Flash Flood Warning 28, NWS Topeka, KS

Issued

Aug 13, 2021, 2:51 AM CDT (07:51 UTC)

Expired

Aug 13, 2021, 7:00 AM CDT

In force

4 hr

Issued by

NWS Topeka, KS

Area

Storm-based polygon

Flood severity

None

County Lyon County, KS

The Topeka radar (KTWX), 84 km from the middle of the area, began a volume at 07:52 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.

888 
WGUS53 KTOP 130751
FFWTOP
KSC111-131200-
/O.NEW.KTOP.FF.W.0028.210813T0751Z-210813T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Topeka KS
251 AM CDT Fri Aug 13 2021

The National Weather Service in Topeka has issued a

* Flash Flood Warning for...
  Southern Lyon County in east central Kansas...

* Until 700 AM CDT.

* At 251 AM CDT, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1 and 2 inches of rain have fallen. Additional rainfall amounts of 
  1 to 2 inches are possible in the warned area. Flash flooding is 
  ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar and automated gauges.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Olpe, Hartford and Neosho Rapids.

This includes the following highways...
	Interstate 35 between mile markers 142 and 143.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3817 9596 3817 9636 3828 9636 3827 9616
      3843 9595

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

BD

824 
WGUS73 KTOP 131157
FFSTOP

Flash Flood Statement
National Weather Service Topeka KS
657 AM CDT Fri Aug 13 2021

KSC111-131207-
/O.EXP.KTOP.FF.W.0028.000000T0000Z-210813T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lyon KS-
657 AM CDT Fri Aug 13 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 7 AM CDT THIS MORNING FOR 
SOUTHERN LYON COUNTY...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures. A flood advisory replaces the previous flash flood
warning. Conditions will continue to improve over the next couple of 
hours.

LAT...LON 3817 9596 3817 9636 3828 9636 3827 9616
      3843 9595

$$

BD

Flash Flood Warnings in Kansas, 2021Every flash flood warning in 2021

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.