Thunderstorm approach
NORTH HUB · 47 NM · CLOSING
WATCH · MRMS OBSERVED PRECURSOR
NEW
Know the moment weather
crosses your thresholds.
Metwatch continuously monitors conditions, applies your operating thresholds, keeps teams aligned across shifts, and verifies what happened.
Explainable detection
Human authority
Auditable outcomes
Interactive demonstration using captured IEM NEXRAD radar frames over the southeastern United States, with three synthetic operational sites and one synthetic alert at North Hub.
MAP LAYERS
Operational picture
NEEDS ACTION
1
NHUB
PENDING
North Hub · Synthetic priority operations site
PUBLIC RADAR CONTEXTIEM NEXRAD · CAPTURED
RULE EVENT47 NM · APPROACHING
SYNTHETIC ACTIVE ALERT
Thunderstorm approaching within 50 NM
FLY TOALERT QUEUE
Composite reflectivity context
BUILT FOR WEATHER-SENSITIVE OPERATIONS
AVIATION
EMERGENCY MANAGEMENT
INFRASTRUCTURE
LOGISTICS
DEFENSE
01 / THE OPERATIONAL THREAD
An alert is only useful if someone works it.
Metwatch tracks every alert from first detection to a reviewed outcome, with a name on every step.
IEM NEXRAD ARCHIVE
RULE EVALUATION
Thunderstorm approaching within 50 NM
47 NMDISTANCE
≥40 dBZRULE FLOOR
CLOSINGTREND
Explainable evidence moves one item into the action queue.
Official product review
EAST YARD · ACTIVE ADVISORY
INFO · EXTERNAL PRODUCT
REVIEW
SELECTED ALERT
Thunderstorm approaching within 50 NM
- BASIS
- MRMS precursor
- OWNER
- Unassigned
- OPENED
- 21:30Z
✓
Moved to handledA. Rivera now owns this alert while the weather remains active.
Wind thresholdSOUTH DEPOT · 42 KTACKNOWLEDGED · A. RIVERA
ACKED
Lightning clearFIELD SITE 04ALL-CLEAR · 17:42Z
CLOSED
Advisory monitoredEAST CORRIDORSNOOZED UNTIL 18:20Z
OWNED
PASS-DOWN BRIEF · EDITED BY THE WATCH
Regional Operations — 18Z Watch
North Hub convective line remains the controlling concern. The approach alert is unowned at 47 NM and closing.
- Recheck North Hub on the next radar sample.
- South Depot wind alert is acknowledged by A. Rivera.
- No declared feed continuity gaps.
Thunderstorm approachNORTH HUB · NEEDS ACTION
UNOWNEDWind thresholdSOUTH DEPOT · ACKNOWLEDGED
A. RIVERAACTIVE PRODUCTS1valid through 19:30Z
FEED HEALTHALL FRESHno continuity gaps
EPISODE / NORTH HUB
Thunderstorm approach
Observed-precursor alert · original decision basis preserved
17:08ZAnticipatory alert opened
17:19ZWatch acknowledged
18:17ZQualifying condition observed
18:32ZEpisode closed
VERIFICATION OUTCOME
MET DLT
OPERATIONAL LEAD+69 MIN
REQUIRED DLT60 MIN
The qualifying condition was observed with positive operational lead.
DECISION BASISPRESERVED
OBSERVATIONMRMS EVIDENCE
HUMAN REVIEWCOMPLETE
No retrospective override · synthetic worked example
03 / DESIGN PRINCIPLES
How we keep people in charge.
Every alert shows its work.
Every alert begins with deterministic evidence and a reviewable threshold.
The AI never decides.
AI can help narrate facts and accelerate drafting, but it never decides whether an alert exists.
People make the call.
Issuance, coordination, escalation, and retrospective judgment remain with the team.
Run a better operational watch.
We’re working with a small group of teams to shape the next phase of Metwatch.