UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100723.upa.cvt Date: 2300Z 7 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 7 OCT 25 Station: Y4775 WMO ident: 94775 ------------------------------------------------------------------------------- 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 1011 18 25.8 13.8 47 12.0 18.1 130 1 298.0 299.8 290.7 326.7 9.85 1 1007 52 23.8 13.8 54 10.0 17.4 106 2 296.4 298.1 290.3 325.0 9.89 2 1000 113 23.2 13.2 53 10.0 16.8 65 3 296.4 298.1 290.0 324.1 9.57 3 987 227 22.0 13.0 57 9.0 16.3 43 5 296.3 298.0 290.0 324.0 9.57 4 973 351 23.8 5.8 31 18.0 13.5 19 6 299.3 300.4 287.7 316.9 5.94 5 925 792 22.0 4.0 31 18.0 11.9 325 21 301.8 302.8 288.2 318.4 5.51 6 898 1048 21.0 3.0 30 18.0 11.0 312 28 303.3 304.3 288.5 319.3 5.29 7 850 1520 17.0 1.0 34 16.0 8.5 300 31 304.0 304.9 288.3 318.7 4.84 8 700 3139 4.2 -5.8 48 10.0 -0.3 260 35 307.1 307.8 288.2 318.2 3.54 9 683 3339 2.6 -6.4 51 9.0 -1.4 259 36 307.5 308.2 288.2 318.4 3.47 10 587 4542 -8.1 -10.0 86 1.9 -8.8 256 38 308.7 309.2 288.2 318.3 3.05 11 500 5770 -17.1 -18.4 90 1.3 -17.5 275 37 312.2 312.5 288.1 318.1 1.79 12 492 5890 -18.1 -18.5 97 0.4 -18.2 273 37 312.4 312.8 288.2 318.3 1.81 13 480 6074 -18.9 -23.9 65 5.0 -20.1 270 37 313.6 313.9 287.9 317.5 1.16 14 475 6152 -18.1 -35.1 21 17.0 -21.0 273 35 315.6 315.6 287.8 317.0 0.41 15 465 6310 -19.3 -43.3 10 24.0 -22.4 280 31 316.0 316.0 287.6 316.7 0.18 16 400 7410 -26.3 -57.3 4 31.0 -28.6 265 22 320.8 320.8 289.0 321.0 0.04 17 373 7913 -29.1 -60.1 3 31.0 -31.0 250 15 323.6 323.6 289.9 323.7 0.03 18 317 9054 -38.9 -55.9 15 17.0 -39.7 227 12 325.4 325.4 290.5 325.6 0.06 19 300 9430 -41.7 -61.7 10 20.0 -42.4 225 15 326.6 326.6 290.7 326.7 0.03 20 294 9567 -42.9 -60.9 12 18.0 -43.5 222 14 326.8 326.8 290.8 326.9 0.04 21 271 10114 -45.3 -67.3 7 22.0 -45.9 231 31 331.0 331.0 292.0 331.1 0.02 22 250 10650 -47.1 -67.1 8 20.0 -47.6 250 41 336.0 336.0 293.3 336.1 0.02 23 226 11312 -51.7 -70.7 9 19.0 -52.0 247 42 338.8 338.8 294.0 338.9 0.01 24 200 12100 -54.5 -75.5 6 21.0 -54.8 260 51 346.5 346.5 295.8 346.5 0.01 25 150 13920 -59.9 -82.9 3 23.0 -60.1 255 64 366.9 366.9 300.0 366.9 0.00 26 145 14130 -61.3 -82.9 4 21.6 -61.5 255 70 368.0 368.0 300.2 368.0 0.00 27 143 14216 -61.9 -82.9 4 21.0 -62.1 250 68 368.4 368.4 300.3 368.5 0.00 28 100 16420 -62.7 -86.7 3 24.0 -62.9 250 34 406.6 406.6 306.1 406.6 0.00 29 72 18437 -65.3 -89.3 2 24.0 -65.5 250 15 441.1 441.1 310.0 441.1 0.00 30 70 18610 -62.9 -88.9 2 26.0 -63.2 250 13 449.8 449.8 310.8 449.8 0.00 31 68 18789 -62.5 -88.5 2 26.0 -62.8 238 12 454.4 454.4 311.3 454.4 0.00 32 65 19066 -64.5 -89.5 2 25.0 -64.8 220 11 456.0 456.0 311.4 456.0 0.00 33 63 19258 -61.5 -88.5 2 27.0 -61.9 208 10 466.7 466.7 312.4 466.7 0.00 34 58 19769 -62.9 -88.9 2 26.0 -63.3 175 9 474.7 474.7 313.0 474.7 0.00 35 54 20214 -58.1 -88.1 1 30.0 -58.7 146 7 495.5 495.5 314.7 495.6 0.00 36 50 20700 -56.5 -87.5 1 31.0 -57.3 115 5 510.3 510.3 315.7 510.4 0.00 37 47 21094 -55.3 -86.3 1 31.0 -56.3 110 8 522.3 522.3 316.5 522.3 0.00 38 43 21659 -56.9 -86.9 1 30.0 -57.9 103 13 531.8 531.8 317.1 531.9 0.00 39 30 23950 -54.7 -86.7 1 32.0 -56.3 75 31 595.5 595.5 320.4 595.6 0.01 40 25 25122 -52.7 -85.7 1 33.0 -55.0 633.1 633.1 322.0 633.2 0.01 TRP 143 14216 -61.9 -82.9 4 21.0 -62.1 250 68 368.4 368.4 300.3 368.5 0.00 WND 145 14130 -61.3 -82.9 4 21.6 -61.5 255 70 368.0 368.0 300.2 368.0 0.00 Sounding variables and indices 1000-500 mb thick: 5657.00 m Freezing level: 659.67 mb = 3631.26 m = 11913.43 ft Wetbulb zero: 705.66 mb = 3071.81 m = 10078.01 ft Precipitable water: 0.90 inches Sfc-500 mean rel hum: 56.62 % Est. max temperature: 31.62 C = 88.91 F Sfc-Lift cond lev (LCL): 847.91 mb = 1540.55 m = 5054.23 ft T: 16.84 C 700-500 lapse rate: 8.10 C/km ThetaE index: 9.79 C Layer 1007.0- 925.0 mb Conv cond level (CCL): 685.66 mb = 3307.28 m = 10850.51 ft Mean mixing ratio: 6.87 g/kg Conv temperature: 35.27 C = 95.49 F Cap Strength: 5.79 C Lifted Index: -0.60 C Risk: Thunderstorms probable Lifted Index @300 mb: 5.33 C Lifted Index @700 mb: 3.86 C Showalter Index: 0.05 C Risk: Thunderstorms probable Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 34.10 C Cross Totals Index: 18.10 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 175.00 Risk: None Energy Index: -0.09 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.90 J/kg Max Up Vert Vel: 9.89 m/s Conv Inhibition (B-): 477.81 J/kg Cap Strength: 5.79 C Lift Cond Lev (LCL): 767.18 mb = 2374.87 m = 7791.47 ft Lev Free Conv (LFC): 582.18 mb = 4605.45 m = 15109.55 ft Equ Level (EL): 482.18 mb = 6040.14 m = 19816.49 ft B at Equ Level: 48.54 J/kg Max Parcel Lev (MPL): 422.18 mb = 7015.65 m = 23016.95 ft Wind level data Storm motion: 301 at 24 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 1011 18 130 1 -0.8 0.6 | 121 25 -21.4 12.9 1 1000 113 65 3 -2.7 -1.3 | 115 26 -23.3 10.9 2 945 610 330 10 5.0 -8.7 | 103 16 -15.6 3.6 3 925 792 325 21 12.0 -17.2 | 60 10 -8.5 -5.0 4 912 914 315 27 19.1 -19.1 | 12 7 -1.5 -6.9 5 850 1520 300 31 26.8 -15.5 | 298 7 6.3 -3.3 6 790 2134 280 33 32.5 -5.7 | 241 14 11.9 6.5 7 700 3139 260 35 34.5 6.1 | 217 23 13.9 18.3 8 630 3962 255 40 38.6 10.4 | 219 29 18.0 22.6 9 606 4267 255 38 36.7 9.8 | 216 27 16.1 22.0 