diff --git a/src/pages/StormIntelPage.jsx b/src/pages/StormIntelPage.jsx
index 323ffb6..bcf9608 100644
--- a/src/pages/StormIntelPage.jsx
+++ b/src/pages/StormIntelPage.jsx
@@ -672,7 +672,7 @@ const StormCard = ({ storm, isSelected, isPinned, onSelect, onTogglePin, distanc
                             <div className="flex items-center gap-1 mt-1.5">
                                 <Home size={10} className="text-zinc-400" />
                                 <span className="text-[10px] text-zinc-400">
-                                    ~{storm.estimatedHomes.toLocaleString()} homes affected
+                                    ~{storm.estimatedHomes.toLocaleString('en-US')} homes affected
                                 </span>
                             </div>
                         )}
@@ -871,14 +871,14 @@ const StormDetailDrawer = ({ storm, open, onClose, onFlyTo, onAssignZone, canMan
                                     {storm.areaSqMi > 0 && (
                                         <div className="rounded-xl bg-zinc-50 dark:bg-zinc-800/60 border border-zinc-100 dark:border-white/[0.06] p-3">
                                             <p className="text-[10px] font-bold uppercase tracking-wider text-zinc-400 mb-1">Warning Area</p>
-                                            <p className="text-xl font-black text-zinc-900 dark:text-white">{storm.areaSqMi.toLocaleString()}</p>
+                                            <p className="text-xl font-black text-zinc-900 dark:text-white">{storm.areaSqMi.toLocaleString('en-US')}</p>
                                             <p className="text-[10px] text-zinc-400">sq miles covered</p>
                                         </div>
                                     )}
                                     {storm.estimatedHomes > 0 && (
                                         <div className="rounded-xl bg-zinc-50 dark:bg-zinc-800/60 border border-zinc-100 dark:border-white/[0.06] p-3">
                                             <p className="text-[10px] font-bold uppercase tracking-wider text-zinc-400 mb-1">Est. Homes Affected</p>
-                                            <p className="text-xl font-black text-zinc-900 dark:text-white">{storm.estimatedHomes.toLocaleString()}</p>
+                                            <p className="text-xl font-black text-zinc-900 dark:text-white">{storm.estimatedHomes.toLocaleString('en-US')}</p>
                                             <p className="text-[10px] text-zinc-400">
                                                 ~{storm.damagePct}% damage probability
                                             </p>
@@ -1129,7 +1129,7 @@ const AttributionView = ({ events, sessionLeads }) => {
                                         </div>
                                         <div className="text-right shrink-0">
                                             <p className="text-lg font-black text-zinc-900 dark:text-white">
-                                                {item.revenue > 0 ? `$${item.revenue.toLocaleString()}` : '—'}
+                                                {item.revenue > 0 ? `$${item.revenue.toLocaleString('en-US')}` : '—'}
                                             </p>
                                             <p className="text-[10px] text-zinc-400">revenue</p>
                                         </div>
@@ -1181,7 +1181,7 @@ const AttributionView = ({ events, sessionLeads }) => {
                     <div>
                         <p className="text-[12px] font-black uppercase tracking-wider text-emerald-700 dark:text-emerald-400 mb-0.5">Top Performing Zone</p>
                         <p className="text-[13px] text-zinc-700 dark:text-zinc-300 font-semibold">
-                            {perStorm[0].storm.areaName} generated ${perStorm[0].revenue.toLocaleString()} from {perStorm[0].closedCount} closed deal{perStorm[0].closedCount !== 1 ? 's' : ''} ({perStorm[0].conversionRate}% conversion).
+                            {perStorm[0].storm.areaName} generated ${perStorm[0].revenue.toLocaleString('en-US')} from {perStorm[0].closedCount} closed deal{perStorm[0].closedCount !== 1 ? 's' : ''} ({perStorm[0].conversionRate}% conversion).
                             {perStorm[0].pipeline > 0 && ` $${(perStorm[0].pipeline / 1000).toFixed(0)}k more in pipeline.`}
                         </p>
                     </div>
@@ -1482,7 +1482,7 @@ const StormIntelPage = () => {
                         <div className="text-right" title={pinnedHomes !== null ? 'Sum of est. damaged homes across pinned events — zones may overlap' : 'Pin events to see estimated homes affected'}>
                             <p className={`text-xl font-black ${pinnedHomes !== null ? 'text-amber-500' : 'text-zinc-400'}`}>
                                 {pinnedHomes !== null
-                                    ? (pinnedHomes >= 1000 ? `${(pinnedHomes / 1000).toFixed(1)}k` : pinnedHomes.toLocaleString())
+                                    ? (pinnedHomes >= 1000 ? `${(pinnedHomes / 1000).toFixed(1)}k` : pinnedHomes.toLocaleString('en-US'))
                                     : '—'
                                 }
                             </p>