Alert archive / Missouri / Flash Flood Warnings in 1994

Flash Flood Warning 38, NWS Springfield, MO

May 7, 1994Wright County, Missouri

NWS Springfield, MO issued this flash flood warning at May 7, 1994, 1:48 AM CDT for Wright County, Missouri. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 7, 1994, 1:48 AM CDT (06:48 UTC)
Expired
May 7, 1994, 6:45 AM CDT
In force
5 hr
Issued by
NWS Springfield, MO
Area
Whole counties

County Wright County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 6.8 hours before the alert went out and 125 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 1994-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 926 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1994-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 312 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
926 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
312 m²/s²
0-3 km storm-relative helicity
497 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 070652
FFWSGF
MOC011-039-057-059-077-167-225-229-217-071145-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
148 AM CDT SAT MAY 7 1994
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 700 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MISSOURI
 
   ...BARTON COUNTY...CEDAR COUNTY...DADE COUNTY...DALLAS COUNTY
   ...GREENE COUNTY...POLK COUNTY...WEBSTER COUNTY...WRIGHT COUNTY
 
IN WEST CENTRAL MISSOURI
 
   ...VERNON COUNTY
 
AT 150 AM CDT...RADAR CONTINUED TO SHOW STRONG THUNDERSTORMS PRODUCING
HEAVY RAIN MOVING ACROSS AREAS WHERE HEAVY RAIN HAS BEEN RECEIVED...AND
FLOODING REPORTED.
 
THIS EXTENDS THE WARNING PREVIOUSLY IN EFFECT FOR THE WARNED AREA.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
LEE

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 6, 10:48 PM CDT, 3 hours before
MOZ066-077>082-088>098-101>108-070450-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1047 PM CDT FRI MAY 6 1994

AT 1035 PM THUNDERSTORMS PRODUCING HEAVY RAIN WERE OVER POLK...GREEN
...DALLAS...WEBSTER AND WRIGHT COUNTIES.  THESE STORMS WILL CONTINUE TO
PRODUCE HEAVY RAIN OVER THOSE COUNTIES THROUGH MIDNIGHT.

ANOTHER STRONG THUNDERSTORM WAS OVER SOUTHWEST VERNON COUNTY ABOUT 10
MILES SOUTHWEST OF NEVADA.  THIS STORM MAY PRODUCE HEAVY RAIN AND SMALL
HAIL.

...A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 1 AM CDT FOR
MOST OF SOUTHWEST AND SOUTH CENTRAL MISSOURI...

...FLASH FLOOD WARNINGS CONTINUE UNTIL 145 AM CDT FOR THE FOLLOWING
COUNTIES...BARTON...CEDAR...VDADE...VERNON...GREENE...WEBSTER...WRIGHT...
CHRISTIAN AND DOUGLAS...

...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTH HALF OF MISSOURI FOR THE
REST OF TONIGHT....

NINE
Special weather statement, May 7, 12:45 AM CDT, 1 hour 3 minutes before
MOZ066-077>082-088>098-101>108-070650-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1245 AM CDT SAT MAY 7 1994

...STRONG THUNDERSTORMS ARE MOVING INTO EXTREME SOUTHWEST MISSOURI...

AT 1240 AM...RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS FROM 30
MILES SOUTH OF JOPLIN NEAR TIFF CITY MISSOURI TO NEAR JOPLIN.  THE
STORMS ARE MOVING SOUTEAST 30 MPH.  THESE STORMS WILL MOVE ACROSS THE
CITY OF JOPLIN...NEOSHO...AND PINEVILLE BY 115 AM.

PEOPLE SHOULD EXPECT HEAVY RAIN...SMALL HAIL...AND STRONG GUSTY WIND AS
THESE STORMS MOVE ACROSS THE AREA.

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DOUGLAS COUNTY
UNTIL 130 AM.

A FLASH FLOOD WARNING REMAINS IN EFFECT FOR A LARGE PORTION OF
SOUTHWEST MISSOURI UNTIL 145 AM.

LEE

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 7:03 PM CDTSevere Thunderstorm WarningSGFChristian, Stone57 min
May 6, 7:50 PM CDTFlash Flood WarningSGFBarton, Cedar, Vernon6 hr
May 6, 7:50 PM CDTFlash Flood WarningSGFDouglas, Webster, Wright6 hr
May 6, 7:50 PM CDTFlash Flood WarningSGFChristian, Dade, Greene6 hr
May 6, 11:51 PM CDTSevere Thunderstorm WarningSGFWebster30 min
May 7, 12:33 AM CDTSevere Thunderstorm WarningSGFDouglas57 min
May 7, 1:25 AM CDTSevere Thunderstorm WarningSGFJasper, McDonald, Newton50 min
May 7, 1:48 AM CDTFlash Flood WarningSGFBarton, Cedar, Dade, Polk, Vernon5 hr
May 7, 1:48 AM CDTFlash Flood WarningSGFDallas, Greene, Webster5 hr
May 7, 3:13 AM CDTSevere Thunderstorm WarningSGFBarry, Stone47 min

Nearby

Flash Flood Warnings in Missouri, 1994Every flash flood warning in 1994

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.