Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 63, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 19, 2015, 8:25 AM CDT for Knox County, Missouri. It was in force for 6 hr. 1 report 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
- Jul 19, 2015, 8:25 AM CDT (13:25 UTC)
- Expired
- Jul 19, 2015, 2:15 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Knox County, MO
The radar
The St Louis radar (KLSX), 204 km from the middle of the area, began a volume at 13:24 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 |
|---|---|---|---|
| Jul 19, 10:25 AM CDT | HEAVY RAIN 1.75 | Edina, MO | RAINFALL SINCE 7AM. TOTAL RAINFALL SINCE RAIN BEGAN LATE LAST NIGHT 3.29 INCHES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 1.4 hours before the alert went out and 211 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
- 431 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1078 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
559
WGUS53 KLSX 191325
FFWLSX
MOC103-191915-
/O.NEW.KLSX.FF.W.0063.150719T1325Z-150719T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
825 AM CDT SUN JUL 19 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
KNOX COUNTY IN NORTHEASTERN MISSOURI...
* UNTIL 215 PM CDT
* AT 822 AM CDT...DOPPLER RADAR INDICATED THAT 4 TO 5 INCHES OF RAIN
WITH LOCALLY HIGHER AMOUNTS HAS FALLEN OVER PARTS OF SOUTHERN KNOX
COUNTY. MORE THUNDERSTORMS ARE DEVELOPING IN THE AREA AND
ADDITIONAL HEAVY RAINFALL IS LIKELY
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EDINA...KNOX CITY...COLONY...PLEVNA...GREENSBURG...HURDLAND...
NOVELTY...BARING AND NEWARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4030 9195 3995 9195 3996 9234 4030 9235
$$
CARNEY2 follow-up statements
856 WGUS73 KLSX 191608 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1108 AM CDT SUN JUL 19 2015 MOC103-191915- /O.CON.KLSX.FF.W.0063.000000T0000Z-150719T1915Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KNOX MO- 1108 AM CDT SUN JUL 19 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR KNOX COUNTY... AT 1103 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS ARE CONTNIUING TO PRODUCE MODERATE TO OCCASIONALLY HEAVY RAIN ACROSS THE COUNTY. RAINFALL ESTIMATES FROM RADAR AS WELL AS RAINFALL DATA FROM NATIONAL WEATHER SERVICE COOPERATIVE OBSERVERS INDICATE THAT RAINFALLS IN EXCESS OF 3 INCHES ARE COMMON OVER SOUTHERN AND WEST CENTRAL SECTIONS OF KNOX COUNTY...WITH RAINFALLS OF 4 TO 6 INCHES AROUND THE NOVELTY AREA. UP TO AN INCH OF ADDITIONAL RAIN IS POSSIBLE THROUGH MIDDAY. HOWEVER...RADAR AND THE LATEST REGIONAL WEATHER DATA INDICATES THAT RAINFALL SHOULD BE TAPERING OFF DRAMATICALLY BETWEEN NOON AND 1 PM. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... EDINA...KNOX CITY...COLONY...PLEVNA...GREENSBURG...HURDLAND... NOVELTY...BARING AND NEWARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH. TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 4030 9195 3995 9195 3996 9234 4030 9235 $$ TRUETT
834 WGUS73 KLSX 191906 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 206 PM CDT SUN JUL 19 2015 MOC103-191915- /O.EXP.KLSX.FF.W.0063.000000T0000Z-150719T1915Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KNOX MO- 206 PM CDT SUN JUL 19 2015 ...THE FLASH FLOOD WARNING FOR KNOX COUNTY WILL EXPIRE AT 215 PM CDT... FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 4030 9195 3995 9195 3996 9234 4030 9235 $$ BYRD
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 2:33 AM CDT | Flash Flood Warning | LSX | Knox | 6 hr |
| Jul 19, 3:12 AM CDT | Severe Thunderstorm Warning | LSX | Lewis, Marion | 48 min |
| Jul 19, 3:36 AM CDT | Flash Flood Warning | LSX | Lewis, Marion, Shelby | 6 hr |
| Jul 19, 3:52 AM CDT | Severe Thunderstorm Warning | LSX | Marion, Monroe, Shelby | 38 min |
| Jul 19, 4:35 AM CDT | Flash Flood Watch | LSX | Audrain, Boone, Callaway, Knox, Lewis, Lincoln and 7 more | 11 hr |
| Jul 19, 5:05 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Lincoln, Montgomery, Pike, Warren | 40 min |
| Jul 19, 9:13 AM CDT | Areal Flood Advisory | LSX | Boone | 6 hr |
| Jul 19, 9:34 AM CDT | Areal Flood Advisory | LSX | Lewis, Marion, Shelby | 6 hr |
| Jul 19, 12:03 PM CDT | River Flood Warning | LSX | Pike | 25 hr |
| Jul 19, 4:03 PM CDT | Flash Flood Watch | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 22 more | 20 hr |
| Jul 19, 4:22 PM CDT | River Flood Warning | LSX | Marion | 3 days |
| Jul 19, 4:40 PM CDT | River Flood Warning | LSX | Boone, Callaway, Cole, Moniteau | 6 days |
| Jul 19, 4:40 PM CDT | River Flood Warning | LSX | Franklin, Warren | 8 days |
Nearby
Flash Flood Warnings in Missouri, 2015Every flash flood warning in 2015
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.