Alert archive / Missouri / Flash Flood Watches in 2008

Flash Flood Watch 13, NWS St. Louis, MO

July 2, 20087 counties in Missouri

NWS St. Louis, MO issued this flash flood watch at Jul 2, 2008, 2:54 PM CDT for 7 counties in Missouri. It took effect at Jul 3, 2008, 12:00 AM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jul 2, 2008, 2:54 PM CDT (19:54 UTC)
In effect from
Jul 3, 2008, 12:00 AM CDT
Expired
Jul 3, 2008, 1:43 PM CDT
In force
14 hr
Issued by
NWS St. Louis, MO
Flood severity
None

Counties Crawford County, MO, Iron County, MO, Madison County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 110 km from the middle of the area, began a volume at 19:55 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 12:00Z, 7.9 hours before the alert went out and 289 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 12:00Z on 2008-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 737 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 12:00Z on 2008-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
737 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
1316 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WGUS63 KLSX 021954
FFALSX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE ST LOUIS MO
254 PM CDT WED JUL 2 2008

MOZ072>075-084-085-099-031100-
/O.NEW.KLSX.FF.A.0013.080703T1700Z-080704T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-
REYNOLDS-
INCLUDING THE CITY OF...FARMINGTON
254 PM CDT WED JUL 2 2008

...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF EAST CENTRAL MISSOURI AND 
  SOUTHEAST MISSOURI...INCLUDING THE FOLLOWING COUNTIES...IN 
  EAST CENTRAL MISSOURI...CRAWFORD AND WASHINGTON. IN SOUTHEAST 
  MISSOURI...IRON...MADISON...REYNOLDS...ST. FRANCOIS AND STE. 
  GENEVIEVE.

* FROM THURSDAY AFTERNOON THROUGH FRIDAY MORNING

* LOCALLY HEAVY RAINFALL FROM THUNDERSTORMS IS EXPECTED THURSDAY
  AFTERNOON THROUGH FRIDAY MORNING.

* EXCESSIVE RUNOFF FROM THE HEAVY RAINFALL MAY LEAD TO FLASH
  FLOODING OF LOW LYING AREAS NEAR STREAMS...CREEKS AND RIVERS.

A SLOW MOVING COLD FRONT WILL SETTLE ACROSS THE EASTERN OZARKS OF
MISSOURI BY THURSDAY AFTERNOON. THIS FRONT WILL ACT AS A FOCUS
FOR THUNDERSTORM DEVELOPMENT...SOME OF WHICH COULD PRODUCE HEAVY
RAINFALL AS ABUNDANT MOISTURE MOVES NORTH FROM THE GULF OF MEXICO.

MOST OF THE AREA SHOULD RECEIVE 1 TO 2 INCHES OF RAINFALL WITH
ISOLATED HEAVIER AMOUNTS...WHICH MAY CAUSE RISES ON SOME OF THE
SMALLER RIVERS AND STREAMS.

ANYONE PLANNING OUTDOOR ACTIVITIES SHOULD FREQUENTLY CHECK FOR
THE LATEST WEATHER FORECAST...PARTICULARLY IF YOU ARE PLANNING TO
CAMP OR BE NEAR AREA STREAMS AND RIVERS DURING THIS HOLIDAY WEEK.
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES. STAY INFORMED...AND BE READY FOR QUICK ACTION
IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED.

$$

CVKING
3 follow-up statements
000 
WGUS63 KLSX 030255
FFALSX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE ST LOUIS MO
955 PM CDT WED JUL 2 2008

ILZ058>060-064-065-069-070-074-079-097>102-MOZ034>036-041-042-
047>052-059>065-031000-
/O.NEW.KLSX.FF.A.0014.080703T0255Z-080703T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-
MARION IL-WASHINGTON IL-RANDOLPH IL-PIKE IL-CALHOUN IL-JERSEY IL-
MADISON IL-ST. CLAIR IL-MONROE IL-MONROE-RALLS-PIKE-BOONE-AUDRAIN-
MONITEAU-COLE-OSAGE-CALLAWAY-MONTGOMERY-LINCOLN-GASCONADE-WARREN-
ST. CHARLES-FRANKLIN-ST. LOUIS-ST. LOUIS CITY-JEFFERSON-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE...BOWLING GREEN...COLUMBIA...
MEXICO...JEFFERSON CITY...ST CHARLES...UNION...ST LOUIS
955 PM CDT WED JUL 2 2008

