Alert archive / Missouri / Flash Flood Watches in 2021

Flash Flood Watch 5, NWS Kansas City, MO

July 9, 202111 counties in Missouri

NWS Kansas City, MO issued this flash flood watch at Jul 9, 2021, 2:26 AM CDT for 11 counties in Missouri. It took effect at Jul 9, 2021, 7:00 PM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Jul 9, 2021, 2:26 AM CDT (07:26 UTC)
In effect from
Jul 9, 2021, 7:00 PM CDT
Expired
Jul 10, 2021, 10:00 AM CDT
In force
15 hr
Issued by
NWS Kansas City, MO
Flood severity
None

Counties Adair County, MO, Chariton County, MO, Grundy County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Putnam County, MO, Randolph County, MO, Schuyler County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 173 km from the middle of the area, began a volume at 07:26 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 (KTOP), launched 00:00Z, 7.4 hours before the alert went out and 253 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 2021-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2021-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
1629 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

023 
WGUS63 KEAX 090726
FFAEAX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Kansas City/Pleasant Hill MO
226 AM CDT Fri Jul 9 2021

MOZ006>008-015>017-024-025-091530-
/O.NEW.KEAX.FF.A.0005.210710T0000Z-210710T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mercer-Putnam-Schuyler-Grundy-Sullivan-Adair-Linn MO-Macon-
Including the cities of Lancaster, Trenton, La Plata, Princeton,
Kirksville, Green City, Unionville, Milan, Downing, Greentop,
Queen City, Marceline, Mercer, Brookfield, Macon, and Glenwood
226 AM CDT Fri Jul 9 2021

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY 
MORNING...

The National Weather Service in Pleasant Hill MO has issued a

* Flash Flood Watch for Portions of north central and northeast 
  Missouri, including the following areas, in north central 
  Missouri, Grundy, Linn MO, Macon, Mercer, Putnam and Sullivan. In 
  northeast Missouri, Adair and Schuyler.

* From this evening through Saturday morning.

* Thunderstorms with the potential for repeated rounds of heavy 
  rainfall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Blair
4 follow-up statements
546 
WGUS63 KEAX 091523
FFAEAX

Flood Watch
National Weather Service Kansas City/Pleasant Hill MO
1023 AM CDT Fri Jul 9 2021

MOZ006>008-015>017-024-025-092330-
/O.CON.KEAX.FF.A.0005.210710T0000Z-210710T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mercer-Putnam-Schuyler-Grundy-Sullivan-Adair-Linn MO-Macon-
Including the cities of Lancaster, Trenton, La Plata, Princeton,
Kirksville, Green City, Unionville, Milan, Downing, Greentop,
Queen City, Marceline, Mercer, Brookfield, Macon, and Glenwood
1023 AM CDT Fri Jul 9 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING 
THROUGH SATURDAY MORNING...

The Flash Flood Watch continues for

* Portions of north central and northeast Missouri, including the 
  following areas, in north central Missouri, Grundy, Linn MO, 
  Macon, Mercer, Putnam and Sullivan. In northeast Missouri, Adair 
  and Schuyler.

* From 7 PM CDT this evening through Saturday morning.

* Thunderstorms with the potential for repeated rounds of heavy 
  rainfall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Atkins
167 
WGUS63 KEAX 091949
FFAEAX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Kansas City/Pleasant Hill MO
249 PM CDT Fri Jul 9 2021

MOZ023-032-033-101200-
/O.EXA.KEAX.FF.A.0005.210710T0000Z-210710T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Livingston-Chariton-Randolph-
Including the cities of Moberly, Brunswick, Chillicothe,
Keytesville, and Salisbury
249 PM CDT Fri Jul 9 2021

...FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH 
SATURDAY MORNING...

The National Weather Service in Pleasant Hill MO has expanded the

* Flash Flood Watch to include A portion of north central Missouri, 
  including the following areas, Chariton, Livingston and Randolph.

* From 7 PM CDT this evening through Saturday morning.

