Alert archive / Colorado / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 1, NWS Grand Junction, CO
NWS Grand Junction, CO issued this severe thunderstorm warning at May 30, 2005, 11:33 AM MDT for Moffat County, Colorado. It was in force for 47 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 30, 2005, 11:33 AM MDT (17:33 UTC)
- Expired
- May 30, 2005, 12:20 PM MDT
- In force
- 47 min
- Issued by
- NWS Grand Junction, CO
- Area
- Counties, with a storm outline in the text
County Moffat County, CO
The radar
The Grand Junction radar (KGJX), 173 km from the middle of the area, began a volume at 17:35 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 30, 10:45 AM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 12:00Z, 5.6 hours before the alert went out and 312 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 100 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1001 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 30, 3:14 AM MDT, 8 hours 19 minutes earlier.
Area forecast discussion, May 30, 3:14 AM MDT, 8 hours 19 minutes before
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</html>Hazardous weather outlook, May 30, 11:14 AM MDT, 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 1114 AM MDT MON MAY 30 2005 COZ001>014-017>023-UTZ023>025-027-311200- ANIMAS RIVER BASIN-ARCHES/GRAND FLAT-CENTRAL COLORADO RIVER BASIN- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN- CENTRAL YAMPA RIVER BASIN-DEBEQUE TO SILT CORRIDOR- EASTERN UINTA BASIN-EASTERN UINTA MOUNTAINS- ELKHEAD AND PARK MOUNTAINS-FLAT TOPS- FOUR CORNERS/UPPER DOLORES RIVER- GORE AND ELK MOUNTAINS/CENTRAL MOUNTAINS-GRAND AND BATTLEMENT MESAS- GRAND VALLEY-LOWER YAMPA RIVER BASIN-NORTHWEST SAN JUAN MOUNTAINS- PARADOX VALLEY/LOWER DOLORES RIVER-ROAN AND TAVAPUTS PLATEAUS- SAN JUAN RIVER BASIN-SOUTHWEST SAN JUAN MOUNTAINS-TAVAPUTS PLATEAU- UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-UPPER GUNNISON RIVER VALLEY- UPPER YAMPA RIVER BASIN-WEST ELK AND SAWATCH MOUNTAINS- 1114 AM MDT MON MAY 30 2005 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 5:00 PM MDT... ...FLOOD WARNINGS AND WATCHES REMAIN IN EFFECT UNTIL 6 PM MDT... THIS HAZARDOUS WEATHER OUTLOOK ALL OF WESTERN COLORADO AND EASTERN UTAH WITH THE EXCEPTION OF SAN JUAN COUNTY UTAH. .DAY ONE...TODAY AND TONIGHT... THE RISK OF STRONG TO SEVERE THUNDERSTORMS EXISTS THROUGH LATE THIS AFTERNOON. THE POTENTIAL OF LARGE HAIL...STRONG DAMAGING WIND AND EVEN ISOLATED TORNADOES WILL EXIST AS A VIGOROUS UPPER LEVEL STORM MOVES ACROSS UTAH AND COLORADO THROUGH THIS EVENING. MEANWHILE...MANY RIVERS...STREAMS AND CREEKS WILL CONTINUE TO RUN NEAR BANKFULL...WITH A FEW OVER-SPILLING THEIR BANKS DURING THE LATE EVENING HOURS. FOR ALL THE LATEST WATCHES...WARNINGS OR ADVISORIES... VISIT THE GRAND JUNCTION WEATHER SERVICE WEBSITE AT: WEATHER.GOV/GJT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... THE THREAT OF ISOLATED TO SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL OCCUR OVER THE MOUNTAINS EACH DAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE ACTIVATED TODAY...THROUGH EARLY THIS EVENING. SPOTTER SHOULD BE ON THE LOOK OUT FOR SEVERE THUNDERSTORMS CAPABLE OR PRODUCING LARGE HAIL...STRONG DAMAGING WINDS AND POSSIBLE TORNADOES. UTZ022-028-029-311200- CANYONLANDS/NATURAL BRIDGES-LA SAL AND ABAJO MOUNTAINS- SOUTHEAST UTAH- 1114 AM MDT MON MAY 30 2005 ...FLOOD WARNINGS AND WATCHES REMAIN IN EFFECT UNTIL 6 PM MDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEAST UTAH. .DAY ONE...TODAY AND TONIGHT... SCATTERED THUNDERSTORMS WILL OCCUR THROUGH LATE THIS AFTERNOON. ISOLATED STORMS COULD PRODUCE STRONG WIND GUSTS. MEANWHILE...MANY RIVERS...STREAMS AND CREEKS WILL BE RUNNING NEAR BANKFULL WITH A FEW OVER-SPILLING THEIR BANKS DURING THE LATE EVENING HOURS. VISIT THE NATIONAL WEATHER SERVICE GRAND JUNCTION WEBSITE FOR FURTHER INFORMATION AT WEATHER.GOV/GJT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... ISOLATED TO SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL OCCUR OVER THE MOUNTAINS EACH DAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION SHOULD NOT BE NEEDED OVER SAN JUAN COUNTY UTAH THIS AFTERNOON AND EVENING. HOWEVER...SPOTTERS ARE ENCOURAGED TO REPORT ANY FLOODING ALONG RIVERS...STREAMS AND CREEKS...OR UNUSUAL THUNDERSTORM ACTIVITY. DJN/TAL/NL
The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 12:26 PM MDT | Severe Thunderstorm Warning | GJT | Moffat | 49 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2005Every severe thunderstorm warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.