...FLASH FLOOD WATCH IN EFFECT UNTIL 5 AM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF ILLINOIS AND MISSOURI...
  INCLUDING THE FOLLOWING COUNTIES...IN ILLINOIS...BOND IL...
  CALHOUN IL...CLINTON IL...FAYETTE IL...GREENE IL...JERSEY IL...
  MACOUPIN IL...MADISON IL...MARION IL...MONROE IL...MONTGOMERY 
  IL...PIKE IL...RANDOLPH IL...ST. CLAIR IL AND WASHINGTON IL. 
  IN MISSOURI...AUDRAIN...BOONE...CALLAWAY...COLE...FRANKLIN...
  GASCONADE...JEFFERSON...LINCOLN...MONITEAU...MONROE...
  MONTGOMERY...OSAGE...PIKE...RALLS...ST. CHARLES...ST. LOUIS...
  ST. LOUIS CITY AND WARREN.

* UNTIL 5 AM CDT THURSDAY

* AN EAST TO WEST LINE OF THUNDERSTORMS FORMED THIS EVENING OVER
  NORTHERN MISSOURI. THIS LINE WILL SAG SOUTHEAST OVERNIGHT...
  ALLOWING THUNDERSTORMS WITH HEAVY RAIN TO SLOWLY MOVE ACROSS THE
  REGION. THE SLOW MOVEMENT OF THE STORMS...COMBINED WITH THE VERY
  MOIST AIR THAT WILL BE FUELING THEM...WILL CAUSE HEAVY RAIN.
  RAINFALLS IN EXCESS OF 2 INCHES CAN BE EXPECTED IN SOME AREAS.

* IF SEVERAL STORMS PASS OVER THE SAME AREA...FLASH FLOODING OF
  LOW LYING AREAS NEAR STREAMS...CREEKS...AND RIVERS WILL BECOME A
  VERY REAL POSSIBILITY.  

A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT
IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE
AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING.
CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN
FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION
IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED.

$$

MOZ072>075-084-085-099-031500-
/O.EXT.KLSX.FF.A.0013.080703T0500Z-080704T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-
REYNOLDS-
INCLUDING THE CITY OF...FARMINGTON
955 PM CDT WED JUL 2 2008

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH FRIDAY MORNING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF EAST CENTRAL MISSOURI AND SOUTHEAST MISSOURI...
  INCLUDING THE FOLLOWING COUNTIES...IN EAST CENTRAL MISSOURI...
  CRAWFORD AND WASHINGTON. IN SOUTHEAST MISSOURI...IRON...
  MADISON...REYNOLDS...ST. FRANCOIS AND STE. GENEVIEVE.

* THROUGH FRIDAY MORNING

* AN EAST-WEST LINE OF THUNDERSTORMS FORMED OVER NORTHERN MISSOURI
  THIS EVENING. THIS LINE WILL SAG SOUTH...AND WILL BRING A HEAVY
  RAIN THREAT TO THE AREA DURING THE PREDAWN HOURS...WHICH IS A
  BIT EARLIER THAN EXPECTED. THE RAIN MAY TAPER OFF ON THURSDAY
  MORNING... BUT AN ADDITIONAL ROUND OF HEAVY RAIN IS STILL
  EXPECTED THURSDAY AFTERNOON AND THURSDAY NIGHT. BY THE TIME THE
  HEAVY RAIN TAPERS OFF...RAINFALLS OF OVER 2 INCHES ARE POSSIBLE.

* EXCESSIVE RUNOFF FROM THE HEAVY RAINFALL MAY LEAD TO FLASH
  FLOODING OF LOW LYING AREAS NEAR STREAMS...CREEKS AND RIVERS.
 
