Global Weather Model Run Times EST and UTC Conversion

 WEATHER MODEL RUN TIMES Manual Convert from Tropical Tidbits

Z Time and update to be accurate from NHC

All the times are EST and approximate.

GFS (out to 384 hours)
0z: 8pm
6z: 2am
12z: 8am
18z: 2pm

ECMWF (EURO) (out to 240 hours)
0z: 8pm
12z: 8:00am

NAM (out to 84 hours)
0z: 8pm
6z: 2am
12z: 8am
18z: 2pm

CMC (out to 180 hours)
0z: 8pm
12z : 8:00am

UKMET (out to 72 hours)
0z: 8:30am
12z: 8:30pm

HWRF:

0z: 8pm
6z: 2am
12z: 8am
18z: 2pm

0z: 1:30am
12z: 1:30pm

NOGAPS (out to 180 hours)
*00z = 8:00 AM
*12z = 8:00 PM

DGEX (out to 192 hours)
*00z = 8:15 AM
*12z = 8:15 PM

AI is WRONG but here are the results of my prompt:

What times are all of the hurricane related and weather models updated including the Euro GFS nam hrrr cmc and icon models please print the results as a table, include a column for time in EST timezone format the time in AM/PM

Bard AI:

Sure, here is a table of the times when the major hurricane related and weather models are updated, including the Euro, GFS, NAM, HRRR, CMC, and ICON models:

ModelTime Updated (UTC)
Euro00:00, 06:00, 12:00, 18:00
GFS00:00, 06:00, 12:00, 18:00
NAM00:00, 06:00, 12:00, 18:00
HRRR00:00, 03:00, 06:00, 09:00, 12:00, 15:00, 18:00, 21:00
CMC00:00, 06:00, 12:00, 18:00
ICON00:00, 06:00, 12:00, 18:00

Note that these times are in Coordinated Universal Time (UTC), which is 8 hours ahead of Pacific Standard Time (PST). So, for example, the Euro model is updated at 16:00 PST, the GFS model is updated at 24:00 PST, and so on.


WriteSonic: best results

Sure! Here's a table with the update times of various hurricane-related and weather models, including the Euro, GFS, NAM, HRRR, CMC, and ICON models:

ModelUpdate Time (UTC)Update Time (EST)
Euro00:00, 06:00, 12:00, 18:008:00 PM, 2:00 AM, 8:00 AM, 2:00 PM
GFS00:00, 06:00, 12:00, 18:008:00 PM, 2:00 AM, 8:00 AM, 2:00 PM
NAM00:00, 06:00, 12:00, 18:008:00 PM, 2:00 AM, 8:00 AM, 2:00 PM
HRRRHourlyHourly
CMC00:00, 12:008:00 PM, 8:00 AM
ICON00:00, 06:00, 12:00, 18:008:00 PM, 2:00 AM, 8:00 AM, 2:00 PM

Please note that the HRRR model is updated hourly throughout the day. The times provided in the EST timezone are for reference and may vary due to daylight saving time adjustments.

References: [1] Hurricane Forecast Model Output :: [Model Identifiers] [2] Forecast Models [3] GFS Model – MSLP & Precip (Rain/Frozen) for CONUS


Bing AI:

Here is a table of the update times for the weather models you mentioned:

ModelUpdate Times (UTC)
EuroNot found
GFSNot found
NAM00:00, 06:00, 12:00, 18:001
HRRRNot found
CMCNot found
ICONNot found

I’m sorry, but I couldn’t find information on the update times for the Euro, GFS, HRRR, CMC, and ICON models. However, I did find that the NAM model is updated four times a day or every 6 hours at 00:00, 06:00, 12:00, and 18:00 UTC1. Is there anything else you would like to know? 😊


CONVERTING ZULU TIME TO LOCAL TIME

The NHC, Model Runs, NOAA satellites and other tools and organizations use Zulu Time or Coordinated Universal Time (UTC) as their time reference. Many weather websites and resources are stamped in Zulu time.

To make the conversion to your local time, see the chart below. Find your local time in the first column. If you are on Central Daylight Saving Time (CDT), you would use the second column to find your Zulu Time/UTC. For instance, if it's 10 a.m. Central Daylight Saving Time in Washington, D.C., it's 1500 hours in Zulu time/UTC.

LocalEDTESTCDTCSTMDTMSTPDTPST
Midnight04000500050006000600070007000800
1 a.m.05000600060007000700080008000900
2 a.m.06000700070008000800090009001000
3 a.m.07000800080009000900100010001100
4 a.m.08000900090010001000110011001200
5 a.m.09001000100011001100120012001300
6 a.m.10001100110012001200130013001400
7 a.m.11001200120013001300140014001500
8 a.m.12001300130014001400150015001600
9 a.m.13001400140015001500160016001700
10 a.m.14001500150016001600170017001800
11 a.m.15001600160017001700180018001900
NOON16001700170018001800190019002000
1 p.m.17001800180019001900200020002100
2 p.m.18001900190020002000210021002200
3 p.m.19002000200021002100220022002300
4 p.m.20002100210022002200230023002400
5 p.m.21002200220023002300240024000100
6 p.m.22002300230024002400010001000200
7 p.m.23002400240001000100020002000300
8 p.m.24000100010002000200030003000400
9 p.m.01000200020003000300040004000500
10 p.m.02000300030004000400050005000600
11 p.m.03000400040005000500060006000700

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