Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 41, NWS Springfield, MO

July 1, 2004Webster County, Missouri

NWS Springfield, MO issued this flash flood warning at Jul 1, 2004, 7:38 PM CDT for Webster County, Missouri. It was in force for 4 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
Jul 1, 2004, 7:38 PM CDT (00:38 UTC)
Expired
Jul 1, 2004, 11:30 PM CDT
In force
4 hr
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

County Webster County, MO

The radar

The Springfield radar (KSGF), 43 km from the middle of the area, began a volume at 00:39 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 00:00Z, 0.6 hours before the alert went out and 88 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, Springfield, MO at 00:00Z on 2004-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1465 joules per kilogram.LCLEL10008507005003002001001 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, Springfield, MO at 00:00Z on 2004-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
1465 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
30 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 KSGF 020039
FFWSGF
MOC225-020430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
738 PM CDT THU JUL 1 2004

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEBSTER COUNTY IN SOUTHWEST MISSOURI.

* UNTIL 1130 PM CDT.

* AT 734 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  DOPPLER RADAR ESTIMATED RAINFALL AMOUNTS APPROACHING TWO INCHES    
  WITHIN THE LAST HOUR. IN ADDITION...THE PUBLIC REPORTED A HALF    
  INCH OF RAINFALL IN A FIVE MINUTE PERIOD JUST NORTH OF MARSHFIELD.

* 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...DIGGINS...FORDLAND...MARSHFIELD...NIANGUA...SEYMOUR...
  ELKLAND...NORTHVIEW AND RADER.

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.

LAT...LON 3713 9305 3710 9270 3747 9272 3746 9305

$$

SAW
3 follow-up statements
000 
WGUS73 KSGF 020059
FFSSGF
MOC225-020430-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
759 PM CDT THU JUL 1 2004

...FLASH FLOOD WARNING CONTINUES FOR WEBSTER COUNTY UNTIL 1130 PM
CDT...

AT 750 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT WATER 
WAS OVER THE ROADWAY ON THE SOUTHBOUND LANE OF HIGHWAY FF AT THE 
INTERSECTION OF HIGHWAY A. IN ADDTION...WATER OVER THE ROADWAY WAS 
REPORTED OVER HIGHWAY 60 EAST OF FORDLAND.

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.

$$

SAW
000 
WGUS73 KSGF 020228
FFSSGF
MOC225-020430-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
926 PM CDT THU JUL 1 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 1130 PM CDT FOR WEBSTER
COUNTY...

AT 915 PM...HEAVY RAINFALL HAD ENDED ACROSS WEBSTER COUNTY. HEAVY 
RAINFALL FROM EARLIER IN THE EVENING CONTINUES TO PRODUCE RUNOFF AND 
FLOODING OF ROADWAYS ALONG WITH LOW WATER CROSSINGS.  DOPPLER RADAR 
ESTIMATED RAINFALL AMOUNTS THIS EVENING APPROACHING TWO AND HALF 
INCHES WITH LOCALLY HEAVIER AMOUNTS.
&&

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.

$$

SAW
000 
WGUS73 KSGF 020424
FFSSGF
MOC225-020440-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1124 PM CDT THU JUL 1 2004

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WEBSTER COUNTY 
WILL BE 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.

&&

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

$$

SAW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 1, 7:15 PM CDTFlash Flood WarningSGFDouglas4 hr
Jul 1, 8:17 PM CDTFlash Flood WarningSGFDallas, Laclede, Wright4 hr
Jul 2, 6:00 PM CDTSevere Thunderstorm WarningSGFBarton, Jasper60 min
Jul 2, 6:18 PM CDTTornado WarningSGFJasper42 min
Jul 2, 6:36 PM CDTSevere Thunderstorm WarningSGFLawrence54 min
Jul 2, 6:53 PM CDTSevere Thunderstorm WarningSGFNewton52 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.