ANYONE PLANNING OUTDOOR ACTIVITIES SHOULD FREQUENTLY CHECK FOR
THE LATEST WEATHER FORECAST...PARTICULARLY IF YOU ARE PLANNING TO
CAMP OR BE NEAR AREA STREAMS AND RIVERS DURING THIS HOLIDAY WEEK.
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES. STAY INFORMED...AND BE READY FOR QUICK ACTION
IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED.

$$

TRUETT
000 
WGUS63 KLSX 030936
FFALSX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE ST LOUIS MO
436 AM CDT THU JUL 3 2008

ILZ058>060-064-065-069-070-097>100-MOZ034>036-041-042-050>052-060-
061-063-064-031045-
/O.CAN.KLSX.FF.A.0014.000000T0000Z-080703T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-
MARION IL-PIKE IL-CALHOUN IL-JERSEY IL-MADISON IL-MONROE-RALLS-
PIKE-BOONE-AUDRAIN-CALLAWAY-MONTGOMERY-LINCOLN-WARREN-ST. CHARLES-
ST. LOUIS-ST. LOUIS CITY-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
EDWARDSVILLE...BOWLING GREEN...COLUMBIA...MEXICO...ST CHARLES...
ST LOUIS
436 AM CDT THU JUL 3 2008

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF ILLINOIS AND MISSOURI HAS
BEEN CANCELLED. MINOR FLOODING AND PONDING OF WATER WAS REPORTED
OVER SOME AREAS LAST NIGHT...BUT WITH ONLY A FEW SHOWERS AND
THUNDERSTORMS LEFT OVER THE AREA...THE POTENTIAL FOR MORE SERIOUS
FLOODING HAS MOVED SOUTH.

$$

ILZ074-079-101-102-MOZ047>049-059-062-065-032130-
/O.EXT.KLSX.FF.A.0014.000000T0000Z-080704T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON IL-RANDOLPH IL-ST. CLAIR IL-MONROE IL-MONITEAU-COLE-
OSAGE-GASCONADE-FRANKLIN-JEFFERSON-
INCLUDING THE CITIES OF...CHESTER...BELLEVILLE...JEFFERSON CITY...
UNION
436 AM CDT THU JUL 3 2008

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH FRIDAY MORNING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF ILLINOIS AND MISSOURI...INCLUDING THE FOLLOWING 
  COUNTIES...IN ILLINOIS...MONROE IL...RANDOLPH IL...ST. CLAIR 
  IL AND WASHINGTON IL. IN MISSOURI...COLE...FRANKLIN...
  GASCONADE...JEFFERSON...MONITEAU AND OSAGE.

* THROUGH FRIDAY MORNING

* THE HEAVY RAIN PRODUCING THUNDERSTORM THREAT IS EXPECTED TO
  EXIST A BIT FURTHER SOUTH THROUGH FRIDAY MORNING THAN WHERE IT
  DROPPED MUCH OF ITS RAINFALL ON WEDNESDAY NIGHT. A FLASH FLOOD
  WATCH HAS BEEN MAINTAINED FOR PARTS OF CENTRAL MISSOURI DUE TO
  HEAVY RAINFALL OF TWO TO THREE INCHES HAVING ALREADY BEEN
  RECEIVED AND THE THREAT FOR ADDITIONAL STORMS...MAINLY THIS
  MORNING. OTHER AREAS OF THE WATCH RECEIVED GENERALLY LESS THAN
  ONE INCH...BUT THEY WILL ALSO BE UNDER THE MORE PERSISTENT
  THUNDERSTORM THREAT THROUGH FRIDAY MORNING...ESPECIALLY FOR
  PARTS OF THE EASTERN OZARKS OF SOUTHEAST MISSOURI. TOTAL
  RAINFALL OF TWO TO THREE INCHES IS POSSIBLE IN THE WATCH AREA BY
  LATE FRIDAY MORNING. 

* EXCESSIVE RUNOFF FROM THE HEAVY RAINFALL MAY LEAD TO FLASH 
  FLOODING OF LOW LYING AREAS NEAR STREAMS...CREEKS AND RIVERS. 

A FLASH FLOOD WATCH MEANS THAT FLASH FLOODING IS POSSIBLE BUT NOT
IMMINENT IN THE WATCH AREA. PEOPLE IN THE WATCH AREA SHOULD BE
AWARE OF THE POSSIBILITY OF HEAVY RAINFALL AND FLASH FLOODING.
CHECK YOUR PREPAREDNESS REQUIREMENTS...ESPECIALLY IF YOU LIVE IN
FLOOD PRONE AREAS. STAY INFORMED...AND BE READY FOR QUICK ACTION
IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED.

$$

MOZ072>075-084-085-099-032130-
/O.CON.KLSX.FF.A.0013.000000T0000Z-080704T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-
REYNOLDS-
INCLUDING THE CITY OF...FARMINGTON
436 AM CDT THU JUL 3 2008

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF EAST CENTRAL MISSOURI AND SOUTHEAST MISSOURI...
  INCLUDING THE FOLLOWING COUNTIES...IN EAST CENTRAL MISSOURI...
  CRAWFORD AND WASHINGTON. IN SOUTHEAST MISSOURI...IRON...
  MADISON...REYNOLDS...ST. FRANCOIS AND STE. GENEVIEVE.

