UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for OIII... Searching the city database file for: OIII ... Date:1200Z 27 APR 25 Station: OIII WMO ident: 40754 Latitude: 35.68 Longitude: 51.35 Elevation: 1191.00 ------------------------------------------------------------------------------- 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 32 1 925 743 SFC 880 1191 31.8 -2.2 11 34.0 13.1 240 8 316.3 317.0 291.2 328.2 3.69 3 850 1500 27.6 -0.4 16 28.0 12.0 270 3 315.1 315.9 291.5 329.0 4.37 4 700 3167 11.4 -3.6 35 15.0 3.8 265 12 315.1 315.9 291.3 328.5 4.19 5 589 4572 -1.7 -7.7 64 6.0 -4.4 250 30 315.8 316.5 291.0 327.5 3.64 6 584 4640 -2.3 -8.3 63 6.0 -4.9 249 31 315.9 316.6 290.9 327.2 3.50 7 550 5112 -6.1 -10.6 70 4.5 -7.9 243 38 316.8 317.4 290.9 326.9 3.10 8 500 5850 -11.1 -15.8 68 4.7 -12.7 235 48 319.5 319.9 290.9 327.0 2.23 9 425 7082 -20.1 -31.1 37 11.0 -22.2 235 44 323.2 323.3 290.5 325.6 0.67 10 400 7530 -23.9 -32.9 43 9.0 -25.5 235 42 323.9 324.0 290.6 326.1 0.60 11 399 7548 -24.1 -33.1 43 9.0 -25.6 235 42 323.9 324.0 290.6 326.0 0.59 12 366 8171 -28.5 -46.5 16 18.0 -30.3 230 44 326.1 326.2 290.8 326.7 0.16 13 340 8693 -33.1 -44.1 32 11.0 -34.1 227 47 326.8 326.9 291.0 327.7 0.22 14 327 8966 -34.9 -46.9 28 12.0 -35.9 224 48 328.0 328.0 291.3 328.7 0.17 15 300 9560 -40.1 -50.1 34 10.0 -40.7 220 50 328.8 328.9 291.5 329.4 0.13 16 250 10770 -51.1 -59.1 38 8.0 -51.3 230 56 330.1 330.1 291.8 330.3 0.05 17 210 11878 -60.3 -66.3 45 6.0 -60.4 226 56 332.6 332.6 292.4 332.7 0.02 18 201 12149 -61.9 -68.9 39 7.0 -62.0 225 56 334.3 334.3 292.9 334.3 0.02 19 200 12180 -61.7 -68.7 39 7.0 -61.8 225 56 335.1 335.1 293.1 335.1 0.02 20 188 12567 -59.7 -66.7 40 7.0 -59.8 225 59 344.3 344.3 295.4 344.4 0.03 21 184 12701 -60.3 -67.3 39 7.0 -60.4 225 61 345.4 345.4 295.6 345.5 0.02 22 161 13542 -57.7 -66.3 32 8.6 -57.9 225 68 363.2 363.2 299.4 363.4 0.03 23 156 13742 -57.1 -66.1 31 9.0 -57.3 227 64 367.6 367.6 300.1 367.7 0.03 24 150 13990 -58.1 -69.1 23 11.0 -58.3 230 58 370.0 370.0 300.6 370.1 0.02 25 144 14245 -58.7 -69.7 23 11.0 -58.9 231 58 373.3 373.3 301.1 373.4 0.02 26 135 14649 -58.1 -71.1 17 13.0 -58.3 231 57 381.3 381.3 302.5 381.4 0.02 27 113 15751 -62.9 -76.9 13 14.0 -63.1 233 56 392.2 392.2 304.1 392.3 0.01 28 112 15805 -62.5 -77.5 12 15.0 -62.7 234 56 394.0 394.0 304.4 394.0 0.01 29 105 16201 -63.1 -79.1 10 16.0 -63.3 234 55 400.2 400.2 305.2 400.2 0.01 30 103 16319 -62.7 -78.7 10 16.0 -62.9 235 55 403.2 403.2 305.6 403.2 0.01 31 102 16379 -63.3 -79.3 10 16.0 -63.5 235 55 403.1 403.1 305.6 403.2 0.01 32 100 16500 -63.5 -79.5 10 16.0 -63.7 235 55 405.0 405.0 305.9 405.1 0.01 33 92 17008 -67.5 -83.5 9 16.0 -67.6 235 53 406.9 406.9 306.1 406.9 0.00 34 87 17344 -68.1 -85.1 7 17.0 -68.2 227 47 412.2 412.2 306.8 412.3 0.00 35 81 17780 -62.3 -81.3 6 19.0 -62.6 216 39 432.7 432.7 309.1 432.7 0.01 36 70 18670 -67.9 -85.9 6 18.0 -68.1 195 24 439.1 439.1 309.8 439.1 0.00 37 66 19023 -69.3 -87.3 6 18.0 -69.4 191 23 443.5 443.5 310.2 443.5 0.00 38 58 19809 -62.1 -84.1 4 22.0 -62.5 181 20 476.5 476.5 313.2 476.5 0.01 39 55 20136 -64.5 -86.5 3 22.0 -64.8 177 19 478.3 478.3 313.3 478.3 0.00 40 50 20720 -63.7 -86.7 3 23.0 -64.1 170 17 493.4 493.4 314.5 493.4 0.00 41 35 22950 -57.5 -83.5 2 26.0 -58.6 271 7 562.5 562.5 318.8 562.6 0.01 42 34 23134 -56.5 -81.5 3 25.0 -57.7 279 6 569.8 569.8 319.2 569.9 0.02 43 30 23930 -57.1 -82.1 3 25.0 -58.3 315 2 589.0 589.0 320.1 589.1 0.02 44 29 24145 -56.5 -81.5 3 25.0 -57.9 596.4 596.4 320.5 596.5 0.02 45 28 24367 -57.7 -82.7 3 25.0 -58.9 599.0 599.1 320.6 599.1 