Alert archive / Missouri / Flash Flood Warnings in 2002

Flash Flood Warning 11, NWS Springfield, MO

May 6, 2002McDonald County, Newton County, Missouri

NWS Springfield, MO issued this flash flood warning at May 6, 2002, 1:49 AM CDT for McDonald County, Newton County, Missouri. It was in force for 5 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
May 6, 2002, 1:49 AM CDT (06:49 UTC)
Expired
May 6, 2002, 6:30 AM CDT
In force
5 hr
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

Counties McDonald County, MO, Newton County, MO

The radar

The Springfield radar (KSGF), 91 km from the middle of the area, began a volume at 06:49 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, 6.8 hours before the alert went out and 44 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 2002-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 303 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 2002-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 195 square meters per square second.1939587897Sfc1 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
303 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
1379 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
195 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 060649
FFWSGF
MOC119-145-061130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
145 AM CDT MON MAY 6 2002

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MCDONALD COUNTY IN SOUTHWEST MISSOURI
  NEWTON COUNTY IN SOUTHWEST MISSOURI

* UNTIL 630 AM CDT

* AT 145 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING OUT OF NORTHEAST 
OKLAHOMA INTO FAR SOUTHWEST MISSOURI. DOPPLER RADAR ESTIMATED THAT 
THE STORMS HAD ALREADY PRODUCED OVER AN INCH OF RAIN IN WESTERN 
PORTIONS OF NEWTON COUNTY.

* WHILE THE STORMS ARE MOVING RAPIDLY EAST...THE REPEAT NATURE OF 
THE THUNDERSTORMS WILL LEAD TO SEVERAL PERIODS OF VERY HEAVY RAIN.  
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR. IN ADDITION TO URBAN FLOODING IN NEOSHO...SOME LOCATIONS THAT 
WILL EXPERIENCE FLOODING WILL LIKELY INCLUDE...SAGINAW... 
PINEVILLE...NOEL...LEAWOOD... LANAGAN...GRANBY ...GOODMAN AND 
...FAIRVIEW.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...URBAN AREAS...COUNTY HIGHWAYS...AS WELL AS 
OTHER DRAINAGE AREAS AND LOW WATER CROSSINGS. 

FLASH FLOODING IS ESPECIALLY DEADLY AT NIGHT.  IF FLOODING IS 
OBSERVED...TURN AROUND AND SEEK A DIFFERENT ROUTE.  YOUR LIFE MAY 
DEPEND UPON IT.

LAT...LON 3704 9408 3651 9411 3652 9460 3704 9459

RUNNELS

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 2:09 AM CDTSevere Thunderstorm WarningSGFMcDonald21 min
May 6, 2:50 AM CDTSevere Thunderstorm WarningSGFMcDonald40 min
May 6, 3:27 AM CDTSevere Thunderstorm WarningSGFStone33 min

Nearby

Flash Flood Warnings in Missouri, 2002Every flash flood warning in 2002

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.