Alert archive / Missouri / Flash Flood Warnings in 2019

Flash Flood Warning 2, NWS Kansas City, MO

March 21, 2019Holt County, Missouri

NWS Kansas City, MO issued this flash flood warning at Mar 21, 2019, 7:29 PM CDT for Holt 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
Mar 21, 2019, 7:29 PM CDT (00:29 UTC)
Expired
Mar 21, 2019, 10:30 PM CDT
In force
3 hr
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Flood severity
None

County Holt County, MO

The radar

The Topeka radar (KTWX), 137 km from the middle of the area, began a volume at 00:33 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 109 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 2019-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2019-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2253 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

199 
WGUS53 KEAX 220029
FFWEAX
MOC087-220330-
/O.NEW.KEAX.FF.W.0002.190322T0029Z-190322T0330Z/
/00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
729 PM CDT THU MAR 21 2019

The National Weather Service in Pleasant Hill has issued a

* Flash Flood Warning for...
  A Levee Failure in...
  South central Holt County in northwestern Missouri...

* Until 1030 PM CDT.

* At 725 PM CDT, county emergency management officials requested a 
  flash flood warning for a levee that is expected to be overtopped 
  shortly. This will cause flash flash flooding along the Missouri 
  River south of Forest City. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

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

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3996 9522 3992 9508 3986 9505 3986 9509
      3987 9513 3991 9515 3990 9518 3990 9520
      3991 9521 3994 9520 3995 9523

$$

32
1 follow-up statement
038 
WGUS73 KEAX 220329
FFSEAX

Flash Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
1029 PM CDT THU MAR 21 2019

MOC087-220333-
/O.EXP.KEAX.FF.W.0002.000000T0000Z-190322T0330Z/
/00000.0.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Holt MO-
1029 PM CDT THU MAR 21 2019

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL HOLT COUNTY WILL EXPIRE
AT 1030 PM CDT...

Flood waters remain over area. Please continue to heed road closure 
and any evacuation order instructions.

LAT...LON 3996 9522 3992 9508 3986 9505 3986 9509
      3987 9513 3991 9515 3990 9518 3990 9520
      3991 9521 3994 9520 3995 9523

$$

32

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 21, 11:12 PM CDTFlash Flood WarningEAXBuchanan9 hr
Mar 22, 7:58 AM CDTFlash Flood WarningEAXBuchanan14 hr
Mar 22, 8:19 AM CDTFlash Flood WarningEAXBuchanan13 hr

Nearby

Flash Flood Warnings in Missouri, 2019Every flash flood warning in 2019

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.