Himachal Braces for Snow and Rain on November 4-5 as Western Disturbance Brings Cold Wave

A gap of more than 33 degrees between Una and Kukumseri
Before the disturbance arrives, Una hit 31.2°C while Kukumseri in Lahaul and Spiti recorded -1.9°C.
Mark

So the sun is out now, but the forecast says that changes soon. What exactly is coming?

Mimi

A Western Disturbance, starting the night of November 3. It should bring light snow to higher hills and light rain to the rest of the state on November 4 and 5.

Mark

Which areas get snow?

Mimi

Lahaul and Spiti, Kinnaur, Kullu, Kangra and Chamba, at isolated places. The department keeps the language light.

Luke

Worth stressing that. Isolated and light. Nobody should read this as a big snowfall forecast, and the source gives no snow depth or rainfall totals.

Mark

What about the cold?

Mimi

Minimums down 2 to 5 degrees, maximums down 3 to 6. The department says that could create cold wave conditions in several areas.

Luke

Several areas, but it doesn't name them. And those are ranges for the whole state, not town-level forecasts. Any number I'd put on Shimla would be my own arithmetic.

Mark

And right now?

Mimi

Mostly dry and sunny. Una hit 31.2°C while Kukumseri in Lahaul and Spiti fell to -1.9°C.

Luke

Fair, but that's a snapshot before the system arrives. Whether the forecast holds is unknown until November 3 to 5.

  • A mild, sunny spell is about to be interrupted as a fresh Western Disturbance moves into the state from the night of November 3.
  • Temperatures are set to drop by 2 to 5 degrees at night and 3 to 6 degrees during the day, pushing parts of the state into cold wave conditions.
  • Light snow is expected at isolated spots in Lahaul and Spiti, Kinnaur, Kullu, Kangra and Chamba, while rain falls across the rest of the state.
  • Places already near freezing, such as Keylong and Kukumseri, have the least room before conditions turn harsh.
  • Residents and travelers are watching closely for further drops and cold wave advisories from the Meteorological Department.

Autumn in Himachal Pradesh has been balanced between bright, dry days and the sharp chill of the high mountains, a contrast so wide that Keylong and Una sit more than thirty degrees apart. Now a fresh Western Disturbance, the familiar westerly system that has shaped Himalayan weather for generations, is gathering over the western Himalaya. It promises light snow for the higher hills and rain below, along with a sudden cooling that reminds residents how quickly the mountains can change their mood. Modest in its wording, the forecast nonetheless asks people to prepare for a colder turn as November 4 and 5 approach.

On the day the forecast was issued, Himachal Pradesh was enjoying a dry, bright and sunny spell. Keylong sat at 0.7°C and Kukumseri in Lahaul and Spiti touched -1.9°C, the coldest reading in the state, while Una reached 31.2°C, the warmest. That gap of more than 33 degrees is about to be joined by a shift in the weather.

The State's Meteorological Department says a fresh Western Disturbance will influence the western Himalayan region from the night of November 3, with effects felt across the state on November 4 and 5. The higher hills are where snow is expected, with light snowfall at isolated places in Lahaul and Spiti, Kinnaur, Kullu, Kangra and Chamba. The rest of the state is forecast to get light rain. The department's wording is modest, and this is not a forecast of a heavy storm.

The sharper change is in temperature. Minimum readings may fall by 2°C to 5°C and maximum readings by 3°C to 6°C, which the department says will bring cold wave conditions to several areas. Places already close to freezing have the least room to fall before conditions turn harsher.

For residents and travelers, the key is timing. The disturbance may start arriving on the night of November 3, so conditions could shift before the first full day of the forecast. Further temperature drops and any cold wave advisories are what to watch as November 4 and 5 approach.

On the day the forecast went out, Himachal Pradesh was enjoying a mostly dry, bright and sunny spell. Keylong sat at 0.7°C and Kukumseri village in Lahaul and Spiti touched -1.9°C, the coldest reading in the state, while Una climbed to 31.2°C, the warmest. That gap of more than 33 degrees between the two ends of the state is about to be joined by a shift in the weather.

The State's Meteorological Department says a fresh Western Disturbance is likely to influence the western Himalayan region from the night of November 3. Its effects are expected to be felt across the state on November 4 and 5, in the form of both snow and rain.

The higher hills are where snow is expected. Lahaul and Spiti, Kinnaur, Kullu, Kangra and Chamba are listed for light snowfall at isolated places. The rest of the state is forecast to get light rain. The department's wording is modest: light snow, isolated places, light rain. This is not a forecast of a heavy storm.

The temperature drop is the more notable part. During the spell, minimum temperatures are expected to fall by 2°C to 5°C, and maximum temperatures by 3°C to 6°C. The department says this would create cold wave conditions in several areas.

The readings recorded before the change give a baseline. Shimla was at 12°C and Dharamshala at 11.8°C. Manali recorded 6.1°C, Kangra 13.5°C, Mandi 13.9°C, Bilaspur 13.9°C and Hamirpur 12.9°C. Kufri was at 11°C, Reckong Peo 8.4°C, Kasauli 14°C and Paonta Sahib 19°C. Sundernagar logged 11.8°C, Bhuntar 9.3°C, Solan 10.4°C, Palampur 10°C and Narkanda 8.9°C. Kalpa stood at 4.7°C and Keylong, as noted, at 0.7°C.

Applying the forecast ranges to those figures is only illustrative, since the department has not issued town-by-town projections, but the direction is clear. Places already near freezing, such as Keylong and Kukumseri, have the least room to fall before conditions turn harsher.

For residents and travelers, the practical point is timing. The disturbance is expected to start moving in on the night of November 3, so conditions may change before the first full day of the forecast. Further temperature drops and any cold wave advisories from the department are what to watch as November 4 and 5 approach.

A fresh Western Disturbance is likely to influence the western Himalayan region from the night of November 3, bringing snowfall and rain.
— State Meteorological Department, Himachal Pradesh (paraphrased)
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