Hurricane Rick (1985)

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Hurricane Rick
Hurricane Rick near peak intensity in the central Pacific Ocean on September 9
Meteorological history
FormedSeptember 1, 1985
DissipatedSeptember 12, 1985
Category 4 major hurricane
1-minute sustained (SSHWS/NWS)
Highest winds145 mph (230 km/h)
Lowest pressure951 mbar (hPa); 28.08 inHg
Overall effects
FatalitiesNone
DamageMinimal
Areas affectedHawaii
IBTrACSEdit this at Wikidata
Part of the 1985 Pacific hurricane season

Hurricane Rick was a powerful hurricane that threatened Hawaii during September 1985, but ultimately passed with minimal effects. The storm was the twentieth tropical cyclone, eighteenth named storm, eighth hurricane, and fifth major hurricane of the very active 1985 Pacific hurricane season. Rick originated from a tropical wave moved slowly westward over the warm waters south of Salina Cruz. Moving westward, the EPHC upgraded the low into a tropical depression on 0000 UTC September 1. The depression was upgraded into Tropical Storm Rick midday on September 2. Initially, further intensification was slow to occur; the storm did not attain hurricane status until September 7, nearly a week after it first formed. After becoming a hurricane, Rick began to intensify more rapidly. Early the next day, the EPHC re-assessed the intensity of Rick to Category 4 status. Shortly thereafter, Rick reached its peak intensity of 145 mph (233 km/h). A weakening trend commenced on September 10; Hurricane Rick began to rapidly deteriorate while turning northwest. Within a few hours, the storm had weakened considerably. By September 11, Tropical Storm Rick merged with a trough. Early forecasts noted uncertainty in the storm's path; the hurricane approached the Hawaiian island group, coming close enough to require a high surf advisory. Even though Hurricane Rick turned north sooner than Pauline, the surf did rise slightly.

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

Hurricane Rick originated from a tropical wave that moved slowly westward south of Salina Cruz. Despite warm waters, the wave was slow to develop due to strong vertical

Hurricane Pauline. Rick did not attain hurricane status until the evening hours of September 6 while located over 1,000 mi (1,610 km) west-southwest of Cabo San Lucas.[1]

After becoming a hurricane, Rick began to intensify more rapidly.

Hurricane Patsy during the 1959 Pacific hurricane season exceeded Rick in intensity.[4] Since then, however, many storms have suppressed Rick in terms of both wind speed and pressure.[3]

Following a path similar to Pauline, the hurricane moved northwest, encountering increased southwesterly shear, which commenced a weakening trend. On September 10, Rick's eye started to become ragged and cloud-filled, when it was downgraded into a Category 3 hurricane. A dropsonde released into the eye of Hurricane Rick showed a central pressure of 951 mbar (951.00 hPa; 28.08 inHg). Recurving away from Hawaii, the system began to rapidly deteriorate and was reduced to a Category 1 hurricane during the evening hours of September 10. The next day, Rick was downgraded into a tropical storm roughly 600 mi (965 km) east of Hilo. Later that day, the tropical storm merged with the same trough that absorbed Hurricane Pauline several days earlier. Despite this, a weak low-level circulation persisted for several more days.[4]

Preparations and impact

Early forecasts remarked the potential to be more of a threat to Hawaii than Pauline because Rick was further south than Pauline and thus less likely to weaken since Rick was over of warmer

U.S. Coast Guard received a report of an overdue sailing vessel en route to the Hawaiian Island group. However, it is unknown if Pauline or Rick affected the boat's course.[4]

See also

References

  1. ^
    doi:10.1175/1520-0493(1986)114<1931:ENPTCO>2.0.CO;2
    .
  2. ^ Eastern Pacific Hurricane Center; E.B. Gunther and R.L. Cross; National Weather Service Western Region (1986). "Annual data and verification tabulation, eastern North Pacific tropical storms and hurricanes, 1985". National Weather Service. {{cite journal}}: Cite journal requires |journal= (help)
  3. ^ a b c National Hurricane Center; Hurricane Research Division; Central Pacific Hurricane Center (April 4, 2023). "The Northeast and North Central Pacific hurricane database 1949–2022". United States National Oceanic and Atmospheric Administration's National Weather Service. A guide on how to read the database is available here. Public Domain This article incorporates text from this source, which is in the public domain.
  4. ^ a b c d "The 1985 Central Pacific Tropical Cyclone Season". Central Pacific Hurricane Center. Retrieved July 25, 2011.
  5. ^ "Hurricane Rick veers away from Hawaii". Lodi News-Sentinel. United Press International. September 11, 1985. Retrieved July 4, 2012.
  6. ^ a b "Severe hurricane near Hawaii". Lawrence-Journal World. Associated Press. September 10, 1985. Retrieved July 4, 2012.
  7. Times Daily
    . September 8, 1985. Retrieved July 4, 2012.
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