Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 11, NWS Kansas City, MO

June 30, 2003Randolph County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 30, 2003, 3:36 PM CDT for Randolph 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
Jun 30, 2003, 3:36 PM CDT (20:36 UTC)
Expired
Jun 30, 2003, 9:30 PM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

County Randolph County, MO

The radar

The Pleasant Hill radar (KEAX), 154 km from the middle of the area, began a volume at 20:40 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, 8.6 hours before the alert went out and 262 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 2003-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 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 2003-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
41 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 302039
FFWEAX
MOC175-010230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
336 PM CDT MON JUN 30 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN RANDOLPH COUNTY IN NORTH CENTRAL MISSOURI

* UNTIL 930 PM CDT

* AT 335 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING
  INCLUDE...MOUNT AIRY...HUNTSVILLE AND CLIFTON HILL.

DOPPLER RADAR ESTIMATED RAINFALL IN EXCESS OF TWO INCHES HAS FALLEN 
ACROSS SOUTHWESTERN RANDOLPH COUNTY IN THE PAST HOUR...WITH 
ADDITIONAL HEAVY RAINFALL EXPECTED. RUNOFF FROM THIS EXCESSIVE 
RAINFALL WILL LEAD TO RAPID RISES...AND THE THREAT OF FLASH 
FLOODING...ON AREA STREAMS AND CREEKS.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND.

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

LAT...LON 3935 9272 3929 9253 3942 9252 3949 9269

$$


SEAMAN
2 follow-up statements
000 
WGUS73 KEAX 010126
FFSEAX
MOC175-010245-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
812 PM CDT MON JUN 30 2003

...FLASH FLOOD WARNING CONTINUES UNTIL 930 PM CDT FOR WESTERN 
RANDOLPH COUNTY...

DOPPLER RADAR INDICATES THAT THE THUNDERSTORMS WHICH PRODUCED THE 
HEAVY RAINFALL HAVE DISSIPATED OR HAVE MOVED OUT OF THE AREA DURING 
THE LAST COUPLE OF HOURS. HOWEVER...EXCESSIVE RUNOFF FROM RECENT 
STORMS WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY 
ROADS...AND NORMALLY DRY WASHES...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS. 

MOUNT AIRY AND LOCATIONS TO THE SOUTHWEST RECEIVED THE HEAVIEST 
RAINFALL. CREEKS AFFECTED WITHIN THIS AREA INCLUDE...SILVER CREEK.   

LAT...LON 3933 9271 3928 9254 3943 9252 3950 9271

$$

DB
000 
WGUS73 KEAX 010230
FFSEAX
MOC175-010330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
926 PM CDT MON JUN 30 2003

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT UNTIL 930 PM FOR 
WESTERN RANDOLPH COUNTY HAS BEEN ALLOWED TO EXPIRE...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA 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.

LAT...LON 3933 9272 3931 9253 3954 9252 3955 9270

$$

DB

Nearby

Flash Flood Warnings in Missouri, 2003Every flash flood warning in 2003

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.