Alert archive / Utah / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 12, NWS Grand Junction, CO
NWS Grand Junction, CO issued this severe thunderstorm warning at Jun 6, 2015, 3:11 PM MDT for San Juan County, Utah. It was in force for 19 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
- Jun 6, 2015, 3:11 PM MDT (21:11 UTC)
- Expired
- Jun 6, 2015, 3:30 PM MDT
- In force
- 19 min
- Issued by
- NWS Grand Junction, CO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County San Juan County, UT
The radar
The Grand Junction radar (KGJX), 212 km from the middle of the area, began a volume at 21:10 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 Jun 6, 11:52 AM MDT, 3 hours 19 minutes earlier.
Area forecast discussion, Jun 6, 11:52 AM MDT, 3 hours 19 minutes before
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</html>Hazardous weather outlook, Jun 6, 7:31 AM MDT, 7 hours 40 minutes before
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
In the hours before
Special weather statement, Jun 6, 9:57 AM MDT, 5 hours 14 minutes before
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</html>Local storm report, Jun 6, 10:34 AM MDT, 4 hours 37 minutes before
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</html>Local storm report, Jun 6, 12:52 PM MDT, 2 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1252 PM MDT SAT JUN 06 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1039 AM HEAVY RAIN VALLEY OF THE GODS 37.27N 109.92W
06/06/2015 M0.92 INCH SAN JUAN UT TRAINED SPOTTER
RAINFALL SINCE MIDNIGHT OVER THE LAST 10 HOURS AS OF 10
AM.
&&
EVENT NUMBER GJT1500788
MALEKSASpecial weather statement, Jun 6, 2:20 PM MDT, 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
220 PM MDT SAT JUN 6 2015
COZ019-062045-
SOUTHWEST SAN JUAN MOUNTAINS CO-
220 PM MDT SAT JUN 6 2015
...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL ARCHULETA COUNTY
UNTIL 245 PM MDT...
AT 219 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 21
MILES SOUTHEAST OF WOLF CREEK PASS...OR 24 MILES NORTH OF CHAMA...
MOVING NORTHEAST AT 45 MPH.
DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.
THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF EAST CENTRAL
ARCHULETA COUNTY.
LAT...LON 3713 10679 3728 10668 3723 10668 3719 10660
3714 10659 3705 10652
TIME...MOT...LOC 2019Z 209DEG 38KT 3725 10655
JAMSpecial weather statement, Jun 6, 2:28 PM MDT, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
228 PM MDT SAT JUN 6 2015
UTZ029-062100-
CANYONLANDS/NATURAL BRIDGES UT-
228 PM MDT SAT JUN 6 2015
...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL SAN JUAN COUNTY
UNTIL 300 PM MDT...
AT 228 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 13
MILES EAST OF TICABOO...OR 41 MILES NORTHWEST OF MEXICAN HAT...MOVING
NORTHEAST AT 30 MPH.
NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.
THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF WEST CENTRAL SAN
JUAN COUNTY.
LAT...LON 3745 11053 3762 11053 3762 11046 3764 11046
3764 11044 3766 11044 3767 11038 3777 11038
3777 11034 3781 11034 3758 11012 3744 11054
3745 11054
TIME...MOT...LOC 2028Z 236DEG 28KT 3757 11044
JAMLocal storm report, Jun 6, 2:53 PM MDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
253 PM MDT SAT JUN 06 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0230 PM HEAVY RAIN 2 NW ARRIOLA 37.46N 108.68W
06/06/2015 M1.23 INCH MONTEZUMA CO TRAINED SPOTTER
STORM TOTAL RAINFALL SO FAR SINCE YESTERDAY.
&&
EVENT NUMBER GJT1500789
MALEKSAThe office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 9:57 AM MDT | Special Weather Statement | GJT | La Plata | 33 min |
| Jun 6, 12:18 PM MDT | River Flood Advisory | GJT | Pitkin | 18 days |
| Jun 6, 2:07 PM MDT | Areal Flood Advisory | GJT | Archuleta | 6 hr |
| Jun 6, 2:20 PM MDT | Special Weather Statement | GJT | Archuleta | 25 min |
| Jun 6, 3:23 PM MDT | Special Weather Statement | GJT | 22 min | |
| Jun 6, 3:31 PM MDT | Special Weather Statement | GJT | 29 min | |
| Jun 6, 3:46 PM MDT | Special Weather Statement | GJT | Archuleta | 44 min |
| Jun 6, 2:31 AM MDT | Areal Flood Advisory | GJT | Grand | 6 hr |
| Jun 6, 8:31 AM MDT | Areal Flood Advisory | GJT | Grand | 12 hr |
| Jun 6, 1:45 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 30 min |
| Jun 6, 2:28 PM MDT | Special Weather Statement | GJT | San Juan | 32 min |
| Jun 6, 3:34 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 15 min |
| Jun 6, 4:19 PM MDT | Special Weather Statement | GJT | San Juan | 41 min |
| Jun 6, 5:13 PM MDT | Areal Flood Advisory | GJT | San Juan | 6 hr |
| Jun 6, 5:18 PM MDT | Special Weather Statement | GJT | San Juan | 42 min |
| Jun 6, 5:59 PM MDT | Special Weather Statement | GJT | San Juan | 46 min |
Nearby
Severe Thunderstorm Warnings in Utah, 2015Every severe thunderstorm warning in 2015
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.