Alert archive / Kansas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 209, NWS Goodland, KS

August 25, 2006Wallace County, Kansas; Cheyenne County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Aug 25, 2006, 12:08 PM MDT for Wallace County, Kansas; Cheyenne County, Colorado. It was in force for 67 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 25, 2006, 12:08 PM MDT (18:08 UTC)
Expired
Aug 25, 2006, 1:15 PM MDT
In force
67 min
Issued by
NWS Goodland, KS
Area
Counties, with a storm outline in the text

Counties Cheyenne County, CO, Wallace County, KS

The radar

The Goodland radar (KGLD), 69 km from the middle of the area, began a volume at 18:11 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 12:00Z, 6.1 hours before the alert went out and 234 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.

Skew-T log-pSkew-T log-p diagram, Dodge City, at 12:00Z on 2006-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1035 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2006-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1035 J/kg
Mixed-layer CIN
-145 J/kg
Mixed-layer LCL
1749 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
77 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

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 25, 2:00 AM MDT, 10 hours 8 minutes earlier.

Area forecast discussion, Aug 25, 2:00 AM MDT, 10 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
200 AM MDT FRI AUG 25 2006

.DISCUSSION...MID/UPPER RIDGE REMAINS PLANTED ACROSS TEXAS WITH ONE
SHORT WAVE TROUGH MOVING EAST ACROSS THE NORTHERN PLAINS AND ANOTHER
TROUGH BUILDING INTO THE GREAT BASIN AREA. A COLD FRONT WAS MOVING
RAPIDLY SOUTH ACROSS NORTHWEST KANSAS AND SHOULD MOVE SOUTH OF THE
FORECAST AREA PRIOR TO SUNRISE.

TODAY/TONIGHT...320K ISENTROPIC LIFT/H7 WAA WILL BE ON THE
INCREASE AS SFC BOUNDARY SETTLES SOUTH ACROSS SOUTHWEST KANSAS AND A
SHORT WAVE TROUGH LIFTS NORTHEAST AROUND H5 RIDGE OVER MID LEVEL
BAROCLINIC ZONE LOCATED ACROSS THE CENTRAL HIGH PLAINS. THIS ADDS
HIGH CONFIDENCE IN MUCH COOLER TEMPERATURES WITH LIMITED
INSOLATION/LOW LEVEL CAA IN POST FRONTAL UPSLOPE REGIME. HIGHS WILL
LIKELY REMAIN IN THE 70S ACROSS MUCH OF THE WESTERN ZONES. THE
DIFFICULTY FOR TODAY WILL BE PRECIPITATION COVERAGE THIS AFTERNOON.
THE AXIS OF SFC BASED INSTABILITY WILL BE SHUNTED SOUTH OF THE
FORECAST AREA ALONG/IMMEDIATELY BEHIND SURGING COLD FRONT. RIGHT
ENTRANCE REGION TO H3 JET/H7-H3 DIV Q SUPPORT POST-FRONTAL
PRECIPITATION AND INCREASED POPS BY LATE AFTERNOON CARRYING A LIKELY
MENTION ACROSS THE SOUTH/SOUTHEAST ZONES THROUGH THE EARLY EVENING
HOURS BEFORE THE FOCUS SHIFTS EAST/SOUTHEAST AWAY FROM THE AREA.

SATURDAY/SATURDAY NIGHT...SUBSIDENCE IS EXPECTED EARLY SATURDAY
BEFORE LARGE SCALE ASCENT INCREASES ACROSS THE WESTERN ZONES LATE IN
THE PERIOD AS POSITIVELY TILTED H5 TROUGH DEVELOPS EASTWARD INTO THE
ROCKIES. THEREFORE ADJUSTED POPS BY LOWERING THEM IN THE MORNING
HOURS AND REINTRODUCING THEM ACROSS THE WESTERN THIRD OF THE FORECAST
AREA LATE IN THE PERIOD AND CONTINUING A CHANCE MENTION THROUGH THE
OVERNIGHT HOURS. ANOTHER UNSEASONABLY COOL DAY IS EXPECTED WITH
HIGHS IN THE 70S ACROSS THE WEST AND AROUND 80 IN THE EAST.

SUNDAY/SUNDAY NIGHT...THE TROUGH OVER THE ROCKIES WILL TRANSLATE
EASTWARD INTO THE CENTRAL PLAINS BRINGING INCREASING CHANCES FOR
DEEP MOIST CONVECTION DURING BOTH PERIODS. UNSEASONABLY COOL
CONDITIONS WILL PERSIST WITH LIMITED INSOLATION/WIDESPREAD
PRECIPITATION POSSIBLE THROUGH SUNDAY NIGHT.

DAYS 4 THROUGH 7...NO CHANGES.

&&

.GLD WATCHES/WARNINGS/ADVISORIES...
KS...NONE.
NE...NONE.
CO...NONE.
&&

MCGUIRE
Hazardous weather outlook, Aug 25, 10:09 AM MDT, 1 hour 59 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1009 AM MDT FRI AUG 25 2006

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-261200-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
1109 AM CDT FRI AUG 25 2006 /1009 AM MDT FRI AUG 25 2006/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST
NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THERE WILL BE A CHANCE OF THUNDERSTORMS SATURDAY AFTERNOON AND
EVENING. SOME STORMS MAY BECOME SEVERE IN NORTHEAST COLORADO.

THUNDERSTORM CHANCES WILL CONTINUE INTO SUNDAY...HOWEVER AT THIS
TIME STORMS ARE NOT EXPECTED TO BECOME SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.

MCGUIRE/JDK

In the hours before

Special weather statement, Aug 25, 12:06 PM MDT, 2 minutes before
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Nearby

Severe Thunderstorm Warnings in Kansas, 2006Severe Thunderstorm Warnings in Colorado, 2006Every severe thunderstorm warning in 2006

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.