Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 48, NWS Kansas City, MO

August 27, 2004Mercer County, Missouri

NWS Kansas City, MO issued this flash flood warning at Aug 27, 2004, 5:10 PM CDT for Mercer County, 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
Aug 27, 2004, 5:10 PM CDT (22:10 UTC)
Expired
Aug 27, 2004, 11:15 PM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

County Mercer County, MO

The radar

The Des Moines radar (KDMX), 142 km from the middle of the area, began a volume at 22:12 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 12:00Z, 10.2 hours before the alert went out and 241 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 12:00Z on 2004-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2123 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 12:00Z on 2004-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 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
2123 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
790 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
0.0
Supercell composite
12.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 272214
FFWEAX
MOC129-280415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
510 PM CDT FRI AUG 27 2004

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

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

* UNTIL 1115 PM CDT

* AT 505 PM CDT...THE PUBLIC REPORTED WATER IN AREA DRAINAGE DITCHES 
  AND SMALL CREEKS AND STREAMS ARE NEAR CAPACITY AND IN DANGER
  OF OVERFLOWING WITH ADDITIONAL HEAVY RAINFALL.

* THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL ARE TRAINING
  ACROSS THE SOUTHERN HALF OF THE COUNTY.  RUNOFF FROM THIS 
  EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MERCER...MILL GROVE...MODENA...PRINCETON...RAVANNA AND SALINE.
  CREEKS AFFECTED INCLUDED WEST AND EAST HONEY CREEKS AND
  THEIR TRIBUTARIES.

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

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
PLEASANT HILL.

LAT...LON 4058 9340 4028 9341 4028 9377 4059 9379

$$

SF
2 follow-up statements
000 
WGUS73 KEAX 280253
FFSEAX
MOC129-280415-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
952 PM CDT FRI AUG 27 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 1115 PM CDT FOR MERCER
COUNTY...

AT 945 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL THAT IMPACTED THE AREA
SINCE 5:30 PM CDT. DOPPLER RADAR ESTIMATED 2 TO 3 INCHES 
OF RAIN FELL ACROSS GENERALLY EAST OF HIGHWAY
65 AND SOUTH OF HIGHWAY 136...IMPACTING THE EAST AND WEST HONEY
CREEKS AND MUDDY CREEK.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING
TO OCCUR...INCLUDING THE RAVANNA...PRINCETON...MODENA AND MILL GROVE.

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

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS.

LAT...LON 4050 9338 4028 9340 4027 9377 4049 9377

$$

SF
000 
WGUS73 KEAX 280357
FFSEAX
MOC129-280430-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1057 PM CDT FRI AUG 27 2004

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR MERCER COUNTY WILL
BE ALLOWED TO EXPIRE AS SCHEDULED AT 11 PM CDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN SOUTHEAST MERCER COUNTY HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY OR TO THE
NATIONAL WEATHER SERVICE IN PLEASANT HILL.


REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS.

LAT...LON 4058 9338 4026 9339 4026 9378 4058 9378

$$

SF

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 8:47 PM CDTSevere Thunderstorm WarningEAXAtchison43 min
Aug 26, 9:11 PM CDTSevere Thunderstorm WarningEAXNodaway64 min
Aug 26, 9:30 PM CDTSevere Thunderstorm WarningEAXAtchison60 min
Aug 26, 10:12 PM CDTSevere Thunderstorm WarningEAXNodaway63 min
Aug 26, 10:16 PM CDTTornado WarningEAXNodaway59 min
Aug 26, 10:55 PM CDTTornado WarningEAXHarrison50 min
Aug 26, 11:03 PM CDTTornado WarningEAXWorth57 min
Aug 26, 11:21 PM CDTTornado WarningEAXMercer54 min
Aug 26, 11:48 PM CDTTornado WarningEAXHarrison42 min
Aug 27, 1:36 AM CDTSevere Thunderstorm WarningEAXMercer54 min
Aug 27, 4:00 PM CDTSevere Thunderstorm WarningEAXMercer, Putnam75 min
Aug 27, 4:23 PM CDTSevere Thunderstorm WarningEAXPutnam, Schuyler82 min
Aug 27, 5:20 PM CDTFlash Flood WarningEAXPutnam, Sullivan6 hr
Aug 27, 5:34 PM CDTFlash Flood WarningEAXGrundy6 hr
Aug 27, 5:57 PM CDTSevere Thunderstorm WarningEAXGrundy, Sullivan78 min
Aug 27, 6:09 PM CDTSevere Thunderstorm WarningEAXPlatte66 min

Nearby

Flash Flood Warnings in Missouri, 2004Every flash flood warning in 2004

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.