Alert archive / Kansas / Flash Flood Watches in 2013

Flash Flood Watch 3, NWS Goodland, KS

August 7, 20135 counties in Kansas; Cheyenne County, Colorado

NWS Goodland, KS issued this flash flood watch at Aug 7, 2013, 6:10 AM CDT for 5 counties in Kansas; Cheyenne County, Colorado. It took effect at Aug 7, 2013, 7:00 AM CDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued: Aug 7, 2013, 6:10 AM CDT (11:10 UTC)
In effect from: Aug 7, 2013, 7:00 AM CDT
Expired: Aug 8, 2013, 7:12 PM CDT
In force: 36 hr
Issued by: NWS Goodland, KS
Flood severity: None

Counties Cheyenne County, CO, Gove County, KS, Greeley County, KS, Logan County, KS, Wallace County, KS, Wichita County, KS

The radar

The Goodland radar (KGLD), 70 km from the middle of the area, began a volume at 11:11 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 00:00Z, 11.2 hours before the alert went out and 179 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2241 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1669 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 watch went out at Aug 7, 4:08 AM CDT, 2 hours 2 minutes earlier.

Area forecast discussion, Aug 7, 4:08 AM CDT, 2 hours 2 minutes before

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Hazardous weather outlook, Aug 6, 4:02 PM CDT, 14 hours 8 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
302 PM MDT TUE AUG 6 2013

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-071230-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
302 PM MDT TUE AUG 6 2013 /402 PM CDT TUE AUG 6 2013/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS
AFTERNOON AND CONTINUE INTO THE OVERNIGHT HOURS. THE BEST
THUNDERSTORM COVERAGE WILL BE EAST OF THE COLORADO BORDER. SOME
OF THESE STORMS COULD BECOME SEVERE THIS AFTERNOON AND EVENING
WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS.  HEAVY
RAINFALL FROM THE SLOW MOVING STORMS WILL LEAD TO AN INCREASED THREAT
FOR FLASH FLOODING THROUGH THE OVERNIGHT HOURS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE WEDNESDAY AND
THURSDAY. VERY HEAVY RAINFALL WILL BE THE MAIN THREAT WITH THESE
STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED THIS AFTERNOON AND TONIGHT.

JTL

In the hours before

Special weather statement, Aug 7, 12:30 AM CDT, 5 hours 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
1130 PM MDT TUE AUG 6 2013

COZ090-KSZ001-002-013-NEZ079-080-070630-
CHEYENNE-DUNDY-HITCHCOCK-RAWLINS-SHERMAN-YUMA COUNTY-
1230 AM CDT WED AUG 7 2013

...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO...SHERMAN
COUNTY IN NORTHWEST KANSAS...RAWLINS COUNTY IN NORTHWEST KANSAS...
CHEYENNE COUNTY IN NORTHWEST KANSAS...DUNDY COUNTY IN SOUTHWEST
NEBRASKA AND HITCHCOCK COUNTY IN SOUTHWEST NEBRASKA...

AT 1227 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM CHAMPION TO 15 MILES
NORTH OF PARKS TO PARKS TO 6 MILES EAST OF BEECHER ISLAND TO
IDALIA...MOVING SOUTHEAST AT 25 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 4029 10114 4004 10121 3980 10124 3965 10143
      3948 10189 3954 10205 3957 10205 3957 10215
      3972 10256 3990 10210 4004 10190 4035 10186
      4035 10132
TIME...MOT...LOC 0530Z 296DEG 20KT 4041 10172 4024 10177
          4000 10180 3986 10199 3973 10235

LOCKHART

Special weather statement, Aug 7, 2:13 AM CDT, 3 hours 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
113 AM MDT WED AUG 7 2013

KSZ002-003-NEZ081-070800-
DECATUR-RAWLINS-RED WILLOW-
213 AM CDT WED AUG 7 2013

...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR RAWLINS COUNTY IN NORTHWEST KANSAS...DECATUR
COUNTY IN NORTHWEST KANSAS AND RED WILLOW COUNTY IN SOUTHWEST
NEBRASKA...

AT 211 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR MCCOOK...MOVING SOUTHEAST AT 30 MPH.

PENNY TO NICKEL SIZE HAIL...VERY HEAVY RAINFALL AND WINDS TO NEAR 50
MPH ARE EXPECTED WITH THIS STORM.

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

&&

LAT...LON 4024 10019 4001 10019 4001 10018 3985 10018
      3975 10021 3989 10090 4000 10083 4001 10076
      4015 10076 4036 10064
TIME...MOT...LOC 0713Z 296DEG 27KT 4013 10059

BULLER

Local storm report, Aug 7, 2:45 AM CDT, 3 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
145 AM MDT WED AUG 07 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0134 AM     TSTM WND GST     MCCOOK                  40.20N 100.62W
08/07/2013  M60 MPH          RED WILLOW         NE   ASOS

&&

BRB

Special weather statement, Aug 7, 2:56 AM CDT, 3 hours 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
156 AM MDT WED AUG 7 2013

COZ092-KSZ027-028-070845-
CHEYENNE COUNTY-LOGAN-WALLACE-
156 AM MDT WED AUG 7 2013

...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR CHEYENNE COUNTY IN EAST CENTRAL COLORADO...LOGAN
COUNTY IN WEST CENTRAL KANSAS AND WALLACE COUNTY IN WEST CENTRAL
KANSAS...

AT 153 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 10 MILES NORTH OF WESKAN...MOVING EAST AT 20 MPH.

PENNY TO NICKEL SIZE HAIL...VERY HEAVY RAINFALL...AND WINDS TO 50
MPH ARE EXPECTED WITH THIS STORM.

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

&&

LAT...LON 3894 10224 3905 10218 3905 10205 3912 10205
      3914 10136 3872 10142
TIME...MOT...LOC 0756Z 284DEG 17KT 3899 10194

BULLER

Local storm report, Aug 7, 4:15 AM CDT, 1 hour 55 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 11:49 PM CDT	Special Weather Statement	GLD	Cheyenne	26 min
Aug 7, 12:30 AM CDT	Special Weather Statement	GLD	Cheyenne	60 min
Aug 7, 2:46 AM CDT	Severe Thunderstorm Warning	GLD	Decatur, Norton	59 min
Aug 7, 2:56 AM CDT	Special Weather Statement	GLD	Wallace	49 min
Aug 7, 3:23 AM CDT	Flash Flood Warning	GLD	Logan, Wallace	4 hr
Aug 7, 3:38 AM CDT	Severe Thunderstorm Warning	GLD	Decatur, Graham, Norton, Sheridan	52 min
Aug 7, 4:01 AM CDT	Severe Thunderstorm Warning	GLD	Graham	59 min
Aug 7, 5:19 PM CDT	Special Weather Statement	GLD	Rawlins	26 min
Aug 7, 5:53 PM CDT	Flash Flood Warning	GLD	Rawlins	3 hr
Aug 6, 10:34 PM CDT	Special Weather Statement	GLD	Yuma	26 min
Aug 6, 11:00 PM CDT	Special Weather Statement	GLD	Yuma	30 min
Aug 6, 11:19 PM CDT	Special Weather Statement	GLD	Yuma	26 min
Aug 6, 11:25 PM CDT	Special Weather Statement	GLD	Dundy	35 min
Aug 7, 2:13 AM CDT	Special Weather Statement	GLD	Red Willow	47 min

Nearby

Flash Flood Watches in Kansas, 2013 Flash Flood Watches in Colorado, 2013 Every flash flood watch in 2013

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.