Alert archive / Colorado / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 191, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 27, 2009, 6:22 PM MDT for Lincoln County, Colorado. It was in force for 25 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, 2009, 6:22 PM MDT (00:22 UTC)
- Expired
- Jul 27, 2009, 6:47 PM MDT
- In force
- 25 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
County Lincoln County, CO
The radar
The Pueblo radar (KPUX), 82 km from the middle of the area, began a volume at 00:25 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 nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 0.4 hours before the alert went out and 343 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
- 1088 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1512 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 Denver/Boulder, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 27, 2:55 PM MDT, 3 hours 27 minutes earlier.
Area forecast discussion, Jul 27, 2:55 PM MDT, 3 hours 27 minutes before
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</html>Hazardous weather outlook, Jul 27, 11:11 AM MDT, 7 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER CO 1111 AM MDT MON JUL 27 2009 COZ030>051-281200- JACKSON COUNTY BELOW 9000 FEET-WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR CREEK/ SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY-LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/ EAST BROOMFIELD COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 1111 AM MDT MON JUL 27 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT A COLD FRONT COMBINED WITH AN UPPER LEVEL DISTURBANCE WILL PRODUCE WIDESPREAD SHOWERS AND THUNDERSTORMS ACROSS THE REGION BY LATE THIS AFTERNOON AND TONIGHT. THE GREATEST THREAT FROM THE STORMS WILL BE HEAVY RAIN. THE BEST CHANCE FOR HEAVY RAIN WILL BE OVER THE NORTHEAST PLAINS WHERE 1 TO 2 INCHES OF RAIN COULD FALL WITH A STRONG THUNDERSTORM. GUSTY WINDS AND SMALL HAIL MAY ALSO ACCOMPANY STRONGER STORMS. ALTHOUGH THERE IS A THREAT OF SEVERE THUNDERSTORMS ...THE OVERALL THREAT WILL BE LOW. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY TUESDAY WILL BE COOL AND SHOWERY ACROSS THE NORTHEAST PLAINS AND FOOTHILLS AS THE UPPER LEVEL DISTURBANCE AND COLD FRONT REMAINS OVER THE STATE. HIGH COUNTRY LOCATIONS WILL ESCAPE THIS SURGE OF COOL AIR...BUT DAYTIME HEATING WILL PRODUCE THE USUAL ROUND OF AFTERNOON AND EVENING THUNDERSTORMS. ANOTHER WEATHER DISTURBANCE AND COLD FRONT WILL MOVE ACROSS THE REGION ON WEDNESDAY PRODUCING ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS...AS WELL AS UNSEASONABLY COOL UPSLOPE CONDITIONS THROUGH THURSDAY. SOMEWHAT DRIER AND WARMER CONDITIONS ARE EXPECTED TO RETURN TO THE AREA BY FRIDAY AND CONTINUE THROUGH THE WEEKEND WITH HIGH PRESSURE BUILDING IN FROM THE WEST. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. COOPER/DANKERS
In the hours before
Local storm report, Jul 27, 3:15 PM MDT, 3 hours 7 minutes before
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</html>Local storm report, Jul 27, 3:57 PM MDT, 2 hours 25 minutes before
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</html>Local storm report, Jul 27, 5:36 PM MDT, 46 minutes before
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</html>Local storm report, Jul 27, 5:38 PM MDT, 44 minutes before
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</html>Local storm report, Jul 27, 5:52 PM MDT, 30 minutes before
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</html>Local storm report, Jul 27, 5:58 PM MDT, 24 minutes before
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</html>Nearby
Severe Thunderstorm Warnings in Colorado, 2009Every severe thunderstorm warning in 2009
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.