UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 8 OCT 25 Station: LTBM WMO ident: 17240 Latitude: 37.75 Longitude: 30.55 Elevation: 997.00 ------------------------------------------------------------------------------- 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 80 1 925 733 SFC 896 997 11.6 10.4 92 1.2 10.9 240 1 293.8 295.4 288.5 319.3 8.87 3 883 1120 12.2 7.2 71 5.0 9.3 232 3 295.7 297.0 287.6 316.7 7.23 4 875 1197 12.2 7.2 71 5.0 9.3 227 5 296.5 297.8 288.0 317.7 7.30 5 854 1401 10.6 4.6 66 6.0 7.3 213 9 296.9 298.0 287.1 315.1 6.23 6 850 1440 10.4 5.4 71 5.0 7.6 210 10 297.0 298.2 287.6 316.5 6.63 7 737 2615 2.2 -1.2 78 3.4 0.5 195 25 300.5 301.3 287.0 314.7 4.75 8 700 3030 -0.9 -5.9 69 5.0 -3.0 190 31 301.5 302.1 286.1 312.2 3.51 9 697 3064 -0.9 -5.9 69 5.0 -3.0 190 31 301.9 302.5 286.3 312.7 3.53 10 643 3703 -5.5 -16.5 42 11.0 -9.0 194 38 303.7 304.0 284.9 308.9 1.64 11 632 3839 -5.3 -16.3 42 11.0 -8.9 195 40 305.4 305.7 285.6 310.8 1.69 12 561 4765 -10.9 -40.9 6 30.0 -15.7 200 50 309.4 309.4 285.4 310.1 0.19 13 545 4987 -12.9 -40.9 8 28.0 -17.2 201 53 309.6 309.6 285.4 310.3 0.20 14 514 5432 -15.7 -33.7 20 18.0 -18.9 204 58 311.4 311.5 286.4 312.9 0.43 15 509 5506 -16.1 -36.1 16 20.0 -19.4 204 58 311.8 311.9 286.4 313.0 0.34 16 500 5640 -16.9 -43.9 8 27.0 -20.4 205 60 312.4 312.5 286.4 313.0 0.16 17 431 6746 -22.1 -51.1 5 29.0 -25.0 208 75 319.4 319.4 288.6 319.7 0.08 18 400 7290 -27.1 -47.1 13 20.0 -29.0 210 83 319.8 319.8 288.8 320.3 0.14 19 385 7564 -28.1 -51.1 9 23.0 -30.0 211 86 322.0 322.0 289.5 322.3 0.09 20 365 7947 -27.7 -62.7 2 35.0 -30.0 212 91 327.5 327.5 291.0 327.5 0.02 21 321 8862 -30.9 214 101 335.3 22 300 9340 -32.1 215 107 340.1 23 250 10620 -35.9 220 98 352.7 24 233 11109 -39.3 218 98 354.7 25 200 12150 -44.9 215 98 361.7 26 189 12523 -48.3 217 104 362.1 27 175 13024 -50.8 220 111 366.0 28 150 14010 -55.9 220 97 373.8 29 124 15202 -62.3 210 71 383.0 30 113 15775 -62.5 214 66 393.0 31 100 16520 -67.1 220 59 398.1 32 97 16707 -65.5 221 56 404.7 33 92 17035 -62.1 222 50 417.6 34 73 18465 -66.1 229 25 437.7 35 70 18720 -67.9 230 21 439.1 36 67 18985 -66.3 216 19 448.1 37 61 19559 -62.7 185 16 468.3 38 53 20428 -61.7 139 11 489.9 39 50 20790 -61.1 120 9 499.5 40 30 23980 -59.7 300 18 581.9 41 29 24192 -60.1 296 18 586.5 42 20 26550 -53.9 255 23 671.2 43 17 27599 -54.3 257 23 701.8 44 11 30425 -50.5 264 25 808.7 45 10 31050 -49.5 265 25 834.8 46 6.6 33801 -44.7 960.3 47 6.1 34329 -44.3 983.9 TRP 124 15202 -62.3 210 71 383.0 WND 175 13024 -50.8 220 111 366.0 Sounding variables and indices 1000-500 mb thick: 5560.00 m Freezing level: 710.74 mb = 2909.41 m = 9545.18 ft Wetbulb zero: 731.34 mb = 2676.84 m = 8782.16 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 48.01 % Est. max temperature: 17.75 C = 63.95 F Sfc-Lift cond lev (LCL): 880.06 mb = 1148.13 m = 3766.79 ft T: 12.20 C 700-500 lapse rate: 6.13 C/km ThetaE index: 4.23 C Layer 737.0- 697.0 mb Conv cond level (CCL): 