Alert archive / Missouri / Flash Flood Warnings in 2000

Flash Flood Warning 36, NWS Springfield, MO

July 20, 2000Greene County, Polk County, Missouri

NWS Springfield, MO issued this flash flood warning at Jul 20, 2000, 8:14 AM CDT for Greene County, Polk County, Missouri. It was in force for 3 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
Jul 20, 2000, 8:14 AM CDT (13:14 UTC)
Expired
Jul 20, 2000, 11:15 AM CDT
In force
3 hr
Issued by
NWS Springfield, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Greene County, MO, Polk County, MO

The radar

The Springfield radar (KSGF), 3 km from the middle of the area, began a volume at 13:17 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 12:00Z, 1.2 hours before the alert went out and 52 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 12:00Z on 2000-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1500 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, Springfield, MO at 12:00Z on 2000-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.19395878Sfc1 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
1500 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
271 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 201315
FFWSGF
MOC077-167-201615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
814 AM CDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN POLK COUNTY IN SOUTHWEST MISSOURI
  GREENE COUNTY IN SOUTHWEST MISSOURI

* UNTIL 1115 AM CDT

* AT 811 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH TORRENTIAL RAINFALL OVER GREENE AND POLK COUNTIES...
  MOVING NORTHEAST AT 20 MPH. DOPPLER RADAR ESTIMATED THAT 3 TO 4 INCHES
  OF RAIN HAS FALLEN ACROSS NORTHERN GREENE AND SOUTHERN POLK COUNTIES.

* 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 FLASH
  FLOODING INCLUDE...BATTLEFIELD...REPUBLIC...SPRINGFIELD...
  BROOKLINE...PLEASANT HOPE AND WILLARD.

THE SPRINGFIELD BRANSON REGIONAL AIRPORT HAS RECEIVED OVER AN INCH OF RAIN IN
THE LAST 30 MINUTES.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

LAT...LON 3727 9358 3711 9354 3710 9317 3752 9323
y          3751 9362

TERRY/BOOKBINDER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 6:41 AM CDTSevere Thunderstorm WarningSGFBarton, Vernon34 min
Jul 20, 6:50 AM CDTFlash Flood WarningSGFBarton, Cedar, Dade4 hr
Jul 20, 7:15 AM CDTSevere Thunderstorm WarningSGFDade, Greene30 min
Jul 20, 8:33 AM CDTSevere Thunderstorm WarningSGFBarry, Christian, Stone, Taney42 min
Jul 20, 8:33 AM CDTSevere Thunderstorm WarningSGFMcDonald42 min
Jul 20, 9:15 AM CDTSevere Thunderstorm WarningSGFDouglas, Ozark, Taney45 min

Nearby

Flash Flood Warnings in Missouri, 2000Every flash flood warning in 2000

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.