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SKYWARN · California

NWS Monterey MTR

11 counties, 4 radars, one forecaster on the warning desk when it goes bad. This page is what that desk is looking at, plus the nets that feed it.

Nothing active from this office

NWS checked 11:27 PM

Radar

NWS RIDGE · base reflectivity · last hour
KMUX radar loop

Deeper look: KMUX interactive ↗ · KMUX at College of DuPage ↗ · KDAX interactive ↗ · KDAX at College of DuPage ↗ - velocity, correlation coefficient and every tilt.

Satellite

GOES-West · PSW sector · GeoColor
GOES-West · PSW sector · GeoColor satellite image

NOAA STAR · updates every 5 min · all bands ↗

SPC outlook · day 1

categorical
SPC day 1 convective outlook

Marginal → Slight → Enhanced → Moderate → High · day 2 ↗ · mesoscale discussions ↗

Reports taken by this office today

0 · SPC preliminary
No spotter reports logged by MTR so far today (UTC).

Cameras near the office

none listed yet
No cameras listed near Monterey yet. Know one?

Radar tells you what the storm is doing; these tell you what it looks like. Pictures open at their source - ODOT and the Mesonet allow linking, not republishing.

SKYWARN & weather nets for this office

Suggest or fix one →
No net is listed for NWS Monterey yet. If you know the repeater and who runs it, suggest it - the state coordinator checks it and it shows up here and on the state hub. Never guess a frequency from memory; a wrong one during a warning is worse than none.

NOAA Weather Radio in this area

7 transmitters · this office’s first, neighbours after
162.500 MHz KDX54 · Big Rock Ridgecovers Contra Costa (WEST), Marin, Napa, San Francisco, San Mateo, Santa Clara, Sonoma, Sonoma (SOUTHEAST), Sonoma (SOUTH), Sonoma (WEST AND SOUTH), Sonoma (EAST AND SOUTH), Sonoma (ALL), Sonoma (WEST), Sonoma (ALL), Sonoma … · 75 W · NWS San Francisco
162.550 MHz KEC49 · Montereycovers Alameda, Contra Costa (VALLEYS), Monterey, Napa (SOUTH), San Benito (NORTH), San Francisco, San Mateo, Santa Clara, Santa Cruz · 300 W · NWS San Francisco
162.400 MHz KHB49 · San Franciscocovers Alameda, Contra Costa, Marin, Napa (SOUTH), San Francisco, San Mateo, Santa Clara (NORTH), Santa Cruz (NORTH), Sonoma (ALL), Sonoma (SCATTERED), Sonoma (SCATTERED), Sonoma (SCATTERED), Sonoma (SCATTERED), Sonoma (SCAT… · 300 W · NWS San Francisco
162.550 MHz KIH30 · Point Arenacovers Mendocino (W), Sonoma (ALL), Sonoma (SCATTERED), Sonoma (CENTRAL), Sonoma (SCATTERED), Sonoma (SCATTERED), Sonoma (NORTHEAST), Sonoma (NORTHEAST) · 300 W · NWS Eureka · ⚠ Out Of Service
162.425 MHz WNG655 · Contra Costa Countycovers Alameda, Contra Costa · 100 W · NWS San Francisco
162.450 MHz WWF64 · Monterey Marinecovers Alameda, Contra Costa (VALLEYS), Monterey, Napa (SOUTH), San Benito (NORTH), San Francisco, San Mateo, Santa Clara, Santa Cruz · 100 W · NWS San Francisco
162.475 MHz WZ2504 · Sonoma Countycovers Sonoma (EXCEPT NW), Sonoma (SOUTHEAST), Sonoma (ALL), Sonoma (ALL), Sonoma (ALL), Sonoma (ALL), Sonoma (ALL), Sonoma (ALL) · 100 W · NWS San Francisco

What to report, and where

Size charts and the full guide →
🌪️ Tornado, funnel, wall cloud
  • ·Tornado on the ground (say if you see debris)
  • ·Funnel cloud - rotating, not touching down
  • ·Wall cloud, especially a rotating one
  • ·Where it is relative to you, and which way it's moving
🧊 Hail
  • ·The largest stone, compared to a coin or ball (chart below)
  • ·1″ (quarter) is the severe threshold - smaller is still worth a report to most offices
  • ·How long it fell and whether it's covering the ground
💨 Wind
  • ·Measured gusts of 40 mph+; 58 mph is severe
  • ·Damage: trees down, limbs bigger than your arm, roof or structure damage, power lines
  • ·Say whether it was measured or estimated
🌊 Flooding
  • ·Water over a road, especially moving water
  • ·Creeks and rivers rising fast or out of their banks
  • ·Rainfall of 1″ or more in an hour if you have a gauge
❄️ Winter
  • ·Snowfall of 1″ an hour or more, and totals
  • ·Freezing rain and ice accumulation on wires and trees
  • ·Visibility under ¼ mile, blowing and drifting
🚫 Not this
  • ·Lightning and thunder on their own
  • ·Rain that isn't causing flooding
  • ·Ordinary dark clouds, scud, or clouds that only look scary
  1. 1 · The net, if one is up

    When the office activates SKYWARN, a net control on the local repeater takes reports in a set format and relays them straight to the forecaster. Listen first, check in when asked, keep it short: who, what, where, when.

  2. 2 · The office directly

    No net running? Every office has a spotter line or online report form on its SKYWARN page - for you that’s NWS Monterey. Trained spotters get the number in class; anyone can use the form.

  3. 3 · Tell the room here

    /report hail quarter · 71st & Memorial in #ca-wx puts it in front of everyone watching the state. It does not reach the NWS - do 1 or 2 for that.

Counties served by NWS Monterey · 11
CAC001 Alameda
CAC013 Contra Costa
CAC041 Marin
CAC053 Monterey
CAC055 Napa
CAC069 San Benito
CAC075 San Francisco
CAC081 San Mateo
CAC085 Santa Clara
CAC087 Santa Cruz
CAC097 Sonoma