NWS Guide

Madis-Data.ncep.noaa.gov Website Outage

Madis-Data.ncep.noaa.gov Website Outage

Routine ADM

Madis-Data.ncep.noaa.gov Website Outage

Issued (0314Z TUE OCT 20 2026) · by Kempisty, on duty as SDM

Notices & outages ...MADIS-DATA.NCEP.NOAA.GOV WEBSITE OUTAGE...

NWS is reporting a problem affecting NCO. Some data may be missing, delayed or slow until it is fixed.

The message says NWS is actively working the issue, so this is a live situation rather than a closed one.

NCO is NWS Central Operations, which runs the computing behind the forecast models.

For most people this is invisible — forecasts keep coming. It matters most to anyone pulling NWS data directly, and to forecasters who lean on the affected feed.

Balloon reports 00Z GFS RAOB RECAP...

Twice a day, NWS and partner agencies release weather balloons that carry a radiosonde — a small instrument package that radios back temperature, humidity, pressure and wind as it climbs. Those soundings are one of the main ingredients in a forecast model’s starting conditions. This section is the roll call of stations that had a problem for the 00Z run of the GFS.

9 stations were flagged: 3 sent no usable sounding at all, 6 reported a numeric status code. A handful of gaps is normal and is not by itself a sign of a forecast problem — the models are built to work with an incomplete picture.

Weather balloon stations flagged in this message
Station Where What happened As printed
SYA 70414 Shemya AFB, AK No weather balloon data from this station reached the model for this cycle — either no launch happened or the data did not arrive in time. No report
JAX 72206 Jacksonville/Intl, FL No weather balloon data from this station reached the model for this cycle — either no launch happened or the data did not arrive in time. No report
OTX 72786 Spokane, WA No weather balloon data from this station reached the model for this cycle — either no launch happened or the data did not arrive in time. No report
OTZ 70133 Kotzebue, Ralph Wien, AK The station reported status code 10159. NWS does not publish a public legend for these codes, so we will not guess at what it means — it signals some problem with the launch or the data. unrecognised status code 10159 10159
BET 70219 Bethel/Bethel Airport, AK The station reported status code 10159. NWS does not publish a public legend for these codes, so we will not guess at what it means — it signals some problem with the launch or the data. unrecognised status code 10159 10159
MCG 70231 Mcgrath, AK Ground equipment failure — the station’s tracking/receiving equipment was down, so no usable sounding was produced. 10142...Ground equipment failure
SNP 70308 St. Paul Islands, AK The station reported status code 10159. NWS does not publish a public legend for these codes, so we will not guess at what it means — it signals some problem with the launch or the data. unrecognised status code 10159 10159
AKN 70326 King Salmon, AK The station reported status code 10159. NWS does not publish a public legend for these codes, so we will not guess at what it means — it signals some problem with the launch or the data. unrecognised status code 10159 10159
TWC 72274 Tucson, AZ The station reported status code 10159. NWS does not publish a public legend for these codes, so we will not guess at what it means — it signals some problem with the launch or the data. unrecognised status code 10159 10159
Show the original message

Exactly as NWS transmitted it. Everything above is our plain-English reading of this text — if the two ever disagree, this is the authoritative version.

000
NOUS42 KWNO 200314
ADMSDM

SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE
NWS CENTRAL OPERATIONS COLLEGE PARK MD
0314Z TUE OCT 20 2026

...MADIS-DATA.NCEP.NOAA.GOV WEBSITE OUTAGE...

NCO is aware of and investigating issues with the
madis-data.ncep.noaa.gov website.  

Please visit https://www.nco.ncep.noaa.gov/status/messages/
for further updates.

00Z NWS model production is running on time with 8
Alaskan...26 Canadian...64 CONUS...14 Mexican...8
Caribbean...and 9 Pacific stations available for ingest.

00Z GFS RAOB RECAP...
70414/SYA - No report
72206/JAX - No report
72786/OTX - No report
70133/OTZ - 10159
70219/BET - 10159
70231/MCG - 10142...Ground equipment failure
70308/SNP - 10159
70326/AKN - 10159
72274/TWC - 10159


Kempisty/SDM/NCO