Alert archive / Montana / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 23, NWS Great Falls, MT

July 27, 2023Lewis and Clark County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 27, 2023, 5:12 PM MDT for Lewis and Clark County, Montana. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 27, 2023, 5:12 PM MDT (23:12 UTC)
Expired: Jul 27, 2023, 5:45 PM MDT
In force: 33 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Lewis and Clark County, MT

The radar

The Great Falls radar (KTFX), 85 km from the middle of the area, began a volume at 23:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 26, 5:40 PM MDT, 23 hours 32 minutes earlier.

Area forecast discussion, Jul 26, 5:40 PM MDT, 23 hours 32 minutes before

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The office that day

Everything else NWS Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 2:43 PM MDT	Special Weather Statement	TFX	Gallatin	47 min
Jul 27, 3:20 PM MDT	Special Weather Statement	TFX	Madison	40 min
Jul 27, 4:09 PM MDT	Special Weather Statement	TFX	Jefferson	36 min
Jul 27, 4:40 PM MDT	Special Weather Statement	TFX	Jefferson	35 min
Jul 27, 4:50 PM MDT	Special Weather Statement	TFX	Broadwater	25 min
Jul 27, 5:24 PM MDT	Special Weather Statement	TFX	Cascade	51 min
Jul 27, 5:26 PM MDT	Special Weather Statement	TFX	Broadwater	49 min
Jul 27, 5:45 PM MDT	Special Weather Statement	TFX	Lewis and Clark	45 min

Nearby

Severe Thunderstorm Warnings in Montana, 2023 Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.