Alert archive / Colorado / Flash Flood Warnings in 2011
Flash Flood Warning 17, NWS Goodland, KS
NWS Goodland, KS issued this flash flood warning at Jul 11, 2011, 2:40 PM MDT for Kit Carson 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 outline as issued.
The facts
- Issued
- Jul 11, 2011, 2:40 PM MDT (20:40 UTC)
- Expired
- Jul 11, 2011, 5:30 PM MDT
- In force
- 3 hr
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Flood severity
- None
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 62 km from the middle of the area, began a volume at 20:43 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.7 hours before the alert went out and 89 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
- 9 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 2055 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
333 WGUS53 KGLD 112040 FFWGLD COC063-112330- /O.NEW.KGLD.FF.W.0017.110711T2040Z-110711T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GOODLAND KS 240 PM MDT MON JUL 11 2011 THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A * FLASH FLOOD WARNING FOR... KIT CARSON COUNTY IN EAST CENTRAL COLORADO... * UNTIL 530 PM MDT * AT 238 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATES 1 TO 3 INCHES OF RAIN HAS OCCURRED MAINLY ALONG AND SOUTH OF INTERSTATE 70. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... BETHUNE...BURLINGTON...SEIBERT...STRATTON AND VONA. THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE SLOWLY ACROSS THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN AROUND...DONT DROWN! TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN GOODLAND. && LAT...LON 3957 10205 3905 10206 3904 10296 3957 10299 $$ BULLER
2 follow-up statements
438 WGUS73 KGLD 112223 FFSGLD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 423 PM MDT MON JUL 11 2011 COC063-112330- /O.CON.KGLD.FF.W.0017.000000T0000Z-110711T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KIT CARSON CO- 423 PM MDT MON JUL 11 2011 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR KIT CARSON COUNTY UNTIL 530 PM MDT... AT 417 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATES 2 TO 3.5 INCHES OF RAINFALL HAS OCCURRED JUST WEST OF BURLINGTON. RADAR ESTIMATES OF 1 TO 2 INCHES HAS OCCURRED OVER THE SOUTH CENTRAL AND SOUTHEAST PORTION OF THE COUNTY. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... BETHUNE...BURLINGTON...SEIBERT...STRATTON AND VONA. AT 339 PM MDT...LAW ENFORCEMENT REPORTED MINOR FLOODING OCCURRING 3 MILES WEST OF BURLINGTON NEAR THE INTERSECTION OF HIGHWAY 24 AND COUNTY ROAD 45. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN GOODLAND. && LAT...LON 3957 10205 3905 10206 3904 10296 3957 10299 $$ BULLER
723 WGUS73 KGLD 112328 FFSGLD FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 528 PM MDT MON JUL 11 2011 COC063-112339- /O.EXP.KGLD.FF.W.0017.000000T0000Z-110711T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KIT CARSON CO- 528 PM MDT MON JUL 11 2011 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR KIT CARSON COUNTY WILL BE ALLOWED TO EXPIRE AT 530 PM MDT... NO ADDITIONAL FLOODING REPORTS HAVE BEEN RECEIVED. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE...AND COULD CAUSE FLOODING TO OCCUR ONCE AGAIN. LAT...LON 3957 10205 3905 10206 3904 10296 3957 10299 $$ BULLER
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 11, 2:00 PM MDT, 40 minutes earlier.
