UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 12 OCT 25 Station: X4172 WMO ident: 34172 Latitude: 51.57 Longitude: 46.03 ------------------------------------------------------------------------------- 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 54 SFC 987 164 14.4 3.4 48 11.0 8.8 230 9 288.6 289.5 282.5 302.8 4.95 2 947 511 10.0 2.0 57 8.0 6.1 278 5 287.6 288.4 281.7 300.9 4.66 3 925 706 9.0 1.0 57 8.0 5.2 305 3 288.5 289.3 281.8 301.3 4.44 4 850 1400 4.8 0.1 72 4.7 2.6 35 7 291.2 292.0 283.1 304.3 4.53 5 844 1458 4.4 -0.1 73 4.5 2.3 30 8 291.3 292.1 283.1 304.4 4.50 6 700 2952 -6.3 -8.9 82 2.6 -7.2 265 21 295.5 296.0 283.0 303.9 2.78 7 667 3329 -7.9 -10.1 84 2.2 -8.7 265 23 297.8 298.3 283.8 305.9 2.66 8 657 3446 -8.5 -11.1 81 2.6 -9.4 265 23 298.4 298.9 283.8 306.1 2.49 9 560 4664 -18.1 -21.6 74 3.5 -18.9 265 29 301.1 301.3 283.4 304.9 1.21 10 532 5048 -17.5 -26.5 45 9.0 -19.4 265 31 306.2 306.4 284.9 309.0 0.82 11 521 5204 -18.7 -30.7 34 12.0 -20.8 265 32 306.6 306.7 284.8 308.5 0.57 12 500 5510 -21.1 -33.1 33 12.0 -23.0 265 33 307.3 307.4 284.9 308.9 0.47 13 447 6329 -25.7 -35.7 39 10.0 -27.1 255 35 311.5 311.6 286.4 313.0 0.41 14 400 7120 -33.5 -41.5 44 8.0 -34.2 245 36 311.4 311.5 286.2 312.4 0.25 15 390 7297 -35.1 -42.1 49 7.0 -35.7 246 37 311.6 311.7 286.2 312.5 0.24 16 369 7682 -36.9 -42.9 54 6.0 -37.4 248 39 314.2 314.2 287.1 315.1 0.23 17 309 8885 -47.1 -53.1 50 6.0 -47.3 254 45 316.3 316.3 287.6 316.6 0.09 18 300 9080 -48.1 -54.1 50 6.0 -48.3 255 46 317.6 317.6 288.1 317.9 0.08 19 279 9556 -49.3 -55.3 49 6.0 -49.5 249 41 322.5 322.5 289.6 322.8 0.08 20 268 9819 -49.5 -55.5 49 6.0 -49.7 246 38 325.9 325.9 290.6 326.2 0.08 21 250 10270 -52.7 -58.7 48 6.0 -52.8 240 33 327.7 327.7 291.1 327.9 0.06 22 247 10348 -53.1 -60.1 42 7.0 -53.2 240 31 328.3 328.3 291.3 328.4 0.05 23 231 10781 -52.1 -59.1 43 7.0 -52.3 251 30 336.1 336.1 293.4 336.4 0.06 24 206 11520 -53.7 -62.7 32 9.0 -53.9 270 29 344.8 344.8 295.5 345.0 0.04 25 200 11710 -53.1 -63.1 29 10.0 -53.4 275 29 348.7 348.7 296.4 348.9 0.04 26 168 12837 -50.9 -63.9 20 13.0 -51.3 269 27 370.2 370.2 300.7 370.4 0.04 27 150 13570 -52.9 -67.9 15 15.0 -53.3 265 25 378.9 378.9 302.1 379.1 0.03 28 100 16160 -56.5 -75.5 7 19.0 -56.9 265 19 418.6 418.6 307.6 418.6 0.01 29 98 16289 -57.3 -76.3 7 19.0 -57.7 265 19 419.4 419.4 307.7 419.5 0.01 30 70 18420 -58.1 -78.1 6 20.0 -58.6 260 23 460.1 460.1 311.8 460.2 0.01 31 50 20530 -58.5 -80.5 4 22.0 -59.2 265 23 505.6 505.6 315.4 505.7 0.01 32 44 21325 -61.3 -83.3 4 22.0 -61.9 264 21 517.6 517.6 316.1 517.7 0.01 33 37 22401 -59.5 -81.5 4 22.0 -60.3 262 19 548.5 548.5 318.0 548.6 0.01 34 32 23301 -62.1 -84.1 4 22.0 -62.7 261 18 564.8 564.8 318.9 564.9 0.01 35 30 23700 -61.1 -83.1 4 22.0 -61.9 260 17 578.1 578.1 319.6 578.2 0.01 36 20 26230 -59.1 -82.1 4 23.0 -60.5 260 21 655.3 655.3 322.9 655.4 0.02 37 16 27634 -57.7 -80.7 4 23.0 -59.7 703.0 703.0 324.6 703.3 0.04 38 13 28963 -51.5 -75.5 4 24.0 -55.5 767.5 767.6 326.4 768.5 0.10 39 12 29482 -52.1 -76.1 4 24.0 -56.1 783.1 783.2 326.8 784.1 0.10 TRP 247 10348 -53.1 -60.1 42 7.0 -53.2 240 31 328.3 328.3 291.3 328.4 0.05 WND Sounding variables