Alert archive / Kansas / Flash Flood Watches in 2021

Flash Flood Watch 3, NWS Dodge City, KS

September 29, 20215 counties in Kansas

NWS Dodge City, KS issued this flash flood watch at Sep 29, 2021, 1:33 AM CDT for 5 counties in Kansas. It took effect at Sep 29, 2021, 7:00 PM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 2021, 1:33 AM CDT (06:33 UTC)
In effect from
Sep 29, 2021, 7:00 PM CDT
Expired
Sep 30, 2021, 6:44 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, Trego County, KS

The radar

The Dodge City radar (KDDC), 102 km from the middle of the area, began a volume at 06:37 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, 6.6 hours before the alert went out and 100 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 2021-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2021-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
7 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
2918 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

115 
WGUS63 KDDC 290633
FFADDC

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Dodge City KS
133 AM CDT Wed Sep 29 2021

KSZ030-031-044>046-291445-
/O.NEW.KDDC.FF.A.0003.210930T0000Z-210930T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Trego-Ellis-Lane-Ness-Rush-
Including the cities of Dighton, Hays, Ness City, Pfeifer, La 
Crosse, and Wakeeney
133 AM CDT Wed Sep 29 2021

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH THURSDAY 
MORNING...

The National Weather Service in Dodge City has issued a

* Flash Flood Watch for portions of central Kansas and west central 
  Kansas, including the following areas, in central Kansas, Ellis 
  and Rush. In west central Kansas, Lane, Ness and Trego.

* From this evening through Thursday morning.

* Thunderstorms will be capable of producing excessive rainfall 
  rates on the order of 1-2" per hour.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

SPRINGER
3 follow-up statements
582 
WGUS63 KDDC 291742
FFADDC

Flood Watch
National Weather Service Dodge City KS
1242 PM CDT Wed Sep 29 2021

...Thunderstorms With Heavy Rain Expected Tonight and Early
Thursday...

KSZ030-031-044>046-301200-
/O.CON.KDDC.FF.A.0003.210930T0000Z-210930T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Trego-Ellis-Lane-Ness-Rush-
Including the cities of Wakeeney, Pfeifer, Hays, Dighton, 
Ness City, and La Crosse
1242 PM CDT Wed Sep 29 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH THURSDAY MORNING...

The Flash Flood Watch continues for

* Portions of central Kansas and west central Kansas...including 
  the following in central ...Kansas...Ellis and Rush. in west 
  central Kansas...Lane...Ness and Trego. 

* From 7 PM CDT this evening through Thursday morning

* Thunderstorms will be capable of producing excessive rainfall
  rates. Localized flooding of urban areas, streams and ditches is
  possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$

Turner
981 
WGUS63 KDDC 300500
FFADDC

Flood Watch
National Weather Service Dodge City KS
1200 AM CDT Thu Sep 30 2021


KSZ030-031-044>046-301500-
/O.CON.KDDC.FF.A.0003.000000T0000Z-210930T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Trego-Ellis-Lane-Ness-Rush-
Including the cities of Wakeeney, Pfeifer, Hays, Dighton, 
Ness City, and La Crosse
1200 AM CDT Thu Sep 30 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT THURSDAY...

The Flash Flood Watch continues for

* Portions of central Kansas and west central Kansas...including
  the following in central ...Kansas...Ellis and Rush. In west 
  central Kansas...Lane...Ness and Trego. 

* Until 10 AM CDT Thursday

* Thunderstorms will be capable of producing excessive rainfall 
  rates. Localized flooding of urban areas, streams and ditches 
  is possible. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$
294 
WGUS63 KDDC 301144
FFADDC

Flood Watch
National Weather Service Dodge City KS
644 AM CDT Thu Sep 30 2021

KSZ030-031-044>046-301245-
/O.CAN.KDDC.FF.A.0003.000000T0000Z-210930T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Trego-Ellis-Lane-Ness-Rush-
Including the cities of Wakeeney, Pfeifer, Hays, Dighton, 
Ness City, and La Crosse
644 AM CDT Thu Sep 30 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for portions of central Kansas and west
central Kansas has been cancelled. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 29, 6:45 PM CDTSpecial Weather StatementDDCComanche45 min
Sep 29, 6:47 PM CDTSpecial Weather StatementDDCComanche43 min

Nearby

Flash Flood Watches in Kansas, 2021Every flash flood watch in 2021

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.