Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 31, NWS Springfield, MO

July 11, 2003Dent County, Missouri

NWS Springfield, MO issued this flash flood warning at Jul 11, 2003, 11:14 PM CDT for Dent 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 as issued.

The facts

Issued
Jul 11, 2003, 11:14 PM CDT (04:14 UTC)
Expired
Jul 12, 2003, 3:00 AM CDT
In force
4 hr
Issued by
NWS Springfield, MO
Area
Counties, with a storm outline in the text

County Dent County, MO

The radar

The St Louis radar (KLSX), 138 km from the middle of the area, began a volume at 04:14 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, 4.2 hours before the alert went out and 219 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 2003-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1159 joules per kilogram.LCLEL10008507005003002001001 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 2003-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
1159 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1763 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
309 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KSGF 120417
FFWSGF
MOC065-120800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1114 PM CDT FRI JUL 11 2003

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DENT COUNTY IN MISSOURI

* UNTIL 300 AM CDT.

* AT 1112 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  DOPPLER RADAR ESTIMATED RAINFALL AMOUNTS OF OVER 4 INCHES OVER NORTHERN
  AND CENTRAL DENT COUNTY.

* 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 FLOODING    
  INCLUDE...SALEM...HOWES...AND TURTLE.

ADDITIONAL RAINFALL AMOUNTS OF ANOTHER 2 INCHES ARE POSSIBLE IN THE WARNED 
AREA.

THIS IS A POTENTIALLY DANGEROUS SITUATION...DO NOT CROSS ROADS OR 
LOW WATER CROSSINGS THAT ARE FLOODED OVER.    

LAT...LON 3777 9135 3743 9133 3747 9172 3776 9177

$$

CRAMER
2 follow-up statements
000 
WGUS73 KSGF 120646
FFSSGF
MOC065-161-120930-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
146 AM CDT SAT JUL 12 2003

...FLASH FLOOD WARNING CONTINUES UNTIL 300 AM CDT FOR DENT COUNTY 
AND UNTIL 330 AM FOR PHELPS COUNTY...

AT 145 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS CENTRAL DENT COUNTY. 
DOPPLER RADAR ESTIMATED THESE STORMS WERE PRODUCING RAINFALL OF UP 
TO ONE INCH IN 30 MINUTES AS THE MOVE FROM NORTH TO SOUTH ACROSS THE 
COUNTY. ADDITIONAL THUNDERSTORMS WITH HEAVY RAIN ARE POSSIBLE OVER 
THE NEXT HOUR OR TWO IN BOTH PHELPS AND DENT COUNTIES. DOPPLER RADAR 
ESTIMATED THAT 4 TO 6 INCHES OF RAIN HAD FALLEN IN A NARROW SWATH 
FROM NEAR DOOLITTLE TO HOWES. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO 
OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. 
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...DOOLITTLE... 
TURTLE...LECOMA...HOWES...SALEM...AND BANGERT

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO 
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3813 9155 3782 9153 3766 9117 3745 9128
          3743 9175 3760 9176 3763 9202 3802 9204

$$

BROWNING
000 
WGUS73 KSGF 120753
FFSSGF
MOC065-121100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
252 AM CDT SAT JUL 12 2003

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR DENT COUNTY WILL 
BE ALLOWED TO EXPIRE AT 300 AM...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3779 9131 3770 9118 3743 9123 3743 9161
          3743 9175 3778 9179

