Alert archive / Colorado / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 249, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Aug 1, 2008, 5:29 PM MDT for Yuma County, Colorado. It was in force for 41 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
- Aug 1, 2008, 5:29 PM MDT (23:29 UTC)
- Expired
- Aug 1, 2008, 6:10 PM MDT
- In force
- 41 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
County Yuma County, CO
The radar
The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 23:28 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
Denver, CO (KDNR), launched 12:00Z, 11.5 hours before the alert went out and 70 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2873 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 35 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 Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 1, 1:55 PM MDT, 3 hours 34 minutes earlier.
Area forecast discussion, Aug 1, 1:55 PM MDT, 3 hours 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
155 PM MDT FRI AUG 1 2008
.SHORT TERM... (TONIGHT - MONDAY)
155 PM MDT FRI AUG 1 2008
UPPER RIDGE WILL BUILD ACROSS THE CENTRAL PLAINS THIS PERIOD. HOT
AND DRY WILL BE THE MAIN WEATHER STORY...THOUGH HAVE INTRODUCED SOME
LOW POPS ACROSS THE FAR NORTHWEST COUNTIES BOTH SATURDAY AND SUNDAY
WHERE CONVERGENCE ALONG THE LEE TROUGH MAY BE ENOUGH TO BREAK THE
STRONG CAP. AS FOR THE HIGHLIGHTS...RELIED HEAVILY ON SREF 2M MEAN
DEW POINTS WHICH YIELD RH VALUES IN THE MID TO UPPER TEENS DURING
PEAK HEATING HOURS. MOS GUIDANCE HAS SUSTAINED WINDS NEAR 20KTS JUST
ABOUT EVERYWHERE ON SATURDAY...SHIFTING A BIT FURTHER EAST ON
SUNDAY. FIRE WEATHER HIGHLIGHTS LOOK ON TRACK...MAY NEED TO ISSUE A
WATCH FOR SUNDAY AND EVENTUALLY MONDAY. DUE TO THE LOW DEW POINTS
AND RH...STILL CANNOT REACH HEAT ADVISORY THRESHOLD OF 105F HEAT
INDEX DESPITE AIR TEMPERATURES WELL INTO THE TRIPLE DIGITS FOR 3
CONSECUTIVE DAYS. COLD FRONT WILL BE APPROACHING NEBRASKA COUNTIES
MONDAY AFTERNOON...AND GFS BREAKS OUT PLENTY OF PRECIP WITH THE
FRONT MONDAY NIGHT. WILL BUMP UP POPS A TAD FOR THAT TIME PERIOD.
.LONG TERM... (TUESDAY - FRIDAY)
155 PM MDT FRI AUG 1 2008
RIDGE WILL BREAK DOWN EARLY THIS PERIOD AS THE FLOW AMPLIFIES. RIDGE
WILL BUILD OVER THE GREAT BASIN...WHILE STRONG TROUGH WILL DIG INTO
THE GREAT LAKES AREA. EC AND GFS BOTH SHOWING AN AMPLIFIED PATTERN
BY THE END OF THE WEEK. THIS WILL PLACE THE LOCAL FORECAST UNDER
NORTHWEST FLOW ALOFT...TYPICALLY AN ACTIVE PATTERN FOR
THUNDERSTORMS. SEVERAL DISTURBANCES WILL BE ROTATING THROUGH THE
NORTHERN AND CENTRAL PLAINS AROUND THE LARGE TROUGH TO THE EAST.
THIS SHOULD RESULT IN A PERSISTENT NORTHEASTERLY SURFACE FLOW ACROSS
THE AREA AND COOLER TEMPERATURES. AS A RESULT...THE EXTENDED
FORECAST PERIOD WILL BE ON THE WET AND COOL SIDE.
24
&&
.AVIATION...
1140 AM MDT FRI AUG 1 2008
FOR 18Z TAFS...VFR CONDITIONS WILL PREVAIL THROUGH THIS TAF PERIOD
WITH FEW-SCT MID AND HIGH LEVEL CLOUDS. SOUTH TO SOUTHWEST WIND AT
15 TO 25 MPH SHOULD DEVELOP THIS AFTERNOON AND THEN DECREASE SOME
OVERNIGHT.
FS
&&
.GLD WATCHES/WARNINGS/ADVISORIES...
KS...FIRE WEATHER WATCH FROM SATURDAY AFTERNOON THROUGH SATURDAY
EVENING FOR KSZ001>004-013>016-027>029-041-042.
RED FLAG WARNING UNTIL 8 PM MDT /9 PM CDT/ THIS EVENING FOR
KSZ001-013-027-028-041-042.
NE...FIRE WEATHER WATCH FROM SATURDAY AFTERNOON THROUGH SATURDAY
EVENING FOR NEZ079>081.
CO...FIRE WEATHER WATCH FROM SATURDAY AFTERNOON THROUGH SATURDAY
EVENING FOR COZ252>254.
RED FLAG WARNING UNTIL 8 PM MDT THIS EVENING FOR COZ252>254.
&&Hazardous weather outlook, Aug 1, 10:34 AM MDT, 6 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GOODLAND KS 1034 AM MDT FRI AUG 1 2008 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-021215- YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON- SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA- DUNDY-HITCHCOCK-RED WILLOW- 1034 AM MDT FRI AUG 1 2008 /1134 AM CDT FRI AUG 1 2008/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO. .DAY ONE...THIS AFTERNOON AND TONIGHT A RED FLAG WARNING HAS BEEN ISSUED FOR EXTREME FIRE DANGER CONDITIONS TODAY ACROSS THE WESTERN PORTION OF THE TRI-STATE REGION. HIGH TEMPERATURES THIS AFTERNOON BETWEEN 100 AND 105 DEGREES ARE EXPECTED ALONG WITH RELATIVE HUMIDITIES LESS THAN 20 PERCENT AND WINDS BETWEEN 15 AND 25 MPH. EXTREME FIRE DANGER MEANS THAT FIRES START QUICKLY...SPREAD FURIOUSLY AND BURN INTENSELY. ALL FIRES ARE POTENTIALLY SERIOUS. ALL OUTDOOR BURNING SHOULD BE AVOIDED IN AREAS WITH EXTREME FIRE DANGER. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY AREAS OF EXTREME FIRE DANGER WILL RETURN SATURDAY AND SUNDAY AFTERNOON WITH HIGH TEMPERATURES BETWEEN 100 AND 105...GUSTY SOUTH WINDS BETWEEN 20 AND 30 MPH...AND RELATIVE HUMIDITIES DROPPING TO 20 PERCENT OR LESS. ANY OUTDOOR BURNING SHOULD BE AVOIDED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY OR TONIGHT. FS
In the hours before
Local storm report, Aug 1, 5:21 PM MDT, 8 minutes before
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</html>The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 3:29 AM MDT | Red Flag Warning | GLD | Cheyenne, Greeley, Logan, Sherman, Wallace, Wichita | 16 hr |
| Aug 1, 5:12 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 33 min |
| Aug 1, 4:56 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 34 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 2008Every severe thunderstorm warning in 2008
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.