Alert archive / Missouri / Flash Flood Warnings in 2013
Flash Flood Warning 45, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 7, 2013, 1:58 AM CDT for Crawford County, Gasconade County, Missouri. It was in force for 8 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 7, 2013, 1:58 AM CDT (06:58 UTC)
- Expired
- Aug 7, 2013, 10:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crawford County, MO, Gasconade County, MO
The radar
The St Louis radar (KLSX), 101 km from the middle of the area, began a volume at 06:59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 7, 2:15 AM CDT | HEAVY RAIN 2.69 | Cook Station, MO | SINCE MIDNIGHT. UNIVERSITY OF MISSOURI AG WEATHER STATION. |
| Aug 7, 3:45 AM CDT | HEAVY RAIN 3.88 | Cook Station, MO | SINCE MIDNIGHT. UNIVERSITY OF MISSOURI AG WEATHER STATION. |
| Aug 7, 4:51 AM CDT | HEAVY RAIN 4.43 | 7 S Steelville, MO | SINCE MIDNIGHT. LOCATION IS NEAR THE END POINT OF ROUTE AA. |
| Aug 7, 5:35 AM CDT | HEAVY RAIN 4.16 | Cook Station, MO | SINCE MIDNIGHT. FROM THE UNIVERSITY OF MISSOURI AG WEATHER STATION. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 7.0 hours before the alert went out and 246 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.
- Mixed-layer CAPE
- 860 J/kg
- Mixed-layer CIN
- -203 J/kg
- Mixed-layer LCL
- 1527 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
728
WGUS53 KLSX 070658
FFWLSX
MOC055-073-071500-
/O.NEW.KLSX.FF.W.0045.130807T0658Z-130807T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
158 AM CDT WED AUG 7 2013
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CRAWFORD COUNTY IN EAST CENTRAL MISSOURI...
SOUTHERN GASCONADE COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 1000 AM CDT
* AT 154 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES THAT 2 TO 3 INCHES OF RAIN HAS FALLEN
SINCE MIDNIGHT ACROSS SOUTHWEST CRAWFORD COUNTY. NUMEROUS
THUNDERSTORMS WERE LINED UP WELL TO THE WEST NORTHWEST AND THESE
WILL TRACK ACROSS THE WARNED AREA OVER THE NEXT 2 TO 4 HOURS.
ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BOURBON...CUBA...STEELVILLE...BLAND...CHERRYVILLE AND LEASBURG.
THIS WARNING ALSO INCLUDES...
INTERSTATE 44 FROM EXIT 203 TO EXIT 218.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
&&
LAT...LON 3770 9131 3778 9131 3779 9154 3815 9153
3815 9164 3830 9165 3830 9137 3820 9136
3820 9110 3775 9110 3774 9115 3770 9115
$$
GLASS2 follow-up statements
809
WGUS73 KLSX 070905
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
405 AM CDT WED AUG 7 2013
MOC055-073-071500-
/O.CON.KLSX.FF.W.0045.000000T0000Z-130807T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD MO-GASCONADE MO-
405 AM CDT WED AUG 7 2013
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN GASCONADE AND
CRAWFORD COUNTIES UNTIL 1000 AM CDT...
AT 400 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
DOPPLER RADAR ESTIMATES THAT 4 TO 6 INCHES OF RAIN HAS FALLEN ACROSS
SOUTHWEST CRAWFORD COUNTY. A UNIVERSITY OF MISSOURI WEATHER STATION
AT COOK STATION MEASURE 3.93 INCHES OF RAIN SINCE MIDNIGHT. ROUTES
YY...VV...U...AND M ARE WITHIN THE HEART OF THIS HEAVY RAINFALL AND
MOST LIKELY ARE FLOODED AND IMPASSABLE IN LOCATIONS.
SHOWERS AND THUNDERSTORMS WILL CONTINUE TO IMPACT THE AREA THROUGH
THE MORNING HOURS AND ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES
ARE QUITE POSSIBLE.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BOURBON...CUBA...STEELVILLE...CHERRYVILLE AND LEASBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH
ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL
ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW
INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
&&
LAT...LON 3770 9131 3778 9131 3779 9154 3815 9153
3815 9164 3830 9165 3830 9137 3820 9136
3820 9110 3775 9110 3774 9115 3770 9115
$$
GLASS234
WGUS73 KLSX 071448
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
948 AM CDT WED AUG 7 2013
MOC055-073-071502-
/O.CAN.KLSX.FF.W.0045.000000T0000Z-130807T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD MO-GASCONADE MO-
948 AM CDT WED AUG 7 2013
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN GASCONADE
AND CRAWFORD COUNTIES IS CANCELLED...
THE HEAVY RAIN AND THREAT OF FLASH FLOODING HAS ENDED.
LAT...LON 3770 9131 3778 9131 3779 9154 3815 9153
3815 9164 3830 9165 3830 9137 3820 9136
3820 9110 3775 9110 3774 9115 3770 9115
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 2:50 AM CDT | River Flood Warning | LSX | Osage | 47 hr |
| Aug 7, 3:26 AM CDT | Flash Flood Warning | LSX | Madison | 8 hr |
| Aug 7, 3:42 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Reynolds, Saint Francois | 63 min |
| Aug 7, 3:54 AM CDT | Flash Flood Warning | LSX | Iron, Reynolds, Saint Francois, Washington | 8 hr |
| Aug 7, 11:50 AM CDT | River Flood Warning | LSX | Cole | 31 hr |
| Aug 7, 4:33 PM CDT | River Flood Warning | LSX | Crawford | 62 hr |
| Aug 7, 4:33 PM CDT | River Flood Warning | LSX | Crawford, Washington | 3 days |
Nearby
Flash Flood Warnings in Missouri, 2013Every flash flood warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.