Alert archive / Kansas / Flash Flood Watches in 2017
Flash Flood Watch 5, NWS Goodland, KS
NWS Goodland, KS issued this flash flood watch at Aug 10, 2017, 10:49 AM MDT for 5 counties in Kansas; Cheyenne County, Kit Carson County, Colorado. It took effect at Aug 10, 2017, 3:00 PM MDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Aug 10, 2017, 10:49 AM MDT (16:49 UTC)
- In effect from
- Aug 10, 2017, 3:00 PM MDT
- Expired
- Aug 10, 2017, 9:37 PM MDT
- In force
- 7 hr
- Issued by
- NWS Goodland, KS
- Flood severity
- None
Counties Cheyenne County, CO, Kit Carson County, CO, Greeley County, KS, Logan County, KS, Sherman County, KS, Wallace County, KS, Wichita County, KS
The radar
The Goodland radar (KGLD), 54 km from the middle of the area, began a volume at 16:53 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 (KDEN), launched 12:00Z, 4.8 hours before the alert went out and 160 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
- 2 J/kg
- Mixed-layer CIN
- -251 J/kg
- Mixed-layer LCL
- 866 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 10, 10:12 AM MDT, 37 minutes earlier.
Area forecast discussion, Aug 10, 10:12 AM MDT, 37 minutes before
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</html>Hazardous weather outlook, Aug 10, 9:24 AM MDT, 1 hour 25 minutes before
Hazardous Weather Outlook National Weather Service Goodland KS 924 AM MDT Thu Aug 10 2017 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-111530- Yuma County-Kit Carson County-Cheyenne County-Cheyenne-Rawlins- Decatur-Norton-Sherman-Thomas-Sheridan-Graham-Wallace-Logan-Gove- Greeley-Wichita-Dundy-Hitchcock-Red Willow- 924 AM MDT Thu Aug 10 2017 /1024 AM CDT Thu Aug 10 2017/ This hazardous weather outlook is for east central Colorado... extreme southwest Nebraska and northwest Kansas. .DAY ONE...TODAY AND TONIGHT... Severe thunderstorms will develop this afternoon and evening as a cold front moves from Nebraska south across Northwest Kansas and Eastern Colorado. The threat for severe weather will end from north to south beginning late this afternoon and evening behind the cold front. The likelihood of severe weather highest along and south of Highway 40. Hail up to 2 inches, damaging winds to 70 mph, and localized flash flooding will be the main threats. There is a better chance for flash flooding over parts of Cheyenne County and Kit Carson counties in Colorado this evening. In addition a tornado may occur this afternoon into early evening along and south of I-70. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... Showers and thunderstorms will be possible over parts of the region Friday through early next week. A few severe thunderstorms will be possible each afternoon and evening. .SPOTTER INFORMATION STATEMENT... Spotter activation will be needed this afternoon and early evening. jtl
In the hours before
Special weather statement, Aug 10, 8:14 AM MDT, 2 hours 35 minutes before