0.02 46 25 25087 -54.7 -80.7 3 26.0 -56.6 627.4 627.4 321.8 627.6 0.02 47 24 25349 -54.1 636.5 TRP 92 17008 -67.5 -83.5 9 16.0 -67.6 235 53 406.9 406.9 306.1 406.9 0.00 WND 161 13542 -57.7 -66.3 32 8.6 -57.9 225 68 363.2 363.2 299.4 363.4 0.03 Sounding variables and indices 1000-500 mb thick: 5818.00 m Freezing level: 603.40 mb = 4389.64 m = 14401.53 ft Wetbulb zero: 648.62 mb = 3787.31 m = 12425.41 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 44.31 % Est. max temperature: 30.72 C = 87.29 F Sfc-Lift cond lev (LCL): 534.15 mb = 5338.31 m = 17513.92 ft T: -7.63 C 700-500 lapse rate: 8.39 C/km ThetaE index: 2.06 C Layer 700.0- 500.0 mb Conv cond level (CCL): 542.77 mb = 5214.30 m = 17107.09 ft Mean mixing ratio: 4.24 g/kg Conv temperature: 32.68 C = 90.83 F Cap Strength: 1.15 C Lifted Index: 0.72 C Risk: Showers probable Lifted Index @300 mb: 0.95 C Lifted Index @700 mb: -0.16 C Showalter Index: 0.60 C Risk: Thunderstorms probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 38.70 C Cross Totals Index: 10.70 C K Index: 23.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 62.00 Risk: None Energy Index: -0.42 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.72 J/kg Max Up Vert Vel: 4.63 m/s Conv Inhibition (B-): 72.84 J/kg Cap Strength: 1.15 C Lift Cond Lev (LCL): 556.86 mb = 5014.22 m = 16450.66 ft Lev Free Conv (LFC): 401.86 mb = 7495.64 m = 24591.70 ft Equ Level (EL): 391.86 mb = 7678.47 m = 25191.54 ft B at Equ Level: 10.68 J/kg Max Parcel Lev (MPL): 351.86 mb = 8450.40 m = 27724.08 ft Wind level data Storm motion: 270 at 20 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 ---------------------------------------------------------- 0 880 1191 240 8 6.9 4.0 | 108 14 -13.0 4.1 1 850 1500 270 3 3.0 -0.0 | 90 17 -17.0 0.1 2 700 3167 265 12 12.0 1.0 | 98 8 -8.0 1.2 3 500 5850 235 48 39.3 27.5 | 215 34 19.4 27.7 4 400 7530 235 42 34.4 24.1 | 211 28 14.4 24.2 5 300 9560 220 50 32.1 38.3 | 198 40 12.2 38.4 6 250 10770 230 56 42.9 36.0 | 212 43 22.9 36.1 7 200 12180 225 56 39.6 39.6 | 206 44 19.6 39.7 8 161 13542 225 68 48.1 48.1 | 210 56 28.1 48.2 9 150 13990 230 58 44.4 37.3 | 213 45 24.5 37.4 10 100 16500 235 55 45.1 31.5 | 218 40 25.1 31.7 11 92 17008 235 53 43.4 30.4 | 218 38 23.5 30.5 12 70 18670 195 24 6.2 23.2 | 149 27 -13.7 23.3 13 50 20720 170 17 -3.0 16.7 | 126 28 -22.9 16.9 14 30 23930 315 2 1.4 -1.4 | 86 19 -18.5 -1.3 Wind Parameters Mean winds (0-6000m): 240.4 at 26.6 knts Storm direction: 270.4 at 20.0 knts Shear (0-3000m) pos: 0.8 neg: 3.8 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 104.9 deg Storm rel helicity (0-3000m) pos: 18.1 neg: -16.8 tot: 1.2 m^2/s^2 ave: 0.4 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.17 Bulk Shear: 64.11 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 ------------------------------------------------------------------------------- 500 254 5 95 15| 5.0 0.0 5.0| 0.1 -16.8 -16.7 -33.4 -0.66| 6.7 -4.4 1000 262 5 93 15| 2.5 1.4 3.9| 1.1 -16.8 -15.7 -15.7 -0.44| 4.7 -2.1 1500 264 6 93 14| 1.7 1.9 3.5| 2.5 -16.8 -14.3 -9.5 -0.30| 4.1 -1.2 2000 264 7 94 13| 1.3 2.1 3.4| 4.6 -16.8 -12.3 -6.1 -0.19| 3.8 -0.7 2500 263 9 96 11| 1.0 3.1 4.1| 11.3 -16.8 -5.5 -2.2 0.11| 4.5 0.5 3000 260 11 103 9| 0.8 3.8 4.6| 18.1 -16.8 1.2 0.4 0.25| 4.9 1.2 4000 251 17 143 7| 0.6 4.6 5.2| 22.4 -18.5 3.9 1.0 0.19| 5.6 1.1 5000 243 23 181 10| 0.5 4.5 5.0| 22.4 -37.4 -15.0 -3.0 0.11| 5.7 0.6 6000 240 27 193 14| 0.4 3.4 3.8| 22.4 -48.3 -25.9 -4.3 0.08| 5.0 0.4 Wrote GIF file: /home/apache/climate/data/raob//OIII/skewt/OIII.skewt.20250427.12.gif