Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 11, NWS Springfield, MO

May 6, 2003Christian County, Greene County, Lawrence County, Missouri

NWS Springfield, MO issued this flash flood warning at May 6, 2003, 7:30 PM CDT for Christian County, Greene County, Lawrence County, Missouri. It was in force for 6 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, 2003, 7:30 PM CDT (00:30 UTC)
Expired: May 7, 2003, 1:30 AM CDT
In force: 6 hr
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

Counties Christian County, MO, Greene County, MO, Lawrence County, MO

The radar

The Springfield radar (KSGF), 14 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 40 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: 2206 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1529 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 141 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 14.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 070033
FFWSGF
MOC043-077-109-070630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
730 PM CDT TUE MAY 6 2003

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CHRISTIAN COUNTY IN MISSOURI
  SOUTHEASTERN LAWRENCE COUNTY IN MISSOURI
  SOUTHERN GREENE COUNTY IN MISSOURI

* UNTIL 130 AM CDT

* AT 724 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.   
  DOPPLER RADAR ESTIMATED ONE TO TWO INCHES OF RAIN ACROSS THE
  WARNED AREA

* 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 FLOODING   
  INCLUDE...SPRINGFIELD...REPUBLIC...CLEVER...BROOKLINE...BILLINGS 
  AND BATTLEFIELD.

FLASH FLOODING WILL QUICKLY DEVELOP IN THE CITY OF SPRINGFIELD

AN ADDITIONAL ONE TO THREE INCHES WILL BE POSSIBLE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

LAT...LON 3729 9310 3700 9305 3701 9365 3693 9388
          3716 9386

$$

FOSTER

1 follow-up statement

000 
WGUS73 KSGF 070247
FFSSGF
MOC043-077-109-070300-

NATIONAL WEATHER SERVICE SPRINGFIELD MO
944 PM CDT TUE MAY 6 2003

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN 
CHRISTIAN...SOUTHEASTERN LAWRENCE AND SOUTHERN GREENE COUNTIES HAS 
BEEN CANCELLED...

ALTHOUGH RAINFALL AMOUNTS OF ONE TO ONE AND A HALF INCHES FELL IN 
THESE AREAS IN LESS THAN ONE HOUR...NO FLOODING HAS BEEN REPORTED 
AND ALL THE RAINFALL THAT OCCURRED EARLIER HAS MOVED OUT OF THE 
AREA. 

SOME STREAMS AND CREEKS IN THE AREA MAY RUN HIGH THROUGH 
MIDNIGHT...HOWEVER THE FLOOD THREAT HAS ENDED.

LAT...LON 3710 9378 3691 9388 3693 9365 3702 9305
          3726 9310 3717 9363

$$

JLT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 7:06 PM CDT	Tornado Warning	SGF	Dallas	39 min
May 6, 7:09 PM CDT	Severe Thunderstorm Warning	SGF	Greene	51 min
May 6, 7:15 PM CDT	Tornado Warning	SGF	Laclede	60 min
May 6, 7:18 PM CDT	Flash Flood Warning	SGF	Camden, Dallas, Laclede, Maries, Phelps, Pulaski	6 hr
May 6, 7:36 PM CDT	Severe Thunderstorm Warning	SGF	Pulaski	39 min
May 6, 7:38 PM CDT	Severe Thunderstorm Warning	SGF	Webster	52 min
May 6, 7:43 PM CDT	Tornado Warning	SGF	Phelps, Pulaski	47 min
May 6, 7:51 PM CDT	Severe Thunderstorm Warning	SGF	Dent	54 min
May 6, 8:19 PM CDT	Flash Flood Warning	SGF	Dent	5 hr
May 6, 10:12 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	48 min

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; radar from the NEXRAD Level II archive.