Special Weather Statement National Weather Service Goodland KS 914 AM CDT THU AUG 10 2017 KSZ001-101500- Cheyenne KS- 914 AM CDT THU AUG 10 2017 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN CHEYENNE COUNTY IN NORTHWESTERN KANSAS UNTIL 1000 AM CDT... At 914 AM CDT, Doppler radar was tracking a strong thunderstorm 5 miles south of St. Francis, moving east at 20 mph. Nickel size hail and winds in excess of 30 mph will be possible with this storm. Locations impacted include... St. Francis, Bird City and Wheeler. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3959 10191 3977 10193 3984 10146 3957 10144 TIME...MOT...LOC 1414Z 266DEG 17KT 3969 10183 JN
Special weather statement, Aug 10, 8:31 AM MDT, 2 hours 18 minutes before
Special Weather Statement National Weather Service Goodland KS 831 AM MDT THU AUG 10 2017 COZ090-101500- Yuma County CO- 831 AM MDT THU AUG 10 2017 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL YUMA COUNTY UNTIL 900 AM MDT... At 831 AM MDT, Doppler radar was tracking a strong thunderstorm 12 miles south of Eckley, or 15 miles southeast of Yuma, moving east at 20 mph. Nickel size hail and winds in excess of 30 mph will be possible with this storm. Locations impacted include... Heartstrong and Vernon. This includes Highway 385 between mile markers 229 and 232. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3985 10266 4003 10266 4005 10227 3987 10223 TIME...MOT...LOC 1431Z 271DEG 18KT 3994 10257 JN
Special weather statement, Aug 10, 8:41 AM MDT, 2 hours 8 minutes before
Special Weather Statement National Weather Service Goodland KS 841 AM MDT THU AUG 10 2017 NEZ079-101515- Dundy NE- 841 AM MDT THU AUG 10 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN DUNDY COUNTY UNTIL 915 AM MDT... At 841 AM MDT, Doppler radar was tracking a strong thunderstorm 17 miles north of Haigler, or 18 miles northeast of Wray, moving east at 25 mph. Nickel size hail and winds in excess of 30 mph will be possible with this storm. This storm will remain over mainly rural areas of northwestern Dundy County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4012 10161 4017 10205 4035 10205 4035 10160 TIME...MOT...LOC 1441Z 270DEG 22KT 4027 10198 JN
Special weather statement, Aug 10, 9:15 AM MDT, 1 hour 34 minutes before
Special Weather Statement
National Weather Service Goodland KS
1015 AM CDT THU AUG 10 2017
KSZ002-101545-
Rawlins KS-
1015 AM CDT THU AUG 10 2017
...SIGNIFICANT WEATHER ADVISORY FOR WESTERN RAWLINS COUNTY UNTIL 1045
AM CDT...
At 1015 AM CDT, Doppler radar was tracking a strong thunderstorm 6
miles southeast of McDonald, or 16 miles southwest of Atwood, moving
northeast at 20 mph.
Nickel size hail and winds in excess of 30 mph will be possible with
this storm.
Locations impacted include...
Atwood, McDonald, Blakeman and Beardsley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3993 10108 3965 10092 3959 10135 3970 10141
3977 10141
TIME...MOT...LOC 1515Z 246DEG 19KT 3971 10132
JNSpecial weather statement, Aug 10, 9:26 AM MDT, 1 hour 23 minutes before
Special Weather Statement
National Weather Service Goodland KS
926 AM MDT THU AUG 10 2017
NEZ079-101600-
Dundy NE-
926 AM MDT THU AUG 10 2017
...SIGNIFICANT WEATHER ADVISORY FOR DUNDY COUNTY UNTIL 1000 AM MDT...
At 925 AM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 14 miles south of Lamar to 9 miles east of
Haigler. Movement was northeast at 20 mph.
Up to nickel size hail and winds in excess of 30 mph will be
possible with these storms.
Locations impacted include...
