WMO: El Nino heading for very strong event

1. Question 1Answer A

   Which of the following is/are correct? 1. WMO said on 3 September 2026 that El Nino is established. 2. WMO said it will fade by end-2026.

   • ACorrect answer: Only 1
   • BOnly 2
   • CBoth 1 and 2
   • DNeither

   Core Trigger: On 3 September 2026 the WMO said El Nino is established and will become very strong, peaking toward end-2026.From Book 1 RATNA, topic 247, point 1

2. Question 2Answer A

   WMO gives a near-100% likelihood that El Nino persists through which month?

   • ACorrect answer: February 2027
   • BJune 2027
   • CApril 2027
   • DDecember 2026

   Outlook: WMO gives a near-100% likelihood that El Nino persists through February 2027, with impacts continuing into 2027.From Book 1 RATNA, topic 247, point 2

3. Question 3Answer D

   Who is the WMO Secretary-General?

   • AAntonio Guterres
   • BPetteri Taalas
   • CInger Andersen
   • DCorrect answer: Celeste Saulo

   Current Head: WMO Secretary-General Celeste Saulo presented the update at a Geneva press conference.From Book 1 RATNA, topic 247, point 3

4. Question 4Answer B

   What does the Nino 3.4 index measure?

   • AIndian Ocean temperature gradient
   • BCorrect answer: Pacific sea-surface temperature anomaly
   • CPacific air-pressure difference
   • DAtlantic hurricane energy

   Key Term: The Nino 3.4 index measures Pacific sea-surface temperature anomaly in the central-eastern equatorial Pacific.From Book 1 RATNA, topic 247, point 4

5. Question 5Answer D

   The 1997-98 El Nino peaked at what Nino 3.4 anomaly?

   • A+1.5 C
   • B+2.0 C
   • C+2.8 C
   • DCorrect answer: +2.4 C

   Index Data: Nino 3.4 averaged 1.5 C above normal in May-July and reached 2.0 C in July; 1997-98 peaked at +2.4 C.From Book 1 RATNA, topic 247, point 5

6. Question 6Answer C

   Which of the following is/are correct? 1. ENSO has three phases: El Nino, La Nina and neutral. 2. El Nino brings warmer central-eastern Pacific waters.

   • AOnly 1
   • BOnly 2
   • CCorrect answer: Both 1 and 2
   • DNeither

   Phases: ENSO has three phases: El Nino, La Nina and neutral; El Nino brings warmer central-eastern Pacific waters.From Book 1 RATNA, topic 247, point 6

7. Question 7Answer C

   Where is the WMO headquartered?

   • ANairobi
   • BVienna
   • CCorrect answer: Geneva
   • DParis

   Headquarters: The WMO is headquartered in Geneva, Switzerland.From Book 1 RATNA, topic 247, point 8

8. Question 8Answer A

   On which date did the WMO begin operating?

   • ACorrect answer: 23 March 1950
   • B4 April 1950
   • C23 March 1947
   • D23 March 1951

   Founded: The WMO began operating on 23 March 1950 and became a UN specialised agency in 1951.From Book 1 RATNA, topic 247, point 9

9. Question 9Answer B

   In which city was the WMO Convention signed in 1947?

   • ALondon
   • BCorrect answer: Washington
   • CGeneva
   • DSan Francisco

   Landmark: The WMO Convention was signed in Washington in 1947 and replaced the International Meteorological Organization.From Book 1 RATNA, topic 247, point 10

10. Question 10Answer D

    Which Indian law governs preparedness and response to hazards such as drought?

    • AWater Act, 1974
    • BEpidemic Diseases Act, 1897
    • CEnvironment (Protection) Act, 1986
    • DCorrect answer: Disaster Management Act, 2005

    Statute: India's Disaster Management Act, 2005 governs preparedness and response to hazards such as drought.From Book 1 RATNA, topic 247, point 11

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