Alert archive / Kansas / Flash Flood Watches in 2019

Flash Flood Watch 8, NWS Dodge City, KS

August 10, 20196 counties in Kansas

NWS Dodge City, KS issued this flash flood watch at Aug 10, 2019, 2:32 PM CDT for 6 counties in Kansas. It took effect at Aug 10, 2019, 7:00 PM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Aug 10, 2019, 2:32 PM CDT (19:32 UTC)
In effect from
Aug 10, 2019, 7:00 PM CDT
Expired
Aug 11, 2019, 7:00 AM CDT
In force
12 hr
Issued by
NWS Dodge City, KS
Flood severity
None

Counties Ellis County, KS, Lane County, KS, Ness County, KS, Rush County, KS, Scott County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 97 km from the middle of the area, began a volume at 19:32 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.5 hours before the alert went out and 283 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, N. Platte/Lee Bi, NE at 12:00Z on 2019-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1602 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, N. Platte/Lee Bi, NE at 12:00Z on 2019-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 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
1602 J/kg
Mixed-layer CIN
-207 J/kg
Mixed-layer LCL
1098 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Dodge City, KS wrote its last area forecast discussion before this flash flood watch went out at Aug 10, 1:27 PM CDT, 1 hour 5 minutes earlier.

Area forecast discussion, Aug 10, 1:27 PM CDT, 1 hour 5 minutes before
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Hazardous weather outlook, Aug 10, 4:53 AM CDT, 9 hours 39 minutes before
Hazardous Weather Outlook
National Weather Service Dodge City KS
453 AM CDT Sat Aug 10 2019

KSZ030-031-043>046-061>066-074>081-084>090-111000-
Trego-Ellis-Scott-Lane-Ness-Rush-Hamilton-Kearny-Finney-Hodgeman-
Pawnee-Stafford-Stanton-Grant-Haskell-Gray-Ford-Edwards-Kiowa-
Pratt-Morton-Stevens-Seward-Meade-Clark-Comanche-Barber-
453 AM CDT Sat Aug 10 2019 /353 AM MDT Sat Aug 10 2019/

This hazardous weather outlook is for portions of central...south
central...southwest and west central Kansas.

.DAY ONE...Today and tonight.

Day 1 Discussion
----------------

Scattered thunderstorms this morning from southwest into central
Kansas will produce brief heavy rainfall and lightning.
Thunderstorms are expected to develop along a surface trough in
northwest Kansas this evening, and a cluster of thunderstorms
will propagate across northern Kansas tonight. Locally heavy
rainfall along with hail up to the size of quarters and gusty
winds may accompany the thunderstorm cluster.

Day 1 Hazards
-------------
* Hail: Limited risk
* Thunderstorm wind damage: Limited risk
* Flooding: Limited risk
* Lightning: Elevated risk
* Excessive heat: Elevated risk

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Days 2-7 Discussion
-------------------

Another cluster of thunderstorms is likely to form in northwest
Kansas and southwest Nebraska and to move across northern Kansas
Sunday night. Heavy rain, hail up to the size of golfballs and
damaging winds are possible. Heat index values will approach 105
in south central Kansas Sunday afternoon.

Scattered thunderstorms may occur behind a cold front Monday, but
thunderstorm chances will decrease Tuesday through Friday. Very
warm temperatures with highs near 100 can be expected Friday.

Days 2-7 Hazards
----------------
* Sunday
  - Lightning: Elevated risk
  - Severe thunderstorm: Elevated risk
  - Excessive heat: Elevated risk

* Monday
  - Lightning: Limited risk
  - Severe thunderstorm: Limited risk
  - Excessive heat: Elevated risk

* Tuesday
  - Lightning: Limited risk

* Wednesday
  - Lightning: Limited risk

* Thursday
  - Lightning: Limited risk
  - Excessive heat: Limited risk
  - Non thunderstorm wind: Limited risk

* Friday
  - Lightning: Limited risk
  - Excessive heat: Elevated risk
  - Non thunderstorm wind: Limited risk

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

For more details visit our webpage http://weather.gov/ddc/ehwo

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 8:53 PM CDTSpecial Weather StatementDDCMorton52 min
Aug 10, 1:26 AM CDTSpecial Weather StatementDDCStanton34 min
Aug 10, 2:22 AM CDTSpecial Weather StatementDDCSeward23 min
Aug 10, 1:16 PM CDTHeat AdvisoryDDCBarber, Clark, Comanche, Meade, Seward6 hr

Nearby

Flash Flood Watches in Kansas, 2019Every flash flood watch in 2019

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.