Alert archive / Kansas / Flash Flood Warnings in 2020
Flash Flood Warning 9, NWS Dodge City, KS
NWS Dodge City, KS issued this flash flood warning at Aug 3, 2020, 6:03 AM CDT for Grant County, Haskell County, Kansas. It was in force for 4 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 3, 2020, 6:03 AM CDT (11:03 UTC)
- Expired
- Aug 3, 2020, 10:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS Dodge City, KS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Grant County, KS, Haskell County, KS
The radar
The Dodge City radar (KDDC), 99 km from the middle of the area, began a volume at 11:07 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 3, 9:50 AM CDT | HEAVY RAIN 6 | 4 Sse Ryus, KS | FACEBOOK POST OF A RAIN GAUGE WITH 6 INCHES OF RAIN FROM THE MORNING THUNDERSTORMS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 11.1 hours before the alert went out and 106 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
- 1 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 1709 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
748
WGUS53 KDDC 031103
FFWDDC
KSC067-081-031400-
/O.NEW.KDDC.FF.W.0009.200803T1103Z-200803T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
603 AM CDT Mon Aug 3 2020
The National Weather Service in Dodge City has issued a
* Flash Flood Warning for...
Southeastern Grant County in southwestern Kansas...
Southwestern Haskell County in southwestern Kansas...
* Until 900 AM CDT.
* At 602 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flooding include...
Satanta and Ryus.
Additional rainfall amounts of 1 to 1.5 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3764 10101 3739 10099 3739 10116 3764 10115
FLASH FLOOD...RADAR INDICATED
$$
RBURG1 follow-up statement
486
WGUS53 KDDC 031247
FFWDDC
KSC067-081-031530-
/O.EXT.KDDC.FF.W.0009.000000T0000Z-200803T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Dodge City KS
747 AM CDT Mon Aug 3 2020
The National Weather Service in Dodge City has extended the
* Flash Flood Warning for...
Southeastern Grant County in southwestern Kansas...
Southwestern Haskell County in southwestern Kansas...
* Until 1030 AM CDT.
* At 746 AM CDT, law enforcement reported thunderstorms producing
heavy rain across the warned area. Up to three inches of rain have
already fallen. Flash flooding is already occurring on county
roads near and south of Ryus.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flooding include...
Satanta and Ryus.
Additional rainfall amounts of up to one inch are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3764 10101 3739 10099 3739 10116 3764 10115
FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1 INCH IN 1 HOUR
$$
TATROThe office that day
Everything else NWS Dodge City, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 5:15 AM CDT | Special Weather Statement | DDC | Seward | 45 min |
| Aug 3, 5:51 AM CDT | Special Weather Statement | DDC | Kearny | 39 min |
| Aug 3, 6:12 AM CDT | Special Weather Statement | DDC | Kearny | 48 min |
| Aug 3, 6:20 AM CDT | Special Weather Statement | DDC | Seward | 40 min |
| Aug 3, 6:21 AM CDT | Special Weather Statement | DDC | Grant | 39 min |
| Aug 3, 7:10 AM CDT | Special Weather Statement | DDC | Kearny | 35 min |
| Aug 3, 7:11 AM CDT | Special Weather Statement | DDC | Haskell | 34 min |
| Aug 3, 7:30 AM CDT | Flash Flood Warning | DDC | Seward | 3 hr |
| Aug 3, 8:28 AM CDT | Special Weather Statement | DDC | Seward | 32 min |
| Aug 3, 9:57 AM CDT | Areal Flood Warning | DDC | Grant, Haskell, Seward, Stevens | 6 hr |
Nearby
Flash Flood Warnings in Kansas, 2020Every flash flood warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.