Weather and climate analysis

September 2026 was warmer than usual at 35 of 36 Nordic stations. A smaller precipitation comparison ranged from below normal to over three times usual at Kevo.

Oct 14, 2026

September 2026 in European Capitals: Warmth Continued

September 2026 was warmer than usual at 12 capital stations. Compare their temperatures and the sharp precipitation contrast between Budapest and Prague.

Oct 12, 2026

France’s October Rain: Half the Daily Rainfall in One Hour

At Bormes and Cap Sagro, about half the daily rainfall fell in one hour on 7 October 2026. Shorter measurements show the bursts hidden in daily totals.

Oct 11, 2026

October Heat at the Coast: San Diego and LAX Reach 100°F (37.8°C)

12 min

Hourly observations show 100°F (37.8°C) heat at San Diego and LAX; daily summaries and October normals explain its persistence and seasonal contrast.

Oct 9, 2026

Spain October 2026 Flash Floods: EuroMeteo Gauges and OPERA Radar

31 min

Extreme rainfall in eastern Spain, 30 September–5 October 2026: EuroMeteo gauge accumulations compared over matched UTC windows with OPERA radar rain-rate estimates.

Oct 5, 2026

Summer 2026 Across the Nordic Region: Arctic Heat and Atlantic Rains

Summer 2026 temperature and rainfall at 47 Nordic stations compared with their 1991–2020 normals, using WMO Climate observations.

Oct 4, 2026

Summer 2026 in European capitals: warmth and rainfall

14 min

Compare summer 2026 temperature and rainfall at 15 European capital stations with their own 1991–2020 WMO normals.

Oct 3, 2026

Why long climate records need homogenization

How station moves and instrument changes affect long climate records, with original and homogenized Budapest temperatures and examples from Climate Explorer.

Sep 21, 2026

From 33°C to 16°C in 72 Hours: Vienna’s Late September Heat and Plunge

On 8 September, Vienna reached 33.2°C (91.8°F)—standing 12.1°C (21.8°F) above its seasonal normal—before daytime highs crashed by nearly 17°C in three days.

Sep 15, 2026

Poland’s September 2024 Rainfall: What the National Average Hid

7 min

IMGW station data show how Poland’s September 2024 national rainfall average concealed a sharp contrast between the southwest and northeast.

Sep 3, 2026

Nepal’s August 2026 Flash Flood: What Hourly Station Data Can—and Cannot—Show

Tribhuvan airport lies about 66 km from the Nepal flood event location. Its weather record and WMO normal provide context, with clear limits at the source catchment.

Aug 28, 2026

One UTC Day, Three Local Calendars: What an SSOD Date Means

7 min

NOAA’s SSOD dataset uses the same UTC window worldwide. That makes observations easier to align, but the window crosses local dates differently from New York to Tokyo.

Aug 16, 2026

OPERA Radar Products Explained: DBZH, RATE and ACRR

Choose between OPERA radar reflectivity, rain rate and hourly accumulation, and understand the units and limitations behind each pixel.

Aug 3, 2026

Central Park’s July 2026 Heatwave in a Full-Month View

Four 90°F days opened July at Central Park, but the mean of all 31 daily maxima was 83.5°F. A complete SSOD series shows the difference.

Jul 26, 2026

What CLIMAT Messages Contain—and How to Explore Them

Understand the monthly values and completeness information in CLIMAT reports, and the different quality stages in DWD’s station archive.

Jul 17, 2026

Midwest Heatwave 2026: When the Night Stayed Hot

At Dubuque Regional Airport, 48 of 72 selected hourly observations stayed at or above 80°F (26.7°C) while high dew points coincided with limited overnight cooling.

Jul 12, 2026

Two Heat Surges at French Stations: June to Early July 2026

5 min

Daily records at Brive, Toulouse and Perpignan show different timings of June and early-July heat. A fixed 41-day window makes the comparison clear.

Jul 11, 2026

Paris and Melun Minimum Temperatures During the June 2026 Heatwave

Across 30 matched June days, Paris-Montsouris had a minimum temperature 2.7°C higher on average than Melun-Villaroche. The largest gap was 5.1°C.

Jul 9, 2026

Germany’s June 2026 Heat: 54 Stations at 40°C or Higher

A fresh check of 54 DWD station files reproduces their June 26–28 peaks, led by 41.8°C at Möckern-Drewitz. The count has a defined coverage limit.

Jul 2, 2026

Warm June Nights: What Six Station Series Can Tell Us

Six June 2026 station series contain high minimum reports, but missing hours can hide cooler readings. Compare temperatures, WMO normals and coverage.

Jun 30, 2026

June 2026 Peaks at 17 Capital-Area Stations

A station-matched comparison of June 2026 EuroMeteo point-temperature peaks with WMO 1991–2020 normals at 17 stations serving 12 European capitals.

Jun 28, 2026

What June 2026 Station Maps Reveal About Europe’s Moving Heat

Three dated EuroMeteo maps show how reported temperatures differed across Europe on June 22, 25 and 26, with sampling limits made explicit.

Jun 27, 2026

How MeteoGate Changes Cross-Border Weather-Data Access

Follow an observation from its publisher through E-SOH and MeteoGate to EuroMeteo, and understand coverage gaps and processed exports.

Apr 30, 2026

The Limits of WMO Normals in a Warming Climate