Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 85, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 22, 2015, 6:47 AM CDT for Boone County, Callaway County, Missouri. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 22, 2015, 6:47 AM CDT (11:47 UTC)
- Expired
- Aug 22, 2015, 10:45 AM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Boone County, MO, Callaway County, MO
The radar
The St Louis radar (KLSX), 124 km from the middle of the area, began a volume at 11:47 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 11.8 hours before the alert went out and 261 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
- 289 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 830 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
973
WGUS53 KLSX 221147
FFWLSX
MOC019-027-221545-
/O.NEW.KLSX.FF.W.0085.150822T1147Z-150822T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
647 AM CDT SAT AUG 22 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN BOONE COUNTY IN CENTRAL MISSOURI...
WESTERN CALLAWAY COUNTY IN CENTRAL MISSOURI...
* UNTIL 1045 AM CDT
* AT 646 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. TWO TO THREE INCHES OF RAIN
HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COLUMBIA...FULTON...ASHLAND...HOLTS SUMMIT...NEW BLOOMFIELD...LAKE
MYKEE TOWN...LAKE MYKEE...CARRINGTON AND GUTHRIE.
THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 126 AND 137.
THIS WARNING ALSO INCLUDES ROCK BRIDGE STATE PARK AND JEWELL CEMETERY
HISTORIC SITE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3891 9190 3857 9203 3875 9236 3902 9235
$$
TILLY2 follow-up statements
779 WGUS73 KLSX 221448 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 948 AM CDT SAT AUG 22 2015 MOC019-027-221545- /O.CON.KLSX.FF.W.0085.000000T0000Z-150822T1545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOONE MO-CALLAWAY MO- 948 AM CDT SAT AUG 22 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT FOR SOUTHEASTERN BOONE AND WESTERN CALLAWAY COUNTIES... AT 946 AM CDT...DOPPLER RADAR INDICATED THE THUNDERSTORMS WHICH PRODUCED THE HEAVY RAIN HAD MOSTLY ENDED...BUT THAT 3 TO 4 INCHES OF RAIN HAD FALLEN ACROSS THE WARNED AREA. WATER ON ROADS WAS REPORTED BY THE CALLAWAY COUNTY SHERIFF DEPARTMENT. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... COLUMBIA...FULTON...ASHLAND...HOLTS SUMMIT...NEW BLOOMFIELD...LAKE MYKEE TOWN...LAKE MYKEE...CARRINGTON AND GUTHRIE. THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 126 AND 137. THIS WARNING ALSO INCLUDES ROCK BRIDGE STATE PARK AND JEWELL CEMETERY HISTORIC SITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 3891 9190 3857 9203 3875 9236 3902 9235 $$ CARNEY
902 WGUS73 KLSX 221545 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1045 AM CDT SAT AUG 22 2015 MOC019-027-221555- /O.EXP.KLSX.FF.W.0085.000000T0000Z-150822T1545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BOONE MO-CALLAWAY MO- 1045 AM CDT SAT AUG 22 2015 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN BOONE AND WESTERN CALLAWAY COUNTIES HAS EXPIRED... 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 3891 9190 3857 9203 3875 9236 3902 9235 $$ CARNEY
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 8:29 AM CDT | Flash Flood Warning | LSX | Callaway, Montgomery, Warren | 6 hr |
| Aug 22, 2:31 PM CDT | Areal Flood Warning | LSX | Montgomery | 6 hr |
| Aug 22, 5:37 PM CDT | Flash Flood Warning | LSX | Sainte Genevieve, Saint Francois | 6 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.