Computer Model Guidance and Time Conversion

Computer Model Guidance
...and time conversion

Index

- Model Run Times / Intervals
- GMT to Eastern Time

...Model Data / Time Conversions...
- 0z Runs
- 6z Runs
- 12z Runs
- 18z Runs

- Model Links

Model Run Times / Intervals

Model	0z Run		6z Run		12z Run		18z Run
	Update	Interval	Update	Interval	Update	Interval	Update	Interval
ETA	Out to 84 hrs	3 hr	Out to 48 hrs	3 hr	Out to 84 hrs	3 hr	Out to 48 hrs	3 hrs
ETAXX	Out to 168 hrs	12 hr	No Updates		Out to 12 hrs	12 hr	No Updates
AVN	Out to 126 hrs	6 hr	Out to 84 hrs	6 hr	Out to 126 hrs	6 hr	Out to 84 hrs	6 hr
NGM	Out to 48 hrs	6 hr	No Updates		Out to 48 hrs	6 hr	No Updates
MRF	Out to 384 hrs	12 hr	No Updates
RUC	The RUC is run 1 to 3 hrs with an interval of 1 to 3 hrs, depending on vendor
ECMWF	No Updates				Out to 240 hrs	24 hr	No Updates
GEM	Out to 48 hrs	12 hr	No Updates		Out to 48 hrs	24 hr	No Updates
GLB SEF	Out to 240 hrs	12/24 hr	No Updates		Out to 72 hrs	12 hr	No Updates
UKMET	Out to 144 hrs	6/12 hr	No Updates		Out to 144 hrs	6/12 hr	No Updates
NOGAPS	Out to 144 hrs	12 hr	No Updates		Out to 144 hrs	12 hr	No Updates

GMT to Eastern Time

GMT Time	EST Time	EDT Time
00:00	19:00	20:00
01:00	20:00	21:00
02:00	21:00	22:00
03:00	22:00	23:00
04:00	23:00	00:00
05:00	00:00	01:00
06:00	01:00	02:00
07:00	02:00	03:00
08:00	03:00	04:00
09:00	04:00	05:00
10:00	05:00	06:00
11:00	06:00	07:00
12:00	07:00	08:00
13:00	08:00	09:00
14:00	09:00	10:00
15:00	10:00	11:00
16:00	11:00	12:00
17:00	12:00	13:00
18:00	13:00	14:00
19:00	14:00	15:00
20:00	15:00	16:00
21:00	16:00	17:00
22:00	17:00	18:00
23:00	18:00	19:00

Model Data / Time Conversion
(organized by EST)

- 0z Runs
- 6z Runs
- 12z Runs
- 18z Runs

0z Runs

0z runs initalized at 7pm EST and are generally available after 10pm EST.

Day 1	Day 2	Day 3	Day 4	Day 5	Day 6	Day 7	Day 8	Day 9
00h (Analysis): 7pm	06h: 1am	30h: 1am	54h: 1am	78h: 1am	102h: 1am	132h: 7am	156h: 7am	180h: 7am
03h: 10pm	09h: 4am	33h: 4am	57h: 4am	81h: 4am	108h: 7am	144h: 7pm	168h: 7pm	192h: 7pm
	12h: 7am	36h: 7am	60h: 7am	84h: 7am	114h: 1pm
	15h: 10am	39h: 10am	63h: 10am	90h: 1pm	120h: 7pm
	18h: 1pm	42h: 1pm	66h: 1pm	96h: 7pm
	21h: 4pm	45h: 4pm	69h: 4pm
	24h: 7pm	48h: 7pm	72h: 7pm
	27h: 10pm	51h: 10pm	75h: 10pm
Day 10	Day 11	Day 12	Day 13	Day 14	Day 15	Day 16	Day 17
204h: 7am	228h: 7am	252h: 7am	276h: 7am	300h: 7am	324h: 7am	348h: 7am	372h: 7am
216h: 7pm	240h: 7pm	264h: 7pm	288h: 7pm	312h: 7pm	336h: 7pm	360h: 7pm	384h: 7pm

6z Runs

6z runs initalized at 1am EST and are generally available after 4am EST.