Parks.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4027 10134 4000 10171 4001 10171 4035 10205
4035 10137
TIME...MOT...LOC 1525Z 223DEG 18KT 4038 10207 4003 10176
JNSpecial weather statement, Aug 10, 10:30 AM MDT, 19 minutes before
Special Weather Statement National Weather Service Goodland KS 1030 AM MDT THU AUG 10 2017 KSZ001-002-NEZ079-080-101715- Rawlins KS-Cheyenne KS-Hitchcock NE-Dundy NE- 1030 AM MDT THU AUG 10 2017 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CHEYENNE AND NORTHWESTERN RAWLINS COUNTIES IN NORTHWESTERN KANSAS...SOUTHWESTERN HITCHCOCK AND SOUTHEASTERN DUNDY COUNTIES IN SOUTHWESTERN NEBRASKA UNTIL 1115 AM MDT/1215 PM CDT/... At 1030 AM MDT/1130 AM CDT/, Doppler radar was tracking a strong thunderstorm 8 miles south of Benkelman, moving east at 20 mph. Up to nickel size hail and winds in excess of 30 mph will be possible with this storm. Locations impacted include... Atwood, McDonald, Blakeman and Beardsley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3981 10165 4001 10156 4007 10100 3971 10103 TIME...MOT...LOC 1630Z 270DEG 15KT 3993 10149 JN
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 10:26 PM MDT | Special Weather Statement | GLD | Sheridan | 34 min |
| Aug 10, 3:13 AM MDT | Dense Fog Advisory | GLD | Decatur, Gove, Graham, Greeley, Logan, Norton and 4 more | 6 hr |
| Aug 10, 7:21 AM MDT | Special Weather Statement | GLD | Sherman | 24 min |
| Aug 10, 8:01 AM MDT | Special Weather Statement | GLD | Logan | 44 min |
| Aug 10, 8:14 AM MDT | Special Weather Statement | GLD | Cheyenne | 46 min |
| Aug 10, 9:15 AM MDT | Special Weather Statement | GLD | Rawlins | 30 min |
| Aug 10, 10:30 AM MDT | Special Weather Statement | GLD | Rawlins | 45 min |
| Aug 10, 11:10 AM MDT | Severe Thunderstorm Warning | GLD | Rawlins | 35 min |
| Aug 10, 11:33 AM MDT | Severe Thunderstorm Warning | GLD | Rawlins | 27 min |
| Aug 10, 11:50 AM MDT | Severe Thunderstorm Warning | GLD | Decatur, Rawlins, Sheridan, Thomas | 40 min |
| Aug 10, 12:09 PM MDT | Severe Thunderstorm Warning | GLD | Sherman | 36 min |
| Aug 10, 12:21 PM MDT | Severe Thunderstorm Warning | GLD | Sheridan | 39 min |
| Aug 10, 12:26 PM MDT | Severe Thunderstorm Warning | GLD | Sherman, Thomas, Wallace | 64 min |
| Aug 10, 12:48 PM MDT | Severe Thunderstorm Warning | GLD | Gove, Graham, Sheridan | 57 min |
| Aug 10, 1:03 PM MDT | Severe Thunderstorm Warning | GLD | Logan, Wallace | 57 min |
| Aug 10, 1:05 PM MDT | Tornado Warning | GLD | Gove, Graham, Sheridan | 25 min |
| Aug 10, 1:06 PM MDT | Flash Flood Warning | GLD | Graham, Sheridan | 6 hr |
| Aug 10, 1:40 PM MDT | Tornado Warning | GLD | Logan | 35 min |
| Aug 10, 1:43 PM MDT | Flash Flood Warning | GLD | Logan | 3 hr |
| Aug 10, 1:52 PM MDT | Severe Thunderstorm Warning | GLD | Gove, Logan, Wichita | 42 min |
| Aug 10, 7:51 AM MDT | Special Weather Statement | GLD | Phillips | 39 min |
| Aug 10, 8:31 AM MDT | Special Weather Statement | GLD | Yuma | 29 min |
| Aug 10, 4:51 PM MDT | Special Weather Statement | GLD | Cheyenne | 9 min |
| Aug 10, 5:05 PM MDT | Special Weather Statement | GLD | Cheyenne | 10 min |
| Aug 10, 5:07 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 25 min |
| Aug 10, 5:16 PM MDT | Special Weather Statement | GLD | Kit Carson | 14 min |
| Aug 10, 8:41 AM MDT | Special Weather Statement | GLD | Dundy | 34 min |
| Aug 10, 9:26 AM MDT | Special Weather Statement | GLD | Dundy | 34 min |
Nearby
Flash Flood Watches in Kansas, 2017Flash Flood Watches in Colorado, 2017Every flash flood watch in 2017
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.