Alert archive / Colorado / Flash Flood Warnings in 2010

Flash Flood Warning 18, NWS Goodland, KS

July 2, 2010Kit Carson County, Yuma County, Colorado

NWS Goodland, KS issued this flash flood warning at Jul 2, 2010, 6:22 PM MDT for Kit Carson County, Yuma County, Colorado. It was in force for 3 hr. 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 2, 2010, 6:22 PM MDT (00:22 UTC)
Expired
Jul 2, 2010, 9:30 PM MDT
In force
3 hr
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Flood severity
None

Counties Kit Carson County, CO, Yuma County, CO

The radar

The Goodland radar (KGLD), 77 km from the middle of the area, began a volume at 00:23 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 flash flood 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 flash flood warning went out at Jul 2, 5:04 PM MDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 2, 5:04 PM MDT, 1 hour 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
504 PM MDT FRI JUL 2 2010

.DISCUSSION...
221 PM MDT FRI JUL 2 2010

MOIST TROPICAL PLUME EVIDENT ON WATER VAPOR SATELLITE IMAGE REMAINS
CONFINED TO SOUTHERN KANSAS AND POINTS SOUTH WHERE PWATS RANGED FROM
175-195% OF NORMAL. WIDELY SCT TSRA WAS ALSO DEVELOPING ALONG THE
FAVORED TERRAIN OF E CO EARLY THIS AFTERNOON AND WILL MAINTAIN SCT
POPS ACROSS THE FAR WESTERN ZONES THROUGH THE EVENING HOURS.

THE SFC TROUGH AXIS ACROSS E CO WILL BECOME A FOCUS FOR TSRA SAT
AFTER 19-20Z AND ADJUSTED POPS TO BETTER REFLECT ANTICIPATED
DEVELOPMENT. MAINTAINED MID POPS WEIGHTED ACROSS THE NORTHERN ZONES
THROUGH 03Z AS ACTIVITY DRIFTS NORTHEAST WHILE KEEPING LOW
PROBABILITIES THROUGH THE REMAINDER OF THE NIGHT. MARGINAL
FORCING/PROGGED CINH SHOULD INHIBIT WIDESPREAD TSRA THROUGH THE
PERIOD.

SUN-MON...LARGE SCALE FORCING FOR ASCENT WILL ARRIVE SUN-SUN NIGHT
DOWNSTREAM OF MID/UPPER TROUGH AS IS TRANSLATES EAST/NORTHEAST IN
PIECES ACROSS THE GREAT PLAINS STATES. UNCERTAINTY IN TIMING BETWEEN
GFS/ECMWF DOESN'T SUPPORT MAKING BIG CHANGES AT THIS POINT. DEEP
MOIST CONVECTION IS ANTICIPATED SUNDAY AFTERNOON/EVENING WITHIN
CHANNEL OF BACKED FLOW NORTH/NORTHEAST OF SFC LOW ACROSS THE
TRI-STATE AREA. AS THE MAIN TROUGH LIFTS OVER THE AREA SUN NIGHT,
HEAVY RAIN REMAINS A CONCERN GIVEN MOIST COLUMN.

DAYS 4 THROUGH 7 (TUE-FRI)...AT THE START OF THE PERIOD, MAINTAINED
LOW PROBABILITIES FOR DEEP MOIST CONVECTION AS MOIST EASTERLY FLOW
PREVAILS ACROSS THE CENTRAL HIGH PLAINS. THIS SCENARIO WOULD FAVOR
LATE AFTERNOON/EVENING THUNDERSTORMS ROLLING EAST OFF THE FAVORED
TERRAIN ACROSS E CO. MIDWEEK FROPA TIMING REMAINS UNCERTAIN WITH THE
GFS MUCH MORE PROGRESSIVE WHEN COMPARED TO THE ECMWF. THIS FORECAST
WILL FAVOR THE SLOWER FROPA OR THE ECMWF SUPPORTING SEASONABLY COOL
TEMPERATURES AND CONTINUED CHANCES FOR TSRA THROUGH MUCH OF THE
UPCOMING WEEK.

&&

.AVIATION...
504 PM MDT FRI JUL 2 2010

FOR THE 00Z TAF...GUSTY SOUTH WIND IN ADVANCE OF A TROUGH OVER
EASTERN COLORADO WILL CONTINUE A FEW HOURS THIS EVENING AND THEN
DECREASE SOME OVERNIGHT. CURRENT KGLD RADAR GETTING RETURNS ON
STORMS NEAR THIS TROUGH. CURRENT MOVEMENT INDICATES THAT THERE IS A
CHANCE OF STORMS IMPACTING KGLD BUT KMCK IS UNLIKELY. SOUTH WIND
WILL BRING IN INCREASING BOUNDARY LAYER RH EARLY SAT MORNING SO HAVE
INTRODUCED SOME MVFR CONDITIONS AT KGLD AND KMCK. STRATUS SHOULD
LIFT BY MID MORNING. GUSTY WINDS WILL RESUME SATURDAY WITH THE
TROUGH IN EASTERN COLORADO AND MORE STORMS EXPECTED.

