.5 415.5 307.2 415.6 0.02 23 90 16151 -58.9 -73.9 13 15.0 -59.2 299 8 426.6 426.6 308.4 426.7 0.02 24 70 17720 -60.3 -77.3 9 17.0 -60.7 285 9 455.4 455.4 311.4 455.5 0.01 25 50 19810 -62.5 -79.5 8 17.0 -62.9 280 13 496.2 496.2 314.7 496.3 0.01 26 41 21024 -64.5 -82.5 7 18.0 -64.9 274 17 520.2 520.2 316.3 520.3 0.01 27 30 22940 -61.7 -80.7 6 19.0 -62.4 265 23 576.4 576.4 319.5 576.6 0.02 28 29 23150 -62.1 -81.1 6 19.0 -62.8 264 24 581.0 581.0 319.7 581.1 0.02 29 25 24063 -63.7 -82.7 6 19.0 -64.4 258 28 601.5 601.6 320.7 601.7 0.02 30 20 25440 -61.3 -81.3 5 20.0 -62.4 250 35 648.5 648.5 322.6 648.7 0.03 31 13 28148 -54.7 -77.7 4 23.0 -57.8 241 57 756.4 756.5 326.1 757.1 0.07 32 10 29830 -53.1 -77.1 4 24.0 -57.3 235 71 821.3 821.4 327.8 822.4 0.11 33 9.1 30437 -53.7 -77.7 4 24.0 -57.9 841.5 841.5 328.2 842.6 0.11 34 8.0 31272 -50.1 -74.8 4 24.7 -56.1 240 97 887.3 887.4 329.2 889.3 0.19 35 7.6 31608 -48.7 -73.7 4 25.0 -55.5 906.2 906.3 329.6 908.8 0.23 36 6.0 33179 -43.9 -69.9 4 26.0 -53.9 990.3 990.6 331.1 996.7 0.52 TRP 292 8678 -60.3 -66.3 45 6.0 -60.3 25 5 302.7 302.7 282.5 302.7 0.02 WND 8.0 31272 -50.1 -74.8 4 24.7 -56.1 240 97 887.3 887.4 329.2 889.3 0.19 Sounding variables and indices 1000-500 mb thick: 5068.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 68.51 % Est. max temperature: -3.72 C = 25.31 F Sfc-Lift cond lev (LCL): 967.45 mb = 342.59 m = 1123.95 ft T: -13.58 C 700-500 lapse rate: 6.02 C/km ThetaE index: 0.00 C Layer 998.0- -0.0 mb Conv cond level (CCL): 998.00 mb = 107.02 m = 351.12 ft Mean mixing ratio: 1.13 g/kg Conv temperature: -15.69 C = 3.76 F Cap Strength: 17.67 C Lifted Index: 18.04 C Risk: None Lifted Index @300 mb: 25.43 C Lifted Index @700 mb: 11.11 C Showalter Index: 12.97 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 18.60 C K Index: -0.20 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 3.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.89 J/kg Max Up Vert Vel: 7.20 m/s Conv Inhibition (B-): 67573.74 J/kg Cap Strength: 17.99 C Lift Cond Lev (LCL): 913.51 mb = 778.68 m = 2554.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 245 at 4 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 ---------------------------------------------------------- 0 998 107 240 1 0.9 0.5 | 67 3 -2.8 -1.2 1 925 684 265 9 9.0 0.8 | 280 5 5.3 -0.9 2 850 1324 250 7 6.6 2.4 | 257 3 2.9 0.7 3 700 2768 215 3 1.7 2.5 | 110 2 -2.0 0.7 4 500 5160 180 7 0.0 7.0 | 145 6 -3.7 5.3 5 400 6670 10 3 -0.5 -3.0 | 42 6 -4.2 -4.7 6 300 8510 30 7 -3.5 -6.1 | 43 11 -7.2 -7.8 7 292 8678 25 5 -2.1 -4.5 | 43 9 -5.8 -6.3 8 250 9650 340 5 1.7 -4.7 | 17 7 -2.0 -6.4 9 200 11080 315 11 7.8 -7.8 | 337 10 4.1 -9.5 10 150 12920 330 9 4.5 -7.8 | 355 10 0.8 -9.5 11 100 15490 305 7 5.7 -4.0 | 340 6 2.0 -5.7 12 70 17720 285 9 8.7 -2.3 | 309 6 5.0 -4.1 13 50 19810 280 13 12.8 -2.3 | 294 10 9.1 -4.0 14 30 22940 265 23 22.9 2.0 | 269 19 19.2 0.3 15 20 25440 250 35 32.9 12.0 | 251 31 29.2 10.2 16 10 29830 235 71 58.2 40.7 | 234 67 54.5 39.0 Wind Parameters Mean winds (0-6000m): 215.0 at 5.4 knts Storm direction: 245.0 at 4.1 knts Shear (0-3000m) pos: 1.2 neg: 1.1 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 59.1 deg Storm rel helicity (0-3000m) pos: 0.6 neg: -4.0 tot: -3.4 m^2/s^2 ave: -1.1 10^-3 m/s^2 rel: -0.44 Storm rel vorticity (0-3000m) horiz: 2.9 stream: -1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 11.85 Bulk Shear: 2.19 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 ------------------------------------------------------------------------------- 500 262 4 328 1| 7.2 0.0 7.2| 0.1 -0.3 -0.2 -0.4 -0.30| 7.8 -2.4 1000 261 6 286 3| 3.6 0.5 4.1| 0.3 -1.5 -1.3 -1.3 -0.31| 5.4 -1.7 1500 258 7 276 3| 2.4 1.0 3.4| 0.3 -2.5 -2.3 -1.5 -0.36| 4.3 -1.5 2000 254 6 268 2| 1.8 1.2 3.0| 0.3 -3.2 -2.9 -1.5 -0.42| 3.7 -1.6 2500 251 6 264 2| 1.4 1.2 2.7| 0.3 -3.8 -3.5 -1.4 -0.48| 3.3 -1.6 3000 248 5 257 1| 1.2 1.1 2.3| 0.6 -4.0 -3.4 -1.1 -0.44| 2.9 -1.3 4000 238 5 215 1| 0.9 1.0 1.9| 1.3 -4.0 -2.6 -0.7 -0.34| 2.5 -0.8 5000 224 5 181 2| 0.7 1.0 1.7| 1.4 -4.2 -2.7 -0.5 -0.30| 2.2 -0.7 6000 215 5 168 3| 0.6 1.1 1.7| 1.4 -26.7 -25.3 -4.2 -0.53| 2.8 -1.5 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251031.00.gif