Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 53, NWS Springfield, MO

August 5, 2003Douglas County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 5, 2003, 10:57 PM CDT for Douglas 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 5, 2003, 10:57 PM CDT (03:57 UTC)
Expired: Aug 6, 2003, 5:00 AM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Douglas County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.0 hours before the alert went out and 115 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: 2285 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1305 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 060358
FFWSGF
MOC067-061000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1057 PM CDT TUE AUG 5 2003

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 500 AM CDT.

* AT 1051 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.   
  DOPPLER RADAR ESTIMATED TWO TO FOUR INCHES OF RAIN HAS FALLEN OVER 
  PORTIONS OF DOUGLAS COUNTY SINCE 10 PM. 

* 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...AVA.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE 
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS 
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

BECAUSE OF THE HILLY TERRAIN OF THE OZARKS...THERE ARE HUNDREDS OF
LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO
NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT
ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES
AWAY.

LAT...LON 3707 9225 3680 9224 3681 9291 3708 9290

$$

JLT

1 follow-up statement

000 
WGUS73 KSGF 060526
FFSSGF
MOC067-060530-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1226 AM CDT WED AUG 6 2003

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR DOUGLAS COUNTY HAS
BEEN CANCELLED...

THUNDERSTORMS OVER DOUGLAS COUNTY HAVE ENDED...AND NO FLOODING HAS 
BEEN REPORTED. IF FLOODING WAS OBSERVED...PLEASE REPORT IT TO YOUR 
LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3680 9292 3706 9292 3707 9245 3706 9209
          3679 9209

$$

IZZI

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 7:32 PM CDT	Severe Thunderstorm Warning	SGF	Laclede	43 min
Aug 5, 7:36 PM CDT	Severe Thunderstorm Warning	SGF	Benton	54 min
Aug 5, 8:30 PM CDT	Severe Thunderstorm Warning	SGF	Benton	60 min
Aug 5, 8:58 PM CDT	Severe Thunderstorm Warning	SGF	Camden	62 min
Aug 5, 9:12 PM CDT	Severe Thunderstorm Warning	SGF	Laclede	63 min
Aug 5, 9:16 PM CDT	Severe Thunderstorm Warning	SGF	Webster	59 min
Aug 5, 9:31 PM CDT	Tornado Warning	SGF	Webster	44 min
Aug 5, 9:36 PM CDT	Severe Thunderstorm Warning	SGF	Wright	54 min
Aug 5, 9:59 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller	61 min
Aug 5, 10:03 PM CDT	Severe Thunderstorm Warning	SGF	Douglas	57 min
Aug 5, 10:05 PM CDT	Tornado Warning	SGF	Douglas, Wright	55 min
Aug 5, 10:46 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	59 min
Aug 5, 10:58 PM CDT	Severe Thunderstorm Warning	SGF	Douglas	62 min
Aug 6, 9:50 AM CDT	Severe Thunderstorm Warning	SGF	Ozark	55 min

Nearby

Flash Flood Warnings in Missouri, 2003 Every 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.