Area forecast discussion, Jul 11, 2:00 PM MDT, 40 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 200 PM MDT MON JUL 11 2011 .DISCUSSION... 200 PM MDT MON JUL 11 2011 TONIGHT-THURSDAY NIGHT...UPPER HIGH CURRENTLY CENTERED OVER TENNESSEE WILL PUSH TOWARD THE WEST AND EXPAND OVER THE CENTRAL AND SOUTHERN PLAINS WHILE AN UPPER LEVEL LOW AND ASSOCIATED TROUGH REMAIN ACROSS THE PACIFIC WEST/NORTHWEST. MONSOONAL MOISTURE WILL CONTINUE AS WILL DAILY CHANCES FOR SHOWERS AND THUNDERSTORMS. ALONG WITH THE THREAT OF SEVERE WEATHER WILL BE FLOODING/FLASH FLOODING...ESPECIALLY ACROSS THE NORTHWEST 1/2-1/3 OF THE AREA WHERE 1 AND 3 HOUR FLASH FLOOD GUIDANCE BELOW 2 INCHES WHILE ACROSS FAR SOUTHWEST NEBRASKA 1/3/6 HOUR GUIDANCE BELOW 1.7 INCHES. HIGH TEMPERATURES TUESDAY AND WEDNESDAY IN THE UPPER 80S NORTHWEST TO UPPER 90S FAR EAST...LOW 90S NORTHWEST TO NEAR 104 HILL CITY TO LEOTI THURSDAY. FRIDAY-MONDAY...UPPER LEVEL RIDGE WILL BE OVER THE AREA THROUGH THE PERIOD. 850 TEMPERATURES SUPPORT DAILY HIGH TEMPERATURES WELL INTO THE 90S AND LOW 100S. IT APPEARS THAT AREAL COVERAGE OF SHOWERS AND THUNDERSTORMS WILL DIMINISH A BIT WITH BETTER 700-300 MOISTURE GETTING PUSHED BACK INTO COLORADO BY THE END OF THE PERIOD. 007 && .AVIATION... 1141 AM MDT MON JUL 11 2011 VFR CONDITIONS WITH INTERMITTENT MVFR CONDITIONS POSSIBLE DURING THE PERIOD FOR BOTH SITES. CURRENT RADAR IMAGES SHOW SHOWERS ALREADY BEGINNING TO DEVELOP ALONG AND NORTH OF A SURFACE TROUGH SOUTHWEST OF KGLD AND KMCK. AS THE TEMPERATURES WARM...THUNDERSTORMS WILL DEVELOP DURING THE EARLY AFTERNOON. EXPECT THEM TO BEGIN TO EFFECT THE TAF SITES BY MID AFTERNOON SO INSERTED A TEMPO GROUP AT THAT TIME. THESE THUNDERSTORMS WILL POSSIBLY PRODUCE SHORT LIVED STRONG WINDS AND HEAVY RAIN WHICH MAY REDUCE VISIBILITIES. THUNDERSTORM CHANCES WILL MOVE NORTH THROUGH THE NIGHT. KMCK MAY HAVE SOME LOW CEILINGS DEVELOP AROUND SUNRISE...SO PLACED IN A DECK OF FEW CLOUDS AT THAT TIME. JTL && .GLD WATCHES/WARNINGS/ADVISORIES... KS...NONE. NE...NONE. CO...NONE. &&
Hazardous weather outlook, Jul 11, 10:40 AM MDT, 4 hours before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GOODLAND KS 1040 AM MDT MON JUL 11 2011 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-121215- YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON- SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA- DUNDY-HITCHCOCK-RED WILLOW- 1040 AM MDT MON JUL 11 2011 /1140 AM CDT MON JUL 11 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS ACROSS THE TRI-STATE AREA THIS AFTERNOON AND TONIGHT. THE THREAT OF WIDESPREAD SEVERE WEATHER IS LOW...BUT A STORM OR TWO NORTH OF HIGHWAY 36 MAY PRODUCE SOME LARGE HAIL AND DAMAGING WIND THIS AFTERNOON AND EVENING. LOCALIZED HEAVY RAINFALL IS ALSO POSSIBLE WITH THUNDERSTORMS MAINLY ALONG AND NORTH OF INTERSTATE 70. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THERE IS A SLIGHT CHANCE OF SEVERE WEATHER TUESDAY AFTERNOON AND EVENING NORTHWEST OF A LINE FROM BURLINGTON COLORADO TO TRENTON NEBRASKA. LARGE HAIL AND DAMAGING WIND WILL BE THE MAIN THREATS. THUNDERSTORMS WITH DANGEROUS CLOUD TO GROUND LIGHTNING ARE FORECAST FOR EACH AFTERNOON AND EVENING THROUGH SATURDAY. A FEW SEVERE STORMS ARE POSSIBLE THROUGH THE PERIOD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED.
In the hours before
Special weather statement, Jul 11, 1:36 PM MDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 136 PM MDT MON JUL 11 2011 COZ091-111945- KIT CARSON COUNTY- 136 PM MDT MON JUL 11 2011 ...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR KIT CARSON COUNTY IN EAST CENTRAL COLORADO... AT 132 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THUNDERSTORMS WERE RAPIDLY DEVELOPING NEAR BURLINGTON...MOVING NORTHEAST AT 10 MPH. PENNY TO NICKEL SIZE HAIL...AND WINDS TO 50 MPH ARE EXPECTED WITH THESE STORMS. BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND BECOME SEVERE. && LAT...LON 3946 10228 3929 10209 3917 10235 3930 10247 TIME...MOT...LOC 1937Z 231DEG 8KT 3929 10232 JLUNDQUI
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 6:12 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 34 min |
| Jul 10, 7:38 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 38 min |
| Jul 11, 1:36 PM MDT | Special Weather Statement | GLD | Kit Carson | 9 min |
| Jul 11, 1:52 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 50 min |
Nearby
Flash Flood Warnings in Colorado, 2011Every flash flood warning in 2011
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.