FS

&&

.GLD WATCHES/WARNINGS/ADVISORIES...
KS...WIND ADVISORY FROM 9 AM MDT /10 AM CDT/ THIS MORNING TO 9 PM MDT
     /10 PM CDT/ THIS EVENING FOR KSZ001>003-013>015-027-028.

NE...WIND ADVISORY FROM 9 AM MDT /10 AM CDT/ THIS MORNING TO 9 PM MDT
     /10 PM CDT/ THIS EVENING FOR NEZ079>081.

CO...WIND ADVISORY FROM 9 AM THIS MORNING TO 9 PM MDT THIS EVENING
     FOR COZ090-091.

&&
Hazardous weather outlook, Jul 2, 10:43 AM MDT, 7 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1043 AM MDT FRI JUL 2 2010

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-031215-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
1043 AM MDT FRI JUL 2 2010 /1143 AM CDT FRI JUL 2 2010/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A WIND ADVISORY REMAINS IN EFFECT THROUGH 9 PM MDT FOR LOCATIONS
GENERALLY ALONG AND NORTH OF A LINE FROM WILD HORSE COLORADO TO
HOXIE KANSAS. SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO AROUND
45 MPH WILL BE POSSIBLE.

AN ISOLATED SEVERE THUNDERSTORM OR TWO ARE POSSIBLE THIS AFTERNOON
AND EVENING GENERALLY WEST OF A LINE FROM WRAY TO KIT CARSON
COLORADO. DAMAGING WINDS WILL BE THE PRIMARY THREAT BUT ISOLATED
LARGE HAIL AND LOCALLY HEAVY RAIN WILL ALSO BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

STRONG TO SEVERE THUNDERSTORMS ARE AGAIN POSSIBLE ACROSS MUCH OF
THE AREA BOTH SATURDAY AND SUNDAY AS AN UPPER LEVEL TROUGH AND
COLD FRONT MOVE TOWARD THE AREA. LARGE HAIL...DAMAGING WINDS AND
LOCALLY HEAVY RAIN WILL BE THE PRIMARY THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL MOST LIKELY NOT BE NEEDED THROUGH TONIGHT.

In the hours before

Special weather statement, Jul 2, 3:29 PM MDT, 2 hours 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
329 PM MDT FRI JUL 2 2010

COZ090-022200-
YUMA COUNTY-
329 PM MDT FRI JUL 2 2010

...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO...

AT 328 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
AN AREA OF THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES
NORTHEAST OF CLARKVILLE TO HEARTSTRONG TO JOES...MOVING EAST AT 30
MPH. STRONG OUTFLOW WIND GUSTS UP TO 55 MPH...SMALL HAIL AND AREAS
OF BLOWING DUST ARE POSSIBLE WITH THESE STORMS.

&&

LAT...LON 4043 10220 3990 10225 3960 10234 3957 10281
      4043 10278
TIME...MOT...LOC 2129Z 263DEG 25KT 4043 10254 3997 10251
          3958 10268

JRM
Special weather statement, Jul 2, 5:13 PM MDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
513 PM MDT FRI JUL 2 2010

NEZ079-022330-
DUNDY-
513 PM MDT FRI JUL 2 2010

...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR DUNDY COUNTY IN SOUTHWEST NEBRASKA...

AT 508 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 12 MILES EAST OF ALVIN...MOVING EAST AT 40 MPH.

STRONG WIND GUSTS TO 55 MPH...AND HAIL UP TO DIME SIZE ARE POSSIBLE
WITH THIS STORM.

BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.

&&

LAT...LON 4007 10137 4006 10202 4032 10202 4035 10150
      4034 10138
TIME...MOT...LOC 2313Z 268DEG 35KT 4025 10180

JRM
Special weather statement, Jul 2, 5:32 PM MDT, 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
532 PM MDT FRI JUL 2 2010

COZ090-022345-
YUMA COUNTY-
532 PM MDT FRI JUL 2 2010

...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO...

AT 531 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 6 MILES EAST OF IDALIA...MOVING NORTHEAST AT 25
MPH.

PENNY SIZE HAIL AND WIND GUSTS TO 55 MPH ARE EXPECTED WITH THIS
STORM.

BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.

&&

LAT...LON 3984 10207 3958 10205 3957 10230 3974 10236
TIME...MOT...LOC 2332Z 232DEG 20KT 3970 10219

JRM
Local storm report, Jul 2, 6:13 PM MDT, 9 minutes before
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The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 7:04 PM MDTSevere Thunderstorm WarningGLDCheyenne, Sherman41 min
Jul 3, 5:34 PM MDTSevere Thunderstorm WarningGLDSherman26 min
Jul 3, 5:54 PM MDTSevere Thunderstorm WarningGLDSherman36 min
Jul 2, 6:46 PM MDTSpecial Weather StatementGLDKit Carson14 min
Jul 2, 8:15 PM MDTSpecial Weather StatementGLDYuma30 min
Jul 2, 8:50 PM MDTSpecial Weather StatementGLDYuma25 min
Jul 2, 9:30 PM MDTAreal Flood WarningGLDKit Carson, Yuma8 hr
Jul 3, 7:29 AM MDTAreal Flood WarningGLDYuma6 hr

Nearby

Flash Flood Warnings in Colorado, 2010Every flash flood warning in 2010

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.