UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 1 MAY 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 135 SFC 984 263 -1.7 -7.7 64 6.0 -3.7 285 3 272.7 273.1 270.4 278.7 2.17 2 925 750 -6.9 -13.9 57 7.0 -8.7 285 27 272.3 272.5 268.8 276.2 1.41 3 865 1268 -11.9 -16.2 70 4.3 -12.9 289 27 272.3 272.5 268.5 275.8 1.25 4 850 1402 -12.9 -17.1 71 4.2 -13.8 290 27 272.6 272.8 268.7 276.0 1.18 5 784 2012 -17.5 -19.8 82 2.3 -17.9 292 27 274.1 274.2 269.3 277.0 1.01 6 776 2089 -17.9 -20.2 82 2.3 -18.3 292 27 274.5 274.6 269.5 277.3 0.99 7 768 2167 -16.3 -18.8 81 2.5 -16.8 293 27 277.0 277.2 271.3 280.3 1.13 8 706 2796 -19.7 -31.7 34 12.0 -21.2 295 27 280.0 280.0 271.8 281.2 0.38 9 700 2859 -20.1 -32.1 33 12.0 -21.7 295 27 280.2 280.3 271.9 281.4 0.37 10 622 3728 -24.7 -40.7 21 16.0 -26.1 291 30 284.6 284.6 274.1 285.2 0.18 11 574 4312 -25.7 -45.7 14 20.0 -27.3 289 32 290.0 290.0 276.9 290.4 0.11 12 500 5300 -32.1 -48.1 19 16.0 -33.1 285 36 293.9 293.9 278.7 294.2 0.10 13 478 5615 -34.5 -49.5 20 15.0 -35.3 286 33 294.7 294.8 279.1 295.1 0.09 14 438 6219 -39.1 -53.1 21 14.0 -39.6 288 27 296.4 296.4 279.8 296.6 0.06 15 422 6474 -38.5 -52.5 22 14.0 -39.1 289 24 300.3 300.3 281.5 300.6 0.07 16 404 6772 -40.3 -55.3 19 15.0 -40.9 290 21 301.8 301.8 282.1 301.9 0.05 17 400 6840 -40.3 -56.3 16 16.0 -40.9 280 19 302.6 302.6 282.5 302.8 0.05 18 361 7541 -40.3 -58.3 13 18.0 -41.0 268 18 311.6 311.6 285.9 311.8 0.04 19 300 8800 -42.5 -63.5 8 21.0 -43.2 245 17 325.5 325.5 290.5 325.6 0.02 20 290 9027 -44.5 -65.5 8 21.0 -45.1 238 18 325.8 325.8 290.5 325.9 0.02 21 279 9286 -43.5 -64.5 8 21.0 -44.2 229 19 330.8 330.8 292.0 330.9 0.02 22 250 10020 -44.7 -66.7 7 22.0 -45.3 205 21 339.6 339.6 294.3 339.7 0.02 23 200 11520 -43.9 -67.9 5 24.0 -44.8 250 15 363.3 363.3 299.4 363.4 0.02 24 172 12526 -46.1 -71.1 4 25.0 -46.9 245 11 375.6 375.6 301.5 375.7 0.02 25 166 12762 -44.9 -70.9 4 26.0 -45.9 244 10 381.5 381.5 302.5 381.5 0.02 26 160 13009 -43.3 -69.3 4 26.0 -44.5 242 9 388.2 388.2 303.5 388.3 0.02 27 150 13440 -46.1 -72.1 4 26.0 -47.0 240 7 390.6 390.6 303.9 390.7 0.02 28 145 13664 -47.9 -73.9 3 26.0 -48.7 245 7 391.3 391.3 304.0 391.4 0.01 29 143 13756 -47.1 -73.1 4 26.0 -48.0 246 7 394.3 394.3 304.4 394.3 0.01 30 100 16100 -51.5 -77.5 3 26.0 -52.3 295 9 428.2 428.2 308.6 428.3 0.01 31 73 18131 -54.1 -79.1 3 25.0 -54.9 291 11 463.1 463.1 312.0 463.1 0.01 32 70 18400 -53.7 -78.7 3 25.0 -54.5 290 11 469.5 469.5 312.6 469.6 0.01 33 50 20580 -51.9 -77.9 3 26.0 -53.3 10 7 521.2 521.2 316.4 521.3 0.02 34 44 21412 -50.3 -76.3 3 26.0 -52.1 2 6 544.5 544.5 317.8 544.7 0.03 35 39 22197 -51.9 -77.9 3 26.0 -53.6 355 6 559.5 559.6 318.6 559.7 0.02 36 30 23900 -51.5 -78.5 3 27.0 -53.7 340 5 604.2 604.3 320.8 604.4 0.03 37 26 24831 -50.5 -77.5 3 27.0 -53.2 632.3 632.3 322.0 632.6 0.04 38 23 25635 -48.3 -76.3 2 28.0 -51.9 661.4 661.4 323.1 661.8 0.05 TRP 404 6772 -40.3 -55.3 19 15.0 -40.9 290 21 301.8 301.8 282.1 301.9 0.05 WND Sounding variables and indices 1000-500 mb thick: 5165.