MER-A Launch Weather Forecast for June 8

Eastern Range Operations Forecast Op Number: F7326

Issued: 8 Jun 03 (0600 EDT)

Valid: 8 Jun 03 (2:06, 2:44 p.m.)

Vehicle/Payload: Delta II / MER-A

Location: Pad 17-A

Launch Weather Officer: Joel Tumbiolo

Synoptic Discussion: No changes. High moistures levels, daytime heating, and local sea and lake
breezes will trigger widespread thunderstorm development over the state
again today. Main concerns during will be cumulus clouds , developing
thunderstorms, and associated anvil clouds within the vicinity of the launch
pad/flight path.

Clouds Coverage Bases (feet) Tops (feet)

BKN030 5/8 3,000 10,000

BKN100 5/8 10,000 18,000

BKN250 6/8 25,000 28,000

Visibility: 7 miles

Wind: 170 degrees / 10 – 15 KTS

Pressure: 30.00 IN HG

Temperature: 82 F – 84 F
RH: 70%

Weather: Showers and thunderstorms in the vicinity

Solar Activity: N/A

Overall probability of violating weather constraints: 60%

Primary concern(s): Cumulus Cloud Rule, Lightning Rule, Anvil Cloud Rule

Overall probability of violating weather constraints for 24 hour delay: 60%

Primary concern(s): Cumulus Cloud Rule, Lightning Rule, Anvil Cloud Rule

Overall probability of violating weather constraints for 48 hour delay: 40%

Primary concern(s): Cumulus Cloud Rule, Lightning Rule, Anvil Cloud Rule

Sunrise:

• 8 June 03 / 0625 EDT
• 9 June 03 / 0625 EDT
• 10 June 03 / 0625 EDT

Moonrise/(% illum):

• 8 June 03 / 1411 EDT / %
• 9 June 03 / 1514 EDT / %
• 10 June 03 / 1619 EDT / %

Sunset:

• 8 June 03 / 2018 EDT
• 9 June 03 / 2019 EDT
• 10 June 03 / 2019 EDT

Moonset:

• 9 June 03 / 0247 EDT
• 10 June 03 / 0321 EDT
• 11 June 03 / 0358 EDT

Next forecast will be issued: As needed