* Multiple rounds of storms with heavy rainfall are expected, which 
  will lead to the potential for flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

MOZ006>008-015>017-024-025-101200-
/O.CON.KEAX.FF.A.0005.210710T0000Z-210710T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mercer-Putnam-Schuyler-Grundy-Sullivan-Adair-Linn MO-Macon-
Including the cities of Lancaster, Trenton, La Plata, Princeton,
Kirksville, Green City, Unionville, Milan, Downing, Greentop,
Queen City, Marceline, Mercer, Brookfield, Macon, and Glenwood
249 PM CDT Fri Jul 9 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING 
THROUGH SATURDAY MORNING...

The Flash Flood Watch continues for

* Portions of north central and northeast Missouri, including the 
  following areas, in north central Missouri, Grundy, Linn MO, 
  Macon, Mercer, Putnam and Sullivan. In northeast Missouri, Adair 
  and Schuyler.

* From 7 PM CDT this evening through Saturday morning.

* Multiple rounds of storms with heavy rainfall are expected, which 
  will lead to the potential for flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Atkins
642 
WGUS63 KEAX 101233
FFAEAX

Flood Watch
National Weather Service Kansas City/Pleasant Hill MO
733 AM CDT Sat Jul 10 2021

MOZ006>008-015>017-023>025-032-033-101500-
/O.CON.KEAX.FF.A.0005.000000T0000Z-210710T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mercer-Putnam-Schuyler-Grundy-Sullivan-Adair-Livingston-Linn MO-
Macon-Chariton-Randolph-
Including the cities of Lancaster, Trenton, Brunswick, La Plata,
Princeton, Keytesville, Kirksville, Moberly, Brookfield, Green
City, Unionville, Milan, Downing, Salisbury, Greentop, Queen
City, Marceline, Mercer, Chillicothe, Macon, and Glenwood
733 AM CDT Sat Jul 10 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT THIS 
MORNING...

The Flash Flood Watch continues for

* Portions of north central and northeast Missouri, including the 
  following areas, in north central Missouri, Chariton, Grundy, Linn 
  MO, Livingston, Macon, Mercer, Putnam, Randolph and Sullivan. In 
  northeast Missouri, Adair and Schuyler.

* Until 10 AM CDT this morning.

* Continued showers and storms this morning could lead to additional 
  flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Atkins
250 
WGUS63 KEAX 101458
FFAEAX

Flood Watch
National Weather Service Kansas City/Pleasant Hill MO
958 AM CDT Sat Jul 10 2021

MOZ006>008-015>017-023>025-032-033-101600-
/O.EXP.KEAX.FF.A.0005.000000T0000Z-210710T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mercer-Putnam-Schuyler-Grundy-Sullivan-Adair-Livingston-Linn MO-
Macon-Chariton-Randolph-
Including the cities of Lancaster, Trenton, Brunswick, La Plata,
Princeton, Keytesville, Kirksville, Moberly, Brookfield, Green
City, Unionville, Milan, Downing, Salisbury, Greentop, Queen
City, Marceline, Mercer, Chillicothe, Macon, and Glenwood
958 AM CDT Sat Jul 10 2021

...FLASH FLOOD WATCH WILL EXPIRE AT 10 AM CDT THIS MORNING...

The Flash Flood Watch for Portions of north central and northeast 
Missouri, including the following areas, in north central Missouri, 
Chariton, Grundy, Linn MO, Livingston, Macon, Mercer, Putnam, 
Randolph and Sullivan. In northeast Missouri, Adair and Schuyler. 
will expire at 10 AM CDT this morning.

The Flood Watch is cancelled. Flooding is no longer expected to pose 
a threat. Please continue to heed remaining road closures.
The Flood Watch is cancelled. Flooding is no longer expected to pose 
a threat. Please continue to heed remaining road closures.

$$

Atkins

Nearby

Flash Flood Watches in Missouri, 2021Every flash flood watch in 2021

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.