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 42.99 % Est. max temperature: -1.43 C = 29.43 F Sfc-Lift cond lev (LCL): 895.40 mb = 1001.33 m = 3285.17 ft T: -9.32 C 700-500 lapse rate: 4.92 C/km ThetaE index: 2.86 C Layer 925.0- 850.0 mb Conv cond level (CCL): 841.36 mb = 1479.13 m = 4852.74 ft Mean mixing ratio: 1.61 g/kg Conv temperature: -1.59 C = 29.14 F Cap Strength: 11.90 C Lifted Index: 14.29 C Risk: None Lifted Index @300 mb: 34.41 C Lifted Index @700 mb: 4.90 C Showalter Index: 14.99 C Risk: None Total Totals Index: 34.20 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 15.00 C K Index: -9.90 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 3.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.07 J/kg Max Up Vert Vel: 2.04 m/s Conv Inhibition (B-): 55846.59 J/kg Cap Strength: 14.02 C Lift Cond Lev (LCL): 846.70 mb = 1431.39 m = 4696.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 319 at 21 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 ---------------------------------------------------------- 0 984 263 285 3 2.9 -0.8 | 144 19 -11.1 15.5 1 925 750 285 27 26.1 -7.0 | 232 15 12.0 9.3 2 850 1402 290 27 25.4 -9.2 | 238 13 11.3 7.0 3 700 2859 295 27 24.5 -11.4 | 245 11 10.4 4.8 4 500 5300 285 36 34.8 -9.3 | 252 22 20.7 6.9 5 404 6772 290 21 19.7 -7.2 | 212 11 5.7 9.1 6 400 6840 280 19 18.7 -3.3 | 200 14 4.7 12.9 7 300 8800 245 17 15.4 7.2 | 183 23 1.4 23.4 8 250 10020 205 21 8.9 19.0 | 172 36 -5.2 35.3 9 200 11520 250 15 14.1 5.1 | 180 21 0.0 21.4 10 150 13440 240 7 6.1 3.5 | 158 21 -8.0 19.7 11 100 16100 295 9 8.2 -3.8 | 155 14 -5.9 12.4 12 70 18400 290 11 10.3 -3.8 | 163 13 -3.7 12.5 13 50 20580 10 7 -1.2 -6.9 | 121 18 -15.3 9.3 14 30 23900 340 5 1.7 -4.7 | 133 17 -12.3 11.5 Wind Parameters Mean winds (0-6000m): 289.1 at 28.6 knts Storm direction: 319.1 at 21.5 knts Shear (0-3000m) pos: 4.1 neg: 0.3 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 103.6 deg Storm rel helicity (0-3000m) pos: 88.6 neg: 0.0 tot: 88.6 m^2/s^2 ave: 29.5 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 23.77 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 ------------------------------------------------------------------------------- 500 285 15 183 12| 24.7 0.0 24.7| 76.6 0.0 76.6 153.2 0.88| 24.8 21.8 1000 286 21 211 12| 12.3 0.0 12.3| 80.8 0.0 80.8 80.8 0.86| 13.3 11.5 1500 288 23 221 12| 8.2 0.0 8.2| 83.2 0.0 83.2 55.4 0.85| 9.3 7.9 2000 289 24 226 12| 6.2 0.0 6.2| 84.9 0.0 84.9 42.4 0.84| 7.2 6.0 2500 290 25 230 12| 4.9 0.0 4.9| 86.5 0.0 86.5 34.6 0.84| 5.9 4.9 3000 291 25 233 12| 4.1 0.3 4.4| 88.6 0.0 88.6 29.5 0.81| 5.2 4.2 4000 291 26 238 13| 3.1 0.8 3.8| 91.8 0.0 91.8 23.0 0.73| 4.5 3.3 5000 290 28 241 14| 2.5 1.1 3.5| 92.8 -0.0 92.7 18.5 0.66| 4.0 2.6 6000 289 29 242 15| 1.3 0.9 2.2| 92.8 -23.8 69.0 11.5 0.42| 4.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250501.00.gif