Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 56, NWS Springfield, MO

August 30, 2003Howell County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 30, 2003, 4:19 AM CDT for Howell 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: Aug 30, 2003, 4:19 AM CDT (09:19 UTC)
Expired: Aug 30, 2003, 8:30 AM CDT
In force: 4 hr
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Howell County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 9.3 hours before the alert went out and 174 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: 105 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 882 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 300920
FFWSGF
MOC091-301330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
419 AM CDT SAT AUG 30 2003

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HOWELL COUNTY IN MISSOURI

* UNTIL 830 AM CDT.

* AT 416 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THAT EXCESSIVE RAINFALL WAS PRODUCING FLOODING ACROSS THE WARNED
  AREA.

* EXCESSIVE RAINFALL WAS CAUSING FLASH FLOODING IN THE TOWN OF
  WEST PLAINS.

ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH ARE POSSIBLE IN THE 
WARNED AREA.

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 3705 9167 3653 9170 3651 9211 3707 9210

$$

LINDENBERG

1 follow-up statement

000 
WGUS73 KSGF 301107
FFSSGF
MOC091-301330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
604 AM CDT SAT AUG 30 2003

...FLASH FLOOD WARNING CONTINUES UNTIL 830 AM CDT FOR HOWELL
COUNTY...

AT 603 AM CDT...DOPPLER RADAR SHOWED THAT THE AREA OF HEAVY RAINFALL 
WHICH LEAD TO LOCALIZED FLOODING OVER HOWELL COUNTY...HAS PUSHED 
EAST AND OUT OF THE AREA.  DOPPLER RADAR ESTIMATED THAT BETWEEN 2 
AND 4 INCHES OF RAIN OCCURRED WITH THESE STORMS.

WHILE HEAVY RAIN HAS ENDED OVER THE AREA...RUNOFF FLOODING WILL 
CONTINUE OVER THE AREA FOR THE NEXT COUPLE OF HOURS...ESPECIALLY 
ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. 

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 3705 9167 3651 9170 3652 9212 3707 9211

$$

LINDENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 5:50 AM CDT	Flash Flood Warning	SGF	McDonald, Newton	4 hr
Aug 30, 2:03 PM CDT	Flash Flood Warning	SGF	Stone, Taney	3 hr

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.