Alert archive / Missouri / Flash Flood Warnings in 2011
Flash Flood Warning 6, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Jun 9, 2011, 6:45 PM CDT for Daviess County, Grundy County, Missouri. It was in force for 6 hr. 7 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
- Jun 9, 2011, 6:45 PM CDT (23:45 UTC)
- Expired
- Jun 10, 2011, 12:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Daviess County, MO, Grundy County, MO
The radar
The Pleasant Hill radar (KEAX), 147 km from the middle of the area, began a volume at 23:47 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 |
|---|---|---|---|
| Jun 9, 6:45 PM CDT | HEAVY RAIN 2.4 | 7 Sw Trenton, MO | |
| Jun 9, 8:18 PM CDT | HEAVY RAIN 2.4 | 7 Sw Trenton, MO | |
| Jun 9, 8:36 PM CDT | HEAVY RAIN 2.05 | Trenton, MO | 1-3 INCHES OF WATER FLOWING OVER THE ROADWAYS |
| Jun 9, 8:54 PM CDT | FLASH FLOOD | 7 Sw Trenton, MO | 1 FOOT OF WATER FLOWING ACROSS ROUTE W. ADDITIONALLY...WASTEWATER TREATEMENT FACILITY IN TRENTON FLOODED. |
| Jun 9, 8:58 PM CDT | FLASH FLOOD | 2 S Trenton, MO | WATER OF UNKNOWN DEPTH FLOWING ACROSS HIGHWAY 65 |
| Jun 9, 9:41 PM CDT | HEAVY RAIN 3.45 | Trenton, MO | |
| Jun 9, 9:56 PM CDT | FLASH FLOOD | 3 Sw Trenton, MO | 1-2 FEET OF WATER OVER THE ROAD ON ROUTE W SOUTHWEST OF TRENTON AT THE WOLF CREEK |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 11.8 hours before the alert went out and 205 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
- 2086 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1051 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
667
WGUS53 KEAX 092345
FFWEAX
MOC061-079-100530-
/O.NEW.KEAX.FF.W.0006.110609T2345Z-110610T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
645 PM CDT THU JUN 9 2011
THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A
* FLASH FLOOD WARNING FOR...
GRUNDY COUNTY IN NORTH CENTRAL MISSOURI...
NORTHEASTERN DAVIESS COUNTY IN NORTH CENTRAL MISSOURI...
* UNTIL 1230 AM CDT
* AT 644 PM CDT...TRAINED WEATHER SPOTTERS REPORTED THUNDERSTORMS
WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. BETWEEN ONE AND
TWO INCHES OF RAIN HAD FALLEN IN THE PAST HOUR...WITH AN
ADDITIONAL INCH OR MORE OF RAINFALL EXPECTED THROUGH 8 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
TRENTON AND JAMESPORT.
WEATHER SPOTTERS REPORTED WATER COVERING MANY ROADWAYS IN THE CITY
OF TRENTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
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.
&&
LAT...LON 4001 9336 3996 9361 3996 9376 3993 9376
3991 9389 4010 9393 4014 9379 4013 9377
4014 9376 4022 9342
$$
212 follow-up statements
773
WGUS73 KEAX 100202
FFSEAX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
902 PM CDT THU JUN 9 2011
MOC061-079-100530-
/O.CON.KEAX.FF.W.0006.000000T0000Z-110610T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAVIESS MO-GRUNDY MO-
902 PM CDT THU JUN 9 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR GRUNDY AND NORTHEASTERN
DAVIESS COUNTIES UNTIL 1230 AM CDT...
AT 900 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
DOPPLER WEATHER RADAR INDICATES THREE TO FOUR INCHES OF RAIN ACROSS
THE WARNED AREA SINCE THIS AFTERNOON. AN ADDITIONAL INCH OR MORE OF
RAIN CAN BE EXPECTED THROUGH 11 PM.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...TRENTON
AND JAMESPORT.
SEVERAL ROADS SOUTH OF TRENTON HAVE BEEN REPORTED AS
FLOODED...INCLUDING PARTS OF ROUTE W...AND HIGHWAY 65.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE ALSO SUBJECT TO FLOODING.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 4001 9336 3996 9361 3996 9376 3993 9376
3991 9389 4010 9393 4014 9379 4013 9377
4014 9376 4022 9342
$$
21256
WGUS73 KEAX 100536
FFSEAX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1236 AM CDT FRI JUN 10 2011
MOC061-079-100549-
/O.EXP.KEAX.FF.W.0006.000000T0000Z-110610T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAVIESS MO-GRUNDY MO-
1236 AM CDT FRI JUN 10 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR GRUNDY AND
NORTHEASTERN DAVIESS COUNTIES HAS BEEN ALLOWED TO EXPIRE...
THE FLASH FLOOD WARNING HAS BEEN REPLACED WITH A FLOOD WARNING
THAT IS IN EFFECT UNTIL 1030 AM CDT FRIDAY.
LAT...LON 4001 9336 3996 9361 3996 9376 3993 9376
3991 9389 4010 9393 4014 9379 4013 9377
4014 9376 4022 9342
$$
CDBThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 10:00 AM CDT | Special Weather Statement | EAX | Putnam | 60 min |
| Jun 9, 2:28 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Linn, Macon, Sullivan | 32 min |
| Jun 9, 2:59 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Macon | 46 min |
| Jun 9, 3:45 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Macon | 15 min |
| Jun 9, 4:03 PM CDT | Severe Thunderstorm Warning | EAX | Macon | 18 min |
| Jun 9, 5:41 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Livingston | 49 min |
| Jun 9, 6:00 PM CDT | Severe Thunderstorm Warning | EAX | Chariton, Macon, Randolph | 45 min |
| Jun 9, 6:15 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, DeKalb, Gentry, Harrison | 30 min |
| Jun 9, 6:17 PM CDT | Tornado Warning | EAX | Grundy, Livingston | 28 min |
| Jun 9, 6:28 PM CDT | Severe Thunderstorm Warning | EAX | Grundy | 47 min |
| Jun 9, 6:34 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Gentry, Holt, Nodaway | 26 min |
| Jun 9, 6:37 PM CDT | Severe Thunderstorm Warning | EAX | Daviess | 23 min |
| Jun 9, 6:38 PM CDT | Areal Flood Advisory | EAX | Daviess, Grundy | 6 hr |
| Jun 9, 6:51 PM CDT | Special Weather Statement | EAX | Daviess | 24 min |
| Jun 9, 6:56 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Gentry, Nodaway | 34 min |
| Jun 9, 6:59 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Harrison | 31 min |
Nearby
Flash Flood Warnings in Missouri, 2011Every flash flood warning in 2011
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.