756.64 mb = 2398.03 m = 7867.47 ft Mean mixing ratio: 6.62 g/kg Conv temperature: 17.42 C = 63.36 F Cap Strength: 1.73 C Lifted Index: 1.54 C Risk: Showers probable Lifted Index @300 mb: 17.16 C Lifted Index @700 mb: 0.19 C Showalter Index: 1.48 C Risk: Showers probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 22.30 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 156.80 Risk: None Energy Index: -0.63 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.91 J/kg Max Up Vert Vel: 5.64 m/s Conv Inhibition (B-): 55.99 J/kg Cap Strength: 1.73 C Lift Cond Lev (LCL): 787.49 mb = 2068.96 m = 6787.86 ft Lev Free Conv (LFC): 662.49 mb = 3466.56 m = 11373.09 ft Equ Level (EL): 632.49 mb = 3832.59 m = 12573.97 ft B at Equ Level: 13.66 J/kg Max Parcel Lev (MPL): 592.49 mb = 4340.71 m = 14240.99 ft Wind level data Storm motion: 232 at 32 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 ---------------------------------------------------------- 0 896 997 240 1 0.9 0.5 | 52 31 -24.1 -18.8 1 850 1440 210 10 5.0 8.7 | 62 23 -19.9 -10.6 2 700 3030 190 31 5.4 30.5 | 120 23 -19.6 11.3 3 500 5640 205 60 25.4 54.4 | 181 35 0.4 35.1 4 400 7290 210 83 41.5 71.9 | 197 55 16.6 52.6 5 300 9340 215 107 61.4 87.6 | 208 77 36.4 68.4 6 250 10620 220 98 63.0 75.1 | 214 68 38.1 55.8 7 200 12150 215 98 56.2 80.3 | 207 69 31.3 61.0 8 175 13024 220 111 71.3 85.0 | 215 80 46.4 65.8 9 150 14010 220 97 62.4 74.3 | 214 67 37.4 55.0 10 124 15202 210 71 35.5 61.5 | 194 44 10.6 42.2 11 100 16520 220 59 37.9 45.2 | 207 29 13.0 25.9 12 70 18720 230 21 16.1 13.5 | 57 11 -8.8 -5.8 13 50 20790 120 9 -7.8 4.5 | 66 36 -32.7 -14.8 14 30 23980 300 18 15.6 -9.0 | 18 30 -9.3 -28.3 15 20 26550 255 23 22.2 6.0 | 12 14 -2.7 -13.3 16 10 31050 265 25 24.9 2.2 | 0 17 -0.0 -17.1 Wind Parameters Mean winds (0-6000m): 202.3 at 42.0 knts Storm direction: 232.3 at 31.5 knts Shear (0-3000m) pos: 2.0 neg: 5.1 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 94.7 deg Storm rel helicity (0-3000m) pos: 196.3 neg: 0.0 tot: 196.3 m^2/s^2 ave: 65.4 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 6.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.09 Bulk Shear: 172.38 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 ------------------------------------------------------------------------------- 500 212 6 57 26| 0.0 10.2 10.2| 30.8 0.0 30.8 61.6 0.47| 10.6 4.9 1000 207 10 63 23| 0.0 8.5 8.5| 60.8 0.0 60.8 60.8 0.61| 8.8 5.4 1500 202 14 71 21| 0.0 8.0 8.0| 93.7 0.0 93.7 62.5 0.72| 8.2 6.0 2000 196 17 82 20| 0.0 7.7 7.7|125.9 0.0 125.9 63.0 0.75| 8.0 6.0 2500 195 20 91 20| 1.2 6.2 7.3|160.3 0.0 160.3 64.1 0.79| 7.6 6.0 3000 195 23 100 19| 2.0 5.1 7.1|196.3 0.0 196.3 65.4 0.81| 7.4 6.0 4000 197 30 119 19| 3.0 3.8 6.9|274.7 0.0 274.7 68.7 0.83| 7.1 5.9 5000 200 36 138 19| 3.8 3.1 6.8|361.0 0.0 361.0 72.2 0.81| 7.0 5.7 6000 202 42 155 22| 4.4 2.6 6.9|453.4 0.0 453.4 75.6 0.76| 7.1 5.4 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251008.00.gif