@mn_storm

Severe/fire weather enthusiast. Meteorology student at SCSU.

Joined September 2020
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108 years ago on this day, a devastating outbreak of wildfires affected northern MN. ~1,045,088 acres were burned, 453 people were killed and 10,496 structures were destroyed. This event remains Minnesota's worst natural disaster. #mnwx #mnfire
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155 years ago the worst outbreak of fires in US history devastated the Midwest with the cities of Chicago, Peshtigo, Holland and Manistee being totally or partially destroyed. Overall 770-1564 people were killed and >19,536 buildings destroyed. #miwx #wiwx #ilwx
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The weather observer at Sturgeon Bay surveyed the October 8, 1871 fire in Door County. The arrows represent the direction of uprooted/snapped trees due to fire-generated winds.
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MNStorm retweeted
Neil Lareau
@nplareauOct 8
Playing around with some visualizations: Here is a volume rendering of one of the plumes we measured this summer with the @wildfirecenter's Ka-Band Doppler radar during @NASA's #INSPYRE. This was the McCully Fire in Oregon.
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MNStorm retweeted
Neil Lareau
@nplareauOct 3
Radar reconstruction of the #BullFire plume near #Reno, NV. The data reveal repeated pulses of deep plume development, ending abruptly when the fire burned into an earlier burn scar.
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MNStorm retweeted
Neil Lareau
@nplareauOct 3
The #BullFire is going on another run into a region of heavier fuels. The #HawkFire perimeter (purple) still limits spread to the east, but there could be a pretty good push of continued high intensity fire before sunset.
Neil Lareau
@nplareauOct 2
Lots of impressive fire behavior on the #BullFire. Been a year in #Reno...
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Global model ensembles are in strong agreement that a prolonged &anomalous nearly West-wide autumn heatwave will develop this week & persist for 10+ days. While some daytime records may be set, this event will be more notable for its persistence & breadth. [Thread]
Map showing predicted temperature anomalies in early October from the ECMWF ensemble across the western U.S. Nearly the entire region is painted red and pink, indicating widespread very warm anomalies.

ALT Map showing predicted temperature anomalies in early October from the ECMWF ensemble across the western U.S. Nearly the entire region is painted red and pink, indicating widespread very warm anomalies.

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MNStorm retweeted
Neil Lareau
@nplareauSep 29
#Pileus clouds forming atop #pyrocumulus were observed during #INSPYRE. These clouds are indicative of rapidly growing convection linked to intense fire. Co-located radar observations reveal the powerful updrafts (~20 m/s) driving their formation. science.nasa.gov/?p=1422768 via @NASA
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The ECMWF seasonal ensemble has just updated for September, and it continues to suggest that a soon record-strength El Niño will exert a very strong tilt in the odds toward wet conditions across the U.S. southern tier, including all of California, the Lower Colorado, and SE U.S.
Plot showing data from ECMWF SEAS5 seasonal model September update. It depicts the most likely "tercile" of precipitation during Jan-Mar 2027, and California is painted as "upper tercile" with 70-100% confidence.

ALT Plot showing data from ECMWF SEAS5 seasonal model September update. It depicts the most likely "tercile" of precipitation during Jan-Mar 2027, and California is painted as "upper tercile" with 70-100% confidence.

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Animation of the MTG fire radiative power pixels of the deadly 26-27 Aug 2026 Algerian fires. Shifting winds pushed the fires in every direction. #firewx
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This has flown under the radar but the wildfires in Algeria are among the deadliest in history. According to local sources the death toll might be as high as >308, which would make it the deadliest wildfire event in 90 years. The fires also burned 359,731 acres. #wildfires
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What made these fires so severe was extreme summer drought combined with hot and dry offshore winds, which lead to intense and fast moving fires. These fires moved fast even during the night.
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A catastrophic outbreak of wildfires in northern Algeria occurred over the last two days with local reports indicating that over 100 people have been killed. These fires also produced 2 pyroCbs. ⁠
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What set the stage for these fires was extreme drought and fire weather conditions with the Fire Weather Index reaching the 100th percentile which is impressive since this is peak fire season in Algeria.
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Although it has dropped out of news in recent days, wildfire activity across western U.S. and SW Canada remains very high, with numerous large fires active. Fires are now more broadly distributed vs. early in the summer, stretching from central CA to southern BC & east to ID/MT.
Snapshot of current wildfire activity (red/orange/yellow thermal detections) and clouds as viewed on Wednesday evening. Via NOAA's Wildland Fire Data Portal.

ALT Snapshot of current wildfire activity (red/orange/yellow thermal detections) and clouds as viewed on Wednesday evening. Via NOAA's Wildland Fire Data Portal.

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The #RossFire has produced a pyrocumulonimbus cloud, the second one on record in Texas. #txwx
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Rotation is clearly visible on radar in the columns of the #RossFire #txwx
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My goodness. We are doing this again. Bryson, TX needs to be watching this very closely! Likely 5 miles south of Hwy 380 moving quickly NNW.
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#RossFire is pissed off again tonight as winds increase for the second straight night. Fire continues to move north towards Hwy 380. 8:30pm
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Fire weather conditions are worsening at the #RossFire this morning. #txwx
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