From 22bf3e64ab72d7572de63bbbbf33bbfb94f27a52 Mon Sep 17 00:00:00 2001
From: Tanner Collin <git@tannercollin.com>
Date: Sat, 14 Feb 2026 16:29:43 -0700
Subject: [PATCH] fix: Improve VIS VRB remark parsing for mixed fractions

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>
---
 metar.html | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/metar.html b/metar.html
index c6a6a4e..0e7c2b7 100644
--- a/metar.html
+++ b/metar.html
@@ -317,8 +317,19 @@
                 {
                     match: p => p[0] === 'VIS' && p.length > 2 && p[1] === 'VRB' && p[2].includes('-'),
                     decode: p => {
-                        const [min, max] = p[2].split('-');
-                        return { consumed: 3, text: `  - VIS VRB ${p[2]}: Visibility variable between ${min} and ${max} statute miles` };
+                        const [min, max_part1] = p[2].split('-');
+                        let max = max_part1;
+                        let consumed = 3;
+                        let raw_range = p[2];
+
+                        // Handle fractional part for max visibility, e.g. VIS VRB 3/4-2 1/2
+                        if (p.length > 3 && /^\d+\/\d+$/.test(p[3])) {
+                            max += ` ${p[3]}`;
+                            consumed++;
+                            raw_range += ` ${p[3]}`;
+                        }
+                        
+                        return { consumed: consumed, text: `  - VIS VRB ${raw_range}: Visibility variable between ${min} and ${max} statute miles` };
                     }
                 },
                 // VIS