Alert archive / Kansas / Areal Flood Warnings in 2018

Areal Flood Warning 10, NWS Dodge City, KS

August 19, 2018Grant County, Kearny County, Kansas

NWS Dodge City, KS issued this areal flood warning at Aug 19, 2018, 2:23 AM CDT for Grant County, Kearny County, Kansas. 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
Aug 19, 2018, 2:23 AM CDT (07:23 UTC)
Expired
Aug 19, 2018, 5:15 AM CDT
In force
3 hr
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Flood severity
None

Counties Grant County, KS, Kearny County, KS

The radar

The Dodge City radar (KDDC), 118 km from the middle of the area, began a volume at 07:26 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, 7.4 hours before the alert went out and 124 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, Dodge City, at 00:00Z on 2018-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 887 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, Dodge City, at 00:00Z on 2018-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
887 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1184 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 areal flood warning went out at Aug 18, 11:33 PM CDT, 2 hours 50 minutes earlier.

Area forecast discussion, Aug 18, 11:33 PM CDT, 2 hours 50 minutes before
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Hazardous weather outlook, Aug 18, 2:51 AM CDT, 23 hours 32 minutes before
Hazardous Weather Outlook
National Weather Service Dodge City KS
251 AM CDT Sat Aug 18 2018

KSZ030-031-043>046-061>066-074>081-084>090-190800-
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-
251 AM CDT Sat Aug 18 2018 /151 AM MDT Sat Aug 18 2018/

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 are expected to develop across the
western counties late this afternoon. Some of these storms will be
capable of marginally severe hail (quarter size) and wind gusts
(60 mph). Numerous thunderstorms are expected this evening and
tonight. These storms will produce heavy rainfall and frequent
dangerous lightning. Some strong wind gusts near 50 mph are
possible through about midnight. A limited flooding risk is
expected, concentrated mostly south and east of Dodge City through
Sunday morning.

Day 1 Hazards
-------------
* Thunderstorm Wind Damage: Limited risk
* Thunderstorm Hail: Limited risk
* Flooding: Limited risk
* Lightning: Significant risk

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

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

Thunderstorms will linger across the eastern zones through Sunday
morning with a continued risk for lightning and heavy rain.

The next chance of scattered thunderstorms is scheduled for
Tuesday night into Wednesday morning.

Days 2-7 Hazards
----------------
* Sunday
  - Lightning: Elevated risk
  - Flooding: Limited risk

* Monday
  No hazards.

* Tuesday
  - Lightning: Limited risk

* Wednesday
  - Lightning: Limited risk

* Thursday
  No hazards.

* Friday
  No hazards.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required this evening, mainly west of
US Highway 283.

&&

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

Turner

In the hours before

Local storm report, Aug 18, 11:35 PM CDT, 2 hours 48 minutes before
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Local storm report, Aug 19, 1:19 AM CDT, 1 hour 4 minutes before
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Local storm report, Aug 19, 1:22 AM CDT, 1 hour 1 minute before
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Local storm report, Aug 19, 1:24 AM CDT, 59 minutes before
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Local storm report, Aug 19, 1:26 AM CDT, 57 minutes before
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Local storm report, Aug 19, 2:02 AM CDT, 21 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 7:08 PM CDTSevere Thunderstorm WarningDDCGrant, Kearny37 min
Aug 18, 7:26 PM CDTFlash Flood WarningDDCKearny3 hr
Aug 18, 7:28 PM CDTSpecial Weather StatementDDCHamilton17 min
Aug 18, 7:34 PM CDTFlash Flood WarningDDCGrant, Kearny3 hr
Aug 18, 7:38 PM CDTSevere Thunderstorm WarningDDCGrant, Kearny52 min
Aug 18, 7:42 PM CDTSpecial Weather StatementDDCHamilton, Kearny18 min
Aug 18, 7:54 PM CDTTornado WarningDDCGrant21 min
Aug 18, 8:28 PM CDTSevere Thunderstorm WarningDDCFinney, Grant, Haskell, Kearny32 min
Aug 18, 8:51 PM CDTSpecial Weather StatementDDCGrant54 min
Aug 18, 8:52 PM CDTSpecial Weather StatementDDCGrant68 min
Aug 18, 9:40 PM CDTFlash Flood WarningDDCGrant, Kearny4 hr
Aug 18, 9:43 PM CDTAreal Flood WarningDDCHamilton, Kearny6 hr
Aug 18, 9:47 PM CDTSpecial Weather StatementDDCGrant58 min
Aug 18, 10:09 PM CDTSpecial Weather StatementDDCStevens66 min
Aug 19, 1:45 AM CDTFlash Flood WarningDDCFord3 hr
Aug 19, 5:13 AM CDTAreal Flood WarningDDCGrant, Kearny3 hr
Aug 19, 6:01 PM CDTSpecial Weather StatementDDCRush44 min
Aug 19, 6:02 PM CDTSpecial Weather StatementDDCFord58 min
Aug 19, 6:20 PM CDTSpecial Weather StatementDDCEllis40 min
Aug 19, 6:58 PM CDTSpecial Weather StatementDDCEllis47 min

Nearby

Areal Flood Warnings in Kansas, 2018Every areal flood warning in 2018

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.