Alert archive / Missouri / Flash Flood Warnings in 2001

Flash Flood Warning 23, NWS Springfield, MO

May 30, 2001Benton County, Camden County, Morgan County, Missouri

NWS Springfield, MO issued this flash flood warning at May 30, 2001, 10:12 PM CDT for Benton County, Camden County, Morgan 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
May 30, 2001, 10:12 PM CDT (03:12 UTC)
Expired
May 31, 2001, 1:15 AM CDT
In force
3 hr
Issued by
NWS Springfield, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Benton County, MO, Camden County, MO, Morgan County, MO

The radar

The Springfield radar (KSGF), 116 km from the middle of the area, began a volume at 03:16 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, 3.2 hours before the alert went out and 164 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 2001-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 375 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 00:00Z on 2001-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.193958Sfc1 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
375 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
307 m²/s²
Significant tornado parameter
0.3
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 310316
FFWSGF
MOC015-029-141-310615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1012 PM CDT WED MAY 30 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BENTON COUNTY IN CENTRAL MISSOURI
  NORTHWESTERN CAMDEN COUNTY IN CENTRAL MISSOURI
  SOUTHERN MORGAN COUNTY IN CENTRAL MISSOURI

* UNTIL 115 AM CDT

* AT 1006 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL EXTENDING FROM NEAR 
VERSAILLES...AND BARNETT...TO EDWARDS...MOVING NORTHEAST AT 20 MPH. 
DOPPLER RADAR ESTIMATED RAINFALL AMOUNTS OF ONE TO THREE INCHES 
SINCE 830 PM OVER THE WARNED AREA. 

* 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...VERSAILLES.

LAW ENFORCEMENT OFFICIALS IN MORGAN COUNTY REPORTED FLOODING OF 
HIGHWAY J NEAR GRAVOIS MILLS IN SOUTHERN MORGAN COUNTY. 

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 S=TREAM...EVEN A SMALL ONE...ON
FOOT.

LAT...LON 3808 9338 3806 9313 3825 9275 3841 9269
          3854 9278

FOSTER

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 7:55 PM CDTFlash Flood WarningSGFSt. Clair3 hr
May 30, 8:16 PM CDTTornado WarningSGFCamden, Morgan29 min
May 30, 11:45 PM CDTSevere Thunderstorm WarningSGFHowell, Ozark45 min
May 31, 12:21 AM CDTSevere Thunderstorm WarningSGFOregon39 min
May 31, 1:31 AM CDTFlash Flood WarningSGFBenton, Camden, Morgan3 hr

Nearby

Flash Flood Warnings in Missouri, 2001Every 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.