Alert archive / Kansas / Flash Flood Warnings in 2016

Flash Flood Warning 25, NWS Topeka, KS

May 27, 2016Marshall County, Kansas

NWS Topeka, KS issued this flash flood warning at May 27, 2016, 7:29 PM CDT for Marshall County, Kansas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 27, 2016, 7:29 PM CDT (00:29 UTC)
Expired
May 27, 2016, 11:30 PM CDT
In force
4 hr
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Flood severity
None

County Marshall County, KS

The radar

The Topeka radar (KTWX), 101 km from the middle of the area, began a volume at 00:32 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

Topeka, KS (KFOE), launched 00:00Z, 0.5 hours before the alert went out and 127 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, Topeka, KS at 00:00Z on 2016-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 807 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, Topeka, KS at 00:00Z on 2016-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939587897Sfc1 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
807 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted.

782 
WGUS53 KTOP 280029
FFWTOP
KSC117-280430-
/O.NEW.KTOP.FF.W.0025.160528T0029Z-160528T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
729 PM CDT FRI MAY 27 2016

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN MARSHALL COUNTY IN NORTHEASTERN KANSAS...

* UNTIL 1130 PM CDT

* AT 727 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAS
  ALREADY FALLEN ON SATURATED GROUND AND ADDITIONAL RAINFALL OF UP
  TO AN INCH IS POSSIBLE THIS EVENING. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MARYSVILLE...WATERVILLE AND BREMEN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3996 9652 3972 9653 3966 9681 3995 9680

$$
1 follow-up statement
116 
WGUS73 KTOP 280413
FFSTOP

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1113 PM CDT FRI MAY 27 2016

KSC117-280421-
/O.CAN.KTOP.FF.W.0025.000000T0000Z-160528T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARSHALL-
1113 PM CDT FRI MAY 27 2016

...THE FLASH FLOOD WARNING FOR NORTHWESTERN MARSHALL COUNTY IS
CANCELLED...

AT 1110 PM....EMERGENCY MANAGEMENT REPORTED ANY HIGH WATER FROM
EARLIER FLASH FLOODING HAS RECEDED. 

LAT...LON 3996 9652 3972 9653 3966 9681 3995 9680

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 7:10 PM CDTSpecial Weather StatementTOPRepublic35 min
May 27, 9:41 PM CDTRiver Flood WarningTOPRiley28 hr
May 27, 10:25 PM CDTRiver Flood WarningTOPGeary18 hr
May 28, 12:41 AM CDTRiver Flood WarningTOPWashington19 hr
May 28, 3:56 PM CDTRiver Flood WarningTOPCloud43 hr

Nearby

Flash Flood Warnings in Kansas, 2016Every flash flood warning in 2016

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.