$$

BROWNING

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 7:41 PM CDTSevere Thunderstorm WarningSGFPulaski64 min
Jul 11, 7:56 PM CDTSevere Thunderstorm WarningSGFDouglas49 min
Jul 11, 8:07 PM CDTSevere Thunderstorm WarningSGFPhelps53 min
Jul 11, 8:39 PM CDTSevere Thunderstorm WarningSGFTexas66 min
Jul 11, 9:00 PM CDTSevere Thunderstorm WarningSGFVernon60 min
Jul 11, 9:06 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps54 min
Jul 11, 9:08 PM CDTSevere Thunderstorm WarningSGFSt. Clair52 min
Jul 11, 9:12 PM CDTSevere Thunderstorm WarningSGFBarton63 min
Jul 11, 9:19 PM CDTSevere Thunderstorm WarningSGFShannon56 min
Jul 11, 9:33 PM CDTSevere Thunderstorm WarningSGFHickory57 min
Jul 11, 9:55 PM CDTSevere Thunderstorm WarningSGFOregon65 min
Jul 11, 10:16 PM CDTSevere Thunderstorm WarningSGFCamden, Miller, Morgan59 min
Jul 11, 10:25 PM CDTSevere Thunderstorm WarningSGFBarry, Christian, Stone80 min
Jul 11, 10:43 PM CDTSevere Thunderstorm WarningSGFTaney77 min
Jul 11, 10:44 PM CDTSevere Thunderstorm WarningSGFDent61 min
Jul 11, 11:00 PM CDTSevere Thunderstorm WarningSGFVernon60 min
Jul 11, 11:12 PM CDTSevere Thunderstorm WarningSGFMcDonald63 min
Jul 11, 11:27 PM CDTFlash Flood WarningSGFPhelps4 hr
Jul 11, 11:38 PM CDTSevere Thunderstorm WarningSGFShannon52 min
Jul 12, 12:02 AM CDTSevere Thunderstorm WarningSGFVernon73 min
Jul 12, 12:40 AM CDTSevere Thunderstorm WarningSGFGreene65 min
Jul 12, 12:52 AM CDTSevere Thunderstorm WarningSGFBarton, Dade53 min
Jul 12, 1:14 AM CDTSevere Thunderstorm WarningSGFVernon46 min
Jul 12, 1:23 AM CDTFlash Flood WarningSGFVernon3 hr
Jul 12, 1:40 AM CDTSevere Thunderstorm WarningSGFLawrence80 min
Jul 12, 1:44 AM CDTSevere Thunderstorm WarningSGFBarton, Dade76 min
Jul 12, 1:58 AM CDTSevere Thunderstorm WarningSGFStone47 min
Jul 12, 1:59 AM CDTSevere Thunderstorm WarningSGFCedar61 min
Jul 12, 2:17 AM CDTSevere Thunderstorm WarningSGFVernon58 min
Jul 12, 2:20 AM CDTFlash Flood WarningSGFBarton, Dade3 hr
Jul 12, 2:36 AM CDTSevere Thunderstorm WarningSGFChristian, Greene69 min
Jul 12, 2:38 AM CDTSevere Thunderstorm WarningSGFStone67 min
Jul 12, 2:54 AM CDTSevere Thunderstorm WarningSGFCedar, Dade, Lawrence81 min
Jul 12, 3:06 AM CDTFlash Flood WarningSGFChristian, Greene, Lawrence, Stone, Taney3 hr
Jul 12, 3:11 AM CDTSevere Thunderstorm WarningSGFPolk79 min
Jul 12, 3:44 AM CDTSevere Thunderstorm WarningSGFGreene61 min
Jul 12, 3:50 AM CDTSevere Thunderstorm WarningSGFNewton55 min
Jul 12, 3:56 AM CDTSevere Thunderstorm WarningSGFJasper64 min
Jul 12, 4:08 AM CDTSevere Thunderstorm WarningSGFBarry52 min
Jul 12, 4:30 AM CDTSevere Thunderstorm WarningSGFDallas, Polk45 min
Jul 12, 5:28 AM CDTSevere Thunderstorm WarningSGFBarry47 min
Jul 12, 5:41 AM CDTTornado WarningSGFBarry34 min
Jul 12, 6:09 AM CDTFlash Flood WarningSGFDallas, Greene, Polk, Webster4 hr

Nearby

Flash Flood Warnings in Missouri, 2003Every 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.