Alert archive / Missouri / Flash Flood Warnings in 2001

Flash Flood Warning 71, NWS Springfield, MO

August 10, 2001Howell County, Oregon County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 10, 2001, 7:30 PM CDT for Howell County, Oregon 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Aug 10, 2001, 7:30 PM CDT (00:30 UTC)
Expired: Aug 10, 2001, 11:15 PM CDT
In force: 4 hr
Issued by: NWS Springfield, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Howell County, MO, Oregon County, MO

The radar

The Springfield radar (KSGF), 168 km from the middle of the area, began a volume at 00:29 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, 0.5 hours before the alert went out and 194 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: 1631 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 677 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 117 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 110034
FFWSGF
MOC091-149-110415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
730 PM CDT FRI AUG 10 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN HOWELL COUNTY IN SOUTH CENTRAL MISSOURI
  OREGON COUNTY IN SOUTH CENTRAL MISSOURI

* UNTIL 1115 PM CDT

* AT 725 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT   
  FLOODING OF SMALL STREAMS AND LOW LYING AREAS CONTINUED IN     
  SOUTHEAST HOWELL COUNTY...AND HOWELL CREEK WAS REPORTED TO BE AT   
  BANKFULL.  RADAR ESTIMATES OF 3 TO 6 INCHES OF RAINFALL WERE 
  INDICATED OVER PORTIONS OF EASTERN HOWELL AND OREGON COUNTIES.  
  ALTHOUGH THE RAIN HAD ENDED...EXCESSIVE RUNOFF CONTINUES. 

* FLASH FLOODING WILL OCCUR ALONG HOWELL CREEK AND SURROUNDING 
  STREAMS IN SOUTHEAST HOWELL COUNTY...AND ON THE WARM FORK RIVER IN 
  SOUTHWEST OREGON COUNTY.  FLASH FLOODING WILL ALSO OCCUR ON 
  SOME OF THE TRIBUTARIES INTO THE ELEVEN POINT RIVER OF EASTERN 
  OREGON COUNTY.

  IN ADDITION...RAPID AND SIGNIFICANT RISES WILL BE LIKELY ON THE 
  ELEVEN POINT RIVER.  CAMPERS ALONG THE RIVER SHOULD BE PREPARED TO 
  MOVE TO HIGHER GROUND.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW WATER CROSSINGS IF WATER COVERS THE
ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON
FOOT.

LAT...LON 3678 9191 3651 9202 3651 9114 3681 9112
          3683 9169

FOSTER

Nearby

Flash Flood Warnings in Missouri, 2001 Every flash flood warning in 2001

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.