* THROUGH FRIDAY MORNING

* THE HEAVY RAIN PRODUCING THUNDERSTORM THREAT IS EXPECTED TO
  EXIST A BIT FURTHER SOUTH THROUGH FRIDAY MORNING THAN WHERE IT
  DROPPED MUCH OF ITS RAINFALL ON WEDNESDAY NIGHT. A FLASH FLOOD
  WATCH HAS BEEN MAINTAINED FOR PARTS OF CENTRAL MISSOURI DUE TO
  HEAVY RAINFALL OF TWO TO THREE INCHES HAVING ALREADY BEEN
  RECEIVED AND THE THREAT FOR ADDITIONAL STORMS...MAINLY THIS
  MORNING. OTHER AREAS OF THE WATCH RECEIVED GENERALLY LESS THAN
  ONE INCH...BUT THEY WILL ALSO BE UNDER THE MORE PERSISTENT
  THUNDERSTORM THREAT THROUGH FRIDAY MORNING...ESPECIALLY FOR
  PARTS OF THE EASTERN OZARKS OF SOUTHEAST MISSOURI. TOTAL
  RAINFALL OF TWO TO THREE INCHES IS POSSIBLE IN THE WATCH AREA BY
  LATE FRIDAY MORNING. 

* EXCESSIVE RUNOFF FROM THE HEAVY RAINFALL MAY LEAD TO FLASH 
  FLOODING OF LOW LYING AREAS NEAR STREAMS...CREEKS AND RIVERS. 

ANYONE PLANNING OUTDOOR ACTIVITIES SHOULD FREQUENTLY CHECK FOR
THE LATEST WEATHER FORECAST...PARTICULARLY IF YOU ARE PLANNING TO
CAMP OR BE NEAR AREA STREAMS AND RIVERS DURING THIS HOLIDAY WEEK.
STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES. STAY INFORMED...AND BE READY FOR QUICK ACTION
IF FLOODING IS OBSERVED OR IF A FLASH FLOOD WARNING IS ISSUED.

$$

TES
000 
WGUS63 KLSX 031843
FFALSX

FLOOD WATCH
NATIONAL WEATHER SERVICE ST LOUIS MO
143 PM CDT THU JUL 3 2008

ILZ074-079-101-102-MOZ047>049-059-062-065-031945-
/O.CAN.KLSX.FF.A.0014.000000T0000Z-080704T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON IL-RANDOLPH IL-ST. CLAIR IL-MONROE IL-MONITEAU-COLE-
OSAGE-GASCONADE-FRANKLIN-JEFFERSON-
INCLUDING THE CITIES OF...CHESTER...BELLEVILLE...JEFFERSON CITY...
UNION
143 PM CDT THU JUL 3 2008

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF ILLINOIS AND MISSOURI HAS
BEEN CANCELLED. SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE
THIS AFTERNOON AND EVENING...BUT WIDESPREAD HEAVY RAINFALL AND
FLASH FLOODING IS NOT EXPECTED.


$$

MOZ072>075-084-085-099-031945-
/O.CAN.KLSX.FF.A.0013.000000T0000Z-080704T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-MADISON-
REYNOLDS-
INCLUDING THE CITY OF...FARMINGTON
142 PM CDT THU JUL 3 2008

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF EAST CENTRAL MISSOURI AND
SOUTHEAST MISSOURI HAS BEEN CANCELLED. SCATTERED SHOWERS AND
THUNDERSTORMS WILL CONTINUE THIS AFTERNOON AND EVENING...BUT
WIDESPREAD HEAVY RAINFALL AND FLASH FLOODING IS NOT EXPECTED. 
$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 11:04 AM CDTRiver Flood WarningLSXMarion23 hr

Nearby

Flash Flood Watches in Missouri, 2008Every flash flood watch in 2008

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.