Day 1	Day 2	Day 3	Day 4
00h (Analysis): 1am	24h: 1am	48h: 1am	78h: 1am
03h: 4am	27h: 4am	54h: 7am	84h: 4am
06h: 7am	30h: 7am	60h: 10am	84h: 7am
09h: 10am	33h: 10am	63h: 1pm
12h: 1pm	36h: 1pm	66h: 4pm
15h: 4pm	39h: 4pm	69h: 7pm
18h: 7pm	42h: 7pm	72h: 10pm
21h: 10pm	45h: 10pm

12z Runs

12z runs initalized at 7am EST and are generally available after 10am EST.

Day 1	Day 2	Day 3	Day 4	Day 5	Day 6	Day 7	Day 8	Day 9
00h (Analysis): 7am	18h: 1am	42h: 1am	66h: 1am	90h: 1am	114h: 1am	144h: 7am	168h: 7am	192h: 7am
03h: 10am	21h: 4am	45h: 4am	69h: 4am	96h: 7am	120h: 7am
06h: 1pm	24h: 7am	48h: 7am	72h: 7am	102h: 1pm	126h: 1pm
09h: 4pm	27h: 10am	51h: 10am	75h: 10am	108h: 7pm
12h: 7pm	30h: 1pm	54h: 1pm	78h: 1pm
15h: 10pm	33h: 4pm	57h: 4pm	81h: 4pm
	36h: 7pm	60h: 7pm	84h: 7pm
	39h: 10pm	63h: 10pm
Day 10	Day 11
216h: 7am	240h: 7am

18z Runs

18z runs initalized at 1pm EST and are generally available after 4pm EST.

Day 1	Day 2	Day 3	Day 4
00h (Analysis): 1pm	12h: 1am	36h: 1am	66h: 4am
03h: 4pm	15h: 4am	39h: 4am	72h: 10am
06h: 7pm	18h: 7am	42h: 7am	78h: 4pm
09h: 10pm	21h: 10am	45h: 10am	84h: 10pm
	24h: 1pm	48h: 1pm
	27h: 4pm	54h: 5pm
	30h: 7pm	60h: 11pm
	33h: 10pm

Model Links (Mainly for the Philadelphia area)
The list above and below do not include all models.

GRAPHICAL/MAPS OUTPUT: SUITES

- DuPage College Numerical Models Page
- NCEP Model Suite
- Numerical Forecast Maps: Univeristy of Wyoming
- Plymouth State College Weather Center: Make Your Own Model
- UM Weather Computer Model Forecasts
- University of Wisconsin Computer Models

GRAPHICAL/MAPS OUTPUT: INDIVIDUAL MODELS

- AVN Precipitation Type Forecast: Penn State University
- AVN T-170 Forecast Maps
- Canadian GEM Short Range
- Canadian Suite / GLB SEF Medium Range
- Canadian SEF Medium Range
- COAMPS Regional
- ETA Precipitation Type Forecast: Penn State University
- ETAxx: National Weather Service, Pontiac, MI
- MRF and ECMWF Model Site: Texas A&M
- Navy NOGAPS
- MM5 Severe Focus Model: National Severe Storms Laboratory
- NWS CTP/PSU MM5 Output
- SUNY Stony Brook MM5
- UKMET Model Data: National Weather Service, Binghamton, NY
- Unisys Weather 10day MRF SL Pres-500mb Height Plot
- Unisys Weather 10day MRF SL Pres-Precip Plot
- RUC Models

ENSEMBLES/GRAPHICAL PREDICTABILITY MAPS

- FNMOC Ensemble Forecast System
- NCEP Ensemble MRF MOS Graphics PSU
- Relative Measure of Predictability

TEXTUAL OUTPUT/MOS

- AVN FAN
- AVN MAV
- Ensemble MOS
- MRF FWR
- MRF MEX
- NGM FWC

METEOGRAMS/SKEW-T'S

- 0Z AVN
- 12Z AVN
- NWS CTP MM5 Meteograms/Skew-T's
- 0z MRF
- 18z AVN
- 6z AVN
- ETA Northeast

DISCUSSIONS/ANALYSIS

- Joe Bastardi's Column/Videos
- WxRisk.com Products
- Larry Cosgrove's "WeatherAmerica"
- Gary Gray's MillenniumWeather.com

MODEL STATUS/UPDATES/OTHER SITES

- Current Status of NCEP Model Production
- NCEP Operational Status Message