Alert archive / Missouri / Flash Flood Warnings in 2010

Flash Flood Warning 21, NWS Kansas City, MO

June 8, 20104 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 8, 2010, 6:58 PM CDT for 4 counties in Missouri. It was in force for 6 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: Jun 8, 2010, 6:58 PM CDT (23:58 UTC)
Expired: Jun 9, 2010, 1:00 AM CDT
In force: 6 hr
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Flood severity: None

Counties Chariton County, MO, Howard County, MO, Randolph County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 125 km from the middle of the area, began a volume at 00:00 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

Springfield, MO (KSGF), launched 12:00Z, 12.0 hours before the alert went out and 271 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1646 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 713 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

257 
WGUS53 KEAX 082358
FFWEAX
MOC041-089-175-195-090600-
/O.NEW.KEAX.FF.W.0021.100608T2358Z-100609T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
658 PM CDT TUE JUN 8 2010

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHARITON COUNTY IN NORTH CENTRAL MISSOURI...
  EASTERN SALINE COUNTY IN CENTRAL MISSOURI...
  HOWARD COUNTY IN CENTRAL MISSOURI...
  RANDOLPH COUNTY IN NORTH CENTRAL MISSOURI...

* UNTIL 100 AM CDT WEDNESDAY

* AT 652 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERAL CLUSTERS OF THUNDERSTORMS WITH VERY HEAVY RAINFALL THAT ARE
  MOVING OR WILL MOVE ACROSS THE WARNED AREA. RAINFALL RATES FROM
  THESE THUNDERSTORMS HAVE AVERAGED 2 TO 3 INCHES PER HOUR...WHICH
  WILL LEAD TO THE RAPID PONDING OF WATER ON AREA ROADWAYS AND
  QUICKLY WILL OVERWHELM DRAINAGE DITCHES.  IN ADDITION...ADDITIONAL
  RAINFALL WILL AGGRAVATE ONGOING FLOODING OF TRIBUTARIES FEEDING
  THE LARGER RIVERS.
  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FAYETTE...GLASGOW...HUNTSVILLE...MOBERLY...SALISBURY...SLATER...
  ARMSTRONG...BRUNSWICK...CAIRO...HIGBEE...KEYTESVILLE AND NEW
  FRANKLIN.

   EXCESSIVE RAINFALL MAY LEAD TO RAPID RISES...AND REPEAT FLOODING
   ALONG THE CHARITON RIVER NEAR PRAIRIE HILL...AND NEAR BANKFULL
   CONDITIONS ALONG MONITEAU NEAR FAYETTE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. TURN
AROUND... DONT DROWN.

&&

LAT...LON 3925 9243 3901 9256 3897 9256 3898 9286
      3902 9292 3906 9294 3897 9305 3895 9305
      3894 9307 3941 9320 3941 9317 3938 9315
      3938 9312 3940 9312 3942 9314 3943 9321
      3960 9327 3961 9230

$$

SF

1 follow-up statement

264 
WGUS73 KEAX 090139
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
839 PM CDT TUE JUN 8 2010

MOC041-089-175-195-090600-
/O.CON.KEAX.FF.W.0021.000000T0000Z-100609T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HOWARD MO-SALINE MO-RANDOLPH MO-CHARITON MO-
839 PM CDT TUE JUN 8 2010

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CHARITON...RANDOLPH...
EASTERN SALINE AND HOWARD COUNTIES UNTIL 100 AM CDT...

AT 831 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR
RAINFALL ESTIMATES INDICATE THAT TWO TO THREE INCHES OF RAIN HAS FALLEN
ACROSS PORTIONS OF THE WARNED AREA SINCE 7 PM.  THE BASINS MOST PARTICULARLY 
IMPACTED INCLUDE...HURRICANE CREEK...SALT CREEK AND TRIBUTARIES OF THE GRAND 
RIVER.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FAYETTE...GLASGOW...HUNTSVILLE...MOBERLY...SALISBURY...SLATER...
ARMSTRONG...BRUNSWICK...CAIRO...HIGBEE...KEYTESVILLE AND NEW
FRANKLIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

&&

LAT...LON 3925 9243 3901 9256 3897 9256 3898 9286
      3902 9292 3906 9294 3897 9305 3895 9305
      3894 9307 3941 9320 3941 9317 3938 9315
      3938 9312 3940 9312 3942 9314 3943 9321
      3960 9327 3961 9230

$$

SF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 7:41 PM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	76 days
Jun 8, 10:34 AM CDT	High Wind Warning	EAX	Lafayette, Saline	86 min
Jun 8, 10:56 AM CDT	River Flood Warning	EAX	Chariton, Macon	22 hr
Jun 8, 2:55 PM CDT	Flash Flood Watch	EAX	Bates, Cass, Cooper, Henry, Howard, Jackson and 4 more	10 hr
Jun 8, 4:05 PM CDT	River Flood Warning	EAX	Andrew, Nodaway	9 hr
Jun 8, 4:23 PM CDT	Special Weather Statement	EAX	Cass, Jackson	52 min
Jun 8, 4:29 PM CDT	Areal Flood Advisory	EAX	Cass, Jackson	6 hr
Jun 8, 4:37 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	38 min
Jun 8, 4:45 PM CDT	Flash Flood Warning	EAX	Cass, Jackson	6 hr
Jun 8, 5:12 PM CDT	River Flood Warning	EAX	Jackson	4 hr
Jun 8, 5:13 PM CDT	Special Weather Statement	EAX	Johnson, Lafayette	47 min
Jun 8, 5:39 PM CDT	Tornado Warning	EAX	Cass	21 min
Jun 8, 6:06 PM CDT	Flash Flood Warning	EAX	Carroll, Lafayette, Ray, Saline	6 hr
Jun 8, 6:13 PM CDT	Flash Flood Warning	EAX	Henry, Johnson	6 hr
Jun 8, 6:21 PM CDT	Flash Flood Warning	EAX	Clay, Jackson, Ray	3 hr
Jun 8, 6:26 PM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	35 hr
Jun 8, 6:26 PM CDT	River Flood Warning	EAX	Bates, Cass, Henry	51 hr
Jun 8, 6:56 PM CDT	Special Weather Statement	EAX	Johnson	34 min

Nearby

Flash Flood Warnings in Missouri, 2010 Every flash flood warning in 2010

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.