Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 44, NWS Kansas City, MO

August 28, 2016Grundy County, Missouri

NWS Kansas City, MO issued this flash flood warning at Aug 28, 2016, 7:27 PM CDT for Grundy County, Missouri. 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 outline as issued.

The facts

Issued
Aug 28, 2016, 7:27 PM CDT (00:27 UTC)
Expired
Aug 28, 2016, 10:30 PM CDT
In force
3 hr
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Flood severity
None

County Grundy County, MO

The radar

The Pleasant Hill radar (KEAX), 164 km from the middle of the area, began a volume at 00:30 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 224 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 2016-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1611 joules per kilogram.LCLEL10008507005003002001001 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 2016-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
1611 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1337 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted.

731 
WGUS53 KEAX 290027
FFWEAX
MOC079-290330-
/O.NEW.KEAX.FF.W.0044.160829T0027Z-160829T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
727 PM CDT SUN AUG 28 2016

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GRUNDY COUNTY IN NORTH CENTRAL MISSOURI...

* UNTIL 1030 PM CDT

* AT 726 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY. SEVERAL FEET OF WATER WERE REPORTED IN TRENTON AT
  724 PM WHERE FLOODING DOES NOT TYPICALLY OCCUR.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  TRENTON...SPICKARD...GALT...TINDALL AND BRIMSON. 

LAT...LON 4005 9337 4005 9377 4027 9376 4026 9338
      4027 9336

$$

WELSH
1 follow-up statement
421 
WGUS73 KEAX 290204
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
904 PM CDT SUN AUG 28 2016

MOC079-290214-
/O.CAN.KEAX.FF.W.0044.000000T0000Z-160829T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRUNDY MO-
904 PM CDT SUN AUG 28 2016

...THE FLASH FLOOD WARNING FOR GRUNDY COUNTY IS CANCELLED...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 4005 9337 4005 9377 4027 9376 4026 9338
      4027 9336

$$

WELSH

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 28, 7:14 PM CDTSpecial Weather StatementEAXGrundy, Mercer31 min
Aug 28, 8:13 PM CDTSpecial Weather StatementEAXCass, Jackson, Platte32 min
Aug 28, 8:15 PM CDTAreal Flood AdvisoryEAXClay, Jackson, Platte3 hr
Aug 28, 8:54 PM CDTSpecial Weather StatementEAXJackson, Platte36 min
Aug 28, 10:04 PM CDTFlash Flood WarningEAXPlatte2 hr
Aug 29, 3:17 PM CDTFlash Flood WatchEAXAndrew, Atchison, Buchanan, Holt, Nodaway24 hr
Aug 29, 5:54 PM CDTSpecial Weather StatementEAXHarrison36 min
Aug 29, 6:14 PM CDTSevere Thunderstorm WarningEAXSchuyler46 min

Nearby

Flash Flood Warnings in Missouri, 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.