Alert archive / Colorado / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 2, NWS Grand Junction, CO

May 25, 2023Moffat County, Rio Blanco County, Colorado

NWS Grand Junction, CO issued this severe thunderstorm warning at May 25, 2023, 2:57 PM MDT for Moffat County, Rio Blanco County, Colorado. 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: May 25, 2023, 2:57 PM MDT (20:57 UTC)
Expired: May 25, 2023, 3:30 PM MDT
In force: 33 min
Issued by: NWS Grand Junction, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Moffat County, CO, Rio Blanco County, CO

The radar

The Grand Junction radar (KGJX), 138 km from the middle of the area, began a volume at 20:59 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 Grand Junction, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at May 25, 2:52 PM MDT, 5 minutes earlier.

Area forecast discussion, May 25, 2:52 PM MDT, 5 minutes before

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Hazardous weather outlook, May 25, 3:02 AM MDT, 11 hours 55 minutes before

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In the hours before

Special weather statement, May 25, 1:49 PM MDT, 1 hour 8 minutes before

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Special weather statement, May 25, 2:16 PM MDT, 41 minutes before

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Special weather statement, May 25, 2:18 PM MDT, 39 minutes before

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Local storm report, May 25, 2:39 PM MDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
239 PM MDT THU MAY 25 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0210 PM     TSTM WND GST     2 NW MONTROSE           38.51N 107.90W
05/25/2023  M48 MPH          MONTROSE           CO   ASOS

&&

GJT

Special weather statement, May 25, 2:48 PM MDT, 9 minutes before

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Special weather statement, May 25, 2:49 PM MDT, 8 minutes before

Special Weather Statement
National Weather Service Grand Junction CO
249 PM MDT Thu May 25 2023

COZ002-252115-
Central Yampa River Basin CO-
249 PM MDT Thu May 25 2023

...A strong thunderstorm will impact portions of central Moffat
County through 315 PM MDT...

At 249 PM MDT, Doppler radar was tracking a strong thunderstorm 23
miles west of Craig, moving north at 15 mph.

HAZARD...Winds in excess of 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of central Moffat
County, including the following locations... Lay and Maybell.

This includes the following highways...
 U.S. Highway 40 in Colorado between mile markers 59 and 75.
 Colorado 318 near mile marker 60.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4044 10789 4048 10811 4073 10810 4067 10776
TIME...MOT...LOC 2049Z 194DEG 12KT 4051 10800

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

MDA

The office that day

Everything else NWS Grand Junction, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 24, 6:04 PM MDT	Special Weather Statement	GJT	Routt	41 min
May 24, 6:34 PM MDT	Special Weather Statement	GJT	Rio Blanco	26 min
May 24, 7:09 PM MDT	Special Weather Statement	GJT	Rio Blanco	36 min
May 24, 7:49 PM MDT	Special Weather Statement	GJT	Rio Blanco	26 min
May 25, 12:39 PM MDT	River Flood Watch	GJT	Delta, Garfield, Mesa	11 days
May 25, 2:18 PM MDT	Special Weather Statement	GJT	Moffat	27 min
May 25, 2:48 PM MDT	Special Weather Statement	GJT	Rio Blanco	27 min
May 25, 2:49 PM MDT	Special Weather Statement	GJT	Moffat	26 min
May 25, 3:29 PM MDT	Special Weather Statement	GJT	Moffat	31 min
May 25, 1:42 PM MDT	Special Weather Statement	GJT	Uintah	33 min
May 25, 1:44 PM MDT	Special Weather Statement	GJT	Uintah	31 min
May 25, 1:49 PM MDT	Special Weather Statement	GJT	Uintah	26 min
May 25, 2:16 PM MDT	Special Weather Statement	GJT	Uintah	29 min
May 25, 5:41 PM MDT	Special Weather Statement	GJT	Daggett	34 min

Nearby

Severe Thunderstorm Warnings in Colorado, 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.