10 518 5486 260 38 37.4 6.6 | 222 25 16.8 18.8 11 500 5770 275 37 36.9 -3.2 | 241 19 16.3 9.0 12 478 6096 270 37 37.0 -0.0 | 233 20 16.4 12.2 13 459 6401 285 28 27.0 -7.2 | 232 8 6.5 5.0 14 422 7010 280 22 21.7 -3.8 | 187 8 1.1 8.4 15 400 7410 265 22 21.9 1.9 | 185 14 1.3 14.1 16 341 8534 230 7 5.4 4.5 | 138 23 -15.2 16.7 17 300 9430 225 15 10.6 10.6 | 156 25 -10.0 22.8 18 299 9449 220 13 8.4 10.0 | 151 25 -12.2 22.2 19 286 9754 225 16 11.3 11.3 | 158 25 -9.3 23.5 20 261 10363 235 42 34.4 24.1 | 201 39 13.8 36.3 21 250 10650 250 41 38.5 14.0 | 214 32 17.9 26.2 22 238 10973 250 42 39.5 14.4 | 215 33 18.9 26.6 23 217 11582 245 42 38.1 17.7 | 210 35 17.5 30.0 24 200 12100 260 51 50.2 8.9 | 235 36 29.6 21.1 25 188 12497 260 53 52.2 9.2 | 236 38 31.6 21.4 26 171 13106 255 44 42.5 11.4 | 223 32 21.9 23.6 27 150 13920 255 64 61.8 16.6 | 235 50 41.2 28.8 28 148 14021 260 62 61.1 10.8 | 240 47 40.5 23.0 29 145 14130 255 70 67.6 18.1 | 237 56 47.0 30.3 30 143 14216 250 68 63.9 23.3 | 231 56 43.3 35.5 31 140 14326 255 70 67.6 18.1 | 237 56 47.0 30.3 32 134 14630 240 53 45.9 26.5 | 213 46 25.3 38.7 33 115 15545 260 34 33.5 5.9 | 215 22 12.9 18.1 34 104 16154 265 39 38.9 3.4 | 229 24 18.3 15.6 35 100 16420 250 34 31.9 11.6 | 205 26 11.4 23.8 36 95 16764 250 35 32.9 12.0 | 207 27 12.3 24.2 37 70 18610 250 13 12.2 4.4 | 153 19 -8.4 16.7 38 50 20700 115 5 -4.5 2.1 | 120 29 -25.1 14.3 39 30 23950 75 31 -29.9 -8.0 | 95 51 -50.5 4.2 Wind Parameters Mean winds (0-6000m): 270.7 at 31.9 knts Storm direction: 300.7 at 23.9 knts Shear (0-3000m) pos: 0.0 neg: 6.1 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 98.5 deg Storm rel helicity (0-3000m) pos: 0.6 neg: -163.2 tot: -162.6 m^2/s^2 ave: -54.2 10^-3 m/s^2 rel: -0.74 Storm rel vorticity (0-3000m) horiz: 11.1 stream: -8.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.34 Bulk Shear: 144.98 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 10 5 108 23| 0.0 9.8 9.8| 0.0 -54.7 -54.7 -109.5 -0.68| 12.9 -8.7 1000 327 12 99 14| 0.0 14.8 14.8| 0.6 -98.1 -97.5 -97.5 -0.71| 18.2-13.0 1500 315 18 88 8| 0.0 11.0 11.0| 0.6-109.4-108.8 -72.6 -0.76| 14.6-11.1 2000 306 21 85 3| 0.0 8.6 8.6| 0.6-127.5-126.9 -63.5 -0.77| 13.3-10.3 2500 297 24 203 1| 0.0 7.1 7.1| 0.6-144.2-143.6 -57.5 -0.76| 12.0 -9.1 3000 290 26 226 5| 0.0 6.1 6.1| 0.6-163.2-162.6 -54.2 -0.74| 11.1 -8.2 4000 279 29 224 11| 0.0 5.2 5.2| 4.1-169.6-165.4 -41.4 -0.67| 9.2 -6.2 5000 272 31 223 15| 0.3 4.1 4.4| 14.6-176.2-161.6 -32.3 -0.63| 7.8 -4.9 6000 271 32 224 16| 1.0 3.4 4.4| 61.4-184.5-123.1 -20.5 -0.47| 7.5 -3.6 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251007.23.gif