Alert archive / Montana / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 45, NWS Glasgow, MT

July 8, 2013McCone County, Roosevelt County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jul 8, 2013, 12:19 AM MDT for McCone County, Roosevelt County, Montana. It was in force for 26 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 8, 2013, 12:19 AM MDT (06:19 UTC)
Expired: Jul 8, 2013, 12:45 AM MDT
In force: 26 min
Issued by: NWS Glasgow, MT
Area: Storm-based polygon

Counties McCone County, MT, Roosevelt County, MT

The radar

The Glasgow radar (KGGW), 94 km from the middle of the area, began a volume at 06:21 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 Glasgow, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 7, 11:21 PM MDT, 58 minutes earlier.

Area forecast discussion, Jul 7, 11:21 PM MDT, 58 minutes before

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Hazardous weather outlook, Jul 7, 2:50 PM MDT, 9 hours 29 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GLASGOW MT
250 PM MDT SUN JUL 7 2013

MTZ016>027-059>062-081000-
CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
DANIELS-SHERIDAN-WESTERN ROOSEVELT-PETROLEUM-GARFIELD-MCCONE-
RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
SOUTHWEST PHILLIPS-NORTHERN VALLEY-EASTERN ROOSEVELT-
250 PM MDT SUN JUL 7 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE POSSIBLE AS A WEAK FRONT LIFTS NORTH ACROSS
MONTANA. SOME OF THE STRONGER STORMS MAY PRODUCE HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

CHANCES FOR SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE
THROUGH TUESDAY AS LOW PRESSURE SYSTEM REMAINS IN THE AREA. THE
POTENTIAL EXISTS FOR STRONG TO SEVERE THUNDERSTORMS ON MONDAY
WITH STRONG WINDS AND HAIL.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Special weather statement, Jul 7, 8:54 PM MDT, 3 hours 25 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GLASGOW MT
854 PM MDT SUN JUL 7 2013

MTZ059-061-080400-
PHILLIPS-VALLEY-
854 PM MDT SUN JUL 7 2013

THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A

SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHERN VALLEY COUNTY IN NORTHEAST MONTANA...
  NORTHEASTERN PHILLIPS COUNTY IN NORTHEAST MONTANA...

UNTIL 1000 PM MDT.

AT 849 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 23 MILES NORTHEAST OF WHITEWATER...MOVING
SOUTHEAST AT 25 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...OPHEIM.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
INTERNET...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE
NATIONAL WEATHER SERVICE.

LAT...LON 4901 10669 4890 10635 4857 10670 4857 10672
      4895 10741 4901 10733
TIME...MOT...LOC 0253Z 298DEG 21KT 4894 10718

GAH
WEATHER.GOV/GLASGOW

Local storm report, Jul 7, 10:36 PM MDT, 1 hour 43 minutes before

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Local storm report, Jul 7, 10:39 PM MDT, 1 hour 40 minutes before

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Special weather statement, Jul 7, 10:55 PM MDT, 1 hour 24 minutes before

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Local storm report, Jul 7, 11:33 PM MDT, 46 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 8:10 PM MDT	Severe Thunderstorm Warning	GGW	Phillips, Valley	50 min
Jul 7, 8:54 PM MDT	Special Weather Statement	GGW	Valley	66 min
Jul 7, 9:13 PM MDT	Severe Thunderstorm Warning	GGW	Valley	62 min
Jul 7, 10:12 PM MDT	Severe Thunderstorm Warning	GGW	Valley	48 min
Jul 7, 10:55 PM MDT	Special Weather Statement	GGW	Valley	65 min
Jul 8, 12:41 AM MDT	Special Weather Statement	GGW	Roosevelt	64 min
Jul 8, 1:57 AM MDT	Areal Flood Advisory	GGW	McCone, Richland, Roosevelt	3 hr
Jul 8, 12:26 PM MDT	Special Weather Statement	GGW	Phillips	64 min
Jul 8, 1:17 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Phillips, Valley	58 min
Jul 8, 2:10 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Valley	65 min
Jul 8, 3:11 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, McCone	64 min
Jul 8, 4:01 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Petroleum	59 min
Jul 8, 4:10 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, McCone, Prairie	65 min
Jul 8, 4:29 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, McCone, Richland	61 min
Jul 8, 5:09 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, Prairie	66 min
Jul 8, 5:23 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, Richland, Wibaux	52 min
Jul 8, 5:50 PM MDT	Flash Flood Warning	GGW	Dawson	3 hr

Nearby

Severe Thunderstorm Warnings in Montana, 2013 Every severe thunderstorm warning in 2013

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.