Watches, Warnings & Advisories for Sunflower Co.

Monday, August 27, 2012

TS Isaac #9, 27 AUG 12 10:00AM

Tropical Storm Isaac continues to progress northwestward across the Gulf of Mexico.  While the forecast track has shifted slightly west again, residents in Mississippi will still see effects from the storm's passage.  Primarily, extended periods of heavy rain and high winds can be expected south of a line from roughly Greenville to Meridian.

The following information reflects expected conditions for Washington County, Mississippi.  The information regarding times and wind speeds will be roughly the same for the neighboring counties of Sharkey, Issaquena, Humphreys, and extreme southern Sunflower.

Storm Summary for Tropical Storm Isaac
Monday, August 27, 2012 at 10 AM CDT
(Output from Hurrevac, based on National Hurricane Center Forecast Advisory # 26)


Isaac is currently a tropical storm on the Saffir-Simpson Hurricane Wind Scale, with maximum sustained
winds of 65 mph (55 kts), moving northwest at 14 mph. The estimated minimum central pressure is 988
mb. Tropical storm-force winds extend outward up to 205 miles (335 km) from the storm center.

Wind Analysis for Washington, MS
(Based upon Tropical Storm Isaac Advisory #26)


Wind Probabilities
Jackson, MS, the closest reporting location, has within the 5-day forecast period of this advisory, a 4%
chance of at hurricane-force (64kt/74mph) winds, a 17% chance of at least strong tropical storm-force
(50kt/58mph) winds, and a 57% chance of at least tropical storm-force (34kt/39mph) winds.

Peak Wind*
Winds in Washington, MS are projected to peak at 36kt/41mph around 9:00 AM on Thursday, August 30,
2012

Wind Arrival and Duration*
  • Tropical storm-force winds (34kt/39mph) are forecast to begin in Washington, MS on Wednesday,
  • August 29, 2012 at 7:00 PM. Winds of this magnitude or higher are forecast to continue for 15 hours.
  • 50kt/58mph winds are not forecast for Washington, MS.
  • 64kt/74mph winds are not forecast for Washington, MS.
* These wind estimations are limited to the first 72 hours (3 days) following advisory issuance, and are
subject to considerable forecast uncertainty and generalization, especially if the storm is distant.
Maximum sustained winds (the highest surface wind maintained over a 1 minute period) are reported
here. Wind gusts and winds at higher elevations will be greater.

Preparedness Ideas:
  • Maintain at least a half-tank of gas in your vehicle until the storm is well past our area.
  • Have water and ready-to-eat food available to supply your family for at least three days (5 to 7 days is better).
  • Water needs = 1 gallon per person, per day.  A 24-count case of 16.9oz bottled water contains 3 gallons, enough for three days for one person.
  • Verify out-of-state contacts to communicate with.  Sometimes local phone service may be affected, while long distance remains available.




***DO NOT USE THIS WEBSITE AS YOUR SOLE SOURCE OF WEATHER INFORMATION, ESPECIALLY WATCHES AND WARNINGS. THIS WEBSITE DELIVERS FOCUSED INFORMATION FOR A SPECIFIC GEOGRAPHIC AREA AND IS NOT INTENDED TO PROVIDE TIMELY WEATHER WARNING INFORMATION***

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