and indices 1000-500 mb thick: 5456.00 m Freezing level: 784.79 mb = 2072.21 m = 6798.49 ft Wetbulb zero: 809.25 mb = 1793.60 m = 5884.44 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 68.89 % Est. max temperature: 17.30 C = 63.14 F Sfc-Lift cond lev (LCL): 836.08 mb = 1533.08 m = 5029.74 ft T: 3.86 C 700-500 lapse rate: 5.79 C/km ThetaE index: 1.87 C Layer 947.0- 925.0 mb Conv cond level (CCL): 767.08 mb = 2221.07 m = 7286.88 ft Mean mixing ratio: 4.62 g/kg Conv temperature: 19.27 C = 66.69 F Cap Strength: 6.56 C Lifted Index: 6.65 C Risk: None Lifted Index @300 mb: 11.35 C Lifted Index @700 mb: 2.15 C Showalter Index: 4.90 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 21.20 C K Index: 23.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 48.20 Risk: None Energy Index: 0.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.82 J/kg Max Up Vert Vel: 3.95 m/s Conv Inhibition (B-): 55762.88 J/kg Cap Strength: 6.65 C Lift Cond Lev (LCL): 825.00 mb = 1639.64 m = 5379.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 15 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 ---------------------------------------------------------- 0 987 164 230 9 6.9 5.8 | 153 14 -6.6 12.7 1 925 706 305 3 2.5 -1.7 | 115 12 -11.0 5.2 2 850 1400 35 7 -4.0 -5.7 | 94 18 -17.5 1.2 3 700 2952 265 21 20.9 1.8 | 220 11 7.4 8.8 4 500 5510 265 33 32.9 2.9 | 243 22 19.4 9.8 5 400 7120 245 36 32.6 15.2 | 221 29 19.1 22.1 6 300 9080 255 46 44.4 11.9 | 239 36 30.9 18.8 7 250 10270 240 33 28.6 16.5 | 213 28 15.1 23.4 8 247 10348 240 31 26.8 15.5 | 211 26 13.4 22.4 9 200 11710 275 29 28.9 -2.5 | 254 16 15.4 4.4 10 150 13570 265 25 24.9 2.2 | 231 15 11.4 9.1 11 100 16160 265 19 18.9 1.7 | 212 10 5.4 8.6 12 70 18420 260 23 22.7 4.0 | 220 14 9.2 10.9 13 50 20530 265 23 22.9 2.0 | 227 13 9.4 8.9 14 30 23700 260 17 16.7 3.0 | 198 10 3.2 9.9 15 20 26230 260 21 20.7 3.6 | 214 13 7.2 10.6 Wind Parameters Mean winds (0-6000m): 267.2 at 20.2 knts Storm direction: 297.2 at 15.2 knts Shear (0-3000m) pos: 3.0 neg: 4.5 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 71.0 deg Storm rel helicity (0-3000m) pos: 2.0 neg: -91.0 tot: -89.0 m^2/s^2 ave: -29.7 10^-3 m/s^2 rel: -0.65 Storm rel vorticity (0-3000m) horiz: 9.3 stream: -6.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.27 Bulk Shear: 28.53 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 ------------------------------------------------------------------------------- 500 244 6 141 12| 8.7 0.0 8.7| 0.0 -20.8 -20.8 -41.6 -0.75| 9.7 -7.2 1000 281 5 125 10| 7.0 0.0 7.0| 0.0 -35.6 -35.6 -35.6 -0.78| 7.6 -6.0 1500 341 6 97 12| 6.0 0.0 6.0| 0.0 -52.4 -52.4 -34.9 -0.71| 7.5 -5.3 2000 340 7 90 11| 4.5 2.4 6.9| 0.0 -73.3 -73.3 -36.6 -0.69| 8.1 -5.6 2500 311 9 98 7| 3.6 4.1 7.6| 0.0 -82.4 -82.4 -33.0 -0.71| 9.1 -6.4 3000 282 11 149 5| 3.0 4.5 7.5| 2.0 -91.0 -89.0 -29.7 -0.65| 9.3 -6.0 4000 273 14 187 6| 2.2 4.0 6.2| 12.0 -91.0 -78.9 -19.7 -0.55| 7.5 -4.2 5000 269 17 209 8| 1.8 3.6 5.4| 22.0 -91.0 -68.9 -13.8 -0.48| 6.5 -3.1 6000 267 20 220 10| 1.5 3.4 4.9| 25.1-114.6 -89.5 -14.9 -0.48| 6.0 